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Get all event messages of a group and stream from CloudWatch Logs AWS
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import boto3 | |
from datetime import datetime | |
def get_events(log_group_name, log_stream_name, region_name=None): | |
""" | |
Get all event messages of a group and stream from CloudWatch Logs AWS | |
""" | |
client = boto3.client('logs', region_name=region_name) | |
# first request | |
response = client.get_log_events( | |
logGroupName=log_group_name, | |
logStreamName=log_stream_name, | |
startFromHead=True) | |
yield from response['events'] | |
# second and later | |
while True: | |
prev_token = response['nextForwardToken'] | |
response = client.get_log_events( | |
logGroupName=log_group_name, | |
logStreamName=log_stream_name, | |
nextToken=prev_token) | |
# same token then break | |
if response['nextForwardToken'] == prev_token: | |
break | |
yield from response['events'] | |
# usage | |
log_group = '/aws/lambda/hogeprocedure' | |
log_stream = '2018/10/10/[$LATEST]7673b1e6c7f233ae9dbebcfe494f5836' | |
for event in get_events(log_group, log_stream): | |
print('{} {}'.format( | |
datetime.fromtimestamp(int(event['timestamp']) / 1000), | |
event['message'])) |
Thank you for your comment!
I change code, reduced loop layer with yield from
.
Do you mean like this? @muzhig
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yield from would make it prettier ;-)