[Dashboard] Improve handling of logs and errors in dashboard backend (#5857)

* Improve handling of logs and errors in dashboard backend

* Update nested dict comprehension for clarity

python/ray/reporter.py

@@ -9,7 +9,6 @@ import os
 import traceback
 import time
 import datetime
-from socket import AddressFamily
 
 try:
     import psutil
@@ -19,6 +18,7 @@ except ImportError:
     sys.exit(1)
 
 import ray.ray_constants as ray_constants
+import ray.services
 import ray.utils
 
 # Logger for this module. It should be configured at the entry point
@@ -52,15 +52,6 @@ def is_worker(cmdline):
     return cmdline and cmdline[0].startswith("ray_")
 
 
-def determine_ip_address():
-    """Return the first IP address for an ethernet interface on the system."""
-    addrs = [
-        x.address for k, v in psutil.net_if_addrs().items() if k[0] == "e"
-        for x in v if x.family == AddressFamily.AF_INET
-    ]
-    return addrs[0]
-
-
 def to_posix_time(dt):
     return (dt - datetime.datetime(1970, 1, 1)).total_seconds()
 
@@ -77,7 +68,7 @@ class Reporter(object):
     def __init__(self, redis_address, redis_password=None):
         """Initialize the reporter object."""
         self.cpu_counts = (psutil.cpu_count(), psutil.cpu_count(logical=False))
-        self.ip_addr = determine_ip_address()
+        self.ip = ray.services.get_node_ip_address()
         self.hostname = os.uname().nodename
 
         _ = psutil.cpu_percent()  # For initialization
@@ -145,7 +136,7 @@ class Reporter(object):
         return {
             "now": now,
             "hostname": self.hostname,
-            "ip": self.ip_addr,
+            "ip": self.ip,
             "cpu": self.get_cpu_percent(),
             "cpus": self.cpu_counts,
             "mem": self.get_mem_usage(),