Differences

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--- services:nagios [2016/06/29 21:32] – dgalloway
+++ services:nagios [2022/06/29 17:25] (current) – [LRC Health] djgalloway
@@ Line 1: / Line 1: @@
-====== WIP - Nagios ======
+====== Nagios ======
 ===== Summary =====
-We have a nagios instance at ''nagios.front.sepia.ceph.com''.  Alerts for testnodes are sent to ceph-infra AT redhat DOT com while alerts for production services are sent to dmick and dgalloway.
+We have a nagios instance at ''nagios.front.sepia.ceph.com''.  Alerts for testnodes are sent to ceph-infra AT redhat DOT com while alerts for production services are sent to dmick and dgalloway.  Alfredo and Andrew also get alerts for the Jenkins CI stuff.
+NRPE is configured on nagios-monitored hosts using the common role in [[services:ceph-cm-ansible|ceph-cm-ansible]].
 ===== Checks =====
-Load, Disk Space, and HTTP are built-in Nagios checks performed on applicable host.
+Load, Disk Space, and HTTP are built-in Nagios checks performed on applicable host.  Some of these are configurable and found in ''/etc/nagios-plugins/config/''.
 ** [[https://github.com/ceph/ceph-cm-ansible/blob/master/roles/testnode/files/libexec/smart.sh|SMART]] **
@@ Line 13: / Line 15: @@
 Calls ''/usr/libexec/raid.pl'' on applicable hosts.
+==== LRC Health ====
+This checks in with reesi001 where a [[https://github.com/valerytschopp/ceph-nagios-plugins|custom nagios plugin]] is in place.  It currently whitelists 'failing to respond to cache pressure' when anything but ''HEALTH_OK'' is returned.
+<code>
+root@reesi001:~# tail -n 1 /etc/nagios/nrpe_local.cfg
+command[check_ceph_health]=/usr/lib/nagios/plugins/ceph-nagios-plugins/src/check_ceph_health --name client.nagios -k /etc/ceph/client.nagios.keyring --whitelist 'failing to respond to cache pressure'
+</code>