[Kea-users] DHCP4 not starting or writing log file
Jason Guy
jguy at cumulusnetworks.com
Wed Jul 25 17:38:58 UTC 2018
Here are a couple of other ideas:
- Have you tried starting the services with the default kea-dhcp4.conf, or
perhaps the minimum possible configuration?
- If the config was edited in windows, it may have hidden characters.
Perhaps execute dos2unix on the configuration file?
- Maybe an error in your json formatting?
I am not sure what else would cause a seg fault that is kea specific. If it
is the config causing it, it would likely be a bug.
It is possible there is something about the host you are running on:
- lacking something in the architecture 64-bit binary running on 32-bit CPU
- some other memory access type of issue.
- If it is a VM, the virtual hardware may be running into a problem.
Hope this helps,
Jason
On Wed, Jul 25, 2018 at 6:59 AM McBride Lawrence <
Lawrence.McBride at imerseyside.nhs.uk> wrote:
> Hi Jason,
>
>
>
> Unfortunately that did not work either. I have searched through as many
> forums as I can for this and can’t seem to get any closer to an answer. I
> have just tried running the server directly and got the following:
>
>
>
> [mcbridl at im-netdhcp1 sbin]$ sudo kea-dhcp4 -c
> /opt/kea/etc/kea/kea-dhcp4.conf
>
> Segmentation fault
>
> [mcbridl at im-netdhcp1 sbin]$
>
>
>
>
>
> *Lawrence McBride*
>
> Head of Voice and Data Networks
>
>
>
> *NHS Informatics Merseyside*
>
> *a *Saturn House, Knowsley Business Park, Liverpool. L34 9GJ
>
> *t *0151 296 7668
>
> *m *07795 370190
>
> *e *Lawrence.Mcbride at imerseyside.nhs.uk
>
>
>
> Say hello to us online at www.imerseyside.nhs.uk or follow us on twitter
> @nhsimerseyside
>
>
>
> [image: Exceptionalsize14]
>
>
>
> Advance Notification of absence:
>
> 17th of August to 6th of September 2018
>
>
>
> *From:* Jason Guy [mailto:jguy at cumulusnetworks.com]
> *Sent:* 19 July 2018 13:33
> *To:* McBride Lawrence <Lawrence.McBride at imerseyside.nhs.uk>
> *Cc:* marcin at isc.org; KEA-Users (kea-users at lists.isc.org) <
> kea-users at lists.isc.org>
> *Subject:* Re: [Kea-users] DHCP4 not starting or writing log file
>
>
>
> Hi Lawrence,
>
>
>
> I see, you are running this with keactrl. In that case, you should be able
> to do this:
>
>
>
> sudo KEA_LOGGER_DESTINATION=/var/log/kea/dhcp4.log keactrl start -s dhcp4
>
>
>
> I don't use centos/rhel normally, so I hope this works.
>
> Jason
>
>
>
> On Thu, Jul 19, 2018 at 6:37 AM McBride Lawrence <
> Lawrence.McBride at imerseyside.nhs.uk> wrote:
>
> Hi Jason,
>
>
>
> So, if I’m understanding you correctly, you suggest creating a service for
> the dhcp4 server and modifying the *kea-dhcp4-server.service file to
> suit?*
>
>
>
> *Lawrence McBride*
>
> Head of Voice and Data Networks
>
>
>
> *NHS Informatics Merseyside*
>
> *a *Saturn House, Knowsley Business Park, Liverpool. L34 9GJ
>
> *t *0151 296 7668
>
> *m *07795 370190
>
> *e *Lawrence.Mcbride at imerseyside.nhs.uk
>
>
>
> Say hello to us online at www.imerseyside.nhs.uk or follow us on twitter
> @nhsimerseyside
>
>
>
> [image: Exceptionalsize14]
>
>
>
> Advance Notification of absence:
>
> 17th of August to 6th of September 2018
>
>
>
> *From:* Jason Guy [mailto:jguy at cumulusnetworks.com]
> *Sent:* 18 July 2018 14:00
> *To:* McBride Lawrence <Lawrence.McBride at imerseyside.nhs.uk>
> *Cc:* marcin at isc.org; KEA-Users (kea-users at lists.isc.org) <
> kea-users at lists.isc.org>
> *Subject:* Re: [Kea-users] DHCP4 not starting or writing log file
>
>
>
> Hi Lawrence,
>
>
>
> For the Debian package, I set these in the systemd service file. If you
> want to have a look, I am sure you can adjust these the same way, since
> CentOS uses systemd as well. Here is a link to the kea-ctrl-agent.service
> <https://salsa.debian.org/debian/isc-kea/blob/master/debian/kea-ctrl-agent.service>
> file for the debian package.
>
>
>
> This goes back to the idea I mentioned a few months ago on this list, it
> would probably be better to have a variable file in /etc/default or
> /etc/sysconfig (in centos). Here it would allow users to customize the
> destinations easier. The service simply sources these files to dynamically
> set the env variables.
>
>
>
> Cheers,
>
> Jason
>
>
>
> On Wed, Jul 18, 2018 at 6:39 AM McBride Lawrence <
> Lawrence.McBride at imerseyside.nhs.uk> wrote:
>
> Right,
>
> I tried export KEA_LOGGER_DESTINATION=stdout as root and then keactrl
> start -s dhcp4 but I'm still not receiving any error messages.
>
> Was my export the correct way to set the variable?
>
> Lawrence McBride
> Head of Voice and Data Networks
>
> NHS Informatics Merseyside
> a Saturn House, Knowsley Business Park, Liverpool. L34 9GJ
> t 0151 296 7668
> m 07795 370190
> e Lawrence.Mcbride at imerseyside.nhs.uk
>
> Say hello to us online at www.imerseyside.nhs.uk or follow us on twitter
> @nhsimerseyside
>
>
>
> Advance Notification of absence:
> 17th of August to 6th of September 2018
>
>
> -----Original Message-----
> From: McBride Lawrence
> Sent: 18 July 2018 11:35
> To: 'Marcin Siodelski' <marcin at isc.org>; Jason Guy <
> jguy at cumulusnetworks.com>
> Cc: KEA-Users (kea-users at lists.isc.org) <kea-users at lists.isc.org>
> Subject: RE: [Kea-users] DHCP4 not starting or writing log file
>
> Thanks for that tip.
>
> I can see the kea.log file and the lockfile are present in the default dir
> you mentioned as I successfully got the kea-ctrl-agent to work and there
> are messages in the file.
>
> Where do I set the KEA_LOGGER_DESTINATION environment variable? If I can
> set it stdout the I should get info on the cli after I issue the start
> command.
>
> Lawrence McBride
> Head of Voice and Data Networks
>
> NHS Informatics Merseyside
> a Saturn House, Knowsley Business Park, Liverpool. L34 9GJ t 0151 296
> 7668 m 07795 370190 e Lawrence.Mcbride at imerseyside.nhs.uk
>
> Say hello to us online at www.imerseyside.nhs.uk or follow us on twitter
> @nhsimerseyside
>
>
>
> Advance Notification of absence:
> 17th of August to 6th of September 2018
>
>
> -----Original Message-----
> From: Marcin Siodelski [mailto:marcin at isc.org]
> Sent: 17 July 2018 16:29
> To: McBride Lawrence <Lawrence.McBride at imerseyside.nhs.uk>; Jason Guy <
> jguy at cumulusnetworks.com>
> Cc: KEA-Users (kea-users at lists.isc.org) <kea-users at lists.isc.org>
> Subject: Re: [Kea-users] DHCP4 not starting or writing log file
>
> One of the problems with logging configuration is that until you
> successfully configure the server it can't really use the log file location
> specified in the Kea configuration file. Instead it will use default
> locations.
>
> The following section of the Kea User's Guide:
>
>
> https://jenkins.isc.org/job/Kea_doc/guide/kea-guide.html#logging-during-startup
>
> describes how to influence where the default logging goes. This may help
> you determine why the server is not starting. The location of the default
> log file being used before the server configures is prefix/var/kea/kea.log,
> where prefix is where Kea server is installed.
> After the server is started and configured successfully, the logging
> should go to the locations specified in the Kea config files.
>
> Marcin Siodelski
> ISC Engineering
>
> On 17.07.2018 16:49, McBride Lawrence wrote:
> > Centos 7.4
> >
> >
> >
> > *Lawrence McBride*
> >
> > Head of Voice and Data Networks
> >
> >
> >
> > *NHS Informatics Merseyside*
> >
> > *a *Saturn House, Knowsley Business Park, Liverpool. L34 9GJ
> >
> > *t *0151 296 7668
> >
> > *m *07795 370190**
> >
> > *e *Lawrence.Mcbride at imerseyside.nhs.uk
> >
> >
> >
> > Say helloto us online at www.imerseyside.nhs.uk
> > <http://www.imerseyside.nhs.uk>or follow uson twitter @nhsimerseyside
> >
> >
> >
> > Exceptionalsize14
> >
> > * *
> >
> > Advance Notification of absence:
> >
> > 17^th of August to 6^th of September 2018
> >
> >
> >
> > *From:*Jason Guy [mailto:jguy at cumulusnetworks.com]
> > *Sent:* 17 July 2018 15:35
> > *To:* McBride Lawrence <Lawrence.McBride at imerseyside.nhs.uk>
> > *Cc:* KEA-Users (kea-users at lists.isc.org) <kea-users at lists.isc.org>
> > *Subject:* Re: [Kea-users] DHCP4 not starting or writing log file
> >
> >
> >
> > Was this installed from the Debian Sid repo, or is this on RHEL/CentOS?
> >
> >
> >
> > Thanks,
> > Jason
> >
> >
> >
> > On Tue, Jul 17, 2018 at 10:18 AM McBride Lawrence
> > <Lawrence.McBride at imerseyside.nhs.uk
> > <mailto:Lawrence.McBride at imerseyside.nhs.uk>> wrote:
> >
> > Hi,
> >
> >
> >
> > Sorry,
> >
> >
> >
> > Version 1.4
> >
> > File and dir exist
> >
> > I am starting the services as root
> >
> >
> >
> > *Lawrence McBride*
> >
> > Head of Voice and Data Networks
> >
> >
> >
> > *NHS Informatics Merseyside*
> >
> > *a *Saturn House, Knowsley Business Park, Liverpool. L34 9GJ
> >
> > *t *0151 296 7668
> >
> > *m *07795 370190
> >
> > *e *Lawrence.Mcbride at imerseyside.nhs.uk
> > <mailto:Lawrence.Mcbride at imerseyside.nhs.uk>
> >
> >
> >
> > Say helloto us online at www.imerseyside.nhs.uk
> > <http://www.imerseyside.nhs.uk>or follow uson twitter
> > @nhsimerseyside
> >
> >
> >
> > Exceptionalsize14
> >
> > * *
> >
> > Advance Notification of absence:
> >
> > 17^th of August to 6^th of September 2018
> >
> >
> >
> > *From:*Jason Guy [mailto:jguy at cumulusnetworks.com
> > <mailto:jguy at cumulusnetworks.com>]
> > *Sent:* 17 July 2018 14:38
> > *To:* McBride Lawrence <Lawrence.McBride at imerseyside.nhs.uk
> > <mailto:Lawrence.McBride at imerseyside.nhs.uk>>
> > *Cc:* KEA-Users (kea-users at lists.isc.org
> > <mailto:kea-users at lists.isc.org>) <kea-users at lists.isc.org
> > <mailto:kea-users at lists.isc.org>>
> > *Subject:* Re: [Kea-users] DHCP4 not starting or writing log file
> >
> >
> >
> > Hi Lawrence,
> >
> >
> >
> > First, what version of Kea are you using?
> >
> > Does the log directory exist? I am not sure if kea will create the
> > directory, as well as the file.
> >
> > Finally, make sure to start the service as root or using sudo.
> >
> >
> >
> > Jason
> >
> >
> >
> > On Tue, Jul 17, 2018 at 6:02 AM McBride Lawrence
> > <Lawrence.McBride at imerseyside.nhs.uk
> > <mailto:Lawrence.McBride at imerseyside.nhs.uk>> wrote:
> >
> > Hi,
> >
> >
> >
> > I am starting just the dhcp4 server with the following command:
> >
> >
> >
> > keactrl start -s dhcp4
> >
> >
> >
> > I get a corresponding message to say it is starting:
> >
> >
> >
> > INFO/keactrl: Starting /opt/kea/sbin/kea-dhcp4 -c
> > /opt/kea/etc/kea/kea-dhcp4.conf
> >
> >
> >
> > However, it doesn’t start as the status output shows:
> >
> >
> >
> > keactrl status
> >
> > DHCPv4 server: inactive
> >
> > DHCPv6 server: inactive
> >
> > DHCP DDNS: inactive
> >
> > Control Agent: inactive
> >
> > Kea DHCPv4 configuration file: /opt/kea/etc/kea/kea-dhcp4.conf
> >
> > Kea DHCPv6 configuration file: /opt/kea/etc/kea/kea-dhcp6.conf
> >
> > Kea DHCP DDNS configuration file:
> > /opt/kea/etc/kea/kea-dhcp-ddns.conf
> >
> > Kea Control Agent configuration file:
> > /opt/kea/etc/kea/kea-ctrl-agent.conf
> >
> > keactrl configuration file: /opt/kea/etc/kea/keactrl.conf
> >
> >
> >
> >
> >
> > I get no log output either so have no idea what is going on –
> > logging config below:
> >
> >
> >
> > "loggers": [
> >
> > {
> >
> > // This section affects kea-dhcp4, which is the base
> > logger for DHCPv4
> >
> > // component. It tells DHCPv4 server to write all log
> > messages (on
> >
> > // severity INFO or more) to a file.
> >
> > "name": "kea-dhcp4",
> >
> > "output_options": [
> >
> > {
> >
> > "output": "/opt/kea/var/log/kea-dhcp4.log"
> >
> > // This governs whether the log output is
> > flushed to disk after
> >
> > // every write.
> >
> > // "flush": false,
> >
> > // This specifies the maximum size of the file
> > before it is
> >
> > // rotated. File size is set to 10MB
> > (10240000)
> >
> > "maxsize": 10240000,
> >
> > // This specifies the maximum number of rotated
> > files to keep.
> >
> > "maxver": 8
> >
> > }
> >
> > ],
> >
> >
> >
> > *Lawrence McBride*
> >
> > Head of Voice and Data Networks
> >
> >
> >
> > *NHS Informatics Merseyside*
> >
> > *a *Saturn House, Knowsley Business Park, Liverpool. L34 9GJ
> >
> > *t *0151 296 7668
> >
> > *m *07795 370190
> >
> > *e *Lawrence.Mcbride at imerseyside.nhs.uk
> > <mailto:Lawrence.Mcbride at imerseyside.nhs.uk>
> >
> >
> >
> > Say helloto us online at www.imerseyside.nhs.uk
> > <http://www.imerseyside.nhs.uk>or follow uson twitter
> > @nhsimerseyside
> >
> >
> >
> >
> >
> > * *
> >
> > Advance Notification of absence:
> >
> > 17^th of August to 6^th of September 2018
> >
> >
> >
> > _______________________________________________
> > Kea-users mailing list
> > Kea-users at lists.isc.org <mailto:Kea-users at lists.isc.org>
> > https://lists.isc.org/mailman/listinfo/kea-users
> >
> >
> >
> > _______________________________________________
> > Kea-users mailing list
> > Kea-users at lists.isc.org
> > https://lists.isc.org/mailman/listinfo/kea-users
> >
>
>
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