icinga2/doc/6.05-domains.md

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Domains

A Service object can be restricted using the domains attribute array specifying endpoint privileges. A Domain object specifices the ACLs applied for each Endpoint.

The following example assigns the domain dmz-db to the service dmz-oracledb. Endpoint icinga-node-dmz-1 does not allow any object modification (no commands, check results) and only relays local messages to the remote node(s). The endpoint icinga-node-dmz-2 processes all messages read and write (accept check results, commands and also relay messages to remote nodes).

That way the service dmz-oracledb on endpoint icinga-node-dmz-1 will not be modified by any cluster event message, and could be checked by the local authority too presenting a different state history. icinga-node-dmz-2 still receives all cluster message updates from the icinga-node-dmz-1 endpoint.

object Host "dmz-host1" inherits "generic-host" {
  services["dmz-oracledb"] = {
    templates = [ "generic-service" ],
    domains = [ "dmz-db" ],
    authorities = [ "icinga-node-dmz-1", "icinga-node-dmz-2"],
  }
}

object Domain "dmz-db" {
  acl = {
    icinga-node-dmz-1 = DomainPrivReadOnly,
    icinga-node-dmz-2 = DomainPrivReadWrite
  }
}