def _create_osd(self, svc_arg=None, inbuf=None):
# type: (str, str) -> HandleCommandResult
"""Create one or more OSDs"""
usage = """
Usage:
ceph orchestrator osd create -i <json_file>
ceph orchestrator osd create host:device1,device2,...
"""
if inbuf:
try:
drive_group = orchestrator.DriveGroupSpec.from_json(
json.loads(inbuf))
except ValueError as e:
msg = 'Failed to read JSON input: {}'.format(str(e)) + usage
return HandleCommandResult(-errno.EINVAL, stderr=msg)
elif svc_arg:
try:
node_name, block_device = svc_arg.split(":")
block_devices = block_device.split(',')
except (TypeError, KeyError, ValueError):
msg = "Invalid host:device spec: '{}'".format(svc_arg) + usage
return HandleCommandResult(-errno.EINVAL, stderr=msg)
devs = orchestrator.DeviceSelection(paths=block_devices)
drive_group = orchestrator.DriveGroupSpec(node_name,
data_devices=devs)
else:
return HandleCommandResult(-errno.EINVAL, stderr=usage)
# TODO: Remove this and make the orchestrator composable
# Like a future or so.
host_completion = self.get_hosts()
self._orchestrator_wait([host_completion])
orchestrator.raise_if_exception(host_completion)
all_hosts = [h.name for h in host_completion.result]
try:
drive_group.validate(all_hosts)
except orchestrator.DriveGroupValidationError as e:
return HandleCommandResult(-errno.EINVAL, stderr=str(e))
completion = self.create_osds(drive_group, all_hosts)
self._orchestrator_wait([completion])
orchestrator.raise_if_exception(completion)
self.log.warning(str(completion.result))
return HandleCommandResult(stdout=str(completion.result))
def _osd_add(self, cmd):
device_spec = cmd['svc_arg']
try:
node_name, block_device = device_spec.split(":")
except TypeError:
return HandleCommandResult(-errno.EINVAL,
stderr="Invalid device spec, should be <node>:<device>")
devs = orchestrator.DeviceSelection(paths=block_device)
spec = orchestrator.DriveGroupSpec(node_name, data_devices=devs)
# TODO: Remove this and make the orchestrator composable
# or
# Probably this should be moved to each of the orchestrators,
# then we wouldn't need the "all_hosts" parameter at all.
host_completion = self.get_hosts()
self.wait([host_completion])
all_hosts = [h.name for h in host_completion.result]
completion = self.create_osds(spec, all_hosts=all_hosts)
self._orchestrator_wait([completion])
return HandleCommandResult()