def generate_xml_configs(configs, storage_path, nn_hostname, hadoop_port):
if hadoop_port is None:
hadoop_port = 8020
cfg = {
'fs.defaultFS': 'hdfs://%s:%s' % (nn_hostname, str(hadoop_port)),
'dfs.namenode.name.dir': extract_hadoop_path(storage_path,
'/dfs/nn'),
'dfs.datanode.data.dir': extract_hadoop_path(storage_path,
'/dfs/dn'),
'dfs.hosts': '/etc/hadoop/dn.incl',
'dfs.hosts.exclude': '/etc/hadoop/dn.excl'
}
# inserting user-defined configs
for key, value in extract_hadoop_xml_confs(configs):
cfg[key] = value
# Add the swift defaults if they have not been set by the user
swft_def = []
if is_swift_enabled(configs):
swft_def = SWIFT_DEFAULTS
swift_configs = extract_name_values(swift.get_swift_configs())
for key, value in six.iteritems(swift_configs):
if key not in cfg:
cfg[key] = value
# invoking applied configs to appropriate xml files
core_all = CORE_DEFAULT + swft_def
if CONF.enable_data_locality:
cfg.update(topology.TOPOLOGY_CONFIG)
# applying vm awareness configs
core_all += topology.vm_awareness_core_config()
xml_configs = {
'core-site': utils.create_hadoop_xml(cfg, core_all),
'hdfs-site': utils.create_hadoop_xml(cfg, HDFS_DEFAULT)
}
return xml_configs
def render(self):
return utils.create_hadoop_xml(self._config_dict)
def _generate_xml(configs):
xml_confs = {}
for service, confs in six.iteritems(configs):
xml_confs[service] = utils.create_hadoop_xml(confs)
return xml_confs