55 lines
2.4 KiB
Python
55 lines
2.4 KiB
Python
#!/usr/bin/env python
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import copy
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from time import sleep
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from flaky import flaky
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from util import start_cloudflared, wait_tunnel_ready, check_tunnel_not_connected
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@flaky(max_runs=3, min_passes=1)
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class TestReconnect():
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default_ha_conns = 4
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default_reconnect_secs = 5
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extra_config = {
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"stdin-control": True,
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}
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def test_named_reconnect(self, tmp_path, component_tests_config):
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config = component_tests_config(self.extra_config)
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with start_cloudflared(tmp_path, config, new_process=True, allow_input=True, capture_output=False) as cloudflared:
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# Repeat the test multiple times because some issues only occur after multiple reconnects
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self.assert_reconnect(config, cloudflared, 5)
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def test_classic_reconnect(self, tmp_path, component_tests_config):
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extra_config = copy.copy(self.extra_config)
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extra_config["hello-world"] = True
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config = component_tests_config(
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additional_config=extra_config, named_tunnel=False)
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with start_cloudflared(tmp_path, config, cfd_args=[], new_process=True, allow_input=True, capture_output=False) as cloudflared:
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self.assert_reconnect(config, cloudflared, 1)
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def send_reconnect(self, cloudflared, secs):
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# Although it is recommended to use the Popen.communicate method, we cannot
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# use it because it blocks on reading stdout and stderr until EOF is reached
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cloudflared.stdin.write(f"reconnect {secs}s\n".encode())
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cloudflared.stdin.flush()
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def assert_reconnect(self, config, cloudflared, repeat):
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wait_tunnel_ready(tunnel_url=config.get_url())
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for _ in range(repeat):
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for i in range(self.default_ha_conns):
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self.send_reconnect(cloudflared, self.default_reconnect_secs)
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expect_connections = self.default_ha_conns-i-1
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if expect_connections > 0:
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# Don't check if tunnel returns 200 here because there is a race condition between wait_tunnel_ready
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# retrying to get 200 response and reconnecting
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wait_tunnel_ready(
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require_min_connections=expect_connections)
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else:
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check_tunnel_not_connected()
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sleep(self.default_reconnect_secs + 10)
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wait_tunnel_ready(tunnel_url=config.get_url(),
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require_min_connections=self.default_ha_conns)
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