#
#
-# Copyright (C) 2006, 2007 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
import logging
import zlib
import base64
+import pycurl
+import threading
from ganeti import utils
from ganeti import objects
from ganeti import serializer
from ganeti import constants
from ganeti import errors
+from ganeti import netutils
+from ganeti import ssconf
# pylint has a bug here, doesn't see this import
import ganeti.http.client # pylint: disable-msg=W0611
-# Module level variable
-_http_manager = None
+# Timeout for connecting to nodes (seconds)
+_RPC_CONNECT_TIMEOUT = 5
+
+_RPC_CLIENT_HEADERS = [
+ "Content-type: %s" % http.HTTP_APP_JSON,
+ "Expect:",
+ ]
+
+# 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.
- Must be called before using any RPC function.
+ Must be called before using any RPC function and while exactly one thread is
+ running.
"""
- global _http_manager # pylint: disable-msg=W0603
-
- assert not _http_manager, "RPC module initialized more than once"
+ # curl_global_init(3) and curl_global_cleanup(3) must be called with only
+ # one thread running. This check is just a safety measure -- it doesn't
+ # cover all cases.
+ assert threading.activeCount() == 1, \
+ "Found more than one active thread when initializing pycURL"
- http.InitSsl()
+ logging.info("Using PycURL %s", pycurl.version)
- _http_manager = http.client.HttpClientManager()
+ pycurl.global_init(pycurl.GLOBAL_ALL)
def Shutdown():
"""Stops the module-global HTTP client manager.
- Must be called before quitting the program.
+ Must be called before quitting the program and while exactly one thread is
+ running.
+
+ """
+ pycurl.global_cleanup()
+
+
+def _ConfigRpcCurl(curl):
+ noded_cert = str(constants.NODED_CERT_FILE)
+
+ curl.setopt(pycurl.FOLLOWLOCATION, False)
+ curl.setopt(pycurl.CAINFO, noded_cert)
+ curl.setopt(pycurl.SSL_VERIFYHOST, 0)
+ curl.setopt(pycurl.SSL_VERIFYPEER, True)
+ curl.setopt(pycurl.SSLCERTTYPE, "PEM")
+ curl.setopt(pycurl.SSLCERT, noded_cert)
+ curl.setopt(pycurl.SSLKEYTYPE, "PEM")
+ curl.setopt(pycurl.SSLKEY, noded_cert)
+ curl.setopt(pycurl.CONNECTTIMEOUT, _RPC_CONNECT_TIMEOUT)
+
+
+# Aliasing this module avoids the following warning by epydoc: "Warning: No
+# information available for ganeti.rpc._RpcThreadLocal's base threading.local"
+_threading = threading
+
+
+class _RpcThreadLocal(_threading.local):
+ def GetHttpClientPool(self):
+ """Returns a per-thread HTTP client pool.
+
+ @rtype: L{http.client.HttpClientPool}
+
+ """
+ try:
+ pool = self.hcp
+ except AttributeError:
+ pool = http.client.HttpClientPool(_ConfigRpcCurl)
+ self.hcp = pool
+
+ return pool
+
+
+# Remove module alias (see above)
+del _threading
+
+
+_thread_local = _RpcThreadLocal()
+
+
+def _RpcTimeout(secs):
+ """Timeout decorator.
+
+ When applied to a rpc call_* function, it updates the global timeout
+ table with the given function/timeout.
"""
- global _http_manager # pylint: disable-msg=W0603
+ def decorator(f):
+ name = f.__name__
+ assert name.startswith("call_")
+ _TIMEOUTS[name[len("call_"):]] = secs
+ return f
+ return decorator
- if _http_manager:
- _http_manager.Shutdown()
- _http_manager = None
+
+def RunWithRPC(fn):
+ """RPC-wrapper decorator.
+
+ When applied to a function, it runs it with the RPC system
+ initialized, and it shutsdown the system afterwards. This means the
+ function must be called without RPC being initialized.
+
+ """
+ def wrapper(*args, **kwargs):
+ Init()
+ try:
+ return fn(*args, **kwargs)
+ finally:
+ Shutdown()
+ return wrapper
class RpcResult(object):
else:
ec = errors.OpExecError
if ecode is not None:
- args = (msg, prereq)
+ args = (msg, ecode)
else:
args = (msg, )
raise ec(*args) # pylint: disable-msg=W0142
+def _AddressLookup(node_list,
+ ssc=ssconf.SimpleStore,
+ nslookup_fn=netutils.Hostname.GetIP):
+ """Return addresses for given node names.
+
+ @type node_list: list
+ @param node_list: List of node names
+ @type ssc: class
+ @param ssc: SimpleStore class that is used to obtain node->ip mappings
+ @type nslookup_fn: callable
+ @param nslookup_fn: function use to do NS lookup
+ @rtype: list of addresses and/or None's
+ @returns: List of corresponding addresses, if found
+
+ """
+ ss = ssc()
+ iplist = ss.GetNodePrimaryIPList()
+ family = ss.GetPrimaryIPFamily()
+ addresses = []
+ ipmap = dict(entry.split() for entry in iplist)
+ for node in node_list:
+ address = ipmap.get(node)
+ if address is None:
+ address = nslookup_fn(node, family=family)
+ addresses.append(address)
+
+ return addresses
+
+
class Client:
"""RPC Client class.
cause bugs.
"""
- def __init__(self, procedure, body, port):
+ def __init__(self, procedure, body, port, address_lookup_fn=_AddressLookup):
+ assert procedure in _TIMEOUTS, ("New RPC call not declared in the"
+ " timeouts table")
self.procedure = procedure
self.body = body
self.port = port
- self.nc = {}
-
- self._ssl_params = \
- http.HttpSslParams(ssl_key_path=constants.NODED_CERT_FILE,
- ssl_cert_path=constants.NODED_CERT_FILE)
+ self._request = {}
+ self._address_lookup_fn = address_lookup_fn
def ConnectList(self, node_list, address_list=None, read_timeout=None):
"""Add a list of nodes to the target nodes.
@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
+ @param read_timeout: overwrites default timeout for operation
"""
if address_list is None:
- address_list = [None for _ in node_list]
- else:
- assert len(node_list) == len(address_list), \
- "Name and address lists should have the same length"
+ # Always use IP address instead of node name
+ address_list = self._address_lookup_fn(node_list)
+
+ assert len(node_list) == len(address_list), \
+ "Name and address lists must have the same length"
+
for node, address in zip(node_list, address_list):
self.ConnectNode(node, address, read_timeout=read_timeout)
@type name: str
@param name: the node name
@type address: str
- @keyword address: the node address, if known
+ @param address: the node address, if known
+ @type read_timeout: int
+ @param read_timeout: overwrites default timeout for operation
"""
if address is None:
- address = name
-
- 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,
+ # Always use IP address instead of node name
+ address = self._address_lookup_fn([name])[0]
+
+ assert(address is not None)
+
+ if read_timeout is None:
+ read_timeout = _TIMEOUTS[self.procedure]
+
+ self._request[name] = \
+ http.client.HttpClientRequest(str(address), self.port,
+ http.HTTP_PUT, str("/%s" % self.procedure),
+ headers=_RPC_CLIENT_HEADERS,
+ post_data=str(self.body),
read_timeout=read_timeout)
- def GetResults(self):
+ def GetResults(self, http_pool=None):
"""Call nodes and return results.
@rtype: list
@return: List of RPC results
"""
- assert _http_manager, "RPC module not initialized"
+ if not http_pool:
+ http_pool = _thread_local.GetHttpClientPool()
- _http_manager.ExecRequests(self.nc.values())
+ http_pool.ProcessRequests(self._request.values())
results = {}
- for name, req in self.nc.iteritems():
+ for name, req in self._request.iteritems():
if req.success and req.resp_status_code == http.HTTP_OK:
results[name] = RpcResult(data=serializer.LoadJson(req.resp_body),
node=name, call=self.procedure)
"""
self._cfg = cfg
- self.port = utils.GetDaemonPort(constants.NODED)
+ self.port = netutils.GetDaemonPort(constants.NODED)
- def _InstDict(self, instance, hvp=None, bep=None):
+ def _InstDict(self, instance, hvp=None, bep=None, osp=None):
"""Convert the given instance to a dict.
This is done via the instance's ToDict() method and additionally
@param hvp: a dictionary with overridden hypervisor parameters
@type bep: dict or None
@param bep: a dictionary with overridden backend parameters
+ @type osp: dict or None
+ @param osp: a dictionary with overridden os parameters
@rtype: dict
@return: the instance dict, with the hvparams filled with the
cluster defaults
idict["beparams"] = cluster.FillBE(instance)
if bep is not None:
idict["beparams"].update(bep)
+ idict["osparams"] = cluster.SimpleFillOS(instance.os, instance.osparams)
+ if osp is not None:
+ idict["osparams"].update(osp)
for nic in idict["nics"]:
nic['nicparams'] = objects.FillDict(
cluster.nicparams[constants.PP_DEFAULT],
"""
body = serializer.DumpJson(args, indent=False)
- c = Client(procedure, body, utils.GetDaemonPort(constants.NODED))
+ c = Client(procedure, body, netutils.GetDaemonPort(constants.NODED))
c.ConnectList(node_list, address_list=address_list,
read_timeout=read_timeout)
return c.GetResults()
"""
body = serializer.DumpJson(args, indent=False)
- c = Client(procedure, body, utils.GetDaemonPort(constants.NODED))
+ c = Client(procedure, body, netutils.GetDaemonPort(constants.NODED))
c.ConnectNode(node, read_timeout=read_timeout)
return c.GetResults()[node]
# 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])
- def call_instance_os_add(self, node, inst, reinstall, debug):
+ @_RpcTimeout(_TMO_1DAY)
+ def call_instance_os_add(self, node, inst, reinstall, debug, osparams=None):
"""Installs an OS on the given instance.
This is a single-node call.
"""
return self._SingleNodeCall(node, "instance_os_add",
- [self._InstDict(inst), reinstall, debug])
+ [self._InstDict(inst, osp=osparams),
+ 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])
- def call_node_add(self, node, dsa, dsapub, rsa, rsapub, ssh, sshpub):
- """Add a node to the cluster.
+ @_RpcTimeout(_TMO_NORMAL)
+ def call_etc_hosts_modify(self, node, mode, name, ip):
+ """Modify hosts file with name
- This is a single-node call.
+ @type node: string
+ @param node: The node to call
+ @type mode: string
+ @param mode: The mode to operate. Currently "add" or "remove"
+ @type name: string
+ @param name: The host name to be modified
+ @type ip: string
+ @param ip: The ip of the entry (just valid if mode is "add")
"""
- return self._SingleNodeCall(node, "node_add",
- [dsa, dsapub, rsa, rsapub, ssh, sshpub])
+ return self._SingleNodeCall(node, "etc_hosts_modify", [mode, name, ip])
+ @_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_SLOW)
+ def call_blockdev_wipe(self, node, bdev, offset, size):
+ """Request wipe at given offset with given size of a block device.
+
+ This is a single-node call.
+
+ """
+ return self._SingleNodeCall(node, "blockdev_wipe",
+ [bdev.ToDict(), offset, size])
+
+ @_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_getmirrorstatus_multi(self, node_list, node_disks):
+ """Request status of (mirroring) devices from multiple nodes.
+
+ This is a multi-node call.
+
+ """
+ result = self._MultiNodeCall(node_list, "blockdev_getmirrorstatus_multi",
+ [dict((name, [dsk.ToDict() for dsk in disks])
+ for name, disks in node_disks.items())])
+ for nres in result.values():
+ if not nres.fail_msg:
+ nres.payload = [objects.BlockDevStatus.FromDict(i)
+ for i in nres.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.
return self._MultiNodeCall(node_list, "drbd_wait_sync",
[nodes_ip, [cf.ToDict() for cf in disks]])
+ @_RpcTimeout(_TMO_URGENT)
+ def call_drbd_helper(self, node_list):
+ """Gets drbd helper.
+
+ This is a multi-node call.
+
+ """
+ return self._MultiNodeCall(node_list, "drbd_helper", [])
+
@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_FAST)
+ def call_os_validate(self, required, nodes, name, checks, params):
+ """Run a validation routine for a given OS.
+
+ This is a multi-node call.
+
+ """
+ return self._MultiNodeCall(nodes, "os_validate",
+ [required, name, checks, params])
+
+ @_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()])
+ @_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])
+ @_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.
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.
"""
return self._SingleNodeCall(node, "x509_cert_create", [validity])
+ @_RpcTimeout(_TMO_NORMAL)
def call_x509_cert_remove(self, node, name):
"""Removes a X509 certificate.
"""
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.
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.
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.
return result
+ @_RpcTimeout(_TMO_NORMAL)
def call_impexp_abort(self, node, name):
"""Aborts an import or export.
"""
return self._SingleNodeCall(node, "impexp_abort", [name])
+ @_RpcTimeout(_TMO_NORMAL)
def call_impexp_cleanup(self, node, name):
"""Cleans up after an import or export.
projects / ganeti-local / blobdiff