Merge pull request #17 from AaltoScienceIT/chroot

Make role work for chroot images

.travis.yml

@@ -25,7 +25,7 @@ install:
   - pip install ansible
   - ansible --version
   - printf '[defaults]\nroles_path=../\ncallback_whitelist=profile_tasks' >ansible.cfg
-  - ansible-galaxy install lae.travis-lxc
+  - ansible-galaxy install lae.travis-lxc,v0.7.3
   - ansible-playbook -vvv tests/install.yml -i tests/inventory
 
 script:

handlers/main.yml

@@ -2,12 +2,14 @@
 # handlers file for ansible-role-cuda
 - name: reload systemd unit files
   shell: systemctl daemon-reload
+  when: ansible_connection != 'chroot'
 
 - name: Initialize the GPUs
   command: /bin/bash /usr/local/bin/cuda_init.sh
   when:
     - cuda_init
     - cuda_init_restart_service
+    - ansible_connection != 'chroot'
 
 - name: Restart cuda_init service
   service:
@@ -26,6 +28,7 @@
   when:
     - cuda_packages_installation.changed
     - cuda_restart_node_on_install
+    - ansible_connection != 'chroot'
 
 # define the variable running_as_ansible_pull in the ansible-pull playbook, like local.yml 
 - name: ZZ CUDA Wait for server to restart
@@ -39,5 +42,6 @@
   when:
     - cuda_restart_node_on_install
     - (running_as_ansible_pull is not defined or running_as_ansible_pull == False)
+    - ansible_connection != 'chroot'
 
 # vim:ft=ansible:

tasks/cuda_init.yml

@@ -23,14 +23,22 @@
   notify:
     - reload systemd unit files
     - Restart cuda_init service
-  when: ansible_service_mgr == "systemd"
+  when: ansible_service_mgr == "systemd" or ansible_connection == 'chroot'
 
 - name: enable the cuda_init systemd service
   service:
     name: cuda_init
     enabled: yes
   when: ansible_service_mgr == "systemd"
 
+# Due to ansible bug 21026, cannot use service module on RHEL 7
+- name: enable the cuda_init systemd service in chroots
+  command: systemctl enable cuda_init
+  when:
+    - ansible_connection == 'chroot'
+    - ansible_os_family == 'RedHat'
+    - ansible_distribution_major_version|int >= 7
+
 - name: check if cuda_gpu_name0 ( /dev/nvidia0 ) exists
   stat:
     path: "{{ cuda_gpu_name0 }}"