check-k8s

The checks are mostly orientated by the offical nagios guidelines

Default Flags

flag	short	description
critical	c	defines a threshold for a critical return status
warning	w	defines a threshold for a critical return status
namespace	n	the namespace of the kubernetes resource
result	r	the service status if the check fails
duration	d	if you want to specify a duration where something must happen. https://golang.org/pkg/time/#ParseDuration
string	s	if you want to check if a property has a concrete value

Thresholds

https://nagios-plugins.org/doc/guidelines.html#THRESHOLDFORMAT

Range definition	Generate an alert if x...
10	< 0 or > 10, (outside the range of {0 .. 10})
10:	< 10, (outside {10 .. ∞})
~:10	> 10, (outside the range of {-∞ .. 10})
10:20	< 10 or > 20, (outside the range of {10 .. 20})
@10:20	≥ 10 and ≤ 20, (inside the range of {10 .. 20}