Add ansible role for docker installation

Adding ansible role for installation of docker and its setup

Issue-ID: OOM-1551

Change-Id: I49bca8eab46a2750cd627cbf709bed6744c88df5
Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>

2 files changed, 40 insertions, 0 deletions

diff --git a/ansible/roles/docker/handlers/main.yml b/ansible/roles/docker/handlers/main.yml
new file mode 100644
index 00000000..5df47e8d
--- /dev/null
+++ b/ansible/roles/docker/handlers/main.yml
@@ -0,0 +1,6 @@
+---
+- name: Restart Docker
+  systemd:
+    name: docker
+    state: restarted
+    enabled: yes
diff --git a/ansible/roles/docker/tasks/main.yml b/ansible/roles/docker/tasks/main.yml
new file mode 100644
index 00000000..28c322c3
--- /dev/null
+++ b/ansible/roles/docker/tasks/main.yml
@@ -0,0 +1,34 @@
+---
+- name: Install docker
+  package:
+    name: 'docker-ce'
+    state: present
+  notify:
+    - Restart Docker
+
+- name: Install docker python module
+  package:
+    name: 'python2-docker'
+    state: present
+
+- name: Ensure /etc/docker exists
+  file:
+    path: /etc/docker
+    state: directory
+
+- name: Setup docker dns settings
+  json_add:
+    path: /etc/docker/daemon.json
+    key: dns
+    value: "{{ hostvars[groups.infrastructure[0]].ansible_host }}"
+  notify:
+    - Restart Docker
+
+- name: Force notified handlers to run at this point
+  meta: flush_handlers
+
+- name: Ensure docker is started
+  systemd:
+    name: docker
+    state: started
+    enabled: yes