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Added autoconf, configuration via ENV variables, magic markers.

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This commit is contained in:
Luka Furlan 2012-01-26 08:41:29 +01:00
parent 0db07b5c4f
commit e12b9690f4
1 changed files with 45 additions and 15 deletions
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60
plugins/other/tomcat_
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@ -6,14 +6,27 @@ Wildcard plugin to monitor Apache Tomcat connectors and/or JBoss' JVM.
To use this plugin:
1. Set site, username and password variables before you do anything else.
2. Run plugin with suggest argument to get all the available options.
3. Copy plugin to munin plugions folder and make it executable.
3. Create symbolic links based on output from step 2. Examples:
3. Copy plugin to munin plugins folder and make it executable.
4. Create symbolic links based on output from step 2. Examples:
tomcat_jvm - monitor JVM usage
tomcat_ajp-127.0.0.1-8009 - monitor ajp connector
tomcat_http-127.0.0.1-8080 - monitor http connector
4. Check links by running them.
5. Restart munin-node.
6. Enjoy graphs.
5. Check links by running them.
6. Restart munin-node.
7. Enjoy graphs.
Munin's muni-node-configure can be used to do steps 2, 3 and 4 for you.
Example of using munin-node configuration to configure the plugin:
[tomcat_jvm]
env.site http://127.0.0.1:8080/status?XML=true
env.username admin
env.password admin
Magic markers
#%# capabilities=autoconf suggest
#%# family=auto
'''
import urllib2
@ -26,6 +39,16 @@ site = 'http://127.0.0.1:8080/status?XML=true'
username = 'admin'
password = 'admin'
# Or do it with the environment variables in munin-node configuration.
if os.environ.has_key('site'):
site = os.environ['site']
if os.environ.has_key('username'):
username = os.environ['username']
if os.environ.has_key('password'):
password = os.environ['password']
# Timeout for urlopen.
required_version = (2, 6)
current_version = sys.version_info[:2]
@ -54,12 +77,11 @@ def site_auth():
request = urllib2.Request(url=site, headers={"Authorization": "Basic %s" % enc_string})
try:
if current_version >= required_version:
return urllib2.urlopen(request, timeout=5).read()
return (0, urllib2.urlopen(request, timeout=5).read())
else:
return urllib2.urlopen(request).read()
return (0, urllib2.urlopen(request).read())
except:
print "Failed to access %s ... please check the configuration." % (site)
sys.exit(1)
return (-1, "Failed to access %s" % site)
def jvm_data(data):
document = data.documentElement
@ -117,16 +139,24 @@ def configure():
print "%s.info %s %s count" % (attr, ctx, attr)
if __name__ == "__main__":
data = xml.dom.minidom.parseString(site_auth())
status, data = site_auth()
if len(sys.argv) == 2 and sys.argv[1] == 'config':
configure()
sys.exit(0)
if len(sys.argv) == 2 and sys.argv[1] == 'suggest':
suggest(data)
elif len(sys.argv) == 2 and sys.argv[1] == 'suggest':
suggest(xml.dom.minidom.parseString(data))
sys.exit(0)
elif len(sys.argv) == 2 and sys.argv[1] == 'autoconf':
if status == 0:
print "yes"
else:
print "no (%s)" % data
sys.exit(0)
if ctx == 'jvm':
jvm_data(data)
else:
connector_data(data, ctx)
if ctx == 'jvm':
jvm_data(xml.dom.minidom.parseString(data))
else:
connector_data(xml.dom.minidom.parseString(data), ctx)