30 lines
961 B
Bash
30 lines
961 B
Bash
#!/bin/bash
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### Requires the regctl binary.
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### Get it here: https://github.com/regclient/regclient/releases
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### Preferably placed in .bashrc or similar
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### Set the full path to the binary or just regctl if in PATH:
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regctl="/home/gw-tdc/dockers/regctl"
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dupc () {
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if [[ "$@" == "help" ]]; then
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echo "No container name given, here's the list of currently running containers:"
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docker ps --format '{{.Names}}'
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else
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for i in $(docker ps --filter "name=$@" --format '{{.Names}}')
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do
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RepoUrl=$(docker inspect $i --format='{{.Config.Image}}')
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LocalHash=$(docker image inspect $RepoUrl --format '{{.RepoDigests}}')
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RegHash=$($regctl image digest --list $RepoUrl 2>/dev/null)
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if [ $? -eq 0 ] ; then
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if [[ "$LocalHash" = *"$RegHash"* ]] ; then printf "$i is already latest.\n" ; else printf "$i got updates.\n" ; fi
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else
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printf "$i got errors, no check possible.\n"
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fi
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done
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fi
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}
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dupc $1
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