Force restarts for systemd services

install-ansible-prereqs.sh

@@ -5,6 +5,6 @@
 #
 
 if [ ! -f ~/.ansible-prereqs-installed ]; then
-   apt-get install -y python
+   apt-get install -y python sudo
    [ "$?" -eq 0 ] && touch ~/.ansible-prereqs-installed
 fi

play.yml

@@ -38,8 +38,7 @@
 
   tasks:
 
-  - debug: var=play_hosts
-
+  #- debug: var=play_hosts
   #- debug: var=network
   #- debug: var=hostname
 
@@ -64,11 +63,12 @@
   tasks:
 
   - name: Reboot for group membership to be re-evaluated
-    shell: reboot
+    shell: sleep 2 && reboot
     sudo: yes
     async: 30
     poll: 0
     ignore_errors: true
+    tags: ['reboot']
 
   - name: Wait for play hosts to be up again
     wait_for:
@@ -79,9 +79,11 @@
       timeout: 40
     with_items: '{{play_hosts}}' 
     connection: local
+    tags: ['reboot']
 
   - name:
     shell: uptime
+    tags: ['reboot']
 
 #
 # 3. Initialize manager as a swarm manager node

roles/docker-engine/tasks/configure-docker.yml

@@ -16,8 +16,6 @@
      dest: /etc/systemd/system/docker.socket.d/10-socket.conf
      mode: 0600
    when: listen_address is defined 
-   notify:
-   - 'restart-docker'
    sudo: yes
    sudo_user: root
 

roles/docker-engine/tasks/install-docker.yml

@@ -27,11 +27,6 @@
     apt: pkg=docker-ce state=latest
     sudo: yes
     sudo_user: root
-
-  - name: Run a hello-world Docker container
-    shell: docker run --rm hello-world 
-    sudo: yes
-    sudo_user: root
 
   - name: Download docker-compose binary
     get_url:

roles/docker-engine/tasks/main.yml

@@ -8,6 +8,19 @@
  - include: install-docker.yml
 
  - include: configure-docker.yml
+
+ - name: Restart docker sockets
+   systemd:
+     name: docker.socket
+     daemon_reload: yes
+     state: restarted
+   sudo: yes
+   sudo_user: root
+
+ - name: Run a hello-world Docker container
+   shell: docker run --rm hello-world 
+   sudo: yes
+   sudo_user: root
 
  - name: Add user to docker group
    user:
@@ -23,4 +36,3 @@
      path: ~/bin 
      state: directory
 
-