Integrating Infrastructure as Code into Continuous Delivery
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This document discusses integrating infrastructure as code (IaC) into a continuous delivery pipeline. It outlines considerations and best practices, including: using source control for all infrastructure code; implementing different types of testing (e.g. unit, integration, security); ensuring security and compliance; using patterns like immutable infrastructure and containerization; and focusing on people and processes to enable collaboration between teams.
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Integrating Infrastructure as Code into Continuous Delivery
- 1. Integrating Infrastructure as Code into a Continuous Delivery Pipeline Considerations, Best Practices & Patterns Adarsh Shah & Matt Kuritz Contino - Enterprise DevOps and Cloud Transformation Consultancy @ShahAdarsh & @_kuritz Deck: http://bit.ly/IaC-CD
- 2. Who are we? Adarsh Shah Principal Consultant ShahAdarsh _kuritz Matt Kuritz Senior Consultant
- 3. @ShahAdarsh @_kuritz Infrastructure as Code Infrastructure as Code (IaC) is the approach that takes proven coding techniques used by software systems and extends them to infrastructure.
- 4. @ShahAdarsh @_kuritz Challenges without IaC • Configuration Issues • Repeatability • Human Error • Time to Complete
- 5. @ShahAdarsh @_kuritz Continuous Delivery Continuous Delivery is the ability to get changes of all types—including new features, configuration changes, bug fixes and experiments—into production, or into the hands of users, safely and quickly in a sustainable way. - Jez Humble
- 7. @ShahAdarsh @_kuritz Considerations & best practices when integrating IaC to CD pipeline
- 9. @ShahAdarsh @_kuritz Source Control • Everything in source control • Code accessibility • Modules provide well defined interface • Collaboration!! • Code/test as documentation
- 11. @ShahAdarsh @_kuritz Infra as Code testing Static Analysis terraform validate, TFLint, puppet parser validate Unit bats, chefspec Smoke w/ dummy app Selenium Integration inspec, goss Brittle Cost Maintenance Infra as Code Test Pyramid Duration
- 12. @ShahAdarsh @_kuritz Security Patterns • CIS benchmark automation • Building hardening policies • Static scanning
- 13. @ShahAdarsh @_kuritz Security Considerations • Dynamic scanning • Secrets management • Artifact signing & verification
- 14. @ShahAdarsh @_kuritz Compliance • Finance, Healthcare & other industries • SOX, PII, HIPPA, PCI • Compliance as Code - Code instead of Paperwork • Chef InSpec, HashiCorp Sentinel (Policy as Code)
- 15. @ShahAdarsh @_kuritz Compliance as Code using HashiCorp Sentinel Ensure that modification of critical data can only be performed by authorized sysops with valid MFA
- 16. @ShahAdarsh @_kuritz Patterns for Provisioning • Immutable VMs • Containerized Services • Base Image & App Pull
- 17. @ShahAdarsh @_kuritz Immutable VMs • Infra Module - Multitier App w/ Cache Cluster • Loosely Coupled • App Image consumed by Infrastructure Module
- 18. @ShahAdarsh @_kuritz Immutable VMs Infrastructure Application pull Ephemeral Environment Testing & Validation Ephemeral Environment Ephemeral Environment AMI Publish & Deploy AMI pull SecurityInt. Tests Compliance Continuous Integration Unit TestsStatic Analysis SecurityApp Tests Int. Tests
- 19. @ShahAdarsh @_kuritz Containerized Services • Infra Module - Container Management System • Fully Decoupled from Apps • Apps are deployed with Container Management System specific tools
- 20. @ShahAdarsh @_kuritz Containerized Services Infrastructure Application Publish & Deploy pullScan Sign App Tests ECR Testing & Validation Ephemeral Environment Security Compliance Int. Tests Continuous Integration Unit TestsStatic Analysis
- 21. @ShahAdarsh @_kuritz Base Image & App Pull • Infra Module - App Servers • VMs pull app on deploy, or app update • Anti-Pattern: Allowing Long-Lived VMs
- 22. @ShahAdarsh @_kuritz Base Image & App Pull Infrastructure Application pull pull Publish & Deploy AMI Testing & Validation Ephemeral Environment SecurityInt. Tests Ephemeral Environment Compliance Ephemeral Environment SecurityApp Tests Continuous Integration Unit TestsStatic Analysis
- 23. @ShahAdarsh @_kuritz People & Process • Enables teams to interact • Infra, Security, Compliance, QA etc teams work together • Improvement in processes • Faster feedback
- 25. @ShahAdarsh @_kuritz Building Quality In Infra ComplianceSecurity Production
- 26. @ShahAdarsh @_kuritz Summary • Infrastructure as Code • Continuous Delivery • Considerations & best practices when integrating IaC to CD • Source Control • Testing • Security • Compliance • Patterns for Provisioning • Build and Deploy pipelines • People & Process
- 27. Questions Adarsh Shah & Matt Kuritz Contino - Enterprise DevOps and Cloud Transformation Consultancy @ShahAdarsh & @_kuritz Deck: http://bit.ly/IaC-CD
Editor's Notes
- A
- A & M - Enables enterprises to accelerate innovation through the adoption of DevOps and cloud-native computing
- A
- M
- A [TODO] Time factor, Multiple, under utilized servers Server thats different from all others Config constantly - diff can creep in over time Configuration Issues Repeatability Time to Complete Reproducibility / Human Error
- A Server Sprawl Snowflake Servers Configuration Drift
- Jez Humble and Dave Farley wrote the book on it idea is to get our changes to users quickly, and safely, at a steady pace
- each ‘widget’ represents a commit We have a number of processes that must be run for a piece to be confirmed as finished and working
- A What are the proven coding techniques used by software systems? What are the best practices when using IaC & CD Things to consider & best practices when integrating IaC to CD pipeline
- Doesn’t mean skip TF plan [TODO] This actually is a consideration, but do we want it
- M Provisioning/Config mgmt code, test code, CI/CD job definitions, utility scripts etc. Instead of having out of date documentation using code/test as documentation - Serves as a point for collaboration and knowledge sharing Read, open PR access for all Modules for Infrastructure vs Implementation
- Doesn’t mean skip TF plan [TODO] This actually is a consideration, but do we want it
- A Declarative definitions/scripts etc Declarative approach - Desired state Unit tests as needed. -
- M [TODO] Time consuming, Faster feedback, People/Proces Shift security left
- A
- A
- A 14 mins Explain logos / examples
- M
- M - Mention TFLint/Static runs during CI
- A
- A Failure scenario
- M
- M
- A [TODO] Diagram