From c47bf0ea165e6e397a5b3ce45123d2922aaaa35e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ji=C5=99=C3=AD=20Stach?= <jiri.stach@wedos.org>
Date: Fri, 9 Oct 2026 17:32:46 +0200
Subject: [PATCH] feat: add cordon/uncordon endpoints and node action toggles

Co-authored-by: aider (openrouter/thinkingmachines/inkling-small:free) <aider@aider.chat>
---
 backend/main.py     | 10 ++++++++++
 frontend/app.js     | 42 ++++++++++++++++++++++++++++++++++++++++++
 frontend/index.html |  2 ++
 3 files changed, 54 insertions(+)

diff --git a/backend/main.py b/backend/main.py
index 78a0a9a..0b07b83 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -115,3 +115,13 @@ def exec_pod(pod: str, namespace: str = "default", context: str = None, containe
     cmd += ["--", "sh", "-c", command]
     result = run_kubectl(cmd, context=context)
     return {"output": result.stdout, "stderr": result.stderr, "returncode": result.returncode}
+
+@app.get("/cordon")
+def cordon(node: str, context: str = None):
+    result = run_kubectl(["cordon", node], context=context)
+    return {"output": result.stdout, "stderr": result.stderr, "returncode": result.returncode}
+
+@app.get("/uncordon")
+def uncordon(node: str, context: str = None):
+    result = run_kubectl(["uncordon", node], context=context)
+    return {"output": result.stdout, "stderr": result.stderr, "returncode": result.returncode}
diff --git a/frontend/app.js b/frontend/app.js
index d5d0979..7725793 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -29,6 +29,15 @@ document.addEventListener('DOMContentLoaded', () => {
     if (res) resourceSelect.value = res;
   }
 
+  function updateActionVisibility() {
+    const isNode = resourceSelect.value === 'nodes';
+    document.getElementById('btn-delete').style.display = isNode ? 'none' : 'inline-block';
+    document.getElementById('btn-logs').style.display = isNode ? 'none' : 'inline-block';
+    document.getElementById('btn-exec').style.display = isNode ? 'none' : 'inline-block';
+    document.getElementById('btn-cordon').style.display = isNode ? 'inline-block' : 'none';
+    document.getElementById('btn-uncordon').style.display = isNode ? 'inline-block' : 'none';
+  }
+
   async function loadContexts() {
     try {
       const res = await fetch('http://localhost:8000/contexts');
@@ -112,6 +121,7 @@ document.addEventListener('DOMContentLoaded', () => {
         currentData = [];
       }
       renderList();
+      updateActionVisibility();
     } catch (e) {
       console.error('Failed to load resources', e);
       resourceList.innerHTML = '<li>Error loading resources</li>';
@@ -253,5 +263,37 @@ document.addEventListener('DOMContentLoaded', () => {
     }
   });
 
+  document.getElementById('btn-cordon').addEventListener('click', async () => {
+    const node = actionName.value.trim();
+    if (!node) return;
+    const ctx = contextSelect.value || null;
+    try {
+      const url = new URL('http://localhost:8000/cordon');
+      url.searchParams.set('node', node);
+      if (ctx) url.searchParams.set('context', ctx);
+      const res = await fetch(url);
+      const data = await res.json();
+      actionOutput.textContent = data.output || data.error || JSON.stringify(data);
+    } catch (e) {
+      actionOutput.textContent = 'Error: ' + e;
+    }
+  });
+
+  document.getElementById('btn-uncordon').addEventListener('click', async () => {
+    const node = actionName.value.trim();
+    if (!node) return;
+    const ctx = contextSelect.value || null;
+    try {
+      const url = new URL('http://localhost:8000/uncordon');
+      url.searchParams.set('node', node);
+      if (ctx) url.searchParams.set('context', ctx);
+      const res = await fetch(url);
+      const data = await res.json();
+      actionOutput.textContent = data.output || data.error || JSON.stringify(data);
+    } catch (e) {
+      actionOutput.textContent = 'Error: ' + e;
+    }
+  });
+
   loadContexts();
 });
diff --git a/frontend/index.html b/frontend/index.html
index 109ef2e..402c415 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -52,6 +52,8 @@
         <button id="btn-describe">Describe</button>
         <button id="btn-logs">Logs</button>
         <button id="btn-delete" class="danger">Delete</button>
+        <button id="btn-cordon" style="display:none;">Cordon</button>
+        <button id="btn-uncordon" style="display:none;">Uncordon</button>
       </div>
       <div style="margin-top:0.75rem;">
         <label>Exec (non-interactive):</label>