The DevOps Code Has No Servers

The Cobbler’s Children Have No Shoes

@edyesed

RealSelf

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Functions are great for DevOps

● Integration Gymnastics

● Dependency Hell

● Cron, ugh

@edyesedThe DevOps Code Has No Servers

Richard Dean Anderson

Speaking of Cron

● */5 cron that runs for 3m

● t2.micro is $8.76/mo

● 128M/RAM Lambda is $3.24/mo

@edyesedThe DevOps Code Has No Servers

Pamela Anderson

What is Good about Functions

● Event Driven / No Idle Sunk Cost

● Integration Points

● No Dependency Hell

● Deeply Coupled to the Platform

@edyesedThe DevOps Code Has No Servers

Gillian Anderson

What is Yet-To-Be-Improved about Functions

● Cold Start is Cold

● Integration Geniuses Needed

● You Want Dependency Hell*

● Application Performance Mgmt

@edyesedThe DevOps Code Has No Servers

Michael J Anderson

5 Use Cases for Functions

● Canonical Name Redirector

● Email-to-Chat Gateway

● MySQL SlowQueryLog Getter

● CloudTrail Elastic Gateway

● Markov Twitterbots

@edyesedThe DevOps Code Has No Servers

Anderson Cooper

Canonical Name Redirector

● Trigger: API Gateway

● Runtime: python

● IAM Profile: Minimal

● Other Resources: CloudFront

● github.com/RealSelf/serverless-canonical-name-redirector

@edyesedThe DevOps Code Has No Servers

Email To Slack Gateway

● Trigger: SNS via SES

● Runtime: python

● IAM Profile: Minimal

● Other Resources: None

● github.com/RealSelf/serverless-email-to-slack

@edyesedThe DevOps Code Has No Servers

MySQL SlowQueryLog Elastic● Trigger: Schedules

● Runtime: python

● IAM Profile: CloudWatch

● Other Resources: None

● github.com/RealSelf/severless-rds-slowquery-to-elastic

@edyesedThe DevOps Code Has No Servers

CloudTrail to Elastic

● Trigger: CloudTrail ( S3 )

● Runtime: python

● IAM Profile: Minimal

● Other Resources: AWS ES

● github.com/edyesed/cloudtrail-to-elasticsearch-lambda

@edyesedThe DevOps Code Has No Servers

Markov Twitterbot

● Trigger: Scheduled

● Runtime: python

● IAM Profile: Minimal

● Other Resources: AWS ES

● github.com/edyesed/bobdylan_ebooks

@edyesedThe DevOps Code Has No Servers

serverless summary

● Let the CLOUD do the work

● No more idleness sunk cost

● KISS

● Manage Your CloudFormation

@edyesedThe DevOps Code Has No Servers

Michael P Anderson

LINKS

● github.com/RealSelf/serverless-canonical-name-redirector

● github.com/RealSelf/serverless-email-to-slack

● github.com/RealSelf/severless-rds-slowquery-to-elastic

● github.com/edyesed/cloudtrail-to-elasticsearch-lambda

● github.com/edyesed/bobdylan_ebooks@edyesedThe DevOps Code Has No Servers