Koncourse

Koncourse is a Kotlin based tool for creating Concourse CI pipelines.

Because we love Concourse but we hate YAML.

Configuration As Code is great and YAML is human-friendly, until it isn’t.

This is a proof of concept to compare how a fully programmatic approach compares to a DSL one.

SDK

hello-world.kt

import com.albertoimpl.koncourse.sdk.*

fun main(args: Array<String>) {
    val result = Pipeline(
            listOf(
                    Job("hello-world",
                            listOf(
                                    Plan("say-hello",
                                            Config("linux",
                                                    ImageResource("docker-image", Repository("alpine")),
                                                    Run("echo", listOf("Hello, world!"))
                                            )
                                    )
                            )
                    )
            )
    )

    generate("hello-world.yml", result)
}

will output:

hello-world.yml

jobs:
- name: "hello-world"
  plan:
  - task: "say-hello"
    config:
      platform: "linux"
      image_resource:
        type: "docker-image"
        source:
          repository: "alpine"
      run:
        path: "echo"
        args:
        - "Hello, world!"

DSL