Add kayobe CLI command to configure the physical network

Currently this can configure interfaces on DellOS6 switches only but can be
extended to support other makes and models.

ansible/group_vars/switches/dell

+---
+# Switch configuration.
+
+###############################################################################
+# Authentication configuration.
+
+# For DellOS6 switches, this defines a 'provider' argument to the dellos6_*
+# modules.
+switch_dellos6_provider:
+  host: "{{ ansible_host }}"
+  username: "{{ ansible_user }}"
+  password: "{{ ansible_ssh_pass }}"
+  transport: cli
+  authorize: yes
+  auth_pass: "{{ switch_auth_pass }}"

ansible/group_vars/switches/type

+---
+###############################################################################
+# Switch type configuration.
+
+# This configures the type of switch, which is used to determine how the switch
+# will be configured.
+switch_type:

ansible/mgmt-switch-config.yml → ansible/physical-network.yml

 ---
-- name: Ensure the power and management network switches are configured
-  hosts: mgmt-switches
+# Switch configuration depends on the type of switch, so groups hosts by their
+# switch type and apply tasks/roles to the relevant groups.
+
+- name: Group hosts by their switch type
+  hosts: switches
   gather_facts: no
-  vars:
-    provider:
-      host: "{{ ansible_host }}"
-      username: "{{ ansible_user }}"
-      password: "{{ ansible_ssh_pass }}"
-      transport: cli
-      authorize: yes
-      auth_pass: "{{ switch_auth_pass }}"
   tasks:
-    - name: Ensure switch interfaces are configured
+    - name: Group hosts by their switch type
+      group_by:
+        key: "switches_of_type_{{ switch_type }}"
+
+- name: Ensure DellOS6 physical network devices are configured
+  hosts: switches_of_type_dellos6
+  gather_facts: no
+  tasks:
+    - name: Ensure DellOS6 switch interfaces are configured
       local_action:
         module: dellos6_config
-        provider: "{{ provider }}"
+        provider: "{{ switch_dellos6_provider }}"
         lines: >
           {{ ['description ' ~ item.value.description] +
              item.value.config | default([]) }}

kayobe/cli/commands.py

@@ -127,6 +127,23 @@ class KollaAnsibleRun(KollaAnsibleMixin, Command):
                           parsed_args.kolla_inventory_filename)
 
 
+class PhysicalNetworkConfigure(KayobeAnsibleMixin, Command):
+    """Configure a set of physical network devices."""
+
+    def get_parser(self, prog_name):
+        parser = super(PhysicalNetworkConfigure, self).get_parser(
+            prog_name)
+        group = parser.add_argument_group("Physical Networking")
+        group.add_argument("--group", required=True,
+                           help="the Ansible group to apply configuration to")
+        return parser
+
+    def take_action(self, parsed_args):
+        self.app.LOG.debug("Configuring a physical network")
+        ansible.run_playbook(parsed_args, "ansible/physical-network.yml",
+                             limit=parsed_args.group)
+
+
 class SeedVMProvision(KollaAnsibleMixin, KayobeAnsibleMixin, Command):
     """Provision the seed VM."""
 

setup.py

@@ -44,6 +44,7 @@ setup(
             'overcloud_inventory_discover = kayobe.cli.commands:OvercloudInventoryDiscover',
             'overcloud_service_deploy = kayobe.cli.commands:OvercloudServiceDeploy',
             'overcloud_provision = kayobe.cli.commands:OvercloudProvision',
+            'physical_network_configure = kayobe.cli.commands:PhysicalNetworkConfigure',
             'playbook_run = kayobe.cli.commands:PlaybookRun',
             'seed_container_image_build = kayobe.cli.commands:SeedContainerImageBuild',
             'seed_host_configure = kayobe.cli.commands:SeedHostConfigure',