LXD Bootstrap

Tom Barber tom at analytical-labs.com
Tue Mar 1 17:01:50 UTC 2016


Okay we're back.....

Here is the /proc/mount stuff:

http://paste.ubuntu.com/15260347/
http://paste.ubuntu.com/15260350/

You can see a bit of a diff after the remount, hope it helps!

Tom

--------------

Director Meteorite.bi - Saiku Analytics Founder
Tel: +44(0)5603641316

(Thanks to the Saiku community we reached our Kickstart
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On 29 February 2016 at 23:38, Tom Barber <tom at analytical-labs.com> wrote:

> Its pretty weird, because a few reboots and it failed, now its magically
> working post reboot. Worst comes to the worst I can flatten the machine
> again and I'm sure it will reappear as it did the previous 2 occasions.
>
> --------------
>
> Director Meteorite.bi - Saiku Analytics Founder
> Tel: +44(0)5603641316
>
> (Thanks to the Saiku community we reached our Kickstart
> <http://kickstarter.com/projects/2117053714/saiku-reporting-interactive-report-designer/>
> goal, but you can always help by sponsoring the project
> <http://www.meteorite.bi/products/saiku/sponsorship>)
>
> On 29 February 2016 at 23:35, Serge E. Hallyn <serge at hallyn.com> wrote:
>
>> Hi Casey,
>>
>> I haven't reproduced that here in VMs.  If you can reproduce this at will
>> (by
>> rebooting the host) could you file a bug against the kernel (
>> pad.lv/u/linux) ?
>>
>> thanks,
>> -serge
>>
>> Quoting Casey Marshall (casey.marshall at canonical.com):
>> > On Mon, Feb 29, 2016 at 4:57 PM, Tom Barber <tom at analytical-labs.com>
>> wrote:
>> >
>> > > Seemingly the image name and key are the same, LXD and Juju are the
>> same,
>> > > so you've either done something magic or I'm confused with its now
>> seeming
>> > > happiness of the kernel debug mountpoint! :)
>> > >
>> >
>> > I ran into a similar issue today. xenial host, running latest juju out
>> of
>> > master for LXD API compatibility. I was unable to bootstrap and sshd was
>> > not starting in the controller instance.
>> >
>> > Remounted kernel debug on the host, and bootstrap started working, sshd
>> > starting up now in my trusty instances.
>> >
>> > Did not refresh my images. If it happens after rebooting the host, I'll
>> try
>> > to collect more info.
>> >
>> > -Casey
>> >
>> >
>> > > --------------
>> > >
>> > > Director Meteorite.bi - Saiku Analytics Founder
>> > > Tel: +44(0)5603641316
>> > >
>> > > (Thanks to the Saiku community we reached our Kickstart
>> > > <
>> http://kickstarter.com/projects/2117053714/saiku-reporting-interactive-report-designer/
>> >
>> > > goal, but you can always help by sponsoring the project
>> > > <http://www.meteorite.bi/products/saiku/sponsorship>)
>> > >
>> > > On 29 February 2016 at 22:43, Tom Barber <tom at analytical-labs.com>
>> wrote:
>> > >
>> > >> Hi Serge
>> > >>
>> > >> Fresh reboot and updated image, image boots with SSHD working fine,
>> so
>> > >> whatever you did, i assume worked or is a freak occurrence. I don't
>> have
>> > >> any old images kicking around and the import I copied from your email
>> > >> appears to have stomped on the old image.
>> > >>
>> > >> FYI
>> > >>
>> > >> bugg at tomsdevbox:~$ lxc config show t1
>> > >> name: t1
>> > >> profiles:
>> > >> - default
>> > >> config:
>> > >>   volatile.base_image:
>> > >> 510c27eb5e30ac53c6cf8b423d4e145bd2e40b8845e89bd66a5d78e2a087727a
>> > >>   volatile.eth0.hwaddr: 00:16:3e:94:d5:66
>> > >>   volatile.last_state.idmap:
>> > >>
>> '[{"Isuid":true,"Isgid":false,"Hostid":165536,"Nsid":0,"Maprange":65536},{"Isuid":false,"Isgid":true,"Hostid":165536,"Nsid":0,"Maprange":65536}]'
>> > >>   volatile.lo.hwaddr: 00:16:3e:d2:98:62
>> > >> devices:
>> > >>   root:
>> > >>     path: /
>> > >>     type: disk
>> > >> ephemeral: false
>> > >>
>> > >>
>> > >> juju bootstrap now seems to run fine without remounting the kernel
>> debug.
>> > >>
>> > >> Thanks for your help!
>> > >>
>> > >> Tom
>> > >>
>> > >>
>> > >> --------------
>> > >>
>> > >> Director Meteorite.bi - Saiku Analytics Founder
>> > >> Tel: +44(0)5603641316
>> > >>
>> > >> (Thanks to the Saiku community we reached our Kickstart
>> > >> <
>> http://kickstarter.com/projects/2117053714/saiku-reporting-interactive-report-designer/
>> >
>> > >> goal, but you can always help by sponsoring the project
>> > >> <http://www.meteorite.bi/products/saiku/sponsorship>)
>> > >>
>> > >> On 29 February 2016 at 21:45, Serge E. Hallyn <serge at hallyn.com>
>> wrote:
>> > >>
>> > >>> On Mon, Feb 29, 2016 at 09:45:14AM +0000, Tom Barber wrote:
>> > >>> > Hi Serge
>> > >>> >
>> > >>> > I rebooted the host to see what happened and the lxc images that
>> were
>> > >>> > running fine all now have broken SSHD. This, to make absolutely
>> clear
>> > >>> > doesn't affect the Xenial image, just the trusty one I test with.
>> > >>> >
>> > >>> > bugg at tomsdevbox:~$ lxc launch ubuntu-trusty fix-server2
>> > >>> > Creating fix-server2
>> > >>> > Starting fix-server2
>> > >>> >
>> > >>> > bugg at tomsdevbox:~$ lxc exec fix-server2 /bin/bash
>> > >>> > root at fix-server2:~# ps aux |grep ssh
>> > >>> > root      1597  0.0  0.0   8868   660 ?        S+   09:41   0:00
>> grep
>> > >>> > --color=auto ssh
>> > >>> >
>> > >>> > exit
>> > >>> >
>> > >>> > umount and remount kernel debug....
>> > >>> >
>> > >>> > bugg at tomsdevbox:~$ lxc launch ubuntu-trusty fix-server3
>> > >>> > Creating fix-server3
>> > >>> > Starting fix-server3
>> > >>> > bugg at tomsdevbox:~$ lxc exec fix-server3 /bin/bash
>> > >>> > root at fix-server3:~# ps aux |grep ssh
>> > >>> > root      1759  0.0  0.0  61380  3816 ?        Ss   09:42   0:00
>> > >>> > /usr/sbin/sshd -D
>> > >>> > root      1944  0.0  0.0   8868   604 ?        S+   09:43   0:00
>> grep
>> > >>> > --color=auto ssh
>> > >>>
>> > >>> If you pull a fresh image using
>> > >>>
>> > >>> lxd-images import ubuntu --alias newtrusty trusty amd64
>> > >>>
>> > >>> and launch that
>> > >>>
>> > >>> lxc launch newtrusty t1
>> > >>>
>> > >>> does it have the same failure?
>> > >>>
>> > >>> What does
>> > >>>
>> > >>> lxc config show fix-server2 show?
>> > >>>
>> > >>
>> > >>
>> > >
>> > > --
>> > > Juju mailing list
>> > > Juju at lists.ubuntu.com
>> > > Modify settings or unsubscribe at:
>> > > https://lists.ubuntu.com/mailman/listinfo/juju
>> > >
>> > >
>>
>
>
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