Create Makefile target to install Helm binary

In Makefile there is no target which actually installs
Helm binary.

Change-Id: I74a8099d7ff9592f3a86df060a9a54e2b56f6f33
Signed-off-by: Dimitrios Markou <dm844v@att.com>

Makefile

@@ -12,11 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+BUILD_DIR       := $(shell mkdir -p build && mktemp -d -p build)
 DOCKER_REGISTRY ?= quay.io
 IMAGE_NAME      ?= deckhand
 IMAGE_PREFIX    ?= airshipit
 IMAGE_TAG       ?= latest
-HELM            ?= 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
@@ -26,16 +27,28 @@ LABEL           ?= org.airshipit.build=community
 COMMIT          ?= $(shell git rev-parse HEAD)
 IMAGE           := ${DOCKER_REGISTRY}/${IMAGE_PREFIX}/${IMAGE_NAME}:${IMAGE_TAG}
 
+export
+
 # Build Deckhand Docker image for this project
 .PHONY: images
 images: build_deckhand
 
 # Create tgz of the chart
 .PHONY: charts
-charts: clean
+charts: helm-init
 	$(HELM) dep up charts/deckhand
 	$(HELM) package charts/deckhand
 
+# Initialize local helm config
+.PHONY: helm-init
+helm-init: helm-install
+	tools/helm_tk.sh $(HELM)
+
+# Install helm binary
+.PHONY: helm-install
+helm-install:
+	tools/helm_install.sh $(HELM)
+
 # Perform linting
 .PHONY: lint
 lint: pep8 helm_lint

tools/helm_install.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+# Copyright 2018 AT&T Intellectual Property.  All other rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set -x
+
+HELM=$1
+HELM_ARTIFACT_URL=${HELM_ARTIFACT_URL:-"https://storage.googleapis.com/kubernetes-helm/helm-v2.10.0-linux-amd64.tar.gz"}
+
+
+function install_helm_binary {
+  if [[ -z "${HELM}" ]]
+  then
+    echo "No Helm binary target location."
+    exit -1
+  fi
+
+  if [[ -w "$(dirname ${HELM})" ]]
+  then
+    TMP_DIR=${BUILD_DIR:-$(mktemp -d)}
+    curl -o "${TMP_DIR}/helm.tar.gz" "${HELM_ARTIFACT_URL}"
+    pushd ${TMP_DIR}
+    tar -xvzf helm.tar.gz
+    cp "linux-amd64/helm" "helm"
+    popd
+  else
+    echo "Cannot write to ${HELM}"
+    exit -1
+  fi
+}
+
+install_helm_binary

tools/helm_tk.sh

@@ -16,6 +16,15 @@
 # Script to setup helm-toolkit and helm dep up the deckhand chart
 #
 HELM=$1
+HTK_REPO=${HTK_REPO:-"https://github.com/openstack/openstack-helm-infra"}
+HTK_PATH=${HTK_PATH:-""}
+HTK_STABLE_COMMIT=${HTK_COMMIT:-"2fce7e821201a5f578331370703e164d5a932fcc"}
+BUILD_DIR=${BUILD_DIR:-$(mktemp -d)}
+
+if [[ ! -z $(echo $http_proxy) ]]
+then
+  export no_proxy=$no_proxy,127.0.0.1
+fi
 
 set -x
 
@@ -23,7 +32,7 @@ function helm_serve {
   if [[ -d "$HOME/.helm" ]]; then
      echo ".helm directory found"
   else
-     ${HELM} init --client-only
+     ${HELM} init --client-only --skip-refresh
   fi
   if [[ -z $(curl -s 127.0.0.1:8879 | grep 'Helm Repository') ]]; then
      ${HELM} serve & > /dev/null
@@ -42,11 +51,19 @@ function helm_serve {
   ${HELM} repo add local http://localhost:8879/charts
 }
 
-mkdir -p build
-cd build
-git clone --depth 1 https://git.openstack.org/openstack/openstack-helm-infra.git || true
-cd openstack-helm-infra
-git pull
+mkdir -p "$BUILD_DIR"
+pushd "$BUILD_DIR"
+git clone $HTK_REPO || true
+pushd openstack-helm-infra/$HTK_PATH
+git reset --hard "${HTK_STABLE_COMMIT}"
+
 helm_serve
+# OSH Makefile is bugged, so ensure helm is in the path
+if [[ ${HELM} != "helm" ]]
+then
+  export PATH=${PATH}:$(dirname ${HELM})
+fi
+
 make helm-toolkit
-${HELM} dep up ../../charts/deckhand
+popd && popd
+${HELM} dep up charts/deckhand