# Module level variable
_http_manager = None
+# Various time constants for the timeout table
+_TMO_URGENT = 60 # one minute
+_TMO_FAST = 5 * 60 # five minutes
+_TMO_NORMAL = 15 * 60 # 15 minutes
+_TMO_SLOW = 3600 # one hour
+_TMO_4HRS = 4 * 3600
+_TMO_1DAY = 86400
+
+# Timeout table that will be built later by decorators
+# Guidelines for choosing timeouts:
+# - call used during watcher: timeout -> 1min, _TMO_URGENT
+# - trivial (but be sure it is trivial) (e.g. reading a file): 5min, _TMO_FAST
+# - other calls: 15 min, _TMO_NORMAL
+# - special calls (instance add, etc.): either _TMO_SLOW (1h) or huge timeouts
+
+_TIMEOUTS = {
+}
+
def Init():
"""Initializes the module-global HTTP client manager.
_http_manager = None
+def _RpcTimeout(secs):
+ """Timeout decorator.
+
+ When applied to a rpc call_* function, it updates the global timeout
+ table with the given function/timeout.
+
+ """
+ def decorator(f):
+ name = f.__name__
+ assert name.startswith("call_")
+ _TIMEOUTS[name[len("call_"):]] = secs
+ return f
+ return decorator
+
+
class RpcResult(object):
"""RPC Result class.
"""
def __init__(self, procedure, body, port):
+ assert procedure in _TIMEOUTS, ("New RPC call not declared in the"
+ " timeouts table")
self.procedure = procedure
self.body = body
self.port = port
http.HttpSslParams(ssl_key_path=constants.NODED_CERT_FILE,
ssl_cert_path=constants.NODED_CERT_FILE)
- def ConnectList(self, node_list, address_list=None):
+ def ConnectList(self, node_list, address_list=None, read_timeout=None):
"""Add a list of nodes to the target nodes.
@type node_list: list
@type address_list: list or None
@keyword address_list: either None or a list with node addresses,
which must have the same length as the node list
+ @type read_timeout: int
+ @param read_timeout: overwrites the default read timeout for the
+ given operation
"""
if address_list is None:
assert len(node_list) == len(address_list), \
"Name and address lists should have the same length"
for node, address in zip(node_list, address_list):
- self.ConnectNode(node, address)
+ self.ConnectNode(node, address, read_timeout=read_timeout)
- def ConnectNode(self, name, address=None):
+ def ConnectNode(self, name, address=None, read_timeout=None):
"""Add a node to the target list.
@type name: str
if address is None:
address = name
+ if read_timeout is None:
+ read_timeout = _TIMEOUTS[self.procedure]
+
self.nc[name] = \
http.client.HttpClientRequest(address, self.port, http.HTTP_PUT,
"/%s" % self.procedure,
post_data=self.body,
ssl_params=self._ssl_params,
- ssl_verify_peer=True)
+ ssl_verify_peer=True,
+ read_timeout=read_timeout)
def GetResults(self):
"""Call nodes and return results.
return results
+def _EncodeImportExportIO(ieio, ieioargs):
+ """Encodes import/export I/O information.
+
+ """
+ if ieio == constants.IEIO_RAW_DISK:
+ assert len(ieioargs) == 1
+ return (ieioargs[0].ToDict(), )
+
+ if ieio == constants.IEIO_SCRIPT:
+ assert len(ieioargs) == 2
+ return (ieioargs[0].ToDict(), ieioargs[1])
+
+ return ieioargs
+
+
class RpcRunner(object):
"""RPC runner class"""
nic['nicparams'])
return idict
- def _ConnectList(self, client, node_list, call):
+ def _ConnectList(self, client, node_list, call, read_timeout=None):
"""Helper for computing node addresses.
@type client: L{ganeti.rpc.Client}
@type call: string
@param call: the name of the remote procedure call, for filling in
correctly any eventual offline nodes' results
+ @type read_timeout: int
+ @param read_timeout: overwrites the default read timeout for the
+ given operation
"""
all_nodes = self._cfg.GetAllNodesInfo()
addr_list.append(val)
name_list.append(node)
if name_list:
- client.ConnectList(name_list, address_list=addr_list)
+ client.ConnectList(name_list, address_list=addr_list,
+ read_timeout=read_timeout)
return skip_dict
- def _ConnectNode(self, client, node, call):
+ def _ConnectNode(self, client, node, call, read_timeout=None):
"""Helper for computing one node's address.
@type client: L{ganeti.rpc.Client}
@type call: string
@param call: the name of the remote procedure call, for filling in
correctly any eventual offline nodes' results
+ @type read_timeout: int
+ @param read_timeout: overwrites the default read timeout for the
+ given operation
"""
node_info = self._cfg.GetNodeInfo(node)
addr = node_info.primary_ip
else:
addr = None
- client.ConnectNode(node, address=addr)
+ client.ConnectNode(node, address=addr, read_timeout=read_timeout)
- def _MultiNodeCall(self, node_list, procedure, args):
+ def _MultiNodeCall(self, node_list, procedure, args, read_timeout=None):
"""Helper for making a multi-node call
"""
body = serializer.DumpJson(args, indent=False)
c = Client(procedure, body, self.port)
- skip_dict = self._ConnectList(c, node_list, procedure)
+ skip_dict = self._ConnectList(c, node_list, procedure,
+ read_timeout=read_timeout)
skip_dict.update(c.GetResults())
return skip_dict
@classmethod
def _StaticMultiNodeCall(cls, node_list, procedure, args,
- address_list=None):
+ address_list=None, read_timeout=None):
"""Helper for making a multi-node static call
"""
body = serializer.DumpJson(args, indent=False)
c = Client(procedure, body, utils.GetDaemonPort(constants.NODED))
- c.ConnectList(node_list, address_list=address_list)
+ c.ConnectList(node_list, address_list=address_list,
+ read_timeout=read_timeout)
return c.GetResults()
- def _SingleNodeCall(self, node, procedure, args):
+ def _SingleNodeCall(self, node, procedure, args, read_timeout=None):
"""Helper for making a single-node call
"""
body = serializer.DumpJson(args, indent=False)
c = Client(procedure, body, self.port)
- result = self._ConnectNode(c, node, procedure)
+ result = self._ConnectNode(c, node, procedure, read_timeout=read_timeout)
if result is None:
# we did connect, node is not offline
result = c.GetResults()[node]
return result
@classmethod
- def _StaticSingleNodeCall(cls, node, procedure, args):
+ def _StaticSingleNodeCall(cls, node, procedure, args, read_timeout=None):
"""Helper for making a single-node static call
"""
body = serializer.DumpJson(args, indent=False)
c = Client(procedure, body, utils.GetDaemonPort(constants.NODED))
- c.ConnectNode(node)
+ c.ConnectNode(node, read_timeout=read_timeout)
return c.GetResults()[node]
@staticmethod
# Begin RPC calls
#
+ @_RpcTimeout(_TMO_URGENT)
def call_lv_list(self, node_list, vg_name):
"""Gets the logical volumes present in a given volume group.
"""
return self._MultiNodeCall(node_list, "lv_list", [vg_name])
+ @_RpcTimeout(_TMO_URGENT)
def call_vg_list(self, node_list):
"""Gets the volume group list.
"""
return self._MultiNodeCall(node_list, "vg_list", [])
+ @_RpcTimeout(_TMO_NORMAL)
def call_storage_list(self, node_list, su_name, su_args, name, fields):
"""Get list of storage units.
return self._MultiNodeCall(node_list, "storage_list",
[su_name, su_args, name, fields])
+ @_RpcTimeout(_TMO_NORMAL)
def call_storage_modify(self, node, su_name, su_args, name, changes):
"""Modify a storage unit.
return self._SingleNodeCall(node, "storage_modify",
[su_name, su_args, name, changes])
+ @_RpcTimeout(_TMO_NORMAL)
def call_storage_execute(self, node, su_name, su_args, name, op):
"""Executes an operation on a storage unit.
return self._SingleNodeCall(node, "storage_execute",
[su_name, su_args, name, op])
+ @_RpcTimeout(_TMO_URGENT)
def call_bridges_exist(self, node, bridges_list):
"""Checks if a node has all the bridges given.
"""
return self._SingleNodeCall(node, "bridges_exist", [bridges_list])
+ @_RpcTimeout(_TMO_NORMAL)
def call_instance_start(self, node, instance, hvp, bep):
"""Starts an instance.
idict = self._InstDict(instance, hvp=hvp, bep=bep)
return self._SingleNodeCall(node, "instance_start", [idict])
+ @_RpcTimeout(_TMO_NORMAL)
def call_instance_shutdown(self, node, instance, timeout):
"""Stops an instance.
return self._SingleNodeCall(node, "instance_shutdown",
[self._InstDict(instance), timeout])
+ @_RpcTimeout(_TMO_NORMAL)
def call_migration_info(self, node, instance):
"""Gather the information necessary to prepare an instance migration.
return self._SingleNodeCall(node, "migration_info",
[self._InstDict(instance)])
+ @_RpcTimeout(_TMO_NORMAL)
def call_accept_instance(self, node, instance, info, target):
"""Prepare a node to accept an instance.
return self._SingleNodeCall(node, "accept_instance",
[self._InstDict(instance), info, target])
+ @_RpcTimeout(_TMO_NORMAL)
def call_finalize_migration(self, node, instance, info, success):
"""Finalize any target-node migration specific operation.
return self._SingleNodeCall(node, "finalize_migration",
[self._InstDict(instance), info, success])
+ @_RpcTimeout(_TMO_SLOW)
def call_instance_migrate(self, node, instance, target, live):
"""Migrate an instance.
return self._SingleNodeCall(node, "instance_migrate",
[self._InstDict(instance), target, live])
+ @_RpcTimeout(_TMO_NORMAL)
def call_instance_reboot(self, node, inst, reboot_type, shutdown_timeout):
"""Reboots an instance.
[self._InstDict(inst), reboot_type,
shutdown_timeout])
+ @_RpcTimeout(_TMO_1DAY)
def call_instance_os_add(self, node, inst, reinstall, debug):
"""Installs an OS on the given instance.
return self._SingleNodeCall(node, "instance_os_add",
[self._InstDict(inst), reinstall, debug])
+ @_RpcTimeout(_TMO_SLOW)
def call_instance_run_rename(self, node, inst, old_name, debug):
"""Run the OS rename script for an instance.
return self._SingleNodeCall(node, "instance_run_rename",
[self._InstDict(inst), old_name, debug])
+ @_RpcTimeout(_TMO_URGENT)
def call_instance_info(self, node, instance, hname):
"""Returns information about a single instance.
"""
return self._SingleNodeCall(node, "instance_info", [instance, hname])
+ @_RpcTimeout(_TMO_NORMAL)
def call_instance_migratable(self, node, instance):
"""Checks whether the given instance can be migrated.
return self._SingleNodeCall(node, "instance_migratable",
[self._InstDict(instance)])
+ @_RpcTimeout(_TMO_URGENT)
def call_all_instances_info(self, node_list, hypervisor_list):
"""Returns information about all instances on the given nodes.
return self._MultiNodeCall(node_list, "all_instances_info",
[hypervisor_list])
+ @_RpcTimeout(_TMO_URGENT)
def call_instance_list(self, node_list, hypervisor_list):
"""Returns the list of running instances on a given node.
"""
return self._MultiNodeCall(node_list, "instance_list", [hypervisor_list])
+ @_RpcTimeout(_TMO_FAST)
def call_node_tcp_ping(self, node, source, target, port, timeout,
live_port_needed):
"""Do a TcpPing on the remote node
[source, target, port, timeout,
live_port_needed])
+ @_RpcTimeout(_TMO_FAST)
def call_node_has_ip_address(self, node, address):
"""Checks if a node has the given IP address.
"""
return self._SingleNodeCall(node, "node_has_ip_address", [address])
+ @_RpcTimeout(_TMO_URGENT)
def call_node_info(self, node_list, vg_name, hypervisor_type):
"""Return node information.
return self._MultiNodeCall(node_list, "node_info",
[vg_name, hypervisor_type])
+ @_RpcTimeout(_TMO_NORMAL)
def call_node_add(self, node, dsa, dsapub, rsa, rsapub, ssh, sshpub):
"""Add a node to the cluster.
return self._SingleNodeCall(node, "node_add",
[dsa, dsapub, rsa, rsapub, ssh, sshpub])
+ @_RpcTimeout(_TMO_NORMAL)
def call_node_verify(self, node_list, checkdict, cluster_name):
"""Request verification of given parameters.
[checkdict, cluster_name])
@classmethod
+ @_RpcTimeout(_TMO_FAST)
def call_node_start_master(cls, node, start_daemons, no_voting):
"""Tells a node to activate itself as a master.
[start_daemons, no_voting])
@classmethod
+ @_RpcTimeout(_TMO_FAST)
def call_node_stop_master(cls, node, stop_daemons):
"""Tells a node to demote itself from master status.
return cls._StaticSingleNodeCall(node, "node_stop_master", [stop_daemons])
@classmethod
+ @_RpcTimeout(_TMO_URGENT)
def call_master_info(cls, node_list):
"""Query master info.
return cls._StaticMultiNodeCall(node_list, "master_info", [])
@classmethod
+ @_RpcTimeout(_TMO_URGENT)
def call_version(cls, node_list):
"""Query node version.
"""
return cls._StaticMultiNodeCall(node_list, "version", [])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_create(self, node, bdev, size, owner, on_primary, info):
"""Request creation of a given block device.
return self._SingleNodeCall(node, "blockdev_create",
[bdev.ToDict(), size, owner, on_primary, info])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_remove(self, node, bdev):
"""Request removal of a given block device.
"""
return self._SingleNodeCall(node, "blockdev_remove", [bdev.ToDict()])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_rename(self, node, devlist):
"""Request rename of the given block devices.
return self._SingleNodeCall(node, "blockdev_rename",
[(d.ToDict(), uid) for d, uid in devlist])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_assemble(self, node, disk, owner, on_primary):
"""Request assembling of a given block device.
return self._SingleNodeCall(node, "blockdev_assemble",
[disk.ToDict(), owner, on_primary])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_shutdown(self, node, disk):
"""Request shutdown of a given block device.
"""
return self._SingleNodeCall(node, "blockdev_shutdown", [disk.ToDict()])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_addchildren(self, node, bdev, ndevs):
"""Request adding a list of children to a (mirroring) device.
[bdev.ToDict(),
[disk.ToDict() for disk in ndevs]])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_removechildren(self, node, bdev, ndevs):
"""Request removing a list of children from a (mirroring) device.
[bdev.ToDict(),
[disk.ToDict() for disk in ndevs]])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_getmirrorstatus(self, node, disks):
"""Request status of a (mirroring) device.
for i in result.payload]
return result
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_find(self, node, disk):
"""Request identification of a given block device.
result.payload = objects.BlockDevStatus.FromDict(result.payload)
return result
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_close(self, node, instance_name, disks):
"""Closes the given block devices.
params = [instance_name, [cf.ToDict() for cf in disks]]
return self._SingleNodeCall(node, "blockdev_close", params)
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_getsizes(self, node, disks):
"""Returns the size of the given disks.
params = [[cf.ToDict() for cf in disks]]
return self._SingleNodeCall(node, "blockdev_getsize", params)
+ @_RpcTimeout(_TMO_NORMAL)
def call_drbd_disconnect_net(self, node_list, nodes_ip, disks):
"""Disconnects the network of the given drbd devices.
return self._MultiNodeCall(node_list, "drbd_disconnect_net",
[nodes_ip, [cf.ToDict() for cf in disks]])
+ @_RpcTimeout(_TMO_NORMAL)
def call_drbd_attach_net(self, node_list, nodes_ip,
disks, instance_name, multimaster):
"""Disconnects the given drbd devices.
[nodes_ip, [cf.ToDict() for cf in disks],
instance_name, multimaster])
+ @_RpcTimeout(_TMO_SLOW)
def call_drbd_wait_sync(self, node_list, nodes_ip, disks):
"""Waits for the synchronization of drbd devices is complete.
[nodes_ip, [cf.ToDict() for cf in disks]])
@classmethod
+ @_RpcTimeout(_TMO_NORMAL)
def call_upload_file(cls, node_list, file_name, address_list=None):
"""Upload a file.
address_list=address_list)
@classmethod
+ @_RpcTimeout(_TMO_NORMAL)
def call_write_ssconf_files(cls, node_list, values):
"""Write ssconf files.
"""
return cls._StaticMultiNodeCall(node_list, "write_ssconf_files", [values])
+ @_RpcTimeout(_TMO_FAST)
def call_os_diagnose(self, node_list):
"""Request a diagnose of OS definitions.
"""
return self._MultiNodeCall(node_list, "os_diagnose", [])
+ @_RpcTimeout(_TMO_FAST)
def call_os_get(self, node, name):
"""Returns an OS definition.
result.payload = objects.OS.FromDict(result.payload)
return result
+ @_RpcTimeout(_TMO_NORMAL)
def call_hooks_runner(self, node_list, hpath, phase, env):
"""Call the hooks runner.
params = [hpath, phase, env]
return self._MultiNodeCall(node_list, "hooks_runner", params)
+ @_RpcTimeout(_TMO_NORMAL)
def call_iallocator_runner(self, node, name, idata):
"""Call an iallocator on a remote node
"""
return self._SingleNodeCall(node, "iallocator_runner", [name, idata])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_grow(self, node, cf_bdev, amount):
"""Request a snapshot of the given block device.
return self._SingleNodeCall(node, "blockdev_grow",
[cf_bdev.ToDict(), amount])
+ @_RpcTimeout(_TMO_1DAY)
def call_blockdev_export(self, node, cf_bdev,
dest_node, dest_path, cluster_name):
"""Export a given disk to another node.
[cf_bdev.ToDict(), dest_node, dest_path,
cluster_name])
+ @_RpcTimeout(_TMO_NORMAL)
def call_blockdev_snapshot(self, node, cf_bdev):
"""Request a snapshot of the given block device.
"""
return self._SingleNodeCall(node, "blockdev_snapshot", [cf_bdev.ToDict()])
- def call_snapshot_export(self, node, snap_bdev, dest_node, instance,
- cluster_name, idx, debug):
- """Request the export of a given snapshot.
-
- This is a single-node call.
-
- """
- return self._SingleNodeCall(node, "snapshot_export",
- [snap_bdev.ToDict(), dest_node,
- self._InstDict(instance), cluster_name,
- idx, debug])
-
+ @_RpcTimeout(_TMO_NORMAL)
def call_finalize_export(self, node, instance, snap_disks):
"""Request the completion of an export operation.
return self._SingleNodeCall(node, "finalize_export",
[self._InstDict(instance), flat_disks])
+ @_RpcTimeout(_TMO_FAST)
def call_export_info(self, node, path):
"""Queries the export information in a given path.
"""
return self._SingleNodeCall(node, "export_info", [path])
- def call_instance_os_import(self, node, inst, src_node, src_images,
- cluster_name, debug):
- """Request the import of a backup into an instance.
-
- This is a single-node call.
-
- """
- return self._SingleNodeCall(node, "instance_os_import",
- [self._InstDict(inst), src_node, src_images,
- cluster_name, debug])
-
+ @_RpcTimeout(_TMO_FAST)
def call_export_list(self, node_list):
"""Gets the stored exports list.
"""
return self._MultiNodeCall(node_list, "export_list", [])
+ @_RpcTimeout(_TMO_FAST)
def call_export_remove(self, node, export):
"""Requests removal of a given export.
return self._SingleNodeCall(node, "export_remove", [export])
@classmethod
+ @_RpcTimeout(_TMO_NORMAL)
def call_node_leave_cluster(cls, node, modify_ssh_setup):
"""Requests a node to clean the cluster information it has.
return cls._StaticSingleNodeCall(node, "node_leave_cluster",
[modify_ssh_setup])
+ @_RpcTimeout(_TMO_FAST)
def call_node_volumes(self, node_list):
"""Gets all volumes on node(s).
"""
return self._MultiNodeCall(node_list, "node_volumes", [])
+ @_RpcTimeout(_TMO_FAST)
def call_node_demote_from_mc(self, node):
"""Demote a node from the master candidate role.
"""
return self._SingleNodeCall(node, "node_demote_from_mc", [])
-
+ @_RpcTimeout(_TMO_NORMAL)
def call_node_powercycle(self, node, hypervisor):
"""Tries to powercycle a node.
"""
return self._SingleNodeCall(node, "node_powercycle", [hypervisor])
-
+ @_RpcTimeout(None)
def call_test_delay(self, node_list, duration):
"""Sleep for a fixed time on given node(s).
This is a multi-node call.
"""
- return self._MultiNodeCall(node_list, "test_delay", [duration])
+ return self._MultiNodeCall(node_list, "test_delay", [duration],
+ read_timeout=int(duration + 5))
+ @_RpcTimeout(_TMO_FAST)
def call_file_storage_dir_create(self, node, file_storage_dir):
"""Create the given file storage directory.
return self._SingleNodeCall(node, "file_storage_dir_create",
[file_storage_dir])
+ @_RpcTimeout(_TMO_FAST)
def call_file_storage_dir_remove(self, node, file_storage_dir):
"""Remove the given file storage directory.
return self._SingleNodeCall(node, "file_storage_dir_remove",
[file_storage_dir])
+ @_RpcTimeout(_TMO_FAST)
def call_file_storage_dir_rename(self, node, old_file_storage_dir,
new_file_storage_dir):
"""Rename file storage directory.
[old_file_storage_dir, new_file_storage_dir])
@classmethod
+ @_RpcTimeout(_TMO_FAST)
def call_jobqueue_update(cls, node_list, address_list, file_name, content):
"""Update job queue.
address_list=address_list)
@classmethod
+ @_RpcTimeout(_TMO_NORMAL)
def call_jobqueue_purge(cls, node):
"""Purge job queue.
return cls._StaticSingleNodeCall(node, "jobqueue_purge", [])
@classmethod
+ @_RpcTimeout(_TMO_FAST)
def call_jobqueue_rename(cls, node_list, address_list, rename):
"""Rename a job queue file.
return cls._StaticMultiNodeCall(node_list, "jobqueue_rename", rename,
address_list=address_list)
- @classmethod
- def call_jobqueue_set_drain(cls, node_list, drain_flag):
- """Set the drain flag on the queue.
-
- This is a multi-node call.
-
- @type node_list: list
- @param node_list: the list of nodes to query
- @type drain_flag: bool
- @param drain_flag: if True, will set the drain flag, otherwise reset it.
-
- """
- return cls._StaticMultiNodeCall(node_list, "jobqueue_set_drain",
- [drain_flag])
-
+ @_RpcTimeout(_TMO_NORMAL)
def call_hypervisor_validate_params(self, node_list, hvname, hvparams):
"""Validate the hypervisor params.
hv_full = objects.FillDict(cluster.hvparams.get(hvname, {}), hvparams)
return self._MultiNodeCall(node_list, "hypervisor_validate_params",
[hvname, hv_full])
+
+ @_RpcTimeout(_TMO_NORMAL)
+ def call_x509_cert_create(self, node, validity):
+ """Creates a new X509 certificate for SSL/TLS.
+
+ This is a single-node call.
+
+ @type validity: int
+ @param validity: Validity in seconds
+
+ """
+ return self._SingleNodeCall(node, "x509_cert_create", [validity])
+
+ @_RpcTimeout(_TMO_NORMAL)
+ def call_x509_cert_remove(self, node, name):
+ """Removes a X509 certificate.
+
+ This is a single-node call.
+
+ @type name: string
+ @param name: Certificate name
+
+ """
+ return self._SingleNodeCall(node, "x509_cert_remove", [name])
+
+ @_RpcTimeout(_TMO_NORMAL)
+ def call_import_start(self, node, opts, instance, dest, dest_args):
+ """Starts a listener for an import.
+
+ This is a single-node call.
+
+ @type node: string
+ @param node: Node name
+ @type instance: C{objects.Instance}
+ @param instance: Instance object
+
+ """
+ return self._SingleNodeCall(node, "import_start",
+ [opts.ToDict(),
+ self._InstDict(instance), dest,
+ _EncodeImportExportIO(dest, dest_args)])
+
+ @_RpcTimeout(_TMO_NORMAL)
+ def call_export_start(self, node, opts, host, port,
+ instance, source, source_args):
+ """Starts an export daemon.
+
+ This is a single-node call.
+
+ @type node: string
+ @param node: Node name
+ @type instance: C{objects.Instance}
+ @param instance: Instance object
+
+ """
+ return self._SingleNodeCall(node, "export_start",
+ [opts.ToDict(), host, port,
+ self._InstDict(instance), source,
+ _EncodeImportExportIO(source, source_args)])
+
+ @_RpcTimeout(_TMO_FAST)
+ def call_impexp_status(self, node, names):
+ """Gets the status of an import or export.
+
+ This is a single-node call.
+
+ @type node: string
+ @param node: Node name
+ @type names: List of strings
+ @param names: Import/export names
+ @rtype: List of L{objects.ImportExportStatus} instances
+ @return: Returns a list of the state of each named import/export or None if
+ a status couldn't be retrieved
+
+ """
+ result = self._SingleNodeCall(node, "impexp_status", [names])
+
+ if not result.fail_msg:
+ decoded = []
+
+ for i in result.payload:
+ if i is None:
+ decoded.append(None)
+ continue
+ decoded.append(objects.ImportExportStatus.FromDict(i))
+
+ result.payload = decoded
+
+ return result
+
+ @_RpcTimeout(_TMO_NORMAL)
+ def call_impexp_abort(self, node, name):
+ """Aborts an import or export.
+
+ This is a single-node call.
+
+ @type node: string
+ @param node: Node name
+ @type name: string
+ @param name: Import/export name
+
+ """
+ return self._SingleNodeCall(node, "impexp_abort", [name])
+
+ @_RpcTimeout(_TMO_NORMAL)
+ def call_impexp_cleanup(self, node, name):
+ """Cleans up after an import or export.
+
+ This is a single-node call.
+
+ @type node: string
+ @param node: Node name
+ @type name: string
+ @param name: Import/export name
+
+ """
+ return self._SingleNodeCall(node, "impexp_cleanup", [name])
projects / ganeti-local / blobdiff