Re: [ovirt-devel] Engine Health
On Fri, Oct 14, 2016 at 11:27 PM, Stuart Gott <sgott(a)redhat.com> wrote:
All,
We're working on a script that stands up an oVirt Engine and adds a node
to it. The issue is we don't know how long to wait before trying to add a
node. What we're doing right now is to check the status of the engine using:
https://ENGINE_IP/ovirt-engine/services/health
to determine when the oVirt engine itself has booted. That link reports
"DB Up!Welcome to Health Status!" as soon as the web UI is accessible, but
this is not the same thing as having an actual usable cluster attached.
Would it be possible to have separate status messages to distinguish
between an engine that has/is missing a usable cluster? Is that already
possible some other way? Blindly waiting for arbitrary time periods is
error prone.
The API also has a test command as well. I don't think we need to extend it
for a specific use case. What about a missing data center? Host? SPM?
You can see in ovirt-system-test for an example that at least checks that
the service is up (and could use the serice health end point as well)
connects to the API and performs a test() against it to verify it works. I
think that overall should suffice.
Y.
Thanks!
Stu
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