ovirt: default save true in setup host networks (#49983)

* ovirt: default save true in setup host networks

Default value for save updated network configuration
during setup host networks is set to true.

* ovirt: default save true in setup host networks

Default value for save updated network configuration
during setup host networks is set to true.

* ovirt: default save true in setup host networks

Default value for save updated network configuration
during setup host networks is set to true.

* Update ovirt_host_network.py

* ovirt: default save true in setup host networks

Default value for save updated network configuration
during setup host networks is set to true.

* ovirt: default save true in setup host networks

Default value for save updated network configuration
during setup host networks is set to true.

lib/ansible/modules/cloud/ovirt/ovirt_host_network.py

@@ -74,8 +74,9 @@ options:
         type: bool
     save:
         description:
-            - "If I(true) network configuration will be persistent, by default they are temporarily."
+            - "If I(true) network configuration will be persistent, otherwise it is temporary. Default I(true) since Ansible 2.8."
         type: bool
+        default: True
     sync_networks:
         description:
             - "If I(true) all networks will be synchronized before modification"
@@ -89,6 +90,8 @@ EXAMPLES = '''
 # Examples don't contain auth parameter for simplicity,
 # look at ovirt_auth module to see how to reuse authentication:
 
+# In all examples the durability of the configuration created is dependent on the 'save' option value:
+
 # Create bond on eth0 and eth1 interface, and put 'myvlan' network on top of it and persist the new configuration:
 - name: Bonds
   ovirt_host_network:
@@ -108,7 +111,7 @@ EXAMPLES = '''
         gateway: 1.2.3.4
         version: v4
 
-# Create bond on eth1 and eth2 interface, specifiyng both mode and miimon temporarily:
+# Create bond on eth1 and eth2 interface, specifiyng both mode and miimon:
 - name: Bonds
   ovirt_host_network:
     name: myhost
@@ -121,14 +124,14 @@ EXAMPLES = '''
         - eth1
         - eth2
 
-# Remove bond0 bond from host interfaces temporarily:
+# Remove bond0 bond from host interfaces:
 - ovirt_host_network:
     state: absent
     name: myhost
     bond:
       name: bond0
 
-# Assign myvlan1 and myvlan2 vlans to host eth0 interface temporarily:
+# Assign myvlan1 and myvlan2 vlans to host eth0 interface:
 - ovirt_host_network:
     name: myhost
     interface: eth0
@@ -136,7 +139,7 @@ EXAMPLES = '''
       - name: myvlan1
       - name: myvlan2
 
-# Remove myvlan2 vlan from host eth0 interface temporarily:
+# Remove myvlan2 vlan from host eth0 interface:
 - ovirt_host_network:
     state: absent
     name: myhost
@@ -144,7 +147,7 @@ EXAMPLES = '''
     networks:
       - name: myvlan2
 
-# Remove all networks/vlans from host eth0 interface temporarily:
+# Remove all networks/vlans from host eth0 interface:
 - ovirt_host_network:
     state: absent
     name: myhost
@@ -348,7 +351,7 @@ def main():
         networks=dict(default=None, type='list'),
         labels=dict(default=None, type='list'),
         check=dict(default=None, type='bool'),
-        save=dict(default=None, type='bool'),
+        save=dict(default=True, type='bool'),
         sync_networks=dict(default=False, type='bool'),
     )
     module = AnsibleModule(argument_spec=argument_spec)