dockcheck/extras/dc_brief.sh
Chris Funderburg 588c22afc9
style: Add pre-commit checks and code cleanup
This change adds an optional pre-commit configuration that can be used
to keep the code style clean.  I've also run it across all files and
fixed numerous whitespaces issues.

To use it, if wanted, just clone / pull the repo as normal, go into the
folder and run:

```
pre-commit install
```

From that point on, when running `git commit`, it will run the checks
on any changed files.

Feel free to ignore this PR if you're not interested.
2024-08-17 08:50:39 -04:00

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#!/usr/bin/env bash
### If not in PATH, set full path. Else just "regctl"
regbin="regctl"
### options to allow exclude:
while getopts "e:" options; do
case "${options}" in
e) Exclude=${OPTARG} ;;
*) exit 0 ;;
esac
done
shift "$((OPTIND-1))"
### Create array of excludes
IFS=',' read -r -a Excludes <<< "$Exclude" ; unset IFS
SearchName="$1"
for i in $(docker ps --filter "name=$SearchName" --format '{{.Names}}') ; do
for e in "${Excludes[@]}" ; do [[ "$i" == "$e" ]] && continue 2 ; done
printf ". "
RepoUrl=$(docker inspect "$i" --format='{{.Config.Image}}')
LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}')
### Checking for errors while setting the variable:
if RegHash=$($regbin image digest --list "$RepoUrl" 2>/dev/null) ; then
if [[ "$LocalHash" = *"$RegHash"* ]] ; then NoUpdates+=("$i"); else GotUpdates+=("$i"); fi
else
GotErrors+=("$i")
fi
done
### Sort arrays alphabetically
IFS=$'\n'
NoUpdates=($(sort <<<"${NoUpdates[*]}"))
GotUpdates=($(sort <<<"${GotUpdates[*]}"))
GotErrors=($(sort <<<"${GotErrors[*]}"))
unset IFS
### List what containers got updates or not
if [[ -n ${NoUpdates[*]} ]] ; then
printf "\n\033[0;32mContainers on latest version:\033[0m\n"
printf "%s\n" "${NoUpdates[@]}"
fi
if [[ -n ${GotErrors[*]} ]] ; then
printf "\n\033[0;31mContainers with errors, wont get updated:\033[0m\n"
printf "%s\n" "${GotErrors[@]}"
fi
if [[ -n ${GotUpdates[*]} ]] ; then
printf "\n\033[0;33mContainers with updates available:\033[0m\n"
printf "%s\n" "${GotUpdates[@]}"
fi
printf "\n\n"