73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
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#!/usr/bin/env python
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import socket
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from time import sleep
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import constants
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from conftest import CfdModes
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from util import start_cloudflared, wait_tunnel_ready, check_tunnel_not_connected
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# Sanity checks that test that we only run Proxy DNS and Tunnel when we really expect them to be there.
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class TestProxyDns:
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def test_proxy_dns_with_named_tunnel(self, tmp_path, component_tests_config):
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run_test_scenario(tmp_path, component_tests_config, CfdModes.NAMED, run_proxy_dns=True)
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def test_proxy_dns_with_classic_tunnel(self, tmp_path, component_tests_config):
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run_test_scenario(tmp_path, component_tests_config, CfdModes.CLASSIC, run_proxy_dns=True)
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def test_proxy_dns_alone(self, tmp_path, component_tests_config):
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run_test_scenario(tmp_path, component_tests_config, CfdModes.PROXY_DNS, run_proxy_dns=True)
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def test_named_tunnel_alone(self, tmp_path, component_tests_config):
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run_test_scenario(tmp_path, component_tests_config, CfdModes.NAMED, run_proxy_dns=False)
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def test_classic_tunnel_alone(self, tmp_path, component_tests_config):
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run_test_scenario(tmp_path, component_tests_config, CfdModes.CLASSIC, run_proxy_dns=False)
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def run_test_scenario(tmp_path, component_tests_config, cfd_mode, run_proxy_dns):
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expect_proxy_dns = run_proxy_dns
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expect_tunnel = False
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if cfd_mode == CfdModes.NAMED:
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expect_tunnel = True
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pre_args = ["tunnel"]
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args = ["run"]
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elif cfd_mode == CfdModes.CLASSIC:
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expect_tunnel = True
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pre_args = []
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args = []
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elif cfd_mode == CfdModes.PROXY_DNS:
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expect_proxy_dns = True
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pre_args = []
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args = ["proxy-dns", "--port", str(constants.PROXY_DNS_PORT)]
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else:
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assert False, f"Unknown cfd_mode {cfd_mode}"
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config = component_tests_config(cfd_mode=cfd_mode, run_proxy_dns=run_proxy_dns)
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with start_cloudflared(tmp_path, config, cfd_pre_args=pre_args, cfd_args=args, new_process=True, capture_output=False):
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if expect_tunnel:
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wait_tunnel_ready()
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else:
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check_tunnel_not_connected()
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verify_proxy_dns(expect_proxy_dns)
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def verify_proxy_dns(should_be_running):
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# Wait for the Proxy DNS listener to come up.
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sleep(constants.BACKOFF_SECS)
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had_failure = False
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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try:
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sock.connect(('localhost', constants.PROXY_DNS_PORT))
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sock.send(b"anything")
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except:
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if should_be_running:
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assert False, "Expected Proxy DNS to be running, but it was not."
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had_failure = True
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finally:
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sock.close()
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if not should_be_running and not had_failure:
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assert False, "Proxy DNS should not have been running, but it was."
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