[Libguestfs] [PATCH v2] v2v: rhv plugin - find suitable host
Nir Soffer
nsoffer at redhat.com
Thu Jul 5 20:17:19 UTC 2018
On Thu, Jul 5, 2018 at 8:24 PM Daniel Erez <derez at redhat.com> wrote:
> For direct upload, a suitable host must be in status 'Up'
> and belong to the same datacenter as the created disk.
> Added these criteria to the host search query.
> ---
> v2v/rhv-upload-plugin.py | 28 ++++++++++++++++++++++++----
> 1 file changed, 24 insertions(+), 4 deletions(-)
>
> diff --git a/v2v/rhv-upload-plugin.py b/v2v/rhv-upload-plugin.py
> index da309e288..931fcfaa2 100644
> --- a/v2v/rhv-upload-plugin.py
> +++ b/v2v/rhv-upload-plugin.py
> @@ -69,14 +69,34 @@ def find_host(connection):
>
> debug("hw_id = %r" % vdsm_id)
>
> - hosts_service = connection.system_service().hosts_service()
> + system_service = connection.system_service()
> + storage_name = params['output_storage']
> + data_centers = system_service.data_centers_service().list(
> + search='storage=%s' % storage_name,
> + case_sensitive=False,
> + )
> + if len(data_centers) == 0:
> + # The storage domain is not attached to a datacenter
> + # (shouldn't happen, would fail on disk creation).
> + debug("storange domain (%s) is not attached to a DC" %
> storage_name)
> + return None
> +
> + datacenter = data_centers[0]
> + debug("datacenter = %s" % datacenter.name)
> +
> + hosts_service = system_service.hosts_service()
> hosts = hosts_service.list(
> - search="hw_id=%s" % vdsm_id,
> + search="hw_id=%s and datacenter=%s and status=Up" % (vdsm_id,
> datacenter.name),
> case_sensitive=False,
> )
> if len(hosts) == 0:
> - # This oVirt host is not registered with engine.
> - debug("cannot find host with hw_id=%r, using any host" % vdsm_id)
> + # Couldn't find a host that's fulfilling the following criteria:
> + # - 'hw_id' equals to 'vdsm_id'
> + # - Its status is 'Up'
> + # - Belongs to the storage domain's datacenter
> + debug("cannot find a running host with hw_id=%r, " \
> + "that belongs to datacenter '%s', " \
> + "using any host" % (vdsm_id, datacenter.name))
> return None
>
> host = hosts[0]
>
Looks good.
This fixes both https://bugzilla.redhat.com/1596810 and
https://bugzilla.redhat.com/1596851 so we need to backport
the patch to RHEL 7.6.
Nir
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