Merge pull request #19374 from code-dot-org/start-circle-build

bin/cron/trigger_circle_build

@@ -0,0 +1,62 @@
+#!/usr/bin/env ruby
+
+require 'net/http'
+require_relative '../../deployment'
+require 'cdo/chat_client'
+require 'cdo/only_one'
+
+# Base URL for the CircleCI REST API
+CIRCLE_API_BASE = 'https://circleci.com/api/v1.1'.freeze
+
+def circle_uri(path)
+  URI("#{CIRCLE_API_BASE}/#{path}?circle-token=#{CDO.start_circle_builds_token}")
+end
+
+def call_api(url, method = 'GET')
+  uri = circle_uri(url)
+
+  case method.upcase
+    when 'GET'
+      req = Net::HTTP::Get.new(uri)
+    when 'PUT'
+      req = Net::HTTP::Put.new(uri)
+    when 'POST'
+      req = Net::HTTP::Post.new(uri)
+    else
+      raise "Unknown method #{method}"
+  end
+
+  req['Content-Type'] = 'application/json'
+
+  http = Net::HTTP.new(uri.hostname, uri.port)
+  http.use_ssl = true
+
+  response = http.start {http.request(req)}
+
+  if response.code == "200"
+    JSON.parse(response.body)
+  else
+    raise "HTTP Error #{response.code}: #{response.message} #{response.body}"
+  end
+end
+
+# Run a circle build of the latest commit on the current branch
+# Only useful when we have a non-default branch that we want to run regular
+# builds against (like staging-next).
+def main
+  return unless CDO.start_circle_builds_token && CDO.start_circle_builds_branch
+  branchname = CDO.start_circle_builds_branch
+
+  last_build = call_api("project/github/code-dot-org/code-dot-org/tree/#{branchname}")[0]
+  return unless last_build['lifecycle'] == 'not_run'
+
+  call_api("project/github/code-dot-org/code-dot-org/tree/#{branchname}", 'POST')
+rescue Exception => e
+  ChatClient.message(
+    'infra-staging-next',
+    "Failed to start a Circle build: #{e.message}",
+    color: 'yellow'
+  )
+end
+
+main if only_one_running?(__FILE__)

cookbooks/cdo-apps/templates/default/crontab.erb

@@ -67,6 +67,7 @@
 
     if node.chef_environment == 'test' && node.name == 'staging-next'
       cronjob at:'*/1 * * * *', do:deploy_dir('bin', 'cron', 'update_dtsn')
+      cronjob at:'*/5 * * * *', do:deploy_dir('bin', 'cron', 'trigger_circle_build')
     end
 
     if node.chef_environment == 'test' && node.name == 'test' # 'real' test only