zulip/puppet/zulip_ops/templates/nagios4/hosts.cfg.template.erb

<% @hosts_fullstack.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>
       hostgroups       all,non_aws_host,web,frontends,not_pageable_servers,postgresql,postgresql_primary
       }
<% end -%>

<% @hosts_app_prod.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,aws_host,web,prod_frontends,pageable_servers
       }
<% end -%>

<% @hosts_app_staging.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,aws_host,web,staging_frontends,not_pageable_servers
       }
<% end -%>

<% @hosts_zmirror.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,non_aws_host,zmirror,flaky_servers
       }
<% end -%>

<% @hosts_zmirrorp.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,non_aws_host,zmirrorp,flaky_servers
       }
<% end -%>

<% @hosts_postgresql_primary.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,aws_host,postgresql,postgresql_primary,pageable_servers
       }
<% end -%>

<% @hosts_postgresql_replica.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,aws_host,postgresql,pageable_servers
       }
<% end -%>

<% @hosts_redis.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,aws_host,not_pageable_servers, redis
       }
<% end -%>

<% @hosts_smokescreen.each do |host| -%>
define host{
       use              generic-host
       host_name        <%= host %>
       alias            <%= host %>
       address          <%= host %>.<%= @default_host_domain %>
       hostgroups       all,aws_host,pageable_servers,smokescreen
       }
<% end -%>