proxmox: support param timezone when creating container (#6510)

* proxmox: support param `timezone` when creating container

* add changelog fragments for #6510

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>

* Improved param description

* Use major.minor version comparison for options

---------

Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Sergei Antipov <s.antipov@mulesoft.com>

changelogs/fragments/6510-proxmox-create-support_timezone.yaml

@@ -0,0 +1,3 @@
+minor_changes:
+  - proxmox - support ``timezone`` parameter at container creation
+    (https://github.com/ansible-collections/community.general/pull/6510).

plugins/modules/proxmox.py

@@ -168,6 +168,12 @@ options:
       - Script that will be executed during various steps in the containers lifetime.
     type: str
     version_added: '0.2.0'
+  timezone:
+    description:
+      - Timezone used by the container, accepts values like C(Europe/Paris).
+      - The special value C(host) configures the same timezone used by Proxmox host.
+    type: str
+    version_added: '7.1.0'
   proxmox_default_behavior:
     description:
       - As of community.general 4.0.0, various options no longer have default values.
@@ -314,6 +320,18 @@ EXAMPLES = r'''
     ostemplate: local:vztmpl/ubuntu-14.04-x86_64.tar.gz'
     cores: 2
 
+- name: Create new container with minimal options and same timezone as proxmox host
+  community.general.proxmox:
+    vmid: 100
+    node: uk-mc02
+    api_user: root@pam
+    api_password: 1q2w3e
+    api_host: node1
+    password: 123456
+    hostname: example.org
+    ostemplate: 'local:vztmpl/ubuntu-14.04-x86_64.tar.gz'
+    timezone: host
+
 - name: Create a new container with nesting enabled and allows the use of CIFS/NFS inside the container.
   community.general.proxmox:
     vmid: 100
@@ -432,21 +450,21 @@ class ProxmoxLxcAnsible(ProxmoxAnsible):
 
         # Version limited features
         minimum_version = {
-            'tags': 7,
+            'tags': '6.1',
+            'timezone': '6.3'
         }
         proxmox_node = self.proxmox_api.nodes(node)
 
         # Remove all empty kwarg entries
         kwargs = dict((k, v) for k, v in kwargs.items() if v is not None)
 
-        version = self.version()
+        pve_version = self.version()
-        pve_major_version = 3 if version < LooseVersion('4.0') else version.version[0]
 
         # Fail on unsupported features
         for option, version in minimum_version.items():
-            if pve_major_version < version and option in kwargs:
+            if pve_version < LooseVersion(version) and option in kwargs:
-                self.module.fail_json(changed=False, msg="Feature {option} is only supported in PVE {version}+, and you're using PVE {pve_major_version}".
+                self.module.fail_json(changed=False, msg="Feature {option} is only supported in PVE {version}+, and you're using PVE {pve_version}".
-                                      format(option=option, version=version, pve_major_version=pve_major_version))
+                                      format(option=option, version=version, pve_version=pve_version))
 
         if VZ_TYPE == 'lxc':
             kwargs['cpulimit'] = cpus
@@ -602,6 +620,7 @@ def main():
         unprivileged=dict(type='bool', default=True),
         description=dict(type='str'),
         hookscript=dict(type='str'),
+        timezone=dict(type='str'),
         proxmox_default_behavior=dict(type='str', default='no_defaults', choices=['compatibility', 'no_defaults']),
         clone=dict(type='int'),
         clone_type=dict(default='opportunistic', choices=['full', 'linked', 'opportunistic']),
@@ -704,6 +723,7 @@ def main():
                                     unprivileged=ansible_to_proxmox_bool(module.params['unprivileged']),
                                     description=module.params['description'],
                                     hookscript=module.params['hookscript'],
+                                    timezone=module.params['timezone'],
                                     tags=module.params['tags'])
 
             module.exit_json(changed=True, msg="Deployed VM %s from template %s" % (vmid, module.params['ostemplate']))