Fall back to using address6 when the address attribute is not set

fixes #8259

doc/7-icinga-template-library.md

@@ -86,7 +86,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-by_ssh_address  | **Optional.** The host's address. Defaults to "$address$".
+by_ssh_address  | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 by_ssh_port     | **Optional.** The SSH port. Defaults to 22.
 by_ssh_command  | **Optional.** The command that should be executed.
 by_ssh_logname  | **Optional.** The SSH username.
@@ -237,12 +237,32 @@ Custom Attributes:
 
 Name               | Description
 -------------------|--------------
-ftp_address        | **Optional.** The host's address. Defaults to "$address$".
+ftp_address        | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 
 
 ### <a id="plugin-check-command-hostalive"></a> hostalive
 
-Check command object for the `check_ping` plugin with host check default values.
+Check command object for the `check_ping` plugin with host check default values. This variant
+uses the host's `address` attribute if available and falls back to using the `address6` attribute
+if the `address` attribute is not set.
+
+Custom Attributes:
+
+Name            | Description
+----------------|--------------
+ping_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
+ping_wrta       | **Optional.** The RTA warning threshold in milliseconds. Defaults to 3000.
+ping_wpl        | **Optional.** The packet loss warning threshold in %. Defaults to 80.
+ping_crta       | **Optional.** The RTA critical threshold in milliseconds. Defaults to 5000.
+ping_cpl        | **Optional.** The packet loss critical threshold in %. Defaults to 100.
+ping_packets    | **Optional.** The number of packets to send. Defaults to 5.
+ping_timeout    | **Optional.** The plugin timeout in seconds. Defaults to 0 (no timeout).
+
+
+### <a id="plugin-check-command-hostalive4"></a> hostalive4
+
+Check command object for the `check_ping` plugin with host check default values. This variant
+uses the host's `address` attribute.
 
 Custom Attributes:
 
@@ -257,6 +277,24 @@ ping_packets    | **Optional.** The number of packets to send. Defaults to 5.
 ping_timeout    | **Optional.** The plugin timeout in seconds. Defaults to 0 (no timeout).
 
 
+### <a id="plugin-check-command-hostalive6"></a> hostalive6
+
+Check command object for the `check_ping` plugin with host check default values. This variant
+uses the host's `address6` attribute.
+
+Custom Attributes:
+
+Name            | Description
+----------------|--------------
+ping_address    | **Optional.** The host's IPv6 address. Defaults to "$address6$".
+ping_wrta       | **Optional.** The RTA warning threshold in milliseconds. Defaults to 3000.
+ping_wpl        | **Optional.** The packet loss warning threshold in %. Defaults to 80.
+ping_crta       | **Optional.** The RTA critical threshold in milliseconds. Defaults to 5000.
+ping_cpl        | **Optional.** The packet loss critical threshold in %. Defaults to 100.
+ping_packets    | **Optional.** The number of packets to send. Defaults to 5.
+ping_timeout    | **Optional.** The plugin timeout in seconds. Defaults to 0 (no timeout).
+
+
 ### <a id="plugin-check-command-hpjd"></a> hpjd
 
 Check command object for the `check_hpjd` plugin.
@@ -265,7 +303,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-hpjd_address    | **Optional.** The host's address. Defaults to "$address$".
+hpjd_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 hpjd_port       | **Optional.** The host's SNMP port. Defaults to 161.
 hpjd_community  | **Optional.** The SNMP community. Defaults  to "public".
 
@@ -278,7 +316,7 @@ Custom Attributes:
 
 Name                     | Description
 -------------------------|--------------
-http_address             | **Optional.** The host's address. Defaults to "$address".
+http_address             | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 http_vhost               | **Optional.** The virtual host that should be sent in the "Host" header.
 http_uri                 | **Optional.** The request URI.
 http_port                | **Optional.** The TCP port. Defaults to 80 when not using SSL, 443 otherwise.
@@ -341,7 +379,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-imap_address    | **Optional.** The host's address. Defaults to "$address$".
+imap_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 imap_port       | **Optional.** The port that should be checked. Defaults to 143.
 
 
@@ -369,7 +407,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-nrpe_address    | **Optional.** The host's address. Defaults to "$address$".
+nrpe_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 nrpe_port       | **Optional.** The NRPE port. Defaults to 5668.
 nrpe_command    | **Optional.** The command that should be executed.
 nrpe_no_ssl     | **Optional.** Whether to disable SSL or not. Defaults to `false`.
@@ -386,7 +424,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-nscp_address    | **Optional.** The host's address. Defaults to "$address$".
+nscp_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 nscp_port       | **Optional.** The NSClient++ port. Defaults to 12489.
 nscp_password   | **Optional.** The NSClient++ password.
 nscp_variable   | **Required.** The variable that should be checked.
@@ -404,7 +442,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-ntp_address     | **Optional.** The host's address. Defaults to "$address$".
+ntp_address     | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 
 
 ### <a id="plugin-check-command-passive"></a> passive
@@ -419,6 +457,25 @@ dummy_state     | **Optional.** The state. Can be one of 0 (ok), 1 (warning), 2
 dummy_text      | **Optional.** Plugin output. Defaults to "No Passive Check Result Received.".
 
 
+### <a id="plugin-check-command-ping"></a> ping
+
+Check command object for the `check_ping` plugin. This command uses the host's `address` attribute
+if available and falls back to using the `address6` attribute if the `address` attribute is not set.
+
+
+Custom Attributes:
+
+Name            | Description
+----------------|--------------
+ping_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
+ping_wrta       | **Optional.** The RTA warning threshold in milliseconds. Defaults to 100.
+ping_wpl        | **Optional.** The packet loss warning threshold in %. Defaults to 5.
+ping_crta       | **Optional.** The RTA critical threshold in milliseconds. Defaults to 200.
+ping_cpl        | **Optional.** The packet loss critical threshold in %. Defaults to 15.
+ping_packets    | **Optional.** The number of packets to send. Defaults to 5.
+ping_timeout    | **Optional.** The plugin timeout in seconds. Defaults to 0 (no timeout).
+
+
 ### <a id="plugin-check-command-ping4"></a> ping4
 
 Check command object for the `check_ping` plugin.
@@ -460,7 +517,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-pop_address     | **Optional.** The host's address. Defaults to "$address$".
+pop_address     | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 pop_port        | **Optional.** The port that should be checked. Defaults to 110.
 
 
@@ -505,7 +562,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-simap_address   | **Optional.** The host's address. Defaults to "$address$".
+simap_address   | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 simap_port      | **Optional.** The host's port.
 
 
@@ -517,7 +574,7 @@ Custom Attributes:
 
 Name                 | Description
 ---------------------|--------------
-smtp_address         | **Optional.** The host's address. Defaults to "$address$".
+smtp_address         | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 smtp_port            | **Optional.** The port that should be checked. Defaults to 25.
 smtp_mail_from       | **Optional.** Test a MAIL FROM command with the given email address.
 
@@ -530,7 +587,7 @@ Custom Attributes:
 
 Name                | Description
 --------------------|--------------
-snmp_address        | **Optional.** The host's address. Defaults to "$address$".
+snmp_address        | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmp_oid            | **Required.** The SNMP OID.
 snmp_community      | **Optional.** The SNMP community. Defaults to "public".
 snmp_warn           | **Optional.** The warning threshold.
@@ -551,7 +608,7 @@ Custom Attributes:
 
 Name              | Description
 ------------------|--------------
-snmpv3_address    | **Optional.** The host's address. Defaults to "$address$".
+snmpv3_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmpv3_user       | **Required.** The username to log in with.
 snmpv3_auth_alg   | **Optional.** The authentication algorithm. Defaults to SHA.
 snmpv3_auth_key   | **Required.** The authentication key.
@@ -570,7 +627,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-snmp_address    | **Optional.** The host's address. Defaults to "$address$".
+snmp_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmp_oid        | **Optional.** The SNMP OID. Defaults to "1.3.6.1.2.1.1.3.0".
 snmp_community  | **Optional.** The SNMP community. Defaults to "public".
 
@@ -583,7 +640,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-spop_address    | **Optional.** The host's address. Defaults to "$address$".
+spop_address    | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 spop_port       | **Optional.** The host's port.
 
 
@@ -595,7 +652,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-ssh_address     | **Optional.** The host's address. Defaults to "$address$".
+ssh_address     | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 ssh_port        | **Optional.** The port that should be checked. Defaults to 22.
 ssh_timeout     | **Optional.** Seconds before connection times out. Defaults to 10.
 
@@ -608,7 +665,7 @@ Custom Attributes:
 
 Name                          | Description
 ------------------------------|--------------
-ssl_address                   | **Optional.** The host's address. Defaults to "$address$".
+ssl_address                   | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 ssl_port                      | **Required.** The port that should be checked.
 ssl_timeout                   | **Optional.** Timeout in seconds for the connect and handshake. The plugin default is 10 seconds.
 ssl_cert_valid_days_warn      | **Optional.** Warning threshold for days before the certificate will expire. When used, ssl_cert_valid_days_critical must also be set.
@@ -623,7 +680,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-ssmtp_address   | **Required.** The host's address. Defaults to "$address$".
+ssmtp_address   | **Required.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 ssmtp_port      | **Optional.** The port that should be checked. Defaults to 465.
 
 
@@ -647,7 +704,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-tcp_address     | **Optional.** The host's address. Defaults to "$address$".
+tcp_address     | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 tcp_port        | **Required.** The port that should be checked.
 
 
@@ -659,7 +716,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-udp_address     | **Optional.** The host's address. Defaults to "$address$".
+udp_address     | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 udp_port        | **Required.** The port that should be checked.
 
 
@@ -671,7 +728,7 @@ Custom Attributes:
 
 Name            | Description
 ----------------|--------------
-ups_address     | **Optional.** The host's address. Defaults to "$address$".
+ups_address     | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 ups_name        | **Optional.** The UPS name. Defaults to `ups`.
 
 
@@ -737,7 +794,7 @@ Custom Attributes:
 
 Name                    | Description
 ------------------------|--------------
-snmp_address            | **Optional.** The host's address. Defaults to "$address$".
+snmp_address            | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmp_nocrypt            | **Optional.** Define SNMP encryption. If set **snmp_v3** needs to be set. Defaults to "false".
 snmp_community          | **Optional.** The SNMP community. Defaults to "public".
 snmp_port               | **Optional.** The SNMP port connection.
@@ -762,7 +819,7 @@ Custom Attributes:
 
 Name                    | Description
 ------------------------|--------------
-snmp_address            | **Optional.** The host's address. Defaults to "$address$".
+snmp_address            | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmp_nocrypt            | **Optional.** Define SNMP encryption. If set **snmp_v3** needs to be set. Defaults to "false".
 snmp_community          | **Optional.** The SNMP community. Defaults to "public".
 snmp_port               | **Optional.** The SNMP port connection.
@@ -786,7 +843,7 @@ Custom Attributes:
 
 Name                    | Description
 ------------------------|--------------
-snmp_address            | **Optional.** The host's address. Defaults to "$address$".
+snmp_address            | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmp_nocrypt            | **Optional.** Define SNMP encryption. If set **snmp_v3** needs to be set. Defaults to "false".
 snmp_community          | **Optional.** The SNMP community. Defaults to "public".
 snmp_port               | **Optional.** The SNMP port connection.
@@ -811,7 +868,7 @@ Custom Attributes:
 
 Name                        | Description
 ----------------------------|--------------
-snmp_address                | **Optional.** The host's address. Defaults to "$address$".
+snmp_address                | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmp_nocrypt                | **Optional.** Define SNMP encryption. If set **snmp_v3** needs to be set. Defaults to "false".
 snmp_community              | **Optional.** The SNMP community. Defaults to "public".
 snmp_port                   | **Optional.** The SNMP port connection.
@@ -847,7 +904,7 @@ Custom Attributes:
 
 Name                    | Description
 ------------------------|--------------
-snmp_address            | **Optional.** The host's address. Defaults to "$address$".
+snmp_address            | **Optional.** The host's address. Defaults to "$address$" or "$address6$" if the `address` attribute is not set.
 snmp_nocrypt            | **Optional.** Define SNMP encryption. If set **snmp_v3** needs to be set. Defaults to "false".
 snmp_community          | **Optional.** The SNMP community. Defaults to "public".
 snmp_port               | **Optional.** The SNMP port connection.

etc/icinga2/conf.d/services.conf

@@ -49,7 +49,7 @@ apply Service "ssh" {
 
   check_command = "ssh"
 
-  assign where host.address && host.vars.os == "Linux"
+  assign where (host.address || host.address6) && host.vars.os == "Linux"
   ignore where host.name == "localhost" /* for upgrade safety */
 }
 

itl/command-plugins-manubulon.conf

@@ -23,6 +23,7 @@
 
 template CheckCommand "snmp-manubulon-command" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	arguments = {
 		"-H" = "$snmp_address$"
@@ -56,7 +57,7 @@ template CheckCommand "snmp-manubulon-command" {
 		"-t" = "$snmp_timeout$"
 	}
 
-	vars.snmp_address = "$address$"
+	vars.snmp_address = "$check_address$"
 	vars.snmp_nocrypt = true
 	vars.snmp_community = "public"
 	vars.snmp_v2 = false

itl/command-plugins.conf

@@ -17,6 +17,19 @@
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  ******************************************************************************/
 
+template CheckCommand "ipv4-or-ipv6" {
+	vars.check_address = {{
+		var addr_v4 = macro("$address$")
+		var addr_v6 = macro("$address6$")
+
+		if (addr_v4) {
+			return addr_v4
+		} else {
+			return addr_v6
+		}
+	}}
+}
+
 template CheckCommand "ping-common" {
 	import "plugin-check-command"
 
@@ -36,6 +49,13 @@ template CheckCommand "ping-common" {
 	vars.ping_cpl = 15
 }
 
+object CheckCommand "ping" {
+	import "ping-common"
+	import "ipv4-or-ipv6"
+
+	vars.ping_address = "$check_address$"
+}
+
 object CheckCommand "ping4" {
 	import "ping-common"
 
@@ -52,9 +72,7 @@ object CheckCommand "ping6" {
 	vars.ping_address = "$address6$"
 }
 
-object CheckCommand "hostalive" {
+template CheckCommand "hostalive-common" {
-	import "ping4"
-
 	vars.ping_wrta = 3000.0
 	vars.ping_wpl = 80
 
@@ -62,6 +80,21 @@ object CheckCommand "hostalive" {
 	vars.ping_cpl = 100
 }
 
+object CheckCommand "hostalive" {
+	import "ping"
+	import "hostalive-common"
+}
+
+object CheckCommand "hostalive4" {
+	import "ping4"
+	import "hostalive-common"
+}
+
+object CheckCommand "hostalive6" {
+	import "ping6"
+	import "hostalive-common"
+}
+
 template CheckCommand "fping-common" {
 	import "plugin-check-command"
 
@@ -127,6 +160,7 @@ object CheckCommand "passive" {
 
 object CheckCommand "tcp" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [
 		PluginDir + "/check_tcp",
@@ -134,11 +168,12 @@ object CheckCommand "tcp" {
 		"-p", "$tcp_port$"
 	]
 
-	vars.tcp_address = "$address$"
+	vars.tcp_address = "$check_address$"
 }
 
 object CheckCommand "ssl" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_tcp" ]
 
@@ -150,11 +185,12 @@ object CheckCommand "ssl" {
 		"-D" = "$ssl_cert_valid_days_warn$,$ssl_cert_valid_days_critical$"
 	}
 
-	vars.ssl_address = "$address$"
+	vars.ssl_address = "$check_address$"
 }
 
 object CheckCommand "udp" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [
 		PluginDir + "/check_udp",
@@ -162,11 +198,12 @@ object CheckCommand "udp" {
 		"-p", "$udp_port$"
 	]
 
-	vars.udp_address = "$address$"
+	vars.udp_address = "$check_address$"
 }
 
 object CheckCommand "http" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_http" ]
 
@@ -276,7 +313,7 @@ object CheckCommand "http" {
 		}
 	}
 
-	vars.http_address = "$address$"
+	vars.http_address = "$check_address$"
 	vars.http_ssl = false
 	vars.http_sni = false
 	vars.http_linespan = false
@@ -285,6 +322,7 @@ object CheckCommand "http" {
 
 object CheckCommand "ftp" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_ftp" ]
 
@@ -292,11 +330,12 @@ object CheckCommand "ftp" {
 		"-H" = "$ftp_address$"
 	}
 
-	vars.ftp_address = "$address$"
+	vars.ftp_address = "$check_address$"
 }
 
 object CheckCommand "smtp" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_smtp" ]
 
@@ -306,11 +345,12 @@ object CheckCommand "smtp" {
 		"-f" = "$smtp_mail_from$"
 	}
 
-	vars.smtp_address = "$address$"
+	vars.smtp_address = "$check_address$"
 }
 
 object CheckCommand "ssmtp" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_ssmtp" ]
 	arguments = {
@@ -318,11 +358,12 @@ object CheckCommand "ssmtp" {
 		"-p" = "$ssmtp_port$"
 	}
 
-	vars.ssmtp_address = "$address$"
+	vars.ssmtp_address = "$check_address$"
 }
 
 object CheckCommand "imap" {
   	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
   	command = [ PluginDir + "/check_imap" ]
 
@@ -331,11 +372,12 @@ object CheckCommand "imap" {
 		"-p" = "$imap_port$"
 	}
 
-  	vars.imap_address = "$address$"
+  	vars.imap_address = "$check_address$"
 }
 
 object CheckCommand "simap" {
   	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	  command = [ PluginDir + "/check_simap" ]
 
@@ -344,11 +386,12 @@ object CheckCommand "simap" {
 		"-p" = "$simap_port$"
 	}
 
-	vars.simap_address = "$address$"
+	vars.simap_address = "$check_address$"
 }
 
 object CheckCommand "pop" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
   	command = [ PluginDir + "/check_pop" ]
 
@@ -357,11 +400,12 @@ object CheckCommand "pop" {
 		"-p" = "$pop_port$"
 	}
 
-	vars.pop_address = "$address$"
+	vars.pop_address = "$check_address$"
 }
 
 object CheckCommand "spop" {
   	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_spop" ]
 
@@ -370,11 +414,12 @@ object CheckCommand "spop" {
 		"-p" = "$spop_port$"
 	}
 
-	vars.spop_address = "$address$"
+	vars.spop_address = "$check_address$"
 }
 
 object CheckCommand "ntp_time" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_ntp_time" ]
 
@@ -382,11 +427,12 @@ object CheckCommand "ntp_time" {
 		"-H" = "$ntp_address$"
 	}
 
-	vars.ntp_address = "$address$"
+	vars.ntp_address = "$check_address$"
 }
 
 object CheckCommand "ssh" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_ssh" ]
 
@@ -400,7 +446,7 @@ object CheckCommand "ssh" {
 		}
 	}
 
-	vars.ssh_address = "$address$"
+	vars.ssh_address = "$check_address$"
 }
 
 object CheckCommand "disk" {
@@ -672,6 +718,7 @@ object CheckCommand "load" {
 
 object CheckCommand "snmp" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_snmp" ]
 
@@ -693,7 +740,7 @@ object CheckCommand "snmp" {
 		}
 	}
 
-	vars.snmp_address = "$address$"
+	vars.snmp_address = "$check_address$"
 	vars.snmp_community = "public"
 	vars.snmp_invert_search = false
 	vars.snmp_timeout = "10"
@@ -701,6 +748,7 @@ object CheckCommand "snmp" {
 
 object CheckCommand "snmpv3" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_snmp" ]
 
@@ -719,7 +767,7 @@ object CheckCommand "snmpv3" {
 		"-l" = "$snmpv3_label$"
 	}
 
-	vars.snmpv3_address = "$address$"
+	vars.snmpv3_address = "$check_address$"
 	vars.snmpv3_auth_alg = "SHA"
 	vars.snmpv3_priv_alg = "AES"
 }
@@ -757,6 +805,7 @@ object CheckCommand "dhcp" {
 
 object CheckCommand "dns" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_dns" ]
 
@@ -774,11 +823,12 @@ object CheckCommand "dns" {
 	}
 
 	vars.dns_lookup = "$host_name$"
-	vars.dns_expected_answer = "$address$"
+	vars.dns_expected_answer = "$check_address$"
 }
 
 object CheckCommand "dig" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_dig" ]
 
@@ -787,11 +837,12 @@ object CheckCommand "dig" {
 		"-l" = "$dig_lookup$"
 	}
 
-	vars.dig_server = "$address$"
+	vars.dig_server = "$check_address$"
 }
 
 object CheckCommand "nscp" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_nt" ]
 
@@ -812,12 +863,13 @@ object CheckCommand "nscp" {
 		"-t" = "$nscp_timeout$"
 	}
 
-	vars.nscp_address = "$address$"
+	vars.nscp_address = "$check_address$"
 	vars.nscp_port = 12489
 }
 
 object CheckCommand "by_ssh" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_by_ssh" ]
 
@@ -835,12 +887,13 @@ object CheckCommand "by_ssh" {
 		"-t" = "$by_ssh_timeout$"
 	}
 
-	vars.by_ssh_address = "$address$"
+	vars.by_ssh_address = "$check_address$"
 	vars.by_ssh_quiet = false
 }
 
 object CheckCommand "ups" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_ups" ]
 
@@ -849,12 +902,13 @@ object CheckCommand "ups" {
 		"-u" = "$ups_name$"
 	}
 
-	vars.ups_address = "$address$"
+	vars.ups_address = "$check_address$"
 	vars.ups_name = "ups"
 }
 
 object CheckCommand "nrpe" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_nrpe" ]
 
@@ -878,7 +932,7 @@ object CheckCommand "nrpe" {
 		}
 	}
 
-	vars.nrpe_address = "$address$"
+	vars.nrpe_address = "$check_address$"
 	vars.nrpe_no_ssl = false
 	vars.nrpe_timeout_unknown = false
 
@@ -887,6 +941,7 @@ object CheckCommand "nrpe" {
 
 object CheckCommand "hpjd" {
 	import "plugin-check-command"
+	import "ipv4-or-ipv6"
 
 	command = [ PluginDir + "/check_hpjd" ]
 
@@ -896,7 +951,7 @@ object CheckCommand "hpjd" {
 		"-p" = "$hpjd_port$"
 	}
 
-	vars.hpjd_address = "$address$"
+	vars.hpjd_address = "$check_address$"
 }
 
 object CheckCommand "icmp" {