[Users] Pxeboot

Li, David LiD at cloudshield.com
Thu Feb 9 23:24:28 UTC 2012 

Mike,

I 'd like to start again clean. Will the following give me the latest stateless source and iso build:

git clone http://gerrit.ovirt.org/p/ovirt-node.git
cd ovirt-node
git fetch http://gerrit.ovirt.org/p/ovirt-node refs/changes/38/1738/1 && git cherry-pick FETCH_HEAD
git fetch http://gerrit.ovirt.org/p/ovirt-node refs/changes/38/1738/2 && git checkout FETCH_HEAD

-David

>-----Original Message-----
>From: Mike Burns [mailto:mburns at redhat.com]
>Sent: Thursday, February 09, 2012 2:12 PM
>To: Li, David
>Cc: Perry Myers; users at ovirt.org
>Subject: Re: [Users] Pxeboot
>
>On Thu, 2012-02-09 at 13:34 -0800, Li, David wrote:
>> Mike,
>>
>> It seems it needs couple vdsm pkgs:
>>
>> ./node-creator ovirt-node-image.ks
>> Error creating Live CD : Failed to find package 'vdsm-cli' : No
>> package(s) available to install mv ovirt-node-image.iso
>> ovirt-node-image-2.2.3-0.1fc16.git16688ea.iso
>> mv: cannot stat `ovirt-node-image.iso': No such file or directory
>> make: *** [ovirt-node-image.iso] Error 1
>>
>>
>> can I remove them from ks files?
>
>Not if you want to use ovirt-node with ovirt-engine.  There was a bug in that
>patch set that is fixed in patch set 2 (along with the bad ===== package).  I
>hadn't pulled the patch set together and uploaded to gerrit yet, but it's there
>now.
>
>git fetch http://gerrit.ovirt.org/p/ovirt-node refs/changes/38/1738/2 && git
>checkout FETCH_HEAD
>
>This should fix the problem.
>
>Mike
>
>>
>> - David
>> ________________________________________
>> From: Mike Burns [mburns at redhat.com]
>> Sent: Thursday, February 09, 2012 12:07 PM
>> To: Li, David
>> Cc: Perry Myers; users at ovirt.org
>> Subject: Re: [Users] Pxeboot
>>
>> On Thu, 2012-02-09 at 11:52 -0800, Li, David wrote:
>> > It's still the same error:
>> >
>> > [lid at FC16-1 ovirt-node]$ cd recipe/
>> > [lid at FC16-1 recipe]$ make ovirt-node-image.iso ( \
>> >     echo "PRODUCT='"oVirt Node Hypervisor"'" ;\
>> >     echo "PRODUCT_SHORT='"oVirt Node Hypervisor"'" ;\
>> >     echo "PACKAGE=ovirt-node-image" ;\
>> >     echo "VERSION=2.2.3" ;\
>> >     echo "RELEASE=0.1fc16.git16688ea" ;\
>> > ) > version.ks
>> > ./node-creator ovirt-node-image.ks
>> > Error creating Live CD : Failed to find package '=======' : No
>> > package(s) available to install mv ovirt-node-image.iso
>> > ovirt-node-image-2.2.3-0.1fc16.git16688ea.iso
>> > mv: cannot stat `ovirt-node-image.iso': No such file or directory
>> > make: *** [ovirt-node-image.iso] Error 1
>> > [lid at FC16-1 recipe]$ echo $OVIRT_LOCAL_REPO
>> > file:///home/lid/ovirt-cache/ovirt
>> > [lid at FC16-1 recipe]$ ll /home/lid/ovirt-cache/ovirt/ total 12
>> > drwxr-xr-x. 2 lid lid 4096 Feb  9 11:10 noarch drwxrwxr-x. 2 lid lid
>> > 4096 Feb  9 11:10 repodata drwxrwxr-x. 2 lid lid 4096 Feb  9 11:10
>> > src
>>
>> That's a bug in the patch.  edit recipe/common-pkgs.ks and remove the
>> last line which is "======="
>>
>> Mike
>> >
>> >
>> > Did make publish store the rpms in $OVIRT_LOCAL_REPO?
>> >
>> > - David
>> > ________________________________________
>> > From: Mike Burns [mburns at redhat.com]
>> > Sent: Thursday, February 09, 2012 11:44 AM
>> > To: Li, David
>> > Cc: Perry Myers; users at ovirt.org
>> > Subject: RE: [Users] Pxeboot
>> >
>> > On Thu, 2012-02-09 at 11:40 -0800, Li, David wrote:
>> > > The error seems a little stubborn.
>> > >
>> > > [lid at FC16-1 recipe]$ echo $OVIRT_LOCAL_REPO
>> > > file://home/lid/ovirt-cache/ovirt
>> >
>> > You need 3 slashes.  file:///home/lid/ovirt-cache/ovirt
>> >
>> > > [lid at FC16-1 recipe]$ make ovirt-node-image.iso ( \
>> > >     echo "PRODUCT='"oVirt Node Hypervisor"'" ;\
>> > >     echo "PRODUCT_SHORT='"oVirt Node Hypervisor"'" ;\
>> > >     echo "PACKAGE=ovirt-node-image" ;\
>> > >     echo "VERSION=2.2.3" ;\
>> > >     echo "RELEASE=0.1fc16.git16688ea" ;\
>> > > ) > version.ks
>> > > ./node-creator ovirt-node-image.ks Error creating Live CD : Unable
>> > > to download from repo : Cannot retrieve repository metadata
>> > > (repomd.xml) for repository: local. Please verify its path and try
>> > > again mv ovirt-node-image.iso
>> > > ovirt-node-image-2.2.3-0.1fc16.git16688ea.iso
>> > > mv: cannot stat `ovirt-node-image.iso': No such file or directory
>> > > make: *** [ovirt-node-image.iso] Error 1
>> > >
>> > > There is also a pop-up window: Unable to open a folder for
>> > > _ovirt-node-imag
>> > >
>> > > maybe it's looking at the wrong place?
>> > >
>> > >
>> > > - David
>> > > ________________________________________
>> > > From: Mike Burns [mburns at redhat.com]
>> > > Sent: Thursday, February 09, 2012 11:15 AM
>> > > To: Li, David
>> > > Cc: Perry Myers; users at ovirt.org
>> > > Subject: RE: [Users] Pxeboot
>> > >
>> > > On Thu, 2012-02-09 at 10:57 -0800, Li, David wrote:
>> > > > ok, that's my bad:)
>> > > >
>> > > > Ran into error at the last iso build step:
>> > > >
>> > > > Start building ISO image....
>> > > > ( \
>> > > >     echo "PRODUCT='"oVirt Node Hypervisor"'" ;\
>> > > >     echo "PRODUCT_SHORT='"oVirt Node Hypervisor"'" ;\
>> > > >     echo "PACKAGE=ovirt-node-image" ;\
>> > > >     echo "VERSION=2.2.3" ;\
>> > > >     echo "RELEASE=0.1.fc16.git16688ea" ;\
>> > > > ) > version.ks
>> > > > ./node-creator ovirt-node-image.ks Error creating Live CD :
>> > > > Unable to download from repo : Cannot retrieve repository
>> > > > metadata (repomd.xml) for repository: local. Please verify its
>> > > > path and try again mv ovirt-node-image.iso
>> > > > ovirt-node-image-2.2.3-0.1.fc16.git16688ea.iso
>> > > > mv: cannot stat `ovirt-node-image.iso': No such file or
>> > > > directory
>> > > > make: *** [ovirt-node-image.iso] Error 1
>> > >
>> > > IIRC, this is usually because you have OVIRT_LOCAL_REPO defined,
>> > > but not correctly.  It needs to be like this:
>> > > file:///home/mburns/rpmbuild/RPMS
>> > >
>> > > Ok, I just looked at the Node Building page, and it needs some updates.
>> > > Try this from the base directory of the git repo
>> > >
>> > > $ export OVIRT_CACHE_DIR=${HOME}/ovirt-cache
>> > > $ export OVIRT_LOCAL_REPO=file://${OVIRT_CACHE_DIR}/ovirt
>> > > $ ./autogen.sh --with-image-minimizer $ make publish  #this builds
>> > > the rpms and puts them in ${OVIRT_CACHE_DIR} $ cd recipe $ make
>> > > ovirt-node-image.iso
>> > >
>> > > Mike
>> > > >
>> > > >
>> > > >
>> > > > I wonder which repo my machine is lacking?
>> > > >
>> > > > - David
>> > > > ________________________________________
>> > > > From: Mike Burns [mburns at redhat.com]
>> > > > Sent: Thursday, February 09, 2012 10:02 AM
>> > > > To: Li, David
>> > > > Cc: Perry Myers; users at ovirt.org
>> > > > Subject: Re: [Users] Pxeboot
>> > > >
>> > > > On Thu, 2012-02-09 at 09:47 -0800, Li, David wrote:
>> > > > > Got an error:
>> > > > > [lid at FC16-1 ovirt-node]$ git fetch http://gerrit.ovirt.org/
>> > > > > refs/changes/38/1738/1&&git cherry-pick FETCH_HEAD
>> > > > > fatal: http://gerrit.ovirt.org/info/refs not found: did you run git
>update-server-info on the server?
>> > > >
>> > > > Bad copy/paste:
>> > > >
>> > > > git fetch http://gerrit.ovirt.org/p/ovirt-node
>> > > > refs/changes/38/1738/1 && git cherry-pick FETCH_HEAD
>> > > > >
>> > > > > any ideas?
>> > > > >
>> > > > > - David
>> > > > > ________________________________________
>> > > > > From: Mike Burns [mburns at redhat.com]
>> > > > > Sent: Thursday, February 09, 2012 8:37 AM
>> > > > > To: Li, David
>> > > > > Cc: Perry Myers; users at ovirt.org
>> > > > > Subject: Re: [Users] Pxeboot
>> > > > >
>> > > > > On Thu, 2012-02-09 at 08:30 -0800, Li, David wrote:
>> > > > > > Mike,
>> > > > > >
>> > > > > > Two quick questions before I kick off a build:
>> > > > > >
>> > > > > > 1. Git errors. Do they matter?
>> > > > > >
>> > > > > >
>> > > > > > [lid at FC16-1 node-archipel-2.2.2]$ git clone
>> > > > > > http://gerrit.ovirt.org/p/ovirt-node.git
>refs/changes/38/1738/1&&git checkout FETCH_HEAD Cloning into
>refs/changes/38/1738/1...
>> > > > > > remote: Counting objects: 14791, done
>> > > > > > remote: Finding sources: 100% (14791/14791)
>> > > > > > remote: Total 14791 (delta 10855), reused 14778 (delta
>> > > > > > 10855) Receiving objects: 100% (14791/14791), 16.92 MiB | 154
>KiB/s, done.
>> > > > > > Resolving deltas: 100% (10855/10855), done.
>> > > > > > fatal: Not a git repository (or any of the parent
>> > > > > > directories): .git
>> > > > >
>> > > > > try this instead:
>> > > > >
>> > > > > git clone http://gerrit.ovirt.org/p/ovirt-node.git
>> > > > > cd ovirt-node
>> > > > > git fetch http://gerrit.ovirt.org/p/ovirt-node
>> > > > > refs/changes/38/1738/1 && git cherry-pick FETCH_HEAD
>> > > > >
>> > > > > >
>> > > > > >
>> > > > > > 2. Build machine.
>> > > > > >
>> > > > > > I am using a x86_64 FC16 VM as the build machine. My target is
>x86_64 Intel board. Is this ok?
>> > > > >
>> > > > > Should be fine.
>> > > > >
>> > > > > Mike
>> > > > > >
>> > > > > >
>> > > > > >
>> > > > > > - David
>> > > > > > ________________________________________
>> > > > > > From: Mike Burns [mburns at redhat.com]
>> > > > > > Sent: Thursday, February 09, 2012 8:16 AM
>> > > > > > To: Li, David
>> > > > > > Cc: Perry Myers; users at ovirt.org
>> > > > > > Subject: RE: [Users] Pxeboot
>> > > > > >
>> > > > > > On Thu, 2012-02-09 at 08:10 -0800, Li, David wrote:
>> > > > > > > Not sure where the boot log is since I can't login.
>> > > > > > >
>> > > > > > > I got the source from
>> > > > > > > https://github.com/primalmotion/archipel-node and followed
>> > > > > > > the build instructions in
>> > > > > > > http://ovirt.org/wiki/Node_Building
>> > > > > > >
>> > > > > > > maybe I should rebuild the iso from the ovirt node source tree as
>you have pulled in archipel changes yesterday. How do I do that?
>> > > > > >
>> > > > > > git fetch http://gerrit.ovirt.org/p/ovirt-node
>> > > > > > refs/changes/38/1738/1 && git checkout FETCH_HEAD
>> > > > > >
>> > > > > > That command will checkout the current version of the
>> > > > > > archipel-node changes.  Then you can just follow the
>> > > > > > Node_Building process.  Note that the changes aren't merged
>> > > > > > into master yet.  I'm still in the process of reviewing them.
>> > > > > >
>> > > > > > Mike
>> > > > > > >
>> > > > > > > - David
>> > > > > > >
>> > > > > > >
>> > > > > > > >-----Original Message-----
>> > > > > > > >From: Mike Burns [mailto:mburns at redhat.com]
>> > > > > > > >Sent: Thursday, February 09, 2012 7:22 AM
>> > > > > > > >To: Li, David
>> > > > > > > >Cc: Perry Myers; users at ovirt.org
>> > > > > > > >Subject: Re: [Users] Pxeboot
>> > > > > > > >
>> > > > > > > >On Thu, 2012-02-09 at 07:06 -0800, Li, David wrote:
>> > > > > > > >> Mike,
>> > > > > > > >>
>> > > > > > > >> I added adminpw as a kernel option. After boot, I tried
>"admin/abc123"
>> > > > > > > >> and "root/abc123" but not able to login.
>> > > > > > > >> Any idea?
>> > > > > > > >>
>> > > > > > > >
>> > > > > > > >Are there any errors in your build or boot logs?
>> > > > > > > >
>> > > > > > > >Mike
>> > > > > > > >
>> > > > > > > >> David
>> > > > > > > >>
>> > > > > > > >>
>> > > > > > > >> >-----Original Message-----
>> > > > > > > >> >From: Mike Burns [mailto:mburns at redhat.com]
>> > > > > > > >> >Sent: Wednesday, February 08, 2012 6:53 PM
>> > > > > > > >> >To: Li, David
>> > > > > > > >> >Cc: Perry Myers; users at ovirt.org
>> > > > > > > >> >Subject: Re: [Users] Pxeboot
>> > > > > > > >> >
>> > > > > > > >> >On Wed, 2012-02-08 at 17:11 -0800, Li, David wrote:
>> > > > > > > >> >> Ok, I built an iso out of archipel and pxebooted it
>> > > > > > > >> >> with stateless option.  Now
>> > > > > > > >> >I got a "localhost" login prompt.  Any idea what should I put
>in as user/pwd?
>> > > > > > > >> >> David
>> > > > > > > >> >
>> > > > > > > >> >You will need to pass a password in on the command
>> > > > > > > >> >line as well
>> > > > > > > >> >
>> > > > > > > >> >adminpw=<hashed_password>
>> > > > > > > >> >
>> > > > > > > >> >You can generate the hashed password using:
>> > > > > > > >> >
>> > > > > > > >> >$ openssl passwd
>> > > > > > > >> >
>> > > > > > > >> >Assuming the password was abc123
>> > > > > > > >> >
>> > > > > > > >> >$ openssl passwd abc123
>> > > > > > > >> >tKrQfufCbosr6
>> > > > > > > >> >
>> > > > > > > >> >adminpw=tKrQfufCbosr6
>> > > > > > > >> >
>> > > > > > > >> >Mike
>> > > > > > > >> >
>> > > > > > > >> >>
>> > > > > > > >> >> >-----Original Message-----
>> > > > > > > >> >> >From: Mike Burns [mailto:mburns at redhat.com]
>> > > > > > > >> >> >Sent: Wednesday, February 08, 2012 4:31 PM
>> > > > > > > >> >> >To: Li, David
>> > > > > > > >> >> >Cc: Perry Myers; users at ovirt.org
>> > > > > > > >> >> >Subject: RE: [Users] Pxeboot
>> > > > > > > >> >> >
>> > > > > > > >> >> >On Wed, 2012-02-08 at 15:43 -0800, Li, David wrote:
>> > > > > > > >> >> >> Ok, I think we are on the same page now regarding
>stateless node.
>> > > > > > > >> >> >> It looks like the achipel diff you just pulled in
>> > > > > > > >> >> >> might be able to do this. But I can't quite make
>> > > > > > > >> >> >> it out what the kernel option should
>> > > > > > > >be.
>> > > > > > > >> >> >> Is it "stateless=1"?
>> > > > > > > >> >> >>
>> > > > > > > >> >> >
>> > > > > > > >> >> >stateless=1 or just stateless, both will work.
>> > > > > > > >> >> >
>> > > > > > > >> >> >
>> > > > > > > >> >> >> David
>> > > > > > > >> >> >>
>> > > > > > > >> >> >> >-----Original Message-----
>> > > > > > > >> >> >> >From: Mike Burns [mailto:mburns at redhat.com]
>> > > > > > > >> >> >> >Sent: Wednesday, February 08, 2012 3:27 PM
>> > > > > > > >> >> >> >To: Li, David
>> > > > > > > >> >> >> >Cc: Perry Myers; users at ovirt.org
>> > > > > > > >> >> >> >Subject: Re: [Users] Pxeboot
>> > > > > > > >> >> >> >
>> > > > > > > >> >> >> >On Wed, 2012-02-08 at 15:19 -0800, Li, David wrote:
>> > > > > > > >> >> >> >> Perry,
>> > > > > > > >> >> >> >>
>> > > > > > > >> >> >> >> I am glad you brought this up.
>> > > > > > > >> >> >> >> I 'd be perfectly happy to run the root fs entirely in
>RAM.
>> > > > > > > >> >> >> >> In fact that would
>> > > > > > > >> >> >> >be ideal for me. It's just I am not quite sure
>> > > > > > > >> >> >> >how to use pxeboot to achieve this.
>> > > > > > > >> >> >> >>
>> > > > > > > >> >> >> >> I am doing a test now using the tftpboot files created
>from the iso.
>> > > > > > > >> >> >> >> As far as I see, the kernel boot options
>(pxelinux.cfg/default) has:
>> > > > > > > >> >> >> >>
>> > > > > > > >> >> >> >> root=live:/ovirt-node-image-2.2.2-1.1.fc16.iso
>> > > > > > > >> >> >> >>
>> > > > > > > >> >> >> >> With this I can only pxeboot to the intall
>> > > > > > > >> >> >> >> screen.  What should I use to let the
>> > > > > > > >> >> >> >kernel mount the root fs in memory? Something
>> > > > > > > >> >> >> >like
>> > > > > > > >root=/dev/ram0?
>> > > > > > > >> >> >> >>
>> > > > > > > >> >> >> >> David
>> > > > > > > >> >> >> >
>> > > > > > > >> >> >> >It's not currently possible with ovirt-node.
>> > > > > > > >> >> >> >That's the whole stateless feature that we
>> > > > > > > >> >> >> >outlined.  Once we actually have it implemented,
>> > > > > > > >> >> >> >it will be something along the lines of adding
>> > > > > > > >> >> >> >"stateless" to
>> > > > > > > >> >> >the kernel commandline.
>> > > > > > > >> >> >> >
>> > > > > > > >> >> >> >Mike
>> > > > > > > >> >> >> >>
>> > > > > > > >> >> >> >>
>> > > > > > > >> >> >> >> >-----Original Message-----
>> > > > > > > >> >> >> >> >From: Perry Myers [mailto:pmyers at redhat.com]
>> > > > > > > >> >> >> >> >Sent: Wednesday, February 08, 2012 2:54 PM
>> > > > > > > >> >> >> >> >To: Mike Burns
>> > > > > > > >> >> >> >> >Cc: Li, David; users at ovirt.org
>> > > > > > > >> >> >> >> >Subject: Re: [Users] Pxeboot
>> > > > > > > >> >> >> >> >
>> > > > > > > >> >> >> >> >On 02/08/2012 05:03 PM, Mike Burns wrote:
>> > > > > > > >> >> >> >> >> On Wed, 2012-02-08 at 13:46 -0800, Li, David
>wrote:
>> > > > > > > >> >> >> >> >>> Mike,
>> > > > > > > >> >> >> >> >>>
>> > > > > > > >> >> >> >> >>> If I understand this correctly, today I
>> > > > > > > >> >> >> >> >>> should be able to pxeboot and nfs mount the
>root fs from a remote server.
>> > > > > > > >> >> >> >> >>> Apart from setting up the pxe stuff, I 'd
>> > > > > > > >> >> >> >> >>> have to populate the ovirt node root fs on
>> > > > > > > >> >> >> >> >>> the server
>> > > > > > > >> >> >> >> >>> - perhaps steal it from a disk install.
>> > > > > > > >> >> >> >> >>> In other words I am concerned about the
>> > > > > > > >> >> >> >> >>> point from which the kernel starts to
>> > > > > > > >> >> >> >> >>> execute /init script (in the initramfs) to the point
>/init is able to mount the final root fs from a remote server.
>> > > > > > > >> >> >> >> >>
>> > > > > > > >> >> >> >> >> No, there is no way to set this up currently in
>ovirt-node.
>> > > > > > > >> >> >> >> >> You could install using a remote iscsi lun
>> > > > > > > >> >> >> >> >> if you have a hardware iscsi HBA, but there
>> > > > > > > >> >> >> >> >> isn't a way to mount a remote nfs share as
>> > > > > > > >> >> >> >> >> the
>> > > > > > > >> >> >root fs.
>> > > > > > > >> >> >> >> >>
>> > > > > > > >> >> >> >> >> Supporting a remote NFS share as the root
>> > > > > > > >> >> >> >> >> fs isn't even something that requested as
>> > > > > > > >> >> >> >> >> an RFE at this point or on the roadmap as far as
>I'm aware.
>> > > > > > > >> >> >> >> >>
>> > > > > > > >> >> >> >> >> It sounds like what you're really looking
>> > > > > > > >> >> >> >> >> for is a shared root fs that multiple hosts
>> > > > > > > >> >> >> >> >> could use.  This is something that we will
>> > > > > > > >> >> >> >> >> probably look into eventually, but it's not
>> > > > > > > >> >> >> >> >> on the immediate
>> > > > > > > >> >> >roadmap.
>> > > > > > > >> >> >> >> >
>> > > > > > > >> >> >> >> >Given that the rootfs of oVirt Node is fairly
>> > > > > > > >> >> >> >> >small and in a truly stateless environment
>> > > > > > > >> >> >> >> >would just run out of system RAM, there's no
>> > > > > > > >> >> >> >> >real reason to try to do a shared NFS based
>> > > > > > > >rootfs.
>> > > > > > > >> >> >> >> >It's an unnecessary complication I think, if
>> > > > > > > >> >> >> >> >the end goal is to move to truly
>> > > > > > > >> >> >> >stateless.
>> > > > > > > >> >> >> >> >
>> > > > > > > >> >> >> >> >For larger systems where the rootfs is on the
>> > > > > > > >> >> >> >> >order of GB's, shared root may make more sense.
>> > > > > > > >> >> >> >>
>______________________________________________
>> > > > > > > >> >> >> >> _ Users mailing list Users at ovirt.org
>> > > > > > > >> >> >> >> http://lists.ovirt.org/mailman/listinfo/users
>> > > > > > > >> >> >> >
>> > > > > > > >> >> >>
>> > > > > > > >> >> >
>> > > > > > > >> >>
>> > > > > > > >> >>
>_______________________________________________
>> > > > > > > >> >> Users mailing list
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>> > > > > > > >> >
>> > > > > > > >>
>> > > > > > > >> _______________________________________________
>> > > > > > > >> Users mailing list
>> > > > > > > >> Users at ovirt.org
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>> > > > > > > >
>> > > > > > >
>> > > > > >
>> > > > > >
>> > > > > > _______________________________________________
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>> > > > >
>> > > > >
>> > > > > _______________________________________________
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>> >
>> >
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