[Openstack] [Nova] Getting error when injecting data into an image
Nagaraju Bingi
nagaraju_bingi at persistent.co.in
Thu Sep 6 12:45:50 UTC 2012
Hi All,
I'm facing an issue with guest mount command and error as shown below. It would be appreciable if you could provide pointers.
2012-09-06 22:08:00 DEBUG nova.virt.disk.api [-] qemu-nbd error: sudo: unable to resolve host vmessex92
from (pid=2137) mount /usr/lib/python2.7/dist-packages/nova/virt/disk/api.py:192
2012-09-06 22:08:00 DEBUG nova.utils [-] Running cmd (subprocess): sudo nova-rootwrap guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpL7DseN from (pid=2137) execute /usr/lib/python2.7/dist-packages/nova/utils.py:209
2012-09-06 22:08:01 DEBUG nova.utils [-] Result was 99 from (pid=2137) execute /usr/lib/python2.7/dist-packages/nova/utils.py:225
2012-09-06 22:08:01 DEBUG nova.utils [-] Unexpected error while running command.
Command: sudo nova-rootwrap guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpL7DseN
Exit code: 99
Stdout: 'Unauthorized command: guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpL7DseN\n'
Stderr: 'sudo: unable to resolve host vmessex92\n' from (pid=2137) trycmd /usr/lib/python2.7/dist-packages/nova/utils.py:267
2012-09-06 22:08:01 DEBUG nova.utils [-] Running cmd (subprocess): sudo nova-rootwrap fusermount -u /tmp/tmpL7DseN from (pid=2137) execute /usr/lib/python2.7/dist-packages/nova/utils.py:209
2012-09-06 22:08:01 DEBUG nova.utils [-] Result was 1 from (pid=2137) execute /usr/lib/python2.7/dist-packages/nova/utils.py:225
2012-09-06 22:08:01 DEBUG nova.utils [-] Unexpected error while running command.
Command: sudo nova-rootwrap fusermount -u /tmp/tmpL7DseN
Exit code: 1
Stdout: ''
Stderr: 'sudo: unable to resolve host vmessex92\n/bin/fusermount: failed to unmount /tmp/tmpL7DseN: Invalid argument\n' from (pid=2137) trycmd /usr/lib/python2.7/dist-packages/nova/utils.py:267
2012-09-06 22:08:01 DEBUG nova.virt.disk.api [-] Failed to mount filesystem: Unexpected error while running command.
Command: sudo nova-rootwrap guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpL7DseN
Exit code: 99
Stdout: 'Unauthorized command: guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpL7DseN\n'
Stderr: 'sudo: unable to resolve host vmessex92\n' from (pid=2137) mount /usr/lib/python2.7/dist-packages/nova/virt/disk/api.py:192
2012-09-06 22:08:01 WARNING nova.virt.libvirt.connection [-] [instance: 41481661-6b37-4ab3-bdaa-a498e87b5c2e] Ignoring error injecting data into image bb28fbd3-8fc9-46c6-975d-59d70d372b5a (
--
qemu-nbd error: sudo: unable to resolve host vmessex92
--
Failed to mount filesystem: Unexpected error while running command.
Command: sudo nova-rootwrap guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpL7DseN
Exit code: 99
Stdout: 'Unauthorized command: guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpL7DseN\n'
Stderr: 'sudo: unable to resolve host vmessex92\n')
2012-09-06 22:08:02 DEBUG nova.virt.libvirt.connection [-] [instance: 41481661-6b37-4ab3-bdaa-a498e87b5c2e] Instance is running from (pid=2137) spawn /usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py:812
2012-09-06 22:08:03 DEBUG nova.compute.manager [-] [instance: 41481661-6b37-4ab3-bdaa-a498e87b5c2e] Checking state from (pid=2137) _get_power_state /usr/lib/python2.7/dist-packages/nova/compute/manager.py:259
2012-09-06 22:08:03 INFO nova.virt.libvirt.connection [-] [instance: 41481661-6b37-4ab3-bdaa-a498e87b5c2e] Instance spawned successfully.
Regards,
Nagaraju B
From: openstack-bounces+nagaraju_bingi=persistent.co.in at lists.launchpad.net [mailto:openstack-bounces+nagaraju_bingi=persistent.co.in at lists.launchpad.net] On Behalf Of Anton Haldin
Sent: Thursday, May 24, 2012 6:25 PM
To: Patrick Petit
Cc: openstack at lists.launchpad.net
Subject: Re: [Openstack] [Nova] Getting error when injecting data into an image
you can try to check permissions on this file .
and ... do you have selinux enabled on this machine ?
On Thu, May 24, 2012 at 4:26 PM, Patrick Petit <patrick.michel.petit at gmail.com<mailto:patrick.michel.petit at gmail.com>> wrote:
Hi Pádraig,
Thank you for your reply.
I am not running http://repos.fedorapeople.org/repos/apevec/openstack-preview/fedora-16/
but
http://repos.fedorapeople.org/repos/apevec/openstack-preview/fedora-openstack-preview.repo
Which is supposed to work for both Fedora 16 & 17
Anyhow, I applied the suggested libvirt_inject_partition = -1 patch.
It does change things because it's not complaining about mount error any more but generates further errors down the path in libvirt.py", line 540 followed by AMQP errors as traced below.
Thanks
Patrick
2012-05-24 14:11:02 INFO nova.virt.libvirt.connection [req-8b7dbdb7-5771-446a-8cf6-0bcb8833d79f 5677a018b8924cc58f993101c3024794 873855379940442797e53f2fa437893f] [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] Injecting key into image 661bbe35-ebe5-4614-bdb2-3259ea507934
2012-05-24 14:11:54 ERROR nova.compute.manager [req-8b7dbdb7-5771-446a-8cf6-0bcb8833d79f 5677a018b8924cc58f993101c3024794 873855379940442797e53f2fa437893f] [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] Instance failed to spawn
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] Traceback (most recent call last):
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 598, in _spawn
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] self._legacy_nw_info(network_info), block_device_info)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib/python2.7/site-packages/nova/exception.py", line 114, in wrapped
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] return f(*args, **kw)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/connection.py", line 930, in spawn
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] self._create_new_domain(xml)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/connection.py", line 1597, in _create_new_domain
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] domain.createWithFlags(launch_flags)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 187, in doit
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] result = proxy_call(self._autowrap, f, *args, **kwargs)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 147, in proxy_call
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] rv = execute(f,*args,**kwargs)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 76, in tworker
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] rv = meth(*args,**kwargs)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] File "/usr/lib64/python2.7/site-packages/libvirt.py", line 540, in createWithFlags
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] libvirtError: internal error Process exited while reading console log output: char device redirected to /dev/pts/2
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31] Could not allocate dynamic translator buffer
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31]
2012-05-24 14:11:54 TRACE nova.compute.manager [instance: a5d5b5c7-093a-4eb4-9d70-d6cfa2b30a31]
2012-05-24 14:11:54 ERROR nova.rpc.amqp [req-8b7dbdb7-5771-446a-8cf6-0bcb8833d79f 5677a018b8924cc58f993101c3024794 873855379940442797e53f2fa437893f] Exception during message handling
2012-05-24 14:11:54 TRACE nova.rpc.amqp Traceback (most recent call last):
2012-05-24 14:11:54 TRACE nova.rpc.amqp File "/usr/lib/python2.7/site-packages/nova/rpc/amqp.py", line 253, in _process_data
2012-05-24 14:11:54 TRACE nova.rpc.amqp rval = node_func(context=ctxt, **node_args)
2012-05-24 14:11:54 TRACE nova.rpc.amqp File "/usr/lib/python2.7/site-packages/nova/exception.py", line 114, in wrapped
2012-05-24 14:11:54 TRACE nova.rpc.amqp return f(*args, **kw)
Best regards,
Patrick
2012/5/24 Pádraig Brady <P at draigbrady.com<mailto:P at draigbrady.com>>
On 05/24/2012 11:38 AM, Patrick Petit wrote:
> Hi,
> I am getting the following error when running
>
> $ nova boot myserver --flavor 2 --key_name mykey --image 661bbe35-ebe5-4614-bdb2-3259ea507934
>
> +-------------------------------------+--------------------------------------+
> | Property | Value |
> +-------------------------------------+--------------------------------------+
> | OS-DCF:diskConfig | MANUAL |
> | OS-EXT-SRV-ATTR:host | None |
> | OS-EXT-SRV-ATTR:hypervisor_hostname | None |
> | OS-EXT-SRV-ATTR:instance_name | instance-00000005 |
> | OS-EXT-STS:power_state | 0 |
> | OS-EXT-STS:task_state | scheduling |
> | OS-EXT-STS:vm_state | building |
> | accessIPv4 | |
> | accessIPv6 | |
> | adminPass | mAnfCStaqWT2 |
> | config_drive | |
> | created | 2012-05-23T13:49:12Z |
> | flavor | m1.small |
> | hostId | |
> | id | 18cde301-e8c9-4721-928b-cd0daf63a4f0 |
> | image | f16-jeos |
> | key_name | mykey |
> | metadata | {} |
> | name | myserver |
> | progress | 0 |
> | status | BUILD |
> | tenant_id | 873855379940442797e53f2fa437893f |
> | updated | 2012-05-23T13:49:13Z |
> | user_id | 5677a018b8924cc58f993101c3024794 |
> +-------------------------------------+--------------------------------------+
>
>
> The image was obtained from following the Getting Started with OpenStack on Fedora 17 tutorial (http://fedoraproject.org/wiki/Getting_started_with_OpenStack_on_Fedora_17). So, I guess I am not the only one using it.
>
> $ glance index
>
> ID Name Disk Format Container Format Size
>
> ------------------------------------ ------------------------------ -------------------- -------------------- --------------
>
> 661bbe35-ebe5-4614-bdb2-3259ea507934 f16-jeos qcow2 ovf 213581824
>
> c15e90f2-e73e-4987-ad7a-11d87403012e cirros-0.3.0-x86_64-ari ari ari 2254249
>
> 68ad4ece-6a56-4ac8-b112-1dd69283ea83 cirros-0.3.0-x86_64-ami ami ami 25165824
>
> 6f5d8022-2dfe-406d-b391-fa0e48c175f3 cirros-0.3.0-x86_64-aki aki aki 4731440
>
>
> This is running on Nova Essex on Fedora 16.
> After a while I get:
>
> $ nova list
>
> +--------------------------------------+----------+--------+------------------+
> | ID | Name | Status | Networks |
> +--------------------------------------+----------+--------+------------------+
> | 18cde301-e8c9-4721-928b-cd0daf63a4f0 | myserver | ERROR | demonet=10.0.0.2 |
> +--------------------------------------+----------+--------+------------------+
>
>
> And so the log:
>
> 2012-05-23 15:50:12 INFO nova.virt.libvirt.connection [-] Compute_service record updated for fedora.localdomain
>
> 2012-05-23 15:50:35 WARNING nova.virt.libvirt.connection [req-dd9a661c-94d3-42e4-b7ba-699c7b41def4 5677a018b8924cc58f993101c3024794 873855379940442797e53f2fa437893f] [instance: 18cde301-e8c9-4721-928b-cd0daf63a4f0] Ignoring error injecting data into image 661bbe35-ebe5-4614-bdb2-3259ea507934 (
>
> --
>
> Failed to mount filesystem: Unexpected error while running command.
>
> Command: sudo nova-rootwrap mount /dev/mapper/nbd15p1 /tmp/tmpM9dOLC
>
> Exit code: 32
>
> Stdout: ''
>
> Stderr: 'mount: you must specify the filesystem type\n'
>
> --
>
> Failed to mount filesystem: Unexpected error while running command.
>
> Command: sudo nova-rootwrap guestmount --rw -a /var/lib/nova/instances/instance-00000005/disk -m /dev/sda1 /tmp/tmpM9dOLC
>
> Exit code: 1
>
> Stdout: ''
>
> Stderr: "libguestfs: error: mount_options: /dev/vda1 on /: mount: you must specify the filesystem type\n/usr/bin/guestmount: '/dev/sda1' could not be mounted. Did you mean one of these?\n\t/dev/sda1 (unknown)\n\t/dev/sda2 (ext4)\n")
>
>
> Note that I get the same error with other images, so it's not specific to f16-jeos. I am confused by this error. If the nova-rootwrap had to specify a filesystem type for the mount to succeed that would be a longtime known bug and so fixed bug right? The default filesystem types seem to be configured properly on the system...
>
> $ cat /etc/filesystems
> ext4
> ext3
> ext2
> nodev proc
> nodev devpts
> iso9660
> vfat
> hfs
> hfsplus
>
>
> Any help to sort that problem out would be greatly appreciated.
So you're running Nova Essex on Fedora 16.
I presume that is from:
http://repos.fedorapeople.org/repos/apevec/openstack-preview/fedora-16/
Those packages include a backport of this folsom feature:
https://github.com/openstack/nova/commit/2b3a1e7
So that should allow you to set this in /etc/nova/nova.conf:
libvirt_inject_partition = -1
Then libguestfs should be able to inspect the
more complicated f16 jeos image.
Note that feature isn't enabled by default due to
some incompatibilities with older libguestfs.
Though the default may be changed in future.
Note also that the failed injection message is just a warning,
and that should not stop the image from booting.
I.E. you may well have another issue after fixing the injection one.
cheers,
Pádraig.
--
"Give me a place to stand, and I shall move the earth with a lever"
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