initial commit

launcher/checks.py

@@ -0,0 +1,30 @@
+# checks.py
+import socket
+
+
+class SystemChecks:
+
+  def __init__(self, network_targets, ziti_target):
+    self.network_targets = network_targets
+    self.ziti_target = ziti_target
+
+  def check_network_status(self):
+    """Loops through configured network targets and returns True if any succeed."""
+    for host, port in self.network_targets:
+      if self._tcp_ping(host, int(port), timeout=1.5):
+        return True
+    return False
+
+  def check_ziti_status(self):
+    """Probes the configured Ziti target endpoint."""
+    if not self.ziti_target:
+      return False
+    host, port = self.ziti_target
+    return self._tcp_ping(host, int(port), timeout=1.0)
+
+  def _tcp_ping(self, host, port, timeout=1):
+    try:
+      with socket.create_connection((host, port), timeout=timeout):
+        return True
+    except OSError:
+      return False