Add example of PyMS with metrics (#208)

Author: vmjelicic

examples/microservice_metrics/__init__.py

@@ -0,0 +1,3 @@
+from pyms.flask.app import Microservice
+
+ms = Microservice()

examples/microservice_metrics/config.yml

@@ -0,0 +1,13 @@
+pyms:
+  services:
+    metrics: true
+    requests:
+      data: ""
+    swagger:
+      path: ""
+      file: "swagger.yaml"
+  config:
+    DEBUG: true
+    TESTING: false
+    APP_NAME: "Python Microservice"
+    APPLICATION_ROOT: ""

examples/microservice_metrics/main.py

@@ -0,0 +1,6 @@
+from examples.microservice_metrics import ms
+
+app = ms.create_app()
+
+if __name__ == '__main__':
+    app.run()

examples/microservice_metrics/swagger.yaml

@@ -0,0 +1,55 @@
+---
+swagger: "2.0"
+info:
+  description: "This is a sample server Test server"
+  version: "1.0.0"
+  title: "Swagger Test list"
+  termsOfService: "http://swagger.io/terms/"
+  contact:
+    email: "apiteam@swagger.io"
+  license:
+    name: "Apache 2.0"
+    url: "http://www.apache.org/licenses/LICENSE-2.0.html"
+tags:
+- name: "colors"
+  description: "Everything about your colors"
+  externalDocs:
+    description: "Find out more"
+    url: "http://swagger.io"
+- name: "store"
+  description: "Example endpoint  list of colors"
+- name: "user"
+  description: "Operations about user"
+  externalDocs:
+    description: "Find out more about our store"
+    url: "http://swagger.io"
+schemes:
+- "http"
+paths:
+  /:
+    get:
+      tags:
+      - "test"
+      summary: "Example endpoint"
+      description: ""
+      operationId: "examples.microservice_metrics.views.example"
+      consumes:
+      - "application/json"
+      produces:
+      - "application/json"
+      responses:
+        "200":
+          description: "A list of colors (may be filtered by palette)"
+          schema:
+            $ref: '#/definitions/Example'
+        "405":
+          description: "Invalid input"
+definitions:
+  Example:
+    type: "object"
+    properties:
+      main:
+        type: "string"
+externalDocs:
+  description: "Find out more about Swagger"
+  url: "http://swagger.io"

examples/microservice_metrics/views.py

@@ -0,0 +1,10 @@
+from flask import current_app
+
+from examples.microservice_metrics import ms
+
+
+def example():
+    current_app.logger.info("start request")
+    result = ms.requests.get_for_object("https://ghibliapi.herokuapp.com/films/2baf70d1-42bb-4437-b551-e5fed5a87abe")
+    current_app.logger.info("end request")
+    return result