CloudWatch Logs
Log groups, streams, events, filter patterns, CloudWatch Logs Insights queries.
Quick start
import boto3
logs = boto3.client("logs", endpoint_url="http://localhost:4566",
region_name="us-east-1",
aws_access_key_id="test", aws_secret_access_key="test")
logs.create_log_group(logGroupName="/app")
logs.create_log_stream(logGroupName="/app", logStreamName="main")
logs.put_log_events(logGroupName="/app", logStreamName="main",
logEvents=[{"timestamp": 1, "message": "hello"}])
Supported operations
30 operations exposed by this service as of MiniStack 1.3.14. Extracted directly from the handler dispatch in the source module.
CreateLogGroup
CreateLogStream
DeleteDestination
DeleteLogGroup
DeleteLogStream
DeleteMetricFilter
DeleteRetentionPolicy
DeleteSubscriptionFilter
DescribeDestinations
DescribeLogGroups
DescribeLogStreams
DescribeMetricFilters
DescribeSubscriptionFilters
FilterLogEvents
GetLogEvents
GetQueryResults
ListTagsForResource
ListTagsLogGroup
PutDestination
PutDestinationPolicy
PutLogEvents
PutMetricFilter
PutRetentionPolicy
PutSubscriptionFilter
StartQuery
StopQuery
TagLogGroup
TagResource
UntagLogGroup
UntagResource
CloudFormation
The CloudFormation engine provisions these resource types via this service:
AWS::Logs::LogGroup
See CloudFormation engine for intrinsic support and lifecycle details.
Known limitations
- Retention policies are stored but log data is not automatically expired.
- Subscription filters are stored but not triggered — destination services (Firehose/Lambda/Kinesis) receive no events.
- ECS task logs and CodeBuild build logs are NOT piped into log groups (see their service pages).
Source
ministack/services/cloudwatch_logs.py:121-181
Read the source to verify the ops list above — dispatch tables and handler functions are the ground truth.