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pull/36/head
deajan 9 years ago
parent 1f4a6a2b11
commit d65eea5c73
1 changed files with 48 additions and 36 deletions
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osync.sh
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@ -4,7 +4,7 @@ PROGRAM="Osync" # Rsync based two way sync engine with fault tolerance
AUTHOR="(L) 2013-2015 by Orsiris \"Ozy\" de Jong" AUTHOR="(L) 2013-2015 by Orsiris \"Ozy\" de Jong"
CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr" CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr"
PROGRAM_VERSION=1.1-dev PROGRAM_VERSION=1.1-dev
PROGRAM_BUILD=2015090901 PROGRAM_BUILD=2015090902
## type doesn't work on platforms other than linux (bash). If if doesn't work, always assume output is not a zero exitcode ## type doesn't work on platforms other than linux (bash). If if doesn't work, always assume output is not a zero exitcode
if ! type -p "$BASH" > /dev/null; then if ! type -p "$BASH" > /dev/null; then
@ -1035,22 +1035,22 @@ function tree_list {
# 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 (master/slave) # 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 $1 (master/slave)
function delete_list { function delete_list {
local replica_type="${1}" # replica type: master, slave local replica_type="${1}" # replica type: master, slave
local tree_file_after_filename="${2}" # tree-file-after, will be prefixed with replica type local tree_file_after="${2}" # tree-file-after, will be prefixed with replica type
local tree_file_current_filename="${3}" # tree-file-current, will be prefixed with replica type local tree_file_current="${3}" # tree-file-current, will be prefixed with replica type
local deleted_list_file_filename="${4}" # file containing deleted file list, will be prefixed with replica type local deleted_list_file="${4}" # file containing deleted file list, will be prefixed with replica type
local deleted_failed_list_file_filename="${5}" # file containing files that couldn't be deleted on last run, will be prefixed with replica type local deleted_failed_list_file="${5}" # file containing files that couldn't be deleted on last run, will be prefixed with replica type
# TODO: WIP here # TODO: Check why external filenames are used (see dryrun option because of NOSUFFIX)
Logger "Creating $replica_type replica deleted file list." "NOTICE" Logger "Creating $replica_type replica deleted file list." "NOTICE"
if [ -f "$MASTER_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX" ]; then if [ -f "$MASTER_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX" ]; then
## Same functionnality, comm is much faster than grep but is not available on every platform ## Same functionnality, comm is much faster than grep but is not available on every platform
if type -p comm > /dev/null 2>&1 if type -p comm > /dev/null 2>&1
then then
cmd="comm -23 \"$MASTER_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" \"$MASTER_STATE_DIR/$replica_type$3\" > \"$MASTER_STATE_DIR/$replica_type$4\"" cmd="comm -23 \"$MASTER_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" \"$MASTER_STATE_DIR/$replica_type$tree_file_current\" > \"$MASTER_STATE_DIR/$replica_type$deleted_list_file\""
else else
## The || : forces the command to have a good result ## The || : forces the command to have a good result
cmd="(grep -F -x -v -f \"$MASTER_STATE_DIR/$replica_type$3\" \"$MASTER_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" || :) > \"$MASTER_STATE_DIR/$replica_type$4\"" cmd="(grep -F -x -v -f \"$MASTER_STATE_DIR/$replica_type$tree_file_current\" \"$MASTER_STATE_DIR/$replica_type$TREE_AFTER_FILENAME_NO_SUFFIX\" || :) > \"$MASTER_STATE_DIR/$replica_type$deleted_list_file\""
fi fi
Logger "CMD: $cmd" "DEBUG" Logger "CMD: $cmd" "DEBUG"
@ -1058,14 +1058,14 @@ function delete_list {
retval=$? retval=$?
# Add delete failed file list to current delete list and then empty it # Add delete failed file list to current delete list and then empty it
if [ -f "$MASTER_STATE_DIR/$replica_type$5" ]; then if [ -f "$MASTER_STATE_DIR/$replica_type$deleted_failed_list_file" ]; then
cat "$MASTER_STATE_DIR/$replica_type$5" >> "$MASTER_STATE_DIR/$replica_type$4" cat "$MASTER_STATE_DIR/$replica_type$deleted_failed_list_file" >> "$MASTER_STATE_DIR/$replica_type$deleted_list_file"
rm -f "$MASTER_STATE_DIR/$replica_type$5" rm -f "$MASTER_STATE_DIR/$replica_type$deleted_failed_list_file"
fi fi
return $retval return $retval
else else
touch "$MASTER_STATE_DIR/$replica_type$4" touch "$MASTER_STATE_DIR/$replica_type$deleted_list_file"
return $retval return $retval
fi fi
} }
@ -1125,52 +1125,57 @@ function sync_update {
# delete_local(replica dir, delete file list, delete dir, delete failed file) # delete_local(replica dir, delete file list, delete dir, delete failed file)
function _delete_local { function _delete_local {
local replica_dir="${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="${4}" # file containing files that couldn't be deleted on last run, will be prefixed with replica type
## On every run, check wheter the next item is already deleted because it's included in a directory already deleted ## On every run, check wheter the next item is already deleted because it's included in a directory already deleted
previous_file="" previous_file=""
OLD_IFS=$IFS OLD_IFS=$IFS
IFS=$'\r\n' IFS=$'\r\n'
for files in $(cat "$MASTER_STATE_DIR/$2") for files in $(cat "$MASTER_STATE_DIR/$deleted_list_file")
do do
if [[ "$files" != "$previous_file/"* ]] && [ "$files" != "" ]; then if [[ "$files" != "$previous_file/"* ]] && [ "$files" != "" ]; then
if [ "$SOFT_DELETE" != "no" ]; then if [ "$SOFT_DELETE" != "no" ]; then
if [ ! -d "$REPLICA_DIR$3" ]; then if [ ! -d "$replica_dir$deletion_dir" ]; then
mkdir -p "$REPLICA_DIR$3" mkdir -p "$replica_dir$deletion_dir"
if [ $? != 0 ]; then if [ $? != 0 ]; then
Logger "Cannot create replica deletion directory." "ERROR" Logger "Cannot create replica deletion directory." "ERROR"
fi fi
fi fi
if [ $verbose -eq 1 ]; then if [ $verbose -eq 1 ]; then
Logger "Soft deleting $REPLICA_DIR$files" "NOTICE" Logger "Soft deleting $replica_dir$files" "NOTICE"
fi fi
if [ $dryrun -ne 1 ]; then if [ $dryrun -ne 1 ]; then
if [ -e "$REPLICA_DIR$3/$files" ]; then if [ -e "$replica_dir$deletion_dir/$files" ]; then
rm -rf "$REPLICA_DIR$3/$files" rm -rf "$replica_dir$deletion_dir/$files"
fi fi
# In order to keep full path on soft deletion, create parent directories before move # In order to keep full path on soft deletion, create parent directories before move
parentdir="$(dirname "$files")" parentdir="$(dirname "$files")"
if [ "$parentdir" != "." ]; then if [ "$parentdir" != "." ]; then
mkdir --parents "$REPLICA_DIR$3/$parentdir" mkdir --parents "$replica_dir$deletion_dir/$parentdir"
mv -f "$REPLICA_DIR$files" "$REPLICA_DIR$3/$parentdir" mv -f "$replica_dir$files" "$replica_dir$deletion_dir/$parentdir"
else else
mv -f "$REPLICA_DIR$files" "$REPLICA_DIR$3" mv -f "$replica_dir$files" "$replica_dir$deletion_dir"
fi fi
if [ $? != 0 ]; then if [ $? != 0 ]; then
Logger "Cannot move $REPLICA_DIR$files to deletion directory." "ERROR" Logger "Cannot move $replica_dir$files to deletion directory." "ERROR"
echo "$files" >> "$MASTER_STATE_DIR/$4" echo "$files" >> "$MASTER_STATE_DIR/$deleted_failed_list_file"
fi fi
fi fi
else else
if [ $verbose -eq 1 ]; then if [ $verbose -eq 1 ]; then
Logger "Deleting $REPLICA_DIR$files" "NOTICE" Logger "Deleting $replica_dir$files" "NOTICE"
fi fi
if [ $dryrun -ne 1 ]; then if [ $dryrun -ne 1 ]; then
rm -rf "$REPLICA_DIR$files" rm -rf "$replica_dir$files"
if [ $? != 0 ]; then if [ $? != 0 ]; then
Logger "Cannot delete $REPLICA_DIR$files" "ERROR" Logger "Cannot delete $replica_dir$files" "ERROR"
echo "$files" >> "$MASTER_STATE_DIR/$4" echo "$files" >> "$MASTER_STATE_DIR/$deleted_failed_list_file"
fi fi
fi fi
fi fi
@ -1180,8 +1185,12 @@ function _delete_local {
IFS=$OLD_IFS IFS=$OLD_IFS
} }
# delete_remote(replica dir, delete file list, delete dir, delete fail file list)
function _delete_remote { 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 couldn't be deleted on last run, will be prefixed with replica type
## This is a special coded function. Need to redelcare local functions on remote host, passing all needed variables as escaped arguments to ssh command. ## 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 ## Anything beetween << ENDSSH and ENDSSH will be executed remotely
@ -1198,7 +1207,7 @@ function _delete_remote {
exit 1 exit 1
fi 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 "$SLAVE_STATE_DIR/$2")" REPLICA_DIR="$(EscapeSpaces "$REPLICA_DIR")" DELETE_DIR="$(EscapeSpaces "$DELETE_DIR")" FAILED_DELETE_LIST="$(EscapeSpaces "$SLAVE_STATE_DIR/$4")" 'bash -s' << 'ENDSSH' > $RUN_DIR/osync_remote_deletion_$SCRIPT_PID 2>&1 & $SSH_CMD error_alert=0 sync_on_changes=$sync_on_changes silent=$silent DEBUG=$DEBUG dryrun=$dryrun verbose=$verbose COMMAND_SUDO=$COMMAND_SUDO FILE_LIST="$(EscapeSpaces "$SLAVE_STATE_DIR/$deleted_list_file")" REPLICA_DIR="$(EscapeSpaces "$replica_dir")" DELETE_DIR="$(EscapeSpaces "$deletion_dir")" FAILED_DELETE_LIST="$(EscapeSpaces "$SLAVE_STATE_DIR/$deleted_failed_list_file")" 'bash -s' << 'ENDSSH' > $RUN_DIR/osync_remote_deletion_$SCRIPT_PID 2>&1 &
## The following lines are executed remotely ## The following lines are executed remotely
function _logger { function _logger {
@ -1322,20 +1331,23 @@ ENDSSH
# delete_propagation(replica name, deleted_list_filename, deleted_failed_file_list) # delete_propagation(replica name, deleted_list_filename, deleted_failed_file_list)
# replica name = "master" / "slave"
function deletion_propagation { function deletion_propagation {
Logger "Propagating deletions to $1 replica." "NOTICE" local replica_type="${1}" # Contains replica type: master, slave
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 couldn't be deleted on last run, will be prefixed with replica type
Logger "Propagating deletions to $replica_type replica." "NOTICE"
if [ "$1" == "master" ]; then if [ "$replica_type" == "master" ]; then
REPLICA_DIR="$MASTER_SYNC_DIR" REPLICA_DIR="$MASTER_SYNC_DIR"
DELETE_DIR="$MASTER_DELETE_DIR" DELETE_DIR="$MASTER_DELETE_DIR"
_delete_local "$REPLICA_DIR" "slave$2" "$DELETE_DIR" "slave$3" & _delete_local "$REPLICA_DIR" "slave$deleted_list_file" "$DELETE_DIR" "slave$deleted_failed_list_file" &
child_pid=$! child_pid=$!
WaitForCompletion $child_pid $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME WaitForCompletion $child_pid $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME
retval=$? retval=$?
if [ $retval != 0 ]; then if [ $retval != 0 ]; then
Logger "Deletion on replica $1 failed." "CRITICAL" Logger "Deletion on replica $replica_type failed." "CRITICAL"
exit 1 exit 1
fi fi
else else
@ -1343,9 +1355,9 @@ function deletion_propagation {
DELETE_DIR="$SLAVE_DELETE_DIR" DELETE_DIR="$SLAVE_DELETE_DIR"
if [ "$REMOTE_SYNC" == "yes" ]; then if [ "$REMOTE_SYNC" == "yes" ]; then
_delete_remote "$REPLICA_DIR" "master$2" "$DELETE_DIR" "master$3" & _delete_remote "$REPLICA_DIR" "master$deleted_list_file" "$DELETE_DIR" "master$deleted_failed_list_file" &
else else
_delete_local "$REPLICA_DIR" "master$2" "$DELETE_DIR" "master$3" & _delete_local "$REPLICA_DIR" "master$deleted_list_file" "$DELETE_DIR" "master$deleted_failed_list_file" &
fi fi
child_pid=$! child_pid=$!
WaitForCompletion $child_pid $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME WaitForCompletion $child_pid $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME

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