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1541 lines
55 KiB
Bash
1541 lines
55 KiB
Bash
#!/usr/bin/env bash
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PROGRAM="osync" # Rsync based two way sync engine with fault tolerance
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AUTHOR="(L) 2013-2015 by Orsiris \"Ozy\" de Jong"
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CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr"
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PROGRAM_VERSION=1.1-pre
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PROGRAM_BUILD=2015112801
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IS_STABLE=no
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source "./ofunctions.sh"
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## Working directory. This is the name of the osync subdirectory contained in every replica.
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OSYNC_DIR=".osync_workdir"
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function TrapStop {
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if [ $soft_stop -eq 0 ]; then
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Logger " /!\ WARNING: Manual exit of osync is really not recommended. Sync will be in inconsistent state." "WARN"
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Logger " /!\ WARNING: If you are sure, please hit CTRL+C another time to quit." "WARN"
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soft_stop=1
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return 1
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fi
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if [ $soft_stop -eq 1 ]; then
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Logger " /!\ WARNING: CTRL+C hit twice. Exiting osync. Please wait while replicas get unlocked..." "WARN"
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soft_stop=2
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exit 1
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fi
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}
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function TrapQuit {
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if [ $ERROR_ALERT -ne 0 ]; then
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UnlockReplicas
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CleanUp
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Logger "$PROGRAM finished with errors." "ERROR"
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exitcode=1
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elif [ $WARN_ALERT -ne 0 ]; then
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UnlockReplicas
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CleanUp
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Logger "$PROGRAM finished with warnings." "WARN"
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else
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UnlockReplicas
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CleanUp
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Logger "$PROGRAM finished." "NOTICE"
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exitcode=0
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fi
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#TODO: Check new KillChilds function for service mode
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# if ps -p $OSYNC_SUB_PID > /dev/null 2>&1
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# then
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# kill -s SIGTERM $OSYNC_SUB_PID
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# if [ $? == 0 ]; then
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# Logger "Stopped sub process [$OSYNC_SUB_PID]." "DEBUG"
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# else
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# Logger "Could not terminate sub process [$OSYNC_SUB_PID]. Trying the hard way." "DEBUG"
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# kill -9 $OSYNC_SUB_PID
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# if [ $? != 0 ]; then
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# Logger "Could not kill sub process [$OSYNC_SUB_PID]." "ERROR"
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# fi
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# fi
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# fi
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KillChilds $$ > /dev/null 2>&1
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exit $exitcode
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}
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function CheckEnvironment {
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__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if [ "$REMOTE_OPERATION" == "yes" ]; then
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if ! type ssh > /dev/null 2>&1 ; then
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Logger "ssh not present. Cannot start sync." "CRITICAL"
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exit 1
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fi
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fi
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if ! type rsync > /dev/null 2>&1 ; then
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Logger "rsync not present. Sync cannot start." "CRITICAL"
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exit 1
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fi
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}
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###### Osync specific functions (non shared)
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function _CreateStateDirsLocal {
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local replica_state_dir="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if ! [ -d "$replica_state_dir" ]; then
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$COMMAND_SUDO mkdir -p "$replica_state_dir" > "$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID" 2>&1
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if [ $? != 0 ]; then
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Logger "Cannot create state dir [$replica_state_dir]." "CRITICAL"
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Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)" "ERROR"
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exit 1
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fi
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fi
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}
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function _CreateStateDirsRemote {
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local replica_state_dir="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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CheckConnectivity3rdPartyHosts
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CheckConnectivityRemoteHost
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cmd=$SSH_CMD' "if ! [ -d \"'$replica_state_dir'\" ]; then '$COMMAND_SUDO' mkdir -p \"'$replica_state_dir'\"; fi" > "'$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 720 1800 $FUNCNAME
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if [ $? != 0 ]; then
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Logger "Cannot create remote state dir [$replica_state_dir]." "CRITICAL"
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Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)" "ERROR"
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exit 1
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fi
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}
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function CreateStateDirs {
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__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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_CreateStateDirsLocal "$INITIATOR_STATE_DIR"
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if [ "$REMOTE_OPERATION" != "yes" ]; then
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_CreateStateDirsLocal "$TARGET_STATE_DIR"
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else
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_CreateStateDirsRemote "$TARGET_STATE_DIR"
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fi
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}
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function _CheckReplicaPathsLocal {
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local replica_path="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if [ ! -d "$replica_path" ]; then
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if [ "$CREATE_DIRS" == "yes" ]; then
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$COMMAND_SUDO mkdir -p "$replica_path" > "$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID" 2>&1
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if [ $? != 0 ]; then
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Logger "Cannot create local replica path [$replica_path]." "CRITICAL"
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Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)"
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exit 1
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else
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Logger "Created local replica path [$replica_path]." "NOTICE"
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fi
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else
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Logger "Local replica path [$replica_path] does not exist." "CRITICAL"
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exit 1
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fi
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fi
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if [ ! -w "$replica_path" ]; then
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Logger "Local replica path [$replica_path] is not writable." "CRITICAL"
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exit 1
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fi
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}
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function _CheckReplicaPathsRemote {
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local replica_path="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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CheckConnectivity3rdPartyHosts
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CheckConnectivityRemoteHost
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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.$SCRIPT_PID'" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 720 1800 $FUNCNAME
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if [ $? != 0 ]; then
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Logger "Cannot create remote replica path [$replica_path]." "CRITICAL"
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Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)" "ERROR"
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exit 1
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fi
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cmd=$SSH_CMD' "if [ ! -w \"'$replica_path'\" ];then exit 1; fi" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 720 1800 $FUNCNAME
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if [ $? != 0 ]; then
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Logger "Remote replica path [$replica_path] is not writable." "CRITICAL"
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exit 1
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fi
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}
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function CheckReplicaPaths {
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__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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#INITIATOR_SYNC_DIR_CANN=$(realpath "$INITIATOR_SYNC_DIR") #TODO: investigate realpath & readlink issues on MSYS and busybox here
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#TARGET_SYNC_DIR_CANN=$(realpath "$TARGET_SYNC_DIR")
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#if [ "$REMOTE_OPERATION" != "yes" ]; then
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# if [ "$INITIATOR_SYNC_DIR_CANN" == "$TARGET_SYNC_DIR_CANN" ]; then
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# Logger "Master directory [$INITIATOR_SYNC_DIR] cannot be the same as target directory." "CRITICAL"
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# exit 1
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# fi
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#fi
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_CheckReplicaPathsLocal "$INITIATOR_SYNC_DIR"
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if [ "$REMOTE_OPERATION" != "yes" ]; then
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_CheckReplicaPathsLocal "$TARGET_SYNC_DIR"
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else
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_CheckReplicaPathsRemote "$TARGET_SYNC_DIR"
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fi
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}
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function _CheckDiskSpaceLocal {
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local replica_path="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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Logger "Checking minimum disk space in [$replica_path]." "NOTICE"
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local initiator_space=$(df -P "$replica_path" | tail -1 | awk '{print $4}')
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if [ $initiator_space -lt $MINIMUM_SPACE ]; then
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Logger "There is not enough free space on initiator [$initiator_space KB]." "WARN"
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fi
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}
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function _CheckDiskSpaceRemote {
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local replica_path="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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Logger "Checking minimum disk space on target [$replica_path]." "NOTICE"
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CheckConnectivity3rdPartyHosts
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CheckConnectivityRemoteHost
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cmd=$SSH_CMD' "'$COMMAND_SUDO' df -P \"'$replica_path'\"" > "'$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 720 1800 $FUNCNAME
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if [ $? != 0 ]; then
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Logger "Cannot get free space on target [$replica_path]." "ERROR"
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Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)" "NOTICE"
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else
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local target_space=$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID | tail -1 | awk '{print $4}')
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if [ $target_space -lt $MINIMUM_SPACE ]; then
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Logger "There is not enough free space on target [$replica_path]." "WARN"
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fi
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fi
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}
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function CheckDiskSpace {
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__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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_CheckDiskSpaceLocal "$INITIATOR_SYNC_DIR"
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if [ "$REMOTE_OPERATION" != "yes" ]; then
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_CheckDiskSpaceLocal "$TARGET_SYNC_DIR"
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else
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_CheckDiskSpaceRemote "$TARGET_SYNC_DIR"
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fi
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}
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function RsyncPatternsAdd {
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local pattern="${1}"
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local pattern_type="${2}" # exclude or include
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__CheckArguments 2 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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# Disable globbing so wildcards from exclusions do not get expanded
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set -f
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rest="$pattern"
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while [ -n "$rest" ]
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do
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# Take the string until first occurence until $PATH_SEPARATOR_CHAR
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str=${rest%%;*}
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# Handle the last case
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if [ "$rest" = "${rest/$PATH_SEPARATOR_CHAR/}" ]; then
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rest=
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else
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# Cut everything before the first occurence of $PATH_SEPARATOR_CHAR
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rest=${rest#*$PATH_SEPARATOR_CHAR}
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fi
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if [ "$RSYNC_PATTERNS" == "" ]; then
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RSYNC_PATTERNS="--"$pattern_type"=\"$str\""
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else
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RSYNC_PATTERNS="$RSYNC_PATTERNS --"$pattern_type"=\"$str\""
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fi
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done
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set +f
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}
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function RsyncPatternsFromAdd {
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local pattern_from="${1}"
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local pattern_type="${2}"
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__CheckArguments 2 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if [ ! "$pattern_from" == "" ]; then
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## Check if the exclude list has a full path, and if not, add the config file path if there is one
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if [ "$(basename $pattern_from)" == "$pattern_from" ]; then
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pattern_from=$(dirname $ConfigFile)/$pattern_ffrom
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fi
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if [ -e "$pattern_from" ]; then
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RSYNC_PATTERNS="$RSYNC_PATTERNS --"$pattern_type"-from=\"$pattern_from\""
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fi
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fi
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}
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function RsyncPatterns {
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__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if [ "$RSYNC_PATTERN_ORDER" == "exclude" ]; then
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RsyncPatternsAdd "$RSYNC_EXCLUDE_PATTERN" "exclude"
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RsyncPatternsFromAdd "$RSYNC_EXCLUDE_FROM" "exclude"
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RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include"
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RsyncPatternsFromAdd "$RSYNC_INCLUDE_FROM" "include"
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elif [ "$RSYNC_PATTERN_ORDER" == "include" ]; then
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RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include"
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RsyncPatternsFromAdd "$RSYNC_EXCLUDE_FROM" "include"
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RsyncPatternsAdd "$RSYNC_EXCLUDE_PATTERN" "exclude"
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RsyncPatternsFromAdd "$RSYNC_EXCLUDE_FROM" "exclude"
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else
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Logger "Bogus RSYNC_PATTERN_ORDER in config file" "WARN"
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fi
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}
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function _WriteLockFilesLocal {
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local lockfile="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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$COMMAND_SUDO echo "$SCRIPT_PID@$INSTANCE_ID" > "$lockfile" #TODO: Determine best format for lockfile for v2
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if [ $? != 0 ]; then
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Logger "Could not create lock file [$lockfile]." "CRITICAL"
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exit 1
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else
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Logger "Locked replica on [$lockfile]." "DEBUG"
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fi
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}
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function _WriteLockFilesRemote {
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local lockfile="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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CheckConnectivity3rdPartyHosts
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CheckConnectivityRemoteHost
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cmd=$SSH_CMD' "echo '$SCRIPT_PID@$INSTANCE_ID' | '$COMMAND_SUDO' tee \"'$lockfile'\"" > /dev/null 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 720 1800 $FUNCNAME
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if [ $? != 0 ]; then
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Logger "Could not set lock on remote target replica." "CRITICAL"
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exit 1
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else
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Logger "Locked remote target replica." "DEBUG"
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fi
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}
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function WriteLockFiles {
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__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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_WriteLockFilesLocal "$INITIATOR_LOCKFILE"
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if [ "$REMOTE_OPERATION" != "yes" ]; then
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_WriteLockFilesLocal "$TARGET_LOCKFILE"
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else
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_WriteLockFilesRemote "$TARGET_LOCKFILE"
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fi
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}
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function _CheckLocksLocal {
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local lockfile="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if [ -f "$lockfile" ]; then
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local lockfile_content=$(cat $lockfile)
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Logger "Master lock pid present: $lockfile_content" "DEBUG"
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local lock_pid=${lockfile_content%@*}
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local lock_instance_id=${lockfile_content#*@}
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ps -p$lock_pid > /dev/null 2>&1
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if [ $? != 0 ]; then
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Logger "There is a dead osync lock in [$lockfile]. Instance [$lock_pid] no longer running. Resuming." "NOTICE"
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else
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Logger "There is already a local instance of osync running [$lock_pid]. Cannot start." "CRITICAL"
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exit 1
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fi
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fi
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}
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function _CheckLocksRemote { #TODO: Rewrite this a bit more beautiful
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local lockfile="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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CheckConnectivity3rdPartyHosts
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CheckConnectivityRemoteHost
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cmd=$SSH_CMD' "if [ -f \"'$lockfile'\" ]; then cat \"'$lockfile'\"; fi" > "'$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID'"'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 720 1800 $FUNCNAME
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if [ $? != 0 ]; then
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if [ -f "$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID" ]; then
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local lockfile_content=$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)
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else
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Logger "Cannot get remote lockfile." "CRITICAL"
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exit 1
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fi
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fi
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local lock_pid=${lockfile_content%@*}
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local lock_instance_id=${lockfile_content#*@}
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if [ "$lock_pid" != "" ] && [ "$lock_instance_id" != "" ]; then
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Logger "Remote lock is: $lock_pid@$lock_instance_id" "DEBUG"
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ps -p$lock_pid > /dev/null 2>&1
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if [ $? != 0 ]; then
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if [ "$lock_instance_id" == "$INSTANCE_ID" ]; then
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Logger "There is a dead osync lock on target replica that corresponds to this initiator sync id [$lock_instance_id]. Instance [$lock_pid] no longer running. Resuming." "NOTICE"
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else
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if [ "$FORCE_STRANGER_LOCK_RESUME" == "yes" ]; then
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Logger "WARNING: There is a dead osync lock on target replica that does not correspond to this initiator sync-id [$lock_instance_id]. Forcing resume." "WARN"
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else
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Logger "There is a dead osync lock on target replica that does not correspond to this initiator sync-id [$lock_instance_id]. Will not resume." "CRITICAL"
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exit 1
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fi
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fi
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else
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Logger "There is already a local instance of osync that locks target replica [$lock_pid@$lock_instance_id]. Cannot start." "CRITICAL"
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exit 1
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fi
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fi
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}
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function CheckLocks {
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__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if [ $_NOLOCKS -eq 1 ]; then
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return 0
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fi
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# Do not bother checking for locks when FORCE_UNLOCK is set
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if [ $FORCE_UNLOCK -eq 1 ]; then
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WriteLockFiles
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if [ $? != 0 ]; then
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exit 1
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fi
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fi
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_CheckLocksLocal "$INITIATOR_LOCKFILE"
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if [ "$REMOTE_OPERATION" != "yes" ]; then
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_CheckLocksLocal "$TARGET_LOCKFILE"
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else
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_CheckLocksRemote "$TARGET_LOCKFILE"
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fi
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WriteLockFiles
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}
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function _UnlockReplicasLocal {
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local lockfile="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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if [ -f "$lockfile" ]; then
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$COMMAND_SUDO rm "$lockfile"
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if [ $? != 0 ]; then
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Logger "Could not unlock local replica." "ERROR"
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else
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Logger "Removed local replica lock." "DEBUG"
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fi
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fi
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}
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function _UnlockReplicasRemote {
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local lockfile="${1}"
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__CheckArguments 1 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
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|
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CheckConnectivity3rdPartyHosts
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CheckConnectivityRemoteHost
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cmd=$SSH_CMD' "if [ -f \"'$lockfile'\" ]; then '$COMMAND_SUDO' rm -f \"'$lockfile'\"; fi" > "'$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 720 1800 $FUNCNAME
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if [ $? != 0 ]; then
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Logger "Could not unlock remote replica." "ERROR"
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Logger "Command Output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)" "NOTICE"
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else
|
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Logger "Removed remote replica lock." "DEBUG"
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fi
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}
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|
|
|
function UnlockReplicas {
|
|
__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
if [ $_NOLOCKS -eq 1 ]; then
|
|
return 0
|
|
fi
|
|
|
|
_UnlockReplicasLocal "$INITIATOR_LOCKFILE"
|
|
if [ "$REMOTE_OPERATION" != "yes" ]; then
|
|
_UnlockReplicasLocal "$TARGET_LOCKFILE"
|
|
else
|
|
_UnlockReplicasRemote "$TARGET_LOCKFILE"
|
|
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)
|
|
__CheckArguments 3 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
local escaped_replica_path=$(EscapeSpaces "$replica_path") #TODO: See if escpaed still needed when using singlequotes instead of doublequotes for command eval
|
|
|
|
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\" $RSYNC_ARGS -8 --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS -e \"$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\" $RSYNC_ARGS -8 --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS --list-only \"$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 $FUNCNAME
|
|
retval=$?
|
|
## 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_STATE_DIR/$replica_type$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="${2}" # tree-file-after, will be prefixed with replica type
|
|
local tree_file_current="${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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
# 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_STATE_DIR/$replica_type$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 \"$INITIATOR_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" \"$INITIATOR_STATE_DIR/$replica_type$tree_file_current\" > \"$INITIATOR_STATE_DIR/$replica_type$deleted_list_file\""
|
|
else
|
|
## The || : forces the command to have a good result
|
|
cmd="(grep -F -x -v -f \"$INITIATOR_STATE_DIR/$replica_type$tree_file_current\" \"$INITIATOR_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" || :) > \"$INITIATOR_STATE_DIR/$replica_type$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 "$INITIATOR_STATE_DIR/$replica_type$deleted_failed_list_file" ]; then
|
|
cat "$INITIATOR_STATE_DIR/$replica_type$deleted_failed_list_file" >> "$INITIATOR_STATE_DIR/$replica_type$deleted_list_file"
|
|
rm -f "$INITIATOR_STATE_DIR/$replica_type$deleted_failed_list_file"
|
|
fi
|
|
|
|
return $retval
|
|
else
|
|
touch "$INITIATOR_STATE_DIR/$replica_type$deleted_list_file"
|
|
return $retval
|
|
fi
|
|
}
|
|
|
|
# sync_update(source replica, destination replica, delete_list_filename)
|
|
function sync_update {
|
|
local source_replica="${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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
Logger "Updating $destination_replica replica." "NOTICE"
|
|
if [ "$source_replica" == "initiator" ]; then
|
|
SOURCE_DIR="$INITIATOR_SYNC_DIR"
|
|
ESC_SOURCE_DIR=$(EscapeSpaces "$INITIATOR_SYNC_DIR")
|
|
DEST_DIR="$TARGET_SYNC_DIR"
|
|
ESC_DEST_DIR=$(EscapeSpaces "$TARGET_SYNC_DIR")
|
|
BACKUP_DIR="$TARGET_BACKUP"
|
|
else
|
|
SOURCE_DIR="$TARGET_SYNC_DIR"
|
|
ESC_SOURCE_DIR=$(EscapeSpaces "$TARGET_SYNC_DIR")
|
|
DEST_DIR="$INITIATOR_SYNC_DIR"
|
|
ESC_DEST_DIR=$(EscapeSpaces "$INITIATOR_SYNC_DIR")
|
|
BACKUP_DIR="$INITIATOR_BACKUP"
|
|
fi
|
|
|
|
if [ "$REMOTE_OPERATION" == "yes" ]; then
|
|
CheckConnectivity3rdPartyHosts
|
|
CheckConnectivityRemoteHost
|
|
if [ "$source_replica" == "initiator" ]; then
|
|
rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" $BACKUP_DIR --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS --exclude-from=\"$INITIATOR_STATE_DIR/$source_replica$delete_list_filename\" --exclude-from=\"$INITIATOR_STATE_DIR/$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 $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" $BACKUP_DIR --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS --exclude-from=\"$INITIATOR_STATE_DIR/$destination_replica$delete_list_filename\" --exclude-from=\"$INITIATOR_STATE_DIR/$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 $SYNC_OPTS $BACKUP_DIR --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS --exclude-from=\"$INITIATOR_STATE_DIR/$source_replica$delete_list_filename\" --exclude-from=\"$INITIATOR_STATE_DIR/$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 $FUNCNAME
|
|
retval=$?
|
|
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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
## On every run, check wheter the next item is already deleted because it is included in a directory already deleted
|
|
previous_file=""
|
|
OLD_IFS=$IFS
|
|
IFS=$'\r\n'
|
|
for files in $(cat "$INITIATOR_STATE_DIR/$deleted_list_file")
|
|
do
|
|
if [[ "$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/$files"
|
|
fi
|
|
# In order to keep full path on soft deletion, create parent directories before move
|
|
parentdir="$(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_STATE_DIR/$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_STATE_DIR/$deleted_failed_list_file"
|
|
fi
|
|
fi
|
|
fi
|
|
previous_file="$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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
## 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_STATE_DIR")"
|
|
rsync_cmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" \"$INITIATOR_STATE_DIR/$2\" $REMOTE_USER@$REMOTE_HOST:\"$ESC_DEST_DIR/\" > $RUN_DIR/$PROGRAM.$FUNCNAME.precopy.$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.precopy.$SCRIPT_PID" ]; then
|
|
Logger "$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.precopy.$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_STATE_DIR/$deleted_failed_list_file")" 'bash -s' << 'ENDSSH' > "$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
|
|
|
|
# Special case in daemon mode we should timestamp instead of counting seconds
|
|
if [ $sync_on_changes -eq 1 ]; then
|
|
prefix="$(date) - "
|
|
else
|
|
prefix="RTIME: $SECONDS - "
|
|
fi
|
|
|
|
if [ "$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"
|
|
|
|
## On every run, check wheter the next item is already deleted because it is included in a directory already deleted
|
|
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 "$TARGET_STATE_DIR/$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_STATE_DIR\" > \"$RUN_DIR/$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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
Logger "Propagating deletions to $replica_type replica." "NOTICE"
|
|
|
|
if [ "$replica_type" == "initiator" ]; then
|
|
REPLICA_DIR="$INITIATOR_SYNC_DIR"
|
|
DELETE_DIR="$INITIATOR_DELETE_DIR"
|
|
|
|
_delete_local "$REPLICA_DIR" "target$deleted_list_file" "$DELETE_DIR" "target$deleted_failed_list_file" &
|
|
WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $FUNCNAME
|
|
retval=$?
|
|
if [ $retval != 0 ]; then
|
|
Logger "Deletion on replica $replica_type failed." "CRITICAL"
|
|
exit 1
|
|
fi
|
|
else
|
|
REPLICA_DIR="$TARGET_SYNC_DIR"
|
|
DELETE_DIR="$TARGET_DELETE_DIR"
|
|
|
|
if [ "$REMOTE_OPERATION" == "yes" ]; then
|
|
_delete_remote "$REPLICA_DIR" "initiator$deleted_list_file" "$DELETE_DIR" "initiator$deleted_failed_list_file" &
|
|
else
|
|
_delete_local "$REPLICA_DIR" "initiator$deleted_list_file" "$DELETE_DIR" "initiator$deleted_failed_list_file" &
|
|
fi
|
|
WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $FUNCNAME
|
|
retval=$?
|
|
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._delete_remote.$SCRIPT_PID)" "CRITICAL"
|
|
fi
|
|
exit 1
|
|
fi
|
|
fi
|
|
}
|
|
|
|
###### Sync function in 5 steps of each 2 runs (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 3: 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 {
|
|
__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
Logger "Starting synchronization task." "NOTICE"
|
|
CheckConnectivity3rdPartyHosts
|
|
CheckConnectivityRemoteHost
|
|
|
|
if [ -f "$INITIATOR_LAST_ACTION" ] && [ "$RESUME_SYNC" != "no" ]; then
|
|
resume_sync=$(cat "$INITIATOR_LAST_ACTION")
|
|
if [ -f "$INITIATOR_RESUME_COUNT" ]; then
|
|
resume_count=$(cat "$INITIATOR_RESUME_COUNT")
|
|
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 "$INITIATOR_LAST_ACTION") at task [$resume_sync]. [$resume_count] previous tries." "WARN"
|
|
echo $(($resume_count+1)) > "$INITIATOR_RESUME_COUNT"
|
|
else
|
|
resume_sync=none
|
|
fi
|
|
else
|
|
Logger "Will not resume aborted osync execution. Too many resume tries [$resume_count]." "WARN"
|
|
echo "noresume" > "$INITIATOR_LAST_ACTION"
|
|
echo "0" > "$INITIATOR_RESUME_COUNT"
|
|
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" ] || [ "$resume_sync" == "initiator-replica-tree.fail" ]; then
|
|
#initiator_tree_current
|
|
tree_list "$INITIATOR_SYNC_DIR" initiator "$TREE_CURRENT_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[0]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[0]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[0]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[1]}.fail" ]; then
|
|
#target_tree_current
|
|
tree_list "$TARGET_SYNC_DIR" target "$TREE_CURRENT_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[1]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[1]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$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" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNc_ACTION[2]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$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" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[3]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[3]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.fail" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.fail" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.success" ]; then
|
|
if [ "$CONFLICT_PREVALANCE" != "initiator" ]; then
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[3]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.fail" ]; then
|
|
sync_update target initiator "$DELETED_LIST_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[4]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[4]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.fail" ]; then
|
|
sync_update initiator target "$DELETED_LIST_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[5]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[5]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
else
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[3]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.fail" ]; then
|
|
sync_update initiator target "$DELETED_LIST_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[5]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[5]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.fail" ]; then
|
|
sync_update target initiator "$DELETED_LIST_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[4]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[4]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
fi
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[5]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[4]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.fail" ]; then
|
|
deletion_propagation target "$DELETED_LIST_FILENAME" "$FAILED_DELETE_LIST_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[6]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[6]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[6]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[7]}.fail" ]; then
|
|
deletion_propagation initiator "$DELETED_LIST_FILENAME" "$FAILED_DELETE_LIST_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[7]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[7]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[7]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[8]}.fail" ]; then
|
|
#initiator_tree_after
|
|
tree_list "$INITIATOR_SYNC_DIR" initiator "$TREE_AFTER_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[8]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[8]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
if [ "$resume_sync" == "resumed" ] || [ "$resume_sync" == "${SYNC_ACTION[8]}.success" ] || [ "$resume_sync" == "${SYNC_ACTION[9]}.fail" ]; then
|
|
#target_tree_after
|
|
tree_list "$TARGET_SYNC_DIR" target "$TREE_AFTER_FILENAME"
|
|
if [ $? == 0 ]; then
|
|
echo "${SYNC_ACTION[9]}.success" > "$INITIATOR_LAST_ACTION"
|
|
else
|
|
echo "${SYNC_ACTION[9]}.fail" > "$INITIATOR_LAST_ACTION"
|
|
fi
|
|
resume_sync="resumed"
|
|
fi
|
|
|
|
Logger "Finished synchronization task." "NOTICE"
|
|
echo "${SYNC_ACTION[10]}" > "$INITIATOR_LAST_ACTION"
|
|
|
|
echo "0" > "$INITIATOR_RESUME_COUNT"
|
|
}
|
|
|
|
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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
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.$SCRIPT_PID"
|
|
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$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.$SCRIPT_PID"
|
|
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$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.$SCRIPT_PID" 2>&1 &
|
|
else
|
|
Dummy &
|
|
fi
|
|
WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $FUNCNAME
|
|
retval=$?
|
|
if [ $retval -ne 0 ]; then
|
|
Logger "Error while executing cleanup on $replica_type replica." "ERROR"
|
|
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
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 [ -w \"'$replica_deletion_path'\" ]; then '$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 \"Directory not writable\"; return 1; fi" > "'$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID'" 2>&1'
|
|
Logger "cmd: $cmd" "DEBUG"
|
|
eval "$cmd" &
|
|
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)" "NOTICE"
|
|
fi
|
|
|
|
if [ $_DRYRUN -ne 1 ]; then
|
|
cmd=$SSH_CMD' "if [ -w \"'$replica_deletion_path'\" ]; then '$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 \"Directory not writable\"; return 1; fi" > "'$RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID'" 2>&1'
|
|
Logger "cmd: $cmd" "DEBUG"
|
|
eval "$cmd" &
|
|
else
|
|
Dummy &
|
|
fi
|
|
WaitForCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $FUNCNAME
|
|
retval=$?
|
|
if [ $retval -ne 0 ]; then
|
|
Logger "Error while executing cleanup on remote target replica." "ERROR"
|
|
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.$FUNCNAME.$SCRIPT_PID)" "NOTICE"
|
|
else
|
|
Logger "Cleanup complete on target replica." "NOTICE"
|
|
fi
|
|
}
|
|
|
|
function SoftDelete {
|
|
__CheckArguments 0 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
if [ "$CONFLICT_BACKUP" != "no" ] && [ $CONFLICT_BACKUP_DAYS -ne 0 ]; then
|
|
Logger "Running conflict backup cleanup." "NOTICE"
|
|
|
|
_SoftDeleteLocal "intiator" "$INITIATOR_SYNC_DIR$INITIATOR_BACKUP_DIR" $CONFLICT_BACKUP_DAYS
|
|
if [ "$REMOTE_OPERATION" != "yes" ]; then
|
|
_SoftDeleteLocal "target" "$TARGET_SYNC_DIR$TARGET_BACKUP_DIR" $CONFLICT_BACKUP_DAYS
|
|
else
|
|
_SoftDeleteRemote "target" "$TARGET_SYNC_DIR$TARGET_BACKUP_DIR" $CONFLICT_BACKUP_DAYS
|
|
fi
|
|
fi
|
|
|
|
if [ "$SOFT_DELETE" != "no" ] && [ $SOFT_DELETE_DAYS -ne 0 ]; then
|
|
Logger "Running soft deletion cleanup." "NOTICE"
|
|
|
|
_SoftDeleteLocal "initiator" "$INITIATOR_SYNC_DIR$INITIATOR_DELETE_DIR" $SOFT_DELETE_DAYS
|
|
if [ "$REMOTE_OPERATION" != "yes" ]; then
|
|
_SoftDeleteLocal "target" "$TARGET_SYNC_DIR$TARGET_DELETE_DIR" $SOFT_DELETE_DAYS
|
|
else
|
|
_SoftDeleteRemote "target" "$TARGET_SYNC_DIR$TARGET_DELETE_DIR" $SOFT_DELETE_DAYS
|
|
fi
|
|
fi
|
|
}
|
|
|
|
function Init {
|
|
__CheckArguments 0 $# $FUNCNAME "$@" #__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 [ $sync_on_changes -eq 0 ]; then
|
|
trap TrapStop SIGINT SIGKILL SIGHUP SIGTERM SIGQUIT
|
|
trap TrapQuit SIGKILL EXIT
|
|
else
|
|
trap TrapQuit SIGTERM EXIT SIGKILL SIGHUP SIGQUIT
|
|
fi
|
|
|
|
## Test if target dir is a ssh uri, and if yes, break it down it its values
|
|
if [ "${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="${TARGET_SYNC_DIR%/}/"
|
|
|
|
INITIATOR_STATE_DIR="$INITIATOR_SYNC_DIR$OSYNC_DIR/state"
|
|
TARGET_STATE_DIR="$TARGET_SYNC_DIR$OSYNC_DIR/state"
|
|
STATE_DIR="$OSYNC_DIR/state"
|
|
INITIATOR_LOCKFILE="$INITIATOR_STATE_DIR/lock"
|
|
TARGET_LOCKFILE="$TARGET_STATE_DIR/lock"
|
|
|
|
## Working directories to keep backups of updated / deleted files
|
|
INITIATOR_BACKUP_DIR="$OSYNC_DIR/backups"
|
|
INITIATOR_DELETE_DIR="$OSYNC_DIR/deleted"
|
|
TARGET_BACKUP_DIR="$OSYNC_DIR/backups"
|
|
TARGET_DELETE_DIR="$OSYNC_DIR/deleted"
|
|
|
|
## Partial downloads dirs
|
|
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
|
|
|
|
if [ "$PARTIAL" == "yes" ]; then
|
|
SYNC_OPTS=$SYNC_OPTS" --partial --partial-dir=\"$PARTIAL_DIR\""
|
|
RSYNC_PATTERNS="$RSYNC_PATTERNS --exclude=\"$PARTIAL_DIR\""
|
|
fi
|
|
|
|
## Conflict options
|
|
if [ "$CONFLICT_BACKUP" != "no" ]; then
|
|
INITIATOR_BACKUP="--backup --backup-dir=\"$INITIATOR_BACKUP_DIR\""
|
|
TARGET_BACKUP="--backup --backup-dir=\"$TARGET_BACKUP_DIR\""
|
|
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
|
|
|
|
## Add Rsync include / exclude patterns
|
|
RsyncPatterns
|
|
|
|
## Filenames for state files
|
|
if [ $_DRYRUN -eq 1 ]; then
|
|
dry_suffix="-dry"
|
|
fi
|
|
|
|
TREE_CURRENT_FILENAME="-tree-current-$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"
|
|
INITIATOR_LAST_ACTION="$INITIATOR_STATE_DIR/last-action-$INSTANCE_ID$dry_suffix"
|
|
INITIATOR_RESUME_COUNT="$INITIATOR_STATE_DIR/resume-count-$INSTANCE_ID$dry_suffix"
|
|
|
|
## Sync function actions (0-9)
|
|
SYNC_ACTION=(
|
|
'initiator-replica-tree'
|
|
'target-replica-tree'
|
|
'initiator-deleted-list'
|
|
'target-deleted-list'
|
|
'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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
CreateStateDirs
|
|
CheckLocks
|
|
Sync
|
|
}
|
|
|
|
function Usage {
|
|
__CheckArguments 0 $# $FUNCNAME "$@" #__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 $# $FUNCNAME "$@" #__WITH_PARANOIA_DEBUG
|
|
|
|
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 $RSYNC_PATTERNS -qq -r -e create -e modify -e delete -e move -e attrib --timeout "$MAX_WAIT" "$INITIATOR_SYNC_DIR" &
|
|
OSYNC_SUB_PID=$!
|
|
wait $OSYNC_SUB_PID
|
|
retval=$?
|
|
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=""
|
|
soft_alert_total=0
|
|
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
|
|
PreInit
|
|
Init
|
|
PostInit
|
|
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
|