-#!/usr/bin/python
+#
#
# Copyright (C) 2006, 2007 Google Inc.
"""
-# pylint: disable-msg=C0103
+# pylint: disable-msg=C0103,R0201,R0904
+# C0103: Invalid name, since call_ are not valid
+# R0201: Method could be a function, we keep all rpcs instance methods
+# as not to change them back and forth between static/instance methods
+# if they need to start using instance attributes
+# R0904: Too many public methods
import os
+import socket
+import httplib
+import logging
-from twisted.internet.pollreactor import PollReactor
-
-class ReReactor(PollReactor):
- """A re-startable Reactor implementation.
-
- """
- def run(self, installSignalHandlers=1):
- """Custom run method.
-
- This is customized run that, before calling Reactor.run, will
- reinstall the shutdown events and re-create the threadpool in case
- these are not present (as will happen on the second run of the
- reactor).
-
- """
- if not 'shutdown' in self._eventTriggers:
- # the shutdown queue has been killed, we are most probably
- # at the second run, thus recreate the queue
- self.addSystemEventTrigger('during', 'shutdown', self.crash)
- self.addSystemEventTrigger('during', 'shutdown', self.disconnectAll)
- if self.threadpool is not None and self.threadpool.joined == 1:
- # in case the threadpool has been stopped, re-start it
- # and add a trigger to stop it at reactor shutdown
- self.threadpool.start()
- self.addSystemEventTrigger('during', 'shutdown', self.threadpool.stop)
-
- return PollReactor.run(self, installSignalHandlers)
-
-
-import twisted.internet.main
-twisted.internet.main.installReactor(ReReactor())
-
-from twisted.spread import pb
-from twisted.internet import reactor
-from twisted.cred import credentials
-from OpenSSL import SSL, crypto
+import simplejson
-from ganeti import logger
from ganeti import utils
-from ganeti import errors
-from ganeti import constants
from ganeti import objects
-from ganeti import ssconf
+
class NodeController:
"""Node-handling class.
def __init__(self, parent, node):
self.parent = parent
self.node = node
+ self.failed = False
- def _check_end(self):
- """Stop the reactor if we got all the results.
-
- """
- if len(self.parent.results) == len(self.parent.nc):
- reactor.stop()
-
- def cb_call(self, obj):
- """Callback for successful connect.
-
- If the connect and login sequence succeeded, we proceed with
- making the actual call.
-
- """
- deferred = obj.callRemote(self.parent.procedure, self.parent.args)
- deferred.addCallbacks(self.cb_done, self.cb_err2)
-
- def cb_done(self, result):
- """Callback for successful call.
-
- When we receive the result from a call, we check if it was an
- error and if so we raise a generic RemoteError (we can't pass yet
- the actual exception over). If there was no error, we store the
- result.
-
- """
- tb, self.parent.results[self.node] = result
- self._check_end()
- if tb:
- raise errors.RemoteError("Remote procedure error calling %s on %s:"
- "\n%s" % (self.parent.procedure,
- self.node,
- tb))
-
- def cb_err1(self, reason):
- """Error callback for unsuccessful connect.
-
- """
- logger.Error("caller_connect: could not connect to remote host %s,"
- " reason %s" % (self.node, reason))
- self.parent.results[self.node] = False
- self._check_end()
-
- def cb_err2(self, reason):
- """Error callback for unsuccessful call.
-
- This is when the call didn't return anything, not even an error,
- or when it time out, etc.
+ self.http_conn = hc = httplib.HTTPConnection(node, self.parent.port)
+ try:
+ hc.connect()
+ hc.putrequest('PUT', "/%s" % self.parent.procedure,
+ skip_accept_encoding=True)
+ hc.putheader('Content-Length', str(len(parent.body)))
+ hc.endheaders()
+ hc.send(parent.body)
+ except socket.error, err:
+ logging.exception("Error connecting to node %s", node)
+ self.failed = True
+
+ def get_response(self):
+ """Try to process the response from the node.
"""
- logger.Error("caller_call: could not call %s on node %s,"
- " reason %s" % (self.parent.procedure, self.node, reason))
- self.parent.results[self.node] = False
- self._check_end()
-
-
-class MirrorContextFactory:
- """Certificate verifier factory.
-
- This factory creates contexts that verify if the remote end has a
- specific certificate (i.e. our own certificate).
-
- The checks we do are that the PEM dump of the certificate is the
- same as our own and (somewhat redundantly) that the SHA checksum is
- the same.
-
- """
- isClient = 1
-
- def __init__(self):
+ if self.failed:
+ # we already failed in connect
+ return False
+ resp = self.http_conn.getresponse()
+ if resp.status != 200:
+ return False
try:
- fd = open(constants.SSL_CERT_FILE, 'r')
- try:
- data = fd.read(16384)
- finally:
- fd.close()
- except EnvironmentError, err:
- raise errors.ConfigurationError("missing SSL certificate: %s" %
- str(err))
- self.mycert = crypto.load_certificate(crypto.FILETYPE_PEM, data)
- self.mypem = crypto.dump_certificate(crypto.FILETYPE_PEM, self.mycert)
- self.mydigest = self.mycert.digest('SHA')
-
- def verifier(self, conn, x509, errno, err_depth, retcode):
- """Certificate verify method.
-
- """
- if self.mydigest != x509.digest('SHA'):
+ length = int(resp.getheader('Content-Length', '0'))
+ except ValueError:
return False
- if crypto.dump_certificate(crypto.FILETYPE_PEM, x509) != self.mypem:
+ if not length:
+ logging.error("Zero-length reply from node %s", self.node)
return False
- return True
+ payload = resp.read(length)
+ unload = simplejson.loads(payload)
+ return unload
- def getContext(self):
- """Context generator.
-
- """
- context = SSL.Context(SSL.TLSv1_METHOD)
- context.set_verify(SSL.VERIFY_PEER, self.verifier)
- return context
class Client:
"""RPC Client class.
- This class, given a (remote) ethod name, a list of parameters and a
+ This class, given a (remote) method name, a list of parameters and a
list of nodes, will contact (in parallel) all nodes, and return a
dict of results (key: node name, value: result).
allresult = []
def __init__(self, procedure, args):
- ss = ssconf.SimpleStore()
- self.port = ss.GetNodeDaemonPort()
- self.nodepw = ss.GetNodeDaemonPassword()
+ self.port = utils.GetNodeDaemonPort()
+ self.nodepw = utils.GetNodeDaemonPassword()
self.nc = {}
self.results = {}
self.procedure = procedure
self.args = args
+ self.body = simplejson.dumps(args)
#--- generic connector -------------
"""Add a node to the target list.
"""
- factory = pb.PBClientFactory()
self.nc[connect_node] = nc = NodeController(self, connect_node)
- reactor.connectSSL(connect_node, self.port, factory,
- MirrorContextFactory())
- #d = factory.getRootObject()
- d = factory.login(credentials.UsernamePassword("master_node", self.nodepw))
- d.addCallbacks(nc.cb_call, nc.cb_err1)
def getresult(self):
"""Return the results of the call.
queued, otherwise it does nothing.
"""
- if self.nc:
- reactor.run()
+ for node, nc in self.nc.items():
+ self.results[node] = nc.get_response()
-def call_volume_list(node_list, vg_name):
- """Gets the logical volumes present in a given volume group.
+class RpcRunner(object):
+ """RPC runner class"""
- This is a multi-node call.
+ def __init__(self, cfg):
+ """Initialized the rpc runner.
- """
- c = Client("volume_list", [vg_name])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ @type cfg: C{config.ConfigWriter}
+ @param cfg: the configuration object that will be used to get data
+ about the cluster
+ """
+ self._cfg = cfg
-def call_vg_list(node_list):
- """Gets the volume group list.
+ def _InstDict(self, instance):
+ """Convert the given instance to a dict.
- This is a multi-node call.
+ This is done via the instance's ToDict() method and additionally
+ we fill the hvparams with the cluster defaults.
- """
- c = Client("vg_list", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ @type instance: L{objects.Instance}
+ @param instance: an Instance object
+ @rtype: dict
+ @return: the instance dict, with the hvparams filled with the
+ cluster defaults
+ """
+ idict = instance.ToDict()
+ cluster = self._cfg.GetClusterInfo()
+ idict["hvparams"] = cluster.FillHV(instance)
+ idict["beparams"] = cluster.FillBE(instance)
+ return idict
-def call_bridges_exist(node, bridges_list):
- """Checks if a node has all the bridges given.
+ def call_volume_list(self, node_list, vg_name):
+ """Gets the logical volumes present in a given volume group.
- This method checks if all bridges given in the bridges_list are
- present on the remote node, so that an instance that uses interfaces
- on those bridges can be started.
+ This is a multi-node call.
- This is a single-node call.
+ """
+ c = Client("volume_list", [vg_name])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- """
- c = Client("bridges_exist", [bridges_list])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_vg_list(self, node_list):
+ """Gets the volume group list.
+ This is a multi-node call.
-def call_instance_start(node, instance, extra_args):
- """Stars an instance.
+ """
+ c = Client("vg_list", [])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- This is a single-node call.
+ def call_bridges_exist(self, node, bridges_list):
+ """Checks if a node has all the bridges given.
- """
- c = Client("instance_start", [instance.Dumps(), extra_args])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This method checks if all bridges given in the bridges_list are
+ present on the remote node, so that an instance that uses interfaces
+ on those bridges can be started.
+ This is a single-node call.
-def call_instance_shutdown(node, instance):
- """Stops an instance.
+ """
+ c = Client("bridges_exist", [bridges_list])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This is a single-node call.
+ def call_instance_start(self, node, instance, extra_args):
+ """Starts an instance.
- """
- c = Client("instance_shutdown", [instance.Dumps()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a single-node call.
+ """
+ c = Client("instance_start", [self._InstDict(instance), extra_args])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_instance_os_add(node, inst, osdev, swapdev):
- """Installs an OS on the given instance.
+ def call_instance_shutdown(self, node, instance):
+ """Stops an instance.
- This is a single-node call.
+ This is a single-node call.
- """
- params = [inst.Dumps(), osdev, swapdev]
- c = Client("instance_os_add", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ """
+ c = Client("instance_shutdown", [self._InstDict(instance)])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+
+ def call_instance_migrate(self, node, instance, target, live):
+ """Migrate an instance.
+
+ This is a single-node call.
+
+ @type node: string
+ @param node: the node on which the instance is currently running
+ @type instance: C{objects.Instance}
+ @param instance: the instance definition
+ @type target: string
+ @param target: the target node name
+ @type live: boolean
+ @param live: whether the migration should be done live or not (the
+ interpretation of this parameter is left to the hypervisor)
+ """
+ c = Client("instance_migrate", [self._InstDict(instance), target, live])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_instance_run_rename(node, inst, old_name, osdev, swapdev):
- """Run the OS rename script for an instance.
+ def call_instance_reboot(self, node, instance, reboot_type, extra_args):
+ """Reboots an instance.
- This is a single-node call.
+ This is a single-node call.
- """
- params = [inst.Dumps(), old_name, osdev, swapdev]
- c = Client("instance_run_rename", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ """
+ c = Client("instance_reboot", [self._InstDict(instance),
+ reboot_type, extra_args])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+ def call_instance_os_add(self, node, inst):
+ """Installs an OS on the given instance.
-def call_instance_info(node, instance):
- """Returns information about a single instance.
+ This is a single-node call.
- This is a single-node call.
+ """
+ params = [self._InstDict(inst)]
+ c = Client("instance_os_add", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- c = Client("instance_info", [instance])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_instance_run_rename(self, node, inst, old_name):
+ """Run the OS rename script for an instance.
+ This is a single-node call.
-def call_all_instances_info(node_list):
- """Returns information about all instances on a given node.
+ """
+ params = [self._InstDict(inst), old_name]
+ c = Client("instance_run_rename", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This is a single-node call.
+ def call_instance_info(self, node, instance, hname):
+ """Returns information about a single instance.
- """
- c = Client("all_instances_info", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ This is a single-node call.
+ @type node_list: list
+ @param node_list: the list of nodes to query
+ @type instance: string
+ @param instance: the instance name
+ @type hname: string
+ @param hname: the hypervisor type of the instance
-def call_instance_list(node_list):
- """Returns the list of running instances on a given node.
+ """
+ c = Client("instance_info", [instance, hname])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This is a single-node call.
+ def call_all_instances_info(self, node_list, hypervisor_list):
+ """Returns information about all instances on the given nodes.
- """
- c = Client("instance_list", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ This is a multi-node call.
+ @type node_list: list
+ @param node_list: the list of nodes to query
+ @type hypervisor_list: list
+ @param hypervisor_list: the hypervisors to query for instances
-def call_node_info(node_list, vg_name):
- """Return node information.
+ """
+ c = Client("all_instances_info", [hypervisor_list])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- This will return memory information and volume group size and free
- space.
+ def call_instance_list(self, node_list, hypervisor_list):
+ """Returns the list of running instances on a given node.
- This is a multi-node call.
+ This is a multi-node call.
- """
- c = Client("node_info", [vg_name])
- c.connect_list(node_list)
- c.run()
- retux = c.getresult()
+ @type node_list: list
+ @param node_list: the list of nodes to query
+ @type hypervisor_list: list
+ @param hypervisor_list: the hypervisors to query for instances
- for node_name in retux:
- ret = retux.get(node_name, False)
- if type(ret) != dict:
- logger.Error("could not connect to node %s" % (node_name))
- ret = {}
+ """
+ c = Client("instance_list", [hypervisor_list])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- utils.CheckDict(ret,
- { 'memory_total' : '-',
- 'memory_dom0' : '-',
- 'memory_free' : '-',
- 'vg_size' : 'node_unreachable',
- 'vg_free' : '-' },
- "call_node_info",
- )
- return retux
+ def call_node_tcp_ping(self, node, source, target, port, timeout,
+ live_port_needed):
+ """Do a TcpPing on the remote node
+ This is a single-node call.
-def call_node_add(node, dsa, dsapub, rsa, rsapub, ssh, sshpub):
- """Add a node to the cluster.
+ """
+ c = Client("node_tcp_ping", [source, target, port, timeout,
+ live_port_needed])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This is a single-node call.
+ def call_node_has_ip_address(self, node, address):
+ """Checks if a node has the given IP address.
- """
- params = [dsa, dsapub, rsa, rsapub, ssh, sshpub]
- c = Client("node_add", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a single-node call.
+ """
+ c = Client("node_has_ip_address", [address])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_node_verify(node_list, checkdict):
- """Request verification of given parameters.
+ def call_node_info(self, node_list, vg_name, hypervisor_type):
+ """Return node information.
- This is a multi-node call.
+ This will return memory information and volume group size and free
+ space.
- """
- c = Client("node_verify", [checkdict])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ This is a multi-node call.
+ @type node_list: list
+ @param node_list: the list of nodes to query
+ @type vgname: C{string}
+ @param vgname: the name of the volume group to ask for disk space
+ information
+ @type hypervisor_type: C{str}
+ @param hypervisor_type: the name of the hypervisor to ask for
+ memory information
-def call_node_start_master(node):
- """Tells a node to activate itself as a master.
+ """
+ c = Client("node_info", [vg_name, hypervisor_type])
+ c.connect_list(node_list)
+ c.run()
+ retux = c.getresult()
+
+ for node_name in retux:
+ ret = retux.get(node_name, False)
+ if type(ret) != dict:
+ logging.error("could not connect to node %s", node_name)
+ ret = {}
+
+ utils.CheckDict(ret,
+ { 'memory_total' : '-',
+ 'memory_dom0' : '-',
+ 'memory_free' : '-',
+ 'vg_size' : 'node_unreachable',
+ 'vg_free' : '-' },
+ "call_node_info",
+ )
+ return retux
+
+ def call_node_add(self, node, dsa, dsapub, rsa, rsapub, ssh, sshpub):
+ """Add a node to the cluster.
+
+ This is a single-node call.
- This is a single-node call.
+ """
+ params = [dsa, dsapub, rsa, rsapub, ssh, sshpub]
+ c = Client("node_add", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- c = Client("node_start_master", [])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_node_verify(self, node_list, checkdict, cluster_name):
+ """Request verification of given parameters.
+ This is a multi-node call.
-def call_node_stop_master(node):
- """Tells a node to demote itself from master status.
+ """
+ c = Client("node_verify", [checkdict, cluster_name])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- This is a single-node call.
+ @staticmethod
+ def call_node_start_master(node, start_daemons):
+ """Tells a node to activate itself as a master.
- """
- c = Client("node_stop_master", [])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a single-node call.
+ """
+ c = Client("node_start_master", [start_daemons])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_version(node_list):
- """Query node version.
+ @staticmethod
+ def call_node_stop_master(node, stop_daemons):
+ """Tells a node to demote itself from master status.
- This is a multi-node call.
+ This is a single-node call.
- """
- c = Client("version", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ """
+ c = Client("node_stop_master", [stop_daemons])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+ @staticmethod
+ def call_master_info(node_list):
+ """Query master info.
-def call_blockdev_create(node, bdev, size, on_primary, info):
- """Request creation of a given block device.
+ This is a multi-node call.
- This is a single-node call.
+ """
+ # TODO: should this method query down nodes?
+ c = Client("master_info", [])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- """
- params = [bdev.Dumps(), size, on_primary, info]
- c = Client("blockdev_create", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_version(self, node_list):
+ """Query node version.
+ This is a multi-node call.
-def call_blockdev_remove(node, bdev):
- """Request removal of a given block device.
+ """
+ c = Client("version", [])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- This is a single-node call.
+ def call_blockdev_create(self, node, bdev, size, owner, on_primary, info):
+ """Request creation of a given block device.
- """
- c = Client("blockdev_remove", [bdev.Dumps()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a single-node call.
+ """
+ params = [bdev.ToDict(), size, owner, on_primary, info]
+ c = Client("blockdev_create", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_blockdev_assemble(node, disk, on_primary):
- """Request assembling of a given block device.
+ def call_blockdev_remove(self, node, bdev):
+ """Request removal of a given block device.
- This is a single-node call.
+ This is a single-node call.
- """
- params = [disk.Dumps(), on_primary]
- c = Client("blockdev_assemble", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ """
+ c = Client("blockdev_remove", [bdev.ToDict()])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+ def call_blockdev_rename(self, node, devlist):
+ """Request rename of the given block devices.
-def call_blockdev_shutdown(node, disk):
- """Request shutdown of a given block device.
+ This is a single-node call.
- This is a single-node call.
+ """
+ params = [(d.ToDict(), uid) for d, uid in devlist]
+ c = Client("blockdev_rename", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- c = Client("blockdev_shutdown", [disk.Dumps()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_blockdev_assemble(self, node, disk, owner, on_primary):
+ """Request assembling of a given block device.
+ This is a single-node call.
-def call_blockdev_addchild(node, bdev, ndev):
- """Request adding a new child to a (mirroring) device.
+ """
+ params = [disk.ToDict(), owner, on_primary]
+ c = Client("blockdev_assemble", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This is a single-node call.
+ def call_blockdev_shutdown(self, node, disk):
+ """Request shutdown of a given block device.
- """
- params = [bdev.Dumps(), ndev.Dumps()]
- c = Client("blockdev_addchild", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a single-node call.
+ """
+ c = Client("blockdev_shutdown", [disk.ToDict()])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_blockdev_removechild(node, bdev, ndev):
- """Request removing a new child from a (mirroring) device.
+ def call_blockdev_addchildren(self, node, bdev, ndevs):
+ """Request adding a list of children to a (mirroring) device.
- This is a single-node call.
+ This is a single-node call.
- """
- params = [bdev.Dumps(), ndev.Dumps()]
- c = Client("blockdev_removechild", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ """
+ params = [bdev.ToDict(), [disk.ToDict() for disk in ndevs]]
+ c = Client("blockdev_addchildren", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+ def call_blockdev_removechildren(self, node, bdev, ndevs):
+ """Request removing a list of children from a (mirroring) device.
-def call_blockdev_getmirrorstatus(node, disks):
- """Request status of a (mirroring) device.
+ This is a single-node call.
- This is a single-node call.
+ """
+ params = [bdev.ToDict(), [disk.ToDict() for disk in ndevs]]
+ c = Client("blockdev_removechildren", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- params = [dsk.Dumps() for dsk in disks]
- c = Client("blockdev_getmirrorstatus", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_blockdev_getmirrorstatus(self, node, disks):
+ """Request status of a (mirroring) device.
+ This is a single-node call.
-def call_blockdev_find(node, disk):
- """Request identification of a given block device.
+ """
+ params = [dsk.ToDict() for dsk in disks]
+ c = Client("blockdev_getmirrorstatus", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This is a single-node call.
+ def call_blockdev_find(self, node, disk):
+ """Request identification of a given block device.
- """
- c = Client("blockdev_find", [disk.Dumps()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a single-node call.
+ """
+ c = Client("blockdev_find", [disk.ToDict()])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_upload_file(node_list, file_name):
- """Upload a file.
+ def call_blockdev_close(self, node, disks):
+ """Closes the given block devices.
- The node will refuse the operation in case the file is not on the
- approved file list.
+ This is a single-node call.
- This is a multi-node call.
+ """
+ params = [cf.ToDict() for cf in disks]
+ c = Client("blockdev_close", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- fh = file(file_name)
- try:
- data = fh.read()
- finally:
- fh.close()
- st = os.stat(file_name)
- params = [file_name, data, st.st_mode, st.st_uid, st.st_gid,
- st.st_atime, st.st_mtime]
- c = Client("upload_file", params)
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ @staticmethod
+ def call_upload_file(node_list, file_name):
+ """Upload a file.
+ The node will refuse the operation in case the file is not on the
+ approved file list.
-def call_os_diagnose(node_list):
- """Request a diagnose of OS definitions.
+ This is a multi-node call.
- This is a multi-node call.
+ """
+ fh = file(file_name)
+ try:
+ data = fh.read()
+ finally:
+ fh.close()
+ st = os.stat(file_name)
+ params = [file_name, data, st.st_mode, st.st_uid, st.st_gid,
+ st.st_atime, st.st_mtime]
+ c = Client("upload_file", params)
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
+
+ def call_os_diagnose(self, node_list):
+ """Request a diagnose of OS definitions.
+
+ This is a multi-node call.
- """
- c = Client("os_diagnose", [])
- c.connect_list(node_list)
- c.run()
- result = c.getresult()
- new_result = {}
- for node_name in result:
- nr = []
- if result[node_name]:
- for data in result[node_name]:
- if data:
- if isinstance(data, basestring):
- nr.append(objects.ConfigObject.Loads(data))
- elif isinstance(data, tuple) and len(data) == 2:
- nr.append(errors.InvalidOS(data[0], data[1]))
- else:
- raise errors.ProgrammerError("Invalid data from"
- " xcserver.os_diagnose")
- new_result[node_name] = nr
- return new_result
-
-
-def call_os_get(node_list, name):
- """Returns an OS definition.
-
- This is a multi-node call.
+ """
+ c = Client("os_diagnose", [])
+ c.connect_list(node_list)
+ c.run()
+ result = c.getresult()
+ new_result = {}
+ for node_name in result:
+ if result[node_name]:
+ nr = [objects.OS.FromDict(oss) for oss in result[node_name]]
+ else:
+ nr = []
+ new_result[node_name] = nr
+ return new_result
+
+ def call_os_get(self, node, name):
+ """Returns an OS definition.
+
+ This is a single-node call.
- """
- c = Client("os_get", [name])
- c.connect_list(node_list)
- c.run()
- result = c.getresult()
- new_result = {}
- for node_name in result:
- data = result[node_name]
- if isinstance(data, basestring):
- new_result[node_name] = objects.ConfigObject.Loads(data)
- elif isinstance(data, tuple) and len(data) == 2:
- new_result[node_name] = errors.InvalidOS(data[0], data[1])
+ """
+ c = Client("os_get", [name])
+ c.connect(node)
+ c.run()
+ result = c.getresult().get(node, False)
+ if isinstance(result, dict):
+ return objects.OS.FromDict(result)
else:
- new_result[node_name] = data
- return new_result
+ return result
+
+ def call_hooks_runner(self, node_list, hpath, phase, env):
+ """Call the hooks runner.
+
+ Args:
+ - op: the OpCode instance
+ - env: a dictionary with the environment
+ This is a multi-node call.
-def call_hooks_runner(node_list, hpath, phase, env):
- """Call the hooks runner.
+ """
+ params = [hpath, phase, env]
+ c = Client("hooks_runner", params)
+ c.connect_list(node_list)
+ c.run()
+ result = c.getresult()
+ return result
- Args:
- - op: the OpCode instance
- - env: a dictionary with the environment
+ def call_iallocator_runner(self, node, name, idata):
+ """Call an iallocator on a remote node
- This is a multi-node call.
+ Args:
+ - name: the iallocator name
+ - input: the json-encoded input string
- """
- params = [hpath, phase, env]
- c = Client("hooks_runner", params)
- c.connect_list(node_list)
- c.run()
- result = c.getresult()
- return result
+ This is a single-node call.
+ """
+ params = [name, idata]
+ c = Client("iallocator_runner", params)
+ c.connect(node)
+ c.run()
+ result = c.getresult().get(node, False)
+ return result
-def call_blockdev_snapshot(node, cf_bdev):
- """Request a snapshot of the given block device.
+ def call_blockdev_grow(self, node, cf_bdev, amount):
+ """Request a snapshot of the given block device.
- This is a single-node call.
+ This is a single-node call.
- """
- c = Client("blockdev_snapshot", [cf_bdev.Dumps()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ """
+ c = Client("blockdev_grow", [cf_bdev.ToDict(), amount])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+ def call_blockdev_snapshot(self, node, cf_bdev):
+ """Request a snapshot of the given block device.
-def call_snapshot_export(node, snap_bdev, dest_node, instance):
- """Request the export of a given snapshot.
+ This is a single-node call.
- This is a single-node call.
+ """
+ c = Client("blockdev_snapshot", [cf_bdev.ToDict()])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- params = [snap_bdev.Dumps(), dest_node, instance.Dumps()]
- c = Client("snapshot_export", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_snapshot_export(self, node, snap_bdev, dest_node, instance,
+ cluster_name):
+ """Request the export of a given snapshot.
+ This is a single-node call.
-def call_finalize_export(node, instance, snap_disks):
- """Request the completion of an export operation.
+ """
+ params = [snap_bdev.ToDict(), dest_node,
+ self._InstDict(instance), cluster_name]
+ c = Client("snapshot_export", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This writes the export config file, etc.
+ def call_finalize_export(self, node, instance, snap_disks):
+ """Request the completion of an export operation.
- This is a single-node call.
+ This writes the export config file, etc.
- """
- flat_disks = []
- for disk in snap_disks:
- flat_disks.append(disk.Dumps())
- params = [instance.Dumps(), flat_disks]
- c = Client("finalize_export", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a single-node call.
+ """
+ flat_disks = []
+ for disk in snap_disks:
+ flat_disks.append(disk.ToDict())
+ params = [self._InstDict(instance), flat_disks]
+ c = Client("finalize_export", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
-def call_export_info(node, path):
- """Queries the export information in a given path.
+ def call_export_info(self, node, path):
+ """Queries the export information in a given path.
- This is a single-node call.
+ This is a single-node call.
- """
- c = Client("export_info", [path])
- c.connect(node)
- c.run()
- result = c.getresult().get(node, False)
- if not result:
+ """
+ c = Client("export_info", [path])
+ c.connect(node)
+ c.run()
+ result = c.getresult().get(node, False)
+ if not result:
+ return result
+ return objects.SerializableConfigParser.Loads(str(result))
+
+ def call_instance_os_import(self, node, inst, osdev, swapdev,
+ src_node, src_image, cluster_name):
+ """Request the import of a backup into an instance.
+
+ This is a single-node call.
+
+ """
+ params = [self._InstDict(inst), osdev, swapdev,
+ src_node, src_image, cluster_name]
+ c = Client("instance_os_import", params)
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+
+ def call_export_list(self, node_list):
+ """Gets the stored exports list.
+
+ This is a multi-node call.
+
+ """
+ c = Client("export_list", [])
+ c.connect_list(node_list)
+ c.run()
+ result = c.getresult()
return result
- return objects.SerializableConfigParser.Loads(result)
+ def call_export_remove(self, node, export):
+ """Requests removal of a given export.
-def call_instance_os_import(node, inst, osdev, swapdev, src_node, src_image):
- """Request the import of a backup into an instance.
+ This is a single-node call.
- This is a single-node call.
+ """
+ c = Client("export_remove", [export])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- params = [inst.Dumps(), osdev, swapdev, src_node, src_image]
- c = Client("instance_os_import", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ @staticmethod
+ def call_node_leave_cluster(node):
+ """Requests a node to clean the cluster information it has.
+ This will remove the configuration information from the ganeti data
+ dir.
-def call_export_list(node_list):
- """Gets the stored exports list.
+ This is a single-node call.
- This is a multi-node call.
+ """
+ c = Client("node_leave_cluster", [])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- c = Client("export_list", [])
- c.connect_list(node_list)
- c.run()
- result = c.getresult()
- return result
+ def call_node_volumes(self, node_list):
+ """Gets all volumes on node(s).
+ This is a multi-node call.
-def call_export_remove(node, export):
- """Requests removal of a given export.
+ """
+ c = Client("node_volumes", [])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
- This is a single-node call.
+ def call_test_delay(self, node_list, duration):
+ """Sleep for a fixed time on given node(s).
- """
- c = Client("export_remove", [export])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ This is a multi-node call.
+ """
+ c = Client("test_delay", [duration])
+ c.connect_list(node_list)
+ c.run()
+ return c.getresult()
-def call_node_leave_cluster(node):
- """Requests a node to clean the cluster information it has.
+ def call_file_storage_dir_create(self, node, file_storage_dir):
+ """Create the given file storage directory.
- This will remove the configuration information from the ganeti data
- dir.
+ This is a single-node call.
- This is a single-node call.
+ """
+ c = Client("file_storage_dir_create", [file_storage_dir])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- """
- c = Client("node_leave_cluster", [])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ def call_file_storage_dir_remove(self, node, file_storage_dir):
+ """Remove the given file storage directory.
+ This is a single-node call.
-def call_node_volumes(node_list):
- """Gets all volumes on node(s).
+ """
+ c = Client("file_storage_dir_remove", [file_storage_dir])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
- This is a multi-node call.
+ def call_file_storage_dir_rename(self, node, old_file_storage_dir,
+ new_file_storage_dir):
+ """Rename file storage directory.
- """
- c = Client("node_volumes", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ This is a single-node call.
+
+ """
+ c = Client("file_storage_dir_rename",
+ [old_file_storage_dir, new_file_storage_dir])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+
+ @staticmethod
+ def call_jobqueue_update(node_list, file_name, content):
+ """Update job queue.
+
+ This is a multi-node call.
+
+ """
+ c = Client("jobqueue_update", [file_name, content])
+ c.connect_list(node_list)
+ c.run()
+ result = c.getresult()
+ return result
+
+ @staticmethod
+ def call_jobqueue_purge(node):
+ """Purge job queue.
+
+ This is a single-node call.
+
+ """
+ c = Client("jobqueue_purge", [])
+ c.connect(node)
+ c.run()
+ return c.getresult().get(node, False)
+
+ @staticmethod
+ def call_jobqueue_rename(node_list, old, new):
+ """Rename a job queue file.
+
+ This is a multi-node call.
+
+ """
+ c = Client("jobqueue_rename", [old, new])
+ c.connect_list(node_list)
+ c.run()
+ result = c.getresult()
+ return result
+
+
+ @staticmethod
+ def call_jobqueue_set_drain(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.
+
+ """
+ c = Client("jobqueue_set_drain", [drain_flag])
+ c.connect_list(node_list)
+ c.run()
+ result = c.getresult()
+ return result
+
+
+ def call_hypervisor_validate_params(self, node_list, hvname, hvparams):
+ """Validate the hypervisor params.
+
+ This is a multi-node call.
+
+ @type node_list: list
+ @param node_list: the list of nodes to query
+ @type hvname: string
+ @param hvname: the hypervisor name
+ @type hvparams: dict
+ @param hvparams: the hypervisor parameters to be validated
+
+ """
+ cluster = self._cfg.GetClusterInfo()
+ hv_full = cluster.FillDict(cluster.hvparams.get(hvname, {}), hvparams)
+ c = Client("hypervisor_validate_params", [hvname, hv_full])
+ c.connect_list(node_list)
+ c.run()
+ result = c.getresult()
+ return result
projects / ganeti-local / blobdiff