Add testsuite for vmware_datacenter (#26133)

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

test/integration/targets/vmware_datacenter/aliases

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+posix/ci/cloud/vcenter
+cloud/vcenter

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

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+# Test code for the vmware_datacenter module.
+# (c) 2017, Abhijeet Kasurde <akasurde@redhat.com>
+
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+#
+- 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 a list of Datacenter from vcsim
+  uri:
+    url: "{{ 'http://' + vcsim + ':5000/govc_find?filter=DC' }}"
+  register: datacenters
+
+- debug: var=vcsim_instance
+- debug: var=datacenters
+
+# Testcase 0001: Add Datacenter
+- name: add datacenter
+  vmware_datacenter:
+    validate_certs: False
+    hostname: "{{ vcsim }}"
+    username: "{{ vcsim_instance['json']['username'] }}"
+    password: "{{ vcsim_instance['json']['password'] }}"
+    datacenter_name: datacenter_0001
+    state: present
+  register: dc_result
+
+- name: get a list of Datacenter from vcsim after adding datacenter
+  uri:
+    url: "{{ 'http://' + vcsim + ':5000/govc_find?filter=DC' }}"
+  register: new_datacenters
+
+- name: ensure datacenter is present
+  assert:
+    that:
+        - "{{ dc_result.changed == true }}"
+        - "{{ '/datacenter_0001' in new_datacenters['json'] }}"
+
+# Testcase 0002: Try to add same datacenter
+- name: add datacenter again to check idempotent behavior
+  vmware_datacenter:
+    validate_certs: False
+    hostname: "{{ vcsim }}"
+    username: "{{ vcsim_instance['json']['username'] }}"
+    password: "{{ vcsim_instance['json']['password'] }}"
+    datacenter_name: datacenter_0001
+    state: present
+  register: dc_result_two
+
+- name: ensure datacenter status is not changed
+  assert:
+    that:
+        - "{{ dc_result_two.changed == false }}"
+
+# FIXME: Uncomment this testcase once vcsim supports datacenter delete method
+# Currently, vcsim does not support datacenter delete option,
+# Once this feature is available we can uncomment following testcase
+
+# Testcase 0002: Delete Datacenter
+#- name: add datacenter
+#  vmware_datacenter:
+#    validate_certs: False
+#    hostname: "{{ vcsim }}"
+#    username: "{{ vcsim_instance['json']['username'] }}"
+#    password: "{{ vcsim_instance['json']['password'] }}"
+#    datacenter_name: datacenter_0001
+#    state: absent
+#  register: dc_result_delete
+
+#- name: get a list of Datacenter from vcsim after adding datacenter
+#  uri:
+#    url: "{{ 'http://' + vcsim + ':5000/govc_find?filter=DC' }}"
+#  register: new_datacenters_delete
+
+#- name: ensure datacenter is absent
+#  assert:
+#    that:
+#        - "{{ dc_result_delete.changed == true }}"
+#        - "{{ '/datacenter_0001' not in new_datacenters_delete['json'] }}