115 lines
3.0 KiB
Bash
115 lines
3.0 KiB
Bash
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#!/bin/bash
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### DOCKER RUN - VERSION.
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### If running docker compose, use the main version.
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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 ng"
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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 Automatic updates, without interaction."
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echo "-n No updates, only checking availability."
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}
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while getopts "anh" options; do
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case "${options}" in
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a)
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UpdYes="yes"
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;;
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n)
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UpdYes="no"
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;;
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h|*) # help or unknown option:
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Help
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exit 0;;
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esac
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done
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### Set $1 back to $1 (ignoring the places held by getops)
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shift "$((OPTIND-1))"
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### Set $1 to a variable for later
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SearchName="$1"
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### Check if required binary exists in PATH or directory:
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if [[ $(builtin type -P "regctl") ]]; then
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regbin="regctl"
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elif [[ -f "./regctl" ]]; then
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regbin="./regctl"
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else
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printf "Required dependency 'regctl' missing, do you want it downloaded? y/[n]\n"
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read GetDep
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if [ "$GetDep" != "${GetDep#[Yy]}" ]; then
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### Check arch:
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case "$(uname --machine)" in
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x86_64|amd64)
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architecture="amd64";;
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arm64|aarch64)
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architecture="arm64";;
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*) echo "Architecture not supported, exiting." ; exit ;;
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esac
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curl -L https://github.com/regclient/regclient/releases/latest/download/regctl-linux-$architecture >./regctl
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chmod 755 ./regctl
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regbin="./regctl"
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else
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printf "Dependency missing, quitting.\n"
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exit
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fi
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fi
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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}}')
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do
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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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RegHash=$($regbin image digest --list "$RepoUrl" 2>/dev/null)
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# Check if regtcl produces errors - add to GotErrors if so.
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if [ $? -eq 0 ] ; then
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if [[ "$LocalHash" = *"$RegHash"* ]] ; then
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NoUpdates+=("$i")
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else
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GotUpdates+=("$i")
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fi
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else
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GotErrors+=("$i")
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fi
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done
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### List what containers got updates or not
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if [ -n "$NoUpdates" ] ; then
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printf "\n\033[32;1mContainers on latest version:\033[0m\n"
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printf "%s\n" "${NoUpdates[@]}"
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fi
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if [ -n "$GotUpdates" ] ; then
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printf "\n\033[31;1mContainers with updates available:\033[0m\n"
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printf "%s\n" "${GotUpdates[@]}"
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fi
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if [ -n "$GotErrors" ] ; then
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printf "\n\033[33;1mContainers with errors, wont get updated:\033[0m\n"
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printf "%s\n" "${GotErrors[@]}"
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fi
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### 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[36;1mDo you want to update? y/[n]\033[0m\n"
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read UpdYes
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fi
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if [ "$UpdYes" != "${UpdYes#[Yy]}" ] ; then
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for i in "${GotUpdates[@]}"
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do
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ContImage=$(docker inspect "$i" --format='{{.Config.Image}}')
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docker pull $ContImage
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docker restart $i
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done
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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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