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192e1d2f65
obackup/obackup.sh
deajan 192e1d2f65 Added instance run check.
2016-03-03 16:06:27 +01:00

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#!/usr/bin/env bash
###### Remote push/pull (or local) backup script for files & databases
PROGRAM="obackup"
AUTHOR="(L) 2013-2016 by Orsiris de Jong"
CONTACT="http://www.netpower.fr/obackup - ozy@netpower.fr"
PROGRAM_VERSION=2.0-pre
PROGRAM_BUILD=2016030301
IS_STABLE=no
## FUNC_BUILD=2016021803
## BEGIN Generic functions for osync & obackup written in 2013-2016 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr
## type -p does not work on platforms other than linux (bash). If if does not work, always assume output is not a zero exitcode
if ! type "$BASH" > /dev/null; then
echo "Please run this script only with bash shell. Tested on bash >= 3.2"
exit 127
fi
# Environment variables
_DRYRUN=0
_SILENT=0
# Initial error status, logging 'WARN', 'ERROR' or 'CRITICAL' will enable alerts flags
ERROR_ALERT=0
WARN_ALERT=0
## allow debugging from command line with _DEBUG=yes
if [ ! "$_DEBUG" == "yes" ]; then
_DEBUG=no
SLEEP_TIME=.1
_VERBOSE=0
else
SLEEP_TIME=1
trap 'TrapError ${LINENO} $?' ERR
_VERBOSE=1
fi
SCRIPT_PID=$$
LOCAL_USER=$(whoami)
LOCAL_HOST=$(hostname)
## Default log file until config file is loaded
if [ -w /var/log ]; then
LOG_FILE="/var/log/$PROGRAM.log"
else
LOG_FILE="./$PROGRAM.log"
fi
## Default directory where to store temporary run files
if [ -w /tmp ]; then
RUN_DIR=/tmp
elif [ -w /var/tmp ]; then
RUN_DIR=/var/tmp
else
RUN_DIR=.
fi
## Log a state message every $KEEP_LOGGING seconds. Should not be equal to soft or hard execution time so your log will not be unnecessary big.
KEEP_LOGGING=1801
## Correct output of sort command (language agnostic sorting)
export LC_ALL=C
# Standard alert mail body
MAIL_ALERT_MSG="Execution of $PROGRAM instance $INSTANCE_ID on $(date) has warnings/errors."
# Default alert attachment filename
ALERT_LOG_FILE="$RUN_DIR/$PROGRAM.last.log"
# Set error exit code if a piped command fails
set -o pipefail
set -o errtrace
function Dummy {
sleep .1
}
function _Logger {
local svalue="${1}" # What to log to screen
local lvalue="${2:-$svalue}" # What to log to logfile, defaults to screen value
echo -e "$lvalue" >> "$LOG_FILE"
if [ $_SILENT -eq 0 ]; then
echo -e "$svalue"
fi
}
function Logger {
local value="${1}" # Sentence to log (in double quotes)
local level="${2}" # Log level: PARANOIA_DEBUG, DEBUG, NOTICE, WARN, ERROR, CRITIAL
# <OSYNC SPECIFIC> Special case in daemon mode we should timestamp instead of counting seconds
if [ "$sync_on_changes" == "1" ]; then
prefix="$(date) - "
else
prefix="TIME: $SECONDS - "
fi
# </OSYNC SPECIFIC>
if [ "$level" == "CRITICAL" ]; then
_Logger "$prefix\e[41m$value\e[0m" "$prefix$value"
ERROR_ALERT=1
return
elif [ "$level" == "ERROR" ]; then
_Logger "$prefix\e[91m$value\e[0m" "$prefix$value"
ERROR_ALERT=1
return
elif [ "$level" == "WARN" ]; then
_Logger "$prefix\e[93m$value\e[0m" "$prefix$value"
WARN_ALERT=1
return
elif [ "$level" == "NOTICE" ]; then
_Logger "$prefix$value"
return
elif [ "$level" == "DEBUG" ]; then
if [ "$_DEBUG" == "yes" ]; then
_Logger "$prefix$value"
return
fi
else
_Logger "\e[41mLogger function called without proper loglevel.\e[0m"
_Logger "$prefix$value"
fi
}
# Portable child (and grandchild) kill function tester under Linux, BSD and MacOS X
function KillChilds {
local pid="${1}"
local self="${2:-false}"
if children="$(pgrep -P "$pid")"; then
for child in $children; do
KillChilds "$child" true
done
fi
# Try to kill nicely, if not, wait 30 seconds to let Trap actions happen before killing
if [ "$self" == true ]; then
kill -s SIGTERM "$pid" || (sleep 30 && kill -9 "$pid" &)
fi
}
function TrapError {
local job="$0"
local line="$1"
local code="${2:-1}"
if [ $_SILENT -eq 0 ]; then
echo -e " /!\ ERROR in ${job}: Near line ${line}, exit code ${code}"
fi
}
function Spinner {
if [ $_SILENT -eq 1 ]; then
return 0
fi
case $toggle
in
1)
echo -n " \ "
echo -ne "\r"
toggle="2"
;;
2)
echo -n " | "
echo -ne "\r"
toggle="3"
;;
3)
echo -n " / "
echo -ne "\r"
toggle="4"
;;
*)
echo -n " - "
echo -ne "\r"
toggle="1"
;;
esac
}
function SedStripQuotes {
echo $(echo $1 | sed "s/^\([\"']\)\(.*\)\1\$/\2/g")
}
function StripSingleQuotes {
local string="${1}"
string="${string/#\'/}" # Remove singlequote if it begins string
string="${string/%\'/}" # Remove singlequote if it ends string
echo "$string"
}
function StripDoubleQuotes {
local string="${1}"
string="${string/#\"/}"
string="${string/%\"/}"
echo "$string"
}
function StripQuotes {
local string="${1}"
echo "$(StripSingleQuotes $(StripDoubleQuotes $string))"
}
function EscapeSpaces {
local string="${1}" # String on which spaces will be escaped
echo "${string// /\ }"
}
function IsNumeric {
eval "local value=\"${1}\"" # Needed so variable variables can be processed
local re="^-?[0-9]+([.][0-9]+)?$"
if [[ $value =~ $re ]]; then
echo 1
else
echo 0
fi
}
function CleanUp {
if [ "$_DEBUG" != "yes" ]; then
rm -f "$RUN_DIR/$PROGRAM."*".$SCRIPT_PID"
fi
}
function SendAlert {
local mail_no_attachment=
local attachment_command=
if [ "$_DEBUG" == "yes" ]; then
Logger "Debug mode, no warning email will be sent." "NOTICE"
return 0
fi
# <OSYNC SPECIFIC>
if [ "$_QUICK_SYNC" == "2" ]; then
Logger "Current task is a quicksync task. Will not send any alert." "NOTICE"
return 0
fi
# </OSYNC SPECIFIC>
eval "cat \"$LOG_FILE\" $COMPRESSION_PROGRAM > $ALERT_LOG_FILE"
if [ $? != 0 ]; then
Logger "Cannot create [$ALERT_LOG_FILE]" "WARN"
mail_no_attachment=1
else
mail_no_attachment=0
fi
MAIL_ALERT_MSG="$MAIL_ALERT_MSG"$'\n\n'$(tail -n 50 "$LOG_FILE")
if [ $ERROR_ALERT -eq 1 ]; then
subject="Error alert for $INSTANCE_ID"
elif [ $WARN_ALERT -eq 1 ]; then
subject="Warning alert for $INSTANCE_ID"
else
subject="Alert for $INSTANCE_ID"
fi
if [ "$mail_no_attachment" -eq 0 ]; then
attachment_command="-a $ALERT_LOG_FILE"
fi
if type mutt > /dev/null 2>&1 ; then
echo "$MAIL_ALERT_MSG" | $(type -p mutt) -x -s "$subject" $DESTINATION_MAILS $attachment_command
if [ $? != 0 ]; then
Logger "WARNING: Cannot send alert email via $(type -p mutt) !!!" "WARN"
else
Logger "Sent alert mail using mutt." "NOTICE"
return 0
fi
fi
if type mail > /dev/null 2>&1 ; then
if [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V | grep "GNU" > /dev/null; then
attachment_command="-A $ALERT_LOG_FILE"
elif [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V > /dev/null; then
attachment_command="-a $ALERT_LOG_FILE"
else
attachment_command=""
fi
echo "$MAIL_ALERT_MSG" | $(type -p mail) $attachment_command -s "$subject" $DESTINATION_MAILS
if [ $? != 0 ]; then
Logger "WARNING: Cannot send alert email via $(type -p mail) with attachments !!!" "WARN"
echo "$MAIL_ALERT_MSG" | $(type -p mail) -s "$subject" $DESTINATION_MAILS
if [ $? != 0 ]; then
Logger "WARNING: Cannot send alert email via $(type -p mail) without attachments !!!" "WARN"
else
Logger "Sent alert mail using mail command without attachment." "NOTICE"
return 0
fi
else
Logger "Sent alert mail using mail command." "NOTICE"
return 0
fi
fi
if type sendmail > /dev/null 2>&1 ; then
echo -e "Subject:$subject\r\n$MAIL_ALERT_MSG" | $(type -p sendmail) $DESTINATION_MAILS
if [ $? != 0 ]; then
Logger "WARNING: Cannot send alert email via $(type -p sendmail) !!!" "WARN"
else
Logger "Sent alert mail using sendmail command without attachment." "NOTICE"
return 0
fi
fi
if type sendemail > /dev/null 2>&1 ; then
if [ "$SMTP_USER" != "" ] && [ "$SMTP_PASSWORD" != "" ]; then
SMTP_OPTIONS="-xu $SMTP_USER -xp $SMTP_PASSWORD"
else
SMTP_OPTIONS=""
fi
$(type -p sendemail) -f $SENDER_MAIL -t $DESTINATION_MAILS -u "$subject" -m "$MAIL_ALERT_MSG" -s $SMTP_SERVER $SMTP_OPTIONS > /dev/null 2>&1
if [ $? != 0 ]; then
Logger "WARNING: Cannot send alert email via $(type -p sendemail) !!!" "WARN"
else
Logger "Sent alert mail using sendemail command without attachment." "NOTICE"
return 0
fi
fi
# If function has not returned 0 yet, assume it's critical that no alert can be sent
Logger "/!\ CRITICAL: Cannot send alert (neither mutt, mail, sendmail nor sendemail found)." "ERROR" # Is not marked critical because execution must continue
# Delete tmp log file
if [ -f "$ALERT_LOG_FILE" ]; then
rm "$ALERT_LOG_FILE"
fi
}
function LoadConfigFile {
local config_file="${1}"
if [ ! -f "$config_file" ]; then
Logger "Cannot load configuration file [$config_file]. Cannot start." "CRITICAL"
exit 1
elif [[ "$1" != *".conf" ]]; then
Logger "Wrong configuration file supplied [$config_file]. Cannot start." "CRITICAL"
exit 1
else
grep '^[^ ]*=[^;&]*' "$config_file" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" # WITHOUT COMMENTS
# Shellcheck source=./sync.conf
source "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID"
fi
CONFIG_FILE="$config_file"
}
function GetLocalOS {
local local_os_var=
local_os_var="$(uname -spio 2>&1)"
if [ $? != 0 ]; then
local_os_var="$(uname -v 2>&1)"
if [ $? != 0 ]; then
local_os_var="$(uname)"
fi
fi
case $local_os_var in
*"Linux"*)
LOCAL_OS="Linux"
;;
*"BSD"*)
LOCAL_OS="BSD"
;;
*"MINGW32"*)
LOCAL_OS="msys"
;;
*"Darwin"*)
LOCAL_OS="MacOSX"
;;
*)
Logger "Running on >> $local_os_var << not supported. Please report to the author." "ERROR"
exit 1
;;
esac
Logger "Local OS: [$local_os_var]." "DEBUG"
}
function GetRemoteOS {
local cmd=
local remote_os_var=
if [ "$REMOTE_OPERATION" == "yes" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "uname -spio" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 120 240 ${FUNCNAME[0]}"-1"
retval=$?
if [ $retval != 0 ]; then
cmd=$SSH_CMD' "uname -v" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 120 240 ${FUNCNAME[0]}"-2"
retval=$?
if [ $retval != 0 ]; then
cmd=$SSH_CMD' "uname" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 120 240 ${FUNCNAME[0]}"-3"
retval=$?
if [ $retval != 0 ]; then
Logger "Cannot Get remote OS type." "ERROR"
fi
fi
fi
remote_os_var=$(cat "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID")
case $remote_os_var in
*"Linux"*)
REMOTE_OS="Linux"
;;
*"BSD"*)
REMOTE_OS="BSD"
;;
*"MINGW32"*)
REMOTE_OS="msys"
;;
*"Darwin"*)
REMOTE_OS="MacOSX"
;;
*"ssh"*|*"SSH"*)
Logger "Cannot connect to remote system." "CRITICAL"
exit 1
;;
*)
Logger "Running on remote OS failed. Please report to the author if the OS is not supported." "CRITICAL"
Logger "Remote OS said:\n$remote_os_var" "CRITICAL"
exit 1
esac
Logger "Remote OS: [$remote_os_var]." "DEBUG"
fi
}
function WaitForTaskCompletion {
local pid="${1}" # pid to wait for
local soft_max_time="${2}" # If program with pid $pid takes longer than $soft_max_time seconds, will log a warning, unless $soft_max_time equals 0.
local hard_max_time="${3}" # If program with pid $pid takes longer than $hard_max_time seconds, will stop execution, unless $hard_max_time equals 0.
local caller_name="${4}" # Who called this function
local soft_alert=0 # Does a soft alert need to be triggered, if yes, send an alert once
local log_ttime=0 # local time instance for comparaison
local seconds_begin=$SECONDS # Seconds since the beginning of the script
local exec_time=0 # Seconds since the beginning of this function
while eval "$PROCESS_TEST_CMD" > /dev/null
do
Spinner
exec_time=$(($SECONDS - $seconds_begin))
if [ $((($exec_time + 1) % $KEEP_LOGGING)) -eq 0 ]; then
if [ $log_ttime -ne $exec_time ]; then
log_ttime=$exec_time
Logger "Current task still running." "NOTICE"
fi
fi
if [ $exec_time -gt $soft_max_time ]; then
if [ $soft_alert -eq 0 ] && [ $soft_max_time -ne 0 ]; then
Logger "Max soft execution time exceeded for task." "WARN"
soft_alert=1
SendAlert
fi
if [ $exec_time -gt $hard_max_time ] && [ $hard_max_time -ne 0 ]; then
Logger "Max hard execution time exceeded for task. Stopping task execution." "ERROR"
kill -s SIGTERM $pid
if [ $? == 0 ]; then
Logger "Task stopped succesfully" "NOTICE"
else
Logger "Sending SIGTERM to proces failed. Trying the hard way." "ERROR"
sleep 5 && kill -9 $pid
if [ $? != 0 ]; then
Logger "Could not stop task." "ERROR"
fi
fi
return 1
fi
fi
sleep $SLEEP_TIME
done
wait $pid
local retval=$?
return $retval
}
function WaitForCompletion {
local pid="${1}" # pid to wait for
local soft_max_time="${2}" # If program with pid $pid takes longer than $soft_max_time seconds, will log a warning, unless $soft_max_time equals 0.
local hard_max_time="${3}" # If program with pid $pid takes longer than $hard_max_time seconds, will stop execution, unless $hard_max_time equals 0.
local caller_name="${4}" # Who called this function
local soft_alert=0 # Does a soft alert need to be triggered, if yes, send an alert once
local log_ttime=0 # local time instance for comparaison
local seconds_begin=$SECONDS # Seconds since the beginning of the script
local exec_time=0 # Seconds since the beginning of this function
while eval "$PROCESS_TEST_CMD" > /dev/null
do
Spinner
if [ $((($SECONDS + 1) % $KEEP_LOGGING)) -eq 0 ]; then
if [ $log_time -ne $SECONDS ]; then
log_time=$SECONDS
Logger "Current task still running." "NOTICE"
fi
fi
if [ $SECONDS -gt $soft_max_time ]; then
if [ $soft_alert -eq 0 ] && [ $soft_max_time != 0 ]; then
Logger "Max soft execution time exceeded for script." "WARN"
soft_alert=1
SendAlert
fi
if [ $SECONDS -gt $hard_max_time ] && [ $hard_max_time != 0 ]; then
Logger "Max hard execution time exceeded for script. Stopping current task execution." "ERROR"
kill -s SIGTERM $pid
if [ $? == 0 ]; then
Logger "Task stopped succesfully" "NOTICE"
else
Logger "Sending SIGTERM to proces failed. Trying the hard way." "ERROR"
kill -9 $pid
if [ $? != 0 ]; then
Logger "Could not stop task." "ERROR"
fi
fi
return 1
fi
fi
sleep $SLEEP_TIME
done
wait $pid
retval=$?
return $retval
}
function RunLocalCommand {
local command="${1}" # Command to run
local hard_max_time="${2}" # Max time to wait for command to compleet
if [ $_DRYRUN -ne 0 ]; then
Logger "Dryrun: Local command [$command] not run." "NOTICE"
return 0
fi
Logger "Running command [$command] on local host." "NOTICE"
eval "$command" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1 &
WaitForTaskCompletion $! 0 $hard_max_time ${FUNCNAME[0]}
retval=$?
if [ $retval -eq 0 ]; then
Logger "Command succeded." "NOTICE"
else
Logger "Command failed." "ERROR"
fi
if [ $_VERBOSE -eq 1 ] || [ $retval -ne 0 ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
fi
if [ "$STOP_ON_CMD_ERROR" == "yes" ] && [ $retval -ne 0 ]; then
Logger "Stopping on command execution error." "CRITICAL"
exit 1
fi
}
## Runs remote command $1 and waits for completition in $2 seconds
function RunRemoteCommand {
local command="${1}" # Command to run
local hard_max_time="${2}" # Max time to wait for command to compleet
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
if [ $_DRYRUN -ne 0 ]; then
Logger "Dryrun: Local command [$command] not run." "NOTICE"
return 0
fi
Logger "Running command [$command] on remote host." "NOTICE"
cmd=$SSH_CMD' "$command" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 0 $hard_max_time ${FUNCNAME[0]}
retval=$?
if [ $retval -eq 0 ]; then
Logger "Command succeded." "NOTICE"
else
Logger "Command failed." "ERROR"
fi
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ] && ([ $_VERBOSE -eq 1 ] || [ $retval -ne 0 ])
then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
fi
if [ "$STOP_ON_CMD_ERROR" == "yes" ] && [ $retval -ne 0 ]; then
Logger "Stopping on command execution error." "CRITICAL"
exit 1
fi
}
function RunBeforeHook {
if [ "$LOCAL_RUN_BEFORE_CMD" != "" ]; then
RunLocalCommand "$LOCAL_RUN_BEFORE_CMD" $MAX_EXEC_TIME_PER_CMD_BEFORE
fi
if [ "$REMOTE_RUN_BEFORE_CMD" != "" ]; then
RunRemoteCommand "$REMOTE_RUN_BEFORE_CMD" $MAX_EXEC_TIME_PER_CMD_BEFORE
fi
}
function RunAfterHook {
if [ "$LOCAL_RUN_AFTER_CMD" != "" ]; then
RunLocalCommand "$LOCAL_RUN_AFTER_CMD" $MAX_EXEC_TIME_PER_CMD_AFTER
fi
if [ "$REMOTE_RUN_AFTER_CMD" != "" ]; then
RunRemoteCommand "$REMOTE_RUN_AFTER_CMD" $MAX_EXEC_TIME_PER_CMD_AFTER
fi
}
function CheckConnectivityRemoteHost {
if [ "$_PARANOIA_DEBUG" != "yes" ]; then # Do not loose time in paranoia debug
if [ "$REMOTE_HOST_PING" != "no" ] && [ "$REMOTE_OPERATION" != "no" ]; then
eval "$PING_CMD $REMOTE_HOST > /dev/null 2>&1" &
WaitForTaskCompletion $! 180 180 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot ping $REMOTE_HOST" "CRITICAL"
return 1
fi
fi
fi
}
function CheckConnectivity3rdPartyHosts {
if [ "$_PARANOIA_DEBUG" != "yes" ]; then # Do not loose time in paranoia debug
if [ "$REMOTE_3RD_PARTY_HOSTS" != "" ]; then
remote_3rd_party_success=0
OLD_IFS=$IFS
IFS=$' \t\n'
for i in $REMOTE_3RD_PARTY_HOSTS
do
eval "$PING_CMD $i > /dev/null 2>&1" &
WaitForTaskCompletion $! 360 360 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot ping 3rd party host $i" "WARN"
else
remote_3rd_party_success=1
fi
done
IFS=$OLD_IFS
if [ $remote_3rd_party_success -ne 1 ]; then
Logger "No remote 3rd party host responded to ping. No internet ?" "CRITICAL"
return 1
fi
fi
fi
}
#__BEGIN_WITH_PARANOIA_DEBUG
#__END_WITH_PARANOIA_DEBUG
function RsyncPatternsAdd {
local pattern="${1}"
local pattern_type="${2}" # exclude or include
local rest=
# Disable globbing so wildcards from exclusions do not get expanded
set -f
rest="$pattern"
while [ -n "$rest" ]
do
# Take the string until first occurence until $PATH_SEPARATOR_CHAR
str=${rest%%;*}
# Handle the last case
if [ "$rest" = "${rest/$PATH_SEPARATOR_CHAR/}" ]; then
rest=
else
# Cut everything before the first occurence of $PATH_SEPARATOR_CHAR
rest=${rest#*$PATH_SEPARATOR_CHAR}
fi
if [ "$RSYNC_PATTERNS" == "" ]; then
RSYNC_PATTERNS="--"$pattern_type"=\"$str\""
else
RSYNC_PATTERNS="$RSYNC_PATTERNS --"$pattern_type"=\"$str\""
fi
done
set +f
}
function RsyncPatternsFromAdd {
local pattern_from="${1}"
local pattern_type="${2}"
local pattern_from=
## Check if the exclude list has a full path, and if not, add the config file path if there is one
if [ "$(basename $pattern_from)" == "$pattern_from" ]; then
pattern_from="$(dirname $CONFIG_FILE)/$pattern_from"
fi
if [ -e "$pattern_from" ]; then
RSYNC_PATTERNS="$RSYNC_PATTERNS --"$pattern_type"-from=\"$pattern_from\""
fi
}
function RsyncPatterns {
if [ "$RSYNC_PATTERN_FIRST" == "exclude" ]; then
RsyncPatternsAdd "$RSYNC_EXCLUDE_PATTERN" "exclude"
if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "$RSYNC_EXCLUDE_FROM" "exclude"
fi
RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include"
if [ "$RSYNC_INCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "$RSYNC_INCLUDE_FROM" "include"
fi
elif [ "$RSYNC_PATTERN_FIRST" == "include" ]; then
RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include"
if [ "$RSYNC_INCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "$RSYNC_INCLUDE_FROM" "include"
fi
RsyncPatternsAdd "$RSYNC_EXCLUDE_PATTERN" "exclude"
if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "$RSYNC_EXCLUDE_FROM" "exclude"
fi
else
Logger "Bogus RSYNC_PATTERN_FIRST value in config file. Will not use rsync patterns." "WARN"
fi
}
function PreInit {
## SSH compression
if [ "$SSH_COMPRESSION" != "no" ]; then
SSH_COMP=-C
else
SSH_COMP=
fi
## Support for older config files without RSYNC_EXECUTABLE option
if [ "$RSYNC_EXECUTABLE" == "" ]; then
RSYNC_EXECUTABLE=rsync
fi
## Sudo execution option
if [ "$SUDO_EXEC" == "yes" ]; then
if [ "$RSYNC_REMOTE_PATH" != "" ]; then
RSYNC_PATH="sudo $RSYNC_REMOTE_PATH/$RSYNC_EXECUTABLE"
else
RSYNC_PATH="sudo $RSYNC_EXECUTABLE"
fi
COMMAND_SUDO="sudo"
else
if [ "$RSYNC_REMOTE_PATH" != "" ]; then
RSYNC_PATH="$RSYNC_REMOTE_PATH/$RSYNC_EXECUTABLE"
else
RSYNC_PATH="$RSYNC_EXECUTABLE"
fi
COMMAND_SUDO=""
fi
## Set rsync default arguments
RSYNC_ARGS="-rltD"
RSYNC_ATTR_ARGS="-pgo"
if [ "$_DRYRUN" -eq 1 ]; then
RSYNC_DRY_ARG="-n"
DRY_WARNING="/!\ DRY RUN"
else
RSYNC_DRY_ARG=""
fi
if [ "$PRESERVE_ACL" == "yes" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -A"
fi
if [ "$PRESERVE_XATTR" == "yes" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -X"
fi
if [ "$RSYNC_COMPRESS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -z"
fi
if [ "$COPY_SYMLINKS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -L"
fi
if [ "$KEEP_DIRLINKS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -K"
fi
if [ "$PRESERVE_HARDLINKS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -H"
fi
if [ "$CHECKSUM" == "yes" ]; then
RSYNC_TYPE_ARGS=$RSYNC_TYPE_ARGS" --checksum"
fi
if [ "$BANDWIDTH" != "" ] && [ "$BANDWIDTH" != "0" ]; then
RSYNC_ARGS=$RSYNC_ARGS" --bwlimit=$BANDWIDTH"
fi
if [ "$PARTIAL" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" --partial --partial-dir=\"$PARTIAL_DIR\""
RSYNC_PARTIAL_EXCLUDE="--exclude=\"$PARTIAL_DIR\""
fi
if [ "$DELTA_COPIES" != "no" ]; then
RSYNC_ARGS=$RSYNC_ARGS" --no-whole-file"
else
RSYNC_ARGS=$RSYNC_ARGS" --whole-file"
fi
## Set compression executable and extension
COMPRESSION_LEVEL=3
if type xz > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| xz -$COMPRESSION_LEVEL"
COMPRESSION_EXTENSION=.xz
elif type lzma > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| lzma -$COMPRESSION_LEVEL"
COMPRESSION_EXTENSION=.lzma
elif type pigz > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| pigz -$COMPRESSION_LEVEL"
COMPRESSION_EXTENSION=.gz
# obackup specific
COMPRESSION_OPTIONS=--rsyncable
elif type gzip > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| gzip -$COMPRESSION_LEVEL"
COMPRESSION_EXTENSION=.gz
# obackup specific
COMPRESSION_OPTIONS=--rsyncable
else
COMPRESSION_PROGRAM=
COMPRESSION_EXTENSION=
fi
ALERT_LOG_FILE="$ALERT_LOG_FILE$COMPRESSION_EXTENSION"
}
function PostInit {
# Define remote commands
SSH_CMD="$(type -p ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT"
SCP_CMD="$(type -p scp) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY -P $REMOTE_PORT"
RSYNC_SSH_CMD="$(type -p ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY -p $REMOTE_PORT"
}
function InitLocalOSSettings {
## If running under Msys, some commands do not run the same way
## Using mingw version of find instead of windows one
## Getting running processes is quite different
## Ping command is not the same
if [ "$LOCAL_OS" == "msys" ]; then
FIND_CMD=$(dirname $BASH)/find
#TODO: The following command needs to be checked on msys. Does the $1 variable substitution work ?
# PROCESS_TEST_CMD assumes there is a variable $pid
PROCESS_TEST_CMD='ps -a | awk "{\$1=\$1}\$1" | awk "{print \$1}" | grep $pid'
PING_CMD="ping -n 2"
else
FIND_CMD=find
# PROCESS_TEST_CMD assumes there is a variable $pid
PROCESS_TEST_CMD='ps -p$pid'
PING_CMD="ping -c 2 -i .2"
fi
## Stat command has different syntax on Linux and FreeBSD/MacOSX
if [ "$LOCAL_OS" == "MacOSX" ] || [ "$LOCAL_OS" == "BSD" ]; then
STAT_CMD="stat -f \"%Sm\""
else
STAT_CMD="stat --format %y"
fi
}
function InitRemoteOSSettings {
## MacOSX does not use the -E parameter like Linux or BSD does (-E is mapped to extended attrs instead of preserve executability)
if [ "$LOCAL_OS" != "MacOSX" ] && [ "$REMOTE_OS" != "MacOSX" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -E"
fi
if [ "$REMOTE_OS" == "msys" ]; then
REMOTE_FIND_CMD=$(dirname $BASH)/find
else
REMOTE_FIND_CMD=find
fi
}
## END Generic functions
## Working directory for partial downloads
PARTIAL_DIR=".obackup_workdir_partial"
# List of runtime created global variables
# $SQL_DISK_SPACE, disk space available on target for sql backups
# $FILE_DISK_SPACE, disk space available on target for file backups
# $SQL_BACKUP_TASKS, list of all databases to backup, space separated
# $SQL_EXCLUDED_TASKS, list of all database to exclude from backup, space separated
# $FILE_BACKUP_TASKS list of directories to backup, found in config file
# $FILE_RECURSIVE_BACKUP_TASKS, list of directories to backup, computed from config file recursive list
# $FILE_RECURSIVE_EXCLUDED_TASKS, list of all directories excluded from recursive list
# $FILE_SIZE_LIST, list of all directories to include in GetDirectoriesSize
CAN_BACKUP_SQL=1
CAN_BACKUP_FILES=1
function TrapStop {
Logger " /!\ WARNING: Manual exit of backup script. Backups may be in inconsistent state." "WARN"
exit 1
}
function TrapQuit {
local exitcode
if [ $ERROR_ALERT -ne 0 ]; then
SendAlert
CleanUp
Logger "Backup script finished with errors." "ERROR"
exitcode=1
elif [ $WARN_ALERT -ne 0 ]; then
SendAlert
CleanUp
Logger "Backup script finished with warnings." "WARN"
exitcode=2
else
CleanUp
Logger "Backup script finshed." "NOTICE"
exitcode=0
fi
if [ -f "$RUN_DIR/$PROGRAM.$INSTANCE_ID" ]; then
rm -f "$RUN_DIR/$PROGRAM.$INSTANCE_ID"
fi
KillChilds $$ > /dev/null 2>&1
exit $exitcode
}
function CheckEnvironment {
if [ "$REMOTE_OPERATION" == "yes" ]; then
if ! type ssh > /dev/null 2>&1 ; then
Logger "ssh not present. Cannot start backup." "CRITICAL"
exit 1
fi
if [ "$SQL_BACKUP" != "no" ]; then
if ! type mysqldump > /dev/null 2>&1 ; then
Logger "mysqldump not present. Cannot backup SQL." "CRITICAL"
CAN_BACKUP_SQL=0
fi
if ! type mysql > /dev/null 2>&1 ; then
Logger "mysql not present. Cannot backup SQL." "CRITICAL"
CAN_BACKUP_SQL=0
fi
fi
fi
if [ "$FILE_BACKUP" != "no" ]; then
if [ "$ENCRYPTION" == "yes" ]; then
if ! type duplicity > /dev/null 2>&1 ; then
Logger "duplicity not present. Cannot backup encrypted files." "CRITICAL"
CAN_BACKUP_FILES=0
fi
else
if ! type rsync > /dev/null 2>&1 ; then
Logger "rsync not present. Cannot backup files." "CRITICAL"
CAN_BACKUP_FILES=0
fi
fi
fi
}
function CheckCurrentConfig {
if [ "$INSTANCE_ID" == "" ]; then
Logger "No INSTANCE_ID defined in config file." "CRITICAL"
exit 1
fi
# Check all variables that should contain "yes" or "no"
declare -a yes_no_vars=(SQL_BACKUP FILE_BACKUP ENCRYPTION CREATE_DIRS KEEP_ABSOLUTE_PATHS GET_BACKUP_SIZE SUDO_EXEC SSH_COMPRESSION REMOTE_HOST_PING DATABASES_ALL PRESERVE_ACL PRESERVE_XATTR COPY_SYMLINKS KEEP_DIRLINKS PRESERVE_HARDLINKS RSYNC_COMPRESS PARTIAL DELETE_VANISHED_FILES DELTA_COPIES ROTATE_SQL_BACKUPS ROTATE_FILE_BACKUPS STOP_ON_CMD_ERROR)
for i in "${yes_no_vars[@]}"; do
test="if [ \"\$$i\" != \"yes\" ] && [ \"\$$i\" != \"no\" ]; then Logger \"Bogus $i value defined in config file.\" \"CRITICAL\"; exit 1; fi"
eval "$test"
done
if [ "$BACKUP_TYPE" != "local" ] && [ "$BACKUP_TYPE" != "pull" ] && [ "$BACKUP_TYPE" != "push" ]; then
Logger "Bogus BACKUP_TYPE value in config file." "CRITICAL"
exit 1
fi
# Check all variables that should contain a numerical value >= 0
declare -a num_vars=(BACKUP_SIZE_MINIMUM BANDWIDTH SQL_WARN_MIN_SPACE FILE_WARN_MIN_SPACE SOFT_MAX_EXEC_TIME_DB_TASK HARD_MAX_EXEC_TIME_DB_TASK COMPRESSION_LEVEL SOFT_MAX_EXEC_TIME_FILE_TASK HARD_MAX_EXEC_TIME_FILE_TASK SOFT_MAX_EXEC_TIME_TOTAL HARD_MAX_EXEC_TIME_TOTAL ROTATE_SQL_COPIES ROTATE_FILE_COPIES MAX_EXEC_TIME_PER_CMD_BEFORE MAX_EXEC_TIME_PER_CMD_AFTER)
for i in "${num_vars[@]}"; do
test="if [ $(IsNumeric \"\$$i\") -eq 0 ]; then Logger \"Bogus $i value defined in config file.\" \"CRITICAL\"; exit 1; fi"
eval "$test"
done
if [ "$FILE_BACKUP" == "yes" ]; then
if [ "$DIRECTORY_LIST" == "" ] && [ "$RECURSIVE_DIRECTORY_LIST" == "" ]; then
Logger "No directories specified in config file, no files to backup." "ERROR"
CAN_BACKUP_FILES=0
fi
fi
#TODO-v2.1: Add runtime variable tests (RSYNC_ARGS etc)
}
function CheckRunningInstances {
if [ -f "$RUN_DIR/$PROGRAM.$INSTANCE_ID" ]; then
pid=$(cat "$RUN_DIR/$PROGRAM.$INSTANCE_ID")
if ps aux | awk '{print $2}' | grep $pid > /dev/null; then
Logger "Another instance [$INSTANCE_ID] of obackup is already running." "CRITICAL"
exit 1
fi
fi
echo $SCRIPT_PID > "$RUN_DIR/$PROGRAM.$INSTANCE_ID"
}
function _ListDatabasesLocal {
local sql_cmd=
sql_cmd="mysql -u $SQL_USER -Bse 'SELECT table_schema, round(sum( data_length + index_length ) / 1024) FROM information_schema.TABLES GROUP by table_schema;' > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1"
Logger "cmd: $sql_cmd" "DEBUG"
eval "$sql_cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_DB_TASK $HARD_MAX_EXEC_TIME_DB_TASK ${FUNCNAME[0]}
if [ $? -eq 0 ]; then
Logger "Listing databases succeeded." "NOTICE"
else
Logger "Listing databases failed." "ERROR"
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
fi
return 1
fi
}
function _ListDatabasesRemote {
local sql_cmd=
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
sql_cmd="$SSH_CMD \"mysql -u $SQL_USER -Bse 'SELECT table_schema, round(sum( data_length + index_length ) / 1024) FROM information_schema.TABLES GROUP by table_schema;'\" > \"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID\" 2>&1"
Logger "cmd: $sql_cmd" "DEBUG"
eval "$sql_cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_DB_TASK $HARD_MAX_EXEC_TIME_DB_TASK ${FUNCNAME[0]}
if [ $? -eq 0 ]; then
Logger "Listing databases succeeded." "NOTICE"
else
Logger "Listing databases failed." "ERROR"
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
fi
return 1
fi
}
function ListDatabases {
local output_file # Return of subfunction
local db_name
local db_size
local db_backup
if [ $CAN_BACKUP_SQL -ne 1 ]; then
Logger "Cannot list databases." "ERROR"
return 1
fi
Logger "Listing databases." "NOTICE"
if [ "$BACKUP_TYPE" == "local" ] || [ "$BACKUP_TYPE" == "push" ]; then
_ListDatabasesLocal
if [ $? != 0 ]; then
output_file=""
else
output_file="$RUN_DIR/$PROGRAM._ListDatabasesLocal.$SCRIPT_PID"
fi
elif [ "$BACKUP_TYPE" == "pull" ]; then
_ListDatabasesRemote
if [ $? != 0 ]; then
output_file=""
else
output_file="$RUN_DIR/$PROGRAM._ListDatabasesRemote.$SCRIPT_PID"
fi
fi
if [ -f "$output_file" ] && [ $CAN_BACKUP_SQL -eq 1 ]; then
OLD_IFS=$IFS
IFS=$' \n'
for line in $(cat "$output_file")
do
db_name=$(echo $line | cut -f1)
db_size=$(echo $line | cut -f2)
if [ "$DATABASES_ALL" == "yes" ]; then
db_backup=1
IFS=$PATH_SEPARATOR_CHAR
for j in $DATABASES_ALL_EXCLUDE_LIST
do
if [ "$db_name" == "$j" ]; then
db_backup=0
fi
done
IFS=$' \n'
else
db_backup=0
IFS=$PATH_SEPARATOR_CHAR
for j in $DATABASES_LIST
do
if [ "$db_name" == "$j" ]; then
db_backup=1
fi
done
IFS=$' \n'
fi
if [ $db_backup -eq 1 ]; then
if [ "$SQL_BACKUP_TASKS" != "" ]; then
SQL_BACKUP_TASKS="$SQL_BACKUP_TASKS $db_name"
else
SQL_BACKUP_TASKS="$db_name"
fi
TOTAL_DATABASES_SIZE=$((TOTAL_DATABASES_SIZE+$db_size))
else
SQL_EXCLUDED_TASKS="$SQL_EXCLUDED_TASKS $db_name"
fi
done
IFS=$OLD_IFS
Logger "Database backup list: $SQL_BACKUP_TASKS" "DEBUG"
Logger "Database exclude list: $SQL_EXCLUDED_TASKS" "DEBUG"
else
Logger "Will not execute database backup." "ERROR"
CAN_BACKUP_SQL=0
fi
}
function _ListRecursiveBackupDirectoriesLocal {
local cmd
OLD_IFS=$IFS
IFS=$PATH_SEPARATOR_CHAR
for directory in $RECURSIVE_DIRECTORY_LIST
do
# No sudo here, assuming you should have all necessary rights for local checks
cmd="$FIND_CMD -L $directory/ -mindepth 1 -maxdepth 1 -type d >> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID"
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_FILE_TASK $HARD_MAX_EXEC_TIME_FILE_TASK ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Could not enumerate directories in [$directory]." "ERROR"
if [ -f $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
fi
if [ -f $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID ]; then
Logger "Error output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID)" "ERROR"
fi
retval=1
else
retval=0
fi
done
IFS=$OLD_IFS
return $retval
}
function _ListRecursiveBackupDirectoriesRemote {
local cmd
OLD_IFS=$IFS
IFS=$PATH_SEPARATOR_CHAR
for directory in $RECURSIVE_DIRECTORY_LIST
do
cmd=$SSH_CMD' "'$COMMAND_SUDO' '$FIND_CMD' -L '$directory'/ -mindepth 1 -maxdepth 1 -type d" >> '$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID' 2> '$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_FILE_TASK $HARD_MAX_EXEC_TIME_FILE_TASK ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Could not enumerate directories in [$directory]." "ERROR"
if [ -f $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
fi
if [ -f $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID ]; then
Logger "Error output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID)" "ERROR"
fi
retval=1
else
retval=0
fi
done
IFS=$OLD_IFS
return $retval
}
function ListRecursiveBackupDirectories {
local output_file
local file_exclude
Logger "Listing directories to backup." "NOTICE"
if [ "$BACKUP_TYPE" == "local" ] || [ "$BACKUP_TYPE" == "push" ]; then
_ListRecursiveBackupDirectoriesLocal
if [ $? != 0 ]; then
output_file=""
else
output_file="$RUN_DIR/$PROGRAM._ListRecursiveBackupDirectoriesLocal.$SCRIPT_PID"
fi
elif [ "$BACKUP_TYPE" == "pull" ]; then
_ListRecursiveBackupDirectoriesRemote
if [ $? != 0 ]; then
output_file=""
else
output_file="$RUN_DIR/$PROGRAM._ListRecursiveBackupDirectoriesRemote.$SCRIPT_PID"
fi
fi
if [ -f "$output_file" ]; then
OLD_IFS=$IFS
IFS=$' \n'
for line in $(cat "$output_file")
do
file_exclude=0
IFS=$PATH_SEPARATOR_CHAR
for k in $RECURSIVE_EXCLUDE_LIST
do
if [ "$k" == "$line" ]; then
file_exclude=1
fi
done
IFS=$' \n'
if [ $file_exclude -eq 0 ]; then
if [ "$FILE_RECURSIVE_BACKUP_TASKS" == "" ]; then
FILE_RECURSIVE_BACKUP_TASKS="$line"
FILE_SIZE_LIST="$(EscapeSpaces $line)"
else
FILE_RECURSIVE_BACKUP_TASKS="$FILE_RECURSIVE_BACKUP_TASKS$PATH_SEPARATOR_CHAR$line"
FILE_SIZE_LIST="$FILE_SIZE_LIST $(EscapeSpaces $line)"
fi
else
FILE_RECURSIVE_EXCLUDED_TASKS="$FILE_RECURSIVE_EXCLUDED_TASKS$PATH_SEPARATOR_CHAR$line"
fi
done
IFS=$OLD_IFS
fi
OLD_IFS=$IFS
IFS=$PATH_SEPARATOR_CHAR
for directory in $DIRECTORY_LIST
do
FILE_SIZE_LIST="$FILE_SIZE_LIST $(EscapeSpaces $directory)"
if [ "$FILE_BACKUP_TASKS" == "" ]; then
FILE_BACKUP_TASKS="$directory"
else
FILE_BACKUP_TASKS="$FILE_BACKUP_TASKS$PATH_SEPARATOR_CHAR$directory"
fi
done
IFS=$OLD_IFS
}
function _GetDirectoriesSizeLocal {
local dir_list="${1}"
local cmd
# No sudo here, assuming you should have all the necessary rights
cmd='echo "'$dir_list'" | xargs du -cs | tail -n1 | cut -f1 > '$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_FILE_TASK $HARD_MAX_EXEC_TIME_FILE_TASK ${FUNCNAME[0]}
# $cmd will return 0 even if some errors found, so we need to check if there is an error output
if [ $? != 0 ] || [ -s $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID ]; then
Logger "Could not get files size for some or all directories." "ERROR"
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
fi
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID" ]; then
Logger "Error output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID)" "ERROR"
fi
else
Logger "File size fetched successfully." "NOTICE"
fi
if [ -s "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
TOTAL_FILES_SIZE="$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)"
else
TOTAL_FILES_SIZE=-1
fi
}
function _GetDirectoriesSizeRemote {
local dir_list="${1}"
local cmd
# Error output is different from stdout because not all files in list may fail at once
cmd=$SSH_CMD' "echo '$dir_list' | xargs '$COMMAND_SUDO' du -cs | tail -n1 | cut -f1" > '$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID' 2> '$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_FILE_TASK $HARD_MAX_EXEC_TIME_FILE_TASK ${FUNCNAME[0]}
# $cmd will return 0 even if some errors found, so we need to check if there is an error output
if [ $? != 0 ] || [ -s $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID ]; then
Logger "Could not get files size for some or all directories." "ERROR"
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
fi
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID" ]; then
Logger "Error output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID)" "ERROR"
fi
else
Logger "File size fetched successfully." "NOTICE"
fi
if [ -s "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
TOTAL_FILES_SIZE="$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)"
else
TOTAL_FILES_SIZE=-1
fi
}
function GetDirectoriesSize {
Logger "Getting files size" "NOTICE"
if [ "$BACKUP_TYPE" == "local" ] || [ "$BACKUP_TYPE" == "push" ]; then
if [ "$FILE_BACKUP" != "no" ]; then
_GetDirectoriesSizeLocal "$FILE_SIZE_LIST"
fi
elif [ "$BACKUP_TYPE" == "pull" ]; then
if [ "$FILE_BACKUP" != "no" ]; then
_GetDirectoriesSizeRemote "$FILE_SIZE_LIST"
fi
fi
}
function _CreateDirectoryLocal {
local dir_to_create="${1}"
if [ ! -d "$dir_to_create" ]; then
# No sudo, you should have all necessary rights
mkdir --parents "$dir_to_create" > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1
if [ $? != 0 ]; then
Logger "Cannot create directory [$dir_to_create]" "CRITICAL"
if [ -f $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID ]; then
Logger "Command output: $(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
fi
return 1
fi
fi
}
function _CreateDirectoryRemote {
local dir_to_create="${1}"
local cmd
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "if ! [ -d \"'$dir_to_create'\" ]; then '$COMMAND_SUDO' mkdir --parents \"'$dir_to_create'\"; fi" > '$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID' 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 720 1800 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot create remote directory [$dir_to_create]." "CRITICAL"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
return 1
fi
}
function CreateStorageDirectories {
if [ "$BACKUP_TYPE" == "local" ] || [ "$BACKUP_TYPE" == "pull" ]; then
if [ "$SQL_BACKUP" != "no" ]; then
_CreateDirectoryLocal "$SQL_STORAGE"
if [ $? != 0 ]; then
CAN_BACKUP_SQL=0
fi
fi
if [ "$FILE_BACKUP" != "no" ]; then
_CreateDirectoryLocal "$FILE_STORAGE"
if [ $? != 0 ]; then
CAN_BACKUP_FILES=0
fi
fi
elif [ "$BACKUP_TYPE" == "push" ]; then
if [ "$SQL_BACKUP" != "no" ]; then
_CreateDirectoryRemote "$SQL_STORAGE"
if [ $? != 0 ]; then
CAN_BACKUP_SQL=0
fi
fi
if [ "$FILE_BACKUP" != "no" ]; then
_CreateDirectoryRemote "$FILE_STORAGE"
if [ $? != 0 ]; then
CAN_BACKUP_FILES=0
fi
fi
fi
}
function GetDiskSpaceLocal {
# GLOBAL VARIABLE DISK_SPACE to pass variable to parent function
# GLOBAL VARIABLE DRIVE to pass variable to parent function
local path_to_check="${1}"
if [ -d "$path_to_check" ]; then
# Not elegant solution to make df silent on errors
# No sudo on local commands, assuming you should have all the necesarry rights to check backup directories sizes
df -P "$path_to_check" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1
if [ $? != 0 ]; then
DISK_SPACE=0
Logger "Cannot get disk space in [$path_to_check] on local system." "ERROR"
Logger "Command Output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
else
DISK_SPACE=$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID | tail -1 | awk '{print $4}')
DRIVE=$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID | tail -1 | awk '{print $1}')
fi
else
Logger "Storage path [$path_to_check] does not exist." "CRITICAL"
return 1
fi
}
function GetDiskSpaceRemote {
# USE GLOBAL VARIABLE DISK_SPACE to pass variable to parent function
local path_to_check="${1}"
local cmd
cmd=$SSH_CMD' "if [ -d \"'$path_to_check'\" ]; then '$COMMAND_SUDO' df -P \"'$path_to_check'\"; else exit 1; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_DB_TASK $HARD_MAX_EXEC_TIME_DB_TASK ${FUNCNAME[0]}
if [ $? != 0 ]; then
DISK_SPACE=0
Logger "Cannot get disk space in [$path_to_check] on remote system." "ERROR"
Logger "Command Output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
return 1
else
DISK_SPACE=$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID | tail -1 | awk '{print $4}')
DRIVE=$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID | tail -1 | awk '{print $1}')
fi
}
function CheckDiskSpace {
# USE OF GLOBAL VARIABLES TOTAL_DATABASES_SIZE, TOTAL_FILES_SIZE, BACKUP_SIZE_MINIMUM, STORAGE_WARN_SIZE, STORAGE_SPACE
if [ "$BACKUP_TYPE" == "local" ] || [ "$BACKUP_TYPE" == "pull" ]; then
if [ "$SQL_BACKUP" != "no" ]; then
GetDiskSpaceLocal "$SQL_STORAGE"
if [ $? != 0 ]; then
SQL_DISK_SPACE=0
CAN_BACKUP_SQL=0
else
SQL_DISK_SPACE=$DISK_SPACE
SQL_DRIVE=$DRIVE
fi
fi
if [ "$FILE_BACKUP" != "no" ]; then
GetDiskSpaceLocal "$FILE_STORAGE"
if [ $? != 0 ]; then
FILE_DISK_SPACE=0
CAN_BACKUP_FILES=0
else
FILE_DISK_SPACE=$DISK_SPACE
FILE_DRIVE=$DRIVE
fi
fi
elif [ "$BACKUP_TYPE" == "push" ]; then
if [ "$SQL_BACKUP" != "no" ]; then
GetDiskSpaceRemote "$SQL_STORAGE"
if [ $? != 0 ]; then
SQL_DISK_SPACE=0
else
SQL_DISK_SPACE=$DISK_SPACE
SQL_DRIVE=$DRIVE
fi
fi
if [ "$FILE_BACKUP" != "no" ]; then
GetDiskSpaceRemote "$FILE_STORAGE"
if [ $? != 0 ]; then
FILE_DISK_SPACE=0
else
FILE_DISK_SPACE=$DISK_SPACE
FILE_DRIVE=$DRIVE
fi
fi
fi
if [ "$TOTAL_DATABASES_SIZE" == "" ]; then
TOTAL_DATABASES_SIZE=-1
fi
if [ "$TOTAL_FILES_SIZE" == "" ]; then
TOTAL_FILES_SIZE=-1
fi
if [ "$SQL_BACKUP" != "no" ] && [ $CAN_BACKUP_SQL -eq 1 ]; then
if [ $SQL_DISK_SPACE -eq 0 ]; then
Logger "Storage space in [$SQL_STORAGE] reported to be 0Ko." "WARN"
fi
if [ $SQL_DISK_SPACE -lt $TOTAL_DATABASES_SIZE ]; then
Logger "Disk space in [$SQL_STORAGE] may be insufficient to backup SQL ($SQL_DISK_SPACE Ko available in $SQL_DRIVE) (non compressed databases calculation)." "WARN"
fi
if [ $SQL_DISK_SPACE -lt $SQL_WARN_MIN_SPACE ]; then
Logger "Disk space in [$SQL_STORAGE] is lower than warning value [$SQL_WARN_MIN_SPACE Ko]." "WARN"
fi
Logger "SQL storage Space: $SQL_DISK_SPACE Ko - Databases size: $TOTAL_DATABASES_SIZE Ko" "NOTICE"
fi
if [ "$FILE_BACKUP" != "no" ] && [ $CAN_BACKUP_FILES -eq 1 ]; then
if [ $FILE_DISK_SPACE -eq 0 ]; then
Logger "Storage space in [$FILE_STORAGE] reported to be 0 Ko." "WARN"
fi
if [ $FILE_DISK_SPACE -lt $TOTAL_FILES_SIZE ]; then
Logger "Disk space in [$FILE_STORAGE] may be insufficient to backup files ($FILE_DISK_SPACE Ko available in $FILE_DRIVE)." "WARN"
fi
if [ $FILE_DISK_SPACE -lt $FILE_WARN_MIN_SPACE ]; then
Logger "Disk space in [$FILE_STORAGE] is lower than warning value [$FILE_WARN_MIN_SPACE Ko]." "WARN"
fi
Logger "File storage space: $FILE_DISK_SPACE Ko - Files size: $TOTAL_FILES_SIZE Ko" "NOTICE"
fi
if [ $BACKUP_SIZE_MINIMUM -gt $(($TOTAL_DATABASES_SIZE+$TOTAL_FILES_SIZE)) ] && [ "$GET_BACKUP_SIZE" != "no" ]; then
Logger "Backup size is smaller than expected." "WARN"
fi
}
function _BackupDatabaseLocalToLocal {
local database="${1}" # Database to backup
local export_options="${2}" # export options
local dry_sql_cmd
local sql_cmd
local dry_sql_cmd="mysqldump -u $SQL_USER $export_options --database $database $COMPRESSION_PROGRAM $COMPRESSION_OPTIONS > /dev/null 2> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID"
local sql_cmd="mysqldump -u $SQL_USER $export_options --database $database $COMPRESSION_PROGRAM $COMPRESSION_OPTIONS > $SQL_STORAGE/$database.sql$COMPRESSION_EXTENSION 2> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID"
if [ $_DRYRUN -ne 1 ]; then
Logger "cmd: $sql_cmd" "DEBUG"
eval "$sql_cmd" &
else
Logger "cmd: $dry_sql_cmd" "DEBUG"
eval "$dry_sql_cmd" &
fi
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_DB_TASK $HARD_MAX_EXEC_TIME_DB_TASK ${FUNCNAME[0]}
local retval=$?
if [ -s "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID" ]; then
Logger "Error output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID)" "ERROR"
fi
return $retval
}
function _BackupDatabaseLocalToRemote {
local database="${1}" # Database to backup
local export_options="${2}" # export options
local dry_sql_cmd
local sql_cmd
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
#TODO-v2.0: cannot catch mysqldump warnings
local dry_sql_cmd="mysqldump -u $SQL_USER $export_options --database $database $COMPRESSION_PROGRAM $COMPRESSION_OPTIONS > /dev/null 2> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID"
local sql_cmd="mysqldump -u $SQL_USER $export_options --database $database $COMPRESSION_PROGRAM $COMPRESSION_OPTIONS | $SSH_CMD '$COMMAND_SUDO tee \"$SQL_STORAGE/$database.sql$COMPRESSION_EXTENSION\" > /dev/null' 2> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID"
if [ $_DRYRUN -ne 1 ]; then
Logger "cmd: $sql_cmd" "DEBUG"
eval "$sql_cmd" &
else
Logger "cmd: $dry_sql_cmd" "DEBUG"
eval "$dry_sql_cmd" &
fi
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_DB_TASK $HARD_MAX_EXEC_TIME_DB_TASK ${FUNCNAME[0]}
local retval=$?
if [ -s "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID" ]; then
Logger "Error output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID)" "ERROR"
fi
return $retval
}
function _BackupDatabaseRemoteToLocal {
local database="${1}" # Database to backup
local export_options="${2}" # export options
local dry_sql_cmd
local sql_cmd
local retval
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
local dry_sql_cmd=$SSH_CMD' "mysqldump -u '$SQL_USER' '$export_options' --database '$database' '$COMPRESSION_PROGRAM' '$COMPRESSION_OPTIONS'" > /dev/null 2> "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID'"'
local sql_cmd=$SSH_CMD' "mysqldump -u '$SQL_USER' '$export_options' --database '$database' '$COMPRESSION_PROGRAM' '$COMPRESSION_OPTIONS'" > "'$SQL_STORAGE/$database.sql$COMPRESSION_EXTENSION'" 2> "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID'"'
if [ $_DRYRUN -ne 1 ]; then
Logger "cmd: $sql_cmd" "DEBUG"
eval "$sql_cmd" &
else
Logger "cmd: $dry_sql_cmd" "DEBUG"
eval "$dry_sql_cmd" &
fi
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_DB_TASK $HARD_MAX_EXEC_TIME_DB_TASK ${FUNCNAME[0]}
retval=$?
if [ -s "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID" ]; then
Logger "Error output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID)" "ERROR"
fi
return $retval
}
function BackupDatabase {
local database="${1}"
local mysql_options
# Hack to prevent warning on table mysql.events, some mysql versions don't support --skip-events, prefer using --ignore-table
if [ "$database" == "mysql" ]; then
mysql_options='--skip-lock-tables --single-transaction --ignore-table=mysql.event'
else
mysql_options='--skip-lock-tables --single-transaction'
fi
if [ "$BACKUP_TYPE" == "local" ]; then
_BackupDatabaseLocalToLocal "$database" "$mysql_options"
elif [ "$BACKUP_TYPE" == "pull" ]; then
_BackupDatabaseRemoteToLocal "$database" "$mysql_options"
elif [ "$BACKUP_TYPE" == "push" ]; then
_BackupDatabaseLocalToRemote "$database" "$mysql_options"
fi
if [ $? -ne 0 ]; then
Logger "Backup failed." "ERROR"
else
Logger "Backup succeeded." "NOTICE"
fi
}
function BackupDatabases {
local database
OLD_IFS=$IFS
IFS=$' \t\n'
for database in $SQL_BACKUP_TASKS
do
Logger "Backing up database [$database]." "NOTICE"
BackupDatabase $database &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_DB_TASK $HARD_MAX_EXEC_TIME_DB_TASK ${FUNCNAME[0]}
CheckTotalExecutionTime
done
IFS=$OLD_IFS
}
function Rsync {
local backup_directory="${1}" # Which directory to backup
local is_recursive="${2}" # Backup only files at toplevel of directory
local file_storage_path
local rsync_cmd
if [ "$KEEP_ABSOLUTE_PATHS" == "yes" ]; then
file_storage_path="$(dirname $FILE_STORAGE/${backup_directory#/})"
else
file_storage_path="$FILE_STORAGE"
fi
## Manage to backup recursive directories lists files only (not recursing into subdirectories)
if [ "$is_recursive" == "no-recurse" ]; then
# Fixes symlinks to directories in target cannot be deleted when backing up root directory without recursion, and excludes subdirectories
RSYNC_NO_RECURSE_ARGS=" -k --exclude=*/*/"
else
RSYNC_NO_RECURSE_ARGS=""
fi
# Creating subdirectories because rsync cannot handle multiple subdirectory creation
if [ "$BACKUP_TYPE" == "local" ]; then
_CreateDirectoryLocal "$file_storage_path"
rsync_cmd="$(type -p $RSYNC_EXECUTABLE) $RSYNC_ARGS $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $RSYNC_NO_RECURSE_ARGS --stats $RSYNC_DELETE $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --rsync-path=\"$RSYNC_PATH\" \"$backup_directory\" \"$file_storage_path\" > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1"
elif [ "$BACKUP_TYPE" == "pull" ]; then
_CreateDirectoryLocal "$file_storage_path"
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
rsync_cmd="$(type -p $RSYNC_EXECUTABLE) $RSYNC_ARGS $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $RSYNC_NO_RECURSE_ARGS --stats $RSYNC_DELETE $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --rsync-path=\"$RSYNC_PATH\" -e \"$RSYNC_SSH_CMD\" \"$REMOTE_USER@$REMOTE_HOST:$backup_directory\" \"$file_storage_path\" > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1"
elif [ "$BACKUP_TYPE" == "push" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
_CreateDirectoryRemote "$file_storage_path"
rsync_cmd="$(type -p $RSYNC_EXECUTABLE) $RSYNC_ARGS $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $RSYNC_NO_RECURSE_ARGS --stats $RSYNC_DELETE $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --rsync-path=\"$RSYNC_PATH\" -e \"$RSYNC_SSH_CMD\" \"$backup_directory\" \"$REMOTE_USER@$REMOTE_HOST:$file_storage_path\" > $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1"
fi
Logger "cmd: $rsync_cmd" "DEBUG"
eval "$rsync_cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_FILE_TASK $HARD_MAX_EXEC_TIME_FILE_TASK ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Failed to backup [$backup_directory] to [$file_storage_path]." "ERROR"
Logger "Command output:\n $(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
else
Logger "File backup succeed." "NOTICE"
fi
}
function Duplicity {
local backup_directory="${1}" # Which directory to backup
local is_recursive="${2}" # Backup only files at toplevel of directory
local file_storage_path
local duplicity_cmd
Logger "Encrpytion not supported yet ! No backup done." "CRITICAL"
return 1
if [ "$KEEP_ABSOLUTE_PATHS" == "yes" ]; then
file_storage_path="$(dirname $FILE_STORAGE$backup_directory)"
else
file_storage_path="$FILE_STORAGE"
fi
if [ "$BACKUP_TYPE" == "local" ]; then
duplicity_cmd=""
elif [ "$BACKUP_TYPE" == "pull" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
duplicity_cmd=""
elif [ "$BACKUP_TYPE" == "push" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
duplicity_cmd=""
fi
Logger "cmd: $duplicity_cmd" "DEBUG"
eval "$duplicity_cmd" &
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME_FILE_TASK $HARD_MAX_EXEC_TIME_FILE_TASK ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Failed to backup [$backup_directory] to [$file_storage_path]." "ERROR"
Logger "Command output:\n $(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
else
Logger "File backup succeed." "NOTICE"
fi
}
function FilesBackup {
OLD_IFS=$IFS
IFS=$PATH_SEPARATOR_CHAR
# Backup non recursive directories
for BACKUP_TASK in $FILE_BACKUP_TASKS
do
Logger "Beginning file backup of [$BACKUP_TASK]." "NOTICE"
if [ "$ENCRYPTION" == "yes" ]; then
Duplicity "$BACKUP_TASK" "recurse"
else
Rsync "$BACKUP_TASK" "recurse"
fi
CheckTotalExecutionTime
done
## Backup files at root of DIRECTORIES_RECURSE_LIST directories
for BACKUP_TASK in $RECURSIVE_DIRECTORY_LIST
do
Logger "Beginning non recursive file backup of [$BACKUP_TASK]." "NOTICE"
if [ "$ENCRYPTION" == "yes" ]; then
Duplicity "$BACKUP_TASK" "no-recurse"
else
Rsync "$BACKUP_TASK" "no-recurse"
fi
CheckTotalExecutionTime
done
# Backup sub directories of recursive directories
for BACKUP_TASK in $FILE_RECURSIVE_BACKUP_TASKS
do
Logger "Beginning recursive file backup of [$BACKUP_TASK]." "NOTICE"
if [ "$ENCRYPTION" == "yes" ]; then
Duplicity "$BACKUP_TASK" "recurse"
else
Rsync "$BACKUP_TASK" "recurse"
fi
CheckTotalExecutionTime
done
IFS=$OLD_IFS
}
function CheckTotalExecutionTime {
#### Check if max execution time of whole script as been reached
if [ $SECONDS -gt $SOFT_MAX_EXEC_TIME_TOTAL ]; then
Logger "Max soft execution time of the whole backup exceeded while backing up [$BACKUP_TASK]." "ERROR"
WARN_ALERT=1
SendAlert
if [ $SECONDS -gt $HARD_MAX_EXEC_TIME_TOTAL ] && [ $HARD_MAX_EXEC_TIME_TOTAL -ne 0 ]; then
Logger "Max hard execution time of the whole backup exceeded while backing up [$BACKUP_TASK], stopping backup process." "CRITICAL"
exit 1
fi
fi
}
function _RotateBackupsLocal {
local backup_path="${1}"
local rotate_copies="${2}"
local backup
local copy
local cmd
local path
OLD_IFS=$IFS
IFS=$'\t\n'
for backup in $(ls -I "*.$PROGRAM.*" "$backup_path")
do
copy=$rotate_copies
while [ $copy -gt 1 ]
do
if [ $copy -eq $rotate_copies ]; then
cmd="rm -rf \"$backup_path/$backup.$PROGRAM.$copy\""
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 3600 0 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot delete oldest copy [$backup_path/$backup.$PROGRAM.$copy]." "ERROR"
fi
fi
path="$backup_path/$backup.$PROGRAM.$(($copy-1))"
if [[ -f $path || -d $path ]]; then
cmd="mv \"$path\" \"$backup_path/$backup.$PROGRAM.$copy\""
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 3600 0 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot move [$path] to [$backup_path/$backup.$PROGRAM.$copy]." "ERROR"
fi
fi
copy=$(($copy-1))
done
# Latest file backup will not be moved if script configured for remote backup so next rsync execution will only do delta copy instead of full one
if [[ $backup == *.sql.* ]]; then
cmd="mv \"$backup_path/$backup\" \"$backup_path/$backup.$PROGRAM.1\""
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 3600 0 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot move [$backup_path/$backup] to [$backup_path/$backup.$PROGRAM.1]." "ERROR"
fi
elif [ "$REMOTE_OPERATION" == "yes" ]; then
cmd="cp -R \"$backup_path/$backup\" \"$backup_path/$backup.$PROGRAM.1\""
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 3600 0 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot copy [$backup_path/$backup] to [$backup_path/$backup.$PROGRAM.1]." "ERROR"
fi
else
cmd="mv \"$backup_path/$backup\" \"$backup_path/$backup.$PROGRAM.1\""
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 3600 0 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Cannot move [$backup_path/$backup] to [$backup_path/$backup.$PROGRAM.1]." "ERROR"
fi
fi
done
IFS=$OLD_IFS
}
function _RotateBackupsRemote {
local backup_path="${1}"
local rotate_copies="${2}"
$SSH_CMD PROGRAM=$PROGRAM REMOTE_OPERATION=$REMOTE_OPERATION _DEBUG=$_DEBUG COMMAND_SUDO=$COMMAND_SUDO rotate_copies=$rotate_copies backup_path="$backup_path" 'bash -s' << 'ENDSSH' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1 &
function _RemoteLogger {
local value="${1}" # What to log
echo -e "$value"
}
function RemoteLogger {
local value="${1}" # Sentence to log (in double quotes)
local level="${2}" # Log level: PARANOIA_DEBUG, DEBUG, NOTICE, WARN, ERROR, CRITIAL
prefix="REMOTE TIME: $SECONDS - "
if [ "$level" == "CRITICAL" ]; then
_RemoteLogger "$prefix\e[41m$value\e[0m"
return
elif [ "$level" == "ERROR" ]; then
_RemoteLogger "$prefix\e[91m$value\e[0m"
return
elif [ "$level" == "WARN" ]; then
_RemoteLogger "$prefix\e[93m$value\e[0m"
return
elif [ "$level" == "NOTICE" ]; then
_RemoteLogger "$prefix$value"
return
elif [ "$level" == "DEBUG" ]; then
if [ "$_DEBUG" == "yes" ]; then
_RemoteLogger "$prefix$value"
return
fi
else
_RemoteLogger "\e[41mLogger function called without proper loglevel.\e[0m"
_RemoteLogger "$prefix$value"
fi
}
function _RotateBackupsRemoteSSH {
OLD_IFS=$IFS
IFS=$'\t\n'
for backup in $(ls -I "*.$PROGRAM.*" "$backup_path")
do
copy=$rotate_copies
while [ $copy -gt 1 ]
do
if [ $copy -eq $rotate_copies ]; then
cmd="$COMMAND_SUDO rm -rf \"$backup_path/$backup.$PROGRAM.$copy\""
RemoteLogger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
RemoteLogger "Cannot delete oldest copy [$backup_path/$backup.$PROGRAM.$copy]." "ERROR"
fi
fi
path="$backup_path/$backup.$PROGRAM.$(($copy-1))"
if [[ -f $path || -d $path ]]; then
cmd="$COMMAND_SUDO mv \"$path\" \"$backup_path/$backup.$PROGRAM.$copy\""
RemoteLogger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
RemoteLogger "Cannot move [$path] to [$backup_path/$backup.$PROGRAM.$copy]." "ERROR"
fi
fi
copy=$(($copy-1))
done
# Latest file backup will not be moved if script configured for remote backup so next rsync execution will only do delta copy instead of full one
if [[ $backup == *.sql.* ]]; then
cmd="$COMMAND_SUDO mv \"$backup_path/$backup\" \"$backup_path/$backup.$PROGRAM.1\""
RemoteLogger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
RemoteLogger "Cannot move [$backup_path/$backup] to [$backup_path/$backup.$PROGRAM.1]." "ERROR"
fi
elif [ "$REMOTE_OPERATION" == "yes" ]; then
cmd="$COMMAND_SUDO cp -R \"$backup_path/$backup\" \"$backup_path/$backup.$PROGRAM.1\""
RemoteLogger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
RemoteLogger "Cannot copy [$backup_path/$backup] to [$backup_path/$backup.$PROGRAM.1]." "ERROR"
fi
else
cmd="$COMMAND_SUDO mv \"$backup_path/$backup\" \"$backup_path/$backup.$PROGRAM.1\""
RemoteLogger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
RemoteLogger "Cannot move [$backup_path/$backup] to [$backup_path/$backup.$PROGRAM.1]." "ERROR"
fi
fi
done
IFS=$OLD_IFS
}
_RotateBackupsRemoteSSH
ENDSSH
WaitForTaskCompletion $! 1800 0 ${FUNCNAME[0]}
if [ $? != 0 ]; then
Logger "Could not rotate backups in [$backup_path]." "ERROR"
Logger "Command output:\n $(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
else
Logger "Remote rotation succeed." "NOTICE"
fi ## Need to add a trivial sleep time to give ssh time to log to local file
#sleep 5
}
function RotateBackups {
local backup_path="${1}"
local rotate_copies="${2}"
Logger "Rotating backups." "NOTICE"
if [ "$BACKUP_TYPE" == "local" ] || [ "$BACKUP_TYPE" == "pull" ]; then
_RotateBackupsLocal "$backup_path" "$rotate_copies"
elif [ "$BACKUP_TYPE" == "push" ]; then
_RotateBackupsRemote "$backup_path" "$rotate_copies"
fi
}
function Init {
local uri
local hosturiandpath
local hosturi
trap TrapStop SIGINT SIGQUIT SIGTERM SIGHUP
trap TrapQuit EXIT
## Test if target dir is a ssh uri, and if yes, break it down it its values
if [ "${REMOTE_SYSTEM_URI:0:6}" == "ssh://" ] && [ "$BACKUP_TYPE" != "local" ]; then
REMOTE_OPERATION="yes"
# remove leadng 'ssh://'
uri=${REMOTE_SYSTEM_URI#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=${hosturi%%:*}
fi
## Add update to default RSYNC_ARGS
RSYNC_ARGS=$RSYNC_ARGS" -u"
if [ $_VERBOSE -eq 1 ]; then
RSYNC_ARGS=$RSYNC_ARGS" -i"
fi
if [ "$DELETE_VANISHED_FILES" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" --delete"
fi
if [ $stats -eq 1 ]; then
RSYNC_ARGS=$RSYNC_ARGS" --stats"
fi
## Fix for symlink to directories on target cannot get updated
RSYNC_ARGS=$RSYNC_ARGS" --force"
}
function Main {
if [ "$SQL_BACKUP" != "no" ] && [ $CAN_BACKUP_SQL -eq 1 ]; then
ListDatabases
fi
if [ "$FILE_BACKUP" != "no" ] && [ $CAN_BACKUP_FILES -eq 1 ]; then
ListRecursiveBackupDirectories
if [ "$GET_BACKUP_SIZE" != "no" ]; then
GetDirectoriesSize
else
TOTAL_FILES_SIZE=0
fi
fi
if [ "$CREATE_DIRS" != "no" ]; then
CreateStorageDirectories
fi
CheckDiskSpace
# Actual backup process
if [ "$SQL_BACKUP" != "no" ] && [ $CAN_BACKUP_SQL -eq 1 ]; then
if [ $_DRYRUN -ne 1 ] && [ "$ROTATE_SQL_BACKUPS" == "yes" ]; then
RotateBackups "$SQL_STORAGE" "$ROTATE_SQL_COPIES"
fi
BackupDatabases
fi
if [ "$FILE_BACKUP" != "no" ] && [ $CAN_BACKUP_FILES -eq 1 ]; then
if [ $_DRYRUN -ne 1 ] && [ "$ROTATE_FILE_BACKUPS" == "yes" ]; then
RotateBackups "$FILE_STORAGE" "$ROTATE_FILE_COPIES"
fi
## Add Rsync include / exclude patterns
RsyncPatterns
FilesBackup
fi
}
function Usage {
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 "usage: obackup.sh /path/to/backup.conf [OPTIONS]"
echo ""
echo "OPTIONS:"
echo "--dry will run obackup without actually doing anything, just testing"
echo "--silent will run obackup without any output to stdout, usefull for cron backups"
echo "--verbose adds command outputs"
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 "--delete Deletes files on destination that vanished on source"
echo "--dontgetsize Does not try to evaluate backup size"
exit 128
}
# Command line argument flags
_DRYRUN=0
_SILENT=0
no_maxtime=0
dontgetsize=0
stats=0
PARTIAL=0
function GetCommandlineArguments {
if [ $# -eq 0 ]; then
Usage
fi
for i in "$@"
do
case $i in
--dry)
_DRYRUN=1
;;
--silent)
_SILENT=1
;;
--verbose)
_VERBOSE=1
;;
--stats)
stats=1
;;
--partial)
PARTIAL="yes"
;;
--no-maxtime)
no_maxtime=1
;;
--delete)
DELETE_VANISHED_FILES="yes"
;;
--dontgetsize)
GET_BACKUP_SIZE="no"
;;
--help|-h|--version|-v)
Usage
;;
esac
done
}
GetCommandlineArguments "$@"
LoadConfigFile "$1"
if [ "$LOGFILE" == "" ]; then
if [ -w /var/log ]; then
LOG_FILE=/var/log/$PROGRAM.$INSTANCE_ID.log
else
LOG_FILE=./$PROGRAM.$INSTANCE_ID.log
fi
else
LOG_FILE="$LOGFILE"
fi
if [ "$IS_STABLE" != "yes" ]; then
Logger "This is an unstable dev build. Please use with caution." "WARN"
fi
GetLocalOS
InitLocalOSSettings
CheckEnvironment
CheckRunningInstances
PreInit
Init
PostInit
CheckCurrentConfig
if [ "$REMOTE_OPERATION" == "yes" ]; then
GetRemoteOS
InitRemoteOSSettings
fi
DATE=$(date)
Logger "--------------------------------------------------------------------" "NOTICE"
Logger "$DRY_WARNING $DATE - $PROGRAM v$PROGRAM_VERSION $BACKUP_TYPE script begin." "NOTICE"
Logger "--------------------------------------------------------------------" "NOTICE"
Logger "Backup instance [$INSTANCE_ID] launched as $LOCAL_USER@$LOCAL_HOST (PID $SCRIPT_PID)" "NOTICE"
if [ $no_maxtime -eq 1 ]; then
SOFT_MAX_EXEC_TIME_DB_TASK=0
SOFT_MAX_EXEC_TIME_FILE_TASK=0
HARD_MAX_EXEC_TIME_DB_TASK=0
HARD_MAX_EXEC_TIME_FILE_TASK=0
HARD_MAX_EXEC_TIME_TOTAL=0
fi
RunBeforeHook
Main
RunAfterHook
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