Disable ping on hosts/ips managed by metallb

Related to T4534

Test Plan

• pergamon:

diff origin/production/pergamon.softwareheritage.org current/pergamon.softwareheritage.org
*******************************************
  Concat::Fragment[icinga2::object::Host::ArgoCD Kubernetes cluster] =>
   parameters =>
     content =>
      @@ -7,3 +7,4 @@
         vars.dummy_state = 0
         vars.dummy_text = "HTTP-only host"
      +  vars.noping = true
       }
*******************************************
  Concat::Fragment[icinga2::object::Service::ping4] =>
   parameters =>
     content =>
      @@ -5,3 +5,4 @@
         check_command = "ping4"
         assign where host.address
      +  ignore where host.vars.noping
       }
*******************************************
  Concat_fragment[icinga2::object::Host::ArgoCD Kubernetes cluster] =>
   parameters =>
     content =>
      @@ -7,3 +7,4 @@
         vars.dummy_state = 0
         vars.dummy_text = "HTTP-only host"
      +  vars.noping = true
       }
*******************************************
  Concat_fragment[icinga2::object::Service::ping4] =>
   parameters =>
     content =>
      @@ -5,3 +5,4 @@
         check_command = "ping4"
         assign where host.address
      +  ignore where host.vars.noping
       }
  Icinga2::Object::Host[ArgoCD Kubernetes cluster] =>
   parameters =>
     vars =>
       noping =>
        + true
*******************************************
  Icinga2::Object::Service[ping4] =>
   parameters =>
     ignore =>
      - [ ]
      + ["host.vars.noping"]
*******************************************
  Icinga2::Object[icinga2::object::Host::ArgoCD Kubernetes cluster] =>
   parameters =>
     attrs =>
       vars =>
         noping =>
          + true
*******************************************
  Icinga2::Object[icinga2::object::Service::ping4] =>
   parameters =>
     ignore =>
      - [ ]
      + ["host.vars.noping"]
*******************************************
*** End octocatalog-diff on pergamon.softwareheritage.org

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Migrated from D8577 (view on Phabricator)