'Amazon CloudWatch: How to find ARN of CloudWatch Log group

I configure Custom Access Logging for Amazon API Gateway and I need to specify CloudWatch Group name, but when I put these just name of log group in format like "API-Gateway-Execution-Logs_3j5w5m7kv9/stage-name" I get such error:

Invalid ARN specified in the request. ARNs must start with 'arn:': API-Gateway-Execution-Logs_3j5w5m7kv9/stage-name

When I open page of this log group in CloudWatch I just see the same name there and don't see ARN value. How can I find it?

aws-api-gateway amazon-cloudwatch

Solution 1:^[1]

The CloudWatch Group ARN format is arn:aws:logs:{region}:{account-id}:log-group:API-Gateway-Execution-Logs_{rest-api-id}/{stage-name}, cf. https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-logging.html

Solution 2:^[2]

arn:aws:logs:region:account-id:log-group:log_group_name

See this documentation

Solution 3:^[3]

You can also use AWS CLI

aws logs describe-log-groups | grep <log_group_name> | awk '/arn/'

Solution 4:^[4]

2022 Update

Select your log group:

Click `Log Group Details`:

Copy the ARN:

Solution 5:^[5]

Or you could do a aws logs describe-log-groups | grep <name_of_group>

That works too.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution	Source
Solution 1	holm50
Solution 2	Das_Geek
Solution 3	Surya Prakash Patel
Solution 4	harrolee
Solution 5	krystan honour

'Amazon CloudWatch: How to find ARN of CloudWatch Log group

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