Help Center> FunctionGraph> Best Practices> Integrating with CTS to Analyze Login/Logout Security> Building a Program

Updated on 2023-12-15 GMT+08:00

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Building a Program

Download index.zip to create an alarm log analysis function from scratch.

Creating a Function

Create a function by uploading the sample code package to extract logs. Select the Python 2.7 runtime and the agency serverless_trust created in Creating an Agency. For details about how to create a function, see Creating an Event Function.

This function analyzes received operation records, filters logins or logouts from unauthorized IP addresses using a whitelist, and sends alarms under a specified SMN topic. This function can be used to build an account security monitoring service.

Setting Environment Variables

On the Configuration tab page of the function details page, set the environment variables listed in Table 1.

**Table 1** Environment variables
Environment Variable	Description
SMN_Topic	SMN topic.
RegionName	Region name.
IP	IP address whitelist.

Set the environment variables by following the procedure in Environment Variables.

Parent topic: Integrating with CTS to Analyze Login/Logout Security

Previous topic: Preparation

Next topic: Adding an Event Source

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