From ecdab9f96f5ab94292b52010618847e88e8573fd Mon Sep 17 00:00:00 2001
From: Achilleas Pipinellis <axil@gitlab.com>
Date: Thu, 7 Sep 2017 15:43:20 +0000
Subject: Add script and job to trigger a docs build

---
 scripts/trigger-build         | 27 ---------------
 scripts/trigger-build-docs    | 80 +++++++++++++++++++++++++++++++++++++++++++
 scripts/trigger-build-omnibus | 27 +++++++++++++++
 3 files changed, 107 insertions(+), 27 deletions(-)
 delete mode 100755 scripts/trigger-build
 create mode 100755 scripts/trigger-build-docs
 create mode 100755 scripts/trigger-build-omnibus

(limited to 'scripts')

diff --git a/scripts/trigger-build b/scripts/trigger-build
deleted file mode 100755
index dcda70d7ed8..00000000000
--- a/scripts/trigger-build
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/usr/bin/env ruby
-
-require 'net/http'
-require 'json'
-
-uri = URI('https://gitlab.com/api/v4/projects/20699/trigger/pipeline')
-params = {
-  "ref" => ENV["OMNIBUS_BRANCH"] || "master",
-  "token" => ENV["BUILD_TRIGGER_TOKEN"],
-  "variables[GITLAB_VERSION]" => ENV["CI_COMMIT_SHA"],
-  "variables[ALTERNATIVE_SOURCES]" => true,
-  "variables[ee]" => ENV["EE_PACKAGE"] || "false"
-}
-
-Dir.glob("*_VERSION").each do |version_file|
-  params["variables[#{version_file}]"] = File.read(version_file).strip
-end
-
-res = Net::HTTP.post_form(uri, params)
-pipeline_id = JSON.parse(res.body)['id']
-
-unless pipeline_id.nil?
-  puts "Triggered pipeline can be found at https://gitlab.com/gitlab-org/omnibus-gitlab/pipelines/#{pipeline_id}"
-else
-  puts "Trigger failed. The response from trigger is: "
-  puts res.body
-end
diff --git a/scripts/trigger-build-docs b/scripts/trigger-build-docs
new file mode 100755
index 00000000000..e58edf189cf
--- /dev/null
+++ b/scripts/trigger-build-docs
@@ -0,0 +1,80 @@
+#!/usr/bin/env ruby
+
+require 'gitlab'
+
+#
+# Give the remote branch a different name than the current one
+# in order to avoid conflicts
+#
+@docs_branch = "#{ENV["CI_COMMIT_REF_SLUG"]}-built-from-ce-ee"
+GITLAB_DOCS_REPO = 'gitlab-com/gitlab-docs'
+
+#
+# Configure credentials to be used with gitlab gem
+#
+Gitlab.configure do |config|
+  config.endpoint       = 'https://gitlab.com/api/v4'
+  config.private_token  = ENV["DOCS_API_TOKEN"]  # GitLab Docs bot access token which has only Developer access to gitlab-docs
+end
+
+#
+# Dummy way to find out in which repo we are, CE or EE
+#
+def is_ee?
+  File.exists?('CHANGELOG-EE.md')
+end
+
+#
+# Create a remote branch in gitlab-docs
+#
+def create_remote_branch
+  Gitlab.create_branch(GITLAB_DOCS_REPO, @docs_branch, 'master')
+  puts "Remote branch '#{@docs_branch}' created"
+rescue Gitlab::Error::BadRequest => e
+  puts "Remote branch '#{@docs_branch}' already exists"
+end
+
+#
+# Remove a remote branch in gitlab-docs
+#
+def remove_remote_branch
+  Gitlab.delete_branch(GITLAB_DOCS_REPO, @docs_branch)
+  puts "Remote branch '#{@docs_branch}' deleted"
+end
+
+#
+# Trigger a pipeline in gitlab-docs
+#
+def trigger_pipeline
+  # Overriding vars in https://gitlab.com/gitlab-com/gitlab-docs/blob/master/.gitlab-ci.yml
+  param_name = is_ee? ? 'BRANCH_EE' : 'BRANCH_CE'
+
+  # The review app URL
+  app_url = "http://#{@docs_branch}.#{ENV["DOCS_REVIEW_APPS_DOMAIN"]}/#{is_ee? ? 'ee' : 'ce'}"
+
+  # Create the pipeline
+  puts "=> Triggering a pipeline..."
+  pipeline = Gitlab.run_trigger(GITLAB_DOCS_REPO, ENV["DOCS_TRIGGER_TOKEN"], @docs_branch, { param_name => ENV["CI_COMMIT_REF_NAME"] })
+
+  puts "=> Pipeline created:"
+  puts ""
+  puts "https://gitlab.com/gitlab-com/gitlab-docs/pipelines/#{pipeline.id}"
+  puts ""
+  puts "=> Preview your changes live at:"
+  puts ""
+  puts app_url
+  puts ""
+end
+
+#
+# When the first argument is deploy then create the branch and trigger pipeline
+# When it is 'stop', it deleted the remote branch. That way, we ensure there
+# are no stale remote branches and the Review server doesn't fill.
+#
+case ARGV[0]
+when 'deploy'
+  create_remote_branch
+  trigger_pipeline
+when 'cleanup'
+  remove_remote_branch
+end
diff --git a/scripts/trigger-build-omnibus b/scripts/trigger-build-omnibus
new file mode 100755
index 00000000000..dcda70d7ed8
--- /dev/null
+++ b/scripts/trigger-build-omnibus
@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+
+require 'net/http'
+require 'json'
+
+uri = URI('https://gitlab.com/api/v4/projects/20699/trigger/pipeline')
+params = {
+  "ref" => ENV["OMNIBUS_BRANCH"] || "master",
+  "token" => ENV["BUILD_TRIGGER_TOKEN"],
+  "variables[GITLAB_VERSION]" => ENV["CI_COMMIT_SHA"],
+  "variables[ALTERNATIVE_SOURCES]" => true,
+  "variables[ee]" => ENV["EE_PACKAGE"] || "false"
+}
+
+Dir.glob("*_VERSION").each do |version_file|
+  params["variables[#{version_file}]"] = File.read(version_file).strip
+end
+
+res = Net::HTTP.post_form(uri, params)
+pipeline_id = JSON.parse(res.body)['id']
+
+unless pipeline_id.nil?
+  puts "Triggered pipeline can be found at https://gitlab.com/gitlab-org/omnibus-gitlab/pipelines/#{pipeline_id}"
+else
+  puts "Trigger failed. The response from trigger is: "
+  puts res.body
+end
-- 
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