Revision 8a20c732 daemons/ganeti-masterd
| b/daemons/ganeti-masterd | ||
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| 427 | 427 |
# here a real node is at the top of the list |
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all_votes = sum(item[1] for item in votes) |
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top_node, top_votes = votes[0] |
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result = False |
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if top_node != myself: |
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logging.critical("It seems we are not the master (top-voted node"
|
| ... | ... | |
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rpc.Shutdown() |
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def _RunInSeparateProcess(fn): |
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"""Runs a function in a separate process. |
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Note: Only boolean return values are supported. |
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@type fn: callable |
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@param fn: Function to be called |
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@rtype: bool |
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""" |
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pid = os.fork() |
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if pid == 0: |
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# Child process |
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try: |
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# Call function |
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result = int(bool(fn())) |
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assert result in (0, 1) |
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except: |
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logging.exception("Error while calling function in separate process")
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# 0 and 1 are reserved for the return value |
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result = 33 |
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os._exit(result) |
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# Parent process |
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# Avoid zombies and check exit code |
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(_, status) = os.waitpid(pid, 0) |
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if os.WIFSIGNALED(status): |
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signum = os.WTERMSIG(status) |
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exitcode = None |
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else: |
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signum = None |
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exitcode = os.WEXITSTATUS(status) |
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if not (exitcode in (0, 1) and signum is None): |
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logging.error("Child program failed (code=%s, signal=%s)",
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exitcode, signum) |
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sys.exit(constants.EXIT_FAILURE) |
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return bool(exitcode) |
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| 469 | 514 |
def ExecMasterd (options, args): |
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"""Main master daemon function, executed with the PID file held. |
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