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#!/usr/bin/env python
'''
CodeCommit to CodeBuild Integration
Start CodeBuild jobs based on CodeCommit events.
'''
import json
import logging
import boto3
LOG = logging.getLogger()
LOG.setLevel(logging.INFO)
PROJECT_NAME = 'BlogCI'
def get_is_tag(ref):
return 'tags' in ref
def submit_build(reference, project_name, region):
'''Submit codebuild job for reference'''
client = boto3.client('codebuild', region_name=region)
response = client.start_build(
projectName=project_name,
sourceVersion=reference,
)
LOG.info(response['build'])
def debug_handler(detail):
'''Log details and exit'''
LOG.warn(detail)
return True
def reference_change_handler(detail):
'''handle reference change events, submitting code build jobs if needed'''
references = detail['codecommit']['references']
region = detail['awsRegion']
for reference in references:
is_deleted = reference.get('deleted', False)
if is_deleted:
continue
if 'tags' in reference['ref']:
submit_build(reference['ref'], PROJECT_NAME, region)
else:
submit_build(reference['commit'], PROJECT_NAME, region)
EVENT_HANDLERS = {
'TriggerEventTest': False,
'ReferenceChanges': reference_change_handler,
}
def handler(event, _context):
'''Main Event Handler'''
for message_record in event['Records']:
records = json.loads(message_record['Sns']['Message'])
for record in records['Records']:
name = record['eventName']
event_handler = EVENT_HANDLERS.get(name)
if event_handler is False:
return True
elif event_handler is None:
event_handler = debug_handler
try:
event_handler(record)
except Exception as ex:
LOG.error('Runtime exception occurred: %s', ex)
return True
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