Docker/Podman: Abfragen, ob ein aktuelles Image vorliegt

Container                 | Image                                        | installiert
_________________________ | ____________________________________________ | __________
mariadb_db_1              | docker.io/library/mariadb:latest             | 2024-11-21
mariadb_adminer_1         | docker.io/library/adminer:latest             | 2024-07-23
homeassistant             | ghcr.io/home-assistant/home-assistant:stable | 2025-01-09
oscam                     | lscr.io/linuxserver/oscam:latest             | 2025-01-10
navidrome_navidrome_1     | docker.io/deluan/navidrome:latest            | 2025-01-15
navidrome_bonob_1         | docker.io/simojenki/bonob:latest             | 2024-04-23
mqtt_mqtt_1               | docker.io/library/eclipse-mosquitto:2.0      | 2024-10-16
zigbee2mqtt               | docker.io/koenkk/zigbee2mqtt:latest          | 2025-01-03
tvheadend                 | lscr.io/linuxserver/tvheadend:latest         | 2025-01-11
forgejo                   | codeberg.org/forgejo/forgejo:10              | 2025-01-16
paperless_broker_1        | docker.io/library/redis:7                    | 2025-01-06
paperless_db_1            | docker.io/library/postgres:16                | 2024-11-21
paperless_webserver_1     | ghcr.io/paperless-ngx/paperless-ngx:latest   | 2025-01-18
invidious_inv_sig_helper_1| quay.io/invidious/inv-sig-helper:latest      | 2025-01-03
invidious_invidious-db_1  | docker.io/library/postgres:14                | 2024-11-21
invidious_invidious_1     | quay.io/invidious/invidious:latest           | 2024-11-10

#!/bin/bash

## vorhandene Container + Image einlesen
image=$(podman ps -a --format '{{ .Image }}' | cut -d ' ' -f 1)
container=$(podman ps -a --format '{{ .Names }}' | cut -d ' ' -f 2)

readarray imageArr <<< $image
readarray containerArr <<< $container

counter=0

## Trennlinie der Tabellenüberschrift (die Funktion Column hat keine)
echo "____________________________;______________________________________________;\
__________;________"  > /tmp/test.txt

## Datum/ID der Images abfragen
for item in "${containerArr[@]}"
  do
    dat_container="${containerArr[$counter]}"
    dat_image="${imageArr[$counter]}"
    dat_install=$(podman image list --format '{{.CreatedAt}}' ${imageArr[$counter]} | cut -c1-10)
    dat_digest=$(podman image inspect --format '{{.RepoDigests}}' ${imageArr[$counter]})

    url_manifest=$(podman manifest inspect ${imageArr[$counter]} | jq -r '.manifests[] | select(.platform.architecture=="amd64") | .digest')

    if [[ "$dat_digest" == *"$url_manifest"* ]]; then
       dat_status="OK"
    else
       dat_status="Update"
    fi

    : $((counter++))

    ## Ausgabe in Textdatei
    dat_final="$dat_container;$dat_image;$dat_install;$dat_status"

    echo $dat_final >> /tmp/test.txt
  done

## Ausgabe als Tabelle
echo ""
column -t -s ';' --output-separator ' | ' -N Container,Image,installed,Status  /tmp/test.txt
echo ""

rm /tmp/test.txt

exit 0