+ This runs on master, primary and secondary nodes of the instance.
+
+ """
+ env = {
+ "ADD_MODE": self.op.mode,
+ }
+ if self.op.mode == constants.INSTANCE_IMPORT:
+ env["SRC_NODE"] = self.op.src_node
+ env["SRC_PATH"] = self.op.src_path
+ env["SRC_IMAGES"] = self.src_images
+
+ env.update(_BuildInstanceHookEnv(
+ name=self.op.instance_name,
+ primary_node=self.op.pnode,
+ secondary_nodes=self.secondaries,
+ status=self.op.start,
+ os_type=self.op.os_type,
+ memory=self.be_full[constants.BE_MEMORY],
+ vcpus=self.be_full[constants.BE_VCPUS],
+ nics=_NICListToTuple(self, self.nics),
+ disk_template=self.op.disk_template,
+ disks=[(d["size"], d["mode"]) for d in self.disks],
+ bep=self.be_full,
+ hvp=self.hv_full,
+ hypervisor_name=self.op.hypervisor,
+ ))
+
+ nl = ([self.cfg.GetMasterNode(), self.op.pnode] +
+ self.secondaries)
+ return env, nl, nl
+
+ def _ReadExportInfo(self):
+ """Reads the export information from disk.
+
+ It will override the opcode source node and path with the actual
+ information, if these two were not specified before.
+
+ @return: the export information
+
+ """
+ assert self.op.mode == constants.INSTANCE_IMPORT
+
+ src_node = self.op.src_node
+ src_path = self.op.src_path
+
+ if src_node is None:
+ locked_nodes = self.acquired_locks[locking.LEVEL_NODE]
+ exp_list = self.rpc.call_export_list(locked_nodes)
+ found = False
+ for node in exp_list:
+ if exp_list[node].fail_msg:
+ continue
+ if src_path in exp_list[node].payload:
+ found = True
+ self.op.src_node = src_node = node
+ self.op.src_path = src_path = utils.PathJoin(constants.EXPORT_DIR,
+ src_path)
+ break
+ if not found:
+ raise errors.OpPrereqError("No export found for relative path %s" %
+ src_path, errors.ECODE_INVAL)
+
+ _CheckNodeOnline(self, src_node)
+ result = self.rpc.call_export_info(src_node, src_path)
+ result.Raise("No export or invalid export found in dir %s" % src_path)
+
+ export_info = objects.SerializableConfigParser.Loads(str(result.payload))
+ if not export_info.has_section(constants.INISECT_EXP):
+ raise errors.ProgrammerError("Corrupted export config",
+ errors.ECODE_ENVIRON)
+
+ ei_version = export_info.get(constants.INISECT_EXP, "version")
+ if (int(ei_version) != constants.EXPORT_VERSION):
+ raise errors.OpPrereqError("Wrong export version %s (wanted %d)" %
+ (ei_version, constants.EXPORT_VERSION),
+ errors.ECODE_ENVIRON)
+ return export_info
+
+ def _ReadExportParams(self, einfo):
+ """Use export parameters as defaults.
+
+ In case the opcode doesn't specify (as in override) some instance
+ parameters, then try to use them from the export information, if
+ that declares them.
+
+ """
+ self.op.os_type = einfo.get(constants.INISECT_EXP, "os")
+
+ if self.op.disk_template is None:
+ if einfo.has_option(constants.INISECT_INS, "disk_template"):
+ self.op.disk_template = einfo.get(constants.INISECT_INS,
+ "disk_template")
+ else:
+ raise errors.OpPrereqError("No disk template specified and the export"
+ " is missing the disk_template information",
+ errors.ECODE_INVAL)
+
+ if not self.op.disks:
+ if einfo.has_option(constants.INISECT_INS, "disk_count"):
+ disks = []
+ # TODO: import the disk iv_name too
+ for idx in range(einfo.getint(constants.INISECT_INS, "disk_count")):
+ disk_sz = einfo.getint(constants.INISECT_INS, "disk%d_size" % idx)
+ disks.append({"size": disk_sz})
+ self.op.disks = disks
+ else:
+ raise errors.OpPrereqError("No disk info specified and the export"
+ " is missing the disk information",
+ errors.ECODE_INVAL)
+
+ if (not self.op.nics and
+ einfo.has_option(constants.INISECT_INS, "nic_count")):
+ nics = []
+ for idx in range(einfo.getint(constants.INISECT_INS, "nic_count")):
+ ndict = {}
+ for name in list(constants.NICS_PARAMETERS) + ["ip", "mac"]:
+ v = einfo.get(constants.INISECT_INS, "nic%d_%s" % (idx, name))
+ ndict[name] = v
+ nics.append(ndict)
+ self.op.nics = nics
+
+ if (self.op.hypervisor is None and
+ einfo.has_option(constants.INISECT_INS, "hypervisor")):
+ self.op.hypervisor = einfo.get(constants.INISECT_INS, "hypervisor")
+ if einfo.has_section(constants.INISECT_HYP):
+ # use the export parameters but do not override the ones
+ # specified by the user
+ for name, value in einfo.items(constants.INISECT_HYP):
+ if name not in self.op.hvparams:
+ self.op.hvparams[name] = value
+
+ if einfo.has_section(constants.INISECT_BEP):
+ # use the parameters, without overriding
+ for name, value in einfo.items(constants.INISECT_BEP):
+ if name not in self.op.beparams:
+ self.op.beparams[name] = value
+ else:
+ # try to read the parameters old style, from the main section
+ for name in constants.BES_PARAMETERS:
+ if (name not in self.op.beparams and
+ einfo.has_option(constants.INISECT_INS, name)):
+ self.op.beparams[name] = einfo.get(constants.INISECT_INS, name)
+
+ def _RevertToDefaults(self, cluster):
+ """Revert the instance parameters to the default values.
+
+ """
+ # hvparams
+ hv_defs = cluster.GetHVDefaults(self.op.hypervisor, self.op.os_type)
+ for name in self.op.hvparams.keys():
+ if name in hv_defs and hv_defs[name] == self.op.hvparams[name]:
+ del self.op.hvparams[name]
+ # beparams
+ be_defs = cluster.beparams.get(constants.PP_DEFAULT, {})
+ for name in self.op.beparams.keys():
+ if name in be_defs and be_defs[name] == self.op.beparams[name]:
+ del self.op.beparams[name]
+ # nic params
+ nic_defs = cluster.nicparams.get(constants.PP_DEFAULT, {})
+ for nic in self.op.nics:
+ for name in constants.NICS_PARAMETERS:
+ if name in nic and name in nic_defs and nic[name] == nic_defs[name]:
+ del nic[name]
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ """
+ if self.op.mode == constants.INSTANCE_IMPORT:
+ export_info = self._ReadExportInfo()
+ self._ReadExportParams(export_info)
+
+ _CheckDiskTemplate(self.op.disk_template)
+
+ if (not self.cfg.GetVGName() and
+ self.op.disk_template not in constants.DTS_NOT_LVM):
+ raise errors.OpPrereqError("Cluster does not support lvm-based"
+ " instances", errors.ECODE_STATE)
+
+ if self.op.hypervisor is None:
+ self.op.hypervisor = self.cfg.GetHypervisorType()
+
+ cluster = self.cfg.GetClusterInfo()
+ enabled_hvs = cluster.enabled_hypervisors
+ if self.op.hypervisor not in enabled_hvs:
+ raise errors.OpPrereqError("Selected hypervisor (%s) not enabled in the"
+ " cluster (%s)" % (self.op.hypervisor,
+ ",".join(enabled_hvs)),
+ errors.ECODE_STATE)
+
+ # check hypervisor parameter syntax (locally)
+ utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
+ filled_hvp = objects.FillDict(cluster.GetHVDefaults(self.op.hypervisor,
+ self.op.os_type),
+ self.op.hvparams)
+ hv_type = hypervisor.GetHypervisor(self.op.hypervisor)
+ hv_type.CheckParameterSyntax(filled_hvp)
+ self.hv_full = filled_hvp
+ # check that we don't specify global parameters on an instance
+ _CheckGlobalHvParams(self.op.hvparams)
+
+ # fill and remember the beparams dict
+ utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
+ self.be_full = objects.FillDict(cluster.beparams[constants.PP_DEFAULT],
+ self.op.beparams)
+
+ # now that hvp/bep are in final format, let's reset to defaults,
+ # if told to do so
+ if self.op.identify_defaults:
+ self._RevertToDefaults(cluster)
+
+ # NIC buildup
+ self.nics = []
+ for idx, nic in enumerate(self.op.nics):
+ nic_mode_req = nic.get("mode", None)
+ nic_mode = nic_mode_req
+ if nic_mode is None:
+ nic_mode = cluster.nicparams[constants.PP_DEFAULT][constants.NIC_MODE]
+
+ # in routed mode, for the first nic, the default ip is 'auto'
+ if nic_mode == constants.NIC_MODE_ROUTED and idx == 0:
+ default_ip_mode = constants.VALUE_AUTO
+ else:
+ default_ip_mode = constants.VALUE_NONE
+
+ # ip validity checks
+ ip = nic.get("ip", default_ip_mode)
+ if ip is None or ip.lower() == constants.VALUE_NONE:
+ nic_ip = None
+ elif ip.lower() == constants.VALUE_AUTO:
+ if not self.op.name_check:
+ raise errors.OpPrereqError("IP address set to auto but name checks"
+ " have been skipped. Aborting.",
+ errors.ECODE_INVAL)
+ nic_ip = self.hostname1.ip
+ else:
+ if not utils.IsValidIP(ip):
+ raise errors.OpPrereqError("Given IP address '%s' doesn't look"
+ " like a valid IP" % ip,
+ errors.ECODE_INVAL)
+ nic_ip = ip
+
+ # TODO: check the ip address for uniqueness
+ if nic_mode == constants.NIC_MODE_ROUTED and not nic_ip:
+ raise errors.OpPrereqError("Routed nic mode requires an ip address",
+ errors.ECODE_INVAL)
projects / ganeti-local / blobdiff