Fix test.

Signed-off-by: Ben Kochie <superq@gmail.com>

Author: SuperQ

molecule/default/molecule.yml

@@ -9,31 +9,37 @@ platforms:
   - name: bionic
     image: paulfantom/ubuntu-molecule:18.04
     privileged: true
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: xenial
     image: paulfantom/ubuntu-molecule:16.04
     privileged: true
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: stretch
     image: paulfantom/debian-molecule:9
     privileged: true
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: jessie
     image: paulfantom/debian-molecule:8
     privileged: true
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: centos7
     image: paulfantom/centos-molecule:7
     privileged: true
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: fedora
     image: paulfantom/fedora-molecule:27
     privileged: true
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
 provisioner:

molecule/default/playbook.yml

@@ -4,4 +4,5 @@
   roles:
     - ansible-mysqld-exporter
   vars:
+    mysqld_exporter_dsn: "root@(localhost:3306)/"
     mysqld_exporter_web_listen_address: "127.0.0.1:9104"

molecule/default/prepare.yml

@@ -2,15 +2,26 @@
 - name: Prepare
   hosts: all
   tasks:
+  - name: Gather variables for each operating system
+    debug:
+      var: ansible_distribution_release
   - name: Install mysqld server
     package:
       name: "{{ mysql_package }}"
       state: present
   - name: Start mysql server
     systemd:
       name: "{{ mysql_service }}"
+      enabled: true
       state: started
   vars:
-    mysql_package: "{{ 'mariadb' if (ansible_os_family | lower) == 'redhat' else 'mariadb-server' }}"
-    mysql_service: mysqld
-
+    mysql_service_map:
+      CentOS:
+        Core: "mariadb"
+      Debian:
+        stretch: "mysqld"
+      Fedora:
+        Twenty Eight: "mariadb"
+      Ubuntu:
+    mysql_package: "mariadb-server"
+    mysql_service: "{{ mysql_service_map[ansible_distribution][ansible_distribution_release] | default('mysql') }}"