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connection: Explicitly error if domain listing APIs are not supported

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This will be more important when we drop old domain polling APIs,
because it will be more likely we encounter an old libvirt or weird
connection without the expected API support

Signed-off-by: Cole Robinson <crobinso@redhat.com>
This commit is contained in:
Cole Robinson 2020-01-24 15:16:19 -05:00
parent 1aff5a611e
commit 4147f760e8
2 changed files with 9 additions and 1 deletions
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4
virtManager/connection.py
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@ -950,6 +950,10 @@ class vmmConnection(vmmGObject):
log.debug("conn version=%s", self._backend.conn_version())
log.debug("%s capabilities:\n%s", self.get_uri(), self.caps.get_xml())
if not self.support.conn_domain():
raise RuntimeError("Connection does not support required "
"domain listing APIs")
if not self.support.conn_storage():
log.debug("Connection doesn't seem to support storage APIs.")
if not self.support.conn_network():

6
virtinst/support.py
View File

@ -227,13 +227,17 @@ class SupportCache:
self._cache = {}
self._virtconn = virtconn
conn_domain = _make(
function="virConnect.listDomainsID", run_args=())
conn_storage = _make(
function="virConnect.listStoragePools", run_args=())
conn_nodedev = _make(
function="virConnect.listDevices", run_args=(None, 0))
conn_network = _make(function="virConnect.listNetworks", run_args=())
conn_network = _make(
function="virConnect.listNetworks", run_args=())
conn_interface = _make(
function="virConnect.listInterfaces", run_args=())
conn_stream = _make(function="virConnect.newStream", run_args=(0,))
conn_listalldomains = _make(
function="virConnect.listAllDomains", run_args=())