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Update dupc_function.sh

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re-wrote it some to followe the changes in the main script.
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mag37 2023-01-23 12:05:22 +01:00 committed by GitHub
parent 98b6074723
commit 17e6bd4dcf
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1 changed files with 13 additions and 9 deletions
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dupc_function.sh
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@ -1,25 +1,29 @@
#!/bin/bash
### Requires the regctl binary, either in PATH or as an alias
### Requires the regctl binary.
### Get it here: https://github.com/regclient/regclient/releases
### Preferably placed in .bashrc or similar
### if regctl is not in PATH, set the alias:
alias regctl="/path/to/regctl"
### Set the full path to the binary or just regctl if in PATH:
regctl="/home/gw-tdc/dockers/regctl"
dupc () {
if [[ -z "$1" ]]; then
if [[ "$@" == "help" ]]; then
echo "No container name given, here's the list of currently running containers:"
docker ps --format '{{.Names}}'
else
for i in $(docker ps --filter "name=$1" --format '{{.Names}}')
for i in $(docker ps --filter "name=$@" --format '{{.Names}}')
do
RepoUrl=$(docker inspect $i --format='{{.Config.Image}}')
LocalHash=$(docker image inspect $RepoUrl --format '{{.RepoDigests}}' | sed -e 's/.*sha256/sha256/' -e 's/\]$//')
RegHash=$(regctl image digest --list $RepoUrl)
if [[ "$LocalHash" != "$RegHash" ]] ; then printf "Updates available for $i.\n" ; else printf "$i is already latest.\n" ; fi
LocalHash=$(docker image inspect $RepoUrl --format '{{.RepoDigests}}')
RegHash=$($regctl image digest --list $RepoUrl 2>/dev/null)
if [ $? -eq 0 ] ; then
if [[ "$LocalHash" = *"$RegHash"* ]] ; then printf "$i is already latest.\n" ; else printf "$i got updates.\n" ; fi
else
printf "$i got errors, no check possible.\n"
fi
done
fi
}
dupc $1