import os.path
import sys
import optparse
-import tempfile
import logging
import errno
options = None
args = None
-# Unique object to identify calls without default value
-NoDefault = object()
-
# Dictionary with instance old keys, and new hypervisor keys
INST_HV_CHG = {
'hvm_pae': constants.HV_PAE,
pass
-def SsconfName(key):
- """Returns the file name of an (old) ssconf key.
-
- """
- return "%s/ssconf_%s" % (options.data_dir, key)
-
-
-def ReadFile(file_name, default=NoDefault):
- """Reads a file.
-
- """
- logging.debug("Reading %s", file_name)
- try:
- fh = open(file_name, 'r')
- except IOError, err:
- if default is not NoDefault and err.errno == errno.ENOENT:
- return default
- raise
-
- try:
- return fh.read()
- finally:
- fh.close()
-
-
-def WriteFile(file_name, data):
- """Writes a configuration file.
-
- """
- logging.debug("Writing %s", file_name)
- utils.WriteFile(file_name=file_name, data=data, mode=0600,
- dry_run=options.dry_run, backup=True)
-
-
-def GenerateSecret(all_secrets):
- """Generate an unique DRBD secret.
-
- This is a copy from ConfigWriter.
-
- """
- retries = 64
- while retries > 0:
- secret = utils.GenerateSecret()
- if secret not in all_secrets:
- break
- retries -= 1
- else:
- raise Error("Can't generate unique DRBD secret")
- return secret
-
-
def SetupLogging():
"""Configures the logging module.
root_logger.addHandler(stderr_handler)
-def Cluster12To20(cluster):
- """Upgrades the cluster object from 1.2 to 2.0.
-
- """
- logging.info("Upgrading the cluster object")
- # Upgrade the configuration version
- if 'config_version' in cluster:
- del cluster['config_version']
-
- # Add old ssconf keys back to config
- logging.info(" - importing ssconf keys")
- for key in ('master_node', 'master_ip', 'master_netdev', 'cluster_name'):
- if key not in cluster:
- cluster[key] = ReadFile(SsconfName(key)).strip()
-
- if 'default_hypervisor' not in cluster:
- old_hyp = ReadFile(SsconfName('hypervisor')).strip()
- if old_hyp == "xen-3.0":
- hyp = "xen-pvm"
- elif old_hyp == "xen-hvm-3.1":
- hyp = "xen-hvm"
- elif old_hyp == "fake":
- hyp = "fake"
- else:
- raise Error("Unknown old hypervisor name '%s'" % old_hyp)
-
- logging.info("Setting the default and enabled hypervisor")
- cluster['default_hypervisor'] = hyp
- cluster['enabled_hypervisors'] = [hyp]
-
- # hv/be params
- if 'hvparams' not in cluster:
- logging.info(" - adding hvparams")
- cluster['hvparams'] = constants.HVC_DEFAULTS
- if 'beparams' not in cluster:
- logging.info(" - adding beparams")
- cluster['beparams'] = {constants.PP_DEFAULT: constants.BEC_DEFAULTS}
-
- # file storage
- if 'file_storage_dir' not in cluster:
- cluster['file_storage_dir'] = constants.DEFAULT_FILE_STORAGE_DIR
-
- # candidate pool size
- if 'candidate_pool_size' not in cluster:
- cluster['candidate_pool_size'] = constants.MASTER_POOL_SIZE_DEFAULT
-
-
-def Node12To20(node):
- """Upgrades a node from 1.2 to 2.0.
-
- """
- logging.info("Upgrading node %s" % node['name'])
- if F_SERIAL not in node:
- node[F_SERIAL] = 1
- if 'master_candidate' not in node:
- node['master_candidate'] = True
- for key in 'offline', 'drained':
- if key not in node:
- node[key] = False
-
-
-def Instance12To20(drbd_minors, secrets, hypervisor, instance):
- """Upgrades an instance from 1.2 to 2.0.
-
- """
- if F_SERIAL not in instance:
- instance[F_SERIAL] = 1
-
- if 'hypervisor' not in instance:
- instance['hypervisor'] = hypervisor
-
- # hvparams changes
- if 'hvparams' not in instance:
- instance['hvparams'] = hvp = {}
- for old, new in INST_HV_CHG.items():
- if old in instance:
- if (instance[old] is not None and
- instance[old] != constants.VALUE_DEFAULT and # no longer valid in 2.0
- new in constants.HVC_DEFAULTS[hypervisor]):
- hvp[new] = instance[old]
- del instance[old]
-
- # beparams changes
- if 'beparams' not in instance:
- instance['beparams'] = bep = {}
- for old, new in INST_BE_CHG.items():
- if old in instance:
- if instance[old] is not None:
- bep[new] = instance[old]
- del instance[old]
-
- # disk changes
- for disk in instance['disks']:
- Disk12To20(drbd_minors, secrets, disk)
-
- # other instance changes
- if 'status' in instance:
- instance['admin_up'] = instance['status'] == 'up'
- del instance['status']
-
-
-def Disk12To20(drbd_minors, secrets, disk):
- """Upgrades a disk from 1.2 to 2.0.
-
- """
- if 'mode' not in disk:
- disk['mode'] = constants.DISK_RDWR
- if disk['dev_type'] == constants.LD_DRBD8:
- old_lid = disk['logical_id']
- for node in old_lid[:2]:
- if node not in drbd_minors:
- raise Error("Can't find node '%s' while upgrading disk" % node)
- drbd_minors[node] += 1
- minor = drbd_minors[node]
- old_lid.append(minor)
- old_lid.append(GenerateSecret(secrets))
- del disk['physical_id']
- if disk['children']:
- for child in disk['children']:
- Disk12To20(drbd_minors, secrets, child)
-
-
def main():
"""Main program.
raise Error(("%s does not seem to be a known Ganeti configuration"
" directory") % options.data_dir)
- config_version = ReadFile(SsconfName('config_version'), "1.2").strip()
- logging.info("Found configuration version %s", config_version)
-
- config_data = serializer.LoadJson(ReadFile(options.CONFIG_DATA_PATH))
-
- # Ganeti 1.2?
- if config_version == "1.2":
- logging.info("Found a Ganeti 1.2 configuration")
-
- cluster = config_data["cluster"]
-
- old_config_version = cluster.get("config_version", None)
- logging.info("Found old configuration version %s", old_config_version)
- if old_config_version not in (3, ):
- raise Error("Unsupported configuration version: %s" %
- old_config_version)
- if 'version' not in config_data:
- config_data['version'] = constants.BuildVersion(2, 0, 0)
- if F_SERIAL not in config_data:
- config_data[F_SERIAL] = 1
-
- # Make sure no instance uses remote_raid1 anymore
- remote_raid1_instances = []
- for instance in config_data["instances"].values():
- if instance["disk_template"] == "remote_raid1":
- remote_raid1_instances.append(instance["name"])
- if remote_raid1_instances:
- for name in remote_raid1_instances:
- logging.error("Instance %s still using remote_raid1 disk template")
- raise Error("Unable to convert configuration as long as there are"
- " instances using remote_raid1 disk template")
-
- # Build content of new known_hosts file
- cluster_name = ReadFile(SsconfName('cluster_name')).rstrip()
- cluster_key = cluster['rsahostkeypub']
- known_hosts = "%s ssh-rsa %s\n" % (cluster_name, cluster_key)
-
- Cluster12To20(cluster)
-
- # Add node attributes
- logging.info("Upgrading nodes")
- # stable-sort the names to have repeatable runs
- for node_name in utils.NiceSort(config_data['nodes'].keys()):
- Node12To20(config_data['nodes'][node_name])
-
- # Instance changes
- logging.info("Upgrading instances")
- drbd_minors = dict.fromkeys(config_data['nodes'], 0)
- secrets = set()
- # stable-sort the names to have repeatable runs
- for instance_name in utils.NiceSort(config_data['instances'].keys()):
- Instance12To20(drbd_minors, secrets, cluster['default_hypervisor'],
- config_data['instances'][instance_name])
+ config_data = serializer.LoadJson(utils.ReadFile(options.CONFIG_DATA_PATH))
- else:
- logging.info("Found a Ganeti 2.0 configuration")
+ try:
+ config_version = config_data["version"]
+ except KeyError:
+ raise Error("Unable to determine configuration version")
- if "config_version" in config_data["cluster"]:
- raise Error("Inconsistent configuration: found config_data in"
- " configuration file")
+ (config_major, config_minor, config_revision) = \
+ constants.SplitVersion(config_version)
- known_hosts = None
+ logging.info("Found configuration version %s (%d.%d.%d)",
+ config_version, config_major, config_minor, config_revision)
- try:
- logging.info("Writing configuration file")
- WriteFile(options.CONFIG_DATA_PATH, serializer.DumpJson(config_data))
+ if "config_version" in config_data["cluster"]:
+ raise Error("Inconsistent configuration: found config_version in"
+ " configuration file")
- if known_hosts is not None:
- logging.info("Writing SSH known_hosts file (%s)", known_hosts.strip())
- WriteFile(options.KNOWN_HOSTS_PATH, known_hosts)
+ try:
+ logging.info("Writing configuration file to %s", options.CONFIG_DATA_PATH)
+ utils.WriteFile(file_name=options.CONFIG_DATA_PATH,
+ data=serializer.DumpJson(config_data),
+ mode=0600,
+ dry_run=options.dry_run,
+ backup=True)
if not options.dry_run:
if not os.path.exists(options.RAPI_CERT_FILE):
+ logging.debug("Writing RAPI certificate to %s", options.RAPI_CERT_FILE)
bootstrap._GenerateSelfSignedSslCert(options.RAPI_CERT_FILE)
except:
- logging.critical("Writing configuration failed. It is proably in an"
+ logging.critical("Writing configuration failed. It is probably in an"
" inconsistent state and needs manual intervention.")
raise
projects / ganeti-local / commitdiff