Cloud Native Builds

Cloud Native Builds

Where are we today?

Build instructions require tools

javac HelloWorld.java
jar cf HelloWorld.jar HelloWorld.jar

Builds are usually more complex

Tools are installed on build agents

Build agents become critical infrastructure components

Automated installation only addresses symptom

Cloud Native Builds

The future

steps:

  - image: alpine/git
    commands:
      - git clone <somerepo>

  - image: openjdk:8-jdk
    commands:
      - javac HelloWorld.java
      - jar cf HelloWorld.jar HelloWorld.jar

• Pipeline as code
• Easier to track in git
• Easier to read than script

Cloud Native Builds

Existing solutions

• GitLab CI (docker executor)
• Drone CI
• Concourse CI
• Jenkins (Jenkinsfile DSL)

(List is not exhaustive)

Cloud Native Builds

Enter insulatr

• Independent of build server
• No server component
• Called as only step of automated build
• https://github.com/nicholasdille/insulatr

Features

• Clone multiple repositories
• State passed between steps in Docker volume
• Start services running during the build
• Inject files before build
• Extract files after build

–

Demo: Cloud Native Builds

https://github.com/nicholasdille/insulatr

Use insulatr >=1.0.1

Enable privileged service:

insulatr --file insulatr.yaml --allow-privileged