Add examples for self-sharding by key, url & digest for helm.

examples/self-sharding/Makefile

@@ -42,6 +42,18 @@ deploy-primary-only-helm:
 	@helm install viking-ingress-primary-only $(CHARTDIR)/viking-test-app \
 		--values values-primary-only.yaml
 
+deploy-shard-by-digest-helm:
+	@helm install viking-ingress-shard-by-digest $(CHARTDIR)/viking-test-app \
+		--values values-shard-by-digest.yaml
+
+deploy-shard-by-url-helm:
+	@helm install viking-ingress-shard-by-url $(CHARTDIR)/viking-test-app \
+		--values values-shard-by-url.yaml
+
+deploy-shard-by-key-helm:
+	@helm install viking-ingress-shard-by-key $(CHARTDIR)/viking-test-app \
+		--values values-shard-by-key.yaml
+
 deploy-cafe-kubectl:
 	@kubectl apply -f $(mkdir)/../hello/cafe.yaml
 	@kubectl apply -f $(mkdir)/../hello/cafe-ingress.yaml
@@ -77,6 +89,18 @@ undeploy-primary-only-helm:
 	@helm uninstall viking-ingress-primary-only
 	$(MAKE) wait
 
+undeploy-shard-by-digest-helm:
+	@helm uninstall viking-ingress-shard-by-digest
+	$(MAKE) wait
+
+undeploy-shard-by-url-helm:
+	@helm uninstall viking-ingress-shard-by-url
+	$(MAKE) wait
+
+undeploy-shard-by-key-helm:
+	@helm uninstall viking-ingress-shard-by-key
+	$(MAKE) wait
+
 undeploy-cafe-kubectl:
 	@kubectl delete -f $(mkdir)/../hello/cafe-ingress.yaml
 	@kubectl delete -f $(mkdir)/../hello/cafe.yaml
@@ -122,6 +146,12 @@ deploy-self-sharding: deploy-self-sharding-helm
 undeploy-self-sharding: undeploy-self-sharding-helm
 deploy-primary-only: deploy-primary-only-helm
 undeploy-primary-only: undeploy-primary-only-helm
+deploy-shard-by-digest: deploy-shard-by-digest-helm
+undeploy-shard-by-digest: undeploy-shard-by-digest-helm
+deploy-shard-by-url: deploy-shard-by-url-helm
+undeploy-shard-by-url: undeploy-shard-by-url-helm
+deploy-shard-by-key: deploy-shard-by-key-helm
+undeploy-shard-by-key: undeploy-shard-by-key-helm
 endif
 
 ifeq ($(EXAMPLE),self-sharding)
@@ -141,7 +171,7 @@ deploy: deploy-shard-by-key
 undeploy: undeploy-shard-by-key
 else
 deploy undeploy:
-	$(error EXAMPLE must be set to self-sharding or primary-only)
+	$(error EXAMPLE must be set to self-sharding, primary-only, or shard-by-[digest|url|key])
 endif
 
 .PHONY: all $(MAKECMDGOALS)

examples/self-sharding/values-shard-by-digest.yaml

+apps:
+  coffee:
+    image: nginxdemos/hello:plain-text
+    replicas: 2
+  tea:
+    image: nginxdemos/hello:plain-text
+    replicas: 3
+
+ingress:
+  name: cafe-ingress
+  rules:
+  - host: cafe.example.com
+    paths:
+    - path: /tea
+      app: tea
+    - path: /coffee
+      app: coffee
+
+vikingAdmSvc: varnish-ingress-admin
+
+selfSharding:
+  primaryOnly: true
+  key: req.http.Host
+  digest: SHA3_512

examples/self-sharding/values-shard-by-key.yaml

+apps:
+  coffee:
+    image: nginxdemos/hello:plain-text
+    replicas: 2
+  tea:
+    image: nginxdemos/hello:plain-text
+    replicas: 3
+
+ingress:
+  name: cafe-ingress
+  rules:
+  - host: cafe.example.com
+    paths:
+    - path: /tea
+      app: tea
+    - path: /coffee
+      app: coffee
+
+vikingAdmSvc: varnish-ingress-admin
+
+selfSharding:
+  primaryOnly: true
+  key: req.http.Host

examples/self-sharding/values-shard-by-url.yaml

+apps:
+  coffee:
+    image: nginxdemos/hello:plain-text
+    replicas: 2
+  tea:
+    image: nginxdemos/hello:plain-text
+    replicas: 3
+
+ingress:
+  name: cafe-ingress
+  rules:
+  - host: cafe.example.com
+    paths:
+    - path: /tea
+      app: tea
+    - path: /coffee
+      app: coffee
+
+vikingAdmSvc: varnish-ingress-admin
+
+selfSharding:
+  primaryOnly: true
+  key: req.url