| Property |
Description |
| Hosts/host_name |
The host name |
| Hosts/cluster_name |
The name of the parent cluster |
| Hosts/ip |
The host ip address |
| Hosts/total_mem |
The total memory available on the host |
| Hosts/cpu_count |
The cpu count of the host |
| Hosts/os_arch |
The OS architechture of the host (e.g. x86_64) |
| Hosts/os_type |
The OS type of the host (e.g. centos6) |
| Hosts/rack_info |
The rack info of the host |
| Hosts/last_heartbeat_time |
The time of the last heartbeat from the host in milliseconds since Unix epoch |
| Hosts/last_agent_env |
Environment information from the host |
| Hosts/last_registration_time |
The time of the last registration of the host in milliseconds since Unix epoc |
| Hosts/disk_info |
The host disk information |
| Hosts/host_status |
The host status (UNKNOWN, HEALTHY, UNHEALTHY) |
| Hosts/public_host_name |
The public host name. Note that this property is typically populated during the creation of the host resource in a way that is particular to the environment. If the public hostname can not be determined then it will be the same as the host_name property. |
| Hosts/host_state |
The host state |
| Hosts/desired_configs |
The desired configurations |
###States
The current state of a host resource can be determined by looking at the Hosts/host_state property.
GET api/v1/clusters/c1/hosts/h1?fields=Hosts/host_state
200 OK
{
"href" : "your.ambari.server/api/v1/clusters/c1/hosts/h1?fields=Hosts/host_state",
"Hosts" : {
"cluster_name" : "c1",
"host_state" : "HEALTHY",
"host_name" : "h1"
}
}
The following table lists the possible values of the host resource Hosts/host_state.