diff --git a/dev/de b/dev/de new file mode 100755 index 0000000..892db79 --- /dev/null +++ b/dev/de @@ -0,0 +1,2750 @@ +#!/usr/bin/env bash + +#TODO: test if trapquit works on kill (sigterm) + +PROGRAM="osync" # Rsync based two way sync engine with fault tolerance +AUTHOR="(L) 2013-2016 by Orsiris de Jong" +CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr" +PROGRAM_VERSION=1.1-dev +PROGRAM_BUILD=2016021804 +IS_STABLE=no + +## FUNC_BUILD=2016021802 +## BEGIN Generic functions for osync & obackup written in 2013-2016 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr + +## type -p does not work on platforms other than linux (bash). If if does not work, always assume output is not a zero exitcode +if ! type "$BASH" > /dev/null; then + echo "Please run this script only with bash shell. Tested on bash >= 3.2" + exit 127 +fi + +# Environment variables +_DRYRUN=0 +_SILENT=0 + +# Initial error status, logging 'WARN', 'ERROR' or 'CRITICAL' will enable alerts flags +ERROR_ALERT=0 +WARN_ALERT=0 + +## allow function call checks #__WITH_PARANOIA_DEBUG +if [ "$_PARANOIA_DEBUG" == "yes" ];then #__WITH_PARANOIA_DEBUG + _DEBUG=yes #__WITH_PARANOIA_DEBUG +fi #__WITH_PARANOIA_DEBUG + +## allow debugging from command line with _DEBUG=yes +if [ ! "$_DEBUG" == "yes" ]; then + _DEBUG=no + SLEEP_TIME=.1 + _VERBOSE=0 +else + SLEEP_TIME=1 + trap 'TrapError ${LINENO} $?' ERR + _VERBOSE=1 +fi + +SCRIPT_PID=$$ + +LOCAL_USER=$(whoami) +LOCAL_HOST=$(hostname) + +## Default log file until config file is loaded +if [ -w /var/log ]; then + LOG_FILE="/var/log/$PROGRAM.log" +else + LOG_FILE="./$PROGRAM.log" +fi + +## Default directory where to store temporary run files +if [ -w /tmp ]; then + RUN_DIR=/tmp +elif [ -w /var/tmp ]; then + RUN_DIR=/var/tmp +else + RUN_DIR=. +fi + +## Log a state message every $KEEP_LOGGING seconds. Should not be equal to soft or hard execution time so your log will not be unnecessary big. +KEEP_LOGGING=1801 + +## Correct output of sort command (language agnostic sorting) +export LC_ALL=C + +# Standard alert mail body +MAIL_ALERT_MSG="Execution of $PROGRAM instance $INSTANCE_ID on $(date) has warnings/errors." + +# Default alert attachment filename +ALERT_LOG_FILE="$RUN_DIR/$PROGRAM.last.log" + +# Set error exit code if a piped command fails + set -o pipefail + set -o errtrace + + +function Dummy { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + sleep .1 +} + +function _Logger { + local svalue="${1}" # What to log to screen + local lvalue="${2:-$svalue}" # What to log to logfile, defaults to screen value + echo -e "$lvalue" >> "$LOG_FILE" + + if [ $_SILENT -eq 0 ]; then + echo -e "$svalue" + fi +} + +function Logger { + local value="${1}" # Sentence to log (in double quotes) + local level="${2}" # Log level: PARANOIA_DEBUG, DEBUG, NOTICE, WARN, ERROR, CRITIAL + + # Special case in daemon mode we should timestamp instead of counting seconds + if [ "$sync_on_changes" == "1" ]; then + prefix="$(date) - " + else + prefix="TIME: $SECONDS - " + fi + # + + if [ "$level" == "CRITICAL" ]; then + _Logger "$prefix\e[41m$value\e[0m" "$prefix$value" + ERROR_ALERT=1 + return + elif [ "$level" == "ERROR" ]; then + _Logger "$prefix\e[91m$value\e[0m" "$prefix$value" + ERROR_ALERT=1 + return + elif [ "$level" == "WARN" ]; then + _Logger "$prefix\e[93m$value\e[0m" "$prefix$value" + WARN_ALERT=1 + return + elif [ "$level" == "NOTICE" ]; then + _Logger "$prefix$value" + return + elif [ "$level" == "DEBUG" ]; then + if [ "$_DEBUG" == "yes" ]; then + _Logger "$prefix$value" + return + fi + elif [ "$level" == "PARANOIA_DEBUG" ]; then #__WITH_PARANOIA_DEBUG + if [ "$_PARANOIA_DEBUG" == "yes" ]; then #__WITH_PARANOIA_DEBUG + _Logger "$prefix$value" #__WITH_PARANOIA_DEBUG + return #__WITH_PARANOIA_DEBUG + fi #__WITH_PARANOIA_DEBUG + else + _Logger "\e[41mLogger function called without proper loglevel.\e[0m" + _Logger "$prefix$value" + fi +} + +# Portable child (and grandchild) kill function tester under Linux, BSD and MacOS X +function KillChilds { + local pid="${1}" + local self="${2:-false}" + + if children="$(pgrep -P "$pid")"; then + for child in $children; do + KillChilds "$child" true + done + fi + + # Try to kill nicely, if not, wait 30 seconds to let Trap actions happen before killing + if [ "$self" == true ]; then + kill -s SIGTERM "$pid" || (sleep 30 && kill -9 "$pid" &) + fi +} + +function TrapError { + local job="$0" + local line="$1" + local code="${2:-1}" + if [ $_SILENT -eq 0 ]; then + echo -e " /!\ ERROR in ${job}: Near line ${line}, exit code ${code}" + fi +} + +function Spinner { + if [ $_SILENT -eq 1 ]; then + return 0 + fi + + case $toggle + in + 1) + echo -n " \ " + echo -ne "\r" + toggle="2" + ;; + + 2) + echo -n " | " + echo -ne "\r" + toggle="3" + ;; + + 3) + echo -n " / " + echo -ne "\r" + toggle="4" + ;; + + *) + echo -n " - " + echo -ne "\r" + toggle="1" + ;; + esac +} + +function SedStripQuotes { + echo $(echo $1 | sed "s/^\([\"']\)\(.*\)\1\$/\2/g") +} + +function StripSingleQuotes { + local string="${1}" + string="${string/#\'/}" # Remove singlequote if it begins string + string="${string/%\'/}" # Remove singlequote if it ends string + echo "$string" +} + +function StripDoubleQuotes { + local string="${1}" + string="${string/#\"/}" + string="${string/%\"/}" + echo "$string" +} + +function StripQuotes { + local string="${1}" + echo "$(StripSingleQuotes $(StripDoubleQuotes $string))" +} + +function EscapeSpaces { + local string="${1}" # String on which spaces will be escaped + echo "${string// /\ }" +} + +function IsNumeric { + eval "local value=\"${1}\"" # Needed so variable variables can be processed + + local re="^-?[0-9]+([.][0-9]+)?$" + if [[ $value =~ $re ]]; then + echo 1 + else + echo 0 + fi +} + +function CleanUp { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$_DEBUG" != "yes" ]; then + rm -f "$RUN_DIR/$PROGRAM."*".$SCRIPT_PID" + fi +} + +function SendAlert { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local mail_no_attachment= + local attachment_command= + + if [ "$_DEBUG" == "yes" ]; then + Logger "Debug mode, no warning email will be sent." "NOTICE" + return 0 + fi + + # + if [ "$_QUICK_SYNC" == "2" ]; then + Logger "Current task is a quicksync task. Will not send any alert." "NOTICE" + return 0 + fi + # + + eval "cat \"$LOG_FILE\" $COMPRESSION_PROGRAM > $ALERT_LOG_FILE" + if [ $? != 0 ]; then + Logger "Cannot create [$ALERT_LOG_FILE]" "WARN" + mail_no_attachment=1 + else + mail_no_attachment=0 + fi + MAIL_ALERT_MSG="$MAIL_ALERT_MSG"$'\n\n'$(tail -n 50 "$LOG_FILE") + if [ $ERROR_ALERT -eq 1 ]; then + subject="Error alert for $INSTANCE_ID" + elif [ $WARN_ALERT -eq 1 ]; then + subject="Warning alert for $INSTANCE_ID" + else + subject="Alert for $INSTANCE_ID" + fi + + if [ "$mail_no_attachment" -eq 0 ]; then + attachment_command="-a $ALERT_LOG_FILE" + fi + if type mutt > /dev/null 2>&1 ; then + echo "$MAIL_ALERT_MSG" | $(type -p mutt) -x -s "$subject" $DESTINATION_MAILS $attachment_command + if [ $? != 0 ]; then + Logger "WARNING: Cannot send alert email via $(type -p mutt) !!!" "WARN" + else + Logger "Sent alert mail using mutt." "NOTICE" + return 0 + fi + fi + + if type mail > /dev/null 2>&1 ; then + if [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V | grep "GNU" > /dev/null; then + attachment_command="-A $ALERT_LOG_FILE" + elif [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V > /dev/null; then + attachment_command="-a $ALERT_LOG_FILE" + else + attachment_command="" + fi + echo "$MAIL_ALERT_MSG" | $(type -p mail) $attachment_command -s "$subject" $DESTINATION_MAILS + if [ $? != 0 ]; then + Logger "WARNING: Cannot send alert email via $(type -p mail) with attachments !!!" "WARN" + echo "$MAIL_ALERT_MSG" | $(type -p mail) -s "$subject" $DESTINATION_MAILS + if [ $? != 0 ]; then + Logger "WARNING: Cannot send alert email via $(type -p mail) without attachments !!!" "WARN" + else + Logger "Sent alert mail using mail command without attachment." "NOTICE" + return 0 + fi + else + Logger "Sent alert mail using mail command." "NOTICE" + return 0 + fi + fi + + if type sendmail > /dev/null 2>&1 ; then + echo -e "Subject:$subject\r\n$MAIL_ALERT_MSG" | $(type -p sendmail) $DESTINATION_MAILS + if [ $? != 0 ]; then + Logger "WARNING: Cannot send alert email via $(type -p sendmail) !!!" "WARN" + else + Logger "Sent alert mail using sendmail command without attachment." "NOTICE" + return 0 + fi + fi + + if type sendemail > /dev/null 2>&1 ; then + if [ "$SMTP_USER" != "" ] && [ "$SMTP_PASSWORD" != "" ]; then + SMTP_OPTIONS="-xu $SMTP_USER -xp $SMTP_PASSWORD" + else + SMTP_OPTIONS="" + fi + $(type -p sendemail) -f $SENDER_MAIL -t $DESTINATION_MAILS -u "$subject" -m "$MAIL_ALERT_MSG" -s $SMTP_SERVER $SMTP_OPTIONS > /dev/null 2>&1 + if [ $? != 0 ]; then + Logger "WARNING: Cannot send alert email via $(type -p sendemail) !!!" "WARN" + else + Logger "Sent alert mail using sendemail command without attachment." "NOTICE" + return 0 + fi + fi + + # If function has not returned 0 yet, assume it's critical that no alert can be sent + Logger "/!\ CRITICAL: Cannot send alert (neither mutt, mail, sendmail nor sendemail found)." "ERROR" # Is not marked critical because execution must continue + + # Delete tmp log file + if [ -f "$ALERT_LOG_FILE" ]; then + rm "$ALERT_LOG_FILE" + fi +} + +function LoadConfigFile { + local config_file="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + + if [ ! -f "$config_file" ]; then + Logger "Cannot load configuration file [$config_file]. Cannot start." "CRITICAL" + exit 1 + elif [[ "$1" != *".conf" ]]; then + Logger "Wrong configuration file supplied [$config_file]. Cannot start." "CRITICAL" + exit 1 + else + grep '^[^ ]*=[^;&]*' "$config_file" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" # WITHOUT COMMENTS + # Shellcheck source=./sync.conf + source "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" + fi + + CONFIG_FILE="$config_file" +} + +function GetLocalOS { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local local_os_var= + + local_os_var="$(uname -spio 2>&1)" + if [ $? != 0 ]; then + local_os_var="$(uname -v 2>&1)" + if [ $? != 0 ]; then + local_os_var="$(uname)" + fi + fi + + case $local_os_var in + *"Linux"*) + LOCAL_OS="Linux" + ;; + *"BSD"*) + LOCAL_OS="BSD" + ;; + *"MINGW32"*) + LOCAL_OS="msys" + ;; + *"Darwin"*) + LOCAL_OS="MacOSX" + ;; + *) + Logger "Running on >> $local_os_var << not supported. Please report to the author." "ERROR" + exit 1 + ;; + esac + Logger "Local OS: [$local_os_var]." "DEBUG" +} + +function GetRemoteOS { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + local remote_os_var= + + + if [ "$REMOTE_OPERATION" == "yes" ]; then + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + cmd=$SSH_CMD' "uname -spio" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 120 240 ${FUNCNAME[0]}"-1" + retval=$? + if [ $retval != 0 ]; then + cmd=$SSH_CMD' "uname -v" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 120 240 ${FUNCNAME[0]}"-2" + retval=$? + if [ $retval != 0 ]; then + cmd=$SSH_CMD' "uname" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 120 240 ${FUNCNAME[0]}"-3" + retval=$? + if [ $retval != 0 ]; then + Logger "Cannot Get remote OS type." "ERROR" + fi + fi + fi + + remote_os_var=$(cat "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID") + + case $remote_os_var in + *"Linux"*) + REMOTE_OS="Linux" + ;; + *"BSD"*) + REMOTE_OS="BSD" + ;; + *"MINGW32"*) + REMOTE_OS="msys" + ;; + *"Darwin"*) + REMOTE_OS="MacOSX" + ;; + *"ssh"*|*"SSH"*) + Logger "Cannot connect to remote system." "CRITICAL" + exit 1 + ;; + *) + Logger "Running on remote OS failed. Please report to the author if the OS is not supported." "CRITICAL" + Logger "Remote OS said:\n$remote_os_var" "CRITICAL" + exit 1 + esac + + Logger "Remote OS: [$remote_os_var]." "DEBUG" + fi +} + +function WaitForTaskCompletion { + local pid="${1}" # pid to wait for + local soft_max_time="${2}" # If program with pid $pid takes longer than $soft_max_time seconds, will log a warning, unless $soft_max_time equals 0. + local hard_max_time="${3}" # If program with pid $pid takes longer than $hard_max_time seconds, will stop execution, unless $hard_max_time equals 0. + local caller_name="${4}" # Who called this function + Logger "${FUNCNAME[0]} called by [$caller_name]." "PARANOIA_DEBUG" #__WITH_PARANOIA_DEBUG + __CheckArguments 4 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local soft_alert=0 # Does a soft alert need to be triggered, if yes, send an alert once + local log_ttime=0 # local time instance for comparaison + + local seconds_begin=$SECONDS # Seconds since the beginning of the script + local exec_time=0 # Seconds since the beginning of this function + + while eval "$PROCESS_TEST_CMD" > /dev/null + do + Spinner + exec_time=$(($SECONDS - $seconds_begin)) + if [ $((($exec_time + 1) % $KEEP_LOGGING)) -eq 0 ]; then + if [ $log_ttime -ne $exec_time ]; then + log_ttime=$exec_time + Logger "Current task still running." "NOTICE" + fi + fi + if [ $exec_time -gt $soft_max_time ]; then + if [ $soft_alert -eq 0 ] && [ $soft_max_time -ne 0 ]; then + Logger "Max soft execution time exceeded for task." "WARN" + soft_alert=1 + SendAlert + + fi + if [ $exec_time -gt $hard_max_time ] && [ $hard_max_time -ne 0 ]; then + Logger "Max hard execution time exceeded for task. Stopping task execution." "ERROR" + kill -s SIGTERM $pid + if [ $? == 0 ]; then + Logger "Task stopped succesfully" "NOTICE" + else + Logger "Sending SIGTERM to proces failed. Trying the hard way." "ERROR" + sleep 5 && kill -9 $pid + if [ $? != 0 ]; then + Logger "Could not stop task." "ERROR" + fi + fi + return 1 + fi + fi + sleep $SLEEP_TIME + done + wait $pid + local retval=$? + Logger "${FUNCNAME[0]} ended for [$caller_name] with status $retval." "PARANOIA_DEBUG" #__WITH_PARANOIA_DEBUG + return $retval +} + +function WaitForCompletion { + local pid="${1}" # pid to wait for + local soft_max_time="${2}" # If program with pid $pid takes longer than $soft_max_time seconds, will log a warning, unless $soft_max_time equals 0. + local hard_max_time="${3}" # If program with pid $pid takes longer than $hard_max_time seconds, will stop execution, unless $hard_max_time equals 0. + local caller_name="${4}" # Who called this function + Logger "${FUNCNAME[0]} called by [$caller_name]" "PARANOIA_DEBUG" #__WITH_PARANOIA_DEBUG + __CheckArguments 4 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local soft_alert=0 # Does a soft alert need to be triggered, if yes, send an alert once + local log_ttime=0 # local time instance for comparaison + + local seconds_begin=$SECONDS # Seconds since the beginning of the script + local exec_time=0 # Seconds since the beginning of this function + + while eval "$PROCESS_TEST_CMD" > /dev/null + do + Spinner + if [ $((($SECONDS + 1) % $KEEP_LOGGING)) -eq 0 ]; then + if [ $log_time -ne $SECONDS ]; then + log_time=$SECONDS + Logger "Current task still running." "NOTICE" + fi + fi + if [ $SECONDS -gt $soft_max_time ]; then + if [ $soft_alert -eq 0 ] && [ $soft_max_time != 0 ]; then + Logger "Max soft execution time exceeded for script." "WARN" + soft_alert=1 + SendAlert + fi + if [ $SECONDS -gt $hard_max_time ] && [ $hard_max_time != 0 ]; then + Logger "Max hard execution time exceeded for script. Stopping current task execution." "ERROR" + kill -s SIGTERM $pid + if [ $? == 0 ]; then + Logger "Task stopped succesfully" "NOTICE" + else + Logger "Sending SIGTERM to proces failed. Trying the hard way." "ERROR" + kill -9 $pid + if [ $? != 0 ]; then + Logger "Could not stop task." "ERROR" + fi + fi + return 1 + fi + fi + sleep $SLEEP_TIME + done + wait $pid + retval=$? + Logger "${FUNCNAME[0]} ended for [$caller_name] with status $retval." "PARANOIA_DEBUG" #__WITH_PARANOIA_DEBUG + return $retval +} + +function RunLocalCommand { + local command="${1}" # Command to run + local hard_max_time="${2}" # Max time to wait for command to compleet + __CheckArguments 2 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ $_DRYRUN -ne 0 ]; then + Logger "Dryrun: Local command [$command] not run." "NOTICE" + return 0 + fi + + Logger "Running command [$command] on local host." "NOTICE" + eval "$command" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1 & + WaitForTaskCompletion $! 0 $hard_max_time ${FUNCNAME[0]} + retval=$? + if [ $retval -eq 0 ]; then + Logger "Command succeded." "NOTICE" + else + Logger "Command failed." "ERROR" + fi + + if [ $_VERBOSE -eq 1 ] || [ $retval -ne 0 ]; then + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + fi + + if [ "$STOP_ON_CMD_ERROR" == "yes" ] && [ $retval -ne 0 ]; then + Logger "Stopping on command execution error." "CRITICAL" + exit 1 + fi +} + +## Runs remote command $1 and waits for completition in $2 seconds +function RunRemoteCommand { + local command="${1}" # Command to run + local hard_max_time="${2}" # Max time to wait for command to compleet + __CheckArguments 2 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + if [ $_DRYRUN -ne 0 ]; then + Logger "Dryrun: Local command [$command] not run." "NOTICE" + return 0 + fi + + Logger "Running command [$command] on remote host." "NOTICE" + cmd=$SSH_CMD' "$command" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 0 $hard_max_time ${FUNCNAME[0]} + retval=$? + if [ $retval -eq 0 ]; then + Logger "Command succeded." "NOTICE" + else + Logger "Command failed." "ERROR" + fi + + if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ] && ([ $_VERBOSE -eq 1 ] || [ $retval -ne 0 ]) + then + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + fi + + if [ "$STOP_ON_CMD_ERROR" == "yes" ] && [ $retval -ne 0 ]; then + Logger "Stopping on command execution error." "CRITICAL" + exit 1 + fi +} + +function RunBeforeHook { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$LOCAL_RUN_BEFORE_CMD" != "" ]; then + RunLocalCommand "$LOCAL_RUN_BEFORE_CMD" $MAX_EXEC_TIME_PER_CMD_BEFORE + fi + + if [ "$REMOTE_RUN_BEFORE_CMD" != "" ]; then + RunRemoteCommand "$REMOTE_RUN_BEFORE_CMD" $MAX_EXEC_TIME_PER_CMD_BEFORE + fi +} + +function RunAfterHook { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$LOCAL_RUN_AFTER_CMD" != "" ]; then + RunLocalCommand "$LOCAL_RUN_AFTER_CMD" $MAX_EXEC_TIME_PER_CMD_AFTER + fi + + if [ "$REMOTE_RUN_AFTER_CMD" != "" ]; then + RunRemoteCommand "$REMOTE_RUN_AFTER_CMD" $MAX_EXEC_TIME_PER_CMD_AFTER + fi +} + +function CheckConnectivityRemoteHost { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$_PARANOIA_DEBUG" != "yes" ]; then # Do not loose time in paranoia debug + + if [ "$REMOTE_HOST_PING" != "no" ] && [ "$REMOTE_OPERATION" != "no" ]; then + eval "$PING_CMD $REMOTE_HOST > /dev/null 2>&1" & + WaitForTaskCompletion $! 180 180 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Cannot ping $REMOTE_HOST" "CRITICAL" + return 1 + fi + fi + fi +} + +function CheckConnectivity3rdPartyHosts { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$_PARANOIA_DEBUG" != "yes" ]; then # Do not loose time in paranoia debug + + if [ "$REMOTE_3RD_PARTY_HOSTS" != "" ]; then + remote_3rd_party_success=0 + OLD_IFS=$IFS + IFS=$' \t\n' + for i in $REMOTE_3RD_PARTY_HOSTS + do + eval "$PING_CMD $i > /dev/null 2>&1" & + WaitForTaskCompletion $! 360 360 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Cannot ping 3rd party host $i" "WARN" + else + remote_3rd_party_success=1 + fi + done + IFS=$OLD_IFS + if [ $remote_3rd_party_success -ne 1 ]; then + Logger "No remote 3rd party host responded to ping. No internet ?" "CRITICAL" + return 1 + fi + fi + fi +} + +#__BEGIN_WITH_PARANOIA_DEBUG +function __CheckArguments { + # Checks the number of arguments of a function and raises an error if some are missing + + if [ "$_DEBUG" == "yes" ]; then + local number_of_arguments="${1}" # Number of arguments the tested function should have + local number_of_given_arguments="${2}" # Number of arguments that have been passed + local function_name="${3}" # Function name that called __CheckArguments + + if [ "$_PARANOIA_DEBUG" == "yes" ]; then + Logger "Entering function [$function_name]." "DEBUG" + fi + + # All arguments of the function to check are passed as array in ${4} (the function call waits for $@) + # If any of the arguments contains spaces, bash things there are two aguments + # In order to avoid this, we need to iterate over ${4} and count + + local iterate=4 + local fetch_arguments=1 + local arg_list="" + while [ $fetch_arguments -eq 1 ]; do + cmd='argument=${'$iterate'}' + eval $cmd + if [ "$argument" = "" ]; then + fetch_arguments=0 + else + arg_list="$arg_list [Argument $(($iterate-3)): $argument]" + iterate=$(($iterate+1)) + fi + done + local counted_arguments=$((iterate-4)) + + if [ $counted_arguments -ne $number_of_arguments ]; then + Logger "Function $function_name may have inconsistent number of arguments. Expected: $number_of_arguments, count: $counted_arguments, see log file." "ERROR" + Logger "Arguments passed: $arg_list" "ERROR" + fi + fi +} + + +function old__CheckArguments { + # Checks the number of arguments and raises an error if some are missing + if [ "$_DEBUG" == "yes" ]; then + + local number_of_arguments="${1}" # Number of arguments a function should have + local number_of_given_arguments="${2}" # Number of arguments that have been passed + local function_name="${3}" # Function name that called __CheckArguments + local arguments="${4}" # All other arguments + + if [ "$_PARANOIA_DEBUG" == "yes" ]; then + Logger "Entering function [$function_name]." "DEBUG" + + # Paranoia check... Can help finding empty arguments. __CheckArguments should be grepped out in production builds. + local count=-3 # Number of arguments minus the function calls for __CheckArguments + for i in $@; do + count=$((count + 1)) + done + if [ $count -ne $1 ]; then + Logger "Function $function_name may have inconsistent number of arguments. Expected: $number_of_arguments, count: $count, see log file." "WARN" + echo "Argument list (including checks): $*" >> "$LOG_FILE" + fi + fi + + if [ $number_of_arguments -ne $number_of_given_arguments ]; then + Logger "Inconsistnent number of arguments in $function_name. Should have $number_of_arguments arguments, has $number_of_given_arguments arguments, see log file." "CRITICAL" + # Cannot user Logger here because $@ is a list of arguments + echo "Argumnt list: $4" >> "$LOG_FILE" + fi + + fi +} +#__END_WITH_PARANOIA_DEBUG + +function PreInit { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + ## SSH compression + if [ "$SSH_COMPRESSION" != "no" ]; then + SSH_COMP=-C + else + SSH_COMP= + fi + + ## Support for older config files without RSYNC_EXECUTABLE option + if [ "$RSYNC_EXECUTABLE" == "" ]; then + RSYNC_EXECUTABLE=rsync + fi + + ## Sudo execution option + if [ "$SUDO_EXEC" == "yes" ]; then + if [ "$RSYNC_REMOTE_PATH" != "" ]; then + RSYNC_PATH="sudo $RSYNC_REMOTE_PATH/$RSYNC_EXECUTABLE" + else + RSYNC_PATH="sudo $RSYNC_EXECUTABLE" + fi + COMMAND_SUDO="sudo" + else + if [ "$RSYNC_REMOTE_PATH" != "" ]; then + RSYNC_PATH="$RSYNC_REMOTE_PATH/$RSYNC_EXECUTABLE" + else + RSYNC_PATH="$RSYNC_EXECUTABLE" + fi + COMMAND_SUDO="" + fi + + ## Set rsync default arguments + RSYNC_ARGS="-rltD" + RSYNC_ATTR_ARGS="-pgo" + + if [ "$PRESERVE_ACL" == "yes" ]; then + RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -A" + fi + if [ "$PRESERVE_XATTR" == "yes" ]; then + RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -X" + fi + if [ "$RSYNC_COMPRESS" == "yes" ]; then + RSYNC_ARGS=$RSYNC_ARGS" -z" + fi + if [ "$COPY_SYMLINKS" == "yes" ]; then + RSYNC_ARGS=$RSYNC_ARGS" -L" + fi + if [ "$KEEP_DIRLINKS" == "yes" ]; then + RSYNC_ARGS=$RSYNC_ARGS" -K" + fi + if [ "$PRESERVE_HARDLINKS" == "yes" ]; then + RSYNC_ARGS=$RSYNC_ARGS" -H" + fi + if [ "$CHECKSUM" == "yes" ]; then + RSYNC_TYPE_ARGS=$RSYNC_TYPE_ARGS" --checksum" + fi + if [ $_DRYRUN -eq 1 ]; then + RSYNC_ARGS=$RSYNC_ARGS" -n" + DRY_WARNING="/!\ DRY RUN" + fi + if [ "$BANDWIDTH" != "" ] && [ "$BANDWIDTH" != "0" ]; then + RSYNC_ARGS=$RSYNC_ARGS" --bwlimit=$BANDWIDTH" + fi + + if [ "$PARTIAL" == "yes" ]; then + RSYNC_ARGS=$RSYNC_ARGS" --partial --partial-dir=\"$PARTIAL_DIR\"" + RSYNC_PARTIAL_EXCLUDE="--exclude=\"$PARTIAL_DIR\"" + fi + + if [ "$DELTA_COPIES" != "no" ]; then + RSYNC_ARGS=$RSYNC_ARGS" --no-whole-file" + else + RSYNC_ARGS=$RSYNC_ARGS" --whole-file" + fi + + ## Set compression executable and extension + COMPRESSION_LEVEL=3 + if type xz > /dev/null 2>&1 + then + COMPRESSION_PROGRAM="| xz -$COMPRESSION_LEVEL" + COMPRESSION_EXTENSION=.xz + elif type lzma > /dev/null 2>&1 + then + COMPRESSION_PROGRAM="| lzma -$COMPRESSION_LEVEL" + COMPRESSION_EXTENSION=.lzma + elif type pigz > /dev/null 2>&1 + then + COMPRESSION_PROGRAM="| pigz -$COMPRESSION_LEVEL" + COMPRESSION_EXTENSION=.gz + # obackup specific + COMPRESSION_OPTIONS=--rsyncable + elif type gzip > /dev/null 2>&1 + then + COMPRESSION_PROGRAM="| gzip -$COMPRESSION_LEVEL" + COMPRESSION_EXTENSION=.gz + # obackup specific + COMPRESSION_OPTIONS=--rsyncable + else + COMPRESSION_PROGRAM= + COMPRESSION_EXTENSION= + fi + ALERT_LOG_FILE="$ALERT_LOG_FILE$COMPRESSION_EXTENSION" +} + +function PostInit { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + # Define remote commands + SSH_CMD="$(type -p ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT" + SCP_CMD="$(type -p scp) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY -P $REMOTE_PORT" + RSYNC_SSH_CMD="$(type -p ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY -p $REMOTE_PORT" +} + +function InitLocalOSSettings { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + ## If running under Msys, some commands do not run the same way + ## Using mingw version of find instead of windows one + ## Getting running processes is quite different + ## Ping command is not the same + if [ "$LOCAL_OS" == "msys" ]; then + FIND_CMD=$(dirname $BASH)/find + #TODO: The following command needs to be checked on msys. Does the $1 variable substitution work ? + # PROCESS_TEST_CMD assumes there is a variable $pid + PROCESS_TEST_CMD='ps -a | awk "{\$1=\$1}\$1" | awk "{print \$1}" | grep $pid' + PING_CMD="ping -n 2" + else + FIND_CMD=find + # PROCESS_TEST_CMD assumes there is a variable $pid + PROCESS_TEST_CMD='ps -p$pid' + PING_CMD="ping -c 2 -i .2" + fi + + ## Stat command has different syntax on Linux and FreeBSD/MacOSX + if [ "$LOCAL_OS" == "MacOSX" ] || [ "$LOCAL_OS" == "BSD" ]; then + STAT_CMD="stat -f \"%Sm\"" + else + STAT_CMD="stat --format %y" + fi +} + +function InitRemoteOSSettings { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + ## MacOSX does not use the -E parameter like Linux or BSD does (-E is mapped to extended attrs instead of preserve executability) + if [ "$LOCAL_OS" != "MacOSX" ] && [ "$REMOTE_OS" != "MacOSX" ]; then + RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -E" + fi + + if [ "$REMOTE_OS" == "msys" ]; then + REMOTE_FIND_CMD=$(dirname $BASH)/find + else + REMOTE_FIND_CMD=find + fi +} + +## END Generic functions + +## Working directory. This directory exists in any replica and contains state files, backups, soft deleted files etc +OSYNC_DIR=".osync_workdir" + +function TrapStop { + if [ $soft_stop -eq 0 ]; then + Logger " /!\ WARNING: Manual exit of osync is really not recommended. Sync will be in inconsistent state." "WARN" + Logger " /!\ WARNING: If you are sure, please hit CTRL+C another time to quit." "WARN" + soft_stop=1 + return 1 + fi + + if [ $soft_stop -eq 1 ]; then + Logger " /!\ WARNING: CTRL+C hit twice. Exiting osync. Please wait while replicas get unlocked..." "WARN" + soft_stop=2 + exit 1 + fi +} + +function TrapQuit { + if [ $ERROR_ALERT -ne 0 ]; then + UnlockReplicas + if [ "$_DEBUG" != "yes" ] + then + SendAlert + else + Logger "Debug mode, no alert mail will be sent." "NOTICE" + fi + CleanUp + Logger "$PROGRAM finished with errors." "ERROR" + exitcode=1 + elif [ $WARN_ALERT -ne 0 ]; then + UnlockReplicas + if [ "$_DEBUG" != "yes" ] + then + SendAlert + else + Logger "Debug mode, no alert mail will be sent." "NOTICE" + fi + CleanUp + Logger "$PROGRAM finished with warnings." "WARN" + exitcode=2 + else + UnlockReplicas + CleanUp + Logger "$PROGRAM finished." "NOTICE" + exitcode=0 + fi + +#TODO: Check new KillChilds function for service mode + +# if ps -p $OSYNC_SUB_PID > /dev/null 2>&1 +# then +# kill -s SIGTERM $OSYNC_SUB_PID +# if [ $? == 0 ]; then +# Logger "Stopped sub process [$OSYNC_SUB_PID]." "DEBUG" +# else +# Logger "Could not terminate sub process [$OSYNC_SUB_PID]. Trying the hard way." "DEBUG" +# kill -9 $OSYNC_SUB_PID +# if [ $? != 0 ]; then +# Logger "Could not kill sub process [$OSYNC_SUB_PID]." "ERROR" +# fi +# fi +# fi + + KillChilds $$ > /dev/null 2>&1 + + exit $exitcode +} + +function CheckEnvironment { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$REMOTE_OPERATION" == "yes" ]; then + if ! type ssh > /dev/null 2>&1 ; then + Logger "ssh not present. Cannot start sync." "CRITICAL" + exit 1 + fi + fi + + if ! type rsync > /dev/null 2>&1 ; then + Logger "rsync not present. Sync cannot start." "CRITICAL" + exit 1 + fi +} + +function CheckCurrentConfig { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$INSTANCE_ID" == "" ]; then + Logger "No INSTANCE_ID defined in config file." "CRITICAL" + exit 1 + fi + + if [ "$INITIATOR_SYNC_DIR" == "" ]; then + Logger "No INITIATOR_SYNC_DIR set in config file." "CRITICAL" + exit 1 + fi + + if [ "$TARGET_SYNC_DIR" == "" ]; then + Logger "Not TARGET_SYNC_DIR set in config file." "CRITICAL" + exit 1 + fi + + # Check all variables that should contain "yes" or "no" + declare -a yes_no_vars=(CREATE_DIRS SUDO_EXEC SSH_COMPRESSION REMOTE_HOST_PING PRESERVE_ACL PRESERVE_XATTR COPY_SYMLINKS KEEP_DIRLINKS PRESERVE_HARDLINKS CHECKSUM RSYNC_COMPRESS CONFLICT_BACKUP CONFLICT_BACKUP_MULTIPLE SOFT_DELETE RESUME_SYNC FORCE_STRANGER_LOCK_RESUME PARTIAL DELTA_COPIES STOP_ON_CMD_ERROR) + for i in "${yes_no_vars[@]}"; do + test="if [ \"\$$i\" != \"yes\" ] && [ \"\$$i\" != \"no\" ]; then Logger \"Bogus $i value defined in config file.\" \"CRITICAL\"; exit 1; fi" + eval "$test" + done + + # Check all variables that should contain a numerical value >= 0 + declare -a num_vars=(MINIMUM_SPACE BANDWIDTH SOFT_MAX_EXEC_TIME HARD_MAX_EXEC_TIME MIN_WAIT MAX_WAIT CONFLICT_BACKUP_DAYS SOFT_DELETE_DAYS RESUME_TRY) + for i in "${num_vars[@]}"; do + test="if [ $(IsNumeric \"\$$i\") -eq 0 ]; then Logger \"Bogus $i value defined in config file.\" \"CRITICAL\"; exit 1; fi" + eval "$test" + done + + #TODO-v2.1: Add runtime variable tests (RSYNC_ARGS etc) +} + +###### Osync specific functions (non shared) + +function _CreateStateDirsLocal { + local replica_state_dir="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if ! [ -d "$replica_state_dir" ]; then + $COMMAND_SUDO mkdir -p "$replica_state_dir" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1 + if [ $? != 0 ]; then + Logger "Cannot create state dir [$replica_state_dir]." "CRITICAL" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR" + exit 1 + fi + fi +} + +function _CreateStateDirsRemote { + local replica_state_dir="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + cmd=$SSH_CMD' "if ! [ -d \"'$replica_state_dir'\" ]; then '$COMMAND_SUDO' mkdir -p \"'$replica_state_dir'\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Cannot create remote state dir [$replica_state_dir]." "CRITICAL" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR" + exit 1 + fi +} + +function CreateStateDirs { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + _CreateStateDirsLocal "${INITIATOR[1]}${INITIATOR[3]}" + if [ "$REMOTE_OPERATION" != "yes" ]; then + _CreateStateDirsLocal "${TARGET[1]}${TARGET[3]}" + else + _CreateStateDirsRemote "${TARGET[1]}${TARGET[3]}" + fi +} + +function _CheckReplicaPathsLocal { + local replica_path="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ ! -d "$replica_path" ]; then + if [ "$CREATE_DIRS" == "yes" ]; then + $COMMAND_SUDO mkdir -p "$replica_path" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1 + if [ $? != 0 ]; then + Logger "Cannot create local replica path [$replica_path]." "CRITICAL" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" + exit 1 + else + Logger "Created local replica path [$replica_path]." "NOTICE" + fi + else + Logger "Local replica path [$replica_path] does not exist." "CRITICAL" + exit 1 + fi + fi + + if [ ! -w "$replica_path" ]; then + Logger "Local replica path [$replica_path] is not writable." "CRITICAL" + exit 1 + fi +} + +function _CheckReplicaPathsRemote { + local replica_path="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + cmd=$SSH_CMD' "if ! [ -d \"'$replica_path'\" ]; then if [ \"'$CREATE_DIRS'\" == \"yes\" ]; then '$COMMAND_SUDO' mkdir -p \"'$replica_path'\"; fi; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Cannot create remote replica path [$replica_path]." "CRITICAL" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR" + exit 1 + fi + + cmd=$SSH_CMD' "if [ ! -w \"'$replica_path'\" ];then exit 1; fi" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Remote replica path [$replica_path] is not writable." "CRITICAL" + exit 1 + fi +} + +function CheckReplicaPaths { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + #INITIATOR_SYNC_DIR_CANN=$(realpath "$INITIATOR_SYNC_DIR") #TODO: investigate realpath & readlink issues on MSYS and busybox here + #TARGET_SYNC_DIR_CANN=$(realpath "$TARGET_SYNC_DIR") #TODO2: replace all variables with INITIATOR object + + #if [ "$REMOTE_OPERATION" != "yes" ]; then + # if [ "$INITIATOR_SYNC_DIR_CANN" == "$TARGET_SYNC_DIR_CANN" ]; then + # Logger "Master directory [$INITIATOR_SYNC_DIR] cannot be the same as target directory." "CRITICAL" + # exit 1 + # fi + #fi + + _CheckReplicaPathsLocal "${INITIATOR[1]}" + if [ "$REMOTE_OPERATION" != "yes" ]; then + _CheckReplicaPathsLocal "${TARGET[1]}" + else + _CheckReplicaPathsRemote "${TARGET[1]}" + fi +} + +function _CheckDiskSpaceLocal { + local replica_path="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local disk_space= + + Logger "Checking minimum disk space in [$replica_path]." "NOTICE" + + disk_space=$(df -P "$replica_path" | tail -1 | awk '{print $4}') + if [ $disk_space -lt $MINIMUM_SPACE ]; then + Logger "There is not enough free space on replica [$replica_path] ($disk_space KB)." "WARN" + fi +} + +function _CheckDiskSpaceRemote { + local replica_path="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + Logger "Checking minimum disk space on target [$replica_path]." "NOTICE" + + local cmd= + local disk_space= + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + cmd=$SSH_CMD' "'$COMMAND_SUDO' df -P \"'$replica_path'\"" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Cannot get free space on target [$replica_path]." "ERROR" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + else + disk_space=$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID | tail -1 | awk '{print $4}') + if [ $disk_space -lt $MINIMUM_SPACE ]; then + Logger "There is not enough free space on replica [$replica_path] ($disk_space KB)." "WARN" + fi + fi +} + +function CheckDiskSpace { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + _CheckDiskSpaceLocal "${INITIATOR[1]}" + if [ "$REMOTE_OPERATION" != "yes" ]; then + _CheckDiskSpaceLocal "${TARGET[1]}" + else + _CheckDiskSpaceRemote "${TARGET[1]}" + fi +} + +function RsyncPatternsAdd { + local pattern="${1}" + local pattern_type="${2}" # exclude or include + __CheckArguments 2 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local rest= + + # Disable globbing so wildcards from exclusions do not get expanded + set -f + rest="$pattern" + while [ -n "$rest" ] + do + # Take the string until first occurence until $PATH_SEPARATOR_CHAR + str=${rest%%;*} + # Handle the last case + if [ "$rest" = "${rest/$PATH_SEPARATOR_CHAR/}" ]; then + rest= + else + # Cut everything before the first occurence of $PATH_SEPARATOR_CHAR + rest=${rest#*$PATH_SEPARATOR_CHAR} + fi + if [ "$RSYNC_PATTERNS" == "" ]; then + RSYNC_PATTERNS="--"$pattern_type"=\"$str\"" + else + RSYNC_PATTERNS="$RSYNC_PATTERNS --"$pattern_type"=\"$str\"" + fi + done + set +f +} + +function RsyncPatternsFromAdd { + local pattern_from="${1}" + local pattern_type="${2}" + __CheckArguments 2 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local pattern_from= + + ## Check if the exclude list has a full path, and if not, add the config file path if there is one + if [ "$(basename $pattern_from)" == "$pattern_from" ]; then + pattern_from="$(dirname $CONFIG_FILE)/$pattern_from" + fi + + if [ -e "$pattern_from" ]; then + RSYNC_PATTERNS="$RSYNC_PATTERNS --"$pattern_type"-from=\"$pattern_from\"" + fi +} + +function RsyncPatterns { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$RSYNC_PATTERN_FIRST" == "exclude" ]; then + RsyncPatternsAdd "$RSYNC_EXCLUDE_PATTERN" "exclude" + if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then + RsyncPatternsFromAdd "$RSYNC_EXCLUDE_FROM" "exclude" + fi + RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include" + if [ "$RSYNC_INCLUDE_FROM" != "" ]; then + RsyncPatternsFromAdd "$RSYNC_INCLUDE_FROM" "include" + fi + elif [ "$RSYNC_PATTERN_FIRST" == "include" ]; then + RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include" + if [ "$RSYNC_INCLUDE_FROM" != "" ]; then + RsyncPatternsFromAdd "$RSYNC_INCLUDE_FROM" "include" + fi + RsyncPatternsAdd "$RSYNC_EXCLUDE_PATTERN" "exclude" + if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then + RsyncPatternsFromAdd "$RSYNC_EXCLUDE_FROM" "exclude" + fi + else + Logger "Bogus RSYNC_PATTERN_FIRST value in config file. Will not use rsync patterns." "WARN" + fi +} + +function _WriteLockFilesLocal { + local lockfile="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + $COMMAND_SUDO echo "$SCRIPT_PID@$INSTANCE_ID" > "$lockfile" #TODO: Determine best format for lockfile for v2 + if [ $? != 0 ]; then + Logger "Could not create lock file [$lockfile]." "CRITICAL" + exit 1 + else + Logger "Locked replica on [$lockfile]." "DEBUG" + fi +} + +function _WriteLockFilesRemote { + local lockfile="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + cmd=$SSH_CMD' "echo '$SCRIPT_PID@$INSTANCE_ID' | '$COMMAND_SUDO' tee \"'$lockfile'\"" > /dev/null 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Could not set lock on remote target replica." "CRITICAL" + exit 1 + else + Logger "Locked remote target replica." "DEBUG" + fi +} + +function WriteLockFiles { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + _WriteLockFilesLocal "${INITIATOR[2]}" + if [ "$REMOTE_OPERATION" != "yes" ]; then + _WriteLockFilesLocal "${TARGET[2]}" + else + _WriteLockFilesRemote "${TARGET[2]}" + fi +} + +function _CheckLocksLocal { + local lockfile="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local lockfile_content= + local lock_pid= + local lock_instance_id= + + if [ -f "$lockfile" ]; then + lockfile_content=$(cat $lockfile) + Logger "Master lock pid present: $lockfile_content" "DEBUG" + lock_pid=${lockfile_content%@*} + lock_instance_id=${lockfile_content#*@} + ps -p$lock_pid > /dev/null 2>&1 + if [ $? != 0 ]; then + Logger "There is a dead osync lock in [$lockfile]. Instance [$lock_pid] no longer running. Resuming." "NOTICE" + else + Logger "There is already a local instance of osync running [$lock_pid]. Cannot start." "CRITICAL" + exit 1 + fi + fi +} + +function _CheckLocksRemote { #TODO: Rewrite this a bit more beautiful + local lockfile="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + local lock_pid= + local lock_instance_id= + local lockfile_content= + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + cmd=$SSH_CMD' "if [ -f \"'$lockfile'\" ]; then cat \"'$lockfile'\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'"' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]} + if [ $? != 0 ]; then + if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then + lockfile_content=$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID) + else + Logger "Cannot get remote lockfile." "CRITICAL" + exit 1 + fi + fi + + lock_pid=${lockfile_content%@*} + lock_instance_id=${lockfile_content#*@} + + if [ "$lock_pid" != "" ] && [ "$lock_instance_id" != "" ]; then + Logger "Remote lock is: $lock_pid@$lock_instance_id" "DEBUG" + + ps -p$lock_pid > /dev/null 2>&1 + if [ $? != 0 ]; then + if [ "$lock_instance_id" == "$INSTANCE_ID" ]; then + Logger "There is a dead osync lock on target replica that corresponds to this initiator sync id [$lock_instance_id]. Instance [$lock_pid] no longer running. Resuming." "NOTICE" + else + if [ "$FORCE_STRANGER_LOCK_RESUME" == "yes" ]; then + Logger "WARNING: There is a dead osync lock on target replica that does not correspond to this initiator sync-id [$lock_instance_id]. Forcing resume." "WARN" + else + Logger "There is a dead osync lock on target replica that does not correspond to this initiator sync-id [$lock_instance_id]. Will not resume." "CRITICAL" + exit 1 + fi + fi + else + Logger "There is already a local instance of osync that locks target replica [$lock_pid@$lock_instance_id]. Cannot start." "CRITICAL" + exit 1 + fi + fi +} + +function CheckLocks { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ $_NOLOCKS -eq 1 ]; then + return 0 + fi + + # Do not bother checking for locks when FORCE_UNLOCK is set + if [ $FORCE_UNLOCK -eq 1 ]; then + WriteLockFiles + if [ $? != 0 ]; then + exit 1 + fi + fi + _CheckLocksLocal "${INITIATOR[2]}" + if [ "$REMOTE_OPERATION" != "yes" ]; then + _CheckLocksLocal "${TARGET[2]}" + else + _CheckLocksRemote "${TARGET{2]}" + fi + + WriteLockFiles +} + +function _UnlockReplicasLocal { + local lockfile="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ -f "$lockfile" ]; then + $COMMAND_SUDO rm "$lockfile" + if [ $? != 0 ]; then + Logger "Could not unlock local replica." "ERROR" + else + Logger "Removed local replica lock." "DEBUG" + fi + fi +} + +function _UnlockReplicasRemote { + local lockfile="${1}" + __CheckArguments 1 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + cmd=$SSH_CMD' "if [ -f \"'$lockfile'\" ]; then '$COMMAND_SUDO' rm -f \"'$lockfile'\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Could not unlock remote replica." "ERROR" + Logger "Command Output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + else + Logger "Removed remote replica lock." "DEBUG" + fi +} + +function UnlockReplicas { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ $_NOLOCKS -eq 1 ]; then + return 0 + fi + + _UnlockReplicasLocal "${INITIATOR[2]}" + if [ "$REMOTE_OPERATION" != "yes" ]; then + _UnlockReplicasLocal "${TARGET[2]}" + else + _UnlockReplicasRemote "${TARGET[2]}" + fi +} + +###### Sync core functions + + ## Rsync does not like spaces in directory names, considering it as two different directories. Handling this schema by escaping space. + ## It seems this only happens when trying to execute an rsync command through weval $rsync_cmd on a remote host. + ## So I am using unescaped $INITIATOR_SYNC_DIR for local rsync calls and escaped $ESC_INITIATOR_SYNC_DIR for remote rsync calls like user@host:$ESC_INITIATOR_SYNC_DIR + ## The same applies for target sync dir..............................................T.H.I.S..I.S..A..P.R.O.G.R.A.M.M.I.N.G..N.I.G.H.T.M.A.R.E + +function tree_list { + local replica_path="${1}" # path to the replica for which a tree needs to be constructed + local replica_type="${2}" # replica type: initiator, target + local tree_filename="${3}" # filename to output tree (will be prefixed with $replica_type) + + local escaped_replica_path= + local rsync_cmd= + + __CheckArguments 3 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + escaped_replica_path=$(EscapeSpaces "$replica_path") + + Logger "Creating $replica_type replica file list [$replica_path]." "NOTICE" + if [ "$REMOTE_OPERATION" == "yes" ] && [ "$replica_type" == "target" ]; then + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS -8 --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE -e \"$RSYNC_SSH_CMD\" --list-only $REMOTE_USER@$REMOTE_HOST:\"$escaped_replica_path/\" | grep \"^-\|^d\" | awk '{\$1=\$2=\$3=\$4=\"\" ;print}' | awk '{\$1=\$1 ;print}' | (grep -v \"^\.$\" || :) | sort > \"$RUN_DIR/$PROGRAM.$replica_type.$SCRIPT_PID\" &" + else + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS -8 --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --list-only \"$replica_path/\" | grep \"^-\|^d\" | awk '{\$1=\$2=\$3=\$4=\"\" ;print}' | awk '{\$1=\$1 ;print}' | (grep -v \"^\.$\" || :) | sort > \"$RUN_DIR/$PROGRAM.$replica_type.$SCRIPT_PID\" &" + fi + Logger "RSYNC_CMD: $rsync_cmd" "DEBUG" + ## Redirect commands stderr here to get rsync stderr output in logfile + eval "$rsync_cmd" 2>> "$LOG_FILE" + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + ## Retval 24 = some files vanished while creating list + if ([ $retval == 0 ] || [ $retval == 24 ]) && [ -f "$RUN_DIR/$PROGRAM.$replica_type.$SCRIPT_PID" ]; then + mv -f "$RUN_DIR/$PROGRAM.$replica_type.$SCRIPT_PID" "${INITIATOR[1]}${INITIATOR[3]}/$replica_type$tree_filename" + return $? + else + Logger "Cannot create replica file list." "CRITICAL" + exit $retval + fi +} + +# delete_list(replica, tree-file-after, tree-file-current, deleted-list-file, deleted-failed-list-file): Creates a list of files vanished from last run on replica $1 (initiator/target) +function delete_list { + local replica_type="${1}" # replica type: initiator, target + local tree_file_after="${2}" # tree-file-after, will be prefixed with replica type #TODO: use this + local tree_file_current="${3}" # tree-file-current, will be prefixed with replica type + local deleted_list_file="${4}" # file containing deleted file list, will be prefixed with replica type + local deleted_failed_list_file="${5}" # file containing files that could not be deleted on last run, will be prefixed with replica type + __CheckArguments 5 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + + # TODO: Check why external filenames are used (see _DRYRUN option because of NOSUFFIX) + + Logger "Creating $replica_type replica deleted file list." "NOTICE" + if [ -f "${INITIATOR[1]}${INITIATOR[3]}/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX" ]; then + ## Same functionnality, comm is much faster than grep but is not available on every platform + if type comm > /dev/null 2>&1 ; then + cmd="comm -23 \"${INITIATOR[1]}${INITIATOR[3]}/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" \"${INITIATOR[1]}${INITIATOR[3]}/$replica_type$tree_file_current\" > \"${INITIATOR[1]}${INITIATOR[3]}/$replica_type$deleted_list_file\"" + else + ## The || : forces the command to have a good result + cmd="(grep -F -x -v -f \"${INITIATOR[1]}${INITIATOR[3]}/$replica_type$tree_file_current\" \"${INITIATOR[1]}${INITIATOR[3]}/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" || :) > \"${INITIATOR[1]}${INITIATOR[3]}/$replica_type$deleted_list_file\"" + fi + + Logger "CMD: $cmd" "DEBUG" + eval "$cmd" 2>> "$LOG_FILE" + retval=$? + + # Add delete failed file list to current delete list and then empty it + if [ -f "${INITIATOR[1]}${INITIATOR[3]}/$replica_type$deleted_failed_list_file" ]; then + cat "${INITIATOR[1]}${INITIATOR[3]}/$replica_type$deleted_failed_list_file" >> "${INITIATOR[1]}${INITIATOR[3]}/$replica_type$deleted_list_file" + rm -f "${INITIATOR[1]}${INITIATOR[3]}/$replica_type$deleted_failed_list_file" + fi + + return $retval + else + touch "${INITIATOR[1]}${INITIATOR[3]}/$replica_type$deleted_list_file" + return $retval + fi +} + +function _get_file_ctime_mtime_local { + local replica_path="${1}" # Contains replica path + local replica_type="${2}" # Initiator / Target + local file_list="${3}" # Contains list of files to get time attrs + __CheckArguments 3 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + cat "$file_list" | xargs -I {} stat -c '%n|%Z|%Y' "$replica_path{}" | sort > "$RUN_DIR/$PROGRAM.ctime_mtime.$replica_type.$SCRIPT_PID" +} + +function _get_file_ctime_mtime_remote { + local replica_path="${1}" # Contains replica path + local replica_type="${2}" + local file_list="${3}" + __CheckArguments 3 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + + cmd='cat "'$file_list'" | '$SSH_CMD' xargs -I "'$replica_path'"{} stat -c "%n|%Z|%Y" "{}" | sort > "'$RUN_DIR/$PROGRAM.ctime_mtime.$replica_type.$SCRIPT_PID'"' + Logger "CMD: $cmd" "DEBUG" + eval "$cmd" + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + if [ $? != 0 ]; then + Logger "Getting file attributes failed [$retval] on $replica_type. Stopping execution." "CRITICAL" + if [ $_VERBOSE -eq 0 ] && [ -f "$RUN_DIR/$PROGRAM.ctime_mtime.$replica_type.$SCRIPT_PID" ]; then + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.ctime_mtime.$replica_type.$SCRIPT_PID)" "NOTICE" + fi + exit 1 + fi +} + +# rsync does sync with mtime, but file attribute modifications only change ctime. +# Hence, detect newer ctime on the replica that gets updated first with CONFLICT_PREVALANCE and update all newer file attributes on this replica before real update +function sync_attrs { + local initiator_replica="${1}" + local target_replica="${2}" + __CheckArguments 2 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local rsync_cmd= + local retval= + + Logger "Getting file attributes." "NOTICE" + + if [ "$REMOTE_OPERATION" == "yes" ]; then + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" -i $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_PARTIAL_EXCLUDE -e \"$RSYNC_SSH_CMD\" --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE \"$initiator_replica\" $REMOTE_USER@$REMOTE_HOST:\"$target_replica\" > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1 &" + else + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" -i $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_PARTIAL_EXCLUDE --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE \"$initiator_replica\" \"$target_replica\" > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1 &" + fi + Logger "RSYNC_CMD: $rsync_cmd" "DEBUG" + eval "$rsync_cmd" + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + if [ $_VERBOSE -eq 1 ] && [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then + Logger "List:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + fi + + if [ $retval != 0 ] && [ $retval != 24 ]; then + Logger "Getting file list for attribute sync failed [$retval]. Stopping execution." "CRITICAL" + if [ $_VERBOSE -eq 0 ] && [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then + Logger "Rsync output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + fi + exit $retval + else + cat "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" | ( grep -Ev "^[^ ]*(c|s|t)[^ ]* " || :) | ( grep -E "^[^ ]*(p|o|g|a)[^ ]* " || :) | sed -e 's/^[^ ]* //' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID" + if [ $? != 0 ]; then + Logger "Cannot prepare file list for attribute sync." "CRITICAL" + exit 1 + fi + fi + + _get_file_ctime_mtime_local "${INITIATOR[1]}" "${INITIATOR[0]}" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID" + if [ "$REMOTE_OPERATION" != "yes" ]; then + _get_file_ctime_mtime_local "${TARGET[1]}" "${TARGET[0]}" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID" + else + _get_file_ctime_mtime_remote "${TARGET[1]}" "${TARGET[0]}" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID" + fi + + + # If target gets updated first, then sync_attr must update initiator's attrs first + # Also, change replica paths of the two file lists so rsync will know what to sync + if [ "$CONFLICT_PREVALANCE" == "${INITIATOR[0]}" ]; then + local source_dir="${TARGET[1]}" + local dest_dir="${INITIATOR[1]}" + local dest_replica="${INITIATOR[0]}" + sed -i "s;^${INITIATOR[1]};${TARGET[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" + join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 < $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" + + else + + local source_dir="${INITIATOR[1]}" + local dest_dir="${TARGET[1]}" + local dest_replica="${TARGET[0]}" + sed -i "s;^${TARGET[1]};${INITIATOR[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" + join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 < $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" + fi + + if [ "$REMOTE_OPERATION" == "yes" ]; then + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + if [ "$dest" == "${INITIATOR[0]}" ]; then + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ATTR_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/${INITIATOR[0]$delete_list_filename\" --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/${TARGET[0]}$delete_list_filename\" $REMOTE_USER@REMOTE_HOST:\"$esc_source_dir\" \"$dest_dir\" > $RUN_DIR/$PROGRAM.attr-update.$dest_replica.$SCRIPT_PID 2>&1 &" + else + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ATTR_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/${INITIATOR[0]$delete_list_filename\" --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/${TARGET[0]}$delete_list_filename\" \"$source_dir\" $REMOTE_USER@$REMOTE_HOST:\"$esc_dest_dir\" > $RUN_DIR/$PROGRAM.attr-update.$dest_replica.$SCRIPT_PID 2>&1 &" + fi + else + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ATTR_ARGS $SYNC_OPTS --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/{$INITIATOR[0]}$delete_list_filename\" --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/${TARGET[0]}$delete_list_filename\" \"$source_dir\" \"$dest_dir\" > $RUN_DIR/$PROGRAM.attr-update.$dest_replica.$SCRIPT_PID 2>&1 &" + + fi + + Logger "RSYNC_CMD: $rsync_cmd" "DEBUG" + eval "$rsync_cmd" + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + if [ $_VERBOSE -eq 1 ] && [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-attrfiles.$SCRIPT_PID" ]; then + Logger "List:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAM-attrfiles.$SCRIPT_PID)" "NOTICE" + fi + + if [ $retval != 0 ] && [ $retval != 24 ]; then + Logger "Updating file attributes on $source [$retval]. Stopping execution." "CRITICAL" + if [ $_VERBOSE -eq 0 ] && [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-attrfiles.$SCRIPT_PID" ]; then + Logger "Rsync output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}-attrfiles.$SCRIPT_PID)" "NOTICE" + fi + exit $retval + else + Logger "Successfully updated file attributes on $dest replica." "NOTICE" + fi +} + +# sync_update(source replica, destination replica, delete_list_filename) +function sync_update { + local source_replica="${1}" # Contains replica type of source: initiator, target + local destination_replica="${2}" # Contains replica type of destination: initiator, target + local delete_list_filename="${3}" # Contains deleted list filename, will be prefixed with replica type + __CheckArguments 3 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local rsync_cmd= + local retval= + + Logger "Updating $destination_replica replica." "NOTICE" + if [ "$source_replica" == "${INITIATOR[0]}" ]; then + local source_dir="${INITIATOR[1]}" + local esc_source_dir=$(EscapeSpaces "${INITIATOR[1]}") + local dest_dir="${TARGET[1]}" + local esc_dest_dir=$(EscapeSpaces "${TARGET[1]}") + local backup_args="$TARGET_BACKUP_ARGS" + else + local source_dir="${TARGET[1]}" + local esc_source_dir=$(EscapeSpaces "${TARGET[1]}") + local dest_dir="${INITIATOR[1]}" + local esc_dest_dir=$(EscapeSpaces "${INITIATOR[1]}") + local backup_args="$INITIATOR_BACKUP" + fi + + if [ "$REMOTE_OPERATION" == "yes" ]; then + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + if [ "$source_replica" == "${INITIATOR[0]}" ]; then + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" $backup_args --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/$source_replica$delete_list_filename\" --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/$destination_replica$delete_list_filename\" \"$source_dir\" $REMOTE_USER@$REMOTE_HOST:\"$esc_dest_dir\" > $RUN_DIR/$PROGRAM.update.$destination_replica.$SCRIPT_PID 2>&1 &" + else + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" $backup_args --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/$destination_replica$delete_list_filename\" --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/$source_replica$delete_list_filename\" $REMOTE_USER@$REMOTE_HOST:\"$esc_source_dir\" \"$dest_dir\" > $RUN_DIR/$PROGRAM.update.$destination_replica.$SCRIPT_PID 2>&1 &" + fi + else + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $SYNC_OPTS $backup_args --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/$source_replica$delete_list_filename\" --exclude-from=\"${INITIATOR[1]}${INITIATOR[3]}/$destination_replica$delete_list_filename\" \"$source_dir\" \"$dest_dir\" > $RUN_DIR/$PROGRAM.update.$destination_replica.$SCRIPT_PID 2>&1 &" + fi + Logger "RSYNC_CMD: $rsync_cmd" "DEBUG" + eval "$rsync_cmd" + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + if [ $_VERBOSE -eq 1 ] && [ -f "$RUN_DIR/$PROGRAM.update.$destination_replica.$SCRIPT_PID" ]; then + Logger "List:\n$(cat $RUN_DIR/$PROGRAM.update.$destination_replica.$SCRIPT_PID)" "NOTICE" + fi + + if [ $retval != 0 ] && [ $retval != 24 ]; then + Logger "Updating $destination_replica replica failed. Stopping execution." "CRITICAL" + if [ $_VERBOSE -eq 0 ] && [ -f "$RUN_DIR/$PROGRAM.update.$destination_replica.$SCRIPT_PID" ]; then + Logger "Rsync output:\n$(cat $RUN_DIR/$PROGRAM.update.$destination_replica.$SCRIPT_PID)" "NOTICE" + fi + exit $retval + else + Logger "Updating $destination_replica replica succeded." "NOTICE" + return 0 + fi +} + +# delete_local(replica dir, delete file list, delete dir, delete failed file) +function _delete_local { + local replica_dir="${1}" # Full path to replica + local deleted_list_file="${2}" # file containing deleted file list, will be prefixed with replica type + local deletion_dir="${3}" # deletion dir in format .[workdir]/deleted + local deleted_failed_list_file="${4}" # file containing files that could not be deleted on last run, will be prefixed with replica type + __CheckArguments 4 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local parentdir= + + ## On every run, check wheter the next item is already deleted because it is included in a directory already deleted + local previous_file="" + OLD_IFS=$IFS + IFS=$'\r\n' + for files in $(cat "${INITIATOR[1]}${INITIATOR[3]}/$deleted_list_file") + do + if [[ "$files" != "$previous_file/"* ]] && [ "$files" != "" ]; then + if [ "$SOFT_DELETE" != "no" ]; then + if [ ! -d "$replica_dir$deletion_dir" ]; then + mkdir -p "$replica_dir$deletion_dir" + if [ $? != 0 ]; then + Logger "Cannot create replica deletion directory." "ERROR" + fi + fi + + if [ $_VERBOSE -eq 1 ]; then + Logger "Soft deleting $replica_dir$files" "NOTICE" + fi + + if [ $_DRYRUN -ne 1 ]; then + if [ -e "$replica_dir$deletion_dir/$files" ]; then + rm -rf "${replica_dir:?}$deletion_dir/$files" #TODO: WTF :? + fi + # In order to keep full path on soft deletion, create parent directories before move + parentdir="$(dirname "$files")" + if [ "$parentdir" != "." ]; then + mkdir --parents "$replica_dir$deletion_dir/$parentdir" + mv -f "$replica_dir$files" "$replica_dir$deletion_dir/$parentdir" + else + mv -f "$replica_dir$files" "$replica_dir$deletion_dir" + fi + if [ $? != 0 ]; then + Logger "Cannot move $replica_dir$files to deletion directory." "ERROR" + echo "$files" >> "${INITIATOR[1]}${INITIATOR[3]}/$deleted_failed_list_file" + fi + fi + else + if [ $_VERBOSE -eq 1 ]; then + Logger "Deleting $replica_dir$files" "NOTICE" + fi + + if [ $_DRYRUN -ne 1 ]; then + rm -rf "$replica_dir$files" + if [ $? != 0 ]; then + Logger "Cannot delete $replica_dir$files" "ERROR" + echo "$files" >> "${INITIATOR[1]}${INITIATOR[3]}/$deleted_failed_list_file" + fi + fi + fi + previous_file="$files" + fi + done + IFS=$OLD_IFS +} + +function _delete_remote { + local replica_dir="${1}" # Full path to replica + local deleted_list_file="${2}" # file containing deleted file list, will be prefixed with replica type + local deletion_dir="${3}" # deletion dir in format .[workdir]/deleted + local deleted_failed_list_file="${4}" # file containing files that could not be deleted on last run, will be prefixed with replica type + __CheckArguments 4 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local esc_dest_dir= + local rsync_cmd= + + ## This is a special coded function. Need to redelcare local functions on remote host, passing all needed variables as escaped arguments to ssh command. + ## Anything beetween << ENDSSH and ENDSSH will be executed remotely + + # Additionnaly, we need to copy the deletetion list to the remote state folder + esc_dest_dir="$(EscapeSpaces "${TARGET[1]}${TARGET[3]}")" + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" \"${INITIATOR[1]}$INITIATOR[3]}/$2\" $REMOTE_USER@$REMOTE_HOST:\"$esc_dest_dir/\" > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.precopy.$SCRIPT_PID 2>&1" + Logger "RSYNC_CMD: $rsync_cmd" "DEBUG" + eval "$rsync_cmd" 2>> "$LOG_FILE" + if [ $? != 0 ]; then + Logger "Cannot copy the deletion list to remote replica." "ERROR" + if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.precopy.$SCRIPT_PID" ]; then + Logger "$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.precopy.$SCRIPT_PID)" "ERROR" + fi + exit 1 + fi + +$SSH_CMD ERROR_ALERT=0 sync_on_changes=$sync_on_changes _SILENT=$_SILENT _DEBUG=$_DEBUG _DRYRUN=$_DRYRUN _VERBOSE=$_VERBOSE COMMAND_SUDO=$COMMAND_SUDO FILE_LIST="$(EscapeSpaces "$TARGET_STATE_DIR/$deleted_list_file")" REPLICA_DIR="$(EscapeSpaces "$replica_dir")" DELETE_DIR="$(EscapeSpaces "$deletion_dir")" FAILED_DELETE_LIST="$(EscapeSpaces "${TARGET[1]}${TARGET[3]}/$deleted_failed_list_file")" 'bash -s' << 'ENDSSH' > "$RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID" 2>&1 & + + ## The following lines are executed remotely + function _logger { + local value="${1}" # What to log + echo -e "$value" >> "$LOG_FILE" + + if [ $_SILENT -eq 0 ]; then + echo -e "$value" + fi + } + + function Logger { + local value="${1}" # What to log + local level="${2}" # Log level: DEBUG, NOTICE, WARN, ERROR, CRITIAL + + local prefix="RTIME: $SECONDS - " + + if [ "$level" == "CRITICAL" ]; then + _logger "$prefix\e[41m$value\e[0m" + ERROR_ALERT=1 + elif [ "$level" == "ERROR" ]; then + _logger "$prefix\e[91m$value\e[0m" + ERROR_ALERT=1 + elif [ "$level" == "WARN" ]; then + _logger "$prefix\e[93m$value\e[0m" + elif [ "$level" == "NOTICE" ]; then + _logger "$prefix$value" + elif [ "$level" == "DEBUG" ]; then + if [ "$_DEBUG" == "yes" ]; then + _logger "$prefix$value" + fi + else + _logger "\e[41mLogger function called without proper loglevel.\e[0m" + _logger "$prefix$value" + fi + } + + ## Empty earlier failed delete list + > "$FAILED_DELETE_LIST" + + local parentdir= + + ## On every run, check wheter the next item is already deleted because it is included in a directory already deleted + local previous_file="" + OLD_IFS=$IFS + IFS=$'\r\n' + for files in $(cat "$FILE_LIST") + do + if [[ "$files" != "$previous_file/"* ]] && [ "$files" != "" ]; then + if [ ! -d "$REPLICA_DIR$DELETE_DIR" ]; then + $COMMAND_SUDO mkdir -p "$REPLICA_DIR$DELETE_DIR" + if [ $? != 0 ]; then + Logger "Cannot create replica deletion directory." "ERROR" + fi + fi + + if [ "$SOFT_DELETE" != "no" ]; then + if [ $_VERBOSE -eq 1 ]; then + Logger "Soft deleting $REPLICA_DIR$files" "NOTICE" + fi + + if [ $_DRYRUN -ne 1 ]; then + if [ -e "$REPLICA_DIR$DELETE_DIR/$files" ]; then + $COMMAND_SUDO rm -rf "$REPLICA_DIR$DELETE_DIR/$files" + fi + # In order to keep full path on soft deletion, create parent directories before move + parentdir="$(dirname "$files")" + if [ "$parentdir" != "." ]; then + $COMMAND_SUDO mkdir --parents "$REPLICA_DIR$DELETE_DIR/$parentdir" + $COMMAND_SUDO mv -f "$REPLICA_DIR$files" "$REPLICA_DIR$DELETE_DIR/$parentdir" + else + $COMMAND_SUDO mv -f "$REPLICA_DIR$files" "$REPLICA_DIR$DELETE_DIR"1 + fi + if [ $? != 0 ]; then + Logger "Cannot move $REPLICA_DIR$files to deletion directory." "ERROR" + echo "$files" >> "$FAILED_DELETE_LIST" + fi + fi + else + if [ $_VERBOSE -eq 1 ]; then + Logger "Deleting $REPLICA_DIR$files" "NOTICE" + fi + + if [ $_DRYRUN -ne 1 ]; then + $COMMAND_SUDO rm -rf "$REPLICA_DIR$files" + if [ $? != 0 ]; then + Logger "Cannot delete $REPLICA_DIR$files" "ERROR" + echo "$files" >> "$TARGET_STATE_DIR/$FAILED_DELETE_LIST" + fi + fi + fi + previous_file="$files" + fi + done + IFS=$OLD_IFS +ENDSSH + + ## Need to add a trivial sleep time to give ssh time to log to local file + sleep 5 + + ## Copy back the deleted failed file list + esc_source_file="$(EscapeSpaces "${TARGET[1]}${TARGET[3]}/$deleted_failed_list_file")" + #TODO: Need to check if file exists prior to copy (or add a filemask and copy all state files) + rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" $REMOTE_USER@$REMOTE_HOST:\"$esc_source_file\" \"${INITIATOR[1]}${INITIATOR[3]}\" > \"$RUN_DIR/$PROGRAM.remote_failed_deletion_list_copy.$SCRIPT_PID\"" + Logger "RSYNC_CMD: $rsync_cmd" "DEBUG" + eval "$rsync_cmd" 2>> "$LOG_FILE" + if [ $? != 0 ]; then + Logger "Cannot copy back the failed deletion list to initiator replica." "CRITICAL" + if [ -f "$RUN_DIR/$PROGRAM.remote_failed_deletion_list_copy.$SCRIPT_PID" ]; then + Logger "Comand output: $(cat $RUN_DIR/$PROGRAM.remote_failed_deletion_list_copy.$SCRIPT_PID)" "NOTICE" + fi + exit 1 + fi + + + + exit $? +} + +# delete_propagation(replica name, deleted_list_filename, deleted_failed_file_list) +function deletion_propagation { + local replica_type="${1}" # Contains replica type: initiator, target + local deleted_list_file="${2}" # file containing deleted file list, will be prefixed with replica type + local deleted_failed_list_file="${3}" # file containing files that could not be deleted on last run, will be prefixed with replica type + __CheckArguments 3 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local replica_dir= + local delete_dir= + + Logger "Propagating deletions to $replica_type replica." "NOTICE" + + if [ "$replica_type" == "{$INITIATOR[0]}" ]; then + replica_dir="${INITIATOR[1]}${INITIATOR[3]}/" + delete_dir="${INITIATOR[5]}" + + _delete_local "$replica_dir" "${TARGET[0]}$deleted_list_file" "$delete_dir" "${TARGET[0]}$deleted_failed_list_file" & + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + if [ $retval != 0 ]; then + Logger "Deletion on replica $replica_type failed." "CRITICAL" + exit 1 + fi + else + replica_dir="${TARGET[1]}${TARGET[3]}/" + delete_dir="${TARGET[5]}" + + if [ "$REMOTE_OPERATION" == "yes" ]; then + _delete_remote "$replica_dir" "${INITIATOR[0]}$deleted_list_file" "$delete_dir" "${INITIATOR[0]}$deleted_failed_list_file" & + else + _delete_local "$replica_dir" "${INITIATOR[0]}$deleted_list_file" "$delete_dir" "${INITIATOR[0]}$deleted_failed_list_file" & + fi + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + if [ $retval == 0 ]; then + if [ -f "$RUN_DIR/$PROGRAM._delete_remote.$SCRIPT_PID" ] && [ $_VERBOSE -eq 1 ]; then + Logger "Remote:\n$(cat $RUN_DIR/$PROGRAM._delete_remote.$SCRIPT_PID)" "DEBUG" + fi + return $retval + else + Logger "Deletion on remote system failed." "CRITICAL" + if [ -f "$RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID" ]; then + Logger "Remote:\n$(cat $RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID)" "CRITICAL" + fi + exit 1 + fi + fi +} + +###### Sync function in 6 steps (functions above) +###### +###### Step 1: Create current tree list for initiator and target replicas (Steps 1M and 1S) +###### Step 2: Create deleted file list for initiator and target replicas (Steps 2M and 2S) +###### Step 3a: Update initiator and target file attributes only +###### Step 3b: Update initiator and target replicas (Steps 3M and 3S, order depending on conflict prevalence) +###### Step 4: Deleted file propagation to initiator and target replicas (Steps 4M and 4S) +###### Step 5: Create after run tree list for initiator and target replicas (Steps 5M and 5S) + +function Sync { + local resume_count= + local resume_sync= + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + Logger "Starting synchronization task." "NOTICE" + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + if [ -f "${INITIATOR[7]}" ] && [ "$RESUME_SYNC" != "no" ]; then + resume_sync=$(cat "${INITIATOR[7]}") + if [ -f "${INITIATOR[8]}" ]; then + resume_count=$(cat "${INITIATOR[8]}") + else + resume_count=0 + fi + + if [ $resume_count -lt $RESUME_TRY ]; then + if [ "$resume_sync" != "sync.success" ]; then + Logger "WARNING: Trying to resume aborted osync execution on $($STAT_CMD "${INITIATOR[7]}") at task [$resume_sync]. [$resume_count] previous tries." "WARN" + echo $(($resume_count+1)) > "${INITIATOR[8]}" + else + resume_sync=none + fi + else + Logger "Will not resume aborted osync execution. Too many resume tries [$resume_count]." "WARN" + echo "noresume" > "${INITIATOR[7]}" + echo "0" > "${INITIATOR[8]}" + resume_sync=none + fi + else + resume_sync=none + fi + + + ################################################################################################################################################# Actual sync begins here + + ## This replaces the case statement because ;& operator is not supported in bash 3.2... Code is more messy than case :( + if [ "$resume_sync" == "none" ] || [ "$resume_sync" == "noresume" ] || [ "$resume_sync" == "${SYNC_ACTION[0]}.fail" ]; then + #initiator_tree_current + tree_list "${INITIATOR[1]}${INITIATOR[3]}" initiator "$TREE_CURRENT_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[0]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[0]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[0]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[1]}.fail" ]; then + #target_tree_current + tree_list "${TARGET[1]}${TARGET[3]}" target "$TREE_CURRENT_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[1]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[1]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[1]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[2]}.fail" ]; then + delete_list initiator "$TREE_AFTER_FILENAME" "$TREE_CURRENT_FILENAME" "$DELETED_LIST_FILENAME" "$FAILED_DELETE_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[2]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[2]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[2]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[3]}.fail" ]; then + delete_list target "$TREE_AFTER_FILENAME" "$TREE_CURRENT_FILENAME" "$DELETED_LIST_FILENAME" "$FAILED_DELETE_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[3]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[3]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[3]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.fail" ]; then + sync_attrs "$INITIATOR_SYNC_DIR" "$TARGET_SYNC_DIR" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[4]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[4]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.fail" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.fail" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.success" ]; then + if [ "$CONFLICT_PREVALANCE" != "${INITIATOR[0]}" ]; then + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.fail" ]; then + sync_update ${TARGET[0]} ${INITIATOR[0]} "$DELETED_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[5]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[5]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.fail" ]; then + sync_update ${INITIATOR[0]} ${TARGET[0]} "$DELETED_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[6]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[6]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + else + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.fail" ]; then + sync_update ${INITIATOR[0]} ${TARGET[0]} "$DELETED_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[6]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[6]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.fail" ]; then + sync_update ${TARGET[0]} ${INITIATOR[0]} "$DELETED_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[5]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[5]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + fi + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[7]}.fail" ]; then + deletion_propagation target "$DELETED_LIST_FILENAME" "$FAILED_DELETE_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[7]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[7]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[7]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[8]}.fail" ]; then + deletion_propagation initiator "$DELETED_LIST_FILENAME" "$FAILED_DELETE_LIST_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[8]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[8]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[8]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[9]}.fail" ]; then + #initiator_tree_after + tree_list "${INITIATOR[1]}${INITIATOR[3]}" ${INITIATOR[0]} "$TREE_AFTER_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[9]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[9]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[9]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[10]}.fail" ]; then + #target_tree_after + tree_list "${TARGET[1]}${TARGET[3]}" ${TARGET[0]} "$TREE_AFTER_FILENAME" + if [ $? == 0 ]; then + echo "${SYNC_ACTION[10]}.success" > "${INITIATOR[7]}" + else + echo "${SYNC_ACTION[10]}.fail" > "${INITIATOR[7]}" + fi + resume_sync="resumed" + fi + + Logger "Finished synchronization task." "NOTICE" + echo "${SYNC_ACTION[11]}" > "${INITIATOR[7]}" + + echo "0" > "${INITIATOR[8]}" +} + +function _SoftDeleteLocal { + local replica_type="${1}" # replica type (initiator, target) + local replica_deletion_path="${2}" # Contains the full path to softdelete / backup directory without ending slash + local change_time="${3}" + __CheckArguments 3 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local retval= + + if [ -d "$replica_deletion_path" ]; then + if [ $_DRYRUN -eq 1 ]; then + Logger "Listing files older than $change_time days on $replica_type replica. Does not remove anything." "NOTICE" + else + Logger "Removing files older than $change_time days on $replica_type replica." "NOTICE" + fi + if [ $_VERBOSE -eq 1 ]; then + # Cannot launch log function from xargs, ugly hack + $FIND_CMD "$replica_deletion_path/" -type f -ctime +$change_time -print0 | xargs -0 -I {} echo "Will delete file {}" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + $FIND_CMD "$replica_deletion_path/" -type d -empty -ctime +$change_time -print0 | xargs -0 -I {} echo "Will delete directory {}" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + fi + if [ $_DRYRUN -ne 1 ]; then + $FIND_CMD "$replica_deletion_path/" -type f -ctime +$change_time -print0 | xargs -0 -I {} rm -f "{}" && $FIND_CMD "$replica_deletion_path/" -type d -empty -ctime +$change_time -print0 | xargs -0 -I {} rm -rf "{}" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1 & + else + Dummy & + fi + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + if [ $retval -ne 0 ]; then + Logger "Error while executing cleanup on $replica_type replica." "ERROR" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + else + Logger "Cleanup complete on $replica_type replica." "NOTICE" + fi + elif [ -d "$replica_deletion_path" ] && ! [ -w "$replica_deletion_path" ]; then + Logger "Warning: $replica_type replica dir [$replica_deletion_path] is not writable. Cannot clean old files." "ERROR" + fi +} + +function _SoftDeleteRemote { + local replica_type="${1}" + local replica_deletion_path="${2}" # Contains the full path to softdelete / backup directory without ending slash + local change_time="${3}" + __CheckArguments 3 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local retval= + + CheckConnectivity3rdPartyHosts + CheckConnectivityRemoteHost + + if [ $_DRYRUN -eq 1 ]; then + Logger "Listing files older than $change_time days on target replica. Does not remove anything." "NOTICE" + else + Logger "Removing files older than $change_time days on target replica." "NOTICE" + fi + + if [ $_VERBOSE -eq 1 ]; then + # Cannot launch log function from xargs, ugly hack + cmd=$SSH_CMD' "if [ -d \"'$replica_deletion_path'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type f -ctime +'$change_time' -print0 | xargs -0 -I {} echo Will delete file {} && '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type d -empty -ctime '$change_time' -print0 | xargs -0 -I {} echo Will delete directory {}; else echo \"No remote backup/deletion directory.\"; exit 1; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + fi + + if [ $_DRYRUN -ne 1 ]; then + cmd=$SSH_CMD' "if [ -d \"'$replica_deletion_path'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type f -ctime +'$change_time' -print0 | xargs -0 -I {} rm -f \"{}\" && '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type d -empty -ctime '$change_time' -print0 | xargs -0 -I {} rm -rf \"{}\"; else echo \"No remote backup/deletion directory.\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1' + + Logger "cmd: $cmd" "DEBUG" + eval "$cmd" & + else + Dummy & + fi + WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME ${FUNCNAME[0]} + retval=$? + if [ $retval -ne 0 ]; then + Logger "Error while executing cleanup on remote target replica." "ERROR" + Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE" + else + Logger "Cleanup complete on target replica." "NOTICE" + fi +} + +function SoftDelete { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$CONFLICT_BACKUP" != "no" ] && [ $CONFLICT_BACKUP_DAYS -ne 0 ]; then + Logger "Running conflict backup cleanup." "NOTICE" + + _SoftDeleteLocal "${INITIATOR[0]}" "${INITIATOR[1]}${INITIATOR[4]}" $CONFLICT_BACKUP_DAYS + if [ "$REMOTE_OPERATION" != "yes" ]; then + _SoftDeleteLocal "${TARGET[0]}" "${TARGET[1]}${TARGET[4]}" $CONFLICT_BACKUP_DAYS + else + _SoftDeleteRemote "${TARGET[0]}" "${TARGET[1]}${TARGET[4]}" $CONFLICT_BACKUP_DAYS + fi + fi + + if [ "$SOFT_DELETE" != "no" ] && [ $SOFT_DELETE_DAYS -ne 0 ]; then + Logger "Running soft deletion cleanup." "NOTICE" + + _SoftDeleteLocal "${INITIATOR[0]}" "${INITIATOR[1]}${INITIATOR[5]}" $SOFT_DELETE_DAYS + if [ "$REMOTE_OPERATION" != "yes" ]; then + _SoftDeleteLocal "${TARGET[0]}" "${TARGET[1]}${TARGET[5]}" $SOFT_DELETE_DAYS + else + _SoftDeleteRemote "${TARGET[0]}" "${TARGET[1]}${TARGET[5]}" $SOFT_DELETE_DAYS + fi + fi +} + +function Init { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + # Set error exit code if a piped command fails + set -o pipefail + set -o errtrace + + # Do not use exit and quit traps if osync runs in monitor mode + if [ $sync_on_changes -eq 0 ]; then + trap TrapStop SIGINT SIGHUP SIGTERM SIGQUIT + trap TrapQuit EXIT + else + trap TrapQuit SIGTERM EXIT SIGHUP SIGQUIT + fi + + local uri + local hosturiandpath + local hosturi + + + ## Test if target dir is a ssh uri, and if yes, break it down it its values + if [ "${TARGET_SYNC_DIR:0:6}" == "ssh://" ]; then + REMOTE_OPERATION="yes" + + # remove leadng 'ssh://' + uri=${TARGET_SYNC_DIR#ssh://*} + if [[ "$uri" == *"@"* ]]; then + # remove everything after '@' + REMOTE_USER=${uri%@*} + else + REMOTE_USER=$LOCAL_USER + fi + + if [ "$SSH_RSA_PRIVATE_KEY" == "" ]; then + SSH_RSA_PRIVATE_KEY=~/.ssh/id_rsa + fi + + # remove everything before '@' + hosturiandpath=${uri#*@} + # remove everything after first '/' + hosturi=${hosturiandpath%%/*} + if [[ "$hosturi" == *":"* ]]; then + REMOTE_PORT=${hosturi##*:} + else + REMOTE_PORT=22 + fi + REMOTE_HOST=${hosturi%%:*} + + # remove everything before first '/' + TARGET_SYNC_DIR=${hosturiandpath#*/} + fi + + ## Make sure there is only one trailing slash on path + INITIATOR_SYNC_DIR="${INITIATOR_SYNC_DIR%/}/" + TARGET_SYNC_DIR="${TARGET_SYNC_DIR%/}/" + + if [ $_DRYRUN -eq 1 ]; then + dry_suffix="-dry" + fi + + ## Replica format + ## Why the f*** does bash not have simple objects ? + + #${REPLICA[0]} contains replica type (initiator / target) + #${REPLICA[1]} contains full replica path (can be absolute or relative) with ending slash + #${REPLICA[2]} contains full lock file path + #${REPLICA[3]} contains state dir path, relative to replica path + #${REPLICA[4]} contains backup dir path, relative to replica path + #${REPLICA[5]} contains deletion dir path, relative to replica path + #${REPLICA[6]} contains partial dir path, relative to replica path + #${REPLICA[7]} contains full last action file path + #${REPLICA[8]} contains full resume count file path + + # Local variables used for state filenames + local lock_filename="lock" + local state_dir="state" + local backup_dir="backup" + local delete_dir="deleted" + local partial_dir="_partial" + local last_action="last-action" + local resume_count="resume-count" + local dry_suffix="dry" + + #TODO: replace all other instances by the following + INITIATOR=( + 'initiator' + "$INITIATOR_SYNC_DIR" + "$INITIATOR_SYNC_DIR$OSYNC_DIR/$lock_filename" + "$OSYNC_DIR/$state_dir" + "$OSYNC_DIR/$backup_dir" + "$OSYNC_DIR/$delete_dir" + "$OSYNC_DIR/$partial_dir" + "$INITIATOR_SYNC_DIR$OSYNC_DIR/$state_dir/$last_action-$INSTANCE_ID$dry_suffix" + "$INITIATOR_SYNC_DIR$OSYNC_DIR/$state_dir/$resume_count-$INSTANCE_ID$dry_suffix" + ) + + TARGET=( + 'target' + "$TARGET_SYNC_DIR" + "$TARGET_SYNC_DIR$OSYNC_DIR/$lock_filename" + "$OSYNC_DIR/$state_dir" + "$OSYNC_DIR/$backup_dir" + "$OSYNC_DIR/$delete_dir" + "$OSYNC_DIR/$partial_dir" + "$TARGET_SYNC_DIR$OSYNC_DIR/$state_dir/$last_action-$INSTANCE_ID$dry_suffix" + "$TARGET_SYNC_DIR$OSYNC_DIR/$state_dir/$resume_count-$INSTANCE_ID$dry_suffix" + ) + + PARTIAL_DIR=$OSYNC_DIR"_partial" + + ## Set sync only function arguments for rsync + SYNC_OPTS="-u" + + if [ $_VERBOSE -eq 1 ]; then + SYNC_OPTS=$SYNC_OPTS"i" + fi + + if [ $STATS -eq 1 ]; then + SYNC_OPTS=$SYNC_OPTS" --stats" + fi + + ## Add Rsync include / exclude patterns + if [ $_QUICK_SYNC -lt 2 ]; then + RsyncPatterns + fi + + ## Conflict options + if [ "$CONFLICT_BACKUP" != "no" ]; then + INITIATOR_BACKUP="--backup --backup-dir=\"${INITIATOR[1]}${INITIATOR[4]}\"" + TARGET_BACKUP="--backup --backup-dir=\"${TARGET[1]}${TARGET[4]}\"" + if [ "$CONFLICT_BACKUP_MULTIPLE" == "yes" ]; then + INITIATOR_BACKUP="$INITIATOR_BACKUP --suffix .$(date +%Y.%m.%d-%H.%M.%S)" + TARGET_BACKUP="$TARGET_BACKUP --suffix .$(date +%Y.%m.%d-%H.%M.%S)" + fi + else + INITIATOR_BACKUP=" + TARGET_BACKUP=" + fi + + TREE_CURRENT_FILENAME="-tree-current-$INSTANCE_ID$dry_suffix" + TREE_AFTER_FILENAME="-tree-after-$INSTANCE_ID$dry_suffix" + TREE_AFTER_FILENAME_NO_SUFFIX="-tree-after-$INSTANCE_ID" + DELETED_LIST_FILENAME="-deleted-list-$INSTANCE_ID$dry_suffix" + FAILED_DELETE_LIST_FILENAME="-failed-delete-$INSTANCE_ID$dry_suffix" + + ## Sync function actions (0-10) + SYNC_ACTION=( + 'initiator-replica-tree' + 'target-replica-tree' + 'initiator-deleted-list' + 'target-deleted-list' + 'sync-attrs' + 'update-initiator-replica' + 'update-target-replica' + 'delete-propagation-target' + 'delete-propagation-initiator' + 'initiator-replica-tree-after' + 'target-replica-tree-after' + 'sync.success' + ) +} + +function Main { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + CreateStateDirs + CheckLocks + sleep 900 + Sync +} + +function Usage { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + if [ "$IS_STABLE" != "yes" ]; then + echo -e "\e[93mThis is an unstable dev build. Please use with caution.\e[0m" + fi + + echo "$PROGRAM $PROGRAM_VERSION $PROGRAM_BUILD" + echo $AUTHOR + echo $CONTACT + echo "" + echo "You may use osync with a full blown configuration file, or use its default options for quick command line sync." + echo "Usage: osync.sh /path/to/config/file [OPTIONS]" + echo "or osync.sh --initiator=/path/to/initiator/replica --target=/path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]" + echo "or osync.sh --initiator=/path/to/initiator/replica --target=ssh://[backupuser]@remotehost.com[:portnumber]//path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]" + echo "" + echo "[OPTIONS]" + echo "--dry Will run osync without actually doing anything; just testing" + echo "--silent Will run osync without any output to stdout, used for cron jobs" + echo "--verbose Increases output" + echo "--stats Adds rsync transfer statistics to verbose output" + echo "--partial Allows rsync to keep partial downloads that can be resumed later (experimental)" + echo "--no-maxtime Disables any soft and hard execution time checks" + echo "--force-unlock Will override any existing active or dead locks on initiator and target replica" + echo "--on-changes Will launch a sync task after a short wait period if there is some file activity on initiator replica. You should try daemon mode instead" + echo "" + echo "[QUICKSYNC OPTIONS]" + echo "--initiator=\"\" Master replica path. Will contain state and backup directory (is mandatory)" + echo "--target=\"\" Local or remote target replica path. Can be a ssh uri like ssh://user@host.com:22//path/to/target/replica (is mandatory)" + echo "--rsakey=\"\" Alternative path to rsa private key for ssh connection to target replica" + echo "--instance-id=\"\" Optional sync task name to identify this synchronization task when using multiple targets" + echo "" + echo "Additionaly, you may set most osync options at runtime. eg:" + echo "SOFT_DELETE_DAYS=365 osync.sh --initiator=/path --target=/other/path" + echo "" + exit 128 +} + +function SyncOnChanges { + __CheckArguments 0 $# ${FUNCNAME[0]} "$@" #__WITH_PARANOIA_DEBUG + + local cmd= + local retval= + + if ! type inotifywait > /dev/null 2>&1 ; then + Logger "No inotifywait command found. Cannot monitor changes." "CRITICAL" + exit 1 + fi + + Logger "#### Running osync in file monitor mode." "NOTICE" + + while true + do + if [ "$ConfigFile" != "" ]; then + cmd='bash '$osync_cmd' "'$ConfigFile'" '$opts + else + cmd='bash '$osync_cmd' '$opts + fi + Logger "daemon cmd: $cmd" "DEBUG" + eval "$cmd" + retval=$? + if [ $retval != 0 ]; then + Logger "osync child exited with error." "CRITICAL" + exit $retval + fi + + Logger "#### Monitoring now." "NOTICE" + inotifywait --exclude $OSYNC_DIR $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE -qq -r -e create -e modify -e delete -e move -e attrib --timeout "$MAX_WAIT" "$INITIATOR_SYNC_DIR" & + #OSYNC_SUB_PID=$! Not used anymore with killchilds func + wait $! + retval=$? + if [ $retval == 0 ]; then + Logger "#### Changes detected, waiting $MIN_WAIT seconds before running next sync." "NOTICE" + sleep $MIN_WAIT + elif [ $retval == 2 ]; then + Logger "#### $MAX_WAIT timeout reached, running sync." "NOTICE" + else + Logger "#### inotify error detected, waiting $MIN_WAIT seconds before running next sync." "ERROR" + sleep $MIN_WAIT + fi + done + +} + +STATS=0 +PARTIAL=0 +FORCE_UNLOCK=0 +no_maxtime=0 +# Alert flags +opts="" +ERROR_ALERT=0 +soft_stop=0 +_QUICK_SYNC=0 +sync_on_changes=0 +_NOLOCKS=0 +osync_cmd=$0 + +if [ $# -eq 0 ] +then + Usage +fi + +first=1 +for i in "$@" +do + case $i in + --dry) + _DRYRUN=1 + opts=$opts" --dry" + ;; + --silent) + _SILENT=1 + opts=$opts" --silent" + ;; + --verbose) + _VERBOSE=1 + opts=$opts" --verbose" + ;; + --stats) + STATS=1 + opts=$opts" --stats" + ;; + --partial) + PARTIAL="yes" + opts=$opts" --partial" + ;; + --force-unlock) + FORCE_UNLOCK=1 + opts=$opts" --force-unlock" + ;; + --no-maxtime) + no_maxtime=1 + opts=$opts" --no-maxtime" + ;; + --help|-h|--version|-v) + Usage + ;; + --initiator=*) + _QUICK_SYNC=$(($_QUICK_SYNC + 1)) + no_maxtime=1 + INITIATOR_SYNC_DIR=${i##*=} + opts=$opts" --initiator=\"$INITIATOR_SYNC_DIR\"" + ;; + --target=*) + _QUICK_SYNC=$(($_QUICK_SYNC + 1)) + TARGET_SYNC_DIR=${i##*=} + opts=$opts" --target=\"$TARGET_SYNC_DIR\"" + no_maxtime=1 + ;; + --rsakey=*) + SSH_RSA_PRIVATE_KEY=${i##*=} + opts=$opts" --rsakey=\"$SSH_RSA_PRIVATE_KEY\"" + ;; + --instance-id=*) + INSTANCE_ID=${i##*=} + opts=$opts" --instance-id=\"$INSTANCE_ID\"" + ;; + --on-changes) + sync_on_changes=1 + _NOLOCKS=1 + ;; + --no-locks) + _NOLOCKS=1 + ;; + *) + if [ $first == "0" ]; then + Logger "Unknown option '$i'" "CRITICAL" + Usage + fi + ;; + esac + first=0 +done + +# Remove leading space if there is one +opts="${opts# *}" + + ## Here we set default options for quicksync tasks when no configuration file is provided. + + if [ $_QUICK_SYNC -eq 2 ]; then + if [ "$INSTANCE_ID" == "" ]; then + INSTANCE_ID="quicksync_task" + fi + + # Let the possibility to initialize those values directly via command line like SOFT_DELETE_DAYS=60 ./osync.sh + + if [ "$MINIMUM_SPACE" == "" ]; then + MINIMUM_SPACE=1024 + fi + + if [ "$CONFLICT_BACKUP_DAYS" == "" ]; then + CONFLICT_BACKUP_DAYS=30 + fi + + if [ "$SOFT_DELETE_DAYS" == "" ]; then + SOFT_DELETE_DAYS=30 + fi + + if [ "$RESUME_TRY" == "" ]; then + RESUME_TRY=1 + fi + + if [ "$SOFT_MAX_EXEC_TIME" == "" ]; then + SOFT_MAX_EXEC_TIME=0 + fi + + if [ "$HARD_MAX_EXEC_TIME" == "" ]; then + HARD_MAX_EXEC_TIME=0 + fi + + MIN_WAIT=30 + REMOTE_OPERATION=no + else + ConfigFile="${1}" + LoadConfigFile "$ConfigFile" + fi + + if [ "$LOGFILE" == "" ]; then + if [ -w /var/log ]; then + LOG_FILE=/var/log/$PROGRAM.$INSTANCE_ID.log + else + LOG_FILE=./$PROGRAM.$INSTANCE_ID.log + fi + else + LOG_FILE="$LOGFILE" + fi + + if [ "$IS_STABLE" != "yes" ]; then + Logger "This is an unstable dev build. Please use with caution." "WARN" + fi + + GetLocalOS + InitLocalOSSettings + CheckEnvironment + PreInit + Init + PostInit + if [ $_QUICK_SYNC -lt 2 ]; then + CheckCurrentConfig + fi + GetRemoteOS + InitRemoteOSSettings + + if [ $sync_on_changes -eq 1 ]; then + SyncOnChanges + else + DATE=$(date) + Logger "-------------------------------------------------------------" "NOTICE" + Logger "$DRY_WARNING $DATE - $PROGRAM $PROGRAM_VERSION script begin." "NOTICE" + Logger "-------------------------------------------------------------" "NOTICE" + Logger "Sync task [$INSTANCE_ID] launched as $LOCAL_USER@$LOCAL_HOST (PID $SCRIPT_PID)" "NOTICE" + if [ $no_maxtime -eq 1 ]; then + SOFT_MAX_EXEC_TIME=0 + HARD_MAX_EXEC_TIME=0 + fi + CheckReplicaPaths + CheckDiskSpace + RunBeforeHook + Main + if [ $? == 0 ]; then + SoftDelete + fi + RunAfterHook + fi diff --git a/dev/debug_osync.sh b/dev/debug_osync.sh index 75a35c4..84c27a5 100755 --- a/dev/debug_osync.sh +++ b/dev/debug_osync.sh @@ -6,7 +6,7 @@ PROGRAM="osync" # Rsync based two way sync engine with fault tolerance AUTHOR="(L) 2013-2016 by Orsiris de Jong" CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr" PROGRAM_VERSION=1.1-dev -PROGRAM_BUILD=2016021902 +PROGRAM_BUILD=2016021903 IS_STABLE=no ## FUNC_BUILD=2016021802 @@ -1619,6 +1619,11 @@ function sync_attrs { local rsync_cmd= local retval= + + if [ "$SYNC_ATTR" -ne 1 ]; then + return 0 + fi + Logger "Getting file attributes." "NOTICE" if [ "$REMOTE_OPERATION" == "yes" ]; then @@ -1661,22 +1666,19 @@ function sync_attrs { # If target gets updated first, then sync_attr must update initiator's attrs first - # Also, change replica paths of the two file lists so join can work - # After join, remove leading replica paths + # For join, remove leading replica paths if [ "$CONFLICT_PREVALANCE" == "${TARGET[0]}" ]; then local source_dir="${INITIATOR[1]}" local dest_dir="${TARGET[1]}" local dest_replica="${TARGET[0]}" - sed -i "s;^${TARGET[1]};${INITIATOR[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" + sed -i "s;^${TARGET[1]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" - sed -i "s;^${INITIATOR[1]};;g" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" else local source_dir="${TARGET[1]}" local dest_dir="${INITIATOR[1]}" local dest_replica="${INITIATOR[0]}" - sed -i "s;^${INITIATOR[1]};${TARGET[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" + sed -i "s;^${INITIATOR[1]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" - sed -i "s;^${TARGET[1]};;g" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" fi Logger "Updating file attributes on $dest_replica." "NOTICE" diff --git a/dev/n_osync.sh b/dev/n_osync.sh index 03f1871..7d16bf2 100755 --- a/dev/n_osync.sh +++ b/dev/n_osync.sh @@ -6,7 +6,7 @@ PROGRAM="osync" # Rsync based two way sync engine with fault tolerance AUTHOR="(L) 2013-2016 by Orsiris de Jong" CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr" PROGRAM_VERSION=1.1-dev -PROGRAM_BUILD=2016021902 +PROGRAM_BUILD=2016021903 IS_STABLE=no source "./ofunctions.sh" @@ -693,6 +693,11 @@ function sync_attrs { local rsync_cmd= local retval= + + if [ "$SYNC_ATTR" -ne 1 ]; then + return 0 + fi + Logger "Getting file attributes." "NOTICE" if [ "$REMOTE_OPERATION" == "yes" ]; then @@ -735,22 +740,19 @@ function sync_attrs { # If target gets updated first, then sync_attr must update initiator's attrs first - # Also, change replica paths of the two file lists so join can work - # After join, remove leading replica paths + # For join, remove leading replica paths if [ "$CONFLICT_PREVALANCE" == "${TARGET[0]}" ]; then local source_dir="${INITIATOR[1]}" local dest_dir="${TARGET[1]}" local dest_replica="${TARGET[0]}" - sed -i "s;^${TARGET[1]};${INITIATOR[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" + sed -i "s;^${TARGET[1]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" - sed -i "s;^${INITIATOR[1]};;g" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" else local source_dir="${TARGET[1]}" local dest_dir="${INITIATOR[1]}" local dest_replica="${INITIATOR[0]}" - sed -i "s;^${INITIATOR[1]};${TARGET[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" + sed -i "s;^${INITIATOR[1]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" - sed -i "s;^${TARGET[1]};;g" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" fi Logger "Updating file attributes on $dest_replica." "NOTICE" diff --git a/osync.sh b/osync.sh index f847d71..4881732 100755 --- a/osync.sh +++ b/osync.sh @@ -6,7 +6,7 @@ PROGRAM="osync" # Rsync based two way sync engine with fault tolerance AUTHOR="(L) 2013-2016 by Orsiris de Jong" CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr" PROGRAM_VERSION=1.1-dev -PROGRAM_BUILD=2016021902 +PROGRAM_BUILD=2016021903 IS_STABLE=no ## FUNC_BUILD=2016021802 @@ -1490,6 +1490,11 @@ function sync_attrs { local rsync_cmd= local retval= + + if [ "$SYNC_ATTR" -ne 1 ]; then + return 0 + fi + Logger "Getting file attributes." "NOTICE" if [ "$REMOTE_OPERATION" == "yes" ]; then @@ -1532,22 +1537,19 @@ function sync_attrs { # If target gets updated first, then sync_attr must update initiator's attrs first - # Also, change replica paths of the two file lists so join can work - # After join, remove leading replica paths + # For join, remove leading replica paths if [ "$CONFLICT_PREVALANCE" == "${TARGET[0]}" ]; then local source_dir="${INITIATOR[1]}" local dest_dir="${TARGET[1]}" local dest_replica="${TARGET[0]}" - sed -i "s;^${TARGET[1]};${INITIATOR[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" + sed -i "s;^${TARGET[1]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" - sed -i "s;^${INITIATOR[1]};;g" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" else local source_dir="${TARGET[1]}" local dest_dir="${INITIATOR[1]}" local dest_replica="${INITIATOR[0]}" - sed -i "s;^${INITIATOR[1]};${TARGET[1]};g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" + sed -i "s;^${INITIATOR[1]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[0]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[0]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" - sed -i "s;^${TARGET[1]};;g" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID" fi Logger "Updating file attributes on $dest_replica." "NOTICE"