mirror of
https://github.com/mag37/dockcheck.git
synced 2026-02-14 15:28:22 +01:00
Style and additions (#160)
* correcting colors * hides progress bar in monochrome mode, added monochrome mode to config * Added config/option to auto self-update, use with caution! * use notification release notes url function for cli options as well * added the flag, reordered flags * change output order + add alpine pkgmngr * changed logic of default.config * added an extras section * modifying urls list, adding option flag * prometheus hotfix + minor tweaks * quick pkginstaller fix --------- Co-authored-by: Joachim Schuster <dev@joachimschuster.de>
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mag37
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3 changed files with 85 additions and 55 deletions
55
README.md
55
README.md
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@ -11,16 +11,19 @@
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</p>
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<h2 align="center">CLI tool to automate docker image updates or notifying when updates are available.</h2>
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<h3 align="center">Features:</h3>
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<h3 align="center">selective updates, exclude containers, custom labels, notification plugins, prune when done and more.</h3>
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<h4 align="center">For Podman - see the fork <a href="https://github.com/sudo-kraken/podcheck">sudo-kraken/podcheck</a>!</h4>
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<h3 align="center">selective updates, exclude containers, custom labels, notification plugins, prune when done etc.</h3>
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<h4 align="center">:whale: Docker Hub pull limit :chart_with_downwards_trend: not an issue for checks but for actual pulls - <a href="#whale-docker-hub-pull-limit-chart_with_downwards_trend-not-an-issue-for-checks-but-for-actual-pulls">read more</a></h4>
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<h5 align="center">For Podman - see the fork <a href="https://github.com/sudo-kraken/podcheck">sudo-kraken/podcheck</a>!</h4>
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___
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## :bell: Changelog
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- **v0.6.2**: Style and colour changes, prometheus hotfix, new options:
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- `-u`, Allow auto self update of dockcheck.sh
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- `-I`, Print container release URLs in the CLI "choose update" list. (please contribute to `urls.list`)
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- Extras: `-m`, Monochrome mode now hides the progress bar.
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- **v0.6.1**: Hotfixes: (try removing set+shopt+shopt if debugging more errors)
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- xargs/pipefail, removed `-set -e` bash option for now.
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- unbound variables fixed (hopefully)
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@ -29,14 +32,7 @@ ___
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- Safer bash options with `set -euo pipefail`, `shopt -s nullglob` and `failglob`.
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- Added a `default.conf` for user settings - persistent through updates.
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- Added `notify_slack.sh` template for slack curl api.
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- **v0.5.8**: Added version checks to all templates and a notification if a new template is released.
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- **v0.5.7**: Rewritten templates - now with a function to notify when there's a new Dockcheck release.
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- Manually migrate your current `notify.sh` settings to a new template for new functionality.
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- **v0.5.6.1**: Async xargs hotfix - due to errors `failed to request manifest head ... context canceled`
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- Defaulted subprocess to 1 with `MaxAsync=1`, increase to find a stable value in your environment.
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- Added `-x N` option to pass `MaxAsync` value at runtime.
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- To disable xargs `-P` flag (max processes) all together, set `MaxAsync` to 0.
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- **v0.5.6.0**: Heavily improved performance due to async checking for updates.
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___
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@ -56,13 +52,15 @@ Options:
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-f Force stack restart after update. Caution: restarts once for every updated container within stack.
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-h Print this Help.
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-i Inform - send a preconfigured notification.
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-I Prints custom releasenote urls alongside each container with updates (requires urls.list).
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-l Only update if label is set. See readme.
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-m Monochrome mode, no printf color codes.
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-m Monochrome mode, no printf colour codes and hides progress bar.
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-n No updates, only checking availability.
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-p Auto-Prune dangling images after update.
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-r Allow updating images for docker run, wont update the container.
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-s Include stopped containers in the check. (Logic: docker ps -a).
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-t N Set a timeout (in seconds) per container for registry checkups, 10 is default.
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-u Allow automatic self updates - caution as this will pull new code and autorun it.
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-v Prints current version.
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-x N Set max asynchronous subprocesses, 1 default, 0 to disable, 32+ tested.
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```
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@ -121,9 +119,9 @@ Alternatively create an alias where specific flags and values are set.
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Example `alias dc=dockcheck.sh -p -x 10 -t 3`.
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## :loudspeaker: Notifications
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Trigger with the `-i` flag.
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Trigger with the `-i` flag if `notify.sh` is present and configured.
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Will send a list of containers with updates available and a notification when `dockcheck.sh` itself has an update.
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Run it scheduled with `-ni` to only get notified when there's updates available!
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Will also send a notification when `dockcheck.sh` itself has an update.
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Use a `notify_X.sh` template file from the **notify_templates** directory, copy it to `notify.sh` alongside the script, modify it to your needs! (notify.sh is added to .gitignore)
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**Current templates:**
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@ -144,9 +142,12 @@ Use a `notify_X.sh` template file from the **notify_templates** directory, copy
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Further additions are welcome - suggestions or PR!
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<sub><sup>Initiated and first contributed by [yoyoma2](https://github.com/yoyoma2).</sup></sub>
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### :date: Release notes addon to Notifications
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### :date: Release notes addon
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There's a function to use a lookup-file to add release note URL's to the notification message.
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Copy the notify_templates/`urls.list` file to the script directory, it will be used automatically if it's there. Modify it as necessary, the names of interest in the left column needs to match your container names.
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Copy the notify_templates/`urls.list` file to the script directory, it will be used automatically if it's there.
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Modify it as necessary, the names of interest in the left column needs to match your container names.
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To also list the URL's in the CLI output (choose containers list) use the `-I` option or variable config.
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The output of the notification will look something like this:
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```
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Containers on hostname with updates available:
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@ -162,17 +163,31 @@ Pass `-x N` where N is number of subprocesses allowed, experiment in your enviro
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Change the default value by editing the `MaxAsync=N` variable in `dockcheck.sh`. To disable the subprocess function set `MaxAsync=0`.
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## :chart_with_upwards_trend: Prometheus and node_exporter
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## :chart_with_upwards_trend: Extra plugins and tools:
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### :small_orange_diamond: Prometheus and node_exporter
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Dockcheck can be used together with [Prometheus](https://github.com/prometheus/prometheus) and [node_exporter](https://github.com/prometheus/node_exporter) to export metrics via the file collector, scheduled with cron or likely.
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This is done with the `-c` option, like this:
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```
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dockcheck.sh -c /path/to/exporter/directory
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```
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See the [README.md](./addons/prometheus/README.md) for more detailed information on how to set it up!
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See the [README.md](./addons/prometheus/README.md) for more detailed information on how to set it up!
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<sub><sup>Contributed by [tdralle](https://github.com/tdralle).</sup></sub>
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### :small_orange_diamond: Zabbix config to monitor docker image updates
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If you already use Zabbix - this config will Shows number of available docker image updates on host.
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Example: *2 Docker Image updates on host-xyz*
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See project: [thetorminal/zabbix-docker-image-updates](https://github.com/thetorminal/zabbix-docker-image-updates)
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### :small_orange_diamond: Serve REST API to list all available updates
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A custom python script to serve a REST API to get pulled into other monitoring tools like [homepage](https://github.com/gethomepage/homepage).
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See [discussion here](https://github.com/mag37/dockcheck/discussions/146).
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### :small_orange_diamond: Wrapper Script for Unraid's User Scripts
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A custom bash wrapper script to allow the usage of dockcheck as a Unraid User Script plugin.
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See [discussion here](https://github.com/mag37/dockcheck/discussions/145).
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## :bookmark: Labels
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Optionally add labels to compose-files. Currently these are the usable labels:
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```
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@ -6,15 +6,18 @@
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# This will not be replaced on updates
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#Timeout=10 # Set a timeout (in seconds) per container for registry checkups.
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#MaxAsync=1 # Set max asynchronous subprocesses, 1 default, 0 to disable.
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#MaxAsync=10 # Set max asynchronous subprocesses, 1 default, 0 to disable.
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#BarWidth=50 # The character width of the progress bar
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#AutoMode=true # Automatic updates, without interaction.
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#DontUpdate=true # No updates; only checking availability without interaction.
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#AutoPrune=false # Auto-Prune dangling images after update.
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#Notify=false # Inform - send a preconfigured notification.
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#AutoPrune=true # Auto-Prune dangling images after update.
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#AutoSelfUpdate=true # Allow automatic self updates - caution as this will pull new code and autorun it.
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#Notify=true # Inform - send a preconfigured notification.
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#Exclude="one,two" # Exclude containers, separated by comma.
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#DaysOld="5" # Only update to new images that are N+ days old. Lists too recent with +prefix and age. 2xSlower.
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#Stopped="-a" # Include stopped containers in the check. (Logic: docker ps -a).
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#OnlyLabel=false # Only update if label is set. See readme.
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#ForceRestartStacks=false # Force stack restart after update. Caution.
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#DRunUp=false # Allow updating images for docker run, wont update the container.
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#OnlyLabel=true # Only update if label is set. See readme.
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#ForceRestartStacks=true # Force stack restart after update. Caution.
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#DRunUp=true # Allow updating images for docker run, wont update the container.
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#MonoMode=true # Monochrome mode, no printf colour codes and hides progress bar.
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#PrintReleaseURL=true # Prints custom releasenote urls alongside each container with updates (requires urls.list)`
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70
dockcheck.sh
70
dockcheck.sh
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@ -1,6 +1,6 @@
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#!/usr/bin/env bash
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VERSION="v0.6.1"
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### ChangeNotes: Hotfix - bug with xargs pipefail, pkgmanager logic, unbound variables
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VERSION="v0.6.2"
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### ChangeNotes: Added options: -u; auto self update. -I; print release URL, +style and colour fixes.
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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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@ -37,13 +37,15 @@ Help() {
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echo "-f Force stack restart after update. Caution: restarts once for every updated container within stack."
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echo "-h Print this Help."
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echo "-i Inform - send a preconfigured notification."
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echo "-I Prints custom releasenote urls alongside each container with updates (requires urls.list)."
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echo "-l Only update if label is set. See readme."
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echo "-m Monochrome mode, no printf colour codes."
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echo "-m Monochrome mode, no printf colour codes and hides progress bar."
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echo "-n No updates; only checking availability without interaction."
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echo "-p Auto-prune dangling images after update."
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echo "-r Allow updating images for docker run; won't update the container."
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echo "-s Include stopped containers in the check. (Logic: docker ps -a)."
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echo "-t Set a timeout (in seconds) per container for registry checkups, 10 is default."
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echo "-u Allow automatic self updates - caution as this will pull new code and autorun it."
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echo "-v Prints current version."
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echo "-x N Set max asynchronous subprocesses, 1 default, 0 to disable, 32+ tested."
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echo
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@ -57,10 +59,13 @@ BarWidth=${BarWidth:=50}
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AutoMode=${AutoMode:=false}
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DontUpdate=${DontUpdate:=false}
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AutoPrune=${AutoPrune:=false}
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AutoSelfUpdate=${AutoSelfUpdate:=false}
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OnlyLabel=${OnlyLabel:=false}
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Notify=${Notify:=false}
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ForceRestartStacks=${ForceRestartStacks:=false}
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DRunUp=${DRunUp:=false}
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MonoMode=${MonoMode:=false}
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PrintReleaseURL=${PrintReleaseURL:=false}
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Stopped=${Stopped:=""}
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CollectorTextFileDirectory=${CollectorTextFileDirectory:-}
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Exclude=${Exclude:-}
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@ -81,23 +86,25 @@ c_blue="\033[0;34m"
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c_teal="\033[0;36m"
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c_reset="\033[0m"
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while getopts "aynpfrhlisvmc:e:d:t:x:" options; do
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while getopts "ayfhiIlmnprsuvc:e:d:t:x:" options; do
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case "${options}" in
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a|y) AutoMode=true ;;
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c) CollectorTextFileDirectory="${OPTARG}" ;;
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n) DontUpdate=true; AutoMode=true;;
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r) DRunUp=true ;;
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p) AutoPrune=true ;;
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l) OnlyLabel=true ;;
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d) DaysOld=${OPTARG} ;;
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e) Exclude=${OPTARG} ;;
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f) ForceRestartStacks=true ;;
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i) Notify=true ;;
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e) Exclude=${OPTARG} ;;
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m) declare c_{red,green,yellow,blue,teal,reset}="" ;;
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I) PrintReleaseURL=true ;;
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l) OnlyLabel=true ;;
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m) MonoMode=true ;;
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n) DontUpdate=true; AutoMode=true;;
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p) AutoPrune=true ;;
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r) DRunUp=true ;;
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s) Stopped="-a" ;;
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t) Timeout="${OPTARG}" ;;
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u) AutoSelfUpdate=true ;;
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v) printf "%s\n" "$VERSION"; exit 0 ;;
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x) MaxAsync=${OPTARG} ;;
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d) DaysOld=${OPTARG} ;;
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h|*) Help; exit 2 ;;
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esac
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done
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@ -108,6 +115,7 @@ SearchName="${1:-}"
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# Setting up options and sourcing functions
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if [[ "$DontUpdate" == true ]]; then AutoMode=true; fi
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if [[ "$MonoMode" == true ]]; then declare c_{red,green,yellow,blue,teal,reset}=""; fi
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if [[ "$Notify" == true ]]; then
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if [[ -s "${ScriptWorkDir}/notify.sh" ]]; then
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source "${ScriptWorkDir}/notify.sh"
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@ -137,30 +145,30 @@ self_update_curl() {
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cp "$ScriptPath" "$ScriptPath".bak
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if command -v curl &>/dev/null; then
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curl -L $RawUrl > "$ScriptPath"; chmod +x "$ScriptPath"
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printf "\n%s\n" "--- starting over with the updated version ---"
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printf "\n%b---%b starting over with the updated version %b---%b\n" "$c_yellow" "$c_teal" "$c_yellow" "$c_reset"
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exec "$ScriptPath" "${ScriptArgs[@]}" # run the new script with old arguments
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exit 1 # Exit the old instance
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elif command -v wget &>/dev/null; then
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wget $RawUrl -O "$ScriptPath"; chmod +x "$ScriptPath"
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printf "\n%s\n" "--- starting over with the updated version ---"
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printf "\n%b---%b starting over with the updated version %b---%b\n" "$c_yellow" "$c_teal" "$c_yellow" "$c_reset"
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exec "$ScriptPath" "${ScriptArgs[@]}" # run the new script with old arguments
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exit 0 # exit the old instance
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else
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printf "curl/wget not available - download the update manually: %s \n" "$Github"
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printf "\n%bcurl/wget not available %b- download the update manually: %b%s %b\n" "$c_red" "$c_reset" "$c_teal" "$Github" "$c_reset"
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fi
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}
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self_update() {
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cd "$ScriptWorkDir" || { printf "Path error, skipping update.\n"; return; }
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cd "$ScriptWorkDir" || { printf "%bPath error,%b skipping update.\n" "$c_red" "$c_reset"; return; }
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if command -v git &>/dev/null && [[ "$(git ls-remote --get-url 2>/dev/null)" =~ .*"mag37/dockcheck".* ]]; then
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printf "\n%s\n" "Pulling the latest version."
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git pull --force || { printf "Git error, manually pull/clone.\n"; return; }
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git pull --force || { printf "%bGit error,%b manually pull/clone.\n" "$c_red" "$c_reset"; return; }
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printf "\n%s\n" "--- starting over with the updated version ---"
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cd - || { printf "Path error.\n"; return; }
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cd - || { printf "%bPath error.%b\n" "$c_red"; return; }
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exec "$ScriptPath" "${ScriptArgs[@]}" # run the new script with old arguments
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exit 0 # exit the old instance
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else
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cd - || { printf "Path error.\n"; return; }
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cd - || { printf "%bPath error.%b\n" "$c_red"; return; }
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self_update_curl
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fi
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}
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@ -184,7 +192,7 @@ choosecontainers() {
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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 "\n%bUpdating container(s):%b\n" "$c_blue" "$c_reset"
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printf "%s\n" "${SelectedUpdates[@]}"
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printf "\n"
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}
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@ -245,10 +253,11 @@ binary_downloader() {
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}
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distro_checker() {
|
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if [[ -f /etc/arch-release ]]; then PkgInstaller="pacman -S"
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if [[ -f /etc/arch-release ]]; then PkgInstaller="sudo pacman -S"
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elif [[ -f /etc/redhat-release ]]; then PkgInstaller="sudo dnf install"
|
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elif [[ -f /etc/SuSE-release ]]; then PkgInstaller="sudo zypper install"
|
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elif [[ -f /etc/debian_version ]]; then PkgInstaller="sudo apt-get install"
|
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elif [[ -f /etc/alpine-release ]] ; then PkgInstaller="doas apk add"
|
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elif [[ $(uname -s) == "Darwin" ]]; then PkgInstaller="brew install"
|
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else PkgInstaller="ERROR"; printf "\n%bNo distribution could be determined%b, falling back to static binary.\n" "$c_yellow" "$c_reset"
|
||||
fi
|
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|
@ -274,11 +283,11 @@ dependency_check() {
|
|||
export "$AppVar"="$AppName"
|
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printf "\n%b%b installed.%b\n" "$c_green" "$AppName" "$c_reset"
|
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else
|
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PkgExitcode="ERROR"
|
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PkgInstaller="ERROR"
|
||||
printf "\n%bPackagemanager install failed%b, falling back to static binary.\n" "$c_yellow" "$c_reset"
|
||||
fi
|
||||
fi
|
||||
if [[ "$GetBin" =~ [sS] || "$PkgInstaller" == "ERROR" ]]; then
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if [[ "$GetBin" =~ [sS] ]] || [[ "$PkgInstaller" == "ERROR" ]]; then
|
||||
binary_downloader "$AppName" "$AppUrl"
|
||||
[[ -f "$ScriptWorkDir/$AppName" ]] && { export "$AppVar"="$ScriptWorkDir/$1" && printf "\n%b%b downloaded.%b\n" "$c_green" "$AppName" "$c_reset"; }
|
||||
fi
|
||||
|
|
@ -292,13 +301,15 @@ dependency_check() {
|
|||
}
|
||||
|
||||
# Numbered List function
|
||||
# if urls.list exists add release note url per line
|
||||
options() {
|
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num=1
|
||||
for i in "${GotUpdates[@]}"; do
|
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echo "$num) $i"
|
||||
if [[ -s "$ScriptWorkDir/urls.list" ]] && [[ "$PrintReleaseURL" == true ]]; then releasenotes; else Updates=("${GotUpdates[@]}"); fi
|
||||
for update in "${Updates[@]}"; do
|
||||
echo "$num) $update"
|
||||
((num++))
|
||||
done
|
||||
}
|
||||
}
|
||||
|
||||
# Version check & initiate self update
|
||||
if [[ "$VERSION" != "$LatestRelease" ]]; then
|
||||
|
|
@ -306,6 +317,7 @@ if [[ "$VERSION" != "$LatestRelease" ]]; then
|
|||
if [[ "$AutoMode" == false ]]; then
|
||||
read -r -p "Would you like to update? y/[n]: " SelfUpdate
|
||||
[[ "$SelfUpdate" =~ [yY] ]] && self_update
|
||||
elif [[ "$AutoMode" == true ]] && [[ "$AutoSelfUpdate" == true ]]; then self_update;
|
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else
|
||||
[[ "$Notify" == true ]] && { [[ $(type -t dockcheck_notification) == function ]] && dockcheck_notification "$VERSION" "$LatestRelease" "$LatestChanges" || printf "Could not source notification function.\n"; }
|
||||
fi
|
||||
|
|
@ -394,7 +406,7 @@ fi
|
|||
# Asynchronously check the image-hash of every running container VS the registry
|
||||
while read -r line; do
|
||||
((RegCheckQue+=1))
|
||||
progress_bar "$RegCheckQue" "$ContCount"
|
||||
if [[ "$MonoMode" == false ]]; then progress_bar "$RegCheckQue" "$ContCount"; fi
|
||||
|
||||
Got=${line%% *} # Extracts the first word (NoUpdates, GotUpdates, GotErrors)
|
||||
item=${line#* }
|
||||
|
|
@ -487,7 +499,7 @@ if [[ -n "${GotUpdates:-}" ]]; then
|
|||
continue
|
||||
fi
|
||||
# cd to the compose-file directory to account for people who use relative volumes
|
||||
cd "$ContPath" || { echo "Path error - skipping $i"; continue; }
|
||||
cd "$ContPath" || { printf "\n%bPath error - skipping%b %s" "$c_red" "$c_reset" "$i"; continue; }
|
||||
## Reformatting path + multi compose
|
||||
if [[ $ContConfigFile = '/'* ]]; then
|
||||
CompleteConfs=$(for conf in ${ContConfigFile//,/ }; do printf -- "-f %s " "$conf"; done)
|
||||
|
|
@ -508,9 +520,9 @@ if [[ -n "${GotUpdates:-}" ]]; then
|
|||
${DockerBin} ${CompleteConfs} ${ContEnvs} up -d ${ContName}
|
||||
fi
|
||||
done
|
||||
printf "\n%bAll done!%b\n" "$c_green" "$c_reset"
|
||||
if [[ "$AutoPrune" == false ]] && [[ "$AutoMode" == false ]]; then read -r -p "Would you like to prune dangling images? y/[n]: " AutoPrune; fi
|
||||
if [[ "$AutoPrune" == false ]] && [[ "$AutoMode" == false ]]; then read -rep "\nWould you like to prune dangling images? y/[n]: " AutoPrune; fi
|
||||
if [[ "$AutoPrune" == true ]] || [[ "$AutoPrune" =~ [yY] ]]; then docker image prune -f; fi
|
||||
printf "\n%bAll done!%b\n" "$c_green" "$c_reset"
|
||||
else
|
||||
printf "\nNo updates installed, exiting.\n"
|
||||
fi
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue