Merge pull request #3470 from edx/jibsheet/change-mysql-ppa

Switch back to ondrej's mysql PPA

docker/build/mysql/Dockerfile

+FROM edxops/xenial-common:latest
+MAINTAINER edxops
+
+ADD . /edx/app/edx_ansible/edx_ansible
+COPY docker/build/mysql/ansible_overrides.yml /
+WORKDIR /edx/app/edx_ansible/edx_ansible/docker/plays
+RUN /edx/app/edx_ansible/venvs/edx_ansible/bin/ansible-playbook -vvvv mysql.yml \
+    -i '127.0.0.1,' -c local \
+    -e@/ansible_overrides.yml
+WORKDIR /edx/app

docker/build/mysql/ansible_overrides.yml

+---
+FLOCK_TLD: "edx"
+

docker/plays/mysql.yml

+- name: Deploy MySQL 5.6
+  hosts: all
+  sudo: True
+  gather_facts: True
+  roles:
+    - common_vars
+    - docker
+    - mysql

playbooks/roles/mysql/tasks/mysql.yml

@@ -39,9 +39,13 @@
     keyserver: "{{ COMMON_EDX_PPA_KEY_SERVER }}"
     state: present
 
-- name: Install MySQL community apt repositories
+# repo.mysql.com does not have 5.6 packages for xenial
+# This broke back in 2015-12 but the packages for precise are back for 5.6
+# If this goes away again, we should just install from ppa.edx.org until we
+# can run on 5.7
+- name: Install MySQL from ondrej PPA
   apt_repository:
-    repo: "deb http://repo.mysql.com/apt/ubuntu/ precise mysql-5.6"
+    repo: "ppa:ondrej/mysql-5.6"
     update_cache: yes
 
 - name: Install mysql-5.6 and dependencies

util/parsefiles_config.yml

@@ -22,3 +22,4 @@ weights:
   - rabbitmq: 2
   - automated: 1
   - programs: 4
+  - mysql: 2