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Using an APIG (Dedicated) Trigger

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Язык статьи: Английский
Перевести

For details about the APIG event source, see Supported Event Sources.

Prerequisites

You have created an API group, for example, APIGroup_test. For details, see Creating an API Group.

Creating an APIG Trigger

  1. Log in to the FunctionGraph console, and choose Functions > Function List in the navigation pane.
  2. Click Create Function.
  3. Set the following parameters:

    • Template: Select Create from scratch.
    • Function Name: Enter a function name, for example, apig.
    • Enterprise Project: Select default.
    • Agency: Select Use no agency.
    • Runtime: Select Python 2.7.

  4. Click Create Now.
  5. On the Code tab page, copy the following code to the code window and click Deploy.

    # -*- coding:utf-8 -*-
    import json
    def handler (event, context):
        body = "<html><title>Functiongraph Demo</title><body><p>Hello, FunctionGraph!</p></body></html>"
        print(body)
        return {
            "statusCode":200,
            "body":body,
            "headers": {
                "Content-Type": "text/html",
            },        
            "isBase64Encoded": False
        }

  6. Choose Configuration > Triggers and click Create Trigger.
  7. Configure the trigger information.

    Table 1 Trigger information

    Parameter

    Description

    Trigger Type

    Select API Gateway (Dedicated Gateway).

    API Name

    Enter an API name, for example, API_apig.

    API Group

    An API group is a collection of APIs. You can manage APIs by API group.

    Select APIGroup_test.

    Environment

    An API can be called in different environments, such as production, test, and development environments. API Gateway provides the environment management function, which allows you to define different request paths for an API in different environments.

    To ensure that the API can be called, select RELEASE.

    Security Authentication

    There are three authentication modes:

    • App: AppKey and AppSecret high security authentication. This authentication mode is recommended. For details, see App Authentication.
    • IAM: IAM medium security authentication. This mode grants access to IAM users only. For details, see IAM Authentication.
    • None: No authentication. Access is granted to all users.

    Select None.

    Protocol

    There are two types of protocols:

    • HTTP
    • HTTPS

    Select HTTPS.

    Timeout (ms)

    Enter 5000.

  8. Click OK.

    Figure 1 APIG trigger


    Note
    1. URL indicates the calling address of the APIG trigger.
    2. After the APIG trigger is created, an API named API_apig is generated on the API Gateway console. You can click the API name in the trigger list to go to the API Gateway console.

Invoking the Function

  1. Enter the URL (see Figure 2) of the APIG trigger in the address bar of a browser, and press Enter.

    Figure 2 APIG trigger URL


  2. After the function is executed, check the execution result, as shown in Figure 3.

    Figure 3 Returned result


Viewing the Execution Result

  1. In the navigation pane of the FunctionGraph console, choose Functions > Function List.
  2. Click the name of the apig function.
  3. On the function details page, choose Monitoring > Logs tab to view function logs.
Parent topic: Getting Started
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