Currently, Kea 2.2.x is installed from Debian bookworm repo.
As we work through refining Kea installation in Circinus, we can switch to the latest stable Kea 2.4.x from Debian trixie repo instead to take benefit of bug fixes and improvements in Kea 2.4.x.
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Resolved | BUG | c-po | T421 Add Pv6 prefix delegation support | ||
| Open | BUG | None | T3315 Supports dhcpv6 agent execution from pppoe0 interface | ||
| Resolved | FEATURE REQUEST | sarthurdev | T3316 Use Kea DHCP(v6) instead of ISC DHCP(v6) | ||
| Resolved | FEATURE REQUEST | indrajitr | T5840 Upgrade Kea to 2.4.x |
After update it cannot pass the smoketest
vyos@r4:~$ /usr/libexec/vyos/tests/smoke/cli/test_service_dhcp-server.py
test_dhcp_exclude_in_range (__main__.TestServiceDHCPServer.test_dhcp_exclude_in_range) ... ok
test_dhcp_exclude_not_in_range (__main__.TestServiceDHCPServer.test_dhcp_exclude_not_in_range) ... ok
test_dhcp_failover (__main__.TestServiceDHCPServer.test_dhcp_failover) ... FAIL
test_dhcp_multiple_pools (__main__.TestServiceDHCPServer.test_dhcp_multiple_pools) ... ok
test_dhcp_relay_server (__main__.TestServiceDHCPServer.test_dhcp_relay_server) ... ok
test_dhcp_single_pool_options (__main__.TestServiceDHCPServer.test_dhcp_single_pool_options) ... ok
test_dhcp_single_pool_range (__main__.TestServiceDHCPServer.test_dhcp_single_pool_range) ... ok
test_dhcp_single_pool_static_mapping (__main__.TestServiceDHCPServer.test_dhcp_single_pool_static_mapping) ... ok
======================================================================
FAIL: test_dhcp_failover (__main__.TestServiceDHCPServer.test_dhcp_failover)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/libexec/vyos/tests/smoke/cli/test_service_dhcp-server.py", line 623, in test_dhcp_failover
self.assertTrue(process_named_running(CTRL_PROCESS_NAME))
AssertionError: None is not true
----------------------------------------------------------------------
Ran 8 tests in 34.208s
FAILED (failures=1)
vyos@r4:~$ sudo nano -c +623 /usr/libexec/vyos/tests/smoke/cli/test_service_dhcp-server.py
vyos@r4:~$
vyos@r4:~$ ps ax | grep dhcp
22293 pts/1 S+ 0:00 grep dhcp
vyos@r4:~$
vyos@r4:~$ show version all | match dhcp
ii isc-dhcp-client 4.4.3-P1-2 amd64 DHCP client for automatically obtaining an IP address
ii isc-dhcp-relay 4.4.3-P1-2 amd64 ISC DHCP relay daemon
ii kea-dhcp-ddns-server 2.4.1-1 amd64 DHCP Dynamic DNS service
ii kea-dhcp4-server 2.4.1-1 amd64 IPv4 DHCP server
ii kea-dhcp6-server 2.4.1-1 amd64 IPv6 DHCP server
ii wide-dhcpv6-client 20080615-23 amd64 DHCPv6 client for automatic IPv6 hosts configuration
vyos@r4:~$It binds port 647
set interfaces dummy dum8765 address '192.0.2.1/24' set service dhcp-server shared-network-name SMOKE-1 subnet 192.0.2.0/24 default-router '192.0.2.1' set service dhcp-server shared-network-name SMOKE-1 subnet 192.0.2.0/24 domain-name 'vyos.net' set service dhcp-server shared-network-name SMOKE-1 subnet 192.0.2.0/24 name-server '192.0.2.2' set service dhcp-server shared-network-name SMOKE-1 subnet 192.0.2.0/24 name-server '192.0.2.3' set service dhcp-server shared-network-name SMOKE-1 subnet 192.0.2.0/24 range 0 start '192.0.2.10' set service dhcp-server shared-network-name SMOKE-1 subnet 192.0.2.0/24 range 0 stop '192.0.2.20' set service dhcp-server failover name 'FLSRV' set service dhcp-server failover remote '192.0.2.5' set service dhcp-server failover source-address '192.0.2.1' set service dhcp-server failover status 'primary'
Check process, as I understand, there also an expected CTRL_PROCESS_NAME = 'kea-ctrl-agent'
vyos@r4# ps ax | grep -i kea | egrep -v grep 24368 ? Ssl 0:00 /usr/sbin/kea-dhcp4 -c /run/kea/kea-dhcp4.conf [edit]
But this process could be started. As 647 already is used. bind: Address already in use
vyos@r4# sudo /usr/sbin/kea-ctrl-agent -c /run/kea/kea-ctrl-agent.conf 2023-12-22 15:49:52.198 INFO [kea-ctrl-agent.dctl/24991.140552911800192] DCTL_STARTING Control-agent starting, pid: 24991, version: 2.4.1 (stable) 2023-12-22 15:49:52.198 ERROR [kea-ctrl-agent.dctl/24991.140552911800192] DCTL_PARSER_FAIL : unable to setup TCP acceptor for listening to the incoming HTTP requests: bind: Address already in use 2023-12-22 15:49:52.199 FATAL [kea-ctrl-agent.dctl/24991.140552911800192] DCTL_CONFIG_FILE_LOAD_FAIL Control-agent reason: unable to setup TCP acceptor for listening to the incoming HTTP requests: bind: Address already in use Service failed: Could Not load configuration file: unable to setup TCP acceptor for listening to the incoming HTTP requests: bind: Address already in use [edit] vyos@r4#
config
vyos@r4# sudo cat /run/kea/kea-ctrl-agent.conf
{
"Control-agent": {
"http-host": "192.0.2.1",
"http-port": 647,
"control-sockets": {
"dhcp4": {
"socket-type": "unix",
"socket-name": "/run/kea/dhcp4-ctrl-socket"
}
}
}
}[edit]
vyos@r4#
[edit]
vyos@r4#
[edit]
vyos@r4# sudo netstat -rulpn | grep 647
[edit]
vyos@r4# sudo netstat -tulpn | grep 647
tcp 0 0 192.0.2.1:647 0.0.0.0:* LISTEN 24899/kea-dhcp4
[edit]
vyos@r4#In the previous version
vyos@r4# ps ax | grep -i kea 5922 ? Ssl 0:00 /usr/sbin/kea-ctrl-agent -c /run/kea/kea-ctrl-agent.conf 5930 ? Ssl 0:00 /usr/sbin/kea-dhcp4 -c /run/kea/kea-dhcp4.conf 5988 pts/1 S+ 0:00 grep -i kea [edit] vyos@r4# run show version all | match kea ii kea 2.2.0-6 all DHCP server [meta] ii kea-admin 2.2.0-6 amd64 Administration utilities for Kea DHCP server ii kea-common 2.2.0-6 amd64 Common libraries for the Kea DHCP server ii kea-ctrl-agent 2.2.0-6 amd64 REST API service for Kea DHCP server ii kea-dhcp-ddns-server 2.2.0-6 amd64 DHCP Dynamic DNS service ii kea-dhcp4-server 2.2.0-6 amd64 IPv4 DHCP server ii kea-dhcp6-server 2.2.0-6 amd64 IPv6 DHCP server ii python3-kea-connector 2.2.0-6 all Python3 management connector for Kea DHCP server [edit] vyos@r4# vyos@r4# ls -la /run/kea total 16 drwxr-xr-x 2 _kea _kea 180 Dec 22 16:40 . drwxr-xr-x 40 root root 1260 Dec 22 16:35 .. srwxr-xr-x 1 _kea _kea 0 Dec 22 16:39 dhcp4-ctrl-socket -rw------- 1 _kea _kea 0 Dec 22 16:39 dhcp4-ctrl-socket.lock -rw-r--r-- 1 _kea _kea 267 Dec 22 16:39 kea-ctrl-agent.conf -rw-r--r-- 1 _kea _kea 5 Dec 22 16:39 kea-ctrl-agent.kea-ctrl-agent.pid -rw-r--r-- 1 root root 2997 Dec 22 16:39 kea-dhcp4.conf -rw-r--r-- 1 _kea _kea 5 Dec 22 16:39 kea-dhcp4.kea-dhcp4.pid -rw-rw---- 1 root root 0 Dec 22 16:40 logger_lockfile [edit] vyos@r4#
Also I found this log
Dec 22 16:50:32 r4 systemd[1]: kea-ctrl-agent.service - Kea Control Agent was skipped because of an unmet condition check (ConditionFileNotEmpty=/etc/kea/kea-api-password).