[travis][ci] launch core and extras if merge successful

[rakefile] fix repo names.

[travis] can we do without the matrix.

[travis] use uri path to create post object.

.travis.yml

@@ -3,6 +3,7 @@ sudo: false
 branches:
   only:
     - master
+    - jaime/triggerci
     - /^\d+\.\d+\.x$/ # release forked patches branch
 
 language: python
@@ -15,9 +16,6 @@ cache:
     - vendor/cache
     - $HOME/embedded
 
-matrix:
-  fast_finish: true
-
 env:
   global:
     - CONCURRENCY=2
@@ -26,11 +24,8 @@ env:
     - PIP_CACHE=$HOME/.cache/pip
     - VOLATILE_DIR=/tmp
     - DD_CASHER_DIR=/tmp/casher
+    - secure: cljGaYMtRkLuW1xjGyF8W0ACrkBwHQTGJUaEoqxtIEJaVjLwcuznny9qzuQvF8YJhjs7g9eRAsZqWGpgRw765rzUB5C4Cp5GpUdTHS/fPINj3AXRzGztL2m6DHBidjEyYaX8dryO4xR0uCULwp4bSI0Rht71VqE90/6z1ehIzBs=
   matrix:
-    - TRAVIS_FLAVOR=default
-    - TRAVIS_FLAVOR=core_integration
-    - TRAVIS_FLAVOR=checks_mock
-    - TRAVIS_FLAVOR=system
 
 # Override travis defaults with empty jobs
 before_install: echo "OVERRIDING TRAVIS STEPS"
@@ -43,9 +38,15 @@ script:
   # Needed if no cache exists
   - mkdir -p $INTEGRATIONS_DIR
   - ls -al $INTEGRATIONS_DIR
-  - 'rake ci:run'
+  - 'rake ci:run[default]'
+  - 'rake ci:run[core_integration]'
+  - 'rake ci:run[checks_mock]'
+  - 'rake ci:run[system]'
   - ls -al $INTEGRATIONS_DIR
 
+after_success:
+  - 'rake ci:trigger[integrations-core]'
+  - 'rake ci:trigger[integrations-extras]'
 
 after_failure:
   - echo "Logs from installation process come here / DEBUG LOGS"

Rakefile

@@ -1,6 +1,8 @@
 #!/usr/bin/env rake
 # encoding: utf-8
 # 3p
+require 'json'
+require 'net/http'
 require 'rake/clean'
 require 'rubocop/rake_task'
 
@@ -87,6 +89,33 @@ namespace :ci do
     flavors = flavor.split(',')
     flavors.each { |f| Rake::Task["ci:#{f}:execute"].invoke }
   end
+
+  desc 'Trigger remote CI'
+  task :trigger, :repo do |_, args|
+    abort 'Task only applies to travis builds.' if !ENV['TRAVIS'] || !ENV['TRAVIS_API_TOKEN']
+    repo = "DataDog%2F#{args[:repo]}"
+    url = "https://api.travis-ci.org/repo/#{repo}/requests"
+    body = { 'request' => { 'branch' => 'master' } }.to_json
+
+    uri = URI(url)
+    res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
+      req = Net::HTTP::Post.new(uri.path)
+      req['Content-Type'] = 'application/json'
+      req['Accept'] = 'application/json'
+      req['Travis-API-Version'] = '3'
+      req['Authorization'] = "token #{ENV['TRAVIS_API_TOKEN']}"
+      # The body needs to be a JSON string, use whatever you know to parse Hash to JSON
+      req.body = body
+      http.request(req)
+    end
+
+    case res
+    when Net::HTTPSuccess then
+      puts "Build Triggered remotely for: #{url}"
+    else
+      puts "Error triggering build (error #{res.code}): #{url}"
+    end
+  end
 end
 
 task default: ['lint', 'ci:run']