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https://github.com/munin-monitoring/contrib.git
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Added simple graph mode for queries without GROUP BY statement
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commit
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@ -14,8 +14,8 @@
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# user: username to access Mysql server (default - empty)
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# password: password of Mysql user (default - empty)
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# database: Mysql database name (default - empty)
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# table: Mysql table name (no defaul, raises exception)
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# field: field name, used in GROUP BY statement (no default, raises exception)
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# table: Mysql table name (no default, raises exception)
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# field: field name, used in GROUP BY statement (default - empty, no group by)
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# where: optional where condition (without "where", default - empty)
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#
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# This plugin shows graphs of Mysql COUNT(*) results.
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@ -88,9 +88,11 @@ else:
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raise Exception("You should provide 'env.table' in configuration file")
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# Mysql group by field
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if "field" in os.environ and os.environ["field"] != None:
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field = os.environ["field"]
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groupBy = "GROUP BY %s" % os.environ["field"]
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field = "%s, " % os.environ["field"]
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else:
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raise Exception("You should provide 'env.field' in configuration file")
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groupBy = ""
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field = ""
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# Mysql where condition
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if "where" in os.environ and os.environ["where"] != None:
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@ -102,9 +104,9 @@ else:
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conn = None
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# Query to get field values
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valuesQuery = "SELECT DISTINCT %s FROM %s %s" % (field, table, where)
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valuesQuery = "SELECT DISTINCT %s 1 FROM %s %s" % (field, table, where)
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# Query to get graph data
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aggregateQuery = "SELECT %s, COUNT(*) FROM %s %s GROUP BY %s" % (field, table, where, field)
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aggregateQuery = "SELECT %sCOUNT(*) FROM %s %s %s" % (field, table, where, groupBy)
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# Connect to mysql
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try:
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@ -115,50 +117,67 @@ except MySQLdb.Error, e:
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sys.exit(1)
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# init values tuple
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values = {}
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cursor.execute(valuesQuery)
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results = cursor.fetchall()
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for result in results:
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values[result[0]] = 0
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if field != "":
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values = {}
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cursor.execute(valuesQuery)
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results = cursor.fetchall()
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for result in results:
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values[result[0]] = 0
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if len(sys.argv) == 2 and sys.argv[1] == "autoconf":
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print "yes"
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elif len(sys.argv) == 2 and sys.argv[1] == "config":
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print "multigraph mysql_aggregate_%s" % table
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print "graph_title Aggregate - %s" % table
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print "graph_vlabel count(*)"
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print "graph_category mysql"
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print ""
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for key in values.keys():
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print "%s_count.label %s" % (key.replace(".", "_"), key.replace(".", "_"))
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for key in values.keys():
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print ""
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print "multigraph mysql_aggregate_%s.%s" % (table, key.replace(".", "_"))
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print "graph_title Agregate - %s, value %s" % (table, key.replace(".", "_"))
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if field == "":
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print "graph mysql_aggregate_%s" % table
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print "graph_title Aggregate - %s" % table
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print "graph_vlabel count(*)"
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print "graph_category mysql"
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print ""
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print "%s_count.label %s" % (key.replace(".", "_"), key)
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print "values_count.label count"
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else:
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print "multigraph mysql_aggregate_%s" % table
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print "graph_title Aggregate - %s" % table
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print "graph_vlabel count(*)"
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print "graph_category mysql"
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print ""
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else:
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try:
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cursor.execute(aggregateQuery)
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results = cursor.fetchall()
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for result in results:
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values[result[0]] = result[1]
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print "multigraph mysql_aggregate_%s" % table
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for key in values.keys():
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print "%s_count.value %s" % (key.replace(".", "_"), values[key])
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print "%s_count.label %s" % (key.replace(".", "_"), key.replace(".", "_"))
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for key in values.keys():
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print ""
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print "multigraph mysql_aggregate_%s.%s" % (table, key.replace(".", "_"))
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print "%s_count.value %s" % (key.replace(".", "_"), values[key])
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print "graph_title Agregate - %s, value %s" % (table, key.replace(".", "_"))
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print "graph_vlabel count(*)"
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print "graph_category mysql"
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print ""
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print "%s_count.label %s" % (key.replace(".", "_"), key)
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print ""
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else:
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try:
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cursor.execute(aggregateQuery)
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if field == "":
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result = cursor.fetchone()
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count = 0
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if result[0]:
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count = count + result[0]
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print "values_count.value %s" % count
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else:
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results = cursor.fetchall()
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for result in results:
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values[result[0]] = result[1]
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print "multigraph mysql_aggregate_%s" % table
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for key in values.keys():
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print "%s_count.value %s" % (key.replace(".", "_"), values[key])
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for key in values.keys():
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print ""
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print "multigraph mysql_aggregate_%s.%s" % (table, key.replace(".", "_"))
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print "%s_count.value %s" % (key.replace(".", "_"), values[key])
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except MySQLdb.Error, e:
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print "Error %d: %s" % (e.args[0], e.args[1])
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