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osync.sh
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#!/usr/bin/env bash
PROGRAM="osync" # Rsync based two way sync engine with fault tolerance
AUTHOR="(C) 2013-2016 by Orsiris de Jong"
CONTACT="http://www.netpower.fr/osync - [email protected]"
PROGRAM_VERSION=1.1-RC1
PROGRAM_BUILD=2016052602
IS_STABLE=yes
## FUNC_BUILD=2016052602
## BEGIN Generic functions for osync & obackup written in 2013-2016 by Orsiris de Jong - http://www.netpower.fr - [email protected]
## 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
#### obackup & osync specific code BEGIN ####
## 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 $(date) has warnings/errors."
#### obackup & osync specific code END ####
#### MINIMAL-FUNCTION-SET BEGIN ####
# Environment variables
_DRYRUN=0
_SILENT=0
# Initial error status, logging 'WARN', 'ERROR' or 'CRITICAL' will enable alerts flags
ERROR_ALERT=0
WARN_ALERT=0
## allow debugging from command line with _DEBUG=yes
if [ ! "$_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/$PROGRAM.log"
elif ([ "$HOME" != "" ] && [ -w "$HOME" ]); then
LOG_FILE="$HOME/$PROGRAM.log"
else
LOG_FILE="./$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
# 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
}
# Sub function of Logger
function _Logger {
local svalue="${1}" # What to log to stdout
local lvalue="${2:-$svalue}" # What to log to logfile, defaults to screen value
local evalue="${3}" # What to log to stderr
echo -e "$lvalue" >> "$LOG_FILE"
# <OSYNC SPECIFIC> Special case in daemon mode where systemctl doesn't need double timestamps
if [ "$sync_on_changes" == "1" ]; then
cat <<< "$evalue" 1>&2 # Log to stderr in daemon mode
elif [ "$_SILENT" -eq 0 ]; then
echo -e "$svalue"
fi
}
# General log function with log levels
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" "$prefix$level:$value" "$level:$value"
ERROR_ALERT=1
return
elif [ "$level" == "ERROR" ]; then
_Logger "$prefix\e[91m$value\e[0m" "$prefix$level:$value" "$level:$value"
ERROR_ALERT=1
return
elif [ "$level" == "WARN" ]; then
_Logger "$prefix\e[93m$value\e[0m" "$prefix$level:$value" "$level:$value"
WARN_ALERT=1
return
elif [ "$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
}
# QuickLogger subfunction, can be called directly
function _QuickLogger {
local value="${1}"
local destination="${2}" # Destination: stdout, log, both
if ([ "$destination" == "log" ] || [ "$destination" == "both" ]); then
echo -e "$(date) - $value" >> "$LOG_FILE"
elif ([ "$destination" == "stdout" ] || [ "$destination" == "both" ]); then
echo -e "$value"
fi
}
# Generic quick logging function
function QuickLogger {
local value="${1}"
if [ "$_SILENT" -eq 1 ]; then
_QuickLogger "$value" "log"
else
_QuickLogger "$value" "stdout"
fi
}
# Portable child (and grandchild) kill function tester under Linux, BSD and MacOS X
function KillChilds {
local pid="${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 15 seconds to let Trap actions happen before killing
if ( [ "$self" == true ] && eval $PROCESS_TEST_CMD > /dev/null 2>&1); then
Logger "Sending SIGTERM to process [$pid]." "DEBUG"
kill -s SIGTERM "$pid"
if [ $? != 0 ]; then
sleep 15
Logger "Sending SIGTERM to process [$pid] failed." "DEBUG"
kill -9 "$pid"
if [ $? != 0 ]; then
Logger "Sending SIGKILL to process [$pid] failed." "DEBUG"
return 1
fi
fi
return 0
else
return 0
fi
}
# osync/obackup/pmocr script specific mail alert function, use SendEmail function for generic mail sending
function SendAlert {
local mail_no_attachment=
local attachment_command=
local subject=
# Windows specific settings
local encryption_string=
local auth_string=
if [ "$DESTINATION_MAILS" == "" ]; then
return 0
fi
if [ "$_DEBUG" == "yes" ]; then
Logger "Debug mode, no warning mail 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 "Cannot send alert mail 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 "Cannot send alert mail via $(type -p mail) with attachments !!!" "WARN"
echo "$MAIL_ALERT_MSG" | $(type -p mail) -s "$subject" $DESTINATION_MAILS
if [ $? != 0 ]; then
Logger "Cannot send alert mail 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 "Cannot send alert mail via $(type -p sendmail) !!!" "WARN"
else
Logger "Sent alert mail using sendmail command without attachment." "NOTICE"
return 0
fi
fi
# Windows specific
if type "mailsend.exe" > /dev/null 2>&1 ; then
if [ "$SMTP_ENCRYPTION" != "tls" ] && [ "$SMTP_ENCRYPTION" != "ssl" ] && [ "$SMTP_ENCRYPTION" != "none" ]; then
Logger "Bogus smtp encryption, assuming none." "WARN"
encryption_string=
elif [ "$SMTP_ENCRYPTION" == "tls" ]; then
encryption_string=-starttls
elif [ "$SMTP_ENCRYPTION" == "ssl" ]:; then
encryption_string=-ssl
fi
if [ "$SMTP_USER" != "" ] && [ "$SMTP_USER" != "" ]; then
auth_string="-auth -user \"$SMTP_USER\" -pass \"$SMTP_PASSWORD\""
fi
$(type mailsend.exe) -f $SENDER_MAIL -t "$DESTINATION_MAILS" -sub "$subject" -M "$MAIL_ALERT_MSG" -attach "$attachment" -smtp "$SMTP_SERVER" -port "$SMTP_PORT" $encryption_string $auth_string
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type mailsend.exe) !!!" "WARN"
else
Logger "Sent mail using mailsend.exe command with attachment." "NOTICE"
return 0
fi
fi
# Windows specific, kept for compatibility (sendemail from http://caspian.dotconf.net/menu/Software/SendEmail/)
if type sendemail > /dev/null 2>&1 ; then
if [ "$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 "Cannot send alert mail via $(type -p sendemail) !!!" "WARN"
else
Logger "Sent alert mail using sendemail command without attachment." "NOTICE"
return 0
fi
fi
# pfSense specific
if [ -f /usr/local/bin/mail.php ]; then
echo "$MAIL_ALERT_MSG" | /usr/local/bin/mail.php -s="$subject"
if [ $? != 0 ]; then
Logger "Cannot send alert mail via /usr/local/bin/mail.php (pfsense) !!!" "WARN"
else
Logger "Sent alert mail using pfSense mail.php." "NOTICE"
return 0
fi
fi
# If function has not returned 0 yet, assume it's critical that no alert can be sent
Logger "Cannot send alert (neither mutt, mail, sendmail, mailsend, sendemail or pfSense mail.php could be used)." "ERROR" # Is not marked critical because execution must continue
# Delete tmp log file
if [ -f "$ALERT_LOG_FILE" ]; then
rm "$ALERT_LOG_FILE"
fi
}
# Generic email sending function.
# Usage (linux / BSD), attachment is optional, can be "/path/to/my.file" or ""
# SendEmail "subject" "Body text" "[email protected] [email protected]" "/path/to/attachment.file"
# Usage (Windows, make sure you have mailsend.exe in executable path, see http://github.com/muquit/mailsend)
# attachment is optional but must be in windows format like "c:\\some\path\\my.file", or ""
# smtp_server.domain.tld is mandatory, as is smtp_port (should be 25, 465 or 587)
# encryption can be set to tls, ssl or none
# smtp_user and smtp_password are optional
# SendEmail "subject" "Body text" "[email protected] [email protected]" "/path/to/attachment.file" "[email protected]" "smtp_server.domain.tld" "smtp_port" "encrpytion" "smtp_user" "smtp_password"
function SendEmail {
local subject="${1}"
local message="${2}"
local destination_mails="${3}"
local attachment="${4}"
local sender_email="${5}"
local smtp_server="${6}"
local smtp_port="${7}"
local encrpytion="${8}"
local smtp_user="${9}"
local smtp_password="${10}"
# CheckArguments will report a warning that can be ignored if used in Windows with paranoia debug enabled
local mail_no_attachment=
local attachment_command=
local encryption_string=
local auth_string=
if [ ! -f "$attachment" ]; then
attachment_command="-a $ALERT_LOG_FILE"
mail_no_attachment=1
else
mail_no_attachment=0
fi
if type mutt > /dev/null 2>&1 ; then
echo "$message" | $(type -p mutt) -x -s "$subject" "$destination_mails" $attachment_command
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p mutt) !!!" "WARN"
else
Logger "Sent mail using mutt." "NOTICE"
return 0
fi
fi
if type mail > /dev/null 2>&1 ; then
if [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V | grep "GNU" > /dev/null; then
attachment_command="-A $attachment"
elif [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V > /dev/null; then
attachment_command="-a$attachment"
else
attachment_command=""
fi
echo "$message" | $(type -p mail) $attachment_command -s "$subject" "$destination_mails"
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p mail) with attachments !!!" "WARN"
echo "$message" | $(type -p mail) -s "$subject" "$destination_mails"
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p mail) without attachments !!!" "WARN"
else
Logger "Sent mail using mail command without attachment." "NOTICE"
return 0
fi
else
Logger "Sent mail using mail command." "NOTICE"
return 0
fi
fi
if type sendmail > /dev/null 2>&1 ; then
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) "$destination_mails"
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p sendmail) !!!" "WARN"
else
Logger "Sent mail using sendmail command without attachment." "NOTICE"
return 0
fi
fi
# Windows specific
if type "mailsend.exe" > /dev/null 2>&1 ; then
if [ "$sender_email" == "" ]; then
Logger "Missing sender email." "ERROR"
return 1
fi
if [ "$smtp_server" == "" ]; then
Logger "Missing smtp port." "ERROR"
return 1
fi
if [ "$smtp_port" == "" ]; then
Logger "Missing smtp port, assuming 25." "WARN"
smtp_port=25
fi
if [ "$encryption" != "tls" ] && [ "$encryption" != "ssl" ] && [ "$encryption" != "none" ]; then
Logger "Bogus smtp encryption, assuming none." "WARN"
encryption_string=
elif [ "$encryption" == "tls" ]; then
encryption_string=-starttls
elif [ "$encryption" == "ssl" ]:; then
encryption_string=-ssl
fi
if [ "$smtp_user" != "" ] && [ "$smtp_password" != "" ]; then
auth_string="-auth -user \"$smtp_user\" -pass \"$smtp_password\""
fi
$(type mailsend.exe) -f "$sender_email" -t "$destination_mails" -sub "$subject" -M "$message" -attach "$attachment" -smtp "$smtp_server" -port "$smtp_port" $encryption_string $auth_string
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type mailsend.exe) !!!" "WARN"
else
Logger "Sent mail using mailsend.exe command with attachment." "NOTICE"
return 0
fi
fi
# pfSense specific
if [ -f /usr/local/bin/mail.php ]; then
echo "$message" | /usr/local/bin/mail.php -s="$subject"
if [ $? != 0 ]; then
Logger "Cannot send mail via /usr/local/bin/mail.php (pfsense) !!!" "WARN"
else
Logger "Sent mail using pfSense mail.php." "NOTICE"
return 0
fi
fi
# If function has not returned 0 yet, assume it's critical that no alert can be sent
Logger "Cannot send mail (neither mutt, mail, sendmail, sendemail, mailsend (windows) or pfSense mail.php could be used)." "ERROR" # Is not marked critical because execution must continue
}
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 ${code}"
fi
}
function LoadConfigFile {
local config_file="${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"
}
#### MINIMAL-FUNCTION-SET END ####
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
}
# obsolete, use StripQuotes
function SedStripQuotes {
echo $(echo $1 | sed "s/^\([\"']\)\(.*\)\1\$/\2/g")
}
# Usage: var=$(StripSingleQuotes "$var")
function StripSingleQuotes {
local string="${1}"
string="${string/#\'/}" # Remove singlequote if it begins string
string="${string/%\'/}" # Remove singlequote if it ends string
echo "$string"
}
# Usage: var=$(StripDoubleQuotes "$var")
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 =~ $re ]]; then
echo 1
else
echo 0
fi
}
## from https://gist.github.com/cdown/1163649
function urlEncode {
local length="${#1}"
local LANG=C
for (( i = 0; i < length; i++ )); do
local c="${1:i:1}"
case $c in
[a-zA-Z0-9.~_-])
printf "$c"
;;
*)
printf '%%%02X' "'$c"
;;
esac
done
}
function urlDecode {
local url_encoded="${1//+/ }"
printf '%b' "${url_encoded//%/\\x}"
}
function CleanUp {
if [ "$_DEBUG" != "yes" ]; then
rm -f "$RUN_DIR/$PROGRAM."*".$SCRIPT_PID"
# Fix for sed -i requiring backup extension for BSD & Mac (see all sed -i statements)
rm -f "$RUN_DIR/$PROGRAM."*".$SCRIPT_PID.tmp"
fi
}
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 $local_os_var in
*"Linux"*)
LOCAL_OS="Linux"
;;
*"BSD"*)
LOCAL_OS="BSD"
;;
*"MINGW32"*|*"CYGWIN"*)
LOCAL_OS="msys"
;;
*"Darwin"*)
LOCAL_OS="MacOSX"
;;
*)
if [ "$IGNORE_OS_TYPE" == "yes" ]; then #DOC: Undocumented option
Logger "Running on unknown local OS [$local_os_var]." "WARN"
return
fi
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 $remote_os_var in
*"Linux"*)
REMOTE_OS="Linux"
;;
*"BSD"*)
REMOTE_OS="BSD"
;;
*"MINGW32"*|*"CYGWIN"*)
REMOTE_OS="msys"
;;
*"Darwin"*)
REMOTE_OS="MacOSX"
;;
*"ssh"*|*"SSH"*)
Logger "Cannot connect to remote system." "CRITICAL"
exit 1
;;
*)
if [ "$IGNORE_OS_TYPE" == "yes" ]; then #DOC: Undocumented option
Logger "Running on unknown remote OS [$remote_os_var]." "WARN"
return
fi
Logger "Running on remote OS failed. Please report to the author if the OS is not supported." "CRITICAL"
Logger "Remote OS said:\n$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 with pid [$pid]." "NOTICE"
fi
fi
if [ $exec_time -gt $soft_max_time ]; then
if [ $soft_alert -eq 0 ] && [ $soft_max_time -ne 0 ]; then
Logger "Max soft execution time exceeded for task [$caller_name] with pid [$pid]." "WARN"
soft_alert=1
SendAlert
fi
if [ $exec_time -gt $hard_max_time ] && [ $hard_max_time -ne 0 ]; then
Logger "Max hard execution time exceeded for task [$caller_name] with pid [$pid]. Stopping task execution." "ERROR"
KillChilds $pid
if [ $? == 0 ]; then
Logger "Task stopped successfully" "NOTICE"
return 0
else
return 1
fi
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 ] && [ $hard_max_time != 0 ]; then
Logger "Max hard execution time exceeded for script in [$caller_name]. Stopping current task execution." "ERROR"
KillChilds $pid
if [ $? == 0 ]; then
Logger "Task stopped successfully" "NOTICE"
return 0
else
return 1
fi
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 $REMOTE_HOST" "ERROR"
return 1
fi
fi
fi
}
function CheckConnectivity3rdPartyHosts {
if [ "$_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 $i" "NOTICE"
else
remote_3rd_party_success=1
fi
done
IFS=$OLD_IFS
if [ $remote_3rd_party_success -ne 1 ]; then
Logger "No remote 3rd party host responded to ping. No internet ?" "ERROR"
return 1
fi
fi
fi
}
#__BEGIN_WITH_PARANOIA_DEBUG
#__END_WITH_PARANOIA_DEBUG
function RsyncPatternsAdd {
local pattern_type="${1}" # exclude or include
local pattern="${2}"
local rest=
# Disable globbing so wildcards from exclusions do not get expanded
set -f
rest="$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"=\"$str\""
fi
done
set +f
}
function RsyncPatternsFromAdd {
local pattern_type="${1}"
local pattern_from="${2}"
local pattern_from=
## Check if the exclude list has a full path, and if not, add the config file path if there is one
if [ "$(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 [ "$RSYNC_PATTERN_FIRST" == "exclude" ]; then
RsyncPatternsAdd "exclude" "$RSYNC_EXCLUDE_PATTERN"
if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "exclude" "$RSYNC_EXCLUDE_FROM"
fi
RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include"
if [ "$RSYNC_INCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "include" "$RSYNC_INCLUDE_FROM"
fi
elif [ "$RSYNC_PATTERN_FIRST" == "include" ]; then
RsyncPatternsAdd "include" "$RSYNC_INCLUDE_PATTERN"
if [ "$RSYNC_INCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "include" "$RSYNC_INCLUDE_FROM"
fi
RsyncPatternsAdd "exclude" "$RSYNC_EXCLUDE_PATTERN"
if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then