Disk ID for a provisioned instance
andrew.wilkins at canonical.com
Tue Oct 31 05:53:14 UTC 2017
On Tue, Oct 31, 2017 at 1:40 PM Akshat Jiwan Sharma <akshatjiwan at gmail.com>
> Thanks Andrew. I'm using google cloud platform. But also planning to use
> aws in the future.
For AWS, we tag the root disk EBS volume with:
So if you add a machine in Juju and it gets assigned the instance ID
"inst-foo", then the root disk EBS volume will have a Name tag with the
I don't know if we can guarantee that this will remain true forever, but it
hasn't changed in a long time.
> On Tue, Oct 31, 2017 at 8:23 AM, Andrew Wilkins <
> andrew.wilkins at canonical.com> wrote:
>> On Tue, Oct 31, 2017 at 10:37 AM Akshat Jiwan Sharma <
>> akshatjiwan at gmail.com> wrote:
>>> I'd like to automate backups for my server provisioned via juju. For
>>> that I'm planning to use terraform. To take a snapshot of the disk,
>>> terraform needs a disk id.
>>> Is there a way I can get disk ID using juju commands? Juju show machine
>>> only gives the capacity of the disk not its id.
>> Not at the moment. We'll need to extend the data model and update the
>> providers to support this. We do record information about volumes that Juju
>> provisions, but that excludes the root/OS disk.
>> On a machine that I deployed on google cloud platform the disk id is same
>>> as the instance id. Can I assume that the disk id is same as the instance
>>> id everywhere?
>> No, that's not a safe assumption in general. Which cloud providers are
>> you using?
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