template-pipeline

merge.rb

#!/usr/bin/env ruby

require 'erb'
require 'yaml'

inputs = ARGV

template = ERB.new(File.read('pipeline.yml.erb'))

b = binding
inputs.each do |input|
  YAML.load(File.read(input)).map do |key, value|
    b.local_variable_set(key, value)
  end
end

puts template.result(b)

pipeline.yml.erb

---
jobs:
<% releases.map do |release| %>
- name: build-<%= release['name'] %>-release
  plan:
  - aggregate:
    - get: release-git-repo
      resource: <%= release['name'] %>-release-git-repo
      trigger: true
    - get: pipeline-tasks
    - get: final-builds-dir-tarball
      resource: <%= release['name'] %>-final-builds-dir-tarball
    - get: releases-dir-tarball
      resource: <%= release['name'] %>-releases-dir-tarball
  - task: finalize-release
    file: pipeline-tasks/finalize-bosh-release.yml
    params:
      PRIVATE_YML_CONTENT: <%= options['private_yml'] %>
  - aggregate:
    - put: <%= release['name'] %>-release-tarball
      params:
        file: finalized-release/<%= release['name'] %>-*.tgz
    - put: <%= release['name'] %>-final-builds-dir-tarball
      params:
        file: finalized-release/final-builds-dir-<%= release['name'] %>.tgz
    - put: <%= release['name'] %>-releases-dir-tarball
      params:
        file: finalized-release/releases-dir-<%= release['name'] %>.tgz
<% end %>

resources:
- name: pipeline-tasks
  type: git
  source:
    uri: {{pipeline-tasks-git-url}}
    branch: {{pipeline-tasks-git-branch}}

<% releases.map do |release| %>
- name: <%= release['name'] %>-release-git-repo
  type: git
  source:
    uri: <%= release['url'] %>
    branch: <%= release['branch'] %>

- name: <%= release['name'] %>-release-tarball
  type: s3
  source:
    bucket: <%= options['bucket'] %>
    regexp: <%= release['name'] %>-(.*).tgz
    access_key_id: <%= options['secret_access_key'] %>
    secret_access_key: <%= options['secret_access_key'] %>
    region_name: <%= options['region'] %>
    server_side_encryption: AES256

- name: <%= release['name'] %>-final-builds-dir-tarball
  type: s3
  source:
    versioned_file: final-builds-dir-<%= release['name'] %>.tgz
    regexp: <%= release['name'] %>-(.*).tgz
    access_key_id: <%= options['secret_access_key'] %>
    secret_access_key: <%= options['secret_access_key'] %>
    region_name: <%= options['region'] %>
    server_side_encryption: AES256

- name: <%= release['name'] %>-releases-dir-tarball
  type: s3
  source:
    versioned_file: releases-dir-<%= release['name'] %>.tgz
    regexp: <%= release['name'] %>-(.*).tgz
    access_key_id: <%= options['secret_access_key'] %>
    secret_access_key: <%= options['secret_access_key'] %>
    region_name: <%= options['region'] %>
    server_side_encryption: AES256
<% end %>

releases.yml

releases:
- name: secureproxy
  url: https://github.com/18F/cg-secureproxy-boshrelease
  branch: master
- name: riemann
  url: https://github.com/18F/cg-riemann-boshrelease
  branch: master