author | Tero Marttila <terom@paivola.fi> |
Wed, 26 Mar 2008 01:16:54 +0200 | |
changeset 16 | 521fec9bb663 |
parent 15 | e31e38d654b6 |
child 18 | 6348bf9750bc |
permissions | -rw-r--r-- |
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from twisted.internet import protocol, reactor |
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from twisted.python import log |
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import sys |
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import api |
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import logwatch_config as config |
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class TailProcessProtocol (protocol.ProcessProtocol) : |
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def __init__ (self, module, name, filters) : |
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self.module = module |
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self.name = name |
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self.filters = filters |
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self.buf = "" |
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def errReceived (self, data) : |
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self.module.error("tail for %s: %s" % (self.name, data)) |
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def outReceived (self, data) : |
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data = self.buf + data |
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while "\n" in data : |
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line, data = data.split("\n", 1) |
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log.msg("Matching line `%s'..." % line) |
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for filter in self.filters : |
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out = filter.test(line) |
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if out : |
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log.msg("\t%s: %s" % (filter.event_type, out)) |
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self.module.sendEvent(filter.event_type, out) |
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self.buf = data |
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def processEnded (self, reason) : |
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msg = "tail process for %s quit: %s" % (self.name, reason.getErrorMessage()) |
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log.err(msg) |
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self.module.error(msg) |
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class LogWatchModule (api.Module) : |
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name = "logs" |
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version = 0x0001 |
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event_types = [ |
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"error", |
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"sudo", |
614161f85d9b
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Tero Marttila <terom@paivola.fi>
parents:
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"ssh", |
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] |
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log_files = config.log_files |
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log_objs = None |
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def handleConnect (self) : |
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log.msg("Spawning tail processes...") |
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self.log_objs = dict() |
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for name, file, filters in self.log_files : |
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log.msg("\t%s - %s..." % (name, file)) |
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p = self.log_objs[name] = TailProcessProtocol(self, name, filters) |
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614161f85d9b
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reactor.spawnProcess(p, "/usr/bin/tail", ["tail", "-n0", "--follow=name", file]) |
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def error (self, msg) : |
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self.sendEvent("error", msg) |
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if __name__ == '__main__' : |
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LogWatchModule().run() |
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