check_jmx plugin works on client but not on nagios server

[jh129666]

The check_jmx command works on the client, but when I run it on the nagios server it doesn't work. I'm thinking it's because the double quotes around activemq (name='"activemq"') need to be escaped but I'm not sure, and none of the escaping I've tried so far has worked.

Any suggestions?

./check_jmx -U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name='"activemq"' -A State
JMX OK - State=Started

/usr/local/nagios/libexec/check_nrpe -H xxxxxxxx -c check_jmx -a '-U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name='"activemq"' -A State'
JMX CRITICAL - org.apache.camel:context=camel-1,type=components,name=activemq

[npolovenko]

Hello, @jh129666 . You said this plugin doesn't work on the client's server. Is that only using NRPE? Can you run this plugin locally on the client's server without using nrpe? Please post the output. Are there any other nrpe checks on that remote server that are actually working with Nagios server?
Also please upload the command definition from the nrpe.cfg file on the remote server.

[jh129666]

The plugin works on the client server when run locally (see below). It doesn't work when running from the nagios server using check_nrpe.

./check_jmx -U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name='"activemq"' -A State
JMX OK - State=Started

Here's the command definition from nrpe.cfg.


command[check_jmx]=/usr/local/nagios/plugins/check_jmx $ARG1$

[npolovenko]

@jh129666, I think you should try to delete both single and double quotes around activemql.

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/usr/local/nagios/libexec/check_nrpe -H xxxxxxxx -c check_jmx -a '-U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name=activemq -A State'

Option number 2 would be to hardcode the whole command in nrpe.cfg. So instead of:

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command[check_jmx]=/usr/local/nagios/plugins/check_jmx $ARG1$

You'd change it to:

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command[check_jmx]=/usr/local/nagios/plugins/check_jmx -U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name='"activemq"' -A State

Save that, then restart NRPE with service nrpe restart OR service xinetd restart depending on your agent.

After that force the check from Nagios server.

[jh129666]

removing the single and double quotes from activemq doesn't work as the actual value I want to check in the MBean tree is "activemq" and not activemq.

I'll hard code the command and see if that works.

/usr/local/nagios/libexec/check_nrpe -H xxxxxxx -c check_jmx -a '-U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name=activemq -A State'
JMX CRITICAL - org.apache.camel:context=camel-1,type=components,name=activemq

[jh129666]

hard coding the command works using check_nrpe from the nagios server, but I want to get it working without hard coding it. How do the double quotes around activemq need to be escaped so the value of name= is "activemq"?

/usr/local/nagios/libexec/check_nrpe -H xxxxxxxx -c check_jmx
JMX OK - State=Started

[npolovenko]

@jh129666, I think you should be able to just have double quotes around activemq. I think the main problem was that you had single quotes on top of the double quotes. And because your command starts with a single quote as well, everything after the next single quote occurrence would get cut off. Change the command in npre.cfg to what it was before and try this:

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/usr/local/nagios/libexec/check_nrpe -H xxxxxxx -c check_jmx -a '-U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name="activemq" -A State'

[jh129666]

I tried double quotes around activemq and that doesn't work. If you look at the response below you can see that name=activemq, so even though I put double quotes around activemq in the command, it looks like name=activemq is what's being used.

/usr/local/nagios/libexec/check_nrpe -H xxxxxxxx -c check_jmx -a '-U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name="activemq" -A State'
JMX CRITICAL - org.apache.camel:context=camel-1,type=components,name=activemq

[lmiltchev]

Try changing the command on the remote box by wrapping the $ARG1$ in double quotes:

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command[check_jmx]=/usr/local/nagios/plugins/check_jmx "$ARG1$"

Save, exit and restart nrpe (or xinetd).

Test your command from the Nagios XI box:

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/usr/local/nagios/libexec/check_nrpe -H <client ip> -c check_jmx -a '-U service:jmx:rmi:///jndi/rmi://xxxxxxxx:1234/jmxrmi -O org.apache.camel:context=camel-1,type=components,name='"activemq"' -A State'

Did this help?

[jh129666]

No, that didn't work either.

command[check_jmx]=/usr/local/nagios/plugins/check_jmx "$ARG1$"

/usr/local/nagios/libexec/check_nrpe -H host -c check_jmx -a '-U service:jmx:rmi:///jndi/rmi://host:port/jmxrmi -O org.apache.camel:context=camel-1,type=components,name='"activemq"' -A State'
JMX UNKNOWN Required options not specified Usage: check_jmx -help