[Users] Pxeboot

Mike Burns mburns at redhat.com
Fri Feb 10 00:17:32 UTC 2012 

On Thu, 2012-02-09 at 15:50 -0800, Li, David wrote:
> MIke,
> 
> Got something new this time in make publish:
> 
> /bin/sh: -c: line 36: syntax error near unexpected token `)'
> /bin/sh: -c: line 36: `)'
> make[1]: *** [repos.ks] Error 1
> make[1]: Leaving directory `/home/lid/workspace/ovirt/node-archipel-2.2.2/ovirt-node/recipe'
> make: *** [distdir] Error 1
> 
> [lid at FC16-1 ovirt-node]$ echo $OVIRT_CACHE_DIR $OVIRT_LOCAL_REPO
> /home/lid/ovirt-cache file:///home/lid/ovirt-cache/ovirt
> [lid at FC16-1 ovirt-node]$

Oops, bad merge on my part.  

$ git reset --hard origin/master  #sets you back to head of the master branch
$ git fetch http://gerrit.ovirt.org/p/ovirt-node refs/changes/38/1738/3 && git cherry-pick FETCH_HEAD
# checks out the new version of the patch set.

Mike

> 
> 
> - David
> ________________________________________
> From: Mike Burns [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
> > > > > > > > >> >> Users at ovirt.org
> > > > > > > > >> >> http://lists.ovirt.org/mailman/listinfo/users
> > > > > > > > >> >
> > > > > > > > >>
> > > > > > > > >> _______________________________________________
> > > > > > > > >> Users mailing list
> > > > > > > > >> Users at ovirt.org
> > > > > > > > >> http://lists.ovirt.org/mailman/listinfo/users
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > _______________________________________________
> > > > > > > Users mailing list
> > > > > > > Users at ovirt.org
> > > > > > > http://lists.ovirt.org/mailman/listinfo/users
> > > > > >
> > > > > >
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