Quote username and password in migrate command

Otherwise the command fails if the password includes special shell
characters such as '&' or '<'

playbooks/roles/analytics_api/tasks/main.yml

@@ -66,8 +66,8 @@
 - name: migrate
   shell: >
     chdir={{ analytics_api_code_dir }}
-    DB_MIGRATION_USER={{ COMMON_MYSQL_MIGRATE_USER }}
-    DB_MIGRATION_PASS={{ COMMON_MYSQL_MIGRATE_PASS }}
+    DB_MIGRATION_USER='{{ COMMON_MYSQL_MIGRATE_USER }}'
+    DB_MIGRATION_PASS='{{ COMMON_MYSQL_MIGRATE_PASS }}'
     {{ analytics_api_home }}/venvs/{{ analytics_api_service_name }}/bin/python ./manage.py migrate --noinput
   sudo_user: "{{ analytics_api_user }}"
   environment: "{{ analytics_api_environment }}"

playbooks/roles/ecommerce/tasks/main.yml

@@ -54,8 +54,8 @@
 - name: migrate
   shell: >
     chdir={{ ecommerce_code_dir }}
-    DB_MIGRATION_USER={{ COMMON_MYSQL_MIGRATE_USER }}
-    DB_MIGRATION_PASS={{ COMMON_MYSQL_MIGRATE_PASS }}
+    DB_MIGRATION_USER='{{ COMMON_MYSQL_MIGRATE_USER }}'
+    DB_MIGRATION_PASS='{{ COMMON_MYSQL_MIGRATE_PASS }}'
     {{ ecommerce_venv_dir }}/bin/python ./manage.py migrate --noinput
   sudo_user: "{{ ecommerce_user }}"
   environment: "{{ ecommerce_environment }}"

playbooks/roles/edx_notes_api/tasks/main.yml

@@ -55,8 +55,8 @@
 - name: migrate
   shell: >
     chdir={{ edx_notes_api_code_dir }}
-    DB_MIGRATION_USER={{ COMMON_MYSQL_MIGRATE_USER }}
-    DB_MIGRATION_PASS={{ COMMON_MYSQL_MIGRATE_PASS }}
+    DB_MIGRATION_USER='{{ COMMON_MYSQL_MIGRATE_USER }}'
+    DB_MIGRATION_PASS='{{ COMMON_MYSQL_MIGRATE_PASS }}'
     {{ edx_notes_api_home }}/venvs/{{ edx_notes_api_service_name }}/bin/python {{ edx_notes_api_manage }} migrate --noinput --settings="notesserver.settings.yaml_config"
   sudo_user: "{{ edx_notes_api_user }}"
   environment:

playbooks/roles/insights/tasks/main.yml

@@ -71,8 +71,8 @@
 - name: migrate
   shell: >
     chdir={{ insights_code_dir }}
-    DB_MIGRATION_USER={{ COMMON_MYSQL_MIGRATE_USER }}
-    DB_MIGRATION_PASS={{ COMMON_MYSQL_MIGRATE_PASS }}
+    DB_MIGRATION_USER='{{ COMMON_MYSQL_MIGRATE_USER }}'
+    DB_MIGRATION_PASS='{{ COMMON_MYSQL_MIGRATE_PASS }}'
     {{ insights_home }}/venvs/{{ insights_service_name }}/bin/python {{ insights_manage }} migrate --noinput
   sudo_user: "{{ insights_user }}"
   environment: "{{ insights_environment }}"