Add check cron mode
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2 changed files with 43 additions and 31 deletions
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@ -4,8 +4,8 @@ Monitoring plugin to check if containers are upgradable. By default all running
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Checks are done by running Icinga/Nagios compatible check plugins inside containers. These plugins are listed inside the `CHECK_PLUGINS` associative array (on top of the file) and by default, the following plugin are declared:
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- `/usr/lib/nagios/plugins/check_apt`: for Debian based image, provide by the `monitoring-plugins-basic` debian package
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- `/usr/lib/nagios/plugins/check_apk`: for Alpine based image, see [project](https://gitea.zionetrix.net/bn8/check_apk) for install instructions
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- `/usr/lib/nagios/plugins/check_apt`: for Debian based image, provide by the `monitoring-plugins-basic` debian package
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- `/usr/lib/nagios/plugins/check_apk`: for Alpine based image, see [project](https://gitea.zionetrix.net/bn8/check_apk) for install instructions
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**Note:** The first plugin detected as installed will be used.
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@ -39,6 +39,8 @@ Usage : check_container_upgrade [-d] [-E /path/to/engine] [container1,...]
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rebuilt on status file.
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--deploy-cron Start in deploy cron mode: deploy containers known as rebuilt in status
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file.
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--check-cron Start in check cron node: check if containers need to be updated and
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trigger their rebuild.
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-d Debug mode
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-l Log file
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-C Console logging (even if log file is specify)
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@ -19,6 +19,7 @@ REBUILD=0
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REBUILD_DATA_DIR="/var/log/$(basename "$0")"
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REBUILD_CRON=0
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DEPLOY_CRON=0
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CHECK_CRON=0
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declare -rA CHECK_PLUGINS=(
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["/usr/lib/nagios/plugins/check_apt"]="/usr/lib/nagios/plugins/check_apt -u -U -t 60 -l"
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["/usr/lib/nagios/plugins/check_apk"]="/usr/lib/nagios/plugins/check_apk"
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@ -161,6 +162,8 @@ Usage : $(basename "$0") [-d] [-E /path/to/engine] [container1,...]
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rebuilt on status file.
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--deploy-cron Start in deploy cron mode: deploy containers known as rebuilt in status
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file.
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--check-cron Start in check cron node: check if containers need to be updated and
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trigger their rebuild.
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-d Debug mode
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-l Log file
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-C Console logging (even if log file is specify)
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@ -223,6 +226,9 @@ while [[ $idx -le $# ]]; do
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--deploy-cron)
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DEPLOY_CRON=1
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;;
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--check-cron)
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CHECK_CRON=1
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;;
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*)
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ONLY_CONTAINERS+=( "$OPT" )
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;;
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@ -448,33 +454,35 @@ debug "Upgradable containers (${#UPGRADABLE_CONTAINERS[@]}): $( implode ", " "${
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debug "Containers with errors (${#ERRORS[@]}): $( implode ", " "${!ERRORS[@]}" )"
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debug "Not found containers (${#NOTFOUNDS[@]}): $( implode ", " "${NOTFOUNDS[@]}" )"
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# Compute performance data
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(( CONTAINER_COUNTS=${#CHECKED_CONTAINERS[@]}+${#NOTFOUNDS[@]} ))
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PERF_DATA=(
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"uptodate_containers=${#UP_TO_DATE[@]};;;0;$CONTAINER_COUNTS"
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"upgradable_containers=${#UPGRADABLE_CONTAINERS[@]};;;0;$CONTAINER_COUNTS"
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"containers_with_errors=${#ERRORS[@]};1;;0;$CONTAINER_COUNTS"
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"unknown_state_containers=${#UNKNOWNS[@]};;;0;$CONTAINER_COUNTS"
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)
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if [[ $CHECK_CRON -eq 0 ]]; then
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# Compute performance data
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(( CONTAINER_COUNTS=${#CHECKED_CONTAINERS[@]}+${#NOTFOUNDS[@]} ))
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PERF_DATA=(
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"uptodate_containers=${#UP_TO_DATE[@]};;;0;$CONTAINER_COUNTS"
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"upgradable_containers=${#UPGRADABLE_CONTAINERS[@]};;;0;$CONTAINER_COUNTS"
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"containers_with_errors=${#ERRORS[@]};1;;0;$CONTAINER_COUNTS"
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"unknown_state_containers=${#UNKNOWNS[@]};;;0;$CONTAINER_COUNTS"
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)
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# Compute performance data as string
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PERF_DATA_TXT="$( implode " " "${PERF_DATA[@]}" )"
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# Compute performance data as string
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PERF_DATA_TXT="$( implode " " "${PERF_DATA[@]}" )"
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# Display check result message
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case $EXIT_CODE in
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0)
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message "OK - All ${#UP_TO_DATE[@]} container(s) are up-to-date |$PERF_DATA_TXT"
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;;
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1)
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message "WARNING - ${#ERRORS[@]} container(s) need to be updated |$PERF_DATA_TXT"
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;;
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2)
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message "CRITICAL - ${#ERRORS[@]} container(s) need to be updated |$PERF_DATA_TXT"
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;;
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*)
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message "UNKNOWN - fail to retrieve status of ${#UNKNOWNS[@]} container(s) |$PERF_DATA_TXT"
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;;
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esac
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# Display check result message
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case $EXIT_CODE in
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0)
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message "OK - All ${#UP_TO_DATE[@]} container(s) are up-to-date |$PERF_DATA_TXT"
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;;
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1)
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message "WARNING - ${#ERRORS[@]} container(s) need to be updated |$PERF_DATA_TXT"
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;;
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2)
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message "CRITICAL - ${#ERRORS[@]} container(s) need to be updated |$PERF_DATA_TXT"
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;;
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*)
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message "UNKNOWN - fail to retrieve status of ${#UNKNOWNS[@]} container(s) |$PERF_DATA_TXT"
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;;
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esac
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fi
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# Trigger container build (if need, enabled and docker compose file is provided)
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if [[ $REBUILD -eq 1 ]]; then
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@ -544,7 +552,7 @@ if [[ $REBUILD -eq 1 ]]; then
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done
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# Handle rebuilt containers
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if [[ ${#REBUILT_CONTAINERS[@]} -gt 0 ]]; then
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if [[ ${#REBUILT_CONTAINERS[@]} -gt 0 ]] && [[ $CHECK_CRON -eq 0 ]]; then
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message
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message "Some containers are ready to be recreated and restarted."
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message "Run the following command to do it:"
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@ -560,9 +568,11 @@ for container in "${!ERRORS[@]}"; do
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message "${container}" - "${ERRORS[${container}]}"
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done
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for container in "${!UP_TO_DATE[@]}"; do
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message "${container}" - "${UP_TO_DATE[${container}]}"
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done
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if [[ $CHECK_CRON -eq 0 ]]; then
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for container in "${!UP_TO_DATE[@]}"; do
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message "${container}" - "${UP_TO_DATE[${container}]}"
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done
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fi
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exit $EXIT_CODE
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