boxes/ostree-images/river/modules/wayblue-signing/wayblue-signing.sh

48 lines
1.5 KiB
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#!/usr/bin/env bash
# Tell build process to exit if there are any errors.
set -euo pipefail
CONTAINER_DIR="/usr/etc/containers"
MODULE_DIRECTORY="${MODULE_DIRECTORY:-"/tmp/modules"}"
IMAGE_NAME_FILE="${IMAGE_NAME//\//_}"
IMAGE_REGISTRY_TITLE=$(echo "$IMAGE_REGISTRY" | cut -d'/' -f2-)
echo "Setting up container signing in policy.json and cosign.yaml for $IMAGE_NAME"
echo "Registry to write: $IMAGE_REGISTRY"
if ! [ -d "$CONTAINER_DIR" ]; then
mkdir -p "$CONTAINER_DIR"
fi
if ! [ -d $CONTAINER_DIR/registries.d ]; then
mkdir -p "$CONTAINER_DIR/registries.d"
fi
if ! [ -d "/usr/etc/pki/containers" ]; then
mkdir -p "/usr/etc/pki/containers"
fi
if ! [ -f "$CONTAINER_DIR/policy.json" ]; then
cp "$MODULE_DIRECTORY/signing/policy.json" "$CONTAINER_DIR/policy.json"
fi
mv "/usr/etc/pki/containers/$IMAGE_NAME.pub" "/usr/etc/pki/containers/$IMAGE_REGISTRY_TITLE.pub"
POLICY_FILE="$CONTAINER_DIR/policy.json"
yq -i -o=j '.transports.docker |=
{"'"$IMAGE_REGISTRY"'": [
{
"type": "sigstoreSigned",
"keyPath": "/usr/etc/pki/containers/'"$IMAGE_REGISTRY_TITLE"'.pub",
"signedIdentity": {
"type": "matchRepository"
}
}
]
}
+ .' "$POLICY_FILE"
mv "$MODULE_DIRECTORY/signing/registry-config.yaml" "$CONTAINER_DIR/registries.d/$IMAGE_REGISTRY_TITLE.yaml"
sed -i "s ghcr.io/IMAGENAME $IMAGE_REGISTRY g" "$CONTAINER_DIR/registries.d/$IMAGE_REGISTRY_TITLE.yaml"