Memory

check_lxc_resources

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Description:

You can check your LXC containers memory and swap usages from the host machine with that check.

Current Version

1.0

Last Release Date

2014-08-24

Compatible With

  • Nagios 3.x
  • Nagios 4.x

Owner

Pierre Mavro

Website

https://github.com/deimosfr/nagios-check_lxc_resources

Download URL

https://github.com/deimosfr/nagios-check_lxc_resources/archive/master.zip

License

GPL

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Project Notes
Usage Usage : check_lxc_resources -h -n -w -c [-d] -h : set container name -n : set container namespace to check (memory|swap) -w : set warning percent alert -c : set critical percent alert -d : debug mode -help : print this message Output will looks like this for memory: memory usage is 42.95% (219M/512M) / 292M free / 177M cached And like this for swap: swap usage is 0.02% (0M/464M) / 463M free Configuration To make it work, you have to define this command: define command { command_name check_lxc_resources command_line /usr/lib/nagios/plugins/check_nrpe -H $_HOSTPARENT$ -c check_lxc_resources -a $HOSTALIAS$ $ARG2$ $ARG3$ $ARG4$ } $_HOSTPARENT$: this can be a defined macro to indicate the parent host (which is the host machine) You can use hostgroups templating: define hostgroup { hostgroup_name lxc alias lxc containers } define service{ use generic-service hostgroup_name lxc service_description Memory usage check_command check_lxc_resources!''!'memory'!90!95 } define service{ use generic-service hostgroup_name lxc service_description SWAP usage check_command check_lxc_resources!''!'swap'!2!5 } And then you can declare to your hosts: define host{ use generic-host,host-pnp host_name hostname.domain.com alias hostname address hostname.domain.com hostgroups lxc _PARENT parenthost.domain.com }
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