Refactor build to include Go

Adding the baclient code to Drydock requires a refactor
of the build automation to support multiple languages
and multiple artifacts included in a single Docker image

NOTE: the go source here is a placeholder 'hello world' sample

Change-Id: I1b4883f018b33b3d4fcd7cbcb6cba660fcdc93de

.dockerignore

@@ -1,2 +1 @@
 .tox
-**/build

.gitignore

@@ -104,3 +104,7 @@ ENV/
 
 # VIM
 .*.swp
+
+# Chart artifacts
+charts/drydock/charts
+charts/drydock/requirements.lock

Makefile

@@ -12,18 +12,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-BUILD_DIR       := $(shell mktemp -d)
+BUILD_DIR       := $(shell mkdir -p build && mktemp -d -p build)
 DOCKER_REGISTRY ?= quay.io
 IMAGE_NAME      ?= drydock
 IMAGE_PREFIX    ?= airshipit
 IMAGE_TAG       ?= dev
-HELM            := $(BUILD_DIR)/helm
+HELM            := $(shell realpath $(BUILD_DIR))/helm
 PROXY           ?= http://proxy.foo.com:8000
 NO_PROXY        ?= localhost,127.0.0.1,.svc.cluster.local
 USE_PROXY       ?= false
 PUSH_IMAGE      ?= false
 LABEL           ?= commit-id
 IMAGE           ?= ${DOCKER_REGISTRY}/${IMAGE_PREFIX}/${IMAGE_NAME}:${IMAGE_TAG}
+GO_BUILDER      ?= docker.io/golang:1.10-alpine
+
 export
 
 # Build all docker images for this project
@@ -101,12 +103,17 @@ helm-install:
 # Make targets intended for use by the primary targets above.
 
 .PHONY: build_drydock
-build_drydock: external_dep
+build_drydock: external_dep build_baclient
 	export; tools/drydock_image_build.sh
 ifeq ($(PUSH_IMAGE), true)
 	docker push $(IMAGE)
 endif
 
+# Make target for building bootaction signal client
+.PHONY: build_baclient
+build_baclient: external_dep
+	docker run -tv $(shell realpath go):/work -v $(shell realpath $(BUILD_DIR)):/build -e GOPATH=/work $(GO_BUILDER) go build -o /build/baclient baclient
+
 .PHONY: docs
 docs: clean drydock_docs
 
@@ -132,7 +139,6 @@ genconfig:
 
 .PHONY: clean
 clean:
-	rm -rf $(BUILD_DIR)/*
 	rm -rf build
 	rm -rf docs/build
 	rm -rf charts/drydock/charts
@@ -143,6 +149,5 @@ pep8: external_dep
 	tox -e pep8
 
 .PHONY: helm_lint
-helm_lint: clean helm-init
+helm_lint: helm-init
-	tools/helm_tk.sh $(HELM)
 	$(HELM) lint charts/drydock

go/src/baclient/baclient.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+  "fmt"
+)
+
+func main() {
+  fmt.Printf("Hello World!\n")
+}

images/drydock/Dockerfile

@@ -18,6 +18,7 @@ ARG TRUSTED_UBUNTU_REPO=no
 ARG ALLOW_UNAUTHENTICATED=false
 ARG PIP_TRUSTED_HOST=foo.com
 ARG PIP_INDEX_URL=https://pypi.org/simple
+ARG BUILD_DIR
 ENV container docker
 ENV PORT 9000
 ENV LC_ALL C.UTF-8
@@ -37,15 +38,15 @@ WORKDIR /tmp/drydock
 RUN ./hostdeps.sh; \
     rm -r /var/lib/apt/lists/*
 
-COPY ./requirements-lock.txt /tmp/drydock/
+COPY ./python/requirements-lock.txt /tmp/drydock/
 RUN pip3 install \
     --no-cache-dir \
     -r /tmp/drydock/requirements-lock.txt
 
+COPY ./python /tmp/drydock/python
+COPY ${BUILD_DIR}/baclient /tmp/drydock/python/drydock_provisioner/assets/baclient
 
-COPY . /tmp/drydock
+WORKDIR /tmp/drydock/python
-
-WORKDIR /tmp/drydock
 RUN python3 setup.py install
 
 EXPOSE $PORT