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Code cleanup
This commit is contained in:
deajan
parent
58a601154a
commit
ed30118e36
141
obackup.sh
141
obackup.sh
@ -3,7 +3,7 @@
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###### Remote (or local) backup script for files & databases
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###### (L) 2013 by Orsiris "Ozy" de Jong (www.netpower.fr)
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OBACKUP_VERSION=1.84RC1
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OBACKUP_BUILD=1807201301
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OBACKUP_BUILD=2007201302
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DEBUG=no
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SCRIPT_PID=$$
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@ -261,17 +261,24 @@ function WaitForTaskCompletion
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if [ $EXEC_TIME -gt $3 ] && [ $3 != 0 ]
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then
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LogError "Max hard execution time exceeded for task. Stopping task execution."
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kill -9 $1
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kill -s SIGTERM $1
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if [ $? == 0 ]
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then
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LogError "Task stopped succesfully"
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else
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LogError "Could not stop task."
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LogError "Sending SIGTERM to process failed. Trying the hard way."
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kill -9 $1
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if [ $? != 0 ]
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then
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LogError "Could not stop task."
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fi
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fi
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return 1
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fi
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fi
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done
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wait $child_pid
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return $?
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}
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@ -279,7 +286,7 @@ function WaitForTaskCompletion
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function RunLocalCommand
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{
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CheckConnectivity3rdPartyHosts
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$1 > /dev/shm/obackup_run_local_$SCRIPT_PID &
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$1 > /dev/shm/obackup_run_local_$SCRIPT_PID 2>&1 &
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child_pid=$!
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WaitForTaskCompletion $child_pid 0 $2
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retval=$?
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@ -289,9 +296,11 @@ function RunLocalCommand
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else
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Log "Running command [$1] on local host failed."
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fi
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Log "Command output:"
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Log "$(cat /dev/shm/obackup_run_local_$SCRIPT_PID)"
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if [ $verbose -eq 1 ]
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then
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Log "Command output:\n$(cat /dev/shm/obackup_run_local_$SCRIPT_PID)"
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fi
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}
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## Runs remote command $1 and waits for completition in $2 seconds
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@ -306,7 +315,7 @@ function RunRemoteCommand
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LogError "Connectivity test failed. Cannot run remote command."
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return 1
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else
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$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT "$1" > /dev/shm/obackup_run_remote_$SCRIPT_PID &
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eval "$SSH_CMD \"$1\" > /dev/shm/obackup_run_remote_$SCRIPT_PID 2>&1 &"
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fi
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child_pid=$!
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WaitForTaskCompletion $child_pid 0 $2
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@ -318,9 +327,9 @@ function RunRemoteCommand
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LogError "Running command [$1] failed."
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fi
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if [ -f /dev/shm/obackup_run_remote_$SCRIPT_PID ]
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if [ -f /dev/shm/obackup_run_remote_$SCRIPT_PID ] && [ $verbose -eq 1 ]
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then
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Log "Command output: $(cat /dev/shm/obackup_run_remote_$SCRIPT_PID)"
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Log "Command output:\n$(cat /dev/shm/obackup_run_remote_$SCRIPT_PID)"
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fi
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fi
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}
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@ -351,48 +360,6 @@ function RunAfterHook
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fi
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}
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function SetCompressionOptions
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{
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if [ "$COMPRESSION_PROGRAM" == "xz" ] && type -p xz > /dev/null 2>&1
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then
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COMPRESSION_EXTENSION=.xz
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elif [ "$COMPRESSION_PROGRAM" == "lzma" ] && type -p lzma > /dev/null 2>&1
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then
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COMPRESSION_EXTENSION=.lzma
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elif [ "$COMPRESSION_PROGRAM" == "gzip" ] && type -p gzip > /dev/null 2>&1
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then
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COMPRESSION_EXTENSION=.gz
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COMPRESSION_OPTIONS=--rsyncable
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else
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COMPRESSION_EXTENSION=
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fi
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if [ "$SSH_COMPRESSION" == "yes" ]
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then
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SSH_COMP=-C
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else
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SSH_COMP=
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fi
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}
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function SetSudoOptions
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{
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## Add this to support prior config files without RSYNC_EXECUTABLE option
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if [ "$RSYNC_EXECUTABLE" == "" ]
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then
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RSYNC_EXECUTABLE=rsync
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fi
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if [ "$SUDO_EXEC" == "yes" ]
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then
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RSYNC_PATH="sudo $(which $RSYNC_EXECUTABLE)"
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COMMAND_SUDO="sudo"
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else
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RSYNC_PATH="$(which $RSYNC_EXECUTABLE)"
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COMMAND_SUDO=""
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fi
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}
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function CreateLocalStorageDirectories
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{
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if [ ! -d $LOCAL_SQL_STORAGE ] && [ "$BACKUP_SQL" != "no" ]
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@ -545,7 +512,7 @@ function ListDatabases
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LogError "Connectivity test failed. Stopping current task."
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Dummy &
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else
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$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT "mysql -u $SQL_USER -Bse 'SELECT table_schema, round(sum( data_length + index_length ) / 1024) FROM information_schema.TABLES GROUP by table_schema;'" > /dev/shm/obackup_dblist_$SCRIPT_PID &
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eval "$SSH_CMD \"mysql -u $SQL_USER -Bse 'SELECT table_schema, round(sum( data_length + index_length ) / 1024) FROM information_schema.TABLES GROUP by table_schema;'\" > /dev/shm/obackup_dblist_$SCRIPT_PID &"
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fi
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else
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mysql -u $SQL_USER -Bse 'SELECT table_schema, round(sum( data_length + index_length ) / 1024) FROM information_schema.TABLES GROUP by table_schema;' > /dev/shm/obackup_dblist_$SCRIPT_PID &
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@ -618,7 +585,7 @@ function BackupDatabase
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LogError "Connectivity test failed. Stopping current task."
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exit 1
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fi
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$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT mysqldump -u $SQL_USER --skip-lock-tables --single-transaction --database $1 | $COMPRESSION_PROGRAM -$COMPRESSION_LEVEL $COMPRESSION_OPTIONS > $LOCAL_SQL_STORAGE/$1.sql$COMPRESSION_EXTENSION
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eval "$SSH_CMD mysqldump -u $SQL_USER --skip-lock-tables --single-transaction --database $1 | $COMPRESSION_PROGRAM -$COMPRESSION_LEVEL $COMPRESSION_OPTIONS > $LOCAL_SQL_STORAGE/$1.sql$COMPRESSION_EXTENSION"
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elif [ "$REMOTE_BACKUP" == "yes" ] && [ "$COMPRESSION_REMOTE" == "yes" ]
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then
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CheckConnectivityRemoteHost
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@ -627,7 +594,7 @@ function BackupDatabase
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LogError "Connectivity test failed. Stopping current task."
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exit 1
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fi
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$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT "mysqldump -u $SQL_USER --skip-lock-tables --single-transaction --database $1 | $COMPRESSION_PROGRAM -$COMPRESSION_LEVEL $COMPRESSION_OPTIONS" > $LOCAL_SQL_STORAGE/$1.sql$COMPRESSION_EXTENSION
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eval "$SSH_CMD \"mysqldump -u $SQL_USER --skip-lock-tables --single-transaction --database $1 | $COMPRESSION_PROGRAM -$COMPRESSION_LEVEL $COMPRESSION_OPTIONS\" > $LOCAL_SQL_STORAGE/$1.sql$COMPRESSION_EXTENSION"
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else
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mysqldump -u $SQL_USER --skip-lock-tables --single-transaction --database $1 | $COMPRESSION_PROGRAM -$COMPRESSION_LEVEL $COMPRESSION_OPTIONS > $LOCAL_SQL_STORAGE/$1.sql$COMPRESSION_EXTENSION
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fi
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@ -673,10 +640,10 @@ function ListDirectories
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LogError "Connectivity test failed. Stopping current task."
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Dummy &
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else
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$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT "$COMMAND_SUDO find $i/ -mindepth 1 -maxdepth 1 -type d" > /dev/shm/obackup_dirs_recurse_list_$SCRIPT_PID &
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eval "$SSH_CMD \"$COMMAND_SUDO find $i/ -mindepth 1 -maxdepth 1 -type d\" > /dev/shm/obackup_dirs_recurse_list_$SCRIPT_PID &"
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fi
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else
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$COMMAND_SUDO find $i/ -mindepth 1 -maxdepth 1 -type d > /dev/shm/obackup_dirs_recurse_list_$SCRIPT_PID &
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c $COMMAND_SUDO find $i/ -mindepth 1 -maxdepth 1 -type d > /dev/shm/obackup_dirs_recurse_list_$SCRIPT_PID &
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fi
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child_pid=$!
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WaitForTaskCompletion $child_pid $SOFT_MAX_EXEC_TIME_FILE_TASK $HARD_MAX_EXEC_TIME_FILE_TASK
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@ -746,7 +713,7 @@ function GetDirectoriesSize
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LogError "Connectivity test failed. Stopping current task."
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Dummy &
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else
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$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT "echo $dir_list | xargs $COMMAND_SUDO du -cs | tail -n1 | cut -f1" > /dev/shm/obackup_fsize_$SCRIPT_PID &
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eval "$SSH_CMD \"echo $dir_list | xargs $COMMAND_SUDO du -cs | tail -n1 | cut -f1\" > /dev/shm/obackup_fsize_$SCRIPT_PID &"
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fi
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else
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echo $dir_list | xargs $COMMAND_SUDO du -cs | tail -n1 | cut -f1 > /dev/shm/obackup_fsize_$SCRIPT_PID &
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@ -832,12 +799,12 @@ function Rsync
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LogError "Connectivity test failed. Stopping current task."
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exit 1
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fi
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rsync_cmd="$(which $RSYNC_EXECUTABLE) $RSYNC_ARGS --delete $RSYNC_EXCLUDE --rsync-path=\"$RSYNC_PATH\" -e \"$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY -p $REMOTE_PORT\" \"$REMOTE_USER@$REMOTE_HOST:$1\" \"$local_file_storage_path\" > /dev/shm/obackup_rsync_output_$SCRIPT_PID 2>&1"
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rsync_cmd="$(which $RSYNC_EXECUTABLE) $RSYNC_ARGS --delete $RSYNC_EXCLUDE --rsync-path=\"$RSYNC_PATH\" -e \"$RSYNC_SSH_CMD\" \"$REMOTE_USER@$REMOTE_HOST:$1\" \"$local_file_storage_path\" > /dev/shm/obackup_rsync_output_$SCRIPT_PID 2>&1"
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else
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rsync_cmd="$(which $RSYNC_EXECUTABLE) $RSYNC_ARGS --delete $RSYNC_EXCLUDE --rsync-path=\"$RSYNC_PATH\" \"$1\" \"$local_file_storage_path\" > /dev/shm/obackup_rsync_output_$SCRIPT_PID 2>&1"
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fi
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#### Eval is used so the full command is processed without bash adding single quotes round variables
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if [ "$DEBUG" == "yes" ]
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if [ $verbose -eq 1 ]
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then
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Log $rsync_cmd
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fi
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@ -945,15 +912,52 @@ function Init
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LOG_FILE=/var/log/obackup_$OBACKUP_VERSION-$BACKUP_ID.log
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MAIL_ALERT_MSG="Warning: Execution of obackup instance $BACKUP_ID (pid $SCRIPT_PID) as $LOCAL_USER@$LOCAL_HOST produced errors."
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## Set SSH command
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if [ "$SSH_COMPRESSION" == "yes" ]
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then
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SSH_COMP=-C
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else
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SSH_COMP=
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fi
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SSH_CMD="$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT"
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RSYNC_SSH_CMD="$(which ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY -p $REMOTE_PORT"
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## Support for older config files without RSYNC_EXECUTABLE option
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if [ "$RSYNC_EXECUTABLE" == "" ]
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then
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RSYNC_EXECUTABLE=rsync
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fi
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## Sudo execution option
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if [ "$SUDO_EXEC" == "yes" ]
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then
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RSYNC_PATH="sudo $(which $RSYNC_EXECUTABLE)"
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COMMAND_SUDO="sudo"
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else
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RSYNC_PATH="$(which $RSYNC_EXECUTABLE)"
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COMMAND_SUDO=""
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fi
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## Set compression executable and extension
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if [ "$COMPRESSION_PROGRAM" == "xz" ] && type -p xz > /dev/null 2>&1
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then
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COMPRESSION_EXTENSION=.xz
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elif [ "$COMPRESSION_PROGRAM" == "lzma" ] && type -p lzma > /dev/null 2>&1
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then
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COMPRESSION_EXTENSION=.lzma
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elif [ "$COMPRESSION_PROGRAM" == "gzip" ] && type -p gzip > /dev/null 2>&1
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then
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COMPRESSION_EXTENSION=.gz
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COMPRESSION_OPTIONS=--rsyncable
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else
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COMPRESSION_EXTENSION=
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fi
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}
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function DryRun
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{
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Log "/!\ DRY RUN as $LOCAL_USER@$LOCAL_HOST (PID $SCRIPT_PID)"
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SetCompressionOptions
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SetSudoOptions
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if [ "$BACKUP_SQL" != "no" ]
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then
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ListDatabases
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@ -976,9 +980,6 @@ function Main
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{
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Log "Backup launched as $LOCAL_USER@$LOCAL_HOST (PID $SCRIPT_PID)"
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SetCompressionOptions
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SetSudoOptions
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if [ "$BACKUP_SQL" != "no" ]
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then
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ListDatabases
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@ -1017,7 +1018,7 @@ function Usage
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{
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echo "Obackup $OBACKUP_VERSION $OBACKUP_BUILD"
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echo ""
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echo "usage: obackup backup_name [--dry] [--silent]"
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echo "usage: obackup backup_name [--dry] [--silent] [--verbose]"
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echo ""
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echo "--dry: will run obackup without actually doing anything, just testing"
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echo "--silent: will run obackup without any output to stdout, usefull for cron backups"
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@ -1027,6 +1028,7 @@ function Usage
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# Command line argument flags
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dryrun=0
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silent=0
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verbose=0
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# Alert flags
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soft_alert_total=0
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error_alert=0
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@ -1045,7 +1047,10 @@ do
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--silent)
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silent=1
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;;
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--help|-h)
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--verbose)
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verbose=1
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;;
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--help|-h|--version|-v)
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Usage
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;;
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esac
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