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35 lines
994 B
Text
35 lines
994 B
Text
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#!/usr/bin/env python
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from munin.postgres import MuninPostgresPlugin
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class MuninPostgresConnectionsPlugin(MuninPostgresPlugin):
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dbname_in_args = False
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title = "Postgres active connections"
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args = "-l 0 --base 1000"
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vlabel = "Active connections"
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info = "Shows active Postgresql connections"
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@property
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def fields(self):
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c = self.cursor()
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c.execute("SHOW max_connections")
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row = c.fetchone()
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return (
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('connections', dict(
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label = "Active connections",
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info = "Active connections",
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type = "GAUGE",
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warning = int(int(row[0]) * 0.7),
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critical = int(int(row[0]) * 0.8),
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)),
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)
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def execute(self):
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c = self.cursor()
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c.execute("SELECT COUNT(1) FROM pg_stat_activity")
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row = c.fetchone()
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return dict(connections = row[0])
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if __name__ == "__main__":
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MuninPostgresConnectionsPlugin().run()
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