180 lines
6.3 KiB
Python
180 lines
6.3 KiB
Python
# Copyright (c) 2014 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo.config import cfg
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from sahara import exceptions as ex
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from sahara.i18n import _
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from sahara.plugins import provisioning as p
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from sahara.utils import types
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CONF = cfg.CONF
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CONF.import_opt("enable_data_locality", "sahara.topology.topology_helper")
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HIDDEN_CONFS = [
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'dfs.hosts',
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'dfs.hosts.exclude',
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'dfs.namenode.data.dir',
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'dfs.namenode.name.dir',
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'fs.default.name',
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'fs.defaultFS',
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'fs.swift.impl',
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'hadoop.proxyuser.hadoop.groups',
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'hadoop.proxyuser.hadoop.hosts',
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'mapreduce.framework.name',
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'mapreduce.jobhistory.address',
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'mapreduce.jobhistory.done.dir',
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'mapreduce.jobhistory.intermediate-done-dir',
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'mapreduce.jobhistory.webapp.address',
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'yarn.nodemanager.aux-services',
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'yarn.resourcemanager.address',
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'yarn.resourcemanager.admin.address',
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'yarn.resourcemanager.hostname',
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'yarn.resourcemanager.nodes.exclude-path',
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'yarn.resourcemanager.nodes.include-path',
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'yarn.resourcemanager.resource-tracker.address',
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'yarn.resourcemanager.scheduler.address',
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'yarn.resourcemanager.webapp.address'
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]
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CLUSTER_WIDE_CONFS = [
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'dfs.blocksize', 'dfs.namenode.replication.min', 'dfs.permissions.enabled',
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'dfs.replication', 'dfs.replication.max', 'io.compression.codecs',
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'io.file.buffer.size', 'mapreduce.job.counters.max',
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'mapreduce.map.output.compress.codec',
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'mapreduce.output.fileoutputformat.compress.codec',
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'mapreduce.output.fileoutputformat.compress.type',
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'mapredude.map.output.compress',
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'mapredude.output.fileoutputformat.compress'
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]
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PRIORITY_1_CONFS = [
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'dfs.datanode.du.reserved',
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'dfs.datanode.failed.volumes.tolerated',
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'dfs.datanode.handler.count',
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'dfs.datanode.max.transfer.threads',
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'dfs.namenode.handler.count',
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'mapred.child.java.opts',
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'mapred.jobtracker.maxtasks.per.job',
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'mapreduce.jobtracker.handler.count',
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'mapreduce.map.java.opts',
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'mapreduce.reduce.java.opts',
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'mapreduce.task.io.sort.mb',
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'mapreduce.tasktracker.map.tasks.maximum',
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'mapreduce.tasktracker.reduce.tasks.maximum',
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'yarn.nodemanager.resource.cpu-vcores',
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'yarn.nodemanager.resource.memory-mb',
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'yarn.scheduler.maximum-allocation-mb',
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'yarn.scheduler.maximum-allocation-vcores',
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'yarn.scheduler.minimum-allocation-mb',
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'yarn.scheduler.minimum-allocation-vcores'
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]
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# for now we have not so many cluster-wide configs
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# lets consider all of them having high priority
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PRIORITY_1_CONFS += CLUSTER_WIDE_CONFS
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def init_xml_configs(xml_confs):
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configs = []
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for service, config_lists in xml_confs.iteritems():
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for config_list in config_lists:
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for config in config_list:
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if config['name'] not in HIDDEN_CONFS:
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cfg = p.Config(config['name'], service, "node",
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is_optional=True, config_type="string",
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default_value=str(config['value']),
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description=config['description'])
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if cfg.default_value in ["true", "false"]:
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cfg.config_type = "bool"
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cfg.default_value = (cfg.default_value == 'true')
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elif types.is_int(cfg.default_value):
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cfg.config_type = "int"
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cfg.default_value = int(cfg.default_value)
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if config['name'] in CLUSTER_WIDE_CONFS:
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cfg.scope = 'cluster'
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if config['name'] in PRIORITY_1_CONFS:
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cfg.priority = 1
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configs.append(cfg)
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return configs
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ENABLE_SWIFT = p.Config('Enable Swift', 'general', 'cluster',
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config_type="bool", priority=1,
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default_value=True, is_optional=False)
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ENABLE_MYSQL = p.Config('Enable MySQL', 'general', 'cluster',
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config_type="bool", priority=1,
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default_value=True, is_optional=True)
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ENABLE_DATA_LOCALITY = p.Config('Enable Data Locality', 'general', 'cluster',
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config_type="bool", priority=1,
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default_value=True, is_optional=True)
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def init_env_configs(env_confs):
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configs = []
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for service, config_items in env_confs.iteritems():
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for name, value in config_items.iteritems():
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configs.append(p.Config(name, service, "node",
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default_value=value, priority=1,
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config_type="int"))
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return configs
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def _init_general_configs():
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configs = [ENABLE_SWIFT, ENABLE_MYSQL]
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if CONF.enable_data_locality:
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configs.append(ENABLE_DATA_LOCALITY)
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return configs
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PLUGIN_GENERAL_CONFIGS = _init_general_configs()
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def get_config_value(pctx, service, name, cluster=None):
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if cluster:
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for ng in cluster.node_groups:
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cl_param = ng.configuration().get(service, {}).get(name)
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if cl_param is not None:
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return cl_param
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for c in pctx['all_confs']:
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if c.applicable_target == service and c.name == name:
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return c.default_value
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raise ex.NotFoundException(
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name, _("Unable to get parameter '%(name)s' from service %(service)s")
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% {"name": name, "service": service})
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def is_swift_enabled(pctx, cluster):
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return get_config_value(pctx, ENABLE_SWIFT.applicable_target,
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ENABLE_SWIFT.name, cluster)
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def is_mysql_enabled(pctx, cluster):
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return get_config_value(
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pctx, ENABLE_MYSQL.applicable_target, ENABLE_MYSQL.name, cluster)
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def is_data_locality_enabled(pctx, cluster):
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if not CONF.enable_data_locality:
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return False
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return get_config_value(pctx, ENABLE_DATA_LOCALITY.applicable_target,
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ENABLE_DATA_LOCALITY.name, cluster)
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