feat(jenkins_node_info): add info module

plugins/module_utils/Jenkins.py

@@ -0,0 +1,46 @@
+import xml.etree.ElementTree as ET
+from typing import Optional
+from dataclasses import dataclass
+
+import requests
+from pathspec import PathSpec
+
+
+class Jenkins:
+
+    @dataclass
+    class NodeInfo:
+        server_url: str
+        name: str
+        secret: Optional[str]
+        work_dir: PathSpec
+        internal_dir: PathSpec
+        server_url: str
+
+    def __init__(self, server_url, username, api_token):
+        self.server_url = server_url
+        self.username = username
+        self.api_token = api_token
+
+    def _log_in(self, username: str, password: str) -> (str, str):
+        response = requests.get(f"{self.server_url}/crumbIssuer/api/json")
+        response.raise_for_status()
+        payload = response.json()
+        return payload["crumbRequestField"], payload["crumb"]
+
+    def get_node_jnlp(self, node_name) -> str:
+        response = requests.get(
+            f"{self.server_url}/manage/computer/{node_name}/slave-agent.jnlp",
+            auth=(self.username, self.api_token),
+        )
+        response.raise_for_status()
+        return response.text
+
+    def get_node_info(self, node_name: str) -> NodeInfo:
+        jnlp_info_raw = self.get_node_jnlp(node_name)
+        tree = ET.ElementTree(ET.fromstring(jnlp_info_raw))
+        arguments = tree.findall("./application-desc/")
+        (node_secret, node_name, _, work_dir, _, internal_dir, _, url) = [
+            arg.text for arg in arguments[:8]
+        ]
+        return Jenkins.NodeInfo(url, node_name, node_secret, work_dir, internal_dir)