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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| #!/bin/bash | ||
| # +--------------------------------------------------------------------+ | ||
| # EFA Monitor cron | ||
| # Version 20151212 | ||
| # +--------------------------------------------------------------------+ | ||
| # Copyright (C) 2012~2015 http://www.efa-project.org | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| # +--------------------------------------------------------------------+ | ||
|
|
||
| # +--------------------------------------------------------------------+ | ||
| # EFA Monitor Cron Script | ||
| # Set to run at a regular interval (i.e. every minute) | ||
| # +--------------------------------------------------------------------+ | ||
|
|
||
| # +--------------------------------------------------------------------+ | ||
| # Configurable Variables | ||
| # +--------------------------------------------------------------------+ | ||
| MaxRestartAttempts=3 | ||
| # Monitored Service Array (daemon=sysv) | ||
| MonitoredServices=("mysqld=mysqld" "MailScanner=MailScanner" "qmgr=postfix" "master=postfix" "pickup=postfix" "httpd=httpd" "miniserv.pl=webmin" "clamd=clamd" "unbound=unbound" "saslauthd=saslauthd" "sqlgrey=sqlgrey" "dccifd=adcc") | ||
| # Enable restart expiry (1 day) | ||
| RestartExpiry=1 | ||
| AttemptsFile="/var/EFA/EFAmonitor" | ||
| ADMINEMAIL="`cat /etc/EFA-Config | grep ADMINEMAIL | sed 's/.*://'`" | ||
| MAILFROM="$ADMINEMAIL" | ||
| MAILTO="$ADMINEMAIL" | ||
| MAILSUBJECT="EFA Monitor ALERT" | ||
| SENDMAIL="/usr/lib/sendmail" | ||
| TMPMAIL="/tmp/tempmail" | ||
|
|
||
| # +--------------------------------------------------------------------+ | ||
|
|
||
| # +--------------------------------------------------------------------+ | ||
| # Check Services Function | ||
| # +--------------------------------------------------------------------+ | ||
| function CheckServices() { | ||
| for monitoredService in ${MonitoredServices[@]}; do | ||
| # Load attempts, or create if not present | ||
| [[ -x $AttemptsFile ]] || ( touch $AttemptsFile ) | ||
| mDaemon=$(echo $monitoredService | awk -F'=' '{print $1}') | ||
| mService=$(echo $monitoredService | awk -F'=' '{print $2}') | ||
| serviceCheck=$(ps -C $mDaemon --no-heading) | ||
| dateStamp=$(date +%Y%m%d) | ||
| if [[ -z "$serviceCheck" ]]; then | ||
| # Service is not running! | ||
| # Check # of attempts, if present | ||
| serviceAttempts=$(grep -e "^$mService=" $AttemptsFile | awk -F'=' '{print $2}') | ||
| if [[ -z "$serviceAttempts" || "$serviceAttempts" -le "$MaxRestartAttempts" ]]; then | ||
| # Start Service | ||
| /sbin/service $mService start | ||
| # Increment restart attempts | ||
| attemptCount=$(grep -e "^$mService=" $AttemptsFile | awk -F'=' '{print $2}') | ||
| if [[ -z $attemptCount ]]; then | ||
| attemptCount=1 | ||
| echo "$mService=$attemptCount" >> $AttemptsFile | ||
| echo "date$mService=$dateStamp" >> $AttemptsFile | ||
| else | ||
| attemptCount=$(($attemptCount+1)) | ||
| sed -i "/^$mService=/ c\\$mService=$attemptCount" $AttemptsFile | ||
| sed -i "/^date$mService=/ c\date$mService=$dateStamp" $AttemptsFile | ||
| fi | ||
| AlertOnFailure | ||
| fi | ||
| else | ||
| if [[ "$RestartExpiry" -eq "1" ]]; then | ||
| checkDate=$(grep -e "^date$mService=" $AttemptsFile | awk -F'=' '{print $2}') | ||
|
|
||
| if [[ -n "$checkDate" && "$checkDate" -ne "$dateStamp" ]]; then | ||
| sed -i "/^$mService=/d" $AttemptsFile | ||
| sed -i "/^date$mService=/d" $AttemptsFile | ||
| fi | ||
| fi | ||
| fi | ||
| done | ||
| } | ||
|
|
||
| # +--------------------------------------------------------------------+ | ||
| # Alert On Failure Notification Function | ||
| # +--------------------------------------------------------------------+ | ||
| function AlertOnFailure() { | ||
| logger -p "daemon.alert" "EFA Monitor ALERT: Service $mService down and restarted ( $attemptCount attempts in past day, max attempts is $MaxRestartAttempts )" | ||
| echo "From: $MAILFROM" > $TMPMAIL | ||
| echo "To: $MAILTO" >> $TMPMAIL | ||
| echo "Reply-To: $MAILFROM" >> $TMPMAIL | ||
| echo "Subject: $MAILSUBJECT" >> $TMPMAIL | ||
| echo "" >> $TMPMAIL | ||
| echo "Service $mService down and restarted ( $attemptCount attempts in past day, max attempts is $MaxRestartAttempts )" >> $TMPMAIL | ||
| echo "" >> $TMPMAIL | ||
| echo "Please examine your EFA logs and resources to determine cause of failure." >> $TMPMAIL | ||
| cat $TMPMAIL | $SENDMAIL -t | ||
| rm $TMPMAIL | ||
| } | ||
| # +--------------------------------------------------------------------+ | ||
|
|
||
| # +--------------------------------------------------------------------+ | ||
| # Main Function | ||
| # +--------------------------------------------------------------------+ | ||
| CheckServices |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| # +---------------------------------------------------+ | ||
| # Function to toggle EFA Monitor for Maintenance | ||
| # +---------------------------------------------------+ | ||
| func_maintenance-mode() { | ||
| func_echo-header | ||
| echo -e "$green[EFA]$clean - Maintenance Mode" | ||
| echo -e "" | ||
| echo -e "$green[EFA]$clean This option will toggle EFA Monitor to allow for Maintenance" | ||
| echo -e "" | ||
| [[ -f /etc/cron.d/EFA-Monitor.cron ]] && modeStatus="0" || modeStatus="1" | ||
|
|
||
| if [[ "$modeStatus" -eq "0" ]]; then | ||
| echo -en "$green[EFA]$clean : Enter EFA Maintenance Mode? (y/N):" | ||
| read MAINTENANCE | ||
|
|
||
| FLAG=1 | ||
| while [ $FLAG -eq 1 ] | ||
| do | ||
| if [[ $MAINTENANCE =~ ^[yY]$ ]]; then | ||
| mv -f /etc/cron.d/EFA-Monitor.cron /var/EFA | ||
| echo -e "" | ||
| echo -e "$green[EFA]$clean Maintenance mode is $green ENABLED $clean" | ||
| echo -e "" | ||
| FLAG=0 | ||
| elif [[ -z "$MAINTENANCE" || $MAINTENANCE =~ ^[nN]$ ]]; then | ||
| echo -e "" | ||
| echo -e "$green[EFA]$clean No action taken" | ||
| else | ||
| echo -e "$red[ERROR]$clean Invalid input | ||
| echo -en "$green[EFA]$clean : Enter EFA Maintenance Mode? (y/N):" | ||
| read MAINTENANCE | ||
| fi | ||
| done | ||
| else | ||
| echo -en "$green[EFA]$clean : Exit EFA Maintenance Mode? (Y/n):" | ||
| read MAINTENANCE | ||
|
|
||
| FLAG=1 | ||
| while [ $FLAG -eq 1 ] | ||
| do | ||
| if [[ -z "$MAINTENANCE" || $MAINTENANCE =~ ^[yY]$ ]]; then | ||
| [[ -f /var/EFA/EFA-Monitor.cron ]] && ( mv -f /var/EFA/EFA-Monitor.cron /etc/cron.d ) || ( echo "* * * * * root /usr/sbin/EFA-Monitor-cron" > /etc/cron.d/EFA-Monitor.cron ) | ||
| echo -e "" | ||
| echo -e "$green[EFA]$clean Maintenance mode is $green DISABLED $clean" | ||
| echo -e "" | ||
| FLAG=0 | ||
| elif [[ $MAINTENANCE =~ ^[nN]$ ]]; then | ||
| echo -e "" | ||
| echo -e "$green[EFA]$clean No action taken" | ||
| else | ||
| echo -e "$red[ERROR]$clean Invalid input | ||
| echo -en "$green[EFA]$clean : Exit EFA Maintenance Mode? (Y/n):" | ||
| read MAINTENANCE | ||
| fi | ||
| done | ||
| fi | ||
| pause | ||
|
|
||
| } | ||
| # +---------------------------------------------------+ |
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