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1
conf.py
1
conf.py
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@ -35,7 +35,6 @@ revealjs_script_conf = '''
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history: true,
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center: true,
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transition: "slide",
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showNotes: true,
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}
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'''
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revealjs_script_plugins = [
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102
index.rst
102
index.rst
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@ -12,30 +12,39 @@ What does serverless mean?
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.. image:: _static/empty_racks.jpg
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.. Advantages of serverless:
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- No management
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- Faster startup times
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- "Infinite scale"
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- Business logic only
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AWS Compute startup times
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-------------------------
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.. revealjs_fragments::
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* EC2 - minutes
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* Fargate - seconds
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* Lambda - milliseconds (when warm and cozy)
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* https://firecracker-microvm.github.io/
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* EC2 - minutes
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* Fargate - seconds
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* Lambda - milliseconds (when warm and cozy)
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* https://firecracker-microvm.github.io/
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The Lambda lifecycle
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--------------------
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.. code-block:: python
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print('initialized')
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print('initialized')
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def handler(event, context):
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print('executed')
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def handler(event, context):
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print('executed')
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return {
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'message': 'done'
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}
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return {
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'message': 'done'
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}
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.. What is a cold start and the advantages of a warm lambda
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Edifice Corb
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============
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@ -51,31 +60,38 @@ Rapid iteration
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.. image:: _static/say_agile.jpg
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.. Constantly reworking the infrastructure and sometimes even the business logic
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Person detection
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================
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* Tensorflow model
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* Inference on video frames is compute intensive
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* EC2 GPU instances are neither serverless nor cheap
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* GPU instances are neither serverless nor cheap
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.. image:: _static/god_damn_aws_charges.jpg
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:width: 60%
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.. Don't use GPU for inference unless absolutely necessary
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AWS to the rescue
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-----------------
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.. image:: _static/behold_elastic_inference.jpg
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:width: 40%
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:width: 40%
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Still not serverless
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--------------------
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.. image:: _static/elastic_inference.png
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:width: 40%
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:width: 40%
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The AWS SageMaker of six paths
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------------------------------
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* Managed end-to-end ML service
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* Model training, deployment, and monitoring
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* SageMaker studio, an "IDE for ML"
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Managed end-to-end ML service
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.. image:: _static/sagemaker_studio.jpg
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:width: 80%
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Processing pipeline
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===================
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@ -91,24 +107,26 @@ Serverless framework
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--------------------
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.. image:: _static/serverless.jpg
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:width: 30%
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:width: 30%
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True yaml engineering
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.. No manual zip files, less architecture management, but less flexible
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Triggering events
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-----------------
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.. code-block:: yaml
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functions:
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VideoIngress:
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handler: aws_lambda.run_detector.handler
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events:
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- s3:
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bucket: video-bucket
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event: s3:ObjectCreated:*
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rules:
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- suffix: .mkv
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functions:
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VideoIngress:
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handler: aws_lambda.run_detector.handler
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events:
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- s3:
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bucket: video-bucket
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event: s3:ObjectCreated:*
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rules:
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- suffix: .mkv
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Other serverless goodies
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------------------------
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@ -117,6 +135,8 @@ Other serverless goodies
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* Easy additional permissions
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* Lots of functionality for little code
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.. show serverless.yaml
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Other serverless badies
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-----------------------
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@ -124,17 +144,23 @@ Other serverless badies
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* Multiple environments are harder to implement
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* Hardcoding and code duplication
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.. show serverless.yaml
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Messaging pipeline
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==================
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.. image:: _static/messaging_pipeline.png
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:width: 40%
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:width: 40%
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.. Current architecture. Will be more complex when we add alarms. Talk about sync/async lambda calls
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Y tho?
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------
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.. image:: _static/why_few_lambda.jpg
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.. Why microservices. Easier parallel development. Easier testing
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More triggers and destinations
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------------------------------
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@ -142,16 +168,16 @@ More triggers and destinations
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.. code-block:: yaml
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CleaningReportGenerator:
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handler: aws_lambda.request_cleaning.handler
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events:
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- eventBridge:
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pattern:
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detail:
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responsePayload:
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command_type:
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- request_cleaning
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destinations:
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onSuccess: arn:aws:events:::event-bus/default
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handler: aws_lambda.request_cleaning.handler
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events:
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- eventBridge:
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pattern:
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detail:
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responsePayload:
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command_type:
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- request_cleaning
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destinations:
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onSuccess: arn:aws:events:::event-bus/default
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EventBridge - Central point of success
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--------------------------------------
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