GHW for building and publishing docker images (#1391)

* add ghw and scripts for docker image deployment

* debug

* add permissions for content

* fix path to the bin folder

* add tags

* rename env

* fix path to docker file

* make polkadot-parachain executable

* fix typo

* fix more typos

* test

* revert back  use of  working directory

* mke bin executable in the artifacts folder

* use cd instead of working directory

* change path to cash

* fix path to cash

* change cache key

* delete old flows

* addressed PR comments

* fix path

* reorg docker files

docker/scripts/build-injected.sh

@@ -0,0 +1,100 @@
+#!/usr/bin/env bash
+#set -e
+
+# This script allows building a Container Image from a Linux
+# binary that is injected into a base-image.
+
+ENGINE=${ENGINE:-podman}
+
+if [ "$ENGINE" == "podman" ]; then
+  PODMAN_FLAGS="--format docker"
+else
+  PODMAN_FLAGS=""
+fi
+
+CONTEXT=$(mktemp -d)
+REGISTRY=${REGISTRY:-docker.io}
+
+# The following line ensure we know the project root
+PROJECT_ROOT=${PROJECT_ROOT:-$(git rev-parse --show-toplevel)}
+DOCKERFILE=${DOCKERFILE:-docker/dockerfiles/binary_injected.Dockerfile}
+VERSION_TOML=$(grep "^version " $PROJECT_ROOT/Cargo.toml | grep -oE "([0-9\.]+-?[0-9]+)")
+
+#n The following VAR have default that can be overriden
+DOCKER_OWNER=${DOCKER_OWNER:-parity}
+
+# We may get 1..n binaries, comma separated
+BINARY=${BINARY:-polkadot}
+IFS=',' read -r -a BINARIES <<< "$BINARY"
+
+VERSION=${VERSION:-$VERSION_TOML}
+ARTIFACTS_FOLDER=${ARTIFACTS_FOLDER:-.}
+
+IMAGE=${IMAGE:-${REGISTRY}/${DOCKER_OWNER}/${BINARIES[0]}}
+DESCRIPTION_DEFAULT="Injected Container image built for ${BINARY}"
+DESCRIPTION=${DESCRIPTION:-$DESCRIPTION_DEFAULT}
+
+VCS_REF=${VCS_REF:-01234567}
+
+# Build the image
+echo "Using engine: $ENGINE"
+echo "Using Dockerfile: $DOCKERFILE"
+echo "Using context: $CONTEXT"
+echo "Building ${IMAGE}:latest container image for ${BINARY} v${VERSION} from ${ARTIFACTS_FOLDER} hang on!"
+echo "ARTIFACTS_FOLDER=$ARTIFACTS_FOLDER"
+echo "CONTEXT=$CONTEXT"
+
+# We need all binaries and resources available in the Container build "CONTEXT"
+mkdir -p $CONTEXT/bin
+for bin in "${BINARIES[@]}"
+do
+  echo "Copying $ARTIFACTS_FOLDER/$bin to context: $CONTEXT/bin"
+  ls -al "$ARTIFACTS_FOLDER/$bin"
+  cp -r "$ARTIFACTS_FOLDER/$bin" "$CONTEXT/bin"
+done
+
+cp "$PROJECT_ROOT/docker/scripts/entrypoint.sh" "$CONTEXT"
+
+if [[ "$BINARY" == "polkadot-parachain" ]]; then
+  mkdir -p "$CONTEXT/specs"
+  echo "Copying parachains chain-specs from $ARTIFACTS_FOLDER/specs to context: $CONTEXT/specs"
+  ls -al "$ARTIFACTS_FOLDER/specs"
+  cp -r "$ARTIFACTS_FOLDER/specs" "$CONTEXT/specs"
+fi
+
+echo "Building image: ${IMAGE}"
+
+TAGS=${TAGS[@]:-latest}
+IFS=',' read -r -a TAG_ARRAY <<< "$TAGS"
+TAG_ARGS=" "
+
+echo "The image ${IMAGE} will be tagged with ${TAG_ARRAY[*]}"
+for tag in "${TAG_ARRAY[@]}"; do
+  TAG_ARGS+="--tag ${IMAGE}:${tag} "
+done
+
+echo "$TAG_ARGS"
+
+# time \
+$ENGINE build \
+    ${PODMAN_FLAGS} \
+    --build-arg VCS_REF="${VCS_REF}" \
+    --build-arg BUILD_DATE=$(date -u '+%Y-%m-%dT%H:%M:%SZ') \
+    --build-arg IMAGE_NAME="${IMAGE}" \
+    --build-arg BINARY="${BINARY}" \
+    --build-arg ARTIFACTS_FOLDER="${ARTIFACTS_FOLDER}" \
+    --build-arg DESCRIPTION="${DESCRIPTION}" \
+    ${TAG_ARGS} \
+    -f "${PROJECT_ROOT}/${DOCKERFILE}" \
+    ${CONTEXT}
+
+echo "Your Container image for ${IMAGE} is ready"
+$ENGINE images
+
+if [[ -z "${SKIP_IMAGE_VALIDATION}" ]]; then
+  echo "Check the image ${IMAGE}:${TAG_ARRAY[0]}"
+  $ENGINE run --rm -i "${IMAGE}:${TAG_ARRAY[0]}" --version
+
+  echo "Query binaries"
+  $ENGINE run --rm -i --entrypoint /bin/bash "${IMAGE}:${TAG_ARRAY[0]}" -c "echo BINARY: ${BINARY}"
+fi