+def CheckHostname(path):
+ """Ensures hostname matches ssconf value.
+
+ @param path: Path to ssconf file
+
+ """
+ ssconf_master_node = utils.ReadOneLineFile(path)
+ hostname = netutils.GetHostname().name
+
+ if ssconf_master_node == hostname:
+ return True
+
+ logging.warning("Warning: ssconf says master node is '%s', but this"
+ " machine's name is '%s'; this tool must be run on"
+ " the master node", ssconf_master_node, hostname)
+ return False
+
+
+def _FillIPolicySpecs(default_ipolicy, ipolicy):
+ if "minmax" in ipolicy:
+ for (key, spec) in ipolicy["minmax"][0].items():
+ for (par, val) in default_ipolicy["minmax"][0][key].items():
+ if par not in spec:
+ spec[par] = val
+
+
+def UpgradeIPolicy(ipolicy, default_ipolicy, isgroup):
+ minmax_keys = ["min", "max"]
+ if any((k in ipolicy) for k in minmax_keys):
+ minmax = {}
+ for key in minmax_keys:
+ if key in ipolicy:
+ if ipolicy[key]:
+ minmax[key] = ipolicy[key]
+ del ipolicy[key]
+ if minmax:
+ ipolicy["minmax"] = [minmax]
+ if isgroup and "std" in ipolicy:
+ del ipolicy["std"]
+ _FillIPolicySpecs(default_ipolicy, ipolicy)
+
+
+def UpgradeNetworks(config_data):
+ networks = config_data.get("networks", None)
+ if not networks:
+ config_data["networks"] = {}
+
+
+def UpgradeCluster(config_data):
+ cluster = config_data.get("cluster", None)
+ if cluster is None:
+ raise Error("Cannot find cluster")
+ ipolicy = cluster.setdefault("ipolicy", None)
+ if ipolicy:
+ UpgradeIPolicy(ipolicy, constants.IPOLICY_DEFAULTS, False)
+
+
+def UpgradeGroups(config_data):
+ cl_ipolicy = config_data["cluster"].get("ipolicy")
+ for group in config_data["nodegroups"].values():
+ networks = group.get("networks", None)
+ if not networks:
+ group["networks"] = {}
+ ipolicy = group.get("ipolicy", None)
+ if ipolicy:
+ if cl_ipolicy is None:
+ raise Error("A group defines an instance policy but there is no"
+ " instance policy at cluster level")
+ UpgradeIPolicy(ipolicy, cl_ipolicy, True)
+
+
+def GetExclusiveStorageValue(config_data):
+ """Return a conservative value of the exclusive_storage flag.
+
+ Return C{True} if the cluster or at least a nodegroup have the flag set.
+
+ """
+ ret = False
+ cluster = config_data["cluster"]
+ ndparams = cluster.get("ndparams")
+ if ndparams is not None and ndparams.get("exclusive_storage"):
+ ret = True
+ for group in config_data["nodegroups"].values():
+ ndparams = group.get("ndparams")
+ if ndparams is not None and ndparams.get("exclusive_storage"):
+ ret = True
+ return ret
+
+
+def RemovePhysicalId(disk):
+ if "children" in disk:
+ for d in disk["children"]:
+ RemovePhysicalId(d)
+ if "physical_id" in disk:
+ del disk["physical_id"]
+
+
+def ChangeDiskDevType(disk, dev_type_map):
+ """Replaces disk's dev_type attributes according to the given map.
+
+ This can be used for both, up or downgrading the disks.
+ """
+ if disk["dev_type"] in dev_type_map:
+ disk["dev_type"] = dev_type_map[disk["dev_type"]]
+ if "children" in disk:
+ for child in disk["children"]:
+ ChangeDiskDevType(child, dev_type_map)
+
+
+def UpgradeDiskDevType(disk):
+ """Upgrades the disks' device type."""
+ ChangeDiskDevType(disk, DEV_TYPE_OLD_NEW)
+
+
+def UpgradeInstances(config_data):
+ """Upgrades the instances' configuration."""
+
+ network2uuid = dict((n["name"], n["uuid"])
+ for n in config_data["networks"].values())
+ if "instances" not in config_data:
+ raise Error("Can't find the 'instances' key in the configuration!")
+
+ missing_spindles = False
+ for instance, iobj in config_data["instances"].items():
+ for nic in iobj["nics"]:
+ name = nic.get("network", None)
+ if name:
+ uuid = network2uuid.get(name, None)
+ if uuid:
+ print("NIC with network name %s found."
+ " Substituting with uuid %s." % (name, uuid))
+ nic["network"] = uuid
+
+ if "disks" not in iobj:
+ raise Error("Instance '%s' doesn't have a disks entry?!" % instance)
+ disks = iobj["disks"]
+ for idx, dobj in enumerate(disks):
+ RemovePhysicalId(dobj)
+
+ expected = "disk/%s" % idx
+ current = dobj.get("iv_name", "")
+ if current != expected:
+ logging.warning("Updating iv_name for instance %s/disk %s"
+ " from '%s' to '%s'",
+ instance, idx, current, expected)
+ dobj["iv_name"] = expected
+
+ if "dev_type" in dobj:
+ UpgradeDiskDevType(dobj)
+
+ if not "spindles" in dobj:
+ missing_spindles = True
+
+ if GetExclusiveStorageValue(config_data) and missing_spindles:
+ # We cannot be sure that the instances that are missing spindles have
+ # exclusive storage enabled (the check would be more complicated), so we
+ # give a noncommittal message
+ logging.warning("Some instance disks could be needing to update the"
+ " spindles parameter; you can check by running"
+ " 'gnt-cluster verify', and fix any problem with"
+ " 'gnt-cluster repair-disk-sizes'")
+
+
+def UpgradeRapiUsers():
+ if (os.path.isfile(options.RAPI_USERS_FILE_PRE24) and
+ not os.path.islink(options.RAPI_USERS_FILE_PRE24)):
+ if os.path.exists(options.RAPI_USERS_FILE):
+ raise Error("Found pre-2.4 RAPI users file at %s, but another file"
+ " already exists at %s" %
+ (options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE))
+ logging.info("Found pre-2.4 RAPI users file at %s, renaming to %s",
+ options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE)
+ if not options.dry_run:
+ utils.RenameFile(options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE,
+ mkdir=True, mkdir_mode=0750)
+
+ # Create a symlink for RAPI users file
+ if (not (os.path.islink(options.RAPI_USERS_FILE_PRE24) or
+ os.path.isfile(options.RAPI_USERS_FILE_PRE24)) and
+ os.path.isfile(options.RAPI_USERS_FILE)):
+ logging.info("Creating symlink from %s to %s",
+ options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE)
+ if not options.dry_run:
+ os.symlink(options.RAPI_USERS_FILE, options.RAPI_USERS_FILE_PRE24)
+
+
+def UpgradeWatcher():
+ # Remove old watcher state file if it exists
+ if os.path.exists(options.WATCHER_STATEFILE):
+ logging.info("Removing watcher state file %s", options.WATCHER_STATEFILE)
+ if not options.dry_run:
+ utils.RemoveFile(options.WATCHER_STATEFILE)
+
+
+def UpgradeFileStoragePaths(config_data):
+ # Write file storage paths
+ if not os.path.exists(options.FILE_STORAGE_PATHS_FILE):
+ cluster = config_data["cluster"]
+ file_storage_dir = cluster.get("file_storage_dir")
+ shared_file_storage_dir = cluster.get("shared_file_storage_dir")
+ del cluster
+
+ logging.info("Ganeti 2.7 and later only allow whitelisted directories"
+ " for file storage; writing existing configuration values"
+ " into '%s'",
+ options.FILE_STORAGE_PATHS_FILE)
+
+ if file_storage_dir:
+ logging.info("File storage directory: %s", file_storage_dir)
+ if shared_file_storage_dir:
+ logging.info("Shared file storage directory: %s",
+ shared_file_storage_dir)
+
+ buf = StringIO()
+ buf.write("# List automatically generated from configuration by\n")
+ buf.write("# cfgupgrade at %s\n" % time.asctime())
+ if file_storage_dir:
+ buf.write("%s\n" % file_storage_dir)
+ if shared_file_storage_dir:
+ buf.write("%s\n" % shared_file_storage_dir)
+ utils.WriteFile(file_name=options.FILE_STORAGE_PATHS_FILE,
+ data=buf.getvalue(),
+ mode=0600,
+ dry_run=options.dry_run,
+ backup=True)
+
+
+def GetNewNodeIndex(nodes_by_old_key, old_key, new_key_field):
+ if old_key not in nodes_by_old_key:
+ logging.warning("Can't find node '%s' in configuration, assuming that it's"
+ " already up-to-date", old_key)
+ return old_key
+ return nodes_by_old_key[old_key][new_key_field]
+
+
+def ChangeNodeIndices(config_data, old_key_field, new_key_field):
+ def ChangeDiskNodeIndices(disk):
+ # Note: 'drbd8' is a legacy device type from pre 2.9 and needs to be
+ # considered when up/downgrading from/to any versions touching 2.9 on the
+ # way.
+ drbd_disk_types = set(["drbd8"]) | constants.DTS_DRBD
+ if disk["dev_type"] in drbd_disk_types:
+ for i in range(0, 2):
+ disk["logical_id"][i] = GetNewNodeIndex(nodes_by_old_key,
+ disk["logical_id"][i],
+ new_key_field)
+ if "children" in disk:
+ for child in disk["children"]:
+ ChangeDiskNodeIndices(child)
+
+ nodes_by_old_key = {}
+ nodes_by_new_key = {}
+ for (_, node) in config_data["nodes"].items():
+ nodes_by_old_key[node[old_key_field]] = node
+ nodes_by_new_key[node[new_key_field]] = node
+
+ config_data["nodes"] = nodes_by_new_key
+
+ cluster = config_data["cluster"]
+ cluster["master_node"] = GetNewNodeIndex(nodes_by_old_key,
+ cluster["master_node"],
+ new_key_field)
+
+ for inst in config_data["instances"].values():
+ inst["primary_node"] = GetNewNodeIndex(nodes_by_old_key,
+ inst["primary_node"],
+ new_key_field)
+ for disk in inst["disks"]:
+ ChangeDiskNodeIndices(disk)
+
+
+def ChangeInstanceIndices(config_data, old_key_field, new_key_field):
+ insts_by_old_key = {}
+ insts_by_new_key = {}
+ for (_, inst) in config_data["instances"].items():
+ insts_by_old_key[inst[old_key_field]] = inst
+ insts_by_new_key[inst[new_key_field]] = inst
+
+ config_data["instances"] = insts_by_new_key
+
+
+def UpgradeNodeIndices(config_data):
+ ChangeNodeIndices(config_data, "name", "uuid")
+
+
+def UpgradeInstanceIndices(config_data):
+ ChangeInstanceIndices(config_data, "name", "uuid")
+
+
+def UpgradeAll(config_data):
+ config_data["version"] = version.BuildVersion(TARGET_MAJOR, TARGET_MINOR, 0)
+ UpgradeRapiUsers()
+ UpgradeWatcher()
+ UpgradeFileStoragePaths(config_data)
+ UpgradeNetworks(config_data)
+ UpgradeCluster(config_data)
+ UpgradeGroups(config_data)
+ UpgradeInstances(config_data)
+ UpgradeNodeIndices(config_data)
+ UpgradeInstanceIndices(config_data)
+
+
+def DowngradeInstances(config_data):
+ if "instances" not in config_data:
+ raise Error("Cannot find the 'instances' key in the configuration!")
+ for (iname, iobj) in config_data["instances"].items():
+ DowngradeNicParamsVLAN(iobj["nics"], iname)
+
+
+def DowngradeNicParamsVLAN(nics, owner):
+ for nic in nics:
+ vlan = nic["nicparams"].get("vlan", None)
+ if vlan:
+ logging.warning("Instance with name %s found. Removing VLAN information"
+ " %s.", owner, vlan)
+ del nic["nicparams"]["vlan"]
+
+
+def DowngradeAll(config_data):
+ # Any code specific to a particular version should be labeled that way, so
+ # it can be removed when updating to the next version.
+ config_data["version"] = version.BuildVersion(DOWNGRADE_MAJOR,
+ DOWNGRADE_MINOR, 0)
+ DowngradeInstances(config_data)
+
+
projects / ganeti-local / blobdiff