Add helm deployments and a Makefile for the "cluster-wide" example/test.

examples/architectures/clusterwide/Makefile

+# Copyright (c) 2020 UPLEX Nils Goroll Systemoptimierung
+# All rights reserved
+#
+# Author: Geoffrey Simmons <geoffrey.simmons@uplex.de>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+# GNU make is required.
+
+mkpath := $(abspath $(lastword $(MAKEFILE_LIST)))
+mkdir := $(dir $(mkpath))
+
+CHARTDIR=$(mkdir)/../../../charts
+
+# For the klarlack image: make VARNISH=klarlack ...
+ifndef VARNISH
+	VARNISH=varnish
+endif
+
+CI_REPO_PFX=registry.gitlab.com/uplex/varnish/k8s-ingress/varnish-ingress
+
+# For tests using the local docker registry: make TEST=local ...
+# For tests using images from the CI pipeline: make TEST=ci ...
+ifeq ($(TEST),local)
+	VARNISH_IMAGE=varnish-ingress/$(VARNISH)
+	VARNISH_TAG=latest
+	HAPROXY_IMAGE=varnish-ingress/haproxy
+	HAPROXY_TAG=latest
+else ifeq ($(TEST),ci)
+	VARNISH_IMAGE=$(CI_REPO_PFX)/$(VARNISH)
+	VARNISH_TAG=master
+	HAPROXY_IMAGE=$(CI_REPO_PFX)/haproxy
+	HAPROXY_TAG=master
+endif
+
+# If not specified, pull the latest "official" images from dockerhub.
+LATEST=0.0.2
+ifndef VARNISH_IMAGE
+	VARNISH_IMAGE=uplex/viking-$(VARNISH)
+endif
+ifndef VARNISH_TAG
+	VARNISH_TAG=$(LATEST)
+endif
+ifndef HAPROXY_IMAGE
+	HAPROXY_IMAGE=uplex/viking-haproxy
+endif
+ifndef HAPROXY_TAG
+	HAPROXY_TAG=$(LATEST)
+endif
+
+all: deploy
+
+deploy-helm:
+	@kubectl apply -f namespace.yaml
+	@helm install viking-service-clusterwide $(CHARTDIR)/viking-service \
+		--values values-varnish.yaml --namespace kube-system \
+		--set vikingService.varnish.image.repository=$(VARNISH_IMAGE) \
+		--set vikingService.varnish.image.tag=$(VARNISH_TAG) \
+		--set vikingService.haproxy.image.repository=$(HAPROXY_IMAGE) \
+		--set vikingService.haproxy.image.tag=$(HAPROXY_TAG)
+	@helm install coffee-ingress $(CHARTDIR)/viking-test-app \
+		--values values-coffee.yaml --namespace coffee
+	@helm install tea-ingress $(CHARTDIR)/viking-test-app \
+		--values values-tea.yaml --namespace tea
+	@helm install other-ingress $(CHARTDIR)/viking-test-app \
+		--values values-other.yaml --namespace other
+
+deploy-kubectl:
+	@kubectl apply -f namespace.yaml
+	@kubectl apply -f rbac.yaml
+	@kubectl apply -f coffee.yaml
+	@kubectl apply -f tea.yaml
+	@kubectl apply -f other.yaml
+	@kubectl apply -f adm-secret.yaml
+	@kubectl apply -f admin-svc.yaml
+	@kubectl apply -f nodeport.yaml
+	@kubectl apply -f varnish.yaml
+	@kubectl apply -f coffee-ingress.yaml
+	@kubectl apply -f tea-ingress.yaml
+	@kubectl apply -f other-ingress.yaml
+
+deploy:
+
+ifeq ($(DEPLOY),kubectl)
+deploy: deploy-kubectl
+else
+deploy: deploy-helm
+endif
+
+# TESTOPTS are passed to varnishtest, e.g.: make TESTOPTS=-v verify
+verify:
+	$(mkdir)/verify.sh
+
+undeploy-helm:
+	@helm uninstall other-ingress --namespace other
+	@helm uninstall tea-ingress --namespace tea
+	@helm uninstall coffee-ingress --namespace coffee
+	@helm uninstall viking-service-clusterwide --namespace kube-system
+	@kubectl delete -f namespace.yaml
+
+undeploy-kubectl:
+	@kubectl delete -f other-ingress.yaml
+	@kubectl delete -f tea-ingress.yaml
+	@kubectl delete -f coffee-ingress.yaml
+	@kubectl delete -f varnish.yaml
+	@kubectl delete -f nodeport.yaml
+	@kubectl delete -f admin-svc.yaml
+	@kubectl delete -f adm-secret.yaml
+	@kubectl delete -f other.yaml
+	@kubectl delete -f tea.yaml
+	@kubectl delete -f coffee.yaml
+	@kubectl delete -f rbac.yaml
+	@kubectl delete -f namespace.yaml
+
+undeploy:
+
+ifeq ($(DEPLOY),kubectl)
+undeploy: undeploy-kubectl
+else
+undeploy: undeploy-helm
+endif
+
+.PHONY: all $(MAKECMDGOALS)

examples/architectures/clusterwide/values-coffee.yaml

+apps:
+  coffee:
+    image: nginxdemos/hello:plain-text
+    replicas: 2
+
+ingress:
+  name: coffee-ingress
+  rules:
+  - host: coffee.example.com
+    paths:
+    - app: coffee
+
+vikingAdmSvc: kube-system/varnish-ingress-admin

examples/architectures/clusterwide/values-other.yaml

+apps:
+  other:
+    image: nginxdemos/hello:plain-text
+    replicas: 2
+
+ingress:
+  name: other-ingress
+
+defaultApp:
+  app: other
+
+vikingAdmSvc: kube-system/varnish-ingress-admin

examples/architectures/clusterwide/values-tea.yaml

+apps:
+  tea:
+    image: nginxdemos/hello:plain-text
+    replicas: 3
+
+ingress:
+  name: tea-ingress
+  rules:
+  - host: tea.example.com
+    paths:
+    - app: tea
+
+vikingAdmSvc: kube-system/varnish-ingress-admin

examples/architectures/clusterwide/values-varnish.yaml

+nameOverride: varnish-ingress
+fullnameOverride: varnish-ingress
+vikingService:
+
+  ## Name of the ingress class to route through this controller
+  ##
+  ingressClass: varnish
+
+  # labels to add to the pod container metadata
+  podLabels:
+    app: varnish-ingress