Use local_action instead of delegate_to in switch config tasks

As of ansible 2.3, it is no longer possible to use delegate_to with a host other
than localhost. Use of a jump host can be enabled via setting ProxyCommand in
ansible_ssh_common_args as for other hosts.

ansible/physical-network.yml

@@ -26,7 +26,6 @@
     - role: ssh-known-host
 
     - role: dell-switch
-      dell_switch_delegate_to: localhost
       dell_switch_type: "{{ switch_type }}"
       dell_switch_provider: "{{ switch_dellos_provider }}"
       dell_switch_config: "{{ switch_config }}"
@@ -39,7 +38,6 @@
     - role: ssh-known-host
 
     - role: junos-switch
-      junos_switch_delegate_to: localhost
       junos_switch_type: "{{ switch_type }}"
       junos_switch_provider: "{{ switch_junos_provider }}"
       junos_switch_config_format: "{{ switch_junos_config_format }}"

ansible/roles/dell-switch/defaults/main.yml

@@ -1,7 +1,4 @@
 ---
-# Host on which to execute DellOS Ansible modules.
-dell_switch_delegate_to:
-
 # Type of Dell switch. One of dellos6, dellos9.
 dell_switch_type:
 

ansible/roles/dell-switch/tasks/main.yml

@@ -1,14 +1,14 @@
 ---
 - name: Ensure DellOS6 switches are configured
-  dellos6_config:
+  local_action:
+    module: dellos6_config
     provider: "{{ dell_switch_provider }}"
     src: dellos6-config.j2
-  delegate_to: "{{ dell_switch_delegate_to }}"
   when: "{{ dell_switch_type == 'dellos6' }}"
 
 - name: Ensure DellOS9 switches are configured
-  dellos9_config:
+  local_action:
+    module: dellos9_config
     provider: "{{ dell_switch_provider }}"
     src: dellos9-config.j2
-  delegate_to: "{{ dell_switch_delegate_to }}"
   when: "{{ dell_switch_type == 'dellos9' }}"

ansible/roles/junos-switch/defaults/main.yml

@@ -1,7 +1,4 @@
 ---
-# Host on which to execute Junos Ansible modules.
-junos_switch_delegate_to:
-
 # Authentication provider information.
 junos_switch_provider:
 

ansible/roles/junos-switch/tasks/main.yml

@@ -27,11 +27,11 @@
   become: "{{ lookup('env', 'VIRTUAL_ENV') == None }}"
 
 - name: Ensure Juniper switches are configured
-  junos_config:
+  local_action:
+    module: junos_config
     provider: "{{ junos_switch_provider }}"
     src: "{{ junos_switch_src }}"
     src_format: "{{ junos_switch_config_format }}"
-  delegate_to: "{{ junos_switch_delegate_to }}"
   vars:
     junos_switch_config_format_to_src:
       set: junos-config-set.j2