Improve vmware_vmkernel module (#47270)

* update description and examples
* show updated settings
* add check mode support
* Remove unused option `vlan_id`
* add vDS support
* add TCP/IP stack support

test/integration/targets/vmware_vmkernel/aliases

@@ -0,0 +1,2 @@
+cloud/vcenter
+unsupported

test/integration/targets/vmware_vmkernel/tasks/main.yml

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+# Test code for the vmware_vmkernel module.
+# Copyright: (c) 2018, Christian Kotte <christian.kotte@gmx.de>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+# TODO: vcsim does not support HostVirtualNicManager-related operations
+
+- name: store the vcenter container ip
+  set_fact:
+    vcsim: "{{ lookup('env', 'vcenter_host') }}"
+
+- debug: var=vcsim
+
+- name: Wait for Flask controller to come up online
+  wait_for:
+    host: "{{ vcsim }}"
+    port: 5000
+    state: started
+
+- name: kill vcsim
+  uri:
+    url: http://{{ vcsim }}:5000/killall
+
+- name: start vcsim
+  uri:
+    url: http://{{ vcsim }}:5000/spawn?cluster=2
+  register: vcsim_instance
+
+- debug:
+    var: vcsim_instance
+
+- name: Wait for vcsim server to come up online
+  wait_for:
+    host: "{{ vcsim }}"
+    port: 443
+    state: started
+
+- name: get a list of hosts from vcsim
+  uri:
+    url: http://{{ vcsim }}:5000/govc_find?filter=H
+  register: hosts
+
+- name: get a host
+  set_fact:
+    host1: "{{ hosts.json[0] | basename }}"
+
+- debug: var=host1
+
+- name: Create VMkernel adapter
+  vmware_vmkernel:
+    hostname: "{{ vcsim }}"
+    username: "{{ user }}"
+    password: "{{ passwd }}"
+    esxi_hostname: "{{ host1 }}"
+    vswitch: vSwitch1
+    portgroup: vMotion
+    mtu: 1500
+    enable_vmotion: True
+    state: present
+    validate_certs: no
+  register: host_vmkernel
+
+- debug: var=host_vmkernel
+
+- name: Create VMkernel adapter in check mode
+  vmware_vmkernel:
+    hostname: "{{ vcsim }}"
+    username: "{{ user }}"
+    password: "{{ passwd }}"
+    esxi_hostname: "{{ host1 }}"
+    vswitch: vSwitch1
+    portgroup: vMotion
+    mtu: 1500
+    enable_vmotion: True
+    state: present
+    validate_certs: no
+  register: host_vmkernel
+  check_mode: yes
+
+- debug: var=host_vmkernel
+
+- name: Delete VMkernel adapter
+  vmware_vmkernel:
+    hostname: "{{ vcsim }}"
+    username: "{{ user }}"
+    password: "{{ passwd }}"
+    esxi_hostname: "{{ host1 }}"
+    vswitch: vSwitch1
+    portgroup: vMotion
+    state: absent
+    validate_certs: no
+  register: host_vmkernel
+
+- debug: var=host_vmkernel
+
+- name: Create VMkernel adapter with vMotion TCP/IP stack
+  vmware_vmkernel:
+    hostname: "{{ vcsim }}"
+    username: "{{ user }}"
+    password: "{{ passwd }}"
+    esxi_hostname: "{{ host1 }}"
+    vswitch: vSwitch1
+    portgroup: vMotion
+    mtu: 9000
+    network:
+      type: static
+      ip_address: 192.168.100.100
+      subnet_mask: 255.255.255.0
+      tcpip_stack: vmotion
+    state: present
+    validate_certs: no
+  register: host_vmkernel
+
+- debug: var=host_vmkernel
+
+- name: Delete VMkernel adapter
+  vmware_vmkernel:
+    hostname: "{{ vcsim }}"
+    username: "{{ user }}"
+    password: "{{ passwd }}"
+    esxi_hostname: "{{ host1 }}"
+    vswitch: vSwitch1
+    portgroup: vMotion
+    state: absent
+    validate_certs: no
+  register: host_vmkernel
+
+- debug: var=host_vmkernel
+
+- name: Create VMkernel adapter with DHCP
+  vmware_vmkernel:
+    hostname: "{{ vcsim }}"
+    username: "{{ user }}"
+    password: "{{ passwd }}"
+    esxi_hostname: "{{ host1 }}"
+    vswitch: vSwitch1
+    portgroup: vMotion
+    mtu: 9000
+    network:
+      type: dhcp
+    state: present
+    validate_certs: no
+  register: host_vmkernel
+
+- debug: var=host_vmkernel