def GET(self):
"""Return a list of all OSes.
Can return error 500 in case of a problem.
Example: ["debian-etch"]
"""
cl = self.GetClient()
op = opcodes.OpOsDiagnose(output_fields=["name", "variants"], names=[])
cancel_fn = (lambda: _CheckIfConnectionDropped(self._req.request_sock))
job_id = self.SubmitJob([op], cl=cl)
# we use custom feedback function, instead of print we log the status
result = cli.PollJob(job_id,
cl,
feedback_fn=baserlib.FeedbackFn,
cancel_fn=cancel_fn)
diagnose_data = result[0]
if not isinstance(diagnose_data, list):
raise http.HttpBadGateway(message="Can't get OS list")
os_names = []
for (name, variants) in diagnose_data:
os_names.extend(cli.CalculateOSNames(name, variants))
return os_names
err_code, msg = cli.FormatError(err)
Err(msg, exit_code=err_code)
finally:
qcl.Close()
self.nodes = [data[0] for data in result if not (data[1] or data[2])]
op_diagnose = opcodes.OpOsDiagnose(
output_fields=["name", "variants", "hidden"], names=[])
result = self.ExecOp(True, op_diagnose)
if not result:
Err("Can't get the OS list")
found = False
for (name, variants, _) in result:
if self.opts.os in cli.CalculateOSNames(name, variants):
found = True
break
if not found:
Err("OS '%s' not found" % self.opts.os)
cluster_info = self.cl.QueryClusterInfo()
self.cluster_info = cluster_info
if not self.cluster_info:
Err("Can't get cluster info")
default_nic_params = self.cluster_info["nicparams"][
constants.PP_DEFAULT]
self.cluster_default_nicparams = default_nic_params
if self.hypervisor is None: