Merge pull request #15 from mag37/run_rework
Did some work to allow for selecting containers which are not docker compose -containers. These containers will get skipped by default but the user have the option -r to allow updates of docker run images. This is not recommended - as you'd still need to stop and recreate the container manually to use the new image.
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mag37
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18
README.md
18
README.md
@ -13,7 +13,7 @@ ___
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## `dockcheck.sh`
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```bash
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```
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$ ./dockcheck.sh -h
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Syntax: dockcheck.sh [OPTION] [part of name to filter]
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Example: dockcheck.sh -a ng
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@ -22,10 +22,11 @@ Options:
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-h Print this Help.
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-a|y Automatic updates, without interaction.
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-n No updates, only checking availability.
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-r Allow updating images for docker run, wont update the container.
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```
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Basic example:
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```bash
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```
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$ ./dockcheck.sh
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. . .
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Containers on latest version:
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@ -45,6 +46,11 @@ Enter number(s) separated by comma, [q] to quit: 1,3
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```
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Then it proceedes to run `pull` and `up -d` on every container with updates.
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### `-r flag` :warning: disclaimer and warning:
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**Wont auto-update the containers, only their images. (compose is recommended)**
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`docker run` dont support using new images just by restarting a container.
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Containers need to be manually stopped, removed and created again to run on the new image.
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### :beetle: Squashed Bugs:
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- ~~No options for running without updates or auto update.~~
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@ -57,18 +63,12 @@ Then it proceedes to run `pull` and `up -d` on every container with updates.
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- ~~Old `docker-compose` binary-check sometimes returned false error~~
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- ~~Stacks gets updated as whole, even if only one service is chosen.~~
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- ~~Path broken occationally (from inspect) - probably due to old docker-compose binary.~~
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- ~~Script breaks if one of the chosen containers are a `docker run` container.
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### :hammer: Known issues
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- ~~No granular choice of what to update (except initial name filter).~~
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- No detailed error feedback (just skip + list what's skipped) .
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## `dockcheck_docker-run_ver.sh`
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### Wont auto-update the containers, only their images. (compose is recommended)
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Alternative version for people who use `docker run` and no composes.
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`docker run` dont support using new images just by restarting a container.
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Containers need to be stopped, removed and created again to run on the new image.
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## `dupc_function.sh`
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Function to quickly check for updates on a single contianer or list of containers by name. **Without the need of pulling**.
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Preferably placed in `.bashrc` or similar.
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24
dockcheck.sh
24
dockcheck.sh
@ -1,5 +1,5 @@
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#!/bin/bash
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VERSION="v0.1.5"
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VERSION="v0.1.6"
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Github="https://github.com/mag37/dockcheck"
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### Check if there's a new release of the script:
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@ -15,12 +15,14 @@ Help() {
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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 "-r Allow updating images for docker run, wont update the container"
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}
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while getopts "aynh" options; do
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while getopts "aynrh" options; do
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case "${options}" in
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a|y) UpdYes="yes" ;;
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n) UpdYes="no" ;;
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r) DrUp="yes" ;;
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h|*) Help ; exit 0 ;;
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esac
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done
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@ -53,12 +55,15 @@ else
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fi
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fi
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### Check docker compose binary:
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if docker compose &> /dev/null ; then
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if docker compose version &> /dev/null ; then
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DockerBin="docker compose"
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elif docker-compose -v &> /dev/null; then
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DockerBin="docker-compose"
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elif docker -v &> /dev/null; then
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printf "%s\n" "No docker compose binary available, using plain docker (Not recommended!)"
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printf "%s\n" "'docker run' will ONLY update images, not the container itself."
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else
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printf "%s\n" "No docker compose binary available, quitting."
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printf "%s\n" "No docker binaries available, exiting."
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exit
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fi
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@ -143,6 +148,17 @@ if [ -n "$GotUpdates" ] ; then
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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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### 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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ContImage=$(docker inspect "$i" --format='{{.Config.Image}}')
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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$i\033[0m has no compose labels, probably started with docker run - \033[33;1mskipping\033[0m\n\n"
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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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@ -1,144 +0,0 @@
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#!/bin/bash
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VERSION="v0.1.5"
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Github="https://github.com/mag37/dockcheck"
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### Check if there's a new release of the script:
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LatestRelease="$(curl -s -r 0-30 https://raw.githubusercontent.com/mag37/dockcheck/main/dockcheck.sh | sed -n "/VERSION/s/VERSION=//p" | tr -d '"')"
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[ "$VERSION" != "$LatestRelease" ] && printf "New version available! Latest: "$LatestRelease" - Local: "$VERSION" \nGrab it here: "$Github" \n\n"
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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|y 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 "aynh" options; do
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case "${options}" in
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a|y) UpdYes="yes" ;;
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n) UpdYes="no" ;;
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h|*) Help ; exit 0 ;;
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esac
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done
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shift "$((OPTIND-1))"
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### Set $1 to a variable for name filtering 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 [[ $(builtin type -P "regctl") ]]; then
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regbin="regctl"
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elif [[ -f "./regctl" ]]; then
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regbin="./regctl"
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else
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printf "Required dependency 'regctl' missing, do you want it downloaded? y/[n] "
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read GetDep
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if [ "$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) architecture="amd64" ;;
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arm64|aarch64) 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-$architecture >./regctl
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chmod 755 ./regctl
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regbin="./regctl"
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else
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printf "%s\n" "Dependency missing, quitting."
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exit
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fi
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fi
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### Numbered List -function:
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options() {
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num=0
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for i in "${NumberedUpdates[@]}"; do
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echo "$num) $i"
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((num++))
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done
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}
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### Choose from list -function:
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choosecontainers() {
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while [[ "$ChoiceClean" =~ [A-Za-z] || -z "$ChoiceClean" ]]; do
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read -p "Enter number(s) separated by comma, [q] to quit: " Choice
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if [[ "$Choice" =~ [qQnN] ]] ; then
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exit 0
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elif [ "$Choice" == "0" ] ; then
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SelectedUpdates=( "${NumberedUpdates[@]:1}" )
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ChoiceClean=$(echo "$Choice" |sed 's/[,.:;]/ /g')
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else
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ChoiceClean=$(echo "$Choice" |sed 's/[,.:;]/ /g')
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for s in $ChoiceClean; do
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SelectedUpdates+=( "${NumberedUpdates[$s]}" )
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done
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fi
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done
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printf "\nUpdating containers:\n"
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printf "%s\n" "${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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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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# Add container to GotErrors if regctl encounter problems.
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if [ $? -eq 0 ] ; then
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if [[ "$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 <<<"${GotErrors[*]}"))
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unset IFS
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### Create new Array to use for the numbered list:
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NumberedUpdates=(ALL "${GotUpdates[@]}")
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### List what containers got updates or not
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if [ -n "$NoUpdates" ] ; then
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printf "\n\033[32;1mContainers on latest version:\033[0m\n"
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printf "%s\n" "${NoUpdates[@]}"
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fi
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if [ -n "$GotErrors" ] ; then
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printf "\n\033[33;1mContainers with errors, wont get updated:\033[0m\n"
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printf "%s\n" "${GotErrors[@]}"
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fi
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if [ -n "$GotUpdates" ] ; then
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printf "\n\033[31;1mContainers with updates available:\033[0m\n"
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[ -z "$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 "$UpdYes" ] ; then
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printf "\n\033[36;1mChoose what container-images to update.\033[0m\n"
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choosecontainers
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else
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SelectedUpdates=( "${GotUpdates[@]}" )
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fi
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if [ "$UpdYes" == "${UpdYes#[Nn]}" ] ; then
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for i in "${SelectedUpdates[@]}"; do
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ContImage=$(docker inspect "$i" --format='{{.Config.Image}}')
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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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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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exit 0
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