From 814c5a5b60e08a1a9cec81137bda96c835e4867c Mon Sep 17 00:00:00 2001
From: Claudio Cirelli <claudio.cirelli@psi.ch>
Date: Tue, 20 Oct 2026 09:37:38 +0200
Subject: [PATCH] easy script to check if all channels are online

---
 check.py | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100755 check.py

diff --git a/check.py b/check.py
new file mode 100755
index 0000000..4e92efc
--- /dev/null
+++ b/check.py
@@ -0,0 +1,71 @@
+
+#!/usr/bin/env python3
+
+import subprocess
+import sys
+import yaml
+
+
+def check_channels(filename):
+    with open(filename, "r") as f:
+        config = yaml.safe_load(f)
+
+    # Only read actual channel definitions
+    channels = config["channels"]
+
+    online = 0
+    offline = 0
+    timeouts = 0
+
+    print(f"\nChecking {len(channels)} channels...\n")
+
+    for alias, channel in channels.items():
+        try:
+            result = subprocess.run(
+                ["bs", "avail", channel],
+                capture_output=True,
+                text=True,
+                timeout=15
+            )
+
+            is_online = channel in [
+                line.strip() for line in result.stdout.splitlines()
+            ]
+            
+            status = "ONLINE" if is_online else "OFFLINE"
+
+        except subprocess.TimeoutExpired:
+            status = "TIMEOUT"
+            is_online = False
+
+        except OSError:
+            status = "ERROR"
+            
+        if status == "ONLINE":
+            online += 1
+            symbol = "✓"
+        elif status == "OFFLINE":
+            offline +=1
+            symbol = "✗"
+        elif status == "TIMEOUT":
+            timeouts +=1
+            symbol = "!"
+        else:
+            offline +=1
+            symbol = "?"
+            
+        print (f"{symbol} {alias:<18} {status:<8} {channel}")
+
+    print(f"\nSummary: {online} online, {offline} offline")
+
+    return offline == 0 and timeouts==0
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Usage: check <channels.yaml>")
+        sys.exit(1)
+
+    success = check_channels(sys.argv[1])
+    sys.exit(0 if success else 1)
+