Most AWS APIs will have limits on the amount of data you can send in one request and sometimes you really need to send a lot of data! To try to maximise the amount of data you can send, while still staying within the limits, some APIs support sending gzip-compressed payloads. But how can you send a gzipped request when using the Python SDK for AWS (boto3)? Well, I needed to answer this question recently and it turned out not to be as easy as I anticipated… Let’s jump into this rabbit hole together and let’s find out the answer!

1. How to send gzipped requests
with boto3
Luciano Mammino ( )
@loige
AWS UserGroup Dublin
2021-07-01
loige.link/gzip-boto3
1

2. loige.link/gzip-boto3
Get these slides!
loige 2

3. Let me introduce myself first...
3

4. Let me introduce myself first...
I'm Luciano ( 🍕🍝) 👋
3

5. Let me introduce myself first...
I'm Luciano ( 🍕🍝) 👋
Senior Architect @ fourTheorem (Dublin )
3

6. Let me introduce myself first...
I'm Luciano ( 🍕🍝) 👋
Senior Architect @ fourTheorem (Dublin )
nodejsdp.link
Co-Author of Node.js Design Patterns 👉
3

7. Let me introduce myself first...
I'm Luciano ( 🍕🍝) 👋
Senior Architect @ fourTheorem (Dublin )
nodejsdp.link
Co-Author of Node.js Design Patterns 👉
Connect with me:
(blog)
(twitter)
(twitch)
(github)
loige.co
@loige
loige
lmammino 3

8. We are business focused technologists that
deliver.
| |
Accelerated Serverless AI as a Service Platform Modernisation
We are hiring: do you want to ?
work with us
loige 4

9. loige
In the previous episodes...
SLIC WATCH:
SLIDES:
fth.link/slic-watch
fth.link/o11y-no-pain
5

10. loige
⚠ ALARM "Custom-Metrics-MetricsFunctionErrorsAlarm" in EU (Ireland)
Threshold crossed: 1 out of the last 1 datapoints [84.0 (23/06/21 09:30:00)] was
greater than or equal to the threshold (1.0) (minimum 1 datapoint for OK ->
ALARM transition).
@wake_me_up_bot
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11. loige 7

12. loige 8

13. loige
This guy was failing... a lot!
8

14. loige 9

15. for event in payload['logEvents']:
# ...
cw_client.put_metric_data(...)
loige 10

16. for event in payload['logEvents']:
# ...
cw_client.put_metric_data(...)
loige
Sending 1 metric per log line... 🙈
10

17. [
{
'MetricName': 'SomeMetric1',
'Dimensions': [
{
'Name': 'Dimension1Name',
'Value': 'Dimension1Value'
},
# Up to other 9 dimensions here ...
],
'Unit': 'Count',
'Values': [217, 220, 221], # Up to 150 items here ...
'Timestamp': 1624290910000
},
# Up to other 19 metric items here ...
]
loige 11

18. [
{
'MetricName': 'SomeMetric1',
'Dimensions': [
{
'Name': 'Dimension1Name',
'Value': 'Dimension1Value'
},
# Up to other 9 dimensions here ...
],
'Unit': 'Count',
'Values': [217, 220, 221], # Up to 150 items here ...
'Timestamp': 1624290910000
},
# Up to other 19 metric items here ...
]
loige
⚠Payload size
limit: 40 KB
11

19. loige 12

20. loige
🤔
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21. loige
Maybe boto3 gzips the data
automatically! 😏
13

22. import boto3
import gzip
endpoint_url = "http://localhost:8000/"
cw_client = boto3.client('cloudwatch', endpoint_url=endpoint_url, use_ssl=False)
cw_client.put_metric_data(
MetricData = [
{
'MetricName': 'TEST_BOTO',
'Dimensions': [
{
'Name': 'APP_VERSION',
'Value': '1.0'
},
],
'Unit': 'None',
'Value': 17
},
],
Namespace='BotoTest'
)
loige 14

23. import boto3
import gzip
endpoint_url = "http://localhost:8000/"
cw_client = boto3.client('cloudwatch', endpoint_url=endpoint_url, use_ssl=False)
cw_client.put_metric_data(
MetricData = [
{
'MetricName': 'TEST_BOTO',
'Dimensions': [
{
'Name': 'APP_VERSION',
'Value': '1.0'
},
],
'Unit': 'None',
'Value': 17
},
],
Namespace='BotoTest'
)
loige 14

24. import boto3
import gzip
endpoint_url = "http://localhost:8000/"
cw_client = boto3.client('cloudwatch', endpoint_url=endpoint_url, use_ssl=False)
cw_client.put_metric_data(
MetricData = [
{
'MetricName': 'TEST_BOTO',
'Dimensions': [
{
'Name': 'APP_VERSION',
'Value': '1.0'
},
],
'Unit': 'None',
'Value': 17
},
],
Namespace='BotoTest'
)
loige 14

25. loige 15

26. loige
... and there is no magic flag like
GzipPayload=True! 😭
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27. loige
Can we extend boto3 somehow? 🤔
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28. loige
boto3 has an event system! 🤩
youtu.be/eM8uoGJO2AI
@thekyleknapp
18

29. import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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loige 19

30. import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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import boto3
lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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loige 19

31. import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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import boto3
lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
import boto3
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lambda_client = boto3.client('lambda')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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loige 19

32. import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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import boto3
lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
import boto3
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lambda_client = boto3.client('lambda')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# get the event system for the lambda_client
event_system = lambda_client.meta.events
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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loige 19

33. import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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import boto3
lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
import boto3
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lambda_client = boto3.client('lambda')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# get the event system for the lambda_client
event_system = lambda_client.meta.events
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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loige 19

34. import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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import boto3
lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
import boto3
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lambda_client = boto3.client('lambda')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# get the event system for the lambda_client
event_system = lambda_client.meta.events
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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loige 19

35. import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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import boto3
lambda_client = boto3.client('lambda')
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# our event handler
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def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
import boto3
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lambda_client = boto3.client('lambda')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# get the event system for the lambda_client
event_system = lambda_client.meta.events
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
5
def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
5
def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# invoke a lambda function
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lambda_client.invoke(FunctionName='my-function')
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# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
import boto3
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lambda_client = boto3.client('lambda')
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# our event handler
5
def add_xtrace_header(request, **kwargs):
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request.headers.add_header('x-trace-id', 'trace-trace')
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# get the event system for the lambda_client
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event_system = lambda_client.meta.events
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# attach an event handler to the client for
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event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
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import boto3
lambda_client = boto3.client('lambda')
# our event handler
def add_xtrace_header(request, **kwargs):
request.headers.add_header('x-trace-id', 'trace-trace')
# get the event system for the lambda_client
event_system = lambda_client.meta.events
# attach an event handler to the client for
event_system.register('before-sign.lambda.Invoke', add_xtrace_header)
# invoke a lambda function
lambda_client.invoke(FunctionName='my-function')
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loige 19

36. loige
Event naming convention
<event-type>.<service-name>.<operation-name>
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37. loige
Event naming convention
<event-type>.<service-name>.<operation-name>
provide-client-params
request-created
before-sign
before-send
response-received
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38. loige
Event naming convention
<event-type>.<service-name>.<operation-name>
provide-client-params
request-created
before-sign
before-send
response-received
s3
cloudwatch
lambda
...
20

39. loige
Event naming convention
<event-type>.<service-name>.<operation-name>
provide-client-params
request-created
before-sign
before-send
response-received
s3
cloudwatch
lambda
...
ListBuckets
PutMetricData
Invoke
...
20

40. loige
You can be a 🌟too!
* (every event)
after-call.*.* (all responses)
after-call.lambda.* (all responses for lambda)
21

41. loige
OK, now we know enough to write
our own event handler for gzip
compression! 🤓
22

42. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
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loige 23

43. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
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import boto3
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import gzip
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cw_client = boto3.client('cloudwatch')
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event_system = cw_client.meta.events
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# Gzip handler
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def gzip_request_body(request, **kwargs):
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request.headers.add_header('Content-Encoding', 'gzip')
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gzipped_body = gzip.compress(request.body)
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request.data = gzipped_body
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# registers the custom handler
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event_system.register('before-sign.cloudwatch.PutMetricData',
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gzip_request_body)
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cw_client.put_metric_data(...)
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loige 23

44. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
loige 23

45. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
import boto3
1
import gzip
2
3
4
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
loige 23

46. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
import boto3
1
import gzip
2
3
4
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
7
8
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
loige 23

47. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
import boto3
1
import gzip
2
3
4
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
7
8
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
request.headers.add_header('Content-Encoding', 'gzip')
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
loige 23

48. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
import boto3
1
import gzip
2
3
4
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
7
8
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
request.headers.add_header('Content-Encoding', 'gzip')
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
loige 23

49. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
import boto3
1
import gzip
2
3
4
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
7
8
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
request.headers.add_header('Content-Encoding', 'gzip')
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
13
14
15
16
cw_client.put_metric_data(...)
17
loige 23

50. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
import boto3
1
import gzip
2
3
4
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
7
8
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
request.headers.add_header('Content-Encoding', 'gzip')
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
13
14
15
16
cw_client.put_metric_data(...)
17 cw_client.put_metric_data(...)
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
17
loige 23

51. import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
import gzip
import boto3
1
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
import boto3
1
import gzip
2
3
4
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
7
8
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
request.headers.add_header('Content-Encoding', 'gzip')
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
10
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
cw_client.put_metric_data(...)
17
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
13
14
15
16
cw_client.put_metric_data(...)
17 cw_client.put_metric_data(...)
import boto3
1
import gzip
2
3
cw_client = boto3.client('cloudwatch')
4
event_system = cw_client.meta.events
5
6
# Gzip handler
7
def gzip_request_body(request, **kwargs):
8
request.headers.add_header('Content-Encoding', 'gzip')
9
gzipped_body = gzip.compress(request.body)
10
request.data = gzipped_body
11
12
# registers the custom handler
13
event_system.register('before-sign.cloudwatch.PutMetricData',
14
gzip_request_body)
15
16
17
import boto3
import gzip
cw_client = boto3.client('cloudwatch')
event_system = cw_client.meta.events
# Gzip handler
def gzip_request_body(request, **kwargs):
request.headers.add_header('Content-Encoding', 'gzip')
gzipped_body = gzip.compress(request.body)
request.data = gzipped_body
# registers the custom handler
event_system.register('before-sign.cloudwatch.PutMetricData',
gzip_request_body)
cw_client.put_metric_data(...)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
loige 23

52. loige 24

53. loige
Other potential use cases
Log data before/after it is sent to AWS
Add additional headers to AWS requests (tracing)
Additional input validation (your custom rules)
Payload enrichment (e.g. make sure certain tags exist)
25

54. loige
What if you don't use Python?
Customizing the AWS SDK for Go V2 Client Requests
Introducing Middleware Stack in Modular AWS SDK for
JavaScript
Handlers and Middleware in the AWS SDK for PHP Version 3
26

55. loige
What did we learn?
Always have alarms for your lambdas!
(have you checked already? 😉)
You can use Gzip compression to send big payloads to AWS
Boto3 is extensible through its event system!
SLIC Watch
27

56. loige
Do you think boto3 should make it easier to
send gzipped payloads?
👍UPVOTE this issue: github.com/boto/botocore/issues/2425
28

57. loige
Do you want more details?
loige.link/gzip-boto3-article
29

58. Cover picturea by on
Thanks doggie by Stefanie Shank
Moritz Mentges Unsplash
loige
nodejsdp.link
loige.link/gzip-boto3
30