mirror of
https://github.com/mag37/dockcheck.git
synced 2026-02-14 23:38:15 +01:00
WIP: Phase 3 async processing - needs syntax fixes
- Added async container checking with xargs -P support - Implemented check_image() function for subprocess execution - Updated container processing to use async pattern - Added proper timeout handling and improved error checking - Need to resolve syntax issues in update logic section
This commit is contained in:
sudo-kraken
parent
a77abafc04
commit
fee18898b5
1 changed files with 251 additions and 144 deletions
395
podcheck.sh
395
podcheck.sh
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@ -375,8 +375,6 @@ distro_checker() {
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fi
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}
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}
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# Static binary downloader for dependencies
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binary_downloader() {
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BinaryName="$1"
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@ -461,25 +459,48 @@ dependency_check() {
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dependency_check "regctl" "regbin" "https://github.com/regclient/regclient/releases/latest/download/regctl-linux-TEMP"
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dependency_check "jq" "jqbin" "https://github.com/jqlang/jq/releases/latest/download/jq-linux-TEMP"
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# Version check & initiate self update
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if [[ "$LatestRelease" != "undefined" ]]; then
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if [[ "$VERSION" != "$LatestRelease" ]]; then
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printf "New version available! %b%s%b ⇒ %b%s%b \n Change Notes: %s \n" "$c_yellow" "$VERSION" "$c_reset" "$c_green" "$LatestRelease" "$c_reset" "$LatestChanges"
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if [[ "$AutoMode" == false ]]; then
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read -r -p "Would you like to update? y/[n]: " SelfUpdate
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[[ "$SelfUpdate" =~ [yY] ]] && self_update
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elif [[ "$AutoMode" == true ]] && [[ "$AutoSelfUpdate" == true ]]; then
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self_update;
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else
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[[ "$Notify" == true ]] && { exec_if_exists_or_fail podcheck_notification "$VERSION" "$LatestRelease" "$LatestChanges" || printf "Could not source notification function.\n"; }
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fi
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fi
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else
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printf "ERROR: Failed to curl latest Podcheck.sh release version.\n"
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fi
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# Version check for notify templates
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[[ "$Notify" == true ]] && [[ ! -s "${ScriptWorkDir}/notify.sh" ]] && { exec_if_exists_or_fail notify_update_notification || printf "Could not source notify notification function.\n"; }
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# Check podman compose binary
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if podman compose version &>/dev/null; then
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PodmanComposeBin="podman compose"
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elif command -v podman-compose &>/dev/null; then
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PodmanComposeBin="podman-compose"
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elif podman version &>/dev/null; then
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printf "%s\n" "No podman-compose binary available, using plain podman"
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podman info &>/dev/null || { printf "\n%bYour current user does not have permissions to the podman socket - may require root / podman group. Exiting.%b\n" "$c_red" "$c_reset"; exit 1; }
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if podman compose version &>/dev/null; then
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PodmanBin="podman compose" ;
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elif podman-compose version &>/dev/null; then
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PodmanBin="podman-compose" ;
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elif podman -v &>/dev/null; then
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printf "%s\n" "No podman compose binary available, using plain podman (Not recommended!)"
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printf "%s\n" "'podman run' will ONLY update images, not the container itself."
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else
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printf "%s\n" "No podman binaries available, exiting."
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exit 1
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fi
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options() {
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num=1
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for i in "${GotUpdates[@]}"; do
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echo "$num) $i"
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((num++))
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done
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}
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# Listing typed exclusions
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if [[ -n ${Excludes[*]:-} ]]; then
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printf "\n%bExcluding these names:%b\n" "$c_blue" "$c_reset"
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printf "%s\n" "${Excludes[@]}"
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printf "\n"
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fi
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if [[ -n "${Excludes[*]}" ]]; then
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printf "\n%bExcluding these names:%b\n" "$c_blue" "$c_reset"
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@ -493,118 +514,245 @@ start_time=$(date +%s)
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printf "\n%bStarting container update check%b\n" "$c_blue" "$c_reset"
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process_container() {
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local container="$1"
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((RegCheckQue++))
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progress_bar "$RegCheckQue" "$ContCount"
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for e in "${Excludes[@]}"; do
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if [[ "$container" == "$e" ]]; then
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return 0
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# Testing and setting timeout binary
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t_out=$(command -v timeout || echo "")
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if [[ $t_out ]]; then
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t_out=$(realpath "$t_out" 2>/dev/null || readlink -f "$t_out")
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if [[ $t_out =~ "busybox" ]]; then
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t_out="timeout ${Timeout}"
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else
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t_out="timeout --foreground ${Timeout}"
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fi
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else
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t_out=""
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fi
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check_image() {
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i="$1"
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local Excludes=($Excludes_string)
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for e in "${Excludes[@]}"; do
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if [[ "$i" == "$e" ]]; then
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printf "%s\n" "Skip $i"
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return
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fi
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done
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local ImageId RepoUrl LocalHash RegHash
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if ! ImageId=$(podman inspect "$container" --format='{{.Image}}'); then
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echo "Error: Failed to get image ID for container $container"
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return 0
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# Skipping non-compose containers unless option is set
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ContLabels=$(podman inspect "$i" --format '{{json .Config.Labels}}')
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ContPath=$($jqbin -r '."com.docker.compose.project.working_dir"' <<< "$ContLabels")
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[[ "$ContPath" == "null" ]] && ContPath=""
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if [[ -z "$ContPath" ]] && [[ "$DRunUp" == false ]]; then
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printf "%s\n" "NoUpdates !$i - not checked, no compose file"
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return
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fi
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if ! RepoUrl=$(podman inspect "$container" --format='{{.ImageName}}'); then
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return 0
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fi
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if ! LocalHash=$(podman image inspect "$ImageId" --format '{{.RepoDigests}}'); then
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return 0
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fi
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if RegHash=$(${t_out} $regbin -v error image digest --list "$RepoUrl" 2>/dev/null | xargs); then
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if [[ -n "$RegHash" ]]; then
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if [[ "$LocalHash" == *"$RegHash"* ]]; then
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NoUpdates+=("$container")
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else
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# Create a separate array for notifications
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NotifyUpdates+=("$container")
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# Add to GotUpdates for update logic
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GotUpdates+=("$container")
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# If it's too recent based on age check, move it to NoUpdates for display
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# but keep it in NotifyUpdates
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if [[ -n "${DaysOld:-}" ]] && ! datecheck; then
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NoUpdates+=("+$container ${ImageAge}d")
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# Remove from GotUpdates for update logic
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for i in "${!GotUpdates[@]}"; do
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if [[ "${GotUpdates[i]}" = "$container" ]]; then
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unset 'GotUpdates[i]'
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break
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fi
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done
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# Re-index array after removal
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GotUpdates=("${GotUpdates[@]}")
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fi
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fi
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local NoUpdates GotUpdates GotErrors
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ImageId=$(podman inspect "$i" --format='{{.Image}}')
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RepoUrl=$(podman inspect "$i" --format='{{.Config.Image}}')
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LocalHash=$(podman image inspect "$ImageId" --format '{{.RepoDigests}}')
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# Checking for errors while setting the variable
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if RegHash=$($t_out "$regbin" -v error image digest --list "$RepoUrl" 2>&1); then
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if [[ "$LocalHash" == *"$RegHash"* ]]; then
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printf "%s\n" "NoUpdates $i"
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else
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GotErrors+=("$container - No digest returned")
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if [[ -n "${DaysOld:-}" ]] && ! datecheck; then
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printf "%s\n" "NoUpdates +$i ${ImageAge}d"
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else
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printf "%s\n" "GotUpdates $i"
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fi
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fi
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else
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GotErrors+=("$container - Error checking registry")
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printf "%s\n" "GotErrors $i - ${RegHash}" # Reghash contains an error code here
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fi
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}
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# Main loop to process all containers
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for container in $(podman ps $Stopped --filter "name=$SearchName" --format '{{.Names}}'); do
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process_container "$container" || true
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done
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# Make required functions and variables available to subprocesses
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export -f check_image datecheck
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export Excludes_string="${Excludes[*]:-}" # Can only export scalar variables
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export t_out regbin RepoUrl DaysOld DRunUp jqbin
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# Check for POSIX xargs with -P option, fallback without async
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if (echo "test" | xargs -P 2 >/dev/null 2>&1) && [[ "$MaxAsync" != 0 ]]; then
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XargsAsync="-P $MaxAsync"
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else
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XargsAsync=""
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[[ "$MaxAsync" != 0 ]] && printf "%bMissing POSIX xargs, consider installing 'findutils' for asynchronous lookups.%b\n" "$c_yellow" "$c_reset"
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fi
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# Variables for progress_bar function
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ContCount=$(podman ps $Stopped --filter "name=$SearchName" --format '{{.Names}}' | wc -l)
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RegCheckQue=0
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# Asynchronously check the image-hash of every running container VS the registry
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while read -r line; do
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((RegCheckQue+=1))
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if [[ "$MonoMode" == false ]]; then progress_bar "$RegCheckQue" "$ContCount"; fi
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Got=${line%% *} # Extracts the first word (NoUpdates, GotUpdates, GotErrors)
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item=${line#* }
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case "$Got" in
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NoUpdates) NoUpdates+=("$item") ;;
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GotUpdates) GotUpdates+=("$item") ;;
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GotErrors) GotErrors+=("$item") ;;
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Skip) ;;
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*) echo "Error! Unexpected output from subprocess: ${line}" ;;
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esac
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done < <( \
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podman ps $Stopped --filter "name=$SearchName" --format '{{.Names}}' | \
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xargs $XargsAsync -I {} bash -c 'check_image "{}"' \
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)
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# Sort arrays alphabetically
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IFS=$'\n'
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NoUpdates=($(sort <<<"${NoUpdates[*]}"))
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GotUpdates=($(sort <<<"${GotUpdates[*]}"))
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NoUpdates=($(sort <<<"${NoUpdates[*]:-}"))
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GotUpdates=($(sort <<<"${GotUpdates[*]:-}"))
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unset IFS
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echo ""
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echo "===== Summary ====="
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if [[ -n "${NoUpdates[*]}" ]]; then
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# Run the prometheus exporter function
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if [[ -n "${CollectorTextFileDirectory:-}" ]]; then
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exec_if_exists_or_fail prometheus_exporter ${#NoUpdates[@]} ${#GotUpdates[@]} ${#GotErrors[@]} || printf "%s\n" "Could not source prometheus exporter function."
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fi
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# Define how many updates are available
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UpdCount="${#GotUpdates[@]}"
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# List what containers got updates or not
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if [[ -n ${NoUpdates[*]:-} ]]; then
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printf "\n%bContainers on latest version:%b\n" "$c_green" "$c_reset"
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printf "%s\n" "${NoUpdates[@]}"
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fi
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if [[ -n "${GotErrors[*]}" ]]; then
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printf "\n%bContainers with errors; won't get updated:%b\n" "$c_red" "$c_reset"
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if [[ -n ${GotErrors[*]:-} ]]; then
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printf "\n%bContainers with errors, won't get updated:%b\n" "$c_red" "$c_reset"
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printf "%s\n" "${GotErrors[@]}"
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printf "%binfo:%b 'unauthorized' often means not found in a public registry.\n" "$c_blue" "$c_reset"
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fi
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if [[ -n "${GotUpdates[*]}" ]]; then
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if [[ -n ${GotUpdates[*]:-} ]]; then
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printf "\n%bContainers with updates available:%b\n" "$c_yellow" "$c_reset"
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printf "%s\n" "${GotUpdates[@]}"
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if [[ -s "$ScriptWorkDir/urls.list" ]] && [[ "$PrintReleaseURL" == true ]]; then
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releasenotes;
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else
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Updates=("${GotUpdates[@]}");
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fi
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[[ "$AutoMode" == false ]] && list_options || printf "%s\n" "${Updates[@]}"
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[[ "$Notify" == true ]] && { exec_if_exists_or_fail send_notification "${GotUpdates[@]}" || printf "\nCould not source notification function.\n"; }
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else
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[[ "$Notify" == true ]] && [[ ! -s "${ScriptWorkDir}/notify.sh" ]] && { exec_if_exists_or_fail send_notification "${GotUpdates[@]}" || printf "\nCould not source notification function.\n"; }
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fi
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echo "Found ${#GotUpdates[@]} containers with updates available"
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if [[ -n "${GotUpdates[*]}" ]]; then
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UpdCount="${#GotUpdates[@]}"
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# Send notification if -i flag was used, regardless of other options
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[[ "${Notify:-}" == "yes" && -n "${NotifyUpdates[*]}" ]] && send_notification "${NotifyUpdates[@]}"
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if [[ "$NoUpdateMode" == true ]]; then
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printf "\n%bNo updates will be performed due to -n flag.%b\n" "$c_blue" "$c_reset"
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elif [[ "$AutoUp" == "yes" ]]; then
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SelectedUpdates=( "${GotUpdates[@]}" )
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else
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printf "\n%bChoose what containers to update:%b\n" "$c_teal" "$c_reset"
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options
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# Optionally get updates if there's any
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if [[ -n "${GotUpdates:-}" ]]; then
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if [[ "$AutoMode" == false ]]; then
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printf "\n%bChoose what containers to update.%b\n" "$c_teal" "$c_reset"
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choosecontainers
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else
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SelectedUpdates=( "${GotUpdates[@]}" )
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fi
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if [[ "$DontUpdate" == false ]]; then
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printf "\n%bUpdating container(s):%b\n" "$c_blue" "$c_reset"
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printf "%s\n" "${SelectedUpdates[@]}"
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if [ "${#SelectedUpdates[@]}" -gt 0 ]; then
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NumberofUpdates="${#SelectedUpdates[@]}"
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CurrentQue=0
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for i in "${SelectedUpdates[@]}"; do
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((CurrentQue+=1))
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printf "\n%bNow updating (%s/%s): %b%s%b\n" "$c_teal" "$CurrentQue" "$NumberofUpdates" "$c_blue" "$i" "$c_reset"
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ContLabels=$(podman inspect "$i" --format '{{json .Config.Labels}}')
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ContImage=$(podman inspect "$i" --format='{{.Config.Image}}')
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ContPath=$($jqbin -r '."com.docker.compose.project.working_dir"' <<< "$ContLabels")
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[[ "$ContPath" == "null" ]] && ContPath=""
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ContUpdateLabel=$($jqbin -r '."mag37.dockcheck.update"' <<< "$ContLabels")
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[[ "$ContUpdateLabel" == "null" ]] && ContUpdateLabel=""
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# Checking if Label Only -option is set, and if container got the label
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[[ "$OnlyLabel" == true ]] && { [[ "$ContUpdateLabel" != true ]] && { echo "No update label, skipping."; continue; } }
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# Checking if compose-values are empty - hence started with podman run
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if [[ -z "$ContPath" ]]; then
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if [[ "$DRunUp" == true ]]; then
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podman pull "$ContImage"
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printf "%s\n" "$i got a new image downloaded, rebuild manually with preferred 'podman run'-parameters"
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else
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printf "\n%b%s%b has no compose labels, probably started with podman run - %bskipping%b\n\n" "$c_yellow" "$i" "$c_reset" "$c_yellow" "$c_reset"
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fi
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continue
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fi
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podman pull "$ContImage" || { printf "\n%bPodman error, exiting!%b\n" "$c_red" "$c_reset" ; exit 1; }
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done
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printf "\n%bDone pulling updates. %bRecreating updated containers.%b\n" "$c_green" "$c_blue" "$c_reset"
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CurrentQue=0
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for i in "${SelectedUpdates[@]}"; do
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((CurrentQue+=1))
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unset CompleteConfs
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# Extract labels and metadata
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ContLabels=$(podman inspect "$i" --format '{{json .Config.Labels}}')
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ContImage=$(podman inspect "$i" --format='{{.ImageName}}')
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ContImage=$(podman inspect "$i" --format='{{.Config.Image}}')
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ContPath=$($jqbin -r '."com.docker.compose.project.working_dir"' <<< "$ContLabels")
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[ "$ContPath" == "null" ] && ContPath=""
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[[ "$ContPath" == "null" ]] && ContPath=""
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ContConfigFile=$($jqbin -r '."com.docker.compose.project.config_files"' <<< "$ContLabels")
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[ "$ContConfigFile" == "null" ] && ContConfigFile=""
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[[ "$ContConfigFile" == "null" ]] && ContConfigFile=""
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ContName=$($jqbin -r '."com.docker.compose.service"' <<< "$ContLabels")
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[[ "$ContName" == "null" ]] && ContName=""
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ContEnv=$($jqbin -r '."com.docker.compose.project.environment_file"' <<< "$ContLabels")
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[[ "$ContEnv" == "null" ]] && ContEnv=""
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ContUpdateLabel=$($jqbin -r '."mag37.dockcheck.update"' <<< "$ContLabels")
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[[ "$ContUpdateLabel" == "null" ]] && ContUpdateLabel=""
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ContRestartStack=$($jqbin -r '."mag37.dockcheck.restart-stack"' <<< "$ContLabels")
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[[ "$ContRestartStack" == "null" ]] && ContRestartStack=""
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ContOnlySpecific=$($jqbin -r '."mag37.dockcheck.only-specific-container"' <<< "$ContLabels")
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[[ "$ContOnlySpecific" == "null" ]] && ContRestartStack=""
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printf "\n%bNow recreating (%s/%s): %b%s%b\n" "$c_teal" "$CurrentQue" "$NumberofUpdates" "$c_blue" "$i" "$c_reset"
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# Checking if compose-values are empty - hence started with podman run
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[[ -z "$ContPath" ]] && { echo "Not a compose container, skipping."; continue; }
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# Checking if Label Only -option is set, and if container got the label
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[[ "$OnlyLabel" == true ]] && { [[ "$ContUpdateLabel" != true ]] && { echo "No update label, skipping."; continue; } }
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# cd to the compose-file directory to account for people who use relative volumes
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cd "$ContPath" || { printf "\n%bPath error - skipping%b %s" "$c_red" "$c_reset" "$i"; continue; }
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## Reformatting path + multi compose
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if [[ $ContConfigFile == '/'* ]]; then
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CompleteConfs=$(for conf in ${ContConfigFile//,/ }; do printf -- "-f %s " "$conf"; done)
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else
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CompleteConfs=$(for conf in ${ContConfigFile//,/ }; do printf -- "-f %s/%s " "$ContPath" "$conf"; done)
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fi
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# Check if the container got an environment file set and reformat it
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ContEnvs=""
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if [[ -n "$ContEnv" ]]; then
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ContEnvs=$(for env in ${ContEnv//,/ }; do printf -- "--env-file %s " "$env"; done);
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fi
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# Set variable when compose up should only target the specific container, not the stack
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if [[ $OnlySpecific == true ]] || [[ $ContOnlySpecific == true ]]; then
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SpecificContainer="$ContName";
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fi
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# Check if the whole stack should be restarted
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if [[ "$ContRestartStack" == true ]] || [[ "$ForceRestartStacks" == true ]]; then
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${PodmanBin} ${CompleteConfs} stop; ${PodmanBin} ${CompleteConfs} ${ContEnvs} up -d || { printf "\n%bPodman error, exiting!%b\n" "$c_red" "$c_reset" ; exit 1; }
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else
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${PodmanBin} ${CompleteConfs} ${ContEnvs} up -d ${SpecificContainer} || { printf "\n%bPodman error, exiting!%b\n" "$c_red" "$c_reset" ; exit 1; }
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fi
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done
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if [[ "$AutoPrune" == false ]] && [[ "$AutoMode" == false ]]; then
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printf "\n"; read -rep "Would you like to prune dangling images? y/[n]: " AutoPrune;
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fi
|
||||
if [[ "$AutoPrune" == true ]] || [[ "$AutoPrune" =~ [yY] ]]; then
|
||||
printf "\nAuto pruning.."; podman image prune -f;
|
||||
fi
|
||||
printf "\n%bAll done!%b\n" "$c_green" "$c_reset"
|
||||
else
|
||||
printf "\nNo updates installed, exiting.\n"
|
||||
fi
|
||||
else
|
||||
printf "\nNo updates available, exiting.\n"
|
||||
fi
|
||||
|
||||
exit 0
|
||||
ContName=$($jqbin -r '."com.docker.compose.service"' <<< "$ContLabels")
|
||||
[ "$ContName" == "null" ] && ContName=""
|
||||
ContEnv=$($jqbin -r '."com.docker.compose.project.environment_file"' <<< "$ContLabels")
|
||||
|
|
@ -659,22 +807,19 @@ if [[ -n "${GotUpdates[*]}" ]]; then
|
|||
ContEnvs=$(for env in ${ContEnv//,/ }; do printf -- "--env-file %s " "$env"; done)
|
||||
fi
|
||||
if [[ "$ContRestartStack" == "true" ]] || [[ "$ForceRestartPods" == true ]]; then
|
||||
$PodmanComposeBin ${CompleteConfs} down
|
||||
$PodmanComposeBin ${CompleteConfs} ${ContEnvs} up -d
|
||||
${PodmanBin} ${CompleteConfs} down
|
||||
${PodmanBin} ${CompleteConfs} ${ContEnvs} up -d
|
||||
else
|
||||
$PodmanComposeBin ${CompleteConfs} ${ContEnvs} up -d ${ContName}
|
||||
${PodmanBin} ${CompleteConfs} ${ContEnvs} up -d ${ContName}
|
||||
fi
|
||||
done
|
||||
if [[ "$AutoPrune" == false ]] && [[ "$AutoMode" == false ]]; then
|
||||
printf "\n"; read -rep "Would you like to prune dangling images? y/[n]: " AutoPrune;
|
||||
fi
|
||||
if [[ "$AutoPrune" == true ]] || [[ "$AutoPrune" =~ [yY] ]]; then
|
||||
printf "\nAuto pruning.."; podman image prune -f;
|
||||
fi
|
||||
printf "\n%bAll done!%b\n" "$c_green" "$c_reset"
|
||||
if [[ -z "$AutoPrune" ]] && [[ "$AutoUp" == "no" ]]; then
|
||||
read -r -p "Would you like to prune dangling images? y/[n]: " AutoPrune
|
||||
fi
|
||||
|
||||
if [[ "$AutoPrune" =~ [yY] ]] || [[ "$AutoUp" == "yes" ]]; then
|
||||
printf "\n%bCleaning up failed update images...%b\n\n" "$c_teal" "$c_reset"
|
||||
podman image prune -f
|
||||
printf "\n"
|
||||
fi
|
||||
else
|
||||
printf "\nNo updates installed, exiting.\n"
|
||||
fi
|
||||
|
|
@ -682,42 +827,4 @@ else
|
|||
printf "\nNo updates available, exiting.\n"
|
||||
fi
|
||||
|
||||
# Export metrics if collector directory was specified
|
||||
if [[ -n "${CollectorTextFileDirectory:-}" ]]; then
|
||||
# Calculate check duration
|
||||
end_time=$(date +%s)
|
||||
check_duration=$((end_time - start_time))
|
||||
|
||||
# Source the prometheus collector script if it exists
|
||||
if [[ -f "$ScriptWorkDir/addons/prometheus/prometheus_collector.sh" ]]; then
|
||||
source "$ScriptWorkDir/addons/prometheus/prometheus_collector.sh"
|
||||
# Call the prometheus_exporter with appropriate metrics
|
||||
prometheus_exporter "${#NoUpdates[@]}" "${#GotUpdates[@]}" "${#GotErrors[@]}" "$ContCount" "$check_duration"
|
||||
printf "\n%bPrometheus metrics exported to: %s/podcheck.prom%b\n" "$c_teal" "$CollectorTextFileDirectory" "$c_reset"
|
||||
else
|
||||
# Fallback if the collector script isn't found
|
||||
cat > "$CollectorTextFileDirectory/podcheck.prom" <<EOF
|
||||
# HELP podcheck_no_updates Number of containers already on latest image
|
||||
# TYPE podcheck_no_updates gauge
|
||||
podcheck_no_updates ${#NoUpdates[@]}
|
||||
# HELP podcheck_updates Number of containers with updates available
|
||||
# TYPE podcheck_updates gauge
|
||||
podcheck_updates ${#GotUpdates[@]}
|
||||
# HELP podcheck_errors Number of containers with errors during update check
|
||||
# TYPE podcheck_errors gauge
|
||||
podcheck_errors ${#GotErrors[@]}
|
||||
# HELP podcheck_total Total number of containers checked
|
||||
# TYPE podcheck_total gauge
|
||||
podcheck_total ${ContCount}
|
||||
# HELP podcheck_check_duration Duration in seconds for the update check
|
||||
# TYPE podcheck_check_duration gauge
|
||||
podcheck_check_duration ${check_duration}
|
||||
# HELP podcheck_last_check_timestamp Epoch timestamp of the last update check
|
||||
# TYPE podcheck_last_check_timestamp gauge
|
||||
podcheck_last_check_timestamp $(date +%s)
|
||||
EOF
|
||||
printf "\n%bPrometheus metrics exported to: %s/podcheck.prom%b\n" "$c_teal" "$CollectorTextFileDirectory" "$c_reset"
|
||||
fi
|
||||
fi
|
||||
|
||||
exit 0
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue