Integrated Helm into the build and development system

This removes the `sed` based templating and replaces it with a
helm based workflow. All the `make` commands have stayed exactly
the same.

This also moves the existing 0.1 release helm chat to the 0.2
development chart, and includes the features that were otherwise
missing for 0.2

If you have an existing development cluster, it may be easiest
to delete them and recreate them, as the tooling will install
helm automatically now on cluster creation.

I also snuck in some small Kubernetes 1.9.x upgrades as well.

Parent ticket: agones-dev#101

Author: markmandel

build/Makefile

@@ -108,12 +108,10 @@ push: push-controller-image push-agones-sdk-image
 install: ALWAYS_PULL_SIDECAR := true
 install: IMAGE_PULL_POLICY := "Always"
 install: ensure-build-image
-	cp $(build_path)/install.yaml $(build_path)/.install.yaml
-	sed -i -e 's!$${REGISTRY}!$(REGISTRY)!g' $(build_path)/.install.yaml
-	sed -i -e 's!$${VERSION}!$(VERSION)!g' $(build_path)/.install.yaml
-	sed -i -e 's!$${IMAGE_PULL_POLICY}!$(IMAGE_PULL_POLICY)!g' $(build_path)/.install.yaml
-	sed -i -e 's!$${ALWAYS_PULL_SIDECAR}!$(ALWAYS_PULL_SIDECAR)!g' $(build_path)/.install.yaml
-	docker run --rm $(common_mounts) $(DOCKER_RUN_ARGS) $(build_tag) kubectl apply -f $(mount_path)/build/.install.yaml
+	docker run --rm $(common_mounts) $(DOCKER_RUN_ARGS) $(build_tag) \
+		helm upgrade --install --namespace=default \
+		--set image.tag=$(VERSION),image.registry=$(REGISTRY),image.controller.pullPolicy=$(IMAGE_PULL_POLICY),image.sdk.alwaysPull=$(ALWAYS_PULL_SIDECAR) \
+		agones $(mount_path)/install/helm/agones/
 
 # Build a static binary for the gameserver controller
 build-controller-binary: ensure-build-image
@@ -244,9 +242,11 @@ gcloud-init: ensure-build-config
 
 # Creates and authenticates a small, 3 node GKE cluster to work against
 gcloud-test-cluster: ensure-build-image
-	docker run --rm -it $(common_mounts) $(build_tag) gcloud \
+	docker run --rm -it $(common_mounts) $(DOCKER_RUN_ARGS) $(build_tag) gcloud \
 		deployment-manager deployments create test-cluster --config=$(mount_path)/build/gke-test-cluster/deployment.yml
 	$(MAKE) gcloud-auth-cluster
+	docker run --rm -it $(common_mounts) $(DOCKER_RUN_ARGS) $(build_tag) kubectl apply -f $(mount_path)/build/helm.yaml
+	docker run --rm $(common_mounts) $(DOCKER_RUN_ARGS) $(build_tag) helm init --service-account helm
 
 # Pulls down authentication information for kubectl against a cluster, name can be specified through CLUSTER_NAME
 # (defaults to 'test-cluster')
@@ -284,7 +284,7 @@ clean-gcloud-config:
 # Use MINIKUBE_DRIVER variable to change the VM driver
 # (defaults virtualbox for Linux and macOS, hyperv for windows) if you so desire.
 minikube-test-cluster: minikube-agones-profile
-	$(MINIKUBE) start --kubernetes-version v1.9.0 --vm-driver $(MINIKUBE_DRIVER) \
+	$(MINIKUBE) start --kubernetes-version v1.9.4 --vm-driver $(MINIKUBE_DRIVER) \
 		--extra-config=apiserver.Admission.PluginNames=NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,DefaultStorageClass,DefaultTolerationSeconds,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota \
 		--extra-config=apiserver.Authorization.Mode=RBAC
 	# wait until the master is up
@@ -296,6 +296,7 @@ minikube-test-cluster: minikube-agones-profile
 	# this is needed for kubernetes component to work correctly while RBAC is enabled
 	-docker run --rm $(common_mounts) --network=host -v $(minikube_cert_mount) $(DOCKER_RUN_ARGS) $(build_tag) \
 		kubectl create clusterrolebinding add-on-cluster-admin --clusterrole=cluster-admin --serviceaccount=kube-system:default
+	docker run --rm $(common_mounts) --network=host -v $(minikube_cert_mount) $(DOCKER_RUN_ARGS) $(build_tag) helm init
 	$(MAKE) minikube-post-start
 
 # switch to the agones cluster

build/gke-test-cluster/cluster.yml.jinja

@@ -21,7 +21,7 @@ resources:
     cluster:
       name: test-cluster
       description: Test cluster for Agones
-      initialClusterVersion: 1.9.2-gke.1 # be specific until 1.9.x becomes default
+      initialClusterVersion: 1.9.6-gke.0 # be specific until 1.9.x becomes default
       nodePools:
         - name: "default"
           initialNodeCount: 3

build/helm.yaml

@@ -0,0 +1,34 @@
+# Copyright 2018 Google Inc. All 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.
+
+# Service account for helm
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: helm
+  namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: helm
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+  - kind: ServiceAccount
+    name: helm
+    namespace: kube-system