sam log

获取 Lambda 函数生成的日志。

当你的函数是一部分时Amazon CloudFormation堆栈，您可以在指定堆栈名称时使用函数的逻辑 ID 来获取日志。

使用方法：

sam logs [OPTIONS]

示例：

sam logs -n HelloWorldFunction --stack-name mystack

# You can view logs for a specific time range using the -s (--start-time) and -e (--end-time) options
sam logs -n HelloWorldFunction --stack-name mystack -s '10min ago' -e '2min ago'

# You can also add the --tail option to wait for new logs and see them as they arrive.
sam logs -n HelloWorldFunction --stack-name mystack --tail

# Use the --filter option to quickly find logs that match terms, phrases or values in your log events.
sam logs -n HelloWorldFunction --stack-name mystack --filter "error"
 
# View the logs for a resource in a child stack.
sam logs --stack-name mystack -n childstack/HelloWorldFunction
 
# Tail logs for all supported resources in your application.
sam logs --stack-name sam-app --tail

# Fetch logs for a specific Lambda function and API Gateway API in your application.
sam logs --stack-name sam-app --name HelloWorldFunction --name HelloWorldRestApi
 
# Fetch logs for all supported resources in your application, and additionally from the specified log groups.
sam logs --cw-log-group /aws/lambda/myfunction-123 --cw-log-group /aws/lambda/myfunction-456

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