[Kea-users] ISC-KEA with MariaDB on Debian Buster Startup Sequence
perl-list
perl-list at network1.net
Wed Sep 22 14:04:04 UTC 2021
I think you just want to have one After= line like so:
After=network-online.target time-sync.target mysql.service mariadb.service
at least thats how the radiusd.service file was on our server here. This is on Redhat Enterprise Linux 8.x but it should be similar systemd implementations.
----- Original Message -----
> From: "PeterP" <looms_pastels_0f_kea at icloud.com>
> To: "kea-users" <kea-users at lists.isc.org>
> Sent: Wednesday, September 22, 2021 9:44:02 AM
> Subject: Re: [Kea-users] ISC-KEA with MariaDB on Debian Buster Startup Sequence
> Made the change and rebooted and it seems to have worked.
> File is "/usr/lib/systemd/system/isc-kea-dhcp4-server.service". Not absolutely
> sure this is the right file but it does seem to work.
> Now looks like ...
> [Unit]
> Description=Kea IPv4 DHCP daemon
> Documentation=man:kea-dhcp4(8)
> Wants=network-online.target
> After=network-online.target
> After=time-sync.target
> After=mysql.service
> After=mariadb.service
> [Service]
> User=_kea
> AmbientCapabilities=CAP_NET_BIND_SERVICE CAP_NET_RAW
> Environment="KEA_PIDFILE_DIR=/run/kea"
> Environment="KEA_LOCKFILE_DIR=/run/lock/kea"
> Environment="KEA_LOGGER_DESTINATION=/var/log/kea"
> ConfigurationDirectory=kea
> RuntimeDirectory=kea lock/kea
> RuntimeDirectoryPreserve=yes
> LogsDirectory=kea
> LogsDirectoryMode=0750
> StateDirectory=kea
> ExecStart=/usr/sbin/kea-dhcp4 -c /etc/kea/kea-dhcp4.conf
> ExecReload=/bin/kill -HUP $MAINPID
> [Install]
> WantedBy=multi-user.target
> Thank you,
> PeterP.
>> On 22 Sep 2021, at 14:35, perl-list <perl-list at network1.net> wrote:
>> find /etc/ | grep isc-kea-dhcp4-server.service
>> its in there somewhere I assume :)
>> ----- Original Message -----
>>> From: "PeterP" <looms_pastels_0f_kea at icloud.com>
>>> To: "kea-users" <kea-users at lists.isc.org>
>>> Sent: Wednesday, September 22, 2021 9:32:58 AM
>>> Subject: Re: [Kea-users] ISC-KEA with MariaDB on Debian Buster Startup Sequence
>>> Hello,
>>> Thank you, that aligns with what I had previously read, but I was struggling to
>>> work out how to express the relevant commands.
>>> I'll try your "After" clause in my isc-kea-dhcp4-server.service file (when I
>>> find it) with the mysql.service and mariadb.service service entries only.
>>> Regards,
>>> PeterP
>>>> On 22 Sep 2021, at 14:26, perl-list <perl-list at network1.net> wrote:
>>>> I don't know for sure as I have so far managed to largely avoid "systemd" but do
>>>> have some small experience with it.
>>>> radiusd.service on one of my servers has this:
>>>> After=syslog.target network-online.target ipa.service dirsrv.target
>>>> krb5kdc.service mysql.service mariadb.service postgresql.service
>>>> meaning all of those .target or .service files would need to finish before it
>>>> starts radiusd.service
>>>> You can probably tailor your After= line to be more relevant to your
>>>> configuration.
>>>> Someone correct me if there is a better way.
>>>> ----- Original Message -----
>>>>> From: "PeterP" <looms_pastels_0f_kea at icloud.com>
>>>>> To: "kea-users" <kea-users at lists.isc.org>
>>>>> Sent: Wednesday, September 22, 2021 8:42:32 AM
>>>>> Subject: [Kea-users] ISC-KEA with MariaDB on Debian Buster Startup Sequence
>>>>> Hello,
>>>>> I think this is somewhat of a Linux newbie question, so apologies.
>>>>> I have PowerDNS, KEA (DHCP4 only), and Stork running on Debian Buster all using
>>>>> MariaDB as the back-end. Everything is up to date as regards versions, at least
>>>>> as far as I am aware, as I run global updates every few days.
>>>>> I am having a problem with the isc-kea-dhcp4-server.service. Whenever there is a
>>>>> system reboot, this service fails to start. When I manually restart it later,
>>>>> it works fine. As far as I can trace, it's a startup sequence issue in relation
>>>>> to having MariaDB as a back-end for Kea. I looks like Kea is starting first,
>>>>> looking for the MariaDB service and failing because MariaDB has yet to start.
>>>>> How can I change the start order so that the isc-kea-dhcp4-server.service
>>>>> doesn't start until the MariaDB service is up and running?
>>>>> I expect I will have the same issue with the isc-kea-dhcp6-server.service when I
>>>>> eventually start to use it.
>>>>> Thank you,
>>>>> PeterP.
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