cache compose tests

This commit is contained in:
Elio Bischof
2025-06-19 14:04:08 +02:00
parent 3f33438d10
commit 920e76d2ee

View File

@@ -14,48 +14,60 @@ MAKE_TARGET=$1
IMAGES=$2
FORCE=${FORCE:-false}
DIGEST_FILE="$CACHE_DIR/$MAKE_TARGET.digests"
CACHE_FILE="$CACHE_DIR/$MAKE_TARGET.digests"
mkdir -p "$CACHE_DIR"
get_image_ids() {
local ids=""
for img in $(echo "$IMAGES"); do
local id=$(docker image inspect "$img" --format='{{index .RepoDigests 0}}' 2>/dev/null || true)
if [[ -z $id ]]; then
docker pull "$img" >/dev/null 2>&1 || true
id=$(docker image inspect "$img" --format='{{index .RepoDigests 0}}' 2>/dev/null || true)
fi
if [[ -z $id ]]; then
id=$(docker image inspect "$img" --format='{{index .RepoDigests 0}}' 2>/dev/null || true)
fi
id=${id:-new-and-not-pullable-or-failed-to-build}
id="${img}@${id}"
ids="${ids}${id};"
done
ids=${ids%;} # Remove trailing semicolon
echo "$ids"
inspect_image() {
local image=$1
local format=$2
docker image inspect "$image" --format="$format" 2>/dev/null || true
}
PREVIOUS_DIGEST=$(cat "$DIGEST_FILE" 2>/dev/null || echo "")
PREVIOUS_STATUS=$(echo "$PREVIOUS_DIGEST" | cut -d ';' -f1)
PREVIOUS_IMAGE_IDS=$(echo "$PREVIOUS_DIGEST" | cut -d ';' -f2-99)
CURRENT_IMAGE_IDS="$(get_image_ids)"
if [[ "$PREVIOUS_IMAGE_IDS" == "$CURRENT_IMAGE_IDS" ]]; then
get_digest() {
local image=$1
echo "id=$(inspect_image $image '{{ .Id }}'),digest=$(inspect_image $image '{{ index RepoDigests 0 }}')"
}
get_image_digests() {
local digests=""
for img in $(echo "$IMAGES"); do
local digest=$(get_digest $img)
if [[ -z $digest ]]; then
docker pull "$img" >/dev/null 2>&1 || true
digest=$(get_digest $img)
fi
if [[ -z $digest ]]; then
digest=$(get_digest $img)
fi
digest="${img}@${digest}"
digests="${digests}${digest};"
done
digests=${digests%;} # Remove trailing semicolon
echo "$digests"
}
CACHE_CONTENT=$(cat "$CACHE_FILE" 2>/dev/null || echo "")
CACHED_STATUS=$(echo "$CACHE_CONTENT" | cut -d ';' -f1)
CACHED_DIGESTS=$(echo "$CACHE_CONTENT" | cut -d ';' -f2-99)
CURRENT_DIGESTS="$(get_image_digests)"
echo "CACHED_DIGESTS does not match CURRENT_DIGESTS"
echo
echo "$CACHED_DIGESTS"
echo
echo "$CURRENT_DIGESTS"
if [[ "$CACHED_DIGESTS" == "$CURRENT_DIGESTS" ]]; then
if [[ "$FORCE" == "true" ]]; then
echo "\$FORCE=$FORCE - Running $MAKE_TARGET despite unchanged images."
else
echo "Skipping $MAKE_TARGET all images unchanged, returning cached status $PREVIOUS_STATUS"
exit $PREVIOUS_STATUS
echo "Skipping $MAKE_TARGET all images unchanged, returning cached status $CACHED_STATUS"
exit $CACHED_STATUS
fi
fi
echo "Images have changed"
echo
echo "PREVIOUS_IMAGE_IDS does not match CURRENT_IMAGE_IDS"
echo
echo "$PREVIOUS_IMAGE_IDS"
echo
echo "$CURRENT_IMAGE_IDS"
echo
docker images
echo
echo "Running $MAKE_TARGET..."
@@ -63,5 +75,5 @@ set +e
make -j $MAKE_TARGET
STATUS=$?
set -e
echo "${STATUS};$(get_image_ids)" > $DIGEST_FILE
echo "${STATUS};$(get_image_digests)" > $CACHE_FILE
exit $STATUS