Merge "Specify 'become' for all tasks that use kolla_docker module"

ansible/roles/haproxy/tasks/config.yml

ansible/roles/haproxy/tasks/pull.yml

ansible/roles/haproxy/tasks/upgrade.yml

ansible/roles/heat/handlers/main.yml

ansible/roles/heat/tasks/bootstrap_service.yml

ansible/roles/heat/tasks/config.yml

ansible/roles/heat/tasks/pull.yml

ansible/roles/horizon/handlers/main.yml

ansible/roles/horizon/tasks/bootstrap_service.yml

ansible/roles/horizon/tasks/config.yml

ansible/roles/horizon/tasks/pull.yml

ansible/roles/influxdb/handlers/main.yml

ansible/roles/influxdb/tasks/config.yml

ansible/roles/influxdb/tasks/pull.yml

ansible/roles/ironic/handlers/main.yml

ansible/roles/ironic/tasks/bootstrap.yml

ansible/roles/ironic/tasks/bootstrap_service.yml

ansible/roles/ironic/tasks/config.yml

ansible/roles/ironic/tasks/pull.yml

ansible/roles/iscsi/tasks/pull.yml