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Building a Program

You can download and use the alarm log extracting program package provided in this example.

Creating a Function

Create a function by uploading the sample code package to extract logs, as shown in Figure 1. For details, see Creating a Function.

Figure 1 Creating a function

This function performs Base64 decoding on received log event data, extracts alarm logs containing keyword WRN, WARN, ERR, or ERROR, and then stores the extracted logs in the specified OBS bucket. Set log extraction conditions based on the content of your service logs.

Setting Environment Variables

On the Configuration tab page of the preceding function, set environment variables to pass the bucket address, bucket name, and object name, as shown in Table 1.

Table 1 Environment variables

Environment Variable

Description

obs_address

OBS endpoint. To obtain the OBS endpoint, see Regions and Endpoints. For example, the OBS endpoint in North China is obs.cn-north-1.myhuaweicloud.com.

obs_store_bucket

Name of the target bucket for storing logs.

obs_store_objName

Name of the target file for storing logs.

SMN_Topic

SMN topic.

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