mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
133 lines
4.0 KiB
Python
133 lines
4.0 KiB
Python
#!/usr/bin/python
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'''
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Wildcard plugin to monitor Apache Tomcat connectors and/or JBoss' JVM.
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To use this plugin:
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1. Set site, username and password variables before you do anything else.
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2. Run plugin with suggest argument to get all the available options.
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3. Copy plugin to munin plugions folder and make it executable.
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3. Create symbolic links based on output from step 2. Examples:
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tomcat_jvm - monitor JVM usage
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tomcat_ajp-127.0.0.1-8009 - monitor ajp connector
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tomcat_http-127.0.0.1-8080 - monitor http connector
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4. Check links by running them.
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5. Restart munin-node.
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6. Enjoy graphs.
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'''
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import urllib2
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import base64
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import xml.dom.minidom
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import sys, os, re
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# Configure me ...
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site = 'http://127.0.0.1:8080/status?XML=true'
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username = 'admin'
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password = 'admin'
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# Timeout for urlopen.
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required_version = (2, 6)
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current_version = sys.version_info[:2]
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connector_attrs = (
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'maxThreads',
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'minSpareThreads',
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'maxSpareThreads',
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'currentThreadCount',
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'currentThreadBusy'
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)
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jvm_attrs = (
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'free',
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'total',
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'max'
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)
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ctx = sys.argv[0].rstrip('.py').split('_')[1]
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def site_auth():
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# Prepare base64 encoded string
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enc_string = base64.encodestring('%s:%s' % (username, password))
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# Prepare request and add headers
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request = urllib2.Request(url=site, headers={"Authorization": "Basic %s" % enc_string})
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try:
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if current_version >= required_version:
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return urllib2.urlopen(request, timeout=5).read()
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else:
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return urllib2.urlopen(request).read()
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except:
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print "Failed to access %s ... please check the configuration." % (site)
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sys.exit(1)
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def jvm_data(data):
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document = data.documentElement
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for sub_document in document.childNodes:
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if sub_document.nodeName == 'jvm':
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node = sub_document.firstChild
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for attr in jvm_attrs:
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print "%s.value %s" % (attr, int(node.getAttribute(attr)))
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def connector_data(data, connector_name):
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document = data.documentElement
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for sub_document in document.childNodes:
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if sub_document.nodeName == 'connector' and sub_document.getAttribute('name') == connector_name:
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node = sub_document.firstChild
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for attr in connector_attrs:
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try:
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print "%s.value %s" % (attr, int(node.getAttribute(attr)))
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except:
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pass
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def suggest(data):
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document = data.documentElement
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for sub_document in document.childNodes:
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if sub_document.nodeName == 'jvm':
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print "jvm"
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elif sub_document.nodeName == 'connector':
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print sub_document.getAttribute('name')
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else:
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pass
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def configure():
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print "graph_title Tomcat status - %s" % ctx
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print "graph_category tomcat"
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if ctx == 'jvm':
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print "graph_args --base 1024 -l 0"
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print "graph_scale yes"
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print "graph_vlabel JVM in bytes"
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print "graph_info This graph shows JVM usage of Tomcat."
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for attr in jvm_attrs:
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print "%s.label %s" % (attr, attr)
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print "%s.type GAUGE" % (attr)
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print "%s.min 0" % (attr)
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print "%s.draw LINE1" % (attr)
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print "%s.info %s %s in bytes" % (attr, ctx, attr)
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else:
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print "graph_args --base 1000 -l 0"
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print "graph_scale no"
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print "graph_vlabel Connector threads"
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print "graph_info This graph shows connector threads for %s" % ctx
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for attr in connector_attrs:
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print "%s.label %s" % (attr, attr)
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print "%s.type GAUGE" % (attr)
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print "%s.min 0" % (attr)
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print "%s.draw LINE1" % (attr)
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print "%s.info %s %s count" % (attr, ctx, attr)
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if __name__ == "__main__":
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data = xml.dom.minidom.parseString(site_auth())
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if len(sys.argv) == 2 and sys.argv[1] == 'config':
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configure()
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sys.exit(0)
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if len(sys.argv) == 2 and sys.argv[1] == 'suggest':
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suggest(data)
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sys.exit(0)
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if ctx == 'jvm':
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jvm_data(data)
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else:
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connector_data(data, ctx)
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