monitoring - How to declare a variable and reuse it in icinga2 hosts section? -


for use below config icinga2 host server work:

vars.health_check["my_module1"]={    host = "health_check_server_url"    module = "my_module1" }  vars.health_check["my_module2"]={    host = "health_check_server_url"    module = "my_module2" }

the problem see have redeclare same host address. when put host address outside of service below, not work , reloading of icinga2 fails: 

   end_url = "health_check_server_url"    vars.health_check["my_module1"]={        host = "$end_url$"        module = "my_module1"     }      vars.health_check["my_module2"]={        host = "$end_url$"        module = "my_module2"     }

i tried use vars.end_url again same scenario. how should declare variable in icinga2.

you can use host's address $address$ if host's address url resolves should work like:

end_url = "health_check_server_url"    vars.health_check["my_module1"]={        host = "$address$"        module = "my_module1"     }      vars.health_check["my_module2"]={        host = "$address$"        module = "my_module2"     }

have looked icinga2 director?. it's handy , host configs more managed. also, monitoring-portal.org resource icinga community.

if use director can make clone of command , set arguments variables $end_url$ create field. can add field template(import) , enter once there.

for example use method snmp community strings. have field $snmp_community$ attached our templates. in command need community use variable. how icinga2 knows our lan distro's community strings, , if need change change once.

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