init d

entrypoint.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+set -eu;
+
+##
+## check input
+##
+
+BUILDCTL_ADDR=${PLUGIN_ADDR:-${BUILDCTL_ADDR:-}}
+if [[ -z "${BUILDCTL_ADDR:-}" ]]; then
+	echo "Missing buildkit addr."
+	exit 1
+fi
+BUILDCTL_CONTEXT=${PLUGIN_CONTEXT:-$(pwd)}
+BUILDCTL_DOCKERFILE=$(dirname ${PLUGIN_DOCKERFILE:-$BUILDCTL_CONTEXT/Dockerfile})
+if [[ ! -f $BUILDCTL_DOCKERFILE/Dockerfile ]]; then
+	echo "Dockerfile $BUILDCTL_DOCKERFILE/Dockerfile not found!"
+	exit 1
+fi
+BUILDCTL_FRONTEND=${PLUGIN_FRONTEND:-dockerfile.v0}
+if [[ "$BUILDCTL_FRONTEND" != "dockerfile.v0" ]]; then
+	echo "Only frontend 'dockerfile.v0' testet and supported yet."
+	exit 1
+fi
+
+##
+## build command
+##
+
+COMMAND="buildctl"
+COMMAND="$COMMAND --addr $BUILDCTL_ADDR"
+COMMAND="$COMMAND build"
+COMMAND="$COMMAND --frontend $BUILDCTL_FRONTEND"
+COMMAND="$COMMAND --local context='$BUILDCTL_CONTEXT'"
+COMMAND="$COMMAND --local dockerfile='$BUILDCTL_DOCKERFILE'"
+if [[ "${PLUGIN_PLATFORM:-}" == "true" ]]; then
+	COMMAND="$COMMAND --opt platform='$PLUGIN_PLATFORM'"
+fi
+# https://github.com/moby/buildkit/blob/master/README.md#output
+if [[ ! -z "${PLUGIN_NAME:-}" ]]; then
+	COMMAND="$COMMAND --output type=image,name=$PLUGIN_NAME,push=${PLUGIN_PUSH:-true}"
+fi
+
+# custom args, e.g. docker run --rm --volume=$(pwd):$(pwd) --workdir=$(pwd) --env=CI=test kokuwaio/buildkit --opt buildarg=foo=bar
+if [[ -n "${1:-}" ]]; then
+	COMMAND="$COMMAND $*"
+fi
+
+##
+## execute command
+##
+
+echo -e "${COMMAND// --/\\n  --}\n"
+eval "$COMMAND"