Merge branch 'add-ceph-io' into 'master'

Add ceph io

See merge request !1

iml_cephio.ini

+; ======================================================================
+;
+; Ceph IO
+;
+; show cheph IO in a single graph
+;
+; ----------------------------------------------------------------------
+; 2023-05-09  <axel.hahn@unibe.ch>  initial version
+; ======================================================================
+
+
+; ----------------------------------------------------------------------
+; graph
+; ----------------------------------------------------------------------
+
+[cephio.graph]
+check_command = "Ceph-IO"
+
+
+[cephio.urlparams]
+areaAlpha   = "0.2"
+; areaMode    = "first"
+areaMode    = "all"
+colorList   = "6699aa,cc66dd"
+;              ^      ^
+;              read   write
+lineWidth   = "2"
+min         = "0"
+yUnitSystem = "binary"
+
+
+[cephio.metrics_filters]
+write  = "$service_name_template$.perfdata.cephio-write.value"
+read   = "$service_name_template$.perfdata.cephio-read.value"
+
+
+
+[cephio.functions]
+write  = "alias($metric$, 'Write [byte/s]')"
+read   = "alias($metric$, 'Read [byte/s]')"

iml_netio.ini

 ; ======================================================================
 ;
-; CPU usage
+; Net IO
 ;
-; show usage and idle as graph and pie
+; show network usage in / out
 ;
 ; ----------------------------------------------------------------------
 ; 2020-03-23  <axel.hahn@iml.unibe.ch>  initial version