Merge pull request #2846 from edx/benp/custom-firefox

Custom firefox install for jenkins-worker.

playbooks/roles/jenkins_worker/defaults/main.yml

@@ -16,6 +16,10 @@ jenkins_debian_pkgs:
 # packer direct download URL
 packer_url: "https://releases.hashicorp.com/packer/0.8.6/packer_0.8.6_linux_amd64.zip"
 
+# custom firefox
+custom_firefox_version: 42.0
+custom_firefox_url: "https://ftp.mozilla.org/pub/firefox/releases/{{ custom_firefox_version }}/linux-x86_64/en-US/firefox-{{ custom_firefox_version }}.tar.bz2"
+
 # Pip-accel itself and other workarounds that need to be installed with pip
 pip_accel_reqs:
   # Install Shapely with pip as it does not install cleanly

playbooks/roles/jenkins_worker/tasks/python_platform_worker.yml

@@ -74,7 +74,23 @@
     chdir={{ jenkins_home }}
   sudo_user: "{{ jenkins_user }}"
 
-# Remove the shallow-clone directory now that we archive
+# Remove the shallow-clone directory now that we are
 # done with it
 - name: Remove shallow-clone
   file: path={{ jenkins_home }}/shallow-clone state=absent
+
+# Although firefox is installed through the browsers role, install
+# a newer copy under the jenkins home directory. This will allow
+# platform pull requests to use a custom firefox path to a different
+# version
+- name: Install custom firefox to jenkins home
+  get_url:
+    url: "{{ custom_firefox_url }}"
+    dest: "{{ jenkins_home }}/firefox-{{ custom_firefox_version }}.tar.bz2"
+
+- name: unpack custom firefox version
+  unarchive:
+    src: "{{ jenkins_home }}/firefox-{{ custom_firefox_version }}.tar.bz2"
+    dest: "{{ jenkins_home }}"
+    creates: "{{ jenkins_home }}/firefox"
+    copy: no