bentito/print_operator_dockerfile.sh

## print_operator_dockerfile.sh
#!/bin/bash

# Check if an image reference is provided
if [ -z "$1" ]; then
    echo "Usage: $0 <image-reference>"
    exit 1
fi

IMAGE_REF=$1

# Create a temporary directory
TMP_DIR=$(mktemp -d)
OCI_DIR="${TMP_DIR}/oci"

# Function to clean up temporary directory
cleanup() {
    echo "Cleaning up temporary files..."
    rm -rf "${TMP_DIR}"
}

# Ensure cleanup on script exit
trap cleanup EXIT

# Use skopeo inspect to get layer SHAs
LAYER_SHAS=$(skopeo inspect "${IMAGE_REF}" | jq -r '.Layers[]')

# Check if jq command succeeded
if [ $? -ne 0 ]; then
    echo "Failed to inspect the image or parse JSON"
    exit 1
fi

# Copy the image to local OCI layout
skopeo copy "${IMAGE_REF}" "oci:${OCI_DIR}"

# Process each layer
for LAYER_SHA in $LAYER_SHAS; do
    LAYER_FILE="${OCI_DIR}/blobs/sha256/${LAYER_SHA##sha256:}"
    if [ -f "${LAYER_FILE}" ]; then
        # Create a temporary directory for this layer
        LAYER_TMP_DIR=$(mktemp -d)
        # Extract layer
        tar -xf "${LAYER_FILE}" -C "${LAYER_TMP_DIR}"

        # Look for Dockerfile in the extracted layer
        DOCKERFILE=$(find "${LAYER_TMP_DIR}" -type f -name "Dockerfile*")
        if [ ! -z "${DOCKERFILE}" ]; then
            echo "Found Dockerfile in layer ${LAYER_SHA}: ${DOCKERFILE}"
            cat "${DOCKERFILE}"
        fi

        # Clean up layer temporary directory
        rm -rf "${LAYER_TMP_DIR}"
    fi
done

echo "Done."
	#!/bin/bash

	# Check if an image reference is provided
	if [ -z "$1" ]; then
	echo "Usage: $0 <image-reference>"
	exit 1
	fi

	IMAGE_REF=$1

	# Create a temporary directory
	TMP_DIR=$(mktemp -d)
	OCI_DIR="${TMP_DIR}/oci"

	# Function to clean up temporary directory
	cleanup() {
	echo "Cleaning up temporary files..."
	rm -rf "${TMP_DIR}"
	}

	# Ensure cleanup on script exit
	trap cleanup EXIT

	# Use skopeo inspect to get layer SHAs
	LAYER_SHAS=$(skopeo inspect "${IMAGE_REF}" \| jq -r '.Layers[]')

	# Check if jq command succeeded
	if [ $? -ne 0 ]; then
	echo "Failed to inspect the image or parse JSON"
	exit 1
	fi

	# Copy the image to local OCI layout
	skopeo copy "${IMAGE_REF}" "oci:${OCI_DIR}"

	# Process each layer
	for LAYER_SHA in $LAYER_SHAS; do
	LAYER_FILE="${OCI_DIR}/blobs/sha256/${LAYER_SHA##sha256:}"
	if [ -f "${LAYER_FILE}" ]; then
	# Create a temporary directory for this layer
	LAYER_TMP_DIR=$(mktemp -d)
	# Extract layer
	tar -xf "${LAYER_FILE}" -C "${LAYER_TMP_DIR}"

	# Look for Dockerfile in the extracted layer
	DOCKERFILE=$(find "${LAYER_TMP_DIR}" -type f -name "Dockerfile*")
	if [ ! -z "${DOCKERFILE}" ]; then
	echo "Found Dockerfile in layer ${LAYER_SHA}: ${DOCKERFILE}"
	cat "${DOCKERFILE}"
	fi

	# Clean up layer temporary directory
	rm -rf "${LAYER_TMP_DIR}"
	fi
	done

	echo "Done."