24 lines
763 B
Python
24 lines
763 B
Python
import time
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import socket
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import logging
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LOG = logging.getLogger(__name__)
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def wait_for_port(host: str, port: int, timeout: int = 3, retries: int = 0):
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for i in range(retries + 1):
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try:
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LOG.debug('Checking TCP port: %s:%d', host, port)
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with socket.create_connection((host, port), timeout=timeout):
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if socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect_ex((host, port)) == 0:
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return
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except OSError as err:
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LOG.debug('Connection error: %s', err)
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time.sleep(1)
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continue
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LOG.debug('Timed out waiting for TCP port: %s:%d', host, port)
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raise TimeoutError(
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'Unable to establish TCP connection with %s:%s.' % (host, port)
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)
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