Add full dashboard link in scheduler logs (#7631)

Author: milesgranger

distributed/node.py

@@ -171,7 +171,7 @@ def start_http_server(
         bound_addresses = get_tcp_server_addresses(self.http_server)
 
         # If more than one address is configured we just use the first here
-        self.http_server.port = bound_addresses[0][1]
+        self.http_server.address, self.http_server.port = bound_addresses[0]
         self.services["dashboard"] = self.http_server
 
         # Warn on port changes

distributed/scheduler.py

@@ -101,6 +101,7 @@
     All,
     TimeoutError,
     empty_context,
+    format_dashboard_link,
     get_fileno_limit,
     key_split_group,
     log_errors,
@@ -3860,8 +3861,13 @@ async def start_unsafe(self):
 
         for listener in self.listeners:
             logger.info("  Scheduler at: %25s", listener.contact_address)
-        for k, v in self.services.items():
-            logger.info("%11s at: %25s", k, "%s:%d" % (listen_ip, v.port))
+        for name, server in self.services.items():
+            if name == "dashboard":
+                addr = get_address_host(listener.contact_address)
+                link = format_dashboard_link(addr, server.port)
+            else:
+                link = f"{listen_ip}:{server.port}"
+            logger.info("%11s at:  %25s", name, link)
 
         if self.scheduler_file:
             with open(self.scheduler_file, "w") as f:

distributed/tests/test_scheduler.py

@@ -2870,6 +2870,7 @@ async def test_multiple_listeners():
     log = log.getvalue()
     assert re.search(r"Scheduler at:\s*tcp://", log)
     assert re.search(r"Scheduler at:\s*inproc://", log)
+    assert re.search(r"dashboard at:\s*http://", log)
 
 
 @gen_cluster(nthreads=[("127.0.0.1", 1)])