remove staging conditional on watchdog stuff, add conditionals for ensuring /dev/watchdog exists and that we are on a VM

Signed-off-by: Ricky Elrod <codeblock@fedoraproject.org>

inventory/group_vars/all

@@ -51,7 +51,7 @@ virt_install_command: virt-install -n {{ inventory_hostname }} -r {{ mem_size }}
                   hostname={{ inventory_hostname }} nameserver={{ dns }}
                   ip={{ eth0_ip }}::{{ gw }}:{{ nm }}:{{ inventory_hostname }}:eth0:none'
                  --network bridge=br0,model=virtio
-                 --autostart --noautoconsole
+                 --autostart --noautoconsole --watchdog default
 
 # This is the wildcard certname for our proxies.  It has a different name for
 # the staging group and is used in the proxies.yml playbook.

inventory/group_vars/staging

@@ -12,12 +12,3 @@ collectd_graphite: True
 
 fedmsg_prefix: org.fedoraproject
 fedmsg_env: stg
-
-virt_install_command: virt-install -n {{ inventory_hostname }} -r {{ mem_size }}
-                 --disk bus=virtio,path={{ volgroup }}/{{ inventory_hostname }}
-                 --vcpus={{ num_cpus }}  -l {{ ks_repo }} -x
-                 'ksdevice=eth0 ks={{ ks_url }} console=tty0 console=ttyS0
-                  hostname={{ inventory_hostname }} nameserver={{ dns }}
-                  ip={{ eth0_ip }}::{{ gw }}:{{ nm }}:{{ inventory_hostname }}:eth0:none'
-                 --network bridge=br0,model=virtio
-                 --autostart --noautoconsole --watchdog default

roles/base/tasks/main.yml

@@ -350,6 +350,11 @@
 #
 # Watchdog stuff
 #
+- name: See if there's a watchdog device
+  stat: path=/dev/watchdog
+  when: ansible_virtualization_role == 'guest'
+  register: watchdog_dev
+
 - name: install watchdog
   yum: pkg={{ item }} state=present
   with_items:
@@ -358,7 +363,7 @@
   - packages
   - watchdog
   - base
-  when: ansible_distribution_major_version|int < 22 and env == 'staging'
+  when: ansible_distribution_major_version|int < 22 and ansible_virtualization_role == 'guest' and watchdog_dev.stat.exists
 
 - name: install watchdog
   dnf: pkg={{ item }} state=present
@@ -368,11 +373,11 @@
   - packages
   - watchdog
   - base
-  when: ansible_distribution_major_version|int > 21 and env == 'staging'
+  when: ansible_distribution_major_version|int > 21 and ansible_virtualization_role == 'guest' and watchdog_dev.stat.exists
 
 - name: watchdog device configuration
   copy: src=watchdog.conf dest=/etc/watchdog.conf owner=root group=root mode=644
-  when: env == 'staging'
+  when: ansible_virtualization_role == 'guest' and watchdog_dev.stat.exists
   tags:
   - config
   - watchdog
@@ -381,7 +386,7 @@
 
 - name: Set watchdog to run on boot
   service: name=watchdog enabled=yes
-  when: env == 'staging'
+  when: ansible_virtualization_role == 'guest' and watchdog_dev.stat.exists
   ignore_errors: true
   notify:
   - restart watchdog