Kea DHCP : Use Kea Control Agent2025/03/12 |
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To start Kea control agent, it allows you to manage Kea DHCP via API. |
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| [1] | Start Kea control agent. |
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[root@dlp ~]#
vi /etc/kea/kea-dhcp4.conf
"Dhcp4": {
# add follows
"control-socket": {
"socket-type": "unix",
"socket-name": "/tmp/kea4-ctrl-socket"
},
.....
.....
[root@dlp ~]#
vi /etc/kea/kea-ctrl-agent.conf
# line 20 : listening IP address
"http-host": "127.0.0.1",
# line 27 : listening port
"http-port": 8000,
[root@dlp ~]# systemctl reload kea-dhcp4 [root@dlp ~]# systemctl enable --now kea-ctrl-agent |
| [2] | If Firewalld is running and also you use API from other hosts, allow service port. |
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[root@dlp ~]# firewall-cmd --add-port=8000/tcp success [root@dlp ~]# firewall-cmd --runtime-to-permanent success |
| [3] | This is an example of using command via API. |
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[root@dlp ~]# curl -s -H "Content-Type: application/json" -d '{"command": "list-commands", "service": ["dhcp4"]}' localhost:8000 | jq
[
{
"arguments": [
"build-report",
"config-backend-pull",
"config-get",
"config-hash-get",
"config-reload",
"config-set",
"config-test",
"config-write",
"dhcp-disable",
"dhcp-enable",
"leases-reclaim",
"list-commands",
"server-tag-get",
"shutdown",
"statistic-get",
"statistic-get-all",
"statistic-remove",
"statistic-remove-all",
"statistic-reset",
"statistic-reset-all",
"statistic-sample-age-set",
"statistic-sample-age-set-all",
"statistic-sample-count-set",
"statistic-sample-count-set-all",
"status-get",
"version-get"
],
"result": 0
}
]
[root@dlp ~]# curl -s -H "Content-Type: application/json" -d '{"command": "config-get", "service": ["dhcp4"]}' localhost:8000 | jq
[
{
"arguments": {
"Dhcp4": {
"allocator": "iterative",
"authoritative": false,
"boot-file-name": "",
"calculate-tee-times": false,
"control-socket": {
"socket-name": "/tmp/kea4-ctrl-socket",
"socket-type": "unix"
},
.....
.....
[root@dlp ~]# curl -s -H "Content-Type: application/json" -d '{"command": "statistic-get-all", "service": ["dhcp4"]}' localhost:8000 | jq
[
{
"arguments": {
"cumulative-assigned-addresses": [
[
11,
"2025-03-12 12:43:34.156426"
],
[
10,
"2025-03-12 12:41:33.912558"
],
[
9,
"2025-03-12 12:37:35.943072"
],
.....
.....
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