# 02110-1301, USA.
-"""Script to show add a new node to the cluster
+"""Inter-node RPC library.
"""
import httplib
import logging
-import simplejson
-
from ganeti import utils
from ganeti import objects
+from ganeti import http
+from ganeti import serializer
+from ganeti import constants
+
+
+# Module level variable
+_http_manager = None
+
+
+def Init():
+ """Initializes the module-global HTTP client manager.
+
+ Must be called before using any RPC function.
+
+ """
+ global _http_manager
+ assert not _http_manager, "RPC module initialized more than once"
-class NodeController:
- """Node-handling class.
+ _http_manager = http.HttpClientManager()
- For each node that we speak with, we create an instance of this
- class, so that we have a safe place to store the details of this
- individual call.
+
+def Shutdown():
+ """Stops the module-global HTTP client manager.
+
+ Must be called before quitting the program.
"""
- def __init__(self, parent, node):
- self.parent = parent
- self.node = node
- self.failed = False
-
- 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.
-
- """
- if self.failed:
- # we already failed in connect
- return False
- resp = self.http_conn.getresponse()
- if resp.status != 200:
- return False
- try:
- length = int(resp.getheader('Content-Length', '0'))
- except ValueError:
- return False
- if not length:
- logging.error("Zero-length reply from node %s", self.node)
- return False
- payload = resp.read(length)
- unload = simplejson.loads(payload)
- return unload
+ global _http_manager
+
+ if _http_manager:
+ _http_manager.Shutdown()
+ _http_manager = None
class Client:
cause bugs.
"""
- result_set = False
- result = False
- allresult = []
-
def __init__(self, procedure, args):
- self.port = utils.GetNodeDaemonPort()
- self.nodepw = utils.GetNodeDaemonPassword()
- self.nc = {}
- self.results = {}
self.procedure = procedure
self.args = args
- self.body = simplejson.dumps(args)
+ self.body = serializer.DumpJson(args, indent=False)
+
+ self.port = utils.GetNodeDaemonPort()
+ self.nc = {}
- #--- generic connector -------------
+ self._ssl_params = \
+ http.HttpSslParams(ssl_key_path=constants.SSL_CERT_FILE,
+ ssl_cert_path=constants.SSL_CERT_FILE)
- def connect_list(self, node_list):
+ def ConnectList(self, node_list, address_list=None):
"""Add a list of nodes to the target nodes.
+ @type node_list: list
+ @param node_list: the list of node names to connect
+ @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
+
"""
- for node in node_list:
- self.connect(node)
+ 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"
+ for node, address in zip(node_list, address_list):
+ self.ConnectNode(node, address)
- def connect(self, connect_node):
+ def ConnectNode(self, name, address=None):
"""Add a node to the target list.
+ @type name: str
+ @param name: the node name
+ @type address: str
+ @keyword address: the node address, if known
+
"""
- self.nc[connect_node] = nc = NodeController(self, connect_node)
+ if address is None:
+ address = name
+
+ self.nc[name] = http.HttpClientRequest(address, self.port, http.HTTP_PUT,
+ "/%s" % self.procedure,
+ post_data=self.body,
+ ssl_params=self._ssl_params,
+ ssl_verify_peer=True)
+
+ def GetResults(self):
+ """Call nodes and return results.
- def getresult(self):
- """Return the results of the call.
+ @rtype: list
+ @returns: List of RPC results
"""
- return self.results
+ assert _http_manager, "RPC module not intialized"
- def run(self):
- """Wrapper over reactor.run().
+ _http_manager.ExecRequests(self.nc.values())
- This function simply calls reactor.run() if we have any requests
- queued, otherwise it does nothing.
+ results = {}
- """
- for node, nc in self.nc.items():
- self.results[node] = nc.get_response()
+ for name, req in self.nc.iteritems():
+ if req.success and req.resp_status == http.HTTP_OK:
+ results[name] = serializer.LoadJson(req.resp_body)
+ continue
+
+ # TODO: Better error reporting
+ if req.error:
+ msg = req.error
+ else:
+ msg = req.resp_body
+
+ logging.error("RPC error from node %s: %s", name, msg)
+ results[name] = False
+
+ return results
class RpcRunner(object):
idict["beparams"] = cluster.FillBE(instance)
return idict
+ def _ConnectList(self, client, node_list):
+ """Helper for computing node addresses.
+
+ @type client: L{Client}
+ @param client: a C{Client} instance
+ @type node_list: list
+ @param node_list: the node list we should connect
+
+ """
+ all_nodes = self._cfg.GetAllNodesInfo()
+ addr_list = []
+ for node in node_list:
+ if node in all_nodes:
+ val = all_nodes[node].primary_ip
+ else:
+ val = None
+ addr_list.append(val)
+ client.ConnectList(node_list, address_list=addr_list)
+
+ def _ConnectNode(self, client, node):
+ """Helper for computing one node's address.
+
+ @type client: L{Client}
+ @param client: a C{Client} instance
+ @type node: str
+ @param node: the node we should connect
+
+ """
+ node_info = self._cfg.GetNodeInfo(node)
+ if node_info is not None:
+ addr = node_info.primary_ip
+ else:
+ addr = None
+ client.ConnectNode(node, address=addr)
+
+ def _MultiNodeCall(self, node_list, procedure, args,
+ address_list=None):
+ c = Client(procedure, args)
+ if address_list is None:
+ self._ConnectList(c, node_list)
+ else:
+ c.ConnectList(node_list, address_list=address_list)
+ return c.GetResults()
+
+ @classmethod
+ def _StaticMultiNodeCall(cls, node_list, procedure, args,
+ address_list=None):
+ c = Client(procedure, args)
+ c.ConnectList(node_list, address_list=address_list)
+ return c.GetResults()
+
+ def _SingleNodeCall(self, node, procedure, args):
+ """
+
+ """
+ c = Client(procedure, args)
+ self._ConnectNode(c, node)
+ return c.GetResults().get(node, False)
+
+ @classmethod
+ def _StaticSingleNodeCall(cls, node, procedure, args):
+ """
+
+ """
+ c = Client(procedure, args)
+ c.ConnectNode(c, node)
+ return c.GetResults().get(node, False)
+
def call_volume_list(self, node_list, vg_name):
"""Gets the logical volumes present in a given volume group.
This is a multi-node call.
"""
- c = Client("volume_list", [vg_name])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "volume_list", [vg_name])
def call_vg_list(self, node_list):
"""Gets the volume group list.
This is a multi-node call.
"""
- c = Client("vg_list", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "vg_list", [])
def call_bridges_exist(self, node, bridges_list):
"""Checks if a node has all the bridges given.
This is a single-node call.
"""
- c = Client("bridges_exist", [bridges_list])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "bridges_exist", [bridges_list])
def call_instance_start(self, node, instance, extra_args):
"""Starts an instance.
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)
+ return self._SingleNodeCall(node, "instance_start",
+ [self._InstDict(instance), extra_args])
def call_instance_shutdown(self, node, instance):
"""Stops an instance.
This is a single-node call.
"""
- c = Client("instance_shutdown", [self._InstDict(instance)])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "instance_shutdown",
+ [self._InstDict(instance)])
def call_instance_migrate(self, node, instance, target, live):
"""Migrate an instance.
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)
+ return self._SingleNodeCall(node, "instance_migrate",
+ [self._InstDict(instance), target, live])
def call_instance_reboot(self, node, instance, reboot_type, extra_args):
"""Reboots an instance.
This is a single-node call.
"""
- c = Client("instance_reboot", [self._InstDict(instance),
- reboot_type, extra_args])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "instance_reboot",
+ [self._InstDict(instance), reboot_type,
+ extra_args])
def call_instance_os_add(self, node, inst):
"""Installs an OS on the given instance.
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)
+ return self._SingleNodeCall(node, "instance_os_add",
+ [self._InstDict(inst)])
def call_instance_run_rename(self, node, inst, old_name):
"""Run the OS rename script for an instance.
This is a single-node call.
"""
- params = [self._InstDict(inst), old_name]
- c = Client("instance_run_rename", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "instance_run_rename",
+ [self._InstDict(inst), old_name])
def call_instance_info(self, node, instance, hname):
"""Returns information about a single instance.
This is a single-node call.
- @type node_list: list
- @param node_list: the list of nodes to query
+ @type node: list
+ @param node: 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
"""
- c = Client("instance_info", [instance, hname])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "instance_info", [instance, hname])
def call_all_instances_info(self, node_list, hypervisor_list):
"""Returns information about all instances on the given nodes.
@param hypervisor_list: the hypervisors to query for instances
"""
- c = Client("all_instances_info", [hypervisor_list])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "all_instances_info",
+ [hypervisor_list])
def call_instance_list(self, node_list, hypervisor_list):
"""Returns the list of running instances on a given node.
@param hypervisor_list: the hypervisors to query for instances
"""
- c = Client("instance_list", [hypervisor_list])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "instance_list", [hypervisor_list])
def call_node_tcp_ping(self, node, source, target, port, timeout,
live_port_needed):
This is a single-node call.
"""
- c = Client("node_tcp_ping", [source, target, port, timeout,
+ return self._SingleNodeCall(node, "node_tcp_ping",
+ [source, target, port, timeout,
live_port_needed])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
def call_node_has_ip_address(self, node, address):
"""Checks if a node has the given IP address.
This is a single-node call.
"""
- c = Client("node_has_ip_address", [address])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "node_has_ip_address", [address])
def call_node_info(self, node_list, vg_name, hypervisor_type):
"""Return node information.
memory information
"""
- c = Client("node_info", [vg_name, hypervisor_type])
- c.connect_list(node_list)
- c.run()
- retux = c.getresult()
+ retux = self._MultiNodeCall(node_list, "node_info",
+ [vg_name, hypervisor_type])
for node_name in retux:
ret = retux.get(node_name, False)
logging.error("could not connect to node %s", node_name)
ret = {}
- utils.CheckDict(ret,
- { 'memory_total' : '-',
+ utils.CheckDict(ret, {
+ 'memory_total' : '-',
'memory_dom0' : '-',
'memory_free' : '-',
'vg_size' : 'node_unreachable',
- 'vg_free' : '-' },
- "call_node_info",
- )
+ 'vg_free' : '-',
+ }, "call_node_info")
return retux
def call_node_add(self, node, dsa, dsapub, rsa, rsapub, ssh, sshpub):
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)
+ return self._SingleNodeCall(node, "node_add",
+ [dsa, dsapub, rsa, rsapub, ssh, sshpub])
def call_node_verify(self, node_list, checkdict, cluster_name):
"""Request verification of given parameters.
This is a multi-node call.
"""
- c = Client("node_verify", [checkdict, cluster_name])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "node_verify",
+ [checkdict, cluster_name])
- @staticmethod
- def call_node_start_master(node, start_daemons):
+ @classmethod
+ def call_node_start_master(cls, node, start_daemons):
"""Tells a node to activate itself as a master.
This is a single-node call.
"""
- c = Client("node_start_master", [start_daemons])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return cls._StaticSingleNodeCall(node, "node_start_master",
+ [start_daemons])
- @staticmethod
- def call_node_stop_master(node, stop_daemons):
+ @classmethod
+ def call_node_stop_master(cls, node, stop_daemons):
"""Tells a node to demote itself from master status.
This is a single-node call.
"""
- c = Client("node_stop_master", [stop_daemons])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return cls._StaticSingleNodeCall(node, "node_stop_master", [stop_daemons])
- @staticmethod
- def call_master_info(node_list):
+ @classmethod
+ def call_master_info(cls, node_list):
"""Query master info.
This is a multi-node call.
"""
# TODO: should this method query down nodes?
- c = Client("master_info", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return cls._StaticMultiNodeCall(node_list, "master_info", [])
def call_version(self, node_list):
"""Query node version.
This is a multi-node call.
"""
- c = Client("version", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "version", [])
def call_blockdev_create(self, node, bdev, size, owner, on_primary, info):
"""Request creation of a given block device.
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)
+ return self._SingleNodeCall(node, "blockdev_create",
+ [bdev.ToDict(), size, owner, on_primary, info])
def call_blockdev_remove(self, node, bdev):
"""Request removal of a given block device.
This is a single-node call.
"""
- c = Client("blockdev_remove", [bdev.ToDict()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "blockdev_remove", [bdev.ToDict()])
def call_blockdev_rename(self, node, devlist):
"""Request rename of the given block devices.
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)
+ return self._SingleNodeCall(node, "blockdev_rename",
+ [(d.ToDict(), uid) for d, uid in devlist])
def call_blockdev_assemble(self, node, disk, owner, on_primary):
"""Request assembling of a given block device.
This is a single-node call.
"""
- params = [disk.ToDict(), owner, on_primary]
- c = Client("blockdev_assemble", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "blockdev_assemble",
+ [disk.ToDict(), owner, on_primary])
def call_blockdev_shutdown(self, node, disk):
"""Request shutdown of a given block device.
This is a single-node call.
"""
- c = Client("blockdev_shutdown", [disk.ToDict()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "blockdev_shutdown", [disk.ToDict()])
def call_blockdev_addchildren(self, node, bdev, ndevs):
"""Request adding a list of children to a (mirroring) device.
This is a single-node call.
"""
- 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)
+ return self._SingleNodeCall(node, "blockdev_addchildren",
+ [bdev.ToDict(),
+ [disk.ToDict() for disk in ndevs]])
def call_blockdev_removechildren(self, node, bdev, ndevs):
"""Request removing a list of children from a (mirroring) device.
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)
+ return self._SingleNodeCall(node, "blockdev_removechildren",
+ [bdev.ToDict(),
+ [disk.ToDict() for disk in ndevs]])
def call_blockdev_getmirrorstatus(self, node, disks):
"""Request status of a (mirroring) device.
This is a single-node call.
"""
- params = [dsk.ToDict() for dsk in disks]
- c = Client("blockdev_getmirrorstatus", params)
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "blockdev_getmirrorstatus",
+ [dsk.ToDict() for dsk in disks])
def call_blockdev_find(self, node, disk):
"""Request identification of a given block device.
This is a single-node call.
"""
- c = Client("blockdev_find", [disk.ToDict()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "blockdev_find", [disk.ToDict()])
def call_blockdev_close(self, node, disks):
"""Closes the given block devices.
This is a single-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)
+ return self._SingleNodeCall(node, "blockdev_close",
+ [cf.ToDict() for cf in disks])
- @staticmethod
- def call_upload_file(node_list, file_name):
+ @classmethod
+ def call_upload_file(cls, node_list, file_name, address_list=None):
"""Upload a file.
The node will refuse the operation in case the file is not on the
This is a multi-node call.
+ @type node_list: list
+ @param node_list: the list of node names to upload to
+ @type file_name: str
+ @param file_name: the filename to upload
+ @type address_list: list or None
+ @keyword address_list: an optional list of node addresses, in order
+ to optimize the RPC speed
+
"""
- fh = file(file_name)
- try:
- data = fh.read()
- finally:
- fh.close()
+ data = utils.ReadFile(file_name)
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()
+ return cls._StaticMultiNodeCall(node_list, "upload_file", params,
+ address_list=address_list)
+
+ @classmethod
+ def call_write_ssconf_files(cls, node_list):
+ """Write ssconf files.
+
+ This is a multi-node call.
+
+ """
+ return cls._StaticMultiNodeCall(node_list, "write_ssconf_files", [])
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()
+ result = self._MultiNodeCall(node_list, "os_diagnose", [])
+
new_result = {}
for node_name in result:
if result[node_name]:
This is a single-node call.
"""
- c = Client("os_get", [name])
- c.connect(node)
- c.run()
- result = c.getresult().get(node, False)
+ result = self._SingleNodeCall(node, "os_get", [name])
if isinstance(result, dict):
return objects.OS.FromDict(result)
else:
"""
params = [hpath, phase, env]
- c = Client("hooks_runner", params)
- c.connect_list(node_list)
- c.run()
- result = c.getresult()
- return result
+ return self._MultiNodeCall(node_list, "hooks_runner", params)
def call_iallocator_runner(self, node, name, idata):
"""Call an iallocator on a remote node
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
+ return self._SingleNodeCall(node, "iallocator_runner", [name, idata])
def call_blockdev_grow(self, node, cf_bdev, amount):
"""Request a snapshot of the given block device.
This is a single-node call.
"""
- c = Client("blockdev_grow", [cf_bdev.ToDict(), amount])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "blockdev_grow",
+ [cf_bdev.ToDict(), amount])
def call_blockdev_snapshot(self, node, cf_bdev):
"""Request a snapshot of the given block device.
This is a single-node call.
"""
- c = Client("blockdev_snapshot", [cf_bdev.ToDict()])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "blockdev_snapshot", [cf_bdev.ToDict()])
def call_snapshot_export(self, node, snap_bdev, dest_node, instance,
- cluster_name):
+ cluster_name, idx):
"""Request the export of a given snapshot.
This is a single-node call.
"""
- 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)
+ return self._SingleNodeCall(node, "snapshot_export",
+ [snap_bdev.ToDict(), dest_node,
+ self._InstDict(instance), cluster_name, idx])
def call_finalize_export(self, node, instance, snap_disks):
"""Request the completion of an export operation.
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)
+
+ return self._SingleNodeCall(node, "finalize_export",
+ [self._InstDict(instance), flat_disks])
def call_export_info(self, node, path):
"""Queries the export information in a given path.
This is a single-node call.
"""
- c = Client("export_info", [path])
- c.connect(node)
- c.run()
- result = c.getresult().get(node, False)
+ result = self._SingleNodeCall(node, "export_info", [path])
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):
+ def call_instance_os_import(self, node, inst, src_node, src_images,
+ 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)
+ return self._SingleNodeCall(node, "instance_os_import",
+ [self._InstDict(inst), src_node, src_images,
+ cluster_name])
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 self._MultiNodeCall(node_list, "export_list", [])
def call_export_remove(self, node, export):
"""Requests removal of a given export.
This is a single-node call.
"""
- c = Client("export_remove", [export])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "export_remove", [export])
- @staticmethod
- def call_node_leave_cluster(node):
+ @classmethod
+ def call_node_leave_cluster(cls, node):
"""Requests a node to clean the cluster information it has.
This will remove the configuration information from the ganeti data
This is a single-node call.
"""
- c = Client("node_leave_cluster", [])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return cls._StaticSingleNodeCall(node, "node_leave_cluster", [])
def call_node_volumes(self, node_list):
"""Gets all volumes on node(s).
This is a multi-node call.
"""
- c = Client("node_volumes", [])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "node_volumes", [])
def call_test_delay(self, node_list, duration):
"""Sleep for a fixed time on given node(s).
This is a multi-node call.
"""
- c = Client("test_delay", [duration])
- c.connect_list(node_list)
- c.run()
- return c.getresult()
+ return self._MultiNodeCall(node_list, "test_delay", [duration])
def call_file_storage_dir_create(self, node, file_storage_dir):
"""Create the given file storage directory.
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)
+ return self._SingleNodeCall(node, "file_storage_dir_create",
+ [file_storage_dir])
def call_file_storage_dir_remove(self, node, file_storage_dir):
"""Remove the given file storage directory.
This is a single-node call.
"""
- c = Client("file_storage_dir_remove", [file_storage_dir])
- c.connect(node)
- c.run()
- return c.getresult().get(node, False)
+ return self._SingleNodeCall(node, "file_storage_dir_remove",
+ [file_storage_dir])
def call_file_storage_dir_rename(self, node, old_file_storage_dir,
new_file_storage_dir):
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)
+ return self._SingleNodeCall(node, "file_storage_dir_rename",
+ [old_file_storage_dir, new_file_storage_dir])
- @staticmethod
- def call_jobqueue_update(node_list, file_name, content):
+ @classmethod
+ def call_jobqueue_update(cls, node_list, address_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
+ return cls._StaticMultiNodeCall(node_list, "jobqueue_update",
+ [file_name, content],
+ address_list=address_list)
- @staticmethod
- def call_jobqueue_purge(node):
+ @classmethod
+ def call_jobqueue_purge(cls, 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)
+ return cls._StaticSingleNodeCall(node, "jobqueue_purge", [])
- @staticmethod
- def call_jobqueue_rename(node_list, old, new):
+ @classmethod
+ def call_jobqueue_rename(cls, node_list, address_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
+ return cls._StaticMultiNodeCall(node_list, "jobqueue_rename", [old, new],
+ address_list=address_list)
-
- @staticmethod
- def call_jobqueue_set_drain(node_list, drain_flag):
+ @classmethod
+ def call_jobqueue_set_drain(cls, node_list, drain_flag):
"""Set the drain flag on the queue.
This is a multi-node call.
@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
-
+ return cls._StaticMultiNodeCall(node_list, "jobqueue_set_drain",
+ [drain_flag])
def call_hypervisor_validate_params(self, node_list, hvname, hvparams):
"""Validate the hypervisor params.
"""
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
+ return self._MultiNodeCall(node_list, "hypervisor_validate_params",
+ [hvname, hv_full])
projects / ganeti-local / blobdiff