Merge pull request #6034 from Icinga/fix/itl-by-ssh-option-4094

ITL by_ssh add -E parameter

doc/10-icinga-template-library.md

@@ -223,6 +223,7 @@ by_ssh_timeout  | **Optional.** The timeout in seconds.
 by_ssh_options     | **Optional.** Call ssh with '-o OPTION' (multiple options may be specified as an array).
 by_ssh_ipv4        | **Optional.** Use IPv4 connection. Defaults to false.
 by_ssh_ipv6        | **Optional.** Use IPv6 connection. Defaults to false.
+by_ssh_skip_stderr | **Optional.** Ignore all or (if specified) first n lines on STDERR.
 
 
 ### clamd <a id="plugin-check-command-clamd"></a>

itl/command-plugins.conf

@@ -2207,6 +2207,10 @@ object CheckCommand "by_ssh" {
 			set_if = "$by_ssh_ipv6$"
 			description = "Use IPv6 only"
 		}
+		"-E" = {
+			value = "$by_ssh_skip_stderr$"
+			description = "Ignore all or (if specified) first n lines on STDERR [optional]"
+		}
 	}
 
 	vars.by_ssh_address = "$check_address$"