New Module vmware_host_facts (#26492)

Add new module  vmware_host_facts ,it can get remote vmware host system info like setup module

* modify ansible version
* optimized output for human readable
* add serial number get_system_facts() add ansible_product_serial
* fix pep8 issue and ansible module required format
* Use find_obj method instead get_obj
* add ansible_hostname ansible_distribution_build
* add integration test
* vmware_host_facts integration test add verify
* fix yamllint issue
* fix boilerplate test
* Update vmware_host_facts.py
* fix RETURN key's name

test/integration/targets/vmware_host_facts/aliases

@@ -0,0 +1,3 @@
+posix/ci/cloud/vcenter
+cloud/vcenter
+

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

@@ -0,0 +1,38 @@
+- name: make sure pyvmomi is installed
+  pip:
+    name: pyvmomi
+    state: latest
+
+- name: store the vcenter container ip
+  set_fact:
+    vcsim: "{{ lookup('env', 'vcenter_host') }}"
+- debug: var=vcsim
+
+- name: kill vcsim
+  uri:
+    url: "{{ 'http://' + vcsim + ':5000/killall' }}"
+- name: start vcsim
+  uri:
+    url: "{{ 'http://' + vcsim + ':5000/spawn?cluster=2' }}"
+  register: vcsim_instance
+
+- name: get host facts
+  vmware_host_facts:
+    validate_certs: False
+    hostname: "{{ vcsim }}"
+    username: "{{ vcsim_instance['json']['username'] }}"
+    password: "{{ vcsim_instance['json']['password'] }}"
+  register: facts
+
+- debug: var=facts
+
+- name: get host info
+  uri:
+    url: "{{ 'http://' + vcsim + ':5000/govc_host_info' }}"
+  register: host_info_result
+
+- name: verify some data,like ansible_processor
+  assert:
+    that:
+      - facts['ansible_facts']['ansible_hostname'] in host_info_result['json']
+      - facts['ansible_facts']['ansible_processor'] == host_info_result['json'][facts['ansible_facts']['ansible_hostname']]['Processor type']