feat: add a gRPC-web envoy

Author: kkweon

k8s/kkweon-okteto/envoy-config.yaml

@@ -0,0 +1,67 @@
+apiVersion: v1
+data:
+  envoy.yaml: |-
+    admin:
+      access_log_path: /tmp/admin_access.log
+      address:
+        socket_address:
+          address: 0.0.0.0
+          port_value: 9000
+    static_resources:
+      listeners:
+        - name: listener_0
+          address:
+            socket_address:
+              address: 0.0.0.0
+              port_value: 8080
+          filter_chains:
+            - filters:
+                - name: envoy.filters.network.http_connection_manager
+                  typed_config:
+                    "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
+                    stat_prefix: ingress_http
+                    access_log:
+                      - name: envoy.access_loggers.stdout
+                        typed_config:
+                          "@type": type.googleapis.com/envoy.extensions.access_loggers.stream.v3.StdoutAccessLog
+                    http_filters:
+                      - name: envoy.filters.http.grpc_web
+                      - name: envoy.filters.http.cors
+                      - name: envoy.filters.http.router
+                    route_config:
+                      name: local_route
+                      virtual_hosts:
+                        - name: local_service
+                          domains: [ "*" ]
+                          routes:
+                            - match:
+                                prefix: "/"
+                              route:
+                                cluster: grpc_service
+                                timeout: 0s
+                                max_stream_duration:
+                                  grpc_timeout_header_max: 0s
+                          cors:
+                            allow_origin_string_match:
+                              - prefix: "*"
+                            allow_methods: GET, PUT, DELETE, POST, OPTIONS
+                            allow_headers: keep-alive,user-agent,cache-control,content-type,content-transfer-encoding,custom-header-1,x-accept-content-transfer-encoding,x-accept-response-streaming,x-user-agent,x-grpc-web,grpc-timeout
+                            max_age: "1728000"
+                            expose_headers: custom-header-1,grpc-status,grpc-message
+      clusters:
+        - name: grpc_service
+          connect_timeout: 0.25s
+          type: logical_dns
+          lb_policy: round_robin
+          load_assignment:
+            cluster_name: cluster_0
+            endpoints:
+              - lb_endpoints:
+                  - endpoint:
+                      address:
+                        socket_address:
+                          address: server
+                          port_value: 9000
+kind: ConfigMap
+metadata:
+  name: envoy-config

k8s/kkweon-okteto/envoy-deployment.yaml

@@ -0,0 +1,73 @@
+kind: Ingress
+apiVersion: networking.k8s.io/v1
+metadata:
+  name: envoy
+  annotations:
+    dev.okteto.com/generate-host: "true"
+    kubernetes.io/ingress.class: "nginx"
+    nginx.ingress.kubernetes.io/ssl-redirect: "true"
+spec:
+  rules:
+    - host: this-name-does-not-matter
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: envoy
+                port:
+                  name: envoy
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: envoy
+  name: envoy
+spec:
+  ports:
+    - name: envoy
+      port: 8080
+      protocol: TCP
+      targetPort: envoy
+    - name: admin
+      port: 9000
+      protocol: TCP
+      targetPort: admin
+  selector:
+    app: envoy
+  type: ClusterIP
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: envoy
+  name: envoy
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: envoy
+  template:
+    metadata:
+      labels:
+        app: envoy
+    spec:
+      containers:
+        - image: envoyproxy/envoy-alpine:v1.18-latest
+          name: envoy-distroless
+          ports:
+            - containerPort: 9000
+              name: admin
+            - containerPort: 8080
+              name: envoy
+          volumeMounts:
+            - mountPath: /etc/envoy/envoy.yaml
+              subPath: envoy.yaml
+              name: envoy-config
+      volumes:
+        - name: envoy-config
+          configMap:
+            name: envoy-config