251 lines
9.4 KiB
Bash
Executable File
251 lines
9.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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VERSION="v0.2.31"
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Github="https://github.com/mag37/dockcheck"
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RawUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/dockcheck.sh"
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### Check if there's a new release of the script:
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LatestRelease="$(curl -s -r 0-50 $RawUrl | sed -n "/VERSION/s/VERSION=//p" | tr -d '"')"
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### Variables for self updating
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ScriptBranch="main"
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ScriptArgs=( "$@" )
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ScriptPath="$(readlink -f "$0")"
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ScriptName="$(basename "$ScriptPath")"
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ScriptWorkDir="$(dirname "$ScriptPath")"
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### Help Function:
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Help() {
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echo "Syntax: dockcheck.sh [OPTION] [part of name to filter]"
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echo "Example: dockcheck.sh -a -e nextcloud,heimdall"
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echo
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echo "Options:"
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echo "-h Print this Help."
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echo "-a|y Automatic updates, without interaction."
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echo "-n No updates, only checking availability."
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echo "-e Exclude containers, separated by comma."
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echo "-p Auto-Prune dangling images after update."
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echo "-r Allow updating images for docker run, wont update the container"
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}
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while getopts "aynprhe:" options; do
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case "${options}" in
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a|y) UpdYes="yes" ;;
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n) UpdYes="no" ;;
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r) DrUp="yes" ;;
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p) PruneQ="yes" ;;
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e) Exclude=${OPTARG} ;;
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h|*) Help ; exit 0 ;;
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esac
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done
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shift "$((OPTIND-1))"
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self_update_git() {
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cd "$ScriptWorkDir" || { printf "Path error, skipping update.\n" ; return ; }
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[[ $(builtin type -P git) ]] || { printf "Git not installed, skipping update.\n" ; return ; }
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git fetch
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[ -n "$(git diff --name-only "origin/$ScriptBranch" "$ScriptName")" ] && {
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printf "%s\n" "Pulling the latest version."
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git pull --force
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git checkout "$ScriptBranch"
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git pull --force
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echo "Running the new version..."
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cd - || { printf "Path error.\n" ; return ; }
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exec "$ScriptPath" "${ScriptArgs[@]}" # run the new script with old arguments
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exit 1 # exit the old instance
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}
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echo "Local is already latest."
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}
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self_update_curl() {
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cp "$ScriptPath" "$ScriptPath".bak
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if [[ $(builtin type -P curl) ]]; then
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curl -L $RawUrl > "$ScriptPath" ; chmod +x "$ScriptPath"
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printf "%s\n" "--- starting over with the updated version ---"
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exec "$ScriptPath" "${ScriptArgs[@]}" # run the new script with old arguments
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exit 1 # exit the old instance
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else
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printf "curl not available - download the update manually: %s \n" "$RawUrl"
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fi
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}
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if [ "$VERSION" != "$LatestRelease" ] ; then
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printf "New version available! Local: %s - Latest: %s \n" "$VERSION" "$LatestRelease"
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read -r -p "Choose update procedure (or do it manually) - git/curl/[no]: " SelfUpQ
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if [[ "$SelfUpQ" == "git" ]]; then self_update_git ;
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elif [[ "$SelfUpQ" == "curl" ]]; then self_update_curl ;
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else printf "Download it manually from the repo: %s \n\n" "$Github"
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fi
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fi
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### Set $1 to a variable for name filtering later.
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SearchName="$1"
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### Create array of excludes
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IFS=',' read -r -a Excludes <<< "$Exclude" ; unset IFS
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### Check if required binary exists in PATH or directory:
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if [[ $(builtin type -P "regctl") ]]; then regbin="regctl" ;
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elif [[ -f "./regctl" ]]; then regbin="./regctl" ;
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else
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read -r -p "Required dependency 'regctl' missing, do you want it downloaded? y/[n] " GetDep
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if [[ "$GetDep" =~ [yY] ]] ; then
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### Check arch:
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case "$(uname --machine)" in
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x86_64|amd64) architecture="amd64" ;;
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arm64|aarch64) architecture="arm64";;
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*) echo "Architecture not supported, exiting." ; exit 1;;
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esac
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RegUrl="https://github.com/regclient/regclient/releases/latest/download/regctl-linux-$architecture"
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if [[ $(builtin type -P curl) ]]; then curl -L $RegUrl > ./regctl ; chmod +x ./regctl ; regbin="./regctl" ;
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elif [[ $(builtin type -P wget) ]]; then wget $RegUrl -O ./regctl ; chmod +x ./regctl ; regbin="./regctl" ;
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else
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printf "%s\n" "curl/wget not available - get regctl manually from the repo link, quitting."
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fi
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else
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printf "%s\n" "Dependency missing, quitting."
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exit 1
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fi
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fi
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### final check if binary is correct
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$regbin version &> /dev/null || { printf "%s\n" "regctl is not working - try to remove it and re-download it, exiting."; exit 1; }
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### Check docker compose binary:
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if docker compose version &> /dev/null ; then
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DockerBin="docker compose"
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elif docker-compose -v &> /dev/null; then
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DockerBin="docker-compose"
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elif docker -v &> /dev/null; then
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printf "%s\n" "No docker compose binary available, using plain docker (Not recommended!)"
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printf "%s\n" "'docker run' will ONLY update images, not the container itself."
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else
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printf "%s\n" "No docker binaries available, exiting."
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exit 1
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fi
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### Numbered List -function:
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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) $i"
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((num++))
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done
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}
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### Choose from list -function:
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choosecontainers() {
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while [[ -z "$ChoiceClean" ]]; do
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read -r -p "Enter number(s) separated by comma, [a] for all - [q] to quit: " Choice
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if [[ "$Choice" =~ [qQnN] ]] ; then
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exit 0
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elif [[ "$Choice" =~ [aAyY] ]] ; then
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SelectedUpdates=( "${GotUpdates[@]}" )
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ChoiceClean=${Choice//[,.:;]/ }
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else
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ChoiceClean=${Choice//[,.:;]/ }
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for CC in $ChoiceClean ; do
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if [[ "$CC" -lt 1 || "$CC" -gt $UpdCount ]] ; then # reset choice if out of bounds
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echo "Number not in list: $CC" ; unset ChoiceClean ; break 1
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else
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SelectedUpdates+=( "${GotUpdates[$CC-1]}" )
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fi
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done
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fi
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done
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printf "\nUpdating containers:\n"
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printf "%s\n" "${SelectedUpdates[@]}"
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printf "\n"
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}
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### Check the image-hash of every running container VS the registry
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for i in $(docker ps --filter "name=$SearchName" --format '{{.Names}}') ; do
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[[ " ${Excludes[*]} " =~ ${i} ]] && continue; # Skip if the container is excluded
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printf ". "
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RepoUrl=$(docker inspect "$i" --format='{{.Config.Image}}')
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LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}')
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### Checking for errors while setting the variable:
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if RegHash=$($regbin image digest --list "$RepoUrl" 2>/dev/null) ; then
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if [[ "$LocalHash" = *"$RegHash"* ]] ; then NoUpdates+=("$i"); else GotUpdates+=("$i"); fi
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else
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GotErrors+=("$i")
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fi
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done
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### Sort arrays alphabetically
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IFS=$'\n'
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NoUpdates=($(sort <<<"${NoUpdates[*]}"))
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GotUpdates=($(sort <<<"${GotUpdates[*]}"))
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GotErrors=($(sort <<<"${GotErrors[*]}"))
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unset IFS
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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 ${NoUpdates[*]} ]] ; then
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printf "\n\033[0;32mContainers on latest version:\033[0m\n"
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printf "%s\n" "${NoUpdates[@]}"
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fi
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if [[ -n ${GotErrors[*]} ]] ; then
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printf "\n\033[0;31mContainers with errors, wont get updated:\033[0m\n"
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printf "%s\n" "${GotErrors[@]}"
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fi
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if [[ -n ${GotUpdates[*]} ]] ; then
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printf "\n\033[0;33mContainers with updates available:\033[0m\n"
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[[ -z "$UpdYes" ]] && options || printf "%s\n" "${GotUpdates[@]}"
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fi
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### Optionally get updates if there's any
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if [ -n "$GotUpdates" ] ; then
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if [ -z "$UpdYes" ] ; then
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printf "\n\033[0;36mChoose what containers to update.\033[0m\n"
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choosecontainers
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else
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SelectedUpdates=( "${GotUpdates[@]}" )
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fi
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if [ "$UpdYes" == "${UpdYes#[Nn]}" ] ; then
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for i in "${SelectedUpdates[@]}"
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do
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unset CompleteConfs
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ContPath=$(docker inspect "$i" --format '{{ index .Config.Labels "com.docker.compose.project.working_dir" }}')
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ContConfigFile=$(docker inspect "$i" --format '{{ index .Config.Labels "com.docker.compose.project.config_files" }}')
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ContName=$(docker inspect "$i" --format '{{ index .Config.Labels "com.docker.compose.service" }}')
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ContEnv=$(docker inspect "$i" --format '{{index .Config.Labels "com.docker.compose.project.environment_file" }}')
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ContImage=$(docker inspect "$i" --format='{{.Config.Image}}')
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### Checking if compose-values are empty - hence started with docker run:
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if [ -z "$ContPath" ] ; then
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if [ "$DrUp" == "yes" ] ; then
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docker pull "$ContImage"
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printf "%s\n" "$i got a new image downloaded, rebuild manually with preferred 'docker run'-parameters"
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else
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printf "\n\033[33;1m%s\033[0m has no compose labels, probably started with docker run - \033[33;1mskipping\033[0m\n\n" "$i"
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fi
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continue
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fi
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### Checking if "com.docker.compose.project.config_files" returns the full path to the config file or just the file name
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if [[ $ContConfigFile = '/'* ]] ; then
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ComposeFile="$ContConfigFile"
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else
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ComposeFile="$ContPath/$ContConfigFile"
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fi
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### cd to the compose-file directory to account for people who use relative volumes, eg - ${PWD}/data:data
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cd "$ContPath" || { echo "Path error - skipping $i" ; continue ; }
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docker pull "$ContImage"
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### Reformat for multi-compose:
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IFS=',' read -r -a Confs <<< "$ComposeFile" ; unset IFS
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for conf in "${Confs[@]}"; do CompleteConfs+="-f $conf " ; done
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### Check if the container got an environment file set, use it if so:
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if [ -n "$ContEnv" ]; then
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$DockerBin ${CompleteConfs[@]} --env-file "$ContEnv" up -d "$ContName" # unquoted array to allow split - rework?
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else
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$DockerBin ${CompleteConfs[@]} up -d "$ContName" # unquoted array to allow split - rework?
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fi
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done
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printf "\033[0;32mAll done!\033[0m\n"
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[[ -z "$PruneQ" ]] && read -r -p "Would you like to prune dangling images? y/[n]: " PruneQ
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[[ "$PruneQ" =~ [yY] ]] && docker image prune -f
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else
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printf "\nNo updates installed, exiting.\n"
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fi
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else
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printf "\nNo updates available, exiting.\n"
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fi
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exit 0
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