Hi!
I noticed a few mistakes. The unit description in the DHCPv6 service file is
wrong and StandardOutput is specified in the DHCPv6 and DDNS service files but
they can be deleted, journald already captures stdout and stderr.
I hope the service files will work for you after you've adapted them to your
system.
All suggestions are welcome!
Tobias
From: loksk...@live.se
To: todsi...@cisco.com
CC: kea-users@lists.isc.org
Subject: RE: [Kea-users] Auto start
Date: Thu, 21 Jul 2016 05:08:40 +0200
Hi Todd!
I've tried to do the same thing. I tried to adapt Kea to systemd but I was
unable to get satisfying results using keactrl so I opted to skip that step and
run the services directly and I wrote a service file for each one. I also
changed the logger configuration to output all logging information to /dev/log
and let journald handle it, allowing me to use the features of journald. The
Kea services expect logger_lockfile to exist even if the logger has been
configured to just print to /dev/log, so I added two ExecStartPre commands.
Kea shouldn't handle the logging, it should let syslogd or journald handle it,
they both use the same interface and is compatible with both BSD and Linux. If
you have journald (I believe that all distrubutions with systemd do) then I
recommend that you take advantage of it by pointing the output in the logger
configuration in kea.conf to /dev/log. For anyone who doesn't use journald then
I highly recommend that you also configure the logging daemon to put the output
of kea into separate log files which is a common practice.
Here are the results (also sent as attachments):
----- kea-dhcp4.service -----
[Unit]
Description=ISC Kea DHCPv4 server
Documentation=man:kea-dhcp4(8)
Wants=network.target
[Service]
user=kea
ProtectSystem=full
ProtectHome=true
ExecStartPre=/usr/bin/mkdir -p /var/run/kea/
ExecStartPre=/usr/bin/touch /var/run/kea/logger_lockfile
ExecStart=/usr/bin/kea-dhcp4 -c /etc/kea/kea.conf
ExecReload=/usr/bin/kill --signal SIGHUP ${MAINPID}
Restart=always
RestartSec=5s
[Install]
WantedBy=multi-user.target
----- EOF -----
----- kea-dhcp6.service -----
[Unit]
Description=ISC Kea DHCPv4 server
Documentation=man:kea-dhcp6(8)
Wants=network.target
[Service]
user=kea
ProtectSystem=full
ProtectHome=true
ExecStartPre=/usr/bin/mkdir -p /var/run/kea/
ExecStartPre=/usr/bin/touch /var/run/kea/logger_lockfile
ExecStart=/usr/bin/kea-dhcp6 -c /etc/kea/kea.conf
ExecReload=/usr/bin/kill --signal SIGHUP ${MAINPID}
Restart=always
RestartSec=5s
[Install]
WantedBy=multi-user.target
----- EOF -----
----- kea-dhcp-ddns.service -----
[Unit]
Description=ISC Kea DHCP-DDNS server
Documentation=man:kea-dhcp-ddns(8)
Wants=network.target
[Service]
user=kea
ProtectSystem=full
ProtectHome=true
ExecStartPre=/usr/bin/mkdir -p /var/run/kea/
ExecStartPre=/usr/bin/touch /var/run/kea/logger_lockfile
ExecStart=/usr/bin/kea-dhcp-ddns -c /etc/kea/kea.conf
ExecReload=/usr/bin/kill --signal SIGHUP ${MAINPID}
Restart=always
RestartSec=5s
[Install]
WantedBy=multi-user.target
----- EOF -----
Tobias
From: todsi...@cisco.com
To: klausfi...@gmail.com
Date: Thu, 21 Jul 2016 01:26:55 +0000
Subject: Re: [Kea-users] Auto start
CC: kea-users@lists.isc.org
Klaus,
Thanks for the info. I did try the following:
Added a new user: adduser kea -s /sbin/nologin
Created the file: /etc/systemd/system/kea.service
[Unit]
Description=kea Service
After=network.target
[Service]
Type=simple
User=kea
ExecStart=/usr/local/sbin/keactrl start
Restart=on-abort
[Install]
WantedBy=multi-user.target
Then I type this command: systemctl start kea
Then I check it with this command: systemctl status kea
[root@localhost todsimmo]# systemctl status kea
‚óè kea.service - kea Service
Loaded: error (Reason: Invalid argument)
Active: failed (Result: exit-code) since Wed 2016-07-20 14:01:45 CDT; 5min
ago
Main PID: 4111 (code=exited, status=1/FAILURE)
I’ve also tried calling the kea-dhcp4 command, but it doesn’t work either.
Any help is appreciated,
Todd
From: Klaus Steden <klausfi...@gmail.com>
Date: Wednesday, July 20, 2016 at 9:13 PM
To: Todd Simmons <todsi...@cisco.com>
Cc: "kea-users@lists.isc.org" <kea-users@lists.isc.org>
Subject: Re: [Kea-users] Auto start
CentOS 7 uses systemd. I'm by no means an expert on it, but you may be able to
shoehorn systemd into thinking that it's a managed service (there's apparently
legacy support for SVR4-style init scripts) using systemctl. Again, being still
new to systemd
myself, I can't really offer much useful advice beyond that, but that's where
I'd start looking.
hth,
Klaus
On Wed, Jul 20, 2016 at 5:25 PM, Todd Simmons (todsimmo)
<todsi...@cisco.com> wrote:
Kea Users,
I’m on CentOS 7 running the Kea 1.0.0 server without issues. My only problem
is that if my system is shutdown or rebooted I have to manually run “keactrl
start” to get the server running again. What options do I have to have the
DHCP server startup automatically?
I tried chkconfig, but keactrl or the kea-dhcp4/6 are not listed as services.
Thanks for the help,
Todd
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