ninjalog_uploader.py: use cipd to check authenticated account

Googlers authenticate with CIPD now to use reclient.

This is for
https://crrev.com/c/5035266/20#message-6bcb2d14f6758d0ba82d5cff99d699985c934707

Change-Id: Ie78675e6f7a8b47f7cafd85141f87139d1472f1f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5058275
Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Junji Watanabe <jwata@google.com>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>

ninjalog_uploader.py

@@ -51,10 +51,10 @@ ALLOWLISTED_CONFIGS = (
 def IsGoogler():
     """Check whether this user is Googler or not."""
     p = subprocess.run(
-        "goma_auth info",
+        "cipd auth-info",
         stdout=subprocess.PIPE,
         stderr=subprocess.PIPE,
-        universal_newlines=True,
+        text=True,
         shell=True,
     )
     if p.returncode != 0:
@@ -63,8 +63,9 @@ def IsGoogler():
     if len(lines) == 0:
         return False
     l = lines[0]
-    # |l| will be like 'Login as <user>@google.com' for googler using goma.
-    return l.startswith("Login as ") and l.endswith("@google.com")
+    # |l| will be like 'Logged in as <user>@google.com.' for googler using
+    # reclient.
+    return l.startswith("Logged in as ") and l.endswith("@google.com.")
 
 
 def ParseGNArgs(gn_args):

tests/ninjalog_uploader_test.py

@@ -19,8 +19,7 @@ class NinjalogUploaderTest(unittest.TestCase):
     def test_IsGoogler(self):
         with unittest.mock.patch('subprocess.run') as run_mock:
             run_mock.return_value.returncode = 0
-            run_mock.return_value.stdout = ('Login as foo@google.com\n'
-                                            'goma is ready to use')
+            run_mock.return_value.stdout = 'Logged in as foo@google.com.\n'
             self.assertTrue(ninjalog_uploader.IsGoogler())
 
         with unittest.mock.patch('subprocess.run') as run_mock:
@@ -34,7 +33,7 @@ class NinjalogUploaderTest(unittest.TestCase):
 
         with unittest.mock.patch('subprocess.run') as run_mock:
             run_mock.return_value.returncode = 0
-            run_mock.return_value.stdout = 'Login as foo@example.com\n'
+            run_mock.return_value.stdout = 'Logged in as foo@example.com.\n'
             self.assertFalse(ninjalog_uploader.IsGoogler())
 
     def test_parse_gn_args(self):