add configuration examples

Change-Id: If32575a1a7df2456d86fa2fc7dbbd12dbb905e21

Author: JLXIA

README.md

@@ -79,6 +79,10 @@ To find out more about building, running, and testing ESPv2:
 
 * [Run ESPv2 on Google GKE](/doc/esp-v2-on-k8s.md)
 
+## Examples
+
+How to configure ESPv2?  See [examples](/examples/README.md)
+
 ## Disclaimer
 
 ESPv2 is in Beta currently.

examples/README.md

@@ -0,0 +1,26 @@
+# ESPv2 Configurations
+
+This directory contains examples of how to configure ESPv2.
+
+## Service Control
+
+Includes how to configure Authorization by API Key, and Quota, controlled by ServiceControl filter.
+
+* [Producer defined OpenAPI Specification](/service_control/openapi_swagger.json)
+
+* [Google Cloud Endpoints generated Service configuration](
+/service_control/service_config_generated.json
+ ): Service configuration generated by ServiceManagement Service.
+ Can be accessible by running:
+
+```
+gcloud endpoints configs describe "${CONFIG_ID}" --project="${PROJECT}" \
+  --service="${SERVICE}" --format=json > service.json
+```
+
+* [ESPv2 generated Envoy configuration](
+/service_control/envoy_config.json
+ ):  Equivalent Envoy static Bootstrap configuration.
+
+## Dynamic Routing(TBD)
+

examples/service_control/envoy_config.json

@@ -0,0 +1,120 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "description": "A simple Google Cloud Endpoints Bookstore API example.",
+    "title": "Bookstore",
+    "version": "1.0.0"
+  },
+  "host": "bookstore.endpoints.apiproxy-231719.cloud.goog",
+  "basePath": "/",
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "schemes": [
+    "https"
+  ],
+  "paths": {
+    "/shelves": {
+      "get": {
+        "description": "Returns all shelves in the bookstore.",
+        "operationId": "listShelves",
+        "produces": [
+          "application/json"
+        ],
+        "responses": {
+          "200": {
+            "description": "List of shelves in the bookstore.",
+            "schema": {
+              "$ref": "#/definitions/listShelvesResponse"
+            }
+          }
+        },
+        "x-google-quota": {
+          "metricCosts": {
+            "read-requests": 1
+          }
+        },
+        "security": []
+      },
+      "post": {
+        "description": "Creates a new shelf in the bookstore.",
+        "operationId": "createShelf",
+        "parameters": [
+          {
+            "description": "A shelf resource to create.",
+            "in": "body",
+            "name": "shelf",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/shelf"
+            }
+          }
+        ],
+        "produces": [
+          "application/json"
+        ],
+        "responses": {
+          "200": {
+            "description": "A newly created shelf resource.",
+            "schema": {
+              "$ref": "#/definitions/shelf"
+            }
+          }
+        },
+        "security": [
+          {
+            "api_key": []
+          }
+        ]
+      }
+    }
+  },
+  "definitions": {
+    "shelf": {
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "theme": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "name",
+        "theme"
+      ]
+    }
+  },
+  "securityDefinitions": {
+    "api_key": {
+      "in": "query",
+      "name": "key",
+      "type": "apiKey"
+    }
+  },
+  "x-google-management": {
+    "metrics": [
+      {
+        "name": "read-requests",
+        "displayName": "Read requests",
+        "value_type": "INT64",
+        "metric_kind": "DELTA"
+      }
+    ],
+    "quota": {
+      "limits": [
+        {
+          "name": "read-limit",
+          "metric": "read-requests",
+          "unit": "1/min/{project}",
+          "values": {
+            "STANDARD": 1000
+          }
+        }
+      ]
+    }
+  }
+}