6:57 p.m.
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Hi all,
We've been using templates for months before we realized that "ocs=20
report" used Serial Number given into "demidecode -t system" to
identify=20
a VM as unique.
This Serial Number is located into=20
/sys/devices/virtual/dmi/id/product_serial, and we'd really want each vm=20
to have its own Serial Number instead of the template's one.
We tried to generate a new id with uuidgen, but it can't be written into=20
the product_serial file.
Is there a simple way to do such a thing?
Thank you.
--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet(a)abes.fr
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Hi all,<br>
<br>
We've been using templates for months before we realized that "ocs
report" used Serial Number given into "demidecode -t system" to
identify a VM as unique.<br>
This Serial Number is located into <i
class=3D"moz-txt-slash"><span
class=3D"moz-txt-tag">/</span>sys/devices/virtual/dmi/id<span
class=3D"moz-txt-tag">/product_serial,=C2=A0
</span></i><span
class=3D"moz-txt-slash"><span class=3D"moz-txt-tag">and
we'd really
want each vm to have its own Serial Number instead of the
template's one.<br>
We tried to generate a new id with uuidgen, but it can't be
written into the product_serial file.<br>
Is there a simple way to do such a thing?<br>
Thank you.<br>
</span></span>
<pre class=3D"moz-signature" cols=3D"72">--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
<a class=3D"moz-txt-link-abbreviated"
href=3D"mailto:blanchet@abes.fr">bl=
anchet(a)abes.fr</a> </pre>
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2:35 p.m.
On 03/08/2016 04:57 PM, Nathanaël Blanchet wrote:
Hi all,
We've been using templates for months before we realized that "ocs
report" used Serial Number given into "demidecode -t system" to identify
a VM as unique.
This Serial Number is located into
/sys/devices/virtual/dmi/id/product_serial, and we'd really want each
vm to have its own Serial Number instead of the template's one.
We tried to generate a new id with uuidgen, but it can't be written into
the product_serial file.
Is there a simple way to do such a thing?
Thank you.
You can change the serial number of the VM via the GUI:
Vms -> Edit -> System -> Provide custom serial number
There you can specify that the VM should have as serial number the id of
the host, the id of the VM, or a custom serial number.
You can do the same with the API. For example, to set a custom serial
number for a specific VM using the Python SDK you can do something like
this:
---8<---
#!/usr/bin/python
from ovirtsdk.api import API
from ovirtsdk.xml import params
# Connect to the server:
api = API(
url="https://engine.example.com/ovirt-engine/api";,
username="admin@internal",
password="...",
ca_file="/etc/pki/ovirt-engine/ca.pem",
debug=False,
)
# Find the VM:
vm = api.vms.get(name="myvm")
# Set a custom serial number:
vm.set_serial_number(
params.SerialNumber(
policy="custom",
value="yourserial",
)
)
vm.update()
# Disconnect:
api.disconnect()
--->8---
--
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7:05 p.m.
thank you, it's ok for the python script!
another simple way I found is with ovirt-shell:
ovirt-shell -E "update vm name --serial_number-value $(uuidgen)"
anyway we need not to simply reboot, but stop and start the vm so as to
this change take effect
Le 09/03/2016 12:35, Juan Hernández a écrit :
On 03/08/2016 04:57 PM, Nathanaël Blanchet wrote:
> Hi all,
>
> We've been using templates for months before we realized that "ocs
> report" used Serial Number given into "demidecode -t system" to
identify
> a VM as unique.
> This Serial Number is located into
> /sys/devices/virtual/dmi/id/product_serial, and we'd really want each
> vm to have its own Serial Number instead of the template's one.
> We tried to generate a new id with uuidgen, but it can't be written into
> the product_serial file.
> Is there a simple way to do such a thing?
> Thank you.
>
You can change the serial number of the VM via the GUI:
Vms -> Edit -> System -> Provide custom serial number
There you can specify that the VM should have as serial number the id of
the host, the id of the VM, or a custom serial number.
You can do the same with the API. For example, to set a custom serial
number for a specific VM using the Python SDK you can do something like
this:
---8<---
#!/usr/bin/python
from ovirtsdk.api import API
from ovirtsdk.xml import params
# Connect to the server:
api = API(
url="https://engine.example.com/ovirt-engine/api";,
username="admin@internal",
password="...",
ca_file="/etc/pki/ovirt-engine/ca.pem",
debug=False,
)
# Find the VM:
vm = api.vms.get(name="myvm")
# Set a custom serial number:
vm.set_serial_number(
params.SerialNumber(
policy="custom",
value="yourserial",
)
)
vm.update()
# Disconnect:
api.disconnect()
--->8---
--
Nathanaël Blanchet
Supervision réseau
Pôle Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5
Tél. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet(a)abes.fr
3180
days inactive
3181
days old
2 comments
2 participants
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Juan Hernández -
Nathanaël Blanchet