[ovirt-devel] [ovirt-users] OVIRT-3.5-TEST-DAY-3: replace XML-rpc with JSON-rpc

[Francesco Romani]

----- Original Message -----
> From: "Francesco Romani" <fromani at redhat.com>
> To: devel at ovirt.org
> Cc: "users" <users at ovirt.org>
> Sent: Wednesday, September 17, 2014 5:33:01 PM
> Subject: [ovirt-users] OVIRT-3.5-TEST-DAY-3: replace XML-rpc with JSON-rpc

> Everything I tried went OK, and logs look good to me.
> 
> I run in a few hiccups, which I mention for the sake of completeness:
> - VDSM refused to start or run VMs initially: libvirt config included relics
> from past
>   environment on the same box, not JSON-rpc fault. Fixed with new config and
>   (later) a reboot.
> - Trying recovery, Engine took longer than expected to sync up with VDSM.
>   I have not hard data and feeling is not enough to file a BZ, so I didn't.
> - Still trying recovery, one and just one time Engine had stale data from
> VDSM (reported two
>   VMs as present which actually aren't). Not sure it was related to JSON-rpc,
>   can't reproduce,
>   so not filed a BZ.

I need to partially amend this statement as, running more benchmarks/profiling,
I got this twice in a row

INFO:root:starting 100 vms
INFO:root:start: serial execution
INFO:root:Starting VM: XS_C000
INFO:root:Starting VM: XS_C001
INFO:root:Starting VM: XS_C002

Traceback (most recent call last):
  File "./observe.py", line 154, in <module>
    data = bench(host, 'XS_C%03i', first, last, api, outfile, mins * 60.)
  File "./observe.py", line 122, in bench
    start(vms)
  File "./observe.py", line 66, in start
    vm.start()
  File "./observe.py", line 54, in start
    self._handle.start()
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/brokers.py", line 16507, in start
    headers={"Correlation-Id":correlation_id}
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/proxy.py", line 118, in request
    persistent_auth=self._persistent_auth)
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/proxy.py", line 140, in __doRequest
    persistent_auth=persistent_auth
  File "/usr/lib/python2.7/site-packages/ovirtsdk/web/connection.py", line 134, in doRequest
    raise RequestError, response
ovirtsdk.infrastructure.errors.RequestError: 
status: 400
reason: Bad Request
detail: Network error during communication with the Host.

(this is a runner script using ovirt sdk for python, source is available on demand and will be
published anyway soon[ish])

On engine logs I see something alike this: http://fpaste.org/134263/

Since the above is way too vague to file a meaningful BZ, I'm now continuing the investigation
to see if there is a bug somewhere or if it's a hiccup of my local environment.

Thanks,


-- 
Francesco Romani
RedHat Engineering Virtualization R & D
Phone: 8261328
IRC: fromani