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Auto restart process on high cpu or if check command is failing
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| #!/usr/bin/env bash | |
| # YPTSOCKET | |
| TOP=20 | |
| YPTSOCKET=/var/www/html/AVideo/plugin/YPTSocket/server.php | |
| MAXCPU=80.0 | |
| CPUSERVICE=ytsocket.service | |
| # APACHE | |
| TIMEOUT=2 | |
| CHECK_CMD="curl --silent https://alive528.com/" | |
| SERVICE=apache2 | |
| # Check for high cpu usage and auto restart yptsocket | |
| ps ax --sort -"%cpu" -eo pid=,pcpu=,command= | head -$TOP | awk '{$1=$1};1' | while read -r line; do | |
| pid="$(echo $line | awk '{print $1}')" | |
| cpu="$(echo $line | awk '{print $2}')" | |
| command="$(echo $line | cut -d' ' -f 3-)" | |
| if (( $(echo "$cpu > $MAXCPU" | bc -l) )) && [[ "$command" == *"$YPTSOCKET"* ]]; then | |
| date | |
| echo "Restarting -----> pid = '$pid' cpu = '$cpu' cmd = '$command'" | |
| sudo systemctl restart $CPUSERVICE & | |
| fi | |
| done | |
| if [[ "$TIMEOUT" -eq 0 ]] | |
| then | |
| echo "Exiting because timeout is set to 0" | |
| exit 0 | |
| fi | |
| if ! systemctl is-active --quiet $SERVICE | |
| then | |
| echo "Exiting because $SERVICE is not running" | |
| exit 1 | |
| fi | |
| # Check if command times out then restart apache | |
| timeout $TIMEOUT $CHECK_CMD >> /dev/null | |
| if (( $? == 124 )) | |
| then | |
| date | |
| echo "Restarting $SERVICE" | |
| sudo systemctl restart $SERVICE | |
| fi |
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