Merge branch 'docker'

roles/docker/defaults/main.yml

@@ -0,0 +1,4 @@
+docker_compose_version: "1.25.4"
+docker_compose_path: /usr/local/bin/docker-compose
+docker_data_root: "/var/lib/docker"
+docker_storage_driver: "overlay2"

roles/docker/tasks/main.yml

@@ -45,16 +45,9 @@
     - python-docker
 
 - name: Set docker configuration
-  copy:
+  template:
+    src: templates/daemon.json.j2
     dest: /etc/docker/daemon.json
-    content: |
-      {
-          "exec-opts": ["native.cgroupdriver=systemd"],
-          "log-driver": "json-file",
-              "log-opts": {
-                  "max-size": "100m"
-              }
-      }
   notify: restart docker
 
 - name: Check current docker-compose version.

roles/docker/templates/daemon.json.j2

@@ -0,0 +1,9 @@
+{
+    "exec-opts": ["native.cgroupdriver=systemd"],
+    "log-driver": "json-file",
+        "log-opts": {
+            "max-size": "100m"
+        },
+    "data-root": "{{ docker_data_root }}",
+    "storage-driver": "{{ docker_storage_driver }}"
+}