Comments (20)
giovtorres
commented on July 21, 2024
I am also able to replicate. It appears this particular image is not getting instantiated the same way Debian 9 is. The SSH host keys aren't created, which explains the Connection Reset error. Additionally, the debian user doesn't seem to exist on the image after boot.
@meffie Did you run into this as well, or had to make any changes to get Debian 10 to work?
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meffie
commented on July 21, 2024
I normally use a set of pregenerated ssh keys. Maybe that's why I did not see this issue?
$ cat .kivrc
PUBKEY=/home/mmeffie/.ssh/mmeffie-sna2.pub
BRIDGE=vlbr0
$ kvm-install-vm create -t debian10 deb10
- Copying cloud image (debian-10-openstack-amd64.qcow2) ... OK
- Generating ISO for cloud-init ... OK
- Creating storage pool ... OK
- Installing the domain ... OK
- Cleaning up cloud-init files ... OK
- MAC address: 52:54:00:22:e8:1e
- Waiting for domain to get an IP address ... OK
- Checking for 192.168.123.35 in known_hosts file
- No entries found for 192.168.123.35
- SSH to deb10: 'ssh [email protected]' or 'ssh debian@deb10'
- Console at spice://localhost:5912
- DONE
$ ssh [email protected] uname -a
The authenticity of host '192.168.123.35 (192.168.123.35)' can't be established.
ED25519 key fingerprint is SHA256:osD0R96TFO61S71rj4idqrEWCx64qWYyU0DCgaC71dk.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.123.35' (ED25519) to the list of known hosts.
Linux deb10 4.19.0-8-cloud-amd64 #1 SMP Debian 4.19.98-1 (2020-01-26) x86_64 GNU/Linux
$ ssh [email protected] id
uid=1001(debian) gid=1001(debian) groups=1001(debian),4(adm),20(dialout),24(cdrom),25(floppy),27(sudo),29(audio),30(dip),44(video),46(plugdev),111(netdev)
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meffie
commented on July 21, 2024
I removed my PUBKEY setting, and created default keys, but it still works for me. My host kvm is ubuntu18.04, could that matter?
$ cat ~/.kivrc
BRIDGE=vlbr0
$ kvm-install-vm create -t debian10 deb10b
ERR: Please generate an SSH keypair using 'ssh-keygen -t rsa' or specify one with the -k flag.
$ ssh-keygen -t rsa
Generating public/private rsa key pair.
<snip>
$ kvm-install-vm create -t debian10 deb10b
- Copying cloud image (debian-10-openstack-amd64.qcow2) ... OK
- Generating ISO for cloud-init ... OK
- Creating storage pool ... OK
- Installing the domain ... OK
- Cleaning up cloud-init files ... OK
- MAC address: 52:54:00:bd:4b:cc
- Waiting for domain to get an IP address ... OK
- Checking for 192.168.123.127 in known_hosts file
- No entries found for 192.168.123.127
- SSH to deb10b: 'ssh [email protected]' or 'ssh debian@deb10b'
- Console at spice://localhost:5913
- DONE
$ ssh [email protected]
The authenticity of host '192.168.123.127 (192.168.123.127)' can't be established.
ED25519 key fingerprint is SHA256:M1I5qzrCMxB5OwT6Rlvm/RDFIdWCWdCGFmpncBaqrjI.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.123.127' (ED25519) to the list of known hosts.
Linux deb10b 4.19.0-8-cloud-amd64 #1 SMP Debian 4.19.98-1 (2020-01-26) x86_64
<snip>
$ cat /etc/debian_version
10.3
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meffie
commented on July 21, 2024
Asking a colleague to try to reproduce .
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CheyenneWills
commented on July 21, 2024
I'm having the same issue. Debian9 works, Debian10 fails. Looking at my dnslog, both are getting an IP address, however the Debian10 doesn't have the ssh port open.
This is on a gentoo system using kvm.
No .kivrc
Fresh "copy" of kvm-install-vm
./kvm-install-vm -v -b br0 -t debian10 deb10 << "fails"
./kvm-install-vm -v -b br0 -t debian9 deb9 << "works"
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berkutta
commented on July 21, 2024
Hmm, shouldn't there at least be a cloud-init message in the boot log?
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CheyenneWills
commented on July 21, 2024
Actually - the ssh port is open. it's being reset..
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berkutta
commented on July 21, 2024
It shouldn't have anything to do with ssh. Cloud-init works with a virtual cdrom drive with the configuration in it.
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meffie
commented on July 21, 2024
Looks like my cached copy of the image was from March 28. Maybe the upstream image changed
since then?
-rw-rw-r-- 1 mmeffie mmeffie 587613696 Mar 28 12:50 debian-10-openstack-amd64.qcow2
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meffie
commented on July 21, 2024
Downloaded the most recent image and it still works for me. Strange. cloud-init runs and everything seems fine.
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berkutta
commented on July 21, 2024
Seems also weird on Ubuntu 20.04. Will try Ubuntu 18.04 tomorrow. (Debian 9 is also working fine on this Ubuntu 20.04 setup)
ubuntu@focal0:~/kvm-install-vm$ ./kvm-install-vm create -t debian10 foo
[WARNING] foo already exists. Do you want to overwrite foo [y/N]? y
- Destroying foo domain ... OK
- Undefining foo domain ... OK
- Deleting foo files ... OK
- Destroying foo storage pool ... OK
- Copying cloud image (debian-10-openstack-amd64.qcow2) ... OK
- Generating ISO for cloud-init ... OK
- Creating storage pool ... OK
- Installing the domain ... OK
- Cleaning up cloud-init files ... OK
- MAC address: 52:54:00:a6:ba:e8
- Waiting for domain to get an IP address ... OK
- Checking for 192.168.123.42 in known_hosts file
- No entries found for 192.168.123.42
- SSH to foo: 'ssh [email protected]' or 'ssh debian@foo'
- Console at spice://localhost:5900
- DONE
ubuntu@focal0:~/kvm-install-vm$ ssh [email protected]
Connection reset by 192.168.123.42 port 22
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CheyenneWills
commented on July 21, 2024
So this works under xen (with a gentoo dom0), but is failing on a gentoo kvm system. On the kvm system debian 9 works. Looking at the logs it appears that cloud-init is never kicking in.
I've captured console logs (added a --console pty,log.file=... to the virt-install).
I'll continue to look at this tomorrow
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berkutta
commented on July 21, 2024
Ok, I think I found the "issue". This hacky change "fixes" it berkutta@762d00d
I don't know why this fixes it. But I can reproduce this issue on ubuntu20.04 hosts (ubuntu18.04 hots work fine). The issue is also reproducible on Arch Linux.
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meffie
commented on July 21, 2024
On Fri, 24 Apr 2020 01:52:42 -0700 Benjamin Marty ***@***.***> wrote:
Ok, I think I found the "issue". This hacky change "fixes" it berkutta@762d00d
I don't know why this fixes it. But I can reproduce this issue on ubuntu20.04 hosts (ubuntu18.04 hots work fine). The issue is also reproducible on Arch Linux.
Interesting! I can confirm my ubuntu 18.04 host still works with this change, for
at least debian10 guests, I've not tried others yet.
I see this changes the virt-install --disk options for the cdrom from
virt-install \
...
--disk=deb10c-cidata.iso,device=cdrom \
to:
virt-install \
...
--disk \
path=deb10b-cidata.iso \
on my ubuntu 18.04 host.
…--
Michael Meffie <[email protected]>
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CheyenneWills
commented on July 21, 2024
Confirm that the "hacky" change works for deb10 on gentoo/kvm.
Installing deb10 on a xen host continues to work as well.
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berkutta
commented on July 21, 2024
The root cause for all this trouble could be that newer libvirt versions use SATA for ejectable media instead of IDE. (Saw this difference when comparing the VM config between what virt-install generatres on ubuntu18.04 and ubuntu20.04).
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cy4n1c
commented on July 21, 2024
Ok, I think I found the "issue". This hacky change "fixes" it berkutta@762d00d
Confirming that this commit fixes the issue on Debian 10 host.
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giovtorres
commented on July 21, 2024
Thanks everyone for testing this fix! @berkutta would you like to submit a PR?
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berkutta
commented on July 21, 2024
sure, PR is ready, did clean up the code.
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giovtorres
commented on July 21, 2024
Closed by #59
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