CHE-8265: Add an ability to try Workspace.Next on k8s deployment

Signed-off-by: Oleksandr Garagatyi <ogaragat@redhat.com>

deploy/kubernetes/kubectl/Deploy Che.md

@@ -33,3 +33,7 @@ and clean redeploy of Che.
 - Create namespace `che`: `kubectl create namespace che`
 - Deploy Che: `kubectl --namespace=che apply -f che-kubernetes.yaml`
 - Check Che pod status until it become `Running`: `kubectl get --namespace=che pods`
+
+### Workspace Next:
+There is a file `wsnext/feature-api.yaml` which contains kubesrv service needed to test Workspace Next on kubernetes infrastructure.
+To use it call `kubectl apply --namespace=che -f wsnext/feature-api.yaml` and Che will be able to use Workspace Next flow.

deploy/kubernetes/kubectl/che-kubernetes.yaml

@@ -72,6 +72,7 @@ items:
     CHE_LOGS_APPENDERS_IMPL: "plaintext"
     CHE_INFRA_KUBERNETES_INGRESS_DOMAIN: "192.168.99.100.nip.io"
     CHE_INFRA_KUBERNETES_SERVER__STRATEGY: "default-host"
+    CHE_WORKSPACE_FEATURE_API: "http://feature-api-service:3000"
 - apiVersion: extensions/v1beta1
   kind: Ingress
   metadata:
@@ -270,6 +271,11 @@ items:
               configMapKeyRef:
                 key: CHE_INFRA_KUBERNETES_SERVER__STRATEGY
                 name: che
+          - name: CHE_WORKSPACE_FEATURE_API
+            valueFrom:
+              configMapKeyRef:
+                key: CHE_WORKSPACE_FEATURE_API
+                name: che
           image: eclipse/che-server:nightly
           imagePullPolicy: Always
           livenessProbe:

deploy/kubernetes/kubectl/wsnext/feature-api.yaml

@@ -0,0 +1,85 @@
+---
+apiVersion: v1
+kind: List
+items:
+- apiVersion: v1
+  kind: Service
+  metadata:
+    labels:
+      app: feature-api
+    name: feature-api-service
+  spec:
+    ports:
+    - name: feature-api
+      port: 3000
+      protocol: TCP
+      targetPort: 3000
+    selector:
+      app: feature-api
+- apiVersion: v1
+  kind: ConfigMap
+  metadata:
+    labels:
+      app: feature-api
+    name: feature-api
+  data:
+    CHE_REGISTRY_UPDATE_INTERVAL: "60"
+    CHE_REGISTRY_GITHUB_URL: "https://github.com/garagatyi/che-registry.git"
+- apiVersion: extensions/v1beta1
+  kind: Ingress
+  metadata:
+    name: feature-api-ingress
+    annotations:
+      nginx.ingress.kubernetes.io/rewrite-target: /
+      nginx.ingress.kubernetes.io/proxy-read-timeout: "3600"
+      nginx.ingress.kubernetes.io/proxy-connect-timeout: "3600"
+  spec:
+    rules:
+    - host: feature.192.168.99.100.nip.io
+      http:
+        paths:
+        - backend:
+            serviceName: feature-api-service
+            servicePort: 3000
+- apiVersion: extensions/v1beta1
+  kind: Deployment
+  metadata:
+    labels:
+      app: feature-api
+    name: feature-api
+  spec:
+    replicas: 1
+    revisionHistoryLimit: 2
+    selector:
+      matchLabels:
+        app: feature-api
+    strategy:
+      type: Recreate
+    template:
+      metadata:
+        labels:
+          app: feature-api
+      spec:
+        containers:
+        - env:
+          - name: CHE_REGISTRY_UPDATE_INTERVAL
+            valueFrom:
+              configMapKeyRef:
+                key: CHE_REGISTRY_UPDATE_INTERVAL
+                name: feature-api
+          - name: CHE_REGISTRY_GITHUB_URL
+            valueFrom:
+              configMapKeyRef:
+                key: CHE_REGISTRY_GITHUB_URL
+                name: feature-api
+          image: garagatyi/kubesrv:latest
+          imagePullPolicy: Always
+          name: feature-api
+          ports:
+          - containerPort: 3000
+            name: feature-api
+          resources:
+            limits:
+              memory: 600Mi
+            requests:
+              memory: 256Mi