2a56aa003d
We use v5 and v5.3.0 to put different python files for CDH5 and CDH5.3.0. CDH5 is CDH5.0.0, we use the name "CDH5" instead of "CDH5.0.0" for backward support. Currently since CDH5.0.0 does not support cm_api>6, we cannot use first_run API in CDH5.0.0, so we only implemented parts of the services that we implemented in CDH5.3.0. implements bp: cdh-version-management Change-Id: I3b3058f25912ddf6206d64db88ac40138a45a53f
258 lines
10 KiB
Python
258 lines
10 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_log import log as logging
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from sahara.i18n import _
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from sahara.plugins.cdh.v5_3_0 import plugin_utils as pu
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from sahara.plugins import exceptions as ex
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from sahara.plugins import utils as u
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from sahara.utils import general as gu
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LOG = logging.getLogger(__name__)
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PU = pu.PluginUtilsV530()
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def validate_cluster_creating(cluster):
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mng_count = _get_inst_count(cluster, 'CLOUDERA_MANAGER')
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if mng_count != 1:
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raise ex.InvalidComponentCountException('CLOUDERA_MANAGER',
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1, mng_count)
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nn_count = _get_inst_count(cluster, 'HDFS_NAMENODE')
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if nn_count != 1:
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raise ex.InvalidComponentCountException('HDFS_NAMENODE', 1, nn_count)
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snn_count = _get_inst_count(cluster, 'HDFS_SECONDARYNAMENODE')
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if snn_count != 1:
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raise ex.InvalidComponentCountException('HDFS_SECONDARYNAMENODE', 1,
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snn_count)
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rm_count = _get_inst_count(cluster, 'YARN_RESOURCEMANAGER')
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if rm_count not in [0, 1]:
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raise ex.InvalidComponentCountException('YARN_RESOURCEMANAGER',
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_('0 or 1'), rm_count)
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hs_count = _get_inst_count(cluster, 'YARN_JOBHISTORY')
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if hs_count not in [0, 1]:
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raise ex.InvalidComponentCountException('YARN_JOBHISTORY',
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_('0 or 1'), hs_count)
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if rm_count > 0 and hs_count < 1:
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raise ex.RequiredServiceMissingException(
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'YARN_JOBHISTORY', required_by='YARN_RESOURCEMANAGER')
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nm_count = _get_inst_count(cluster, 'YARN_NODEMANAGER')
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if rm_count == 0:
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if nm_count > 0:
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raise ex.RequiredServiceMissingException(
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'YARN_RESOURCEMANAGER', required_by='YARN_NODEMANAGER')
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oo_count = _get_inst_count(cluster, 'OOZIE_SERVER')
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dn_count = _get_inst_count(cluster, 'HDFS_DATANODE')
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if oo_count not in [0, 1]:
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raise ex.InvalidComponentCountException('OOZIE_SERVER', _('0 or 1'),
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oo_count)
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if oo_count == 1:
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if dn_count < 1:
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raise ex.RequiredServiceMissingException(
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'HDFS_DATANODE', required_by='OOZIE_SERVER')
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if nm_count < 1:
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raise ex.RequiredServiceMissingException(
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'YARN_NODEMANAGER', required_by='OOZIE_SERVER')
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if hs_count != 1:
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raise ex.RequiredServiceMissingException(
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'YARN_JOBHISTORY', required_by='OOZIE_SERVER')
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hms_count = _get_inst_count(cluster, 'HIVE_METASTORE')
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hvs_count = _get_inst_count(cluster, 'HIVE_SERVER2')
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whc_count = _get_inst_count(cluster, 'HIVE_WEBHCAT')
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if hms_count and rm_count < 1:
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raise ex.RequiredServiceMissingException(
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'YARN_RESOURCEMANAGER', required_by='HIVE_METASTORE')
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if hms_count and not hvs_count:
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raise ex.RequiredServiceMissingException(
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'HIVE_SERVER2', required_by='HIVE_METASTORE')
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if hvs_count and not hms_count:
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raise ex.RequiredServiceMissingException(
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'HIVE_METASTORE', required_by='HIVE_SERVER2')
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if whc_count and not hms_count:
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raise ex.RequiredServiceMissingException(
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'HIVE_METASTORE', required_by='HIVE_WEBHCAT')
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hue_count = _get_inst_count(cluster, 'HUE_SERVER')
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if hue_count not in [0, 1]:
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raise ex.InvalidComponentCountException('HUE_SERVER', _('0 or 1'),
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hue_count)
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shs_count = _get_inst_count(cluster, 'SPARK_YARN_HISTORY_SERVER')
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if shs_count not in [0, 1]:
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raise ex.InvalidComponentCountException('SPARK_YARN_HISTORY_SERVER',
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_('0 or 1'), shs_count)
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if shs_count and not rm_count:
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raise ex.RequiredServiceMissingException(
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'YARN_RESOURCEMANAGER', required_by='SPARK_YARN_HISTORY_SERVER')
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if oo_count < 1 and hue_count:
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raise ex.RequiredServiceMissingException(
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'OOZIE_SERVER', required_by='HUE_SERVER')
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if hms_count < 1 and hue_count:
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raise ex.RequiredServiceMissingException(
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'HIVE_METASTORE', required_by='HUE_SERVER')
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hbm_count = _get_inst_count(cluster, 'HBASE_MASTER')
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hbr_count = _get_inst_count(cluster, 'HBASE_REGIONSERVER')
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zk_count = _get_inst_count(cluster, 'ZOOKEEPER_SERVER')
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if hbm_count >= 1:
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if zk_count < 1:
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raise ex.RequiredServiceMissingException('ZOOKEEPER',
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required_by='HBASE')
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if hbr_count < 1:
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raise ex.InvalidComponentCountException(
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'HBASE_REGIONSERVER', _('at least 1'), hbr_count)
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elif hbr_count >= 1:
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raise ex.InvalidComponentCountException('HBASE_MASTER',
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_('at least 1'), hbm_count)
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a_count = _get_inst_count(cluster, 'FLUME_AGENT')
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if a_count >= 1:
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if dn_count < 1:
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raise ex.RequiredServiceMissingException(
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'HDFS_DATANODE', required_by='FLUME_AGENT')
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snt_count = _get_inst_count(cluster, 'SENTRY_SERVER')
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if snt_count not in [0, 1]:
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raise ex.InvalidComponentCountException('SENTRY_SERVER', _('0 or 1'),
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snt_count)
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if snt_count == 1:
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if dn_count < 1:
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raise ex.RequiredServiceMissingException(
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'HDFS_DATANODE', required_by='SENTRY_SERVER')
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if zk_count < 1:
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raise ex.RequiredServiceMissingException(
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'ZOOKEEPER', required_by='SENTRY_SERVER')
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slr_count = _get_inst_count(cluster, 'SOLR_SERVER')
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if slr_count >= 1:
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if dn_count < 1:
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raise ex.RequiredServiceMissingException(
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'HDFS_DATANODE', required_by='SOLR_SERVER')
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if zk_count < 1:
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raise ex.RequiredServiceMissingException(
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'ZOOKEEPER', required_by='SOLR_SERVER')
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s2s_count = _get_inst_count(cluster, 'SQOOP_SERVER')
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if s2s_count not in [0, 1]:
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raise ex.InvalidComponentCountException('SQOOP_SERVER', _('0 or 1'),
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s2s_count)
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if s2s_count == 1:
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if dn_count < 1:
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raise ex.RequiredServiceMissingException(
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'HDFS_DATANODE', required_by='SQOOP_SERVER')
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if nm_count < 1:
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raise ex.RequiredServiceMissingException(
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'YARN_NODEMANAGER', required_by='SQOOP_SERVER')
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if hs_count != 1:
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raise ex.RequiredServiceMissingException(
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'YARN_JOBHISTORY', required_by='SQOOP_SERVER')
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lhbi_count = _get_inst_count(cluster, 'HBASE_INDEXER')
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if lhbi_count >= 1:
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if dn_count < 1:
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raise ex.RequiredServiceMissingException(
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'HDFS_DATANODE', required_by='HBASE_INDEXER')
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if zk_count < 1:
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raise ex.RequiredServiceMissingException(
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'ZOOKEEPER', required_by='HBASE_INDEXER')
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if slr_count < 1:
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raise ex.RequiredServiceMissingException(
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'SOLR_SERVER', required_by='HBASE_INDEXER')
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if hbm_count < 1:
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raise ex.RequiredServiceMissingException(
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'HBASE_MASTER', required_by='HBASE_INDEXER')
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ics_count = _get_inst_count(cluster, 'IMPALA_CATALOGSERVER')
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iss_count = _get_inst_count(cluster, 'IMPALA_STATESTORE')
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id_count = _get_inst_count(cluster, 'IMPALAD')
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if ics_count not in [0, 1]:
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raise ex.InvalidComponentCountException('IMPALA_CATALOGSERVER',
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_('0 or 1'), ics_count)
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if iss_count not in [0, 1]:
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raise ex.InvalidComponentCountException('IMPALA_STATESTORE',
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_('0 or 1'), iss_count)
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if ics_count == 1:
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if iss_count != 1:
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raise ex.RequiredServiceMissingException(
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'IMPALA_STATESTORE', required_by='IMPALA')
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if id_count < 1:
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raise ex.RequiredServiceMissingException(
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'IMPALAD', required_by='IMPALA')
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if dn_count < 1:
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raise ex.RequiredServiceMissingException(
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'HDFS_DATANODE', required_by='IMPALA')
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if hms_count < 1:
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raise ex.RequiredServiceMissingException(
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'HIVE_METASTORE', required_by='IMPALA')
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def validate_additional_ng_scaling(cluster, additional):
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rm = PU.get_resourcemanager(cluster)
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scalable_processes = _get_scalable_processes()
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for ng_id in additional:
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ng = gu.get_by_id(cluster.node_groups, ng_id)
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if not set(ng.node_processes).issubset(scalable_processes):
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msg = _("CDH plugin cannot scale nodegroup with processes: "
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"%(processes)s")
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raise ex.NodeGroupCannotBeScaled(
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ng.name, msg % {'processes': ' '.join(ng.node_processes)})
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if not rm and 'YARN_NODEMANAGER' in ng.node_processes:
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msg = _("CDH plugin cannot scale node group with processes "
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"which have no master-processes run in cluster")
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raise ex.NodeGroupCannotBeScaled(ng.name, msg)
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def validate_existing_ng_scaling(cluster, existing):
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scalable_processes = _get_scalable_processes()
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dn_to_delete = 0
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for ng in cluster.node_groups:
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if ng.id in existing:
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if ng.count > existing[ng.id] and "datanode" in ng.node_processes:
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dn_to_delete += ng.count - existing[ng.id]
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if not set(ng.node_processes).issubset(scalable_processes):
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msg = _("CDH plugin cannot scale nodegroup with processes: "
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"%(processes)s")
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raise ex.NodeGroupCannotBeScaled(
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ng.name, msg % {'processes': ' '.join(ng.node_processes)})
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def _get_scalable_processes():
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return ['HDFS_DATANODE', 'YARN_NODEMANAGER']
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def _get_inst_count(cluster, process):
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return sum([ng.count for ng in u.get_node_groups(cluster, process)])
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