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Posted to commits@ambari.apache.org by jo...@apache.org on 2017/08/03 12:27:56 UTC
[08/13] ambari git commit: AMBARI-21624. HDFS restart failed post
Ambari upgrade when lzo compression was enabled
AMBARI-21624. HDFS restart failed post Ambari upgrade when lzo compression was enabled
Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/8f051fc5
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/8f051fc5
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/8f051fc5
Branch: refs/heads/branch-2.6
Commit: 8f051fc5bb6aa5ca495372a800efabc5191662df
Parents: 963d7c6
Author: Attila Doroszlai <ad...@hortonworks.com>
Authored: Tue Aug 1 23:12:17 2017 +0200
Committer: Attila Doroszlai <ad...@hortonworks.com>
Committed: Wed Aug 2 15:06:55 2017 +0200
----------------------------------------------------------------------
.../package/alerts/alert_checkpoint_time.py | 255 +++++++++
.../alerts/alert_datanode_unmounted_data_dir.py | 177 ++++++
.../package/alerts/alert_ha_namenode_health.py | 243 ++++++++
.../package/alerts/alert_metrics_deviation.py | 470 ++++++++++++++++
.../package/alerts/alert_upgrade_finalized.py | 179 ++++++
.../services/HDFS/package/files/checkWebUI.py | 86 +++
.../services/HDFS/package/scripts/__init__.py | 20 +
.../scripts/balancer-emulator/hdfs-command.py | 45 ++
.../services/HDFS/package/scripts/datanode.py | 174 ++++++
.../HDFS/package/scripts/datanode_upgrade.py | 156 +++++
.../4.2.5/services/HDFS/package/scripts/hdfs.py | 173 ++++++
.../HDFS/package/scripts/hdfs_client.py | 123 ++++
.../HDFS/package/scripts/hdfs_datanode.py | 84 +++
.../HDFS/package/scripts/hdfs_namenode.py | 562 +++++++++++++++++++
.../HDFS/package/scripts/hdfs_nfsgateway.py | 75 +++
.../HDFS/package/scripts/hdfs_rebalance.py | 130 +++++
.../HDFS/package/scripts/hdfs_snamenode.py | 64 +++
.../HDFS/package/scripts/install_params.py | 38 ++
.../HDFS/package/scripts/journalnode.py | 198 +++++++
.../HDFS/package/scripts/journalnode_upgrade.py | 152 +++++
.../services/HDFS/package/scripts/namenode.py | 420 ++++++++++++++
.../HDFS/package/scripts/namenode_ha_state.py | 219 ++++++++
.../HDFS/package/scripts/namenode_upgrade.py | 322 +++++++++++
.../services/HDFS/package/scripts/nfsgateway.py | 147 +++++
.../services/HDFS/package/scripts/params.py | 30 +
.../HDFS/package/scripts/params_linux.py | 527 +++++++++++++++++
.../HDFS/package/scripts/params_windows.py | 76 +++
.../HDFS/package/scripts/service_check.py | 153 +++++
.../HDFS/package/scripts/setup_ranger_hdfs.py | 121 ++++
.../services/HDFS/package/scripts/snamenode.py | 152 +++++
.../HDFS/package/scripts/status_params.py | 58 ++
.../services/HDFS/package/scripts/utils.py | 385 +++++++++++++
.../services/HDFS/package/scripts/zkfc_slave.py | 200 +++++++
.../package/templates/exclude_hosts_list.j2 | 21 +
.../HDFS/package/templates/hdfs.conf.j2 | 35 ++
.../services/HDFS/package/templates/slaves.j2 | 21 +
36 files changed, 6291 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_checkpoint_time.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_checkpoint_time.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_checkpoint_time.py
new file mode 100644
index 0000000..26127c3
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_checkpoint_time.py
@@ -0,0 +1,255 @@
+#!/usr/bin/env python
+
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import time
+import urllib2
+import ambari_simplejson as json # simplejson is much faster comparing to Python 2.6 json module and has the same functions set.
+import logging
+import traceback
+
+from resource_management.libraries.functions.namenode_ha_utils import get_all_namenode_addresses
+from resource_management.libraries.functions.curl_krb_request import curl_krb_request
+from resource_management.libraries.functions.curl_krb_request import DEFAULT_KERBEROS_KINIT_TIMER_MS
+from resource_management.libraries.functions.curl_krb_request import KERBEROS_KINIT_TIMER_PARAMETER
+from resource_management.core.environment import Environment
+
+LABEL = 'Last Checkpoint: [{h} hours, {m} minutes, {tx} transactions]'
+HDFS_SITE_KEY = '{{hdfs-site}}'
+
+RESULT_STATE_UNKNOWN = 'UNKNOWN'
+RESULT_STATE_SKIPPED = 'SKIPPED'
+
+NN_HTTP_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.http-address}}'
+NN_HTTPS_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.https-address}}'
+NN_HTTP_POLICY_KEY = '{{hdfs-site/dfs.http.policy}}'
+NN_CHECKPOINT_TX_KEY = '{{hdfs-site/dfs.namenode.checkpoint.txns}}'
+NN_CHECKPOINT_PERIOD_KEY = '{{hdfs-site/dfs.namenode.checkpoint.period}}'
+
+PERCENT_WARNING_KEY = 'checkpoint.time.warning.threshold'
+PERCENT_WARNING_DEFAULT = 200
+
+PERCENT_CRITICAL_KEY = 'checkpoint.time.critical.threshold'
+PERCENT_CRITICAL_DEFAULT = 200
+
+CHECKPOINT_TX_MULTIPLIER_WARNING_KEY = 'checkpoint.txns.multiplier.warning.threshold'
+CHECKPOINT_TX_MULTIPLIER_WARNING_DEFAULT = 2
+
+CHECKPOINT_TX_MULTIPLIER_CRITICAL_KEY = 'checkpoint.txns.multiplier.critical.threshold'
+CHECKPOINT_TX_MULTIPLIER_CRITICAL_DEFAULT = 4
+
+CHECKPOINT_TX_DEFAULT = 1000000
+CHECKPOINT_PERIOD_DEFAULT = 21600
+
+CONNECTION_TIMEOUT_KEY = 'connection.timeout'
+CONNECTION_TIMEOUT_DEFAULT = 5.0
+
+KERBEROS_KEYTAB = '{{hdfs-site/dfs.web.authentication.kerberos.keytab}}'
+KERBEROS_PRINCIPAL = '{{hdfs-site/dfs.web.authentication.kerberos.principal}}'
+SECURITY_ENABLED_KEY = '{{cluster-env/security_enabled}}'
+SMOKEUSER_KEY = "{{cluster-env/smokeuser}}"
+EXECUTABLE_SEARCH_PATHS = '{{kerberos-env/executable_search_paths}}'
+
+logger = logging.getLogger('ambari_alerts')
+
+def get_tokens():
+ """
+ Returns a tuple of tokens in the format {{site/property}} that will be used
+ to build the dictionary passed into execute
+ """
+ return (HDFS_SITE_KEY, NN_HTTP_ADDRESS_KEY, NN_HTTPS_ADDRESS_KEY, NN_HTTP_POLICY_KEY, EXECUTABLE_SEARCH_PATHS,
+ NN_CHECKPOINT_TX_KEY, NN_CHECKPOINT_PERIOD_KEY, KERBEROS_KEYTAB, KERBEROS_PRINCIPAL, SECURITY_ENABLED_KEY, SMOKEUSER_KEY)
+
+
+def execute(configurations={}, parameters={}, host_name=None):
+ """
+ Returns a tuple containing the result code and a pre-formatted result label
+
+ Keyword arguments:
+ configurations (dictionary): a mapping of configuration key to value
+ parameters (dictionary): a mapping of script parameter key to value
+ host_name (string): the name of this host where the alert is running
+ """
+
+ if configurations is None:
+ return (('UNKNOWN', ['There were no configurations supplied to the script.']))
+
+ uri = None
+ scheme = 'http'
+ http_uri = None
+ https_uri = None
+ http_policy = 'HTTP_ONLY'
+ checkpoint_tx = CHECKPOINT_TX_DEFAULT
+ checkpoint_period = CHECKPOINT_PERIOD_DEFAULT
+
+ # hdfs-site is required
+ if not HDFS_SITE_KEY in configurations:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script'.format(HDFS_SITE_KEY)])
+
+ if NN_HTTP_POLICY_KEY in configurations:
+ http_policy = configurations[NN_HTTP_POLICY_KEY]
+
+ if NN_CHECKPOINT_TX_KEY in configurations:
+ checkpoint_tx = configurations[NN_CHECKPOINT_TX_KEY]
+
+ if NN_CHECKPOINT_PERIOD_KEY in configurations:
+ checkpoint_period = configurations[NN_CHECKPOINT_PERIOD_KEY]
+
+ if SMOKEUSER_KEY in configurations:
+ smokeuser = configurations[SMOKEUSER_KEY]
+
+ executable_paths = None
+ if EXECUTABLE_SEARCH_PATHS in configurations:
+ executable_paths = configurations[EXECUTABLE_SEARCH_PATHS]
+
+ security_enabled = False
+ if SECURITY_ENABLED_KEY in configurations:
+ security_enabled = str(configurations[SECURITY_ENABLED_KEY]).upper() == 'TRUE'
+
+ kerberos_keytab = None
+ if KERBEROS_KEYTAB in configurations:
+ kerberos_keytab = configurations[KERBEROS_KEYTAB]
+
+ kerberos_principal = None
+ if KERBEROS_PRINCIPAL in configurations:
+ kerberos_principal = configurations[KERBEROS_PRINCIPAL]
+ kerberos_principal = kerberos_principal.replace('_HOST', host_name)
+
+ # parse script arguments
+ connection_timeout = CONNECTION_TIMEOUT_DEFAULT
+ if CONNECTION_TIMEOUT_KEY in parameters:
+ connection_timeout = float(parameters[CONNECTION_TIMEOUT_KEY])
+
+ percent_warning = PERCENT_WARNING_DEFAULT
+ if PERCENT_WARNING_KEY in parameters:
+ percent_warning = float(parameters[PERCENT_WARNING_KEY])
+
+ percent_critical = PERCENT_CRITICAL_DEFAULT
+ if PERCENT_CRITICAL_KEY in parameters:
+ percent_critical = float(parameters[PERCENT_CRITICAL_KEY])
+
+ checkpoint_txn_multiplier_warning = CHECKPOINT_TX_MULTIPLIER_WARNING_DEFAULT
+ if CHECKPOINT_TX_MULTIPLIER_WARNING_KEY in parameters:
+ checkpoint_txn_multiplier_warning = float(parameters[CHECKPOINT_TX_MULTIPLIER_WARNING_KEY])
+
+ checkpoint_txn_multiplier_critical = CHECKPOINT_TX_MULTIPLIER_CRITICAL_DEFAULT
+ if CHECKPOINT_TX_MULTIPLIER_CRITICAL_KEY in parameters:
+ checkpoint_txn_multiplier_critical = float(parameters[CHECKPOINT_TX_MULTIPLIER_CRITICAL_KEY])
+
+ kinit_timer_ms = parameters.get(KERBEROS_KINIT_TIMER_PARAMETER, DEFAULT_KERBEROS_KINIT_TIMER_MS)
+
+ # determine the right URI and whether to use SSL
+ hdfs_site = configurations[HDFS_SITE_KEY]
+
+ scheme = "https" if http_policy == "HTTPS_ONLY" else "http"
+
+ nn_addresses = get_all_namenode_addresses(hdfs_site)
+ for nn_address in nn_addresses:
+ if nn_address.startswith(host_name + ":"):
+ uri = nn_address
+ break
+ if not uri:
+ return (RESULT_STATE_SKIPPED, ['NameNode on host {0} not found (namenode adresses = {1})'.format(host_name, ', '.join(nn_addresses))])
+
+ current_time = int(round(time.time() * 1000))
+
+ last_checkpoint_time_qry = "{0}://{1}/jmx?qry=Hadoop:service=NameNode,name=FSNamesystem".format(scheme,uri)
+ journal_transaction_info_qry = "{0}://{1}/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo".format(scheme,uri)
+
+ # start out assuming an OK status
+ label = None
+ result_code = "OK"
+
+ try:
+ if kerberos_principal is not None and kerberos_keytab is not None and security_enabled:
+ env = Environment.get_instance()
+
+ # curl requires an integer timeout
+ curl_connection_timeout = int(connection_timeout)
+
+ last_checkpoint_time_response, error_msg, time_millis = curl_krb_request(env.tmp_dir, kerberos_keytab,
+ kerberos_principal, last_checkpoint_time_qry,"checkpoint_time_alert", executable_paths, False,
+ "NameNode Last Checkpoint", smokeuser, connection_timeout=curl_connection_timeout,
+ kinit_timer_ms = kinit_timer_ms)
+
+ last_checkpoint_time_response_json = json.loads(last_checkpoint_time_response)
+ last_checkpoint_time = int(last_checkpoint_time_response_json["beans"][0]["LastCheckpointTime"])
+
+ journal_transaction_info_response, error_msg, time_millis = curl_krb_request(env.tmp_dir, kerberos_keytab,
+ kerberos_principal, journal_transaction_info_qry,"checkpoint_time_alert", executable_paths,
+ False, "NameNode Last Checkpoint", smokeuser, connection_timeout=curl_connection_timeout,
+ kinit_timer_ms = kinit_timer_ms)
+
+ journal_transaction_info_response_json = json.loads(journal_transaction_info_response)
+ journal_transaction_info = journal_transaction_info_response_json["beans"][0]["JournalTransactionInfo"]
+ else:
+ last_checkpoint_time = int(get_value_from_jmx(last_checkpoint_time_qry,
+ "LastCheckpointTime", connection_timeout))
+
+ journal_transaction_info = get_value_from_jmx(journal_transaction_info_qry,
+ "JournalTransactionInfo", connection_timeout)
+
+ journal_transaction_info_dict = json.loads(journal_transaction_info)
+
+ last_tx = int(journal_transaction_info_dict['LastAppliedOrWrittenTxId'])
+ most_recent_tx = int(journal_transaction_info_dict['MostRecentCheckpointTxId'])
+ transaction_difference = last_tx - most_recent_tx
+
+ delta = (current_time - last_checkpoint_time)/1000
+
+ label = LABEL.format(h=get_time(delta)['h'], m=get_time(delta)['m'], tx=transaction_difference)
+
+ is_checkpoint_txn_warning = transaction_difference > checkpoint_txn_multiplier_warning * int(checkpoint_tx)
+ is_checkpoint_txn_critical = transaction_difference > checkpoint_txn_multiplier_critical * int(checkpoint_tx)
+
+ # Either too many uncommitted transactions or missed check-pointing for
+ # long time decided by the thresholds
+ if is_checkpoint_txn_critical or (float(delta) / int(checkpoint_period)*100 >= int(percent_critical)):
+ logger.debug('Raising critical alert: transaction_difference = {0}, checkpoint_tx = {1}'.format(transaction_difference, checkpoint_tx))
+ result_code = 'CRITICAL'
+ elif is_checkpoint_txn_warning or (float(delta) / int(checkpoint_period)*100 >= int(percent_warning)):
+ logger.debug('Raising warning alert: transaction_difference = {0}, checkpoint_tx = {1}'.format(transaction_difference, checkpoint_tx))
+ result_code = 'WARNING'
+
+ except:
+ label = traceback.format_exc()
+ result_code = 'UNKNOWN'
+
+ return ((result_code, [label]))
+
+def get_time(delta):
+ h = int(delta/3600)
+ m = int((delta % 3600)/60)
+ return {'h':h, 'm':m}
+
+
+def get_value_from_jmx(query, jmx_property, connection_timeout):
+ response = None
+
+ try:
+ response = urllib2.urlopen(query, timeout=connection_timeout)
+ data = response.read()
+ data_dict = json.loads(data)
+ return data_dict["beans"][0][jmx_property]
+ finally:
+ if response is not None:
+ try:
+ response.close()
+ except:
+ pass
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_datanode_unmounted_data_dir.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_datanode_unmounted_data_dir.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_datanode_unmounted_data_dir.py
new file mode 100644
index 0000000..765831d
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_datanode_unmounted_data_dir.py
@@ -0,0 +1,177 @@
+#!/usr/bin/env python
+
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import os
+import logging
+import urlparse
+
+from resource_management.libraries.functions import file_system
+from resource_management.libraries.functions import mounted_dirs_helper
+
+RESULT_STATE_OK = 'OK'
+RESULT_STATE_WARNING = 'WARNING'
+RESULT_STATE_CRITICAL = 'CRITICAL'
+RESULT_STATE_UNKNOWN = 'UNKNOWN'
+
+DFS_DATA_DIR = '{{hdfs-site/dfs.datanode.data.dir}}'
+DATA_STORAGE_TAGS = ['[DISK]','[SSD]','[RAM_DISK]','[ARCHIVE]']
+DATA_DIR_MOUNT_FILE = "/var/lib/ambari-agent/data/datanode/dfs_data_dir_mount.hist"
+
+logger = logging.getLogger()
+
+
+def get_tokens():
+ """
+ Returns a tuple of tokens in the format {{site/property}} that will be used
+ to build the dictionary passed into execute
+ """
+ return (DFS_DATA_DIR, DATA_DIR_MOUNT_FILE)
+
+
+def execute(configurations={}, parameters={}, host_name=None):
+ """
+ Returns a tuple containing the result code and a pre-formatted result label
+
+ Keyword arguments:
+ configurations (dictionary): a mapping of configuration key to value
+ parameters (dictionary): a mapping of script parameter key to value
+ host_name (string): the name of this host where the alert is running
+
+ DataNode directories can be of the following formats and each needs to be supported:
+ /grid/dn/archive0
+ [SSD]/grid/dn/archive0
+ [ARCHIVE]file:///grid/dn/archive0
+ """
+ warnings = []
+ errors = []
+
+ if configurations is None:
+ return (RESULT_STATE_UNKNOWN, ['There were no configurations supplied to the script.'])
+
+ # Check required properties
+ if DFS_DATA_DIR not in configurations:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script'.format(DFS_DATA_DIR)])
+
+ dfs_data_dir = configurations[DFS_DATA_DIR]
+
+ if dfs_data_dir is None:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script and the value is null'.format(DFS_DATA_DIR)])
+
+ # This follows symlinks and will return False for a broken link (even in the middle of the linked list)
+ data_dir_mount_file_exists = True
+ if not os.path.exists(DATA_DIR_MOUNT_FILE):
+ data_dir_mount_file_exists = False
+ warnings.append("{0} was not found.".format(DATA_DIR_MOUNT_FILE))
+
+ normalized_data_dirs = set() # data dirs that have been normalized
+ data_dirs_not_exist = set() # data dirs that do not exist
+ data_dirs_unknown = set() # data dirs for which could not determine mount
+ data_dirs_on_root = set() # set of data dirs that are on root mount
+ data_dirs_on_mount = set() # set of data dirs that are mounted on a device
+ data_dirs_unmounted = [] # list of data dirs that are known to have become unmounted
+
+ # transform each data directory into something that we can use
+ for data_dir in dfs_data_dir.split(","):
+ if data_dir is None or data_dir.strip() == "":
+ continue
+
+ data_dir = data_dir.strip()
+
+ # filter out data storage tags
+ for tag in DATA_STORAGE_TAGS:
+ if data_dir.startswith(tag):
+ data_dir = data_dir.replace(tag, "")
+ continue
+
+ # parse the path in case it contains a URI scheme
+ data_dir = urlparse.urlparse(data_dir).path
+
+ normalized_data_dirs.add(data_dir)
+
+ # Sort the data dirs, which is needed for deterministic behavior when running the unit tests.
+ normalized_data_dirs = sorted(normalized_data_dirs)
+ for data_dir in normalized_data_dirs:
+ # This follows symlinks and will return False for a broken link (even in the middle of the linked list)
+ if os.path.isdir(data_dir):
+ curr_mount_point = file_system.get_mount_point_for_dir(data_dir)
+ curr_mount_point = curr_mount_point.strip() if curr_mount_point else curr_mount_point
+
+ if curr_mount_point is not None and curr_mount_point != "":
+ if curr_mount_point == "/":
+ data_dirs_on_root.add(data_dir)
+ else:
+ data_dirs_on_mount.add(data_dir)
+ else:
+ data_dirs_unknown.add(data_dir)
+ else:
+ data_dirs_not_exist.add(data_dir)
+
+ # To keep the messages consistent for all hosts, sort the sets into lists
+ normalized_data_dirs = sorted(normalized_data_dirs)
+ data_dirs_not_exist = sorted(data_dirs_not_exist)
+ data_dirs_unknown = sorted(data_dirs_unknown)
+ data_dirs_on_root = sorted(data_dirs_on_root)
+
+ if data_dirs_not_exist:
+ errors.append("The following data dir(s) were not found: {0}\n".format("\n".join(data_dirs_not_exist)))
+
+ if data_dirs_unknown:
+ errors.append("Cannot find the mount point for the following data dir(s):\n{0}".format("\n".join(data_dirs_unknown)))
+
+ if data_dir_mount_file_exists:
+ # This dictionary contains the expected values of <data_dir, mount_point>
+ # Hence, we only need to analyze the data dirs that are currently on the root partition
+ # and report an error if they were expected to be on a mount.
+ #
+ # If one of the data dirs is not present in the file, it means that DataNode has not been restarted after
+ # the configuration was changed on the server, so we cannot make any assertions about it.
+ expected_data_dir_to_mount = mounted_dirs_helper.get_dir_to_mount_from_file(DATA_DIR_MOUNT_FILE)
+ for data_dir in data_dirs_on_root:
+ if data_dir in expected_data_dir_to_mount and expected_data_dir_to_mount[data_dir] != "/":
+ data_dirs_unmounted.append(data_dir)
+
+ if len(data_dirs_unmounted) > 0:
+ errors.append("Detected data dir(s) that became unmounted and are now writing to the root partition:\n{0}".format("\n".join(data_dirs_unmounted)))
+ else:
+ # Couldn't make guarantees about the expected value of mount points, so rely on this strategy that is likely to work.
+ # It will report false positives (aka false alarms) if the user actually intended to have
+ # 1+ data dirs on a mount and 1+ data dirs on the root partition.
+ if len(data_dirs_on_mount) >= 1 and len(data_dirs_on_root) >= 1:
+ errors.append("Detected at least one data dir on a mount point, but these are writing to the root partition:\n{0}".format("\n".join(data_dirs_on_root)))
+
+ # Determine the status based on warnings and errors.
+ if len(errors) == 0:
+ status = RESULT_STATE_OK
+ messages = []
+
+ # Check for warnings
+ if len(warnings) > 0:
+ status = RESULT_STATE_WARNING
+ messages += warnings
+
+ if len(normalized_data_dirs) > 0:
+ messages.append("The following data dir(s) are valid:\n{0}".format("\n".join(normalized_data_dirs)))
+ else:
+ messages.append("There are no data directories to analyze.")
+
+ return (status, ["\n".join(messages)])
+ else:
+ # Report errors
+ return (RESULT_STATE_CRITICAL, ["\n".join(errors)])
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_ha_namenode_health.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_ha_namenode_health.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_ha_namenode_health.py
new file mode 100644
index 0000000..28b3f22
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_ha_namenode_health.py
@@ -0,0 +1,243 @@
+#!/usr/bin/env python
+
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import urllib2
+import ambari_simplejson as json # simplejson is much faster comparing to Python 2.6 json module and has the same functions set.
+import logging
+
+from resource_management.libraries.functions.curl_krb_request import curl_krb_request
+from resource_management.libraries.functions.curl_krb_request import DEFAULT_KERBEROS_KINIT_TIMER_MS
+from resource_management.libraries.functions.curl_krb_request import KERBEROS_KINIT_TIMER_PARAMETER
+from resource_management.core.environment import Environment
+
+RESULT_STATE_OK = 'OK'
+RESULT_STATE_CRITICAL = 'CRITICAL'
+RESULT_STATE_UNKNOWN = 'UNKNOWN'
+RESULT_STATE_SKIPPED = 'SKIPPED'
+
+HDFS_NN_STATE_ACTIVE = 'active'
+HDFS_NN_STATE_STANDBY = 'standby'
+
+HDFS_SITE_KEY = '{{hdfs-site}}'
+NAMESERVICE_KEY = '{{hdfs-site/dfs.internal.nameservices}}'
+NN_HTTP_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.http-address}}'
+NN_HTTPS_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.https-address}}'
+DFS_POLICY_KEY = '{{hdfs-site/dfs.http.policy}}'
+
+KERBEROS_KEYTAB = '{{hdfs-site/dfs.web.authentication.kerberos.keytab}}'
+KERBEROS_PRINCIPAL = '{{hdfs-site/dfs.web.authentication.kerberos.principal}}'
+SECURITY_ENABLED_KEY = '{{cluster-env/security_enabled}}'
+SMOKEUSER_KEY = '{{cluster-env/smokeuser}}'
+EXECUTABLE_SEARCH_PATHS = '{{kerberos-env/executable_search_paths}}'
+INADDR_ANY = '0.0.0.0'
+NAMENODE_HTTP_FRAGMENT = 'dfs.namenode.http-address.{0}.{1}'
+NAMENODE_HTTPS_FRAGMENT = 'dfs.namenode.https-address.{0}.{1}'
+NAMENODE_RPC_FRAGMENT = 'dfs.namenode.rpc-address.{0}.{1}'
+
+CONNECTION_TIMEOUT_KEY = 'connection.timeout'
+CONNECTION_TIMEOUT_DEFAULT = 5.0
+
+LOGGER_EXCEPTION_MESSAGE = "[Alert] NameNode High Availability Health on {0} fails:"
+logger = logging.getLogger('ambari_alerts')
+
+def get_tokens():
+ """
+ Returns a tuple of tokens in the format {{site/property}} that will be used
+ to build the dictionary passed into execute
+ """
+ return (HDFS_SITE_KEY, NAMESERVICE_KEY, NN_HTTP_ADDRESS_KEY, EXECUTABLE_SEARCH_PATHS,
+ NN_HTTPS_ADDRESS_KEY, DFS_POLICY_KEY, SMOKEUSER_KEY, KERBEROS_KEYTAB, KERBEROS_PRINCIPAL, SECURITY_ENABLED_KEY)
+
+
+def execute(configurations={}, parameters={}, host_name=None):
+ """
+ Returns a tuple containing the result code and a pre-formatted result label
+
+ Keyword arguments:
+ configurations (dictionary): a mapping of configuration key to value
+ parameters (dictionary): a mapping of script parameter key to value
+ host_name (string): the name of this host where the alert is running
+ """
+ if configurations is None:
+ return (RESULT_STATE_UNKNOWN, ['There were no configurations supplied to the script.'])
+
+ # if not in HA mode, then SKIP
+ if not NAMESERVICE_KEY in configurations:
+ return (RESULT_STATE_SKIPPED, ['NameNode HA is not enabled'])
+
+ # hdfs-site is required
+ if not HDFS_SITE_KEY in configurations:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script'.format(HDFS_SITE_KEY)])
+
+ if SMOKEUSER_KEY in configurations:
+ smokeuser = configurations[SMOKEUSER_KEY]
+
+ executable_paths = None
+ if EXECUTABLE_SEARCH_PATHS in configurations:
+ executable_paths = configurations[EXECUTABLE_SEARCH_PATHS]
+
+ # parse script arguments
+ connection_timeout = CONNECTION_TIMEOUT_DEFAULT
+ if CONNECTION_TIMEOUT_KEY in parameters:
+ connection_timeout = float(parameters[CONNECTION_TIMEOUT_KEY])
+
+ security_enabled = False
+ if SECURITY_ENABLED_KEY in configurations:
+ security_enabled = str(configurations[SECURITY_ENABLED_KEY]).upper() == 'TRUE'
+
+ kerberos_keytab = None
+ if KERBEROS_KEYTAB in configurations:
+ kerberos_keytab = configurations[KERBEROS_KEYTAB]
+
+ kerberos_principal = None
+ if KERBEROS_PRINCIPAL in configurations:
+ kerberos_principal = configurations[KERBEROS_PRINCIPAL]
+ kerberos_principal = kerberos_principal.replace('_HOST', host_name)
+
+ kinit_timer_ms = parameters.get(KERBEROS_KINIT_TIMER_PARAMETER, DEFAULT_KERBEROS_KINIT_TIMER_MS)
+
+ # determine whether or not SSL is enabled
+ is_ssl_enabled = False
+ if DFS_POLICY_KEY in configurations:
+ dfs_policy = configurations[DFS_POLICY_KEY]
+ if dfs_policy == "HTTPS_ONLY":
+ is_ssl_enabled = True
+
+ name_service = configurations[NAMESERVICE_KEY]
+ hdfs_site = configurations[HDFS_SITE_KEY]
+
+ # look for dfs.ha.namenodes.foo
+ nn_unique_ids_key = 'dfs.ha.namenodes.' + name_service
+ if not nn_unique_ids_key in hdfs_site:
+ return (RESULT_STATE_UNKNOWN, ['Unable to find unique namenode alias key {0}'.format(nn_unique_ids_key)])
+
+ namenode_http_fragment = NAMENODE_HTTP_FRAGMENT
+ jmx_uri_fragment = "http://{0}/jmx?qry=Hadoop:service=NameNode,name=*"
+
+ if is_ssl_enabled:
+ namenode_http_fragment = NAMENODE_HTTPS_FRAGMENT
+ jmx_uri_fragment = "https://{0}/jmx?qry=Hadoop:service=NameNode,name=*"
+
+
+ active_namenodes = []
+ standby_namenodes = []
+ unknown_namenodes = []
+
+ # now we have something like 'nn1,nn2,nn3,nn4'
+ # turn it into dfs.namenode.[property].[dfs.nameservices].[nn_unique_id]
+ # ie dfs.namenode.http-address.hacluster.nn1
+ nn_unique_ids = hdfs_site[nn_unique_ids_key].split(',')
+ for nn_unique_id in nn_unique_ids:
+ key = namenode_http_fragment.format(name_service,nn_unique_id)
+ rpc_key = NAMENODE_RPC_FRAGMENT.format(name_service,nn_unique_id)
+
+ if key in hdfs_site:
+ # use str() to ensure that unicode strings do not have the u' in them
+ value = str(hdfs_site[key])
+ if INADDR_ANY in value and rpc_key in hdfs_site:
+ rpc_value = str(hdfs_site[rpc_key])
+ if INADDR_ANY not in rpc_value:
+ rpc_host = rpc_value.split(":")[0]
+ value = value.replace(INADDR_ANY, rpc_host)
+
+ try:
+ jmx_uri = jmx_uri_fragment.format(value)
+ if kerberos_principal is not None and kerberos_keytab is not None and security_enabled:
+ env = Environment.get_instance()
+
+ # curl requires an integer timeout
+ curl_connection_timeout = int(connection_timeout)
+
+ state_response, error_msg, time_millis = curl_krb_request(env.tmp_dir,
+ kerberos_keytab, kerberos_principal, jmx_uri,"ha_nn_health", executable_paths, False,
+ "NameNode High Availability Health", smokeuser, connection_timeout=curl_connection_timeout,
+ kinit_timer_ms = kinit_timer_ms)
+
+ state = _get_ha_state_from_json(state_response)
+ else:
+ state_response = get_jmx(jmx_uri, connection_timeout)
+ state = _get_ha_state_from_json(state_response)
+
+ if state == HDFS_NN_STATE_ACTIVE:
+ active_namenodes.append(value)
+ elif state == HDFS_NN_STATE_STANDBY:
+ standby_namenodes.append(value)
+ else:
+ unknown_namenodes.append(value)
+ except:
+ logger.exception(LOGGER_EXCEPTION_MESSAGE.format(host_name))
+ unknown_namenodes.append(value)
+
+ # there's only one scenario here; there is exactly 1 active and 1 standby
+ is_topology_healthy = len(active_namenodes) == 1 and len(standby_namenodes) == 1
+
+ result_label = 'Active{0}, Standby{1}, Unknown{2}'.format(str(active_namenodes),
+ str(standby_namenodes), str(unknown_namenodes))
+
+ if is_topology_healthy:
+ # if there is exactly 1 active and 1 standby NN
+ return (RESULT_STATE_OK, [result_label])
+ else:
+ # other scenario
+ return (RESULT_STATE_CRITICAL, [result_label])
+
+
+def get_jmx(query, connection_timeout):
+ response = None
+
+ try:
+ response = urllib2.urlopen(query, timeout=connection_timeout)
+ json_data = response.read()
+ return json_data
+ finally:
+ if response is not None:
+ try:
+ response.close()
+ except:
+ pass
+
+
+def _get_ha_state_from_json(string_json):
+ """
+ Searches through the specified JSON string looking for HA state
+ enumerations.
+ :param string_json: the string JSON
+ :return: the value of the HA state (active, standby, etc)
+ """
+ json_data = json.loads(string_json)
+ jmx_beans = json_data["beans"]
+
+ # look for NameNodeStatus-State first
+ for jmx_bean in jmx_beans:
+ if "name" not in jmx_bean:
+ continue
+
+ jmx_bean_name = jmx_bean["name"]
+ if jmx_bean_name == "Hadoop:service=NameNode,name=NameNodeStatus" and "State" in jmx_bean:
+ return jmx_bean["State"]
+
+ # look for FSNamesystem-tag.HAState last
+ for jmx_bean in jmx_beans:
+ if "name" not in jmx_bean:
+ continue
+
+ jmx_bean_name = jmx_bean["name"]
+ if jmx_bean_name == "Hadoop:service=NameNode,name=FSNamesystem":
+ return jmx_bean["tag.HAState"]
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_metrics_deviation.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_metrics_deviation.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_metrics_deviation.py
new file mode 100644
index 0000000..f0a1d5c
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_metrics_deviation.py
@@ -0,0 +1,470 @@
+#!/usr/bin/env python
+
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+import httplib
+import locale
+import json
+import logging
+import urllib
+import time
+import urllib2
+
+from resource_management import Environment
+from ambari_commons.aggregate_functions import sample_standard_deviation, mean
+
+from resource_management.libraries.functions.curl_krb_request import curl_krb_request
+from resource_management.libraries.functions.curl_krb_request import DEFAULT_KERBEROS_KINIT_TIMER_MS
+from resource_management.libraries.functions.curl_krb_request import KERBEROS_KINIT_TIMER_PARAMETER
+
+
+RESULT_STATE_OK = 'OK'
+RESULT_STATE_CRITICAL = 'CRITICAL'
+RESULT_STATE_WARNING = 'WARNING'
+RESULT_STATE_UNKNOWN = 'UNKNOWN'
+RESULT_STATE_SKIPPED = 'SKIPPED'
+
+HDFS_NN_STATE_ACTIVE = 'active'
+HDFS_NN_STATE_STANDBY = 'standby'
+
+HDFS_SITE_KEY = '{{hdfs-site}}'
+NAMESERVICE_KEY = '{{hdfs-site/dfs.internal.nameservices}}'
+NN_HTTP_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.http-address}}'
+NN_HTTPS_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.https-address}}'
+DFS_POLICY_KEY = '{{hdfs-site/dfs.http.policy}}'
+
+KERBEROS_KEYTAB = '{{hdfs-site/dfs.web.authentication.kerberos.keytab}}'
+KERBEROS_PRINCIPAL = '{{hdfs-site/dfs.web.authentication.kerberos.principal}}'
+SECURITY_ENABLED_KEY = '{{cluster-env/security_enabled}}'
+SMOKEUSER_KEY = '{{cluster-env/smokeuser}}'
+EXECUTABLE_SEARCH_PATHS = '{{kerberos-env/executable_search_paths}}'
+
+METRICS_COLLECTOR_WEBAPP_ADDRESS_KEY = '{{ams-site/timeline.metrics.service.webapp.address}}'
+METRICS_COLLECTOR_VIP_HOST_KEY = '{{cluster-env/metrics_collector_vip_host}}'
+METRICS_COLLECTOR_VIP_PORT_KEY = '{{cluster-env/metrics_collector_vip_port}}'
+
+CONNECTION_TIMEOUT_KEY = 'connection.timeout'
+CONNECTION_TIMEOUT_DEFAULT = 5.0
+
+MERGE_HA_METRICS_PARAM_KEY = 'mergeHaMetrics'
+MERGE_HA_METRICS_PARAM_DEFAULT = False
+METRIC_NAME_PARAM_KEY = 'metricName'
+METRIC_NAME_PARAM_DEFAULT = ''
+METRIC_UNITS_PARAM_KEY = 'metric.units'
+METRIC_UNITS_DEFAULT = ''
+APP_ID_PARAM_KEY = 'appId'
+APP_ID_PARAM_DEFAULT = 'NAMENODE'
+
+# the interval to check the metric (should be cast to int but could be a float)
+INTERVAL_PARAM_KEY = 'interval'
+INTERVAL_PARAM_DEFAULT = 60
+
+# the default threshold to trigger a CRITICAL (should be cast to int but could a float)
+DEVIATION_CRITICAL_THRESHOLD_KEY = 'metric.deviation.critical.threshold'
+DEVIATION_CRITICAL_THRESHOLD_DEFAULT = 10
+
+# the default threshold to trigger a WARNING (should be cast to int but could be a float)
+DEVIATION_WARNING_THRESHOLD_KEY = 'metric.deviation.warning.threshold'
+DEVIATION_WARNING_THRESHOLD_DEFAULT = 5
+NAMENODE_SERVICE_RPC_PORT_KEY = ''
+
+MINIMUM_VALUE_THRESHOLD_KEY = 'minimumValue'
+
+AMS_METRICS_GET_URL = "/ws/v1/timeline/metrics?%s"
+
+# The variance for this alert is 27MB which is 27% of the 100MB average (20MB is the limit)
+DEVIATION_THRESHOLD_MESSAGE = "The variance for this alert is {0}{1} which is {2:.0f}% of the {3}{4} average ({5}{6} is the limit)"
+
+# The variance for this alert is 15MB which is within 20% of the 904ms average (20MB is the limit)
+DEVIATION_OK_MESSAGE = "The variance for this alert is {0}{1} which is within {2:.0f}% of the {3}{4} average ({5}{6} is the limit)"
+
+logger = logging.getLogger()
+
+def get_tokens():
+ """
+ Returns a tuple of tokens in the format {{site/property}} that will be used
+ to build the dictionary passed into execute
+ """
+ return (HDFS_SITE_KEY, NAMESERVICE_KEY, NN_HTTP_ADDRESS_KEY, DFS_POLICY_KEY,
+ EXECUTABLE_SEARCH_PATHS, NN_HTTPS_ADDRESS_KEY, SMOKEUSER_KEY,
+ KERBEROS_KEYTAB, KERBEROS_PRINCIPAL, SECURITY_ENABLED_KEY,
+ METRICS_COLLECTOR_VIP_HOST_KEY, METRICS_COLLECTOR_VIP_PORT_KEY,
+ METRICS_COLLECTOR_WEBAPP_ADDRESS_KEY)
+
+def execute(configurations={}, parameters={}, host_name=None):
+ """
+ Returns a tuple containing the result code and a pre-formatted result label
+
+ Keyword arguments:
+ configurations : a mapping of configuration key to value
+ parameters : a mapping of script parameter key to value
+ host_name : the name of this host where the alert is running
+
+ :type configurations dict
+ :type parameters dict
+ :type host_name str
+ """
+ hostnames = host_name
+ current_time = int(time.time()) * 1000
+
+ # parse script arguments
+ connection_timeout = CONNECTION_TIMEOUT_DEFAULT
+ if CONNECTION_TIMEOUT_KEY in parameters:
+ connection_timeout = float(parameters[CONNECTION_TIMEOUT_KEY])
+
+ merge_ha_metrics = MERGE_HA_METRICS_PARAM_DEFAULT
+ if MERGE_HA_METRICS_PARAM_KEY in parameters:
+ merge_ha_metrics = parameters[MERGE_HA_METRICS_PARAM_KEY].lower() == 'true'
+
+ metric_name = METRIC_NAME_PARAM_DEFAULT
+ if METRIC_NAME_PARAM_KEY in parameters:
+ metric_name = parameters[METRIC_NAME_PARAM_KEY]
+
+ metric_units = METRIC_UNITS_DEFAULT
+ if METRIC_UNITS_PARAM_KEY in parameters:
+ metric_units = parameters[METRIC_UNITS_PARAM_KEY]
+
+ app_id = APP_ID_PARAM_DEFAULT
+ if APP_ID_PARAM_KEY in parameters:
+ app_id = parameters[APP_ID_PARAM_KEY]
+
+ interval = INTERVAL_PARAM_DEFAULT
+ if INTERVAL_PARAM_KEY in parameters:
+ interval = _coerce_to_integer(parameters[INTERVAL_PARAM_KEY])
+
+ warning_threshold = DEVIATION_WARNING_THRESHOLD_DEFAULT
+ if DEVIATION_WARNING_THRESHOLD_KEY in parameters:
+ warning_threshold = _coerce_to_integer(parameters[DEVIATION_WARNING_THRESHOLD_KEY])
+
+ critical_threshold = DEVIATION_CRITICAL_THRESHOLD_DEFAULT
+ if DEVIATION_CRITICAL_THRESHOLD_KEY in parameters:
+ critical_threshold = _coerce_to_integer(parameters[DEVIATION_CRITICAL_THRESHOLD_KEY])
+
+ minimum_value_threshold = None
+ if MINIMUM_VALUE_THRESHOLD_KEY in parameters:
+ minimum_value_threshold = _coerce_to_integer(parameters[MINIMUM_VALUE_THRESHOLD_KEY])
+
+ #parse configuration
+ if configurations is None:
+ return (RESULT_STATE_UNKNOWN, ['There were no configurations supplied to the script.'])
+
+ # hdfs-site is required
+ if not HDFS_SITE_KEY in configurations:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script'.format(HDFS_SITE_KEY)])
+
+ if METRICS_COLLECTOR_VIP_HOST_KEY in configurations and METRICS_COLLECTOR_VIP_PORT_KEY in configurations:
+ collector_host = configurations[METRICS_COLLECTOR_VIP_HOST_KEY]
+ collector_port = int(configurations[METRICS_COLLECTOR_VIP_PORT_KEY])
+ else:
+ # ams-site/timeline.metrics.service.webapp.address is required
+ if not METRICS_COLLECTOR_WEBAPP_ADDRESS_KEY in configurations:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script'.format(METRICS_COLLECTOR_WEBAPP_ADDRESS_KEY)])
+ else:
+ collector_webapp_address = configurations[METRICS_COLLECTOR_WEBAPP_ADDRESS_KEY].split(":")
+ if valid_collector_webapp_address(collector_webapp_address):
+ collector_host = collector_webapp_address[0]
+ collector_port = int(collector_webapp_address[1])
+ else:
+ return (RESULT_STATE_UNKNOWN, ['{0} value should be set as "fqdn_hostname:port", but set to {1}'.format(
+ METRICS_COLLECTOR_WEBAPP_ADDRESS_KEY, configurations[METRICS_COLLECTOR_WEBAPP_ADDRESS_KEY])])
+
+ namenode_service_rpc_address = None
+ # hdfs-site is required
+ if not HDFS_SITE_KEY in configurations:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script'.format(HDFS_SITE_KEY)])
+
+ hdfs_site = configurations[HDFS_SITE_KEY]
+
+ if 'dfs.namenode.servicerpc-address' in hdfs_site:
+ namenode_service_rpc_address = hdfs_site['dfs.namenode.servicerpc-address']
+
+ # if namenode alert and HA mode
+ if NAMESERVICE_KEY in configurations and app_id.lower() == 'namenode':
+ # hdfs-site is required
+ if not HDFS_SITE_KEY in configurations:
+ return (RESULT_STATE_UNKNOWN, ['{0} is a required parameter for the script'.format(HDFS_SITE_KEY)])
+
+ if SMOKEUSER_KEY in configurations:
+ smokeuser = configurations[SMOKEUSER_KEY]
+
+ executable_paths = None
+ if EXECUTABLE_SEARCH_PATHS in configurations:
+ executable_paths = configurations[EXECUTABLE_SEARCH_PATHS]
+
+ # parse script arguments
+ security_enabled = False
+ if SECURITY_ENABLED_KEY in configurations:
+ security_enabled = str(configurations[SECURITY_ENABLED_KEY]).upper() == 'TRUE'
+
+ kerberos_keytab = None
+ if KERBEROS_KEYTAB in configurations:
+ kerberos_keytab = configurations[KERBEROS_KEYTAB]
+
+ kerberos_principal = None
+ if KERBEROS_PRINCIPAL in configurations:
+ kerberos_principal = configurations[KERBEROS_PRINCIPAL]
+ kerberos_principal = kerberos_principal.replace('_HOST', host_name)
+
+ # determine whether or not SSL is enabled
+ is_ssl_enabled = False
+ if DFS_POLICY_KEY in configurations:
+ dfs_policy = configurations[DFS_POLICY_KEY]
+ if dfs_policy == "HTTPS_ONLY":
+ is_ssl_enabled = True
+
+ kinit_timer_ms = parameters.get(KERBEROS_KINIT_TIMER_PARAMETER, DEFAULT_KERBEROS_KINIT_TIMER_MS)
+
+ name_service = configurations[NAMESERVICE_KEY]
+
+ # look for dfs.ha.namenodes.foo
+ nn_unique_ids_key = 'dfs.ha.namenodes.' + name_service
+ if not nn_unique_ids_key in hdfs_site:
+ return (RESULT_STATE_UNKNOWN, ['Unable to find unique NameNode alias key {0}'.format(nn_unique_ids_key)])
+
+ namenode_http_fragment = 'dfs.namenode.http-address.{0}.{1}'
+ jmx_uri_fragment = "http://{0}/jmx?qry=Hadoop:service=NameNode,name=*"
+
+ if is_ssl_enabled:
+ namenode_http_fragment = 'dfs.namenode.https-address.{0}.{1}'
+ jmx_uri_fragment = "https://{0}/jmx?qry=Hadoop:service=NameNode,name=*"
+
+ # now we have something like 'nn1,nn2,nn3,nn4'
+ # turn it into dfs.namenode.[property].[dfs.nameservices].[nn_unique_id]
+ # ie dfs.namenode.http-address.hacluster.nn1
+ namenodes = []
+ active_namenodes = []
+ nn_unique_ids = hdfs_site[nn_unique_ids_key].split(',')
+ for nn_unique_id in nn_unique_ids:
+ key = namenode_http_fragment.format(name_service, nn_unique_id)
+
+ if key in hdfs_site:
+ # use str() to ensure that unicode strings do not have the u' in them
+ value = str(hdfs_site[key])
+ namenode = str(hdfs_site[key]).split(":")[0]
+
+ namenodes.append(namenode)
+ try:
+ jmx_uri = jmx_uri_fragment.format(value)
+ if kerberos_principal is not None and kerberos_keytab is not None and security_enabled:
+ env = Environment.get_instance()
+
+ # curl requires an integer timeout
+ curl_connection_timeout = int(connection_timeout)
+ state_response, error_msg, time_millis = curl_krb_request(env.tmp_dir,
+ kerberos_keytab, kerberos_principal, jmx_uri,"ha_nn_health", executable_paths, False,
+ "NameNode High Availability Health", smokeuser, connection_timeout=curl_connection_timeout,
+ kinit_timer_ms = kinit_timer_ms)
+
+ state = _get_ha_state_from_json(state_response)
+ else:
+ state_response = get_jmx(jmx_uri, connection_timeout)
+ state = _get_ha_state_from_json(state_response)
+
+ if state == HDFS_NN_STATE_ACTIVE:
+ active_namenodes.append(namenode)
+
+ # Only check active NN
+ nn_service_rpc_address_key = 'dfs.namenode.servicerpc-address.{0}.{1}'.format(name_service, nn_unique_id)
+ if nn_service_rpc_address_key in hdfs_site:
+ namenode_service_rpc_address = hdfs_site[nn_service_rpc_address_key]
+ pass
+ except:
+ logger.exception("Unable to determine the active NameNode")
+ pass
+
+ if merge_ha_metrics:
+ hostnames = ",".join(namenodes)
+ # run only on active NN, no need to run the same requests from the standby
+ if host_name not in active_namenodes:
+ return (RESULT_STATE_SKIPPED, ['This alert will be reported by another host.'])
+ pass
+
+ # Skip service rpc alert if port is not enabled
+ if not namenode_service_rpc_address and 'rpc.rpc.datanode' in metric_name:
+ return (RESULT_STATE_SKIPPED, ['Service RPC port is not enabled.'])
+
+ get_metrics_parameters = {
+ "metricNames": metric_name,
+ "appId": app_id,
+ "hostname": hostnames,
+ "startTime": current_time - interval * 60 * 1000,
+ "endTime": current_time,
+ "grouped": "true",
+ }
+
+ encoded_get_metrics_parameters = urllib.urlencode(get_metrics_parameters)
+
+ try:
+ conn = httplib.HTTPConnection(collector_host, int(collector_port),
+ timeout=connection_timeout)
+ conn.request("GET", AMS_METRICS_GET_URL % encoded_get_metrics_parameters)
+ response = conn.getresponse()
+ data = response.read()
+ conn.close()
+ except Exception:
+ return (RESULT_STATE_UNKNOWN, ["Unable to retrieve metrics from the Ambari Metrics service."])
+
+ if response.status != 200:
+ return (RESULT_STATE_UNKNOWN, ["Unable to retrieve metrics from the Ambari Metrics service."])
+
+ data_json = json.loads(data)
+ metrics = []
+ # will get large standard deviation for multiple hosts,
+ # if host1 reports small local values, but host2 reports large local values
+ for metrics_data in data_json["metrics"]:
+ metrics += metrics_data["metrics"].values()
+ pass
+
+ if not metrics or len(metrics) < 2:
+ number_of_data_points = len(metrics) if metrics else 0
+ return (RESULT_STATE_SKIPPED, ["There are not enough data points to calculate the standard deviation ({0} sampled)".format(
+ number_of_data_points)])
+
+ minimum_value_multiplier = 1
+ if 'dfs.FSNamesystem.CapacityUsed' in metric_name:
+ minimum_value_multiplier = 1024 * 1024 # MB to bytes
+ elif 'rpc.rpc.datanode' in metric_name or 'rpc.rpc.client' in metric_name:
+ minimum_value_multiplier = 1000 # seconds to millis
+
+ if minimum_value_threshold:
+ # Filter out points below min threshold
+ metrics = [metric for metric in metrics if metric > (minimum_value_threshold * minimum_value_multiplier)]
+ if len(metrics) < 2:
+ return (RESULT_STATE_OK, ['There were no data points above the minimum threshold of {0} seconds'.format(minimum_value_threshold)])
+
+ mean_value = mean(metrics)
+ stddev = sample_standard_deviation(metrics)
+
+ try:
+ deviation_percent = stddev / float(mean_value) * 100
+ except ZeroDivisionError:
+ # should not be a case for this alert
+ return (RESULT_STATE_SKIPPED, ["Unable to calculate the standard deviation because the mean value is 0"])
+
+ # log the AMS request
+ if logger.isEnabledFor(logging.DEBUG):
+ logger.debug("""
+ AMS request parameters - {0}
+ AMS response - {1}
+ Mean - {2}
+ Standard deviation - {3}
+ Percentage standard deviation - {4}
+ """.format(encoded_get_metrics_parameters, data_json, mean_value, stddev, deviation_percent))
+
+ mean_value_localized = locale.format("%.0f", mean_value, grouping=True)
+
+ variance_value = (deviation_percent / 100.0) * mean_value
+ variance_value_localized = locale.format("%.0f", variance_value, grouping=True)
+
+ # check for CRITICAL status
+ if deviation_percent > critical_threshold:
+ threshold_value = ((critical_threshold / 100.0) * mean_value)
+ threshold_value_localized = locale.format("%.0f", threshold_value, grouping=True)
+
+ message = DEVIATION_THRESHOLD_MESSAGE.format(variance_value_localized, metric_units, deviation_percent,
+ mean_value_localized, metric_units, threshold_value_localized, metric_units)
+
+ return (RESULT_STATE_CRITICAL,[message])
+
+ # check for WARNING status
+ if deviation_percent > warning_threshold:
+ threshold_value = ((warning_threshold / 100.0) * mean_value)
+ threshold_value_localized = locale.format("%.0f", threshold_value, grouping = True)
+
+ message = DEVIATION_THRESHOLD_MESSAGE.format(variance_value_localized, metric_units, deviation_percent,
+ mean_value_localized, metric_units, threshold_value_localized, metric_units)
+
+ return (RESULT_STATE_WARNING, [message])
+
+ # return OK status; use the warning threshold as the value to compare against
+ threshold_value = ((warning_threshold / 100.0) * mean_value)
+ threshold_value_localized = locale.format("%.0f", threshold_value, grouping = True)
+
+ message = DEVIATION_OK_MESSAGE.format(variance_value_localized, metric_units, warning_threshold,
+ mean_value_localized, metric_units, threshold_value_localized, metric_units)
+
+ return (RESULT_STATE_OK,[message])
+
+
+def valid_collector_webapp_address(webapp_address):
+ if len(webapp_address) == 2 \
+ and webapp_address[0] != '127.0.0.1' \
+ and webapp_address[0] != '0.0.0.0' \
+ and webapp_address[1].isdigit():
+ return True
+
+ return False
+
+
+def get_jmx(query, connection_timeout):
+ response = None
+
+ try:
+ response = urllib2.urlopen(query, timeout=connection_timeout)
+ json_data = response.read()
+ return json_data
+ except Exception:
+ return {"beans": {}}
+ finally:
+ if response is not None:
+ try:
+ response.close()
+ except:
+ pass
+
+def _get_ha_state_from_json(string_json):
+ """
+ Searches through the specified JSON string looking for HA state
+ enumerations.
+ :param string_json: the string JSON
+ :return: the value of the HA state (active, standby, etc)
+ """
+ json_data = json.loads(string_json)
+ jmx_beans = json_data["beans"]
+
+ # look for NameNodeStatus-State first
+ for jmx_bean in jmx_beans:
+ if "name" not in jmx_bean:
+ continue
+
+ jmx_bean_name = jmx_bean["name"]
+ if jmx_bean_name == "Hadoop:service=NameNode,name=NameNodeStatus" and "State" in jmx_bean:
+ return jmx_bean["State"]
+
+ # look for FSNamesystem-tag.HAState last
+ for jmx_bean in jmx_beans:
+ if "name" not in jmx_bean:
+ continue
+
+ jmx_bean_name = jmx_bean["name"]
+ if jmx_bean_name == "Hadoop:service=NameNode,name=FSNamesystem":
+ return jmx_bean["tag.HAState"]
+
+
+def _coerce_to_integer(value):
+ """
+ Attempts to correctly coerce a value to an integer. For the case of an integer or a float,
+ this will essentially either NOOP or return a truncated value. If the parameter is a string,
+ then it will first attempt to be coerced from a integer, and failing that, a float.
+ :param value: the value to coerce
+ :return: the coerced value as an integer
+ """
+ try:
+ return int(value)
+ except ValueError:
+ return int(float(value))
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_upgrade_finalized.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_upgrade_finalized.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_upgrade_finalized.py
new file mode 100644
index 0000000..427f1d1
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/alerts/alert_upgrade_finalized.py
@@ -0,0 +1,179 @@
+#!/usr/bin/env python
+
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import urllib2
+import ambari_simplejson as json # simplejson is much faster comparing to Python 2.6 json module and has the same functions set.
+import logging
+import traceback
+
+from resource_management.libraries.functions.curl_krb_request import curl_krb_request
+from resource_management.libraries.functions.curl_krb_request import DEFAULT_KERBEROS_KINIT_TIMER_MS
+from resource_management.libraries.functions.curl_krb_request import KERBEROS_KINIT_TIMER_PARAMETER
+from resource_management.libraries.functions.curl_krb_request import CONNECTION_TIMEOUT_DEFAULT
+from resource_management.core.environment import Environment
+from resource_management.libraries.functions.namenode_ha_utils import get_all_namenode_addresses
+
+NN_HTTP_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.http-address}}'
+NN_HTTPS_ADDRESS_KEY = '{{hdfs-site/dfs.namenode.https-address}}'
+NN_HTTP_POLICY_KEY = '{{hdfs-site/dfs.http.policy}}'
+
+HDFS_SITE_KEY = '{{hdfs-site}}'
+KERBEROS_KEYTAB = '{{hdfs-site/dfs.web.authentication.kerberos.keytab}}'
+KERBEROS_PRINCIPAL = '{{hdfs-site/dfs.web.authentication.kerberos.principal}}'
+SECURITY_ENABLED_KEY = '{{cluster-env/security_enabled}}'
+SMOKEUSER_KEY = "{{cluster-env/smokeuser}}"
+EXECUTABLE_SEARCH_PATHS = '{{kerberos-env/executable_search_paths}}'
+logger = logging.getLogger('ambari_alerts')
+
+def get_tokens():
+ """
+ Returns a tuple of tokens in the format {{site/property}} that will be used
+ to build the dictionary passed into execute
+
+ :rtype tuple
+ """
+ return (HDFS_SITE_KEY, NN_HTTP_ADDRESS_KEY, NN_HTTPS_ADDRESS_KEY, NN_HTTP_POLICY_KEY, EXECUTABLE_SEARCH_PATHS,
+ KERBEROS_KEYTAB, KERBEROS_PRINCIPAL, SECURITY_ENABLED_KEY, SMOKEUSER_KEY)
+
+
+def execute(configurations={}, parameters={}, host_name=None):
+ """
+ Returns a tuple containing the result code and a pre-formatted result label
+
+ Keyword arguments:
+ configurations : a mapping of configuration key to value
+ parameters : a mapping of script parameter key to value
+ host_name : the name of this host where the alert is running
+
+ :type configurations dict
+ :type parameters dict
+ :type host_name str
+ """
+
+ if configurations is None:
+ return (('UNKNOWN', ['There were no configurations supplied to the script.']))
+
+ uri = None
+ http_policy = 'HTTP_ONLY'
+
+ # hdfs-site is required
+ if not HDFS_SITE_KEY in configurations:
+ return 'SKIPPED', ['{0} is a required parameter for the script'.format(HDFS_SITE_KEY)]
+
+ if NN_HTTP_POLICY_KEY in configurations:
+ http_policy = configurations[NN_HTTP_POLICY_KEY]
+
+ if SMOKEUSER_KEY in configurations:
+ smokeuser = configurations[SMOKEUSER_KEY]
+
+ executable_paths = None
+ if EXECUTABLE_SEARCH_PATHS in configurations:
+ executable_paths = configurations[EXECUTABLE_SEARCH_PATHS]
+
+ security_enabled = False
+ if SECURITY_ENABLED_KEY in configurations:
+ security_enabled = str(configurations[SECURITY_ENABLED_KEY]).upper() == 'TRUE'
+
+ kerberos_keytab = None
+ if KERBEROS_KEYTAB in configurations:
+ kerberos_keytab = configurations[KERBEROS_KEYTAB]
+
+ kerberos_principal = None
+ if KERBEROS_PRINCIPAL in configurations:
+ kerberos_principal = configurations[KERBEROS_PRINCIPAL]
+ kerberos_principal = kerberos_principal.replace('_HOST', host_name)
+
+ kinit_timer_ms = parameters.get(KERBEROS_KINIT_TIMER_PARAMETER, DEFAULT_KERBEROS_KINIT_TIMER_MS)
+
+ # determine the right URI and whether to use SSL
+ hdfs_site = configurations[HDFS_SITE_KEY]
+
+ scheme = "https" if http_policy == "HTTPS_ONLY" else "http"
+
+ nn_addresses = get_all_namenode_addresses(hdfs_site)
+ for nn_address in nn_addresses:
+ if nn_address.startswith(host_name + ":") or nn_address == host_name:
+ uri = nn_address
+ break
+ if not uri:
+ return 'SKIPPED', [
+ 'NameNode on host {0} not found (namenode adresses = {1})'.format(host_name, ', '.join(nn_addresses))]
+
+ upgrade_finalized_qry = "{0}://{1}/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo".format(scheme, uri)
+
+ # start out assuming an OK status
+ label = None
+ result_code = "OK"
+
+ try:
+ if kerberos_principal is not None and kerberos_keytab is not None and security_enabled:
+ env = Environment.get_instance()
+
+ last_checkpoint_time_response, error_msg, time_millis = curl_krb_request(
+ env.tmp_dir, kerberos_keytab,
+ kerberos_principal, upgrade_finalized_qry, "upgrade_finalized_state", executable_paths, False,
+ "HDFS Upgrade Finalized State", smokeuser, kinit_timer_ms = kinit_timer_ms
+ )
+
+ upgrade_finalized_response_json = json.loads(last_checkpoint_time_response)
+ upgrade_finalized = bool(upgrade_finalized_response_json["beans"][0]["UpgradeFinalized"])
+
+ else:
+ upgrade_finalized = bool(get_value_from_jmx(upgrade_finalized_qry,
+ "UpgradeFinalized"))
+
+ if upgrade_finalized:
+ label = "HDFS cluster is not in the upgrade state"
+ result_code = 'OK'
+ else:
+ label = "HDFS cluster is not finalized"
+ result_code = 'CRITICAL'
+
+ except:
+ label = traceback.format_exc()
+ result_code = 'UNKNOWN'
+
+ return ((result_code, [label]))
+
+def get_value_from_jmx(query, jmx_property):
+ """
+ Read property from the jxm endpoint
+
+ :param query: jmx uri path
+ :param jmx_property: property name to read
+ :return: jmx property value
+
+ :type query str
+ :type jmx_property str
+ """
+ response = None
+
+ try:
+ response = urllib2.urlopen(query, timeout=int(CONNECTION_TIMEOUT_DEFAULT))
+ data = response.read()
+
+ data_dict = json.loads(data)
+ return data_dict["beans"][0][jmx_property]
+ finally:
+ if response is not None:
+ try:
+ response.close()
+ except:
+ pass
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/files/checkWebUI.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/files/checkWebUI.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/files/checkWebUI.py
new file mode 100644
index 0000000..6e4b028
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/files/checkWebUI.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python
+
+'''
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+'''
+
+import optparse
+import httplib
+import socket
+import ssl
+
+class ForcedProtocolHTTPSConnection(httplib.HTTPSConnection):
+ """
+ Some of python implementations does not work correctly with sslv3 but trying to use it, we need to change protocol to
+ tls1.
+ """
+ def __init__(self, host, port, force_protocol, **kwargs):
+ httplib.HTTPSConnection.__init__(self, host, port, **kwargs)
+ self.force_protocol = force_protocol
+
+ def connect(self):
+ sock = socket.create_connection((self.host, self.port), self.timeout)
+ if getattr(self, '_tunnel_host', None):
+ self.sock = sock
+ self._tunnel()
+ self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=getattr(ssl, self.force_protocol))
+
+def make_connection(host, port, https, force_protocol=None):
+ try:
+ conn = httplib.HTTPConnection(host, port) if not https else httplib.HTTPSConnection(host, port)
+ conn.request("GET", "/")
+ return conn.getresponse().status
+ except ssl.SSLError:
+ # got ssl error, lets try to use TLS1 protocol, maybe it will work
+ try:
+ tls1_conn = ForcedProtocolHTTPSConnection(host, port, force_protocol)
+ tls1_conn.request("GET", "/")
+ return tls1_conn.getresponse().status
+ except Exception as e:
+ print e
+ finally:
+ tls1_conn.close()
+ except Exception as e:
+ print e
+ finally:
+ conn.close()
+#
+# Main.
+#
+def main():
+ parser = optparse.OptionParser(usage="usage: %prog [options] component ")
+ parser.add_option("-m", "--hosts", dest="hosts", help="Comma separated hosts list for WEB UI to check it availability")
+ parser.add_option("-p", "--port", dest="port", help="Port of WEB UI to check it availability")
+ parser.add_option("-s", "--https", dest="https", help="\"True\" if value of dfs.http.policy is \"HTTPS_ONLY\"")
+ parser.add_option("-o", "--protocol", dest="protocol", help="Protocol to use when executing https request")
+
+ (options, args) = parser.parse_args()
+
+ hosts = options.hosts.split(',')
+ port = options.port
+ https = options.https
+ protocol = options.protocol
+
+ for host in hosts:
+ httpCode = make_connection(host, port, https.lower() == "true", protocol)
+
+ if httpCode != 200:
+ print "Cannot access WEB UI on: http://" + host + ":" + port if not https.lower() == "true" else "Cannot access WEB UI on: https://" + host + ":" + port
+ exit(1)
+
+if __name__ == "__main__":
+ main()
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/__init__.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/__init__.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/__init__.py
new file mode 100644
index 0000000..35de4bb
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/__init__.py
@@ -0,0 +1,20 @@
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Ambari Agent
+
+"""
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/balancer-emulator/hdfs-command.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/balancer-emulator/hdfs-command.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/balancer-emulator/hdfs-command.py
new file mode 100644
index 0000000..88529b4
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/balancer-emulator/hdfs-command.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+'''
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+'''
+import time
+import sys
+from threading import Thread
+
+
+def write_function(path, handle, interval):
+ with open(path) as f:
+ for line in f:
+ handle.write(line)
+ handle.flush()
+ time.sleep(interval)
+
+thread = Thread(target = write_function, args = ('balancer.out', sys.stdout, 1.5))
+thread.start()
+
+threaderr = Thread(target = write_function, args = ('balancer.err', sys.stderr, 1.5 * 0.023))
+threaderr.start()
+
+thread.join()
+
+
+def rebalancer_out():
+ write_function('balancer.out', sys.stdout)
+
+def rebalancer_err():
+ write_function('balancer.err', sys.stdout)
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode.py
new file mode 100644
index 0000000..79c32e4
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode.py
@@ -0,0 +1,174 @@
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+"""
+import datanode_upgrade
+from hdfs_datanode import datanode
+from resource_management import *
+from resource_management.libraries.functions import conf_select
+from resource_management.libraries.functions import stack_select
+from resource_management.libraries.functions import StackFeature
+from resource_management.libraries.functions.stack_features import check_stack_feature
+from resource_management.libraries.functions.security_commons import build_expectations, \
+ cached_kinit_executor, get_params_from_filesystem, validate_security_config_properties, FILE_TYPE_XML
+from hdfs import hdfs
+from ambari_commons.os_family_impl import OsFamilyImpl
+from ambari_commons import OSConst
+from utils import get_hdfs_binary
+
+class DataNode(Script):
+
+ def get_component_name(self):
+ return "hadoop-hdfs-datanode"
+
+ def get_hdfs_binary(self):
+ """
+ Get the name or path to the hdfs binary depending on the component name.
+ """
+ component_name = self.get_component_name()
+ return get_hdfs_binary(component_name)
+
+
+ def install(self, env):
+ import params
+ env.set_params(params)
+ self.install_packages(env)
+
+ def configure(self, env):
+ import params
+ env.set_params(params)
+ hdfs("datanode")
+ datanode(action="configure")
+
+ def start(self, env, upgrade_type=None):
+ import params
+ env.set_params(params)
+ self.configure(env)
+ datanode(action="start")
+
+ def stop(self, env, upgrade_type=None):
+ import params
+ env.set_params(params)
+ # pre-upgrade steps shutdown the datanode, so there's no need to call
+
+ hdfs_binary = self.get_hdfs_binary()
+ if upgrade_type == "rolling":
+ stopped = datanode_upgrade.pre_rolling_upgrade_shutdown(hdfs_binary)
+ if not stopped:
+ datanode(action="stop")
+ else:
+ datanode(action="stop")
+
+ def status(self, env):
+ import status_params
+ env.set_params(status_params)
+ datanode(action = "status")
+
+
+@OsFamilyImpl(os_family=OsFamilyImpl.DEFAULT)
+class DataNodeDefault(DataNode):
+
+ def pre_upgrade_restart(self, env, upgrade_type=None):
+ Logger.info("Executing DataNode Stack Upgrade pre-restart")
+ import params
+ env.set_params(params)
+ if params.version and check_stack_feature(StackFeature.ROLLING_UPGRADE, params.version):
+ conf_select.select(params.stack_name, "hadoop", params.version)
+ stack_select.select("hadoop-hdfs-datanode", params.version)
+
+ def post_upgrade_restart(self, env, upgrade_type=None):
+ Logger.info("Executing DataNode Stack Upgrade post-restart")
+ import params
+ env.set_params(params)
+ hdfs_binary = self.get_hdfs_binary()
+ # ensure the DataNode has started and rejoined the cluster
+ datanode_upgrade.post_upgrade_check(hdfs_binary)
+
+ def security_status(self, env):
+ import status_params
+
+ env.set_params(status_params)
+ props_value_check = {"hadoop.security.authentication": "kerberos",
+ "hadoop.security.authorization": "true"}
+ props_empty_check = ["hadoop.security.auth_to_local"]
+ props_read_check = None
+ core_site_expectations = build_expectations('core-site', props_value_check, props_empty_check,
+ props_read_check)
+ props_value_check = None
+ props_empty_check = ['dfs.datanode.keytab.file',
+ 'dfs.datanode.kerberos.principal']
+ props_read_check = ['dfs.datanode.keytab.file']
+ hdfs_site_expectations = build_expectations('hdfs-site', props_value_check, props_empty_check,
+ props_read_check)
+
+ hdfs_expectations = {}
+ hdfs_expectations.update(core_site_expectations)
+ hdfs_expectations.update(hdfs_site_expectations)
+
+ security_params = get_params_from_filesystem(status_params.hadoop_conf_dir,
+ {'core-site.xml': FILE_TYPE_XML,
+ 'hdfs-site.xml': FILE_TYPE_XML})
+
+ if 'core-site' in security_params and 'hadoop.security.authentication' in security_params['core-site'] and \
+ security_params['core-site']['hadoop.security.authentication'].lower() == 'kerberos':
+ result_issues = validate_security_config_properties(security_params, hdfs_expectations)
+ if not result_issues: # If all validations passed successfully
+ try:
+ # Double check the dict before calling execute
+ if ('hdfs-site' not in security_params or
+ 'dfs.datanode.keytab.file' not in security_params['hdfs-site'] or
+ 'dfs.datanode.kerberos.principal' not in security_params['hdfs-site']):
+ self.put_structured_out({"securityState": "UNSECURED"})
+ self.put_structured_out(
+ {"securityIssuesFound": "Keytab file or principal are not set property."})
+ return
+
+ cached_kinit_executor(status_params.kinit_path_local,
+ status_params.hdfs_user,
+ security_params['hdfs-site']['dfs.datanode.keytab.file'],
+ security_params['hdfs-site']['dfs.datanode.kerberos.principal'],
+ status_params.hostname,
+ status_params.tmp_dir)
+ self.put_structured_out({"securityState": "SECURED_KERBEROS"})
+ except Exception as e:
+ self.put_structured_out({"securityState": "ERROR"})
+ self.put_structured_out({"securityStateErrorInfo": str(e)})
+ else:
+ issues = []
+ for cf in result_issues:
+ issues.append("Configuration file %s did not pass the validation. Reason: %s" % (cf, result_issues[cf]))
+ self.put_structured_out({"securityIssuesFound": ". ".join(issues)})
+ self.put_structured_out({"securityState": "UNSECURED"})
+ else:
+ self.put_structured_out({"securityState": "UNSECURED"})
+
+ def get_log_folder(self):
+ import params
+ return params.hdfs_log_dir
+
+ def get_user(self):
+ import params
+ return params.hdfs_user
+
+@OsFamilyImpl(os_family=OSConst.WINSRV_FAMILY)
+class DataNodeWindows(DataNode):
+ def install(self, env):
+ import install_params
+ self.install_packages(env)
+
+if __name__ == "__main__":
+ DataNode().execute()
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode_upgrade.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode_upgrade.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode_upgrade.py
new file mode 100644
index 0000000..b55237d
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/datanode_upgrade.py
@@ -0,0 +1,156 @@
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+"""
+import re
+
+from resource_management.core.logger import Logger
+from resource_management.core.exceptions import Fail
+from resource_management.core.resources.system import Execute
+from resource_management.core import shell
+from resource_management.libraries.functions import format
+from resource_management.libraries.functions.decorator import retry
+from resource_management.libraries.functions import check_process_status
+from resource_management.core import ComponentIsNotRunning
+from utils import get_dfsadmin_base_command
+
+
+def pre_rolling_upgrade_shutdown(hdfs_binary):
+ """
+ Runs the "shutdownDatanode {ipc_address} upgrade" command to shutdown the
+ DataNode in preparation for an upgrade. This will then periodically check
+ "getDatanodeInfo" to ensure the DataNode has shutdown correctly.
+ This function will obtain the Kerberos ticket if security is enabled.
+ :param hdfs_binary: name/path of the HDFS binary to use
+ :return: Return True if ran ok (even with errors), and False if need to stop the datanode forcefully.
+ """
+ import params
+
+ Logger.info('DataNode executing "shutdownDatanode" command in preparation for upgrade...')
+ if params.security_enabled:
+ Execute(params.dn_kinit_cmd, user = params.hdfs_user)
+
+ dfsadmin_base_command = get_dfsadmin_base_command(hdfs_binary)
+ command = format('{dfsadmin_base_command} -shutdownDatanode {dfs_dn_ipc_address} upgrade')
+
+ code, output = shell.call(command, user=params.hdfs_user)
+ if code == 0:
+ # verify that the datanode is down
+ _check_datanode_shutdown(hdfs_binary)
+ else:
+ # Due to bug HDFS-7533, DataNode may not always shutdown during stack upgrade, and it is necessary to kill it.
+ if output is not None and re.search("Shutdown already in progress", output):
+ Logger.error("Due to a known issue in DataNode, the command {0} did not work, so will need to shutdown the datanode forcefully.".format(command))
+ return False
+ return True
+
+
+def post_upgrade_check(hdfs_binary):
+ """
+ Verifies that the DataNode has rejoined the cluster. This function will
+ obtain the Kerberos ticket if security is enabled.
+ :param hdfs_binary: name/path of the HDFS binary to use
+ :return:
+ """
+ import params
+
+ Logger.info("Checking that the DataNode has rejoined the cluster after upgrade...")
+ if params.security_enabled:
+ Execute(params.dn_kinit_cmd, user=params.hdfs_user)
+
+ # verify that the datanode has started and rejoined the HDFS cluster
+ _check_datanode_startup(hdfs_binary)
+
+
+def is_datanode_process_running():
+ import params
+ try:
+ check_process_status(params.datanode_pid_file)
+ return True
+ except ComponentIsNotRunning:
+ return False
+
+@retry(times=24, sleep_time=5, err_class=Fail)
+def _check_datanode_shutdown(hdfs_binary):
+ """
+ Checks that a DataNode is down by running "hdfs dfsamin getDatanodeInfo"
+ several times, pausing in between runs. Once the DataNode stops responding
+ this method will return, otherwise it will raise a Fail(...) and retry
+ automatically.
+ The stack defaults for retrying for HDFS are also way too slow for this
+ command; they are set to wait about 45 seconds between client retries. As
+ a result, a single execution of dfsadmin will take 45 seconds to retry and
+ the DataNode may be marked as dead, causing problems with HBase.
+ https://issues.apache.org/jira/browse/HDFS-8510 tracks reducing the
+ times for ipc.client.connect.retry.interval. In the meantime, override them
+ here, but only for RU.
+ :param hdfs_binary: name/path of the HDFS binary to use
+ :return:
+ """
+ import params
+
+ # override stock retry timeouts since after 30 seconds, the datanode is
+ # marked as dead and can affect HBase during RU
+ dfsadmin_base_command = get_dfsadmin_base_command(hdfs_binary)
+ command = format('{dfsadmin_base_command} -D ipc.client.connect.max.retries=5 -D ipc.client.connect.retry.interval=1000 -getDatanodeInfo {dfs_dn_ipc_address}')
+
+ try:
+ Execute(command, user=params.hdfs_user, tries=1)
+ except:
+ Logger.info("DataNode has successfully shutdown for upgrade.")
+ return
+
+ Logger.info("DataNode has not shutdown.")
+ raise Fail('DataNode has not shutdown.')
+
+
+@retry(times=30, sleep_time=30, err_class=Fail) # keep trying for 15 mins
+def _check_datanode_startup(hdfs_binary):
+ """
+ Checks that a DataNode process is running and DataNode is reported as being alive via the
+ "hdfs dfsadmin -fs {namenode_address} -report -live" command. Once the DataNode is found to be
+ alive this method will return, otherwise it will raise a Fail(...) and retry
+ automatically.
+ :param hdfs_binary: name/path of the HDFS binary to use
+ :return:
+ """
+
+ if not is_datanode_process_running():
+ Logger.info("DataNode process is not running")
+ raise Fail("DataNode process is not running")
+
+ import params
+ import socket
+
+ try:
+ dfsadmin_base_command = get_dfsadmin_base_command(hdfs_binary)
+ command = dfsadmin_base_command + ' -report -live'
+ return_code, hdfs_output = shell.call(command, user=params.hdfs_user)
+ except:
+ raise Fail('Unable to determine if the DataNode has started after upgrade.')
+
+ if return_code == 0:
+ hostname = params.hostname.lower()
+ hostname_ip = socket.gethostbyname(params.hostname.lower())
+ if hostname in hdfs_output.lower() or hostname_ip in hdfs_output.lower():
+ Logger.info("DataNode {0} reports that it has rejoined the cluster.".format(params.hostname))
+ return
+ else:
+ raise Fail("DataNode {0} was not found in the list of live DataNodes".format(params.hostname))
+
+ # return_code is not 0, fail
+ raise Fail("Unable to determine if the DataNode has started after upgrade (result code {0})".format(str(return_code)))
http://git-wip-us.apache.org/repos/asf/ambari/blob/8f051fc5/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/hdfs.py
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/hdfs.py b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/hdfs.py
new file mode 100644
index 0000000..1264284
--- /dev/null
+++ b/ambari-server/src/main/resources/stacks/BigInsights/4.2.5/services/HDFS/package/scripts/hdfs.py
@@ -0,0 +1,173 @@
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Ambari Agent
+
+"""
+
+from resource_management import *
+import os
+from ambari_commons.os_family_impl import OsFamilyFuncImpl, OsFamilyImpl
+from ambari_commons import OSConst
+
+@OsFamilyFuncImpl(os_family=OsFamilyImpl.DEFAULT)
+def hdfs(name=None):
+ import params
+
+ if params.create_lib_snappy_symlinks:
+ install_snappy()
+
+ # On some OS this folder could be not exists, so we will create it before pushing there files
+ Directory(params.limits_conf_dir,
+ create_parents = True,
+ owner='root',
+ group='root'
+ )
+
+ File(os.path.join(params.limits_conf_dir, 'hdfs.conf'),
+ owner='root',
+ group='root',
+ mode=0644,
+ content=Template("hdfs.conf.j2")
+ )
+
+ if params.security_enabled:
+ tc_mode = 0644
+ tc_owner = "root"
+ else:
+ tc_mode = None
+ tc_owner = params.hdfs_user
+
+ if "hadoop-policy" in params.config['configurations']:
+ XmlConfig("hadoop-policy.xml",
+ conf_dir=params.hadoop_conf_dir,
+ configurations=params.config['configurations']['hadoop-policy'],
+ configuration_attributes=params.config['configuration_attributes']['hadoop-policy'],
+ owner=params.hdfs_user,
+ group=params.user_group
+ )
+
+ if "ssl-client" in params.config['configurations']:
+ XmlConfig("ssl-client.xml",
+ conf_dir=params.hadoop_conf_dir,
+ configurations=params.config['configurations']['ssl-client'],
+ configuration_attributes=params.config['configuration_attributes']['ssl-client'],
+ owner=params.hdfs_user,
+ group=params.user_group
+ )
+
+ Directory(params.hadoop_conf_secure_dir,
+ create_parents = True,
+ owner='root',
+ group=params.user_group,
+ cd_access='a',
+ )
+
+ XmlConfig("ssl-client.xml",
+ conf_dir=params.hadoop_conf_secure_dir,
+ configurations=params.config['configurations']['ssl-client'],
+ configuration_attributes=params.config['configuration_attributes']['ssl-client'],
+ owner=params.hdfs_user,
+ group=params.user_group
+ )
+
+ if "ssl-server" in params.config['configurations']:
+ XmlConfig("ssl-server.xml",
+ conf_dir=params.hadoop_conf_dir,
+ configurations=params.config['configurations']['ssl-server'],
+ configuration_attributes=params.config['configuration_attributes']['ssl-server'],
+ owner=params.hdfs_user,
+ group=params.user_group
+ )
+
+ XmlConfig("hdfs-site.xml",
+ conf_dir=params.hadoop_conf_dir,
+ configurations=params.config['configurations']['hdfs-site'],
+ configuration_attributes=params.config['configuration_attributes']['hdfs-site'],
+ owner=params.hdfs_user,
+ group=params.user_group
+ )
+
+ XmlConfig("core-site.xml",
+ conf_dir=params.hadoop_conf_dir,
+ configurations=params.config['configurations']['core-site'],
+ configuration_attributes=params.config['configuration_attributes']['core-site'],
+ owner=params.hdfs_user,
+ group=params.user_group,
+ mode=0644
+ )
+
+ File(os.path.join(params.hadoop_conf_dir, 'slaves'),
+ owner=tc_owner,
+ content=Template("slaves.j2")
+ )
+
+ if params.lzo_enabled and len(params.lzo_packages) > 0:
+ Package(params.lzo_packages,
+ retry_on_repo_unavailability=params.agent_stack_retry_on_unavailability,
+ retry_count=params.agent_stack_retry_count)
+
+def install_snappy():
+ import params
+ Directory([params.so_target_dir_x86, params.so_target_dir_x64],
+ create_parents = True,
+ )
+ Link(params.so_target_x86,
+ to=params.so_src_x86,
+ )
+ Link(params.so_target_x64,
+ to=params.so_src_x64,
+ )
+
+@OsFamilyFuncImpl(os_family=OSConst.WINSRV_FAMILY)
+def hdfs(component=None):
+ import params
+ if component == "namenode":
+ directories = params.dfs_name_dir.split(",")
+ Directory(directories,
+ owner=params.hdfs_user,
+ mode="(OI)(CI)F",
+ create_parents = True
+ )
+ File(params.exclude_file_path,
+ content=Template("exclude_hosts_list.j2"),
+ owner=params.hdfs_user,
+ mode="f",
+ )
+ if params.service_map.has_key(component):
+ service_name = params.service_map[component]
+ ServiceConfig(service_name,
+ action="change_user",
+ username=params.hdfs_user,
+ password=Script.get_password(params.hdfs_user))
+
+ if "hadoop-policy" in params.config['configurations']:
+ XmlConfig("hadoop-policy.xml",
+ conf_dir=params.hadoop_conf_dir,
+ configurations=params.config['configurations']['hadoop-policy'],
+ owner=params.hdfs_user,
+ mode="f",
+ configuration_attributes=params.config['configuration_attributes']['hadoop-policy']
+ )
+
+ XmlConfig("hdfs-site.xml",
+ conf_dir=params.hadoop_conf_dir,
+ configurations=params.config['configurations']['hdfs-site'],
+ owner=params.hdfs_user,
+ mode="f",
+ configuration_attributes=params.config['configuration_attributes']['hdfs-site']
+ )