feat(role): add plugin for listing available roles and their privileges

plugins/module_utils/proxmox_datacenter_role.py

@@ -0,0 +1,63 @@
+from dataclasses import dataclass, field
+from typing import List, Tuple
+
+from ansible_collections.finallycoffee.proxmox.plugins.module_utils.common import _proxmox_request, ProxmoxAuthInfo
+
+
+@dataclass(frozen=True)
+class ProxmoxRole:
+    name: str
+    privileges: List = field(default_factory=lambda: [])
+    built_in: bool = False
+
+
+def get_roles(auth_info: ProxmoxAuthInfo) -> List['ProxmoxRoles']:
+    role_answer = _proxmox_request('get', '/access/roles', auth_info).json()
+    return list(map(
+        lambda r: ProxmoxRole(r['roleid'], r['privs'].split(','), bool(r.get('special', False)) is True),
+        role_answer['data']
+    ))
+
+
+def set_role_data(auth_info: ProxmoxAuthInfo, role: str, privileges: list[str], dry_run: bool, state: str = 'present') -> Tuple[dict, dict]:
+    existing_role = _proxmox_request('get', f"/access/roles/{role}", auth_info)
+    existing_role_data = existing_role.json()['data']
+    new_role_data = ''
+    if state == 'present' or state == 'exact':
+        if existing_role.ok:
+            # When state is present, we only append all listed privs to existing roles,
+            # otherwise we set the role's permission list directly
+            changeset = {
+                'privs': ','.join(privileges),
+                'append': False if (state == 'exact') else True
+            }
+            if not dry_run:
+                role_res = _proxmox_request('put', f"/access/roles/{role}", auth_info, data=changeset)
+                role_res.raise_for_status()
+        else:
+            # For new roles, state being exact or present is the same thing
+            if not dry_run:
+                role_res = _proxmox_request('post', '/access/roles', auth_info, data=({
+                    'roleId': role,
+                    'privs': ','.join(privileges)
+                }))
+                role_res.raise_for_status()
+        if not dry_run:
+            if role_res.ok:
+                new_role_data = _proxmox_request('get', f"/access/roles/{role}", auth_info).json()['data']
+        else:
+            new_role_data = {'role': role, 'privs': privileges}
+    else:
+        if existing_role.ok:
+            existing_role_data = existing_role.json()['data']
+            if not dry_run:
+                role_res = _proxmox_request('delete', f"/access/role/{role}", auth_info)
+                role_res.raise_for_status()
+                if role_res.ok:
+                    new_role_data = None
+            else:
+                new_role_data = None
+        else:
+            new_role_data = None
+    return existing_role_data, new_role_data
+