Continuous Delivery - Challenges in a Private Datacenter

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Continuous Delivery Challenges in a Private Datacenter Alex Zbarcea - CD Chief Engineer @SWIFT - Apache Committer (alexz@apache.org, in/azbarcea, @azbarcea)

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ABOUT THIS PRESENTATION Continuous Delivery

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“ organizations which design systems ... are constrained to produce designs which are copies of the communication structures of these organizations - M. Conway

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test dev devops CC git nexus build (CI) Dev Test QA Prod nexus pulp katello env env env env env env env env predictibility automation promotion artifacts CD blueprint . . . . . . . . .

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Successful Practices for Continuous Delivery - by Nathen Harvey - Manual process - Legacy systems and tools - Organizational silos - Infrequent large release - Regulatory burdens - ‘‘ - Automate - Infrastructure as Code - Increase collaboration - CD of infrastructure and apps. - Compliance at velocity

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Business is a System inputs outputs feedback

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Business is a System

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Empower business to make decisions it’s about API

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DEVELOPMENT QUALITY PRODUCTION

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DEVELOPMENT QUALITY PRODUCTION

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DEVELOPMENT QUALITY PRODUCTION LEGACY LEGACY

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DEVELOPMENT QUALITY PRODUCTION .docker .git .docker .git .jar .war .npm .pip .rpm .tar.gz .wiki .html .md .docker .docker .git containerize everything

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rhel tomcat java app Another Distro One package manager - automated patches Reuse Isolated app. One hierarchy security Conf. Mngt.

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Demo

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development ... software development and release processes

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Challenges Development - feature branches - Continuous Integration - Continuous Release - Everybody needs to understand the Pipeline

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distribution ... the process of making a product or service available for use or consumption by a consumer or business user

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Summary Challenges - inventory of INs and OUTs - limited set of artefact types - artefact warehouse management - containerize everything

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Challenges on Versioning and Packaging and Docker Images - Use OS (distro) package manager - Enforce semver - know your upstream versions: docker-v1.11.2-1ubuntu2.1 -v - Jail your apps - Use data containers - Use compositions (docker/rancher) - Define your release trust model - individuals - each commit a release

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beaurocracy … the administrative system governing any large institution

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Generated Versioned Deliverable Shared Searchable { } … Starts and ends with Documentation and Reports

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Beaurocracy Challenges - Release - Promotion - Quality assurance (reports) - Project management - Deployment plan eliminate non-value processes

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operations … the administrative system governing any large institution

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Operations Challenges - FAIL is good. Trust the upgrade button - complexity gets bigger - generates: lack of trust - difficult to investigate - .git/social becomes a core system - focus is on scaling - deployments as a non-event

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Thank you Continuous Delivery meetup apifocal