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fix: ensure we retire any alternate tags

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Dokku currently injects an alternate tag into the image. Without this change, deploying new image tags (via push with a Dockerfile or git:from-image) would result in the old images lying around forever. This change ensures they are registered for removal.

Closes #4825
This commit is contained in:
Jose Diaz-Gonzalez
2021-10-09 15:07:50 -04:00
parent e53e8bb59f
commit 9616473c3a
1 changed files with 6 additions and 0 deletions
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6
plugins/scheduler-docker-local/scheduler-register-retired
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@@ -19,7 +19,13 @@ trigger-scheduler-docker-local-scheduler-register-retired() {
fn-scheduler-docker-local-register-retired "container" "$APP" "$CONTAINER_ID" "$WAIT"
if [[ -n "$IMAGE_ID" ]] && [[ -z "$DOKKU_SKIP_IMAGE_CLEANUP_REGISTRATION" ]]; then
ALT_IMAGE_TAG="$("$DOCKER_BIN" image inspect --format '{{ index .Config.Labels "com.dokku.docker-image-labeler/alternate-tags" }}' "$IMAGE_ID" 2>/dev/null || true)"
fn-scheduler-docker-local-register-retired "image" "$APP" "$IMAGE_ID" "$WAIT"
if [[ -n "$ALT_IMAGE_TAG" ]]; then
ALT_IMAGE_ID="$("$DOCKER_BIN" image inspect --format '{{ .Id }}' "$(echo "$ALT_IMAGE_TAG" | jq -r ".[]")" 2>/dev/null || true)"
fn-scheduler-docker-local-register-retired "image" "$APP" "$(echo "$ALT_IMAGE_ID" | cut -d ':' -f2)" "$WAIT"
fi
fi
}