[minor_change] Add nd_rest as a new generic ND REST API module. (DCNE-242)

plugins/module_utils/constants.py

@@ -164,3 +164,5 @@
 INTERFACE_FLOW_RULES_STATUS_MAPPING = {"enabled": "ENABLED", "disabled": "DISABLED"}
 
 ND_SETUP_NODE_ROLE_MAPPING = {"primary": "Master", "secondary": "Worker", "standby": "Standby"}
+
+ND_REST_KEYS_TO_SANITIZE = ["metadata"]

plugins/module_utils/nd.py

@@ -56,6 +56,16 @@ def sanitize_list(list_to_sanitize, keys=None, values=None, list_recursive=True,
     return result
 
 
+def sanitize(obj_to_sanitize, keys=None, values=None, recursive=True, remove_none_values=True):
+    """Clean up a Python object of type list or dict from specific keys, values and None values if specified"""
+    if isinstance(obj_to_sanitize, dict):
+        return sanitize_dict(obj_to_sanitize, keys, values, recursive, remove_none_values)
+    elif isinstance(obj_to_sanitize, list):
+        return sanitize_list(obj_to_sanitize, keys, values, recursive, recursive, remove_none_values)
+    else:
+        raise TypeError("object to sanitize can only be of type list or dict. Got {}".format(type(obj_to_sanitize)))
+
+
 if PY3:
 
     def cmp(a, b):

plugins/modules/nd_rest.py

@@ -0,0 +1,264 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2024, Gaspard Micol (@gmicol) <[email protected]>
+# GNU General Public License v3.0+ (see LICENSE or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+ANSIBLE_METADATA = {"metadata_version": "1.1", "status": ["preview"], "supported_by": "community"}
+
+DOCUMENTATION = r"""
+---
+module: nd_rest
+short_description: Allows direct access to the Cisco Nexus Dashboard REST API
+description:
+- Enables the management of Cisco Nexus Dashboard (ND) through direct access to the Cisco ND REST API.
+author:
+- Gaspard Micol (@gmicol)
+options:
+  method:
+    description:
+    - The HTTP method specifying the type of action to be performed in the request.
+    - Use C(delete) for removing objects.
+    - Use C(get) to retrieve or query objects.
+    - Use C(post) to create new objects.
+    - Use C(put) to update or replace existing objects entirely.
+    - Use C(patch) to apply partial modifications to existing objects.
+    type: str
+    choices: [ delete, get, post, put, patch, DELETE, GET, POST, PUT, PATCH ]
+    default: get
+    aliases: [ action ]
+  path:
+    description:
+    - The URI being used to execute API calls.
+    type: str
+    required: true
+    aliases: [ uri ]
+  content:
+    description:
+    - Sets the payload of the API request directly.
+    type: raw
+    aliases: [ payload ]
+  file_path:
+    description:
+    - The file path containing the body of the HTTP request.
+    type: path
+    aliases: [ config_file ]
+extends_documentation_fragment:
+- cisco.nd.modules
+- cisco.nd.check_mode
+notes:
+- All payloads to the REST interface must be in YAML (if PyYAML package is installed) or JSON format using this module.
+- For Cisco Nexus Dashboard REST API references, visit U(https://developer.cisco.com/docs/nexus-dashboard/latest/api-reference/)
+"""
+
+EXAMPLES = r"""
+- name: Create Security Domain using POST method by providing a JSON payload
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /nexus/infra/api/aaa/v4/securitydomains
+    method: post
+    content:
+      {
+        "spec": {
+          "description": "Security Domain Test for nd_rest module.",
+          "name": "ansible_security_domain_test"
+        }
+      }
+
+- name: Create Security Domain using POST method by providing a YAML payload
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /nexus/infra/api/aaa/v4/securitydomains
+    method: post
+    content:
+      spec:
+        description: "Security Domain Test for nd_rest module."
+        name: "ansible_security_domain_test"
+
+- name: Create Security Domain with POST method by providing a JSON file
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /nexus/infra/api/aaa/v4/securitydomains
+    method: post
+    file_path: "path/to/json/file.json"
+
+- name: Update Security Domain using PUT method by providing a JSON payload
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /nexus/infra/api/aaa/v4/securitydomains/ansible_security_domain_test
+    method: put
+    content:
+      {
+        "spec": {
+          "description": "Updated Security Domain Test for nd_rest module."
+        }
+      }
+
+- name: Query Security Domain using GET method
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /nexus/infra/api/aaa/v4/securitydomains/ansible_security_domain_test
+    method: get
+  register: query_one
+
+- name: Query all Security Domains using GET method
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /nexus/infra/api/aaa/v4/securitydomains
+    method: get
+  register: query_all
+
+- name: Remove Security Domain using DELETE method
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /nexus/infra/api/aaa/v4/securitydomains/ansible_security_domain_test
+    method: delete
+
+- name: Create a Fabric Policy Template on NDO using POST method by providing a JSON payload
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: /mso/api/v1/templates
+    method: post
+    content:
+      {
+        "displayName": "ansible_nd_rest_fabric_policies_template",
+        "fabricPolicyTemplate": {},
+        "templateType": "fabricPolicy"
+      }
+  register: create_fabric_policies_template
+
+- name: Update Fabric Policy Template on NDO using PATCH method by providing a JSON payload
+  cisco.nd.nd_rest:
+    host: nd
+    username: admin
+    password: SomeSecretPassword
+    path: "/mso/api/v1/templates/{{ create_fabric_policies_template.current.templateId }}"
+    method: patch
+    content:
+      [
+        {
+          "op": "replace",
+          "path": "/fabricPolicyTemplate/template/domains",
+          "value": [
+            {
+              "name": "ansible_nd_rest_physical_domain",
+              "description": "Ansible nd_rest Physical Domain test for PATCH",
+              "pool": ""
+            }
+          ]
+        }
+      ]
+"""
+
+RETURN = r"""
+"""
+
+import json
+import os
+
+# Optional, only used for YAML validation
+try:
+    import yaml
+
+    HAS_YAML = True
+except Exception:
+    HAS_YAML = False
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible_collections.cisco.nd.plugins.module_utils.nd import NDModule, nd_argument_spec, sanitize
+from ansible_collections.cisco.nd.plugins.module_utils.constants import ND_REST_KEYS_TO_SANITIZE
+from ansible.module_utils._text import to_text
+
+
+def main():
+    argument_spec = nd_argument_spec()
+    argument_spec.update(
+        path=dict(type="str", required=True, aliases=["uri"]),
+        method=dict(
+            type="str",
+            default="get",
+            choices=["delete", "get", "post", "put", "patch", "DELETE", "GET", "POST", "PUT", "PATCH"],
+            aliases=["action"],
+        ),
+        content=dict(type="raw", aliases=["payload"]),
+        file_path=dict(type="path", aliases=["config_file"]),
+    )
+
+    module = AnsibleModule(
+        argument_spec=argument_spec,
+        supports_check_mode=True,
+    )
+
+    content = module.params.get("content")
+    path = module.params.get("path")
+    file_path = module.params.get("config_file")
+
+    nd = NDModule(module)
+
+    # Report missing file
+    if file_path and not os.path.isfile(file_path):
+        module.fail_json(msg="Cannot find/access file '{0}'".format(file_path))
+
+    if content and isinstance(content, str):
+        try:
+            if HAS_YAML:
+                # Validate YAML/JSON string with PyYAML package
+                content = yaml.safe_load(content)
+            else:
+                # Validate JSON string only with json Python package
+                content = json.loads(content)
+        except Exception as e:
+            error_msg = (
+                "Failed to parse provided YAML/JSON payload: {0}".format(to_text(e))
+                if HAS_YAML
+                else "Failed to parse provided JSON payload: {0}. If a YAML payload was provided, the PyYAML package is required to be installed.".format(
+                    to_text(e)
+                )
+            )
+            module.fail_json(msg=error_msg, payload=content)
+
+    method = nd.params.get("method").upper()
+
+    # Append previous state of the object
+    if method in ("PUT", "DELETE", "PATCH"):
+        nd.existing = nd.previous = sanitize(nd.query_obj(path, ignore_not_found_error=True), ND_REST_KEYS_TO_SANITIZE)
+    nd.result["previous"] = nd.previous
+
+    # Perform request
+    if module.check_mode:
+        nd.result["jsondata"] = content
+    else:
+        nd.result["jsondata"] = nd.request(path, method=method, data=content, file=file_path)
+        nd.existing = sanitize(nd.result["jsondata"], ND_REST_KEYS_TO_SANITIZE)
+
+    # Report changes for idempotency depending on methods
+    nd.result["status"] = nd.status
+    if sanitize(nd.result["jsondata"], ND_REST_KEYS_TO_SANITIZE) != nd.previous and method != "GET":
+        nd.result["changed"] = True
+
+    # Report success
+    nd.exit_json(**nd.result)
+
+
+if __name__ == "__main__":
+    main()