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Fix IPv6 wildcard bootstrap address resolution in disagg (#29459)

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This commit is contained in:
Lianmin Zheng
2026-06-26 16:05:36 -07:00
committed by GitHub
parent 5eebb4b2e8
commit 9c3227b689
2 changed files with 14 additions and 13 deletions
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test/registered/unit/disaggregation/test_register_to_bootstrap.py
+8 -8
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@@ -185,8 +185,8 @@ class TestRegisterToBootstrap(CustomTestCase):
@patch("sglang.srt.disaggregation.common.conn.time")
@patch("sglang.srt.disaggregation.common.conn.requests.put")
def test_wildcard_host_0000_uses_local_ip(self, mock_put, mock_time):
"""When --host 0.0.0.0 is used, the PUT must target local_ip not 0.0.0.0.
def test_wildcard_host_0000_uses_ipv4_loopback(self, mock_put, mock_time):
"""When --host 0.0.0.0 is used, the PUT must target IPv4 loopback.
Scenario: cross-node P/D disagg where each role runs on a single node
(tp=1). Each machine runs its own SGLang instance with --host 0.0.0.0
@@ -196,7 +196,7 @@ class TestRegisterToBootstrap(CustomTestCase):
aiohttp >=3.9 rejects that with HTTP 403 because 0.0.0.0 is not a
valid Host header value.
Fix: substitute self.local_ip when bootstrap_host is a wildcard.
Fix: substitute same-family loopback when bootstrap_host is a wildcard.
"""
mock_time.monotonic.return_value = 0.0
success_resp = MagicMock()
@@ -210,12 +210,12 @@ class TestRegisterToBootstrap(CustomTestCase):
url_used = mock_put.call_args[0][0]
self.assertNotIn("0.0.0.0", url_used)
self.assertIn("192.168.1.10", url_used)
self.assertIn("127.0.0.1", url_used)
@patch("sglang.srt.disaggregation.common.conn.time")
@patch("sglang.srt.disaggregation.common.conn.requests.put")
def test_wildcard_host_ipv6_uses_local_ip(self, mock_put, mock_time):
"""Same fix for the IPv6 wildcard \"::\": must use local_ip instead."""
def test_wildcard_host_ipv6_uses_ipv6_loopback(self, mock_put, mock_time):
"""Same fix for the IPv6 wildcard \"::\": must use IPv6 loopback."""
mock_time.monotonic.return_value = 0.0
success_resp = MagicMock()
success_resp.status_code = 200
@@ -227,9 +227,9 @@ class TestRegisterToBootstrap(CustomTestCase):
mgr.register_to_bootstrap()
url_used = mock_put.call_args[0][0]
# "::" bracketed as "[::]:port" should not appear; local_ip should
# "::" bracketed as "[::]:port" should not appear; loopback should.
self.assertNotIn("[::]", url_used)
self.assertIn("fd00", url_used)
self.assertIn("[::1]", url_used)
def _make_manager(self, dist_init_addr=None):
"""Create a lightweight mock manager that has the attributes needed