Removed hardcoded values from ansible roles

roles/docker-storage-setup/defaults/main.yaml

@@ -0,0 +1,5 @@
+---
+docker_dev: "/dev/sdb"
+docker_vg: "docker-vol"
+docker_data_size: "95%VG"
+docker_dm_basesize: "3G"

roles/docker-storage-setup/files/docker-storage-setup

@@ -1,4 +0,0 @@
-DEVS=/dev/sdb
-VG=docker-vol
-DATA_SIZE=95%VG
-EXTRA_DOCKER_STORAGE_OPTIONS="--storage-opt dm.basesize=3G"

roles/docker-storage-setup/tasks/main.yaml

@@ -1,7 +1,7 @@
 ---
 - name: create the docker-storage-setup config file
-  copy:
-    src: docker-storage-setup
+  template:
+    src: "{{ role_path }}/templates/docker-storage-setup.j2"
     dest: /etc/sysconfig/docker-storage-setup
     owner: root
     group: root

roles/docker-storage-setup/templates/docker-storage-setup.j2

@@ -0,0 +1,4 @@
+DEVS="{{ docker_devs }}"
+VG="{{ docker_vg }}"
+DATA_SIZE="{{ docker_data_size }}"
+EXTRA_DOCKER_STORAGE_OPTIONS="--storage-opt dm.basesize={{ docker_dm_basesize }}"