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If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md index 3c11d5f..2ad82da 100644 --- a/README.md +++ b/README.md @@ -1,12 +1,11 @@ # dockcheck ### A script checking updates for docker images **without pulling** - then selectively auto-update some/all containers. - -With the help of [`regctl`](https://github.com/regclient/regclient). This is just a concept for inspiration, use with care. ___ ## Dependencies: Running docker (duh) and compose, either standalone or plugin. -`regctl` by [regclient](https://github.com/regclient/regclient) (will ask to download `regctl` if not in `PATH` or `PWD`) +[`regclient/regctl`](https://github.com/regclient/regclient) (Licensed under [Apache-2.0 License](http://www.apache.org/licenses/LICENSE-2.0)) +User will be prompted to download `regctl` if not in `PATH` or `PWD` ___ @@ -22,6 +21,7 @@ Options: -h Print this Help. -a|y Automatic updates, without interaction. -n No updates, only checking availability. +-p Auto-Prune dangling images after update. -r Allow updating images for docker run, wont update the container. ``` @@ -34,17 +34,17 @@ glances homer Containers with updates available: -0) ALL 1) adguardhome 2) syncthing 3) whoogle-search Choose what containers to update: -Enter number(s) separated by comma, [q] to quit: 1,3 +Enter number(s) separated by comma, [a] for all - [q] to quit: ``` Then it proceedes to run `pull` and `up -d` on every container with updates. +After the updates are complete, you'll get prompted if you'd like to prune dangling images. ### `-r flag` :warning: disclaimer and warning: **Wont auto-update the containers, only their images. (compose is recommended)** @@ -65,6 +65,7 @@ Containers need to be manually stopped, removed and created again to run on the - ~~Path broken occationally (from inspect) - probably due to old docker-compose binary.~~ - ~~Script breaks if one of the chosen containers are a `docker run` container.~~ - ~~Using relative paths for volumes eg. `${PWD}/data:data` will create the volumes where you stand.~~ +- ~~Having no curl/wget leads to corrupt `regctl` without alerting.~~ ### :hammer: Known issues - ~~No granular choice of what to update (except initial name filter).~~ @@ -80,6 +81,9 @@ Updates available for local_nginx. nginx_reverse is already latest. Updates available for paperless-ng. ``` +# License +dockcheck is created and released under the [GNU GPL v3.0](https://www.gnu.org/licenses/gpl-3.0-standalone.html) license. + ## Also check out a spinoff brother-project [Palleri/dockcheck-web](https://github.com/Palleri/dockcheck-web) for a WebUI-front! --- diff --git a/dockcheck.sh b/dockcheck.sh index 90e536f..2ff2559 100755 --- a/dockcheck.sh +++ b/dockcheck.sh @@ -1,5 +1,5 @@ -#!/bin/bash -VERSION="v0.1.7" +#!/usr/bin/env bash +VERSION="v0.1.8" Github="https://github.com/mag37/dockcheck" ### Check if there's a new release of the script: @@ -15,14 +15,16 @@ Help() { echo "-h Print this Help." echo "-a|y Automatic updates, without interaction." echo "-n No updates, only checking availability." + echo "-p Auto-Prune dangling images after update." echo "-r Allow updating images for docker run, wont update the container" } -while getopts "aynrh" options; do +while getopts "aynprh" options; do case "${options}" in a|y) UpdYes="yes" ;; n) UpdYes="no" ;; r) DrUp="yes" ;; + p) PruneQ="yes" ;; h|*) Help ; exit 0 ;; esac done @@ -32,28 +34,31 @@ shift "$((OPTIND-1))" SearchName="$1" ### Check if required binary exists in PATH or directory: -if [[ $(builtin type -P "regctl") ]]; then - regbin="regctl" -elif [[ -f "./regctl" ]]; then - regbin="./regctl" +if [[ $(builtin type -P "regctl") ]]; then regbin="regctl" ; +elif [[ -f "./regctl" ]]; then regbin="./regctl" ; else - printf "Required dependency 'regctl' missing, do you want it downloaded? y/[n] " - read -r GetDep - if [ "$GetDep" != "${GetDep#[Yy]}" ]; then + read -r -p "Required dependency 'regctl' missing, do you want it downloaded? y/[n] " GetDep + if [[ "$GetDep" =~ [yY] ]] ; then ### Check arch: case "$(uname --machine)" in x86_64|amd64) architecture="amd64" ;; arm64|aarch64) architecture="arm64";; - *) echo "Architecture not supported, exiting." ; exit ;; + *) echo "Architecture not supported, exiting." ; exit 1;; esac - curl -L https://github.com/regclient/regclient/releases/latest/download/regctl-linux-$architecture >./regctl - chmod 755 ./regctl - regbin="./regctl" + RegUrl="https://github.com/regclient/regclient/releases/latest/download/regctl-linux-$architecture" + if [[ $(builtin type -P curl) ]]; then curl -L $RegUrl > ./regctl ; chmod +x ./regctl ; regbin="./regctl" ; + elif [[ $(builtin type -P wget) ]]; then wget $RegUrl -O ./regctl ; chmod +x ./regctl ; regbin="./regctl" ; + else + printf "%s\n" "curl/wget not available - get regctl manually from the repo link, quitting." + fi else printf "%s\n" "Dependency missing, quitting." - exit + exit 1 fi fi +### final check if binary is correct +$regbin version &> /dev/null || { printf "%s\n" "regctl is not working - try to remove it and re-download it, exiting."; exit 1; } + ### Check docker compose binary: if docker compose version &> /dev/null ; then DockerBin="docker compose" @@ -64,13 +69,13 @@ elif docker -v &> /dev/null; then printf "%s\n" "'docker run' will ONLY update images, not the container itself." else printf "%s\n" "No docker binaries available, exiting." - exit + exit 1 fi ### Numbered List -function: options() { -num=0 -for i in "${NumberedUpdates[@]}"; do +num=1 +for i in "${GotUpdates[@]}"; do echo "$num) $i" ((num++)) done @@ -78,17 +83,21 @@ done ### Choose from list -function: choosecontainers() { - while [[ "$ChoiceClean" =~ [A-Za-z] || -z "$ChoiceClean" ]]; do - read -r -p "Enter number(s) separated by comma, [q] to quit: " Choice + while [[ -z "$ChoiceClean" ]]; do + read -r -p "Enter number(s) separated by comma, [a] for all - [q] to quit: " Choice if [[ "$Choice" =~ [qQnN] ]] ; then exit 0 - elif [ "$Choice" == "0" ] ; then - SelectedUpdates=( "${NumberedUpdates[@]:1}" ) + elif [[ "$Choice" =~ [aAyY] ]] ; then + SelectedUpdates=( "${GotUpdates[@]}" ) ChoiceClean=${Choice//[,.:;]/ } else ChoiceClean=${Choice//[,.:;]/ } - for s in $ChoiceClean; do - SelectedUpdates+=( "${NumberedUpdates[$s]}" ) + for CC in $ChoiceClean ; do + if [[ "$CC" -lt 1 || "$CC" -gt $UpdCount ]] ; then # reset choice if out of bounds + echo "Number not in list: $CC" ; unset ChoiceClean ; break 1 + else + SelectedUpdates+=( "${GotUpdates[$CC-1]}" ) + fi done fi done @@ -116,8 +125,8 @@ NoUpdates=($(sort <<<"${NoUpdates[*]}")) GotUpdates=($(sort <<<"${GotUpdates[*]}")) GotErrors=($(sort <<<"${GotErrors[*]}")) unset IFS -### Create new Array to use for the numbered list: -NumberedUpdates=(ALL "${GotUpdates[@]}") +### Define how many updates are available +UpdCount="${#GotUpdates[@]}" ### List what containers got updates or not if [[ -n ${NoUpdates[*]} ]] ; then @@ -169,6 +178,9 @@ if [ -n "$GotUpdates" ] ; then $DockerBin -f "$ComposeFile" pull "$ContName" $DockerBin -f "$ComposeFile" up -d "$ContName" done + printf "\033[0;32mAll done!\033[0m\n" + [[ -z "$PruneQ" ]] && read -r -p "Would you like to prune dangling images? y/[n]: " PruneQ + [[ "$PruneQ" =~ [yY] ]] && docker image prune -f else printf "\nNo updates installed, exiting.\n" fi