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Added a node collector to export statistics to prometheus

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Thorsten Dralle 2025-01-27 20:57:19 +01:00
parent cce5438aca
commit 58d53d3aaf
4 changed files with 476 additions and 1 deletions
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34
dockcheck.sh
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@ -20,6 +20,7 @@ Help() {
echo
echo "Options:"
echo "-a|y Automatic updates, without interaction."
echo "-c Exports metrics as prom file for the prometheus node_exporter. Provide the collector textfile directory."
echo "-d N Only update to new images that are N+ days old. Lists too recent with +prefix and age. 2xSlower."
echo "-e X Exclude containers, separated by comma."
echo "-f Force stack restart after update. Caution: restarts once for every updated container within stack."
@ -47,9 +48,11 @@ c_reset="\033[0m"
Timeout=10
Stopped=""
while getopts "aynpfrhlisvme:d:t:" options; do
while getopts "aynpfrhlisvmc:e:d:t:" options; do
case "${options}" in
a|y) AutoUp="yes" ;;
c) CollectorTextFileDirectory="${OPTARG}"
if ! [[ -d $CollectorTextFileDirectory ]] ; then { printf "The directory (%s) does not exist.\n" "${CollectorTextFileDirectory}" ; exit 2; } fi ;;
n) AutoUp="no" ;;
r) DRunUp="yes" ;;
p) AutoPrune="yes" ;;
@ -309,6 +312,35 @@ NoUpdates=($(sort <<<"${NoUpdates[*]}"))
GotUpdates=($(sort <<<"${GotUpdates[*]}"))
unset IFS
if [ -n "$CollectorTextFileDirectory" ] ; then
checkedImages=$((${#NoUpdates[@]} + ${#GotUpdates[@]} + ${#GotErrors[@]}))
checkTimestamp=$(date +%s)
promFileContent=()
promFileContent+=("# HELP dockcheck_images_analyzed Docker images that have been analyzed")
promFileContent+=("# TYPE dockcheck_images_analyzed gauge")
promFileContent+=("dockcheck_images_analyzed $checkedImages")
promFileContent+=("# HELP dockcheck_images_outdated Docker images that are outdated")
promFileContent+=("# TYPE dockcheck_images_outdated gauge")
promFileContent+=("dockcheck_images_outdated ${#GotUpdates[@]}")
promFileContent+=("# HELP dockcheck_images_latest Docker images that are outdated")
promFileContent+=("# TYPE dockcheck_images_latest gauge")
promFileContent+=("dockcheck_images_latest ${#NoUpdates[@]}")
promFileContent+=("# HELP dockcheck_images_error Docker images with analysis errors")
promFileContent+=("# TYPE dockcheck_images_error gauge")
promFileContent+=("dockcheck_images_error ${#GotErrors[@]}")
promFileContent+=("# HELP dockcheck_images_analyze_timestamp_seconds Last dockercheck run time")
promFileContent+=("# TYPE dockcheck_images_analyze_timestamp_seconds gauge")
promFileContent+=("dockcheck_images_analyze_timestamp_seconds $checkTimestamp")
printf "%s\n" "${promFileContent[@]}" > "$CollectorTextFileDirectory/dockcheck_info.prom\$\$"
mv -f "$CollectorTextFileDirectory/dockcheck_info.prom\$\$" "$CollectorTextFileDirectory/dockcheck_info.prom"
fi
# Define how many updates are available
UpdCount="${#GotUpdates[@]}"