#!/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 functools
import os

from ambari_commons.os_check import OSCheck
from resource_management.libraries.functions import conf_select
from resource_management.libraries.functions import format
from resource_management.libraries.functions import get_kinit_path
from resource_management.libraries.functions import stack_select
from resource_management.libraries.functions.default import default
from resource_management.libraries.functions.get_not_managed_resources import get_not_managed_resources
from resource_management.libraries.functions.is_empty import is_empty
from resource_management.libraries.resources.hdfs_resource import HdfsResource
from resource_management.libraries.script import Script

import status_params

# server configurations
config = Script.get_config()
tmp_dir = Script.get_tmp_dir()

hostname = config['hostname']
metron_home = status_params.metron_home
parsers = status_params.parsers
metron_ddl_dir = metron_home + '/ddl'
geoip_ddl = metron_ddl_dir + '/geoip_ddl.sql'
geoip_url = config['configurations']['metron-env']['geoip_url']
metron_indexing_topology = status_params.metron_indexing_topology
metron_user = config['configurations']['metron-env']['metron_user']
metron_group = config['configurations']['metron-env']['metron_group']
metron_config_path = metron_home + '/config'
metron_zookeeper_config_dir = status_params.metron_zookeeper_config_dir
metron_zookeeper_config_path = status_params.metron_zookeeper_config_path
parsers_configured_flag_file = status_params.parsers_configured_flag_file
enrichment_configured_flag_file = status_params.enrichment_configured_flag_file
indexing_configured_flag_file = status_params.indexing_configured_flag_file
global_json_template = config['configurations']['metron-env']['global-json']
global_properties_template = config['configurations']['metron-env']['elasticsearch-properties']
es_cluster_name = config['configurations']['metron-env']['es_cluster_name']
es_url = config['configurations']['metron-env']['es_url']
yum_repo_type = 'local'

# hadoop params
stack_root = Script.get_stack_root()
hadoop_home_dir = stack_select.get_hadoop_dir("home")
hadoop_bin_dir = stack_select.get_hadoop_dir("bin")
hadoop_conf_dir = conf_select.get_hadoop_conf_dir()
kafka_home = os.path.join(stack_root, "current", "kafka-broker")
kafka_bin_dir = os.path.join(kafka_home, "bin")

# zookeeper
zk_hosts = default("/clusterHostInfo/zookeeper_hosts", [])
has_zk_host = not len(zk_hosts) == 0
zookeeper_quorum = None
if has_zk_host:
    if 'zoo.cfg' in config['configurations'] and 'clientPort' in config['configurations']['zoo.cfg']:
        zookeeper_clientPort = config['configurations']['zoo.cfg']['clientPort']
    else:
        zookeeper_clientPort = '2181'
    zookeeper_quorum = (':' + zookeeper_clientPort + ',').join(config['clusterHostInfo']['zookeeper_hosts'])
    # last port config
    zookeeper_quorum += ':' + zookeeper_clientPort

# Storm
storm_rest_addr = status_params.storm_rest_addr

# Kafka
kafka_hosts = default("/clusterHostInfo/kafka_broker_hosts", [])
has_kafka_host = not len(kafka_hosts) == 0
kafka_brokers = None
if has_kafka_host:
    if 'port' in config['configurations']['kafka-broker']:
        kafka_broker_port = config['configurations']['kafka-broker']['port']
    else:
        kafka_broker_port = '6667'
    kafka_brokers = (':' + kafka_broker_port + ',').join(config['clusterHostInfo']['kafka_broker_hosts'])
    kafka_brokers += ':' + kafka_broker_port

metron_apps_dir = config['configurations']['metron-env']['metron_apps_hdfs_dir']
metron_topic_retention = config['configurations']['metron-env']['metron_topic_retention']

local_grok_patterns_dir = format("{metron_home}/patterns")
hdfs_grok_patterns_dir = format("{metron_apps_dir}/patterns")

# for create_hdfs_directory
security_enabled = config['configurations']['cluster-env']['security_enabled']
hdfs_user_keytab = config['configurations']['hadoop-env']['hdfs_user_keytab']
hdfs_user = config['configurations']['hadoop-env']['hdfs_user']
hdfs_principal_name = config['configurations']['hadoop-env']['hdfs_principal_name']
smokeuser_principal = config['configurations']['cluster-env']['smokeuser_principal_name']
kinit_path_local = get_kinit_path(default('/configurations/kerberos-env/executable_search_paths', None))
hdfs_site = config['configurations']['hdfs-site']
default_fs = config['configurations']['core-site']['fs.defaultFS']
dfs_type = default("/commandParams/dfs_type", "")

# MYSQL
if OSCheck.is_ubuntu_family():
    mysql_configname = '/etc/mysql/my.cnf'
else:
    mysql_configname = '/etc/my.cnf'

daemon_name = status_params.daemon_name
# There will always be exactly one mysql_host
mysql_host = config['clusterHostInfo']['metron_enrichment_mysql_server_hosts'][0]
mysql_port = config['configurations']['metron-env']['metron_enrichment_db_port']

mysql_adduser_path = tmp_dir + "/addMysqlUser.sh"
mysql_deluser_path = tmp_dir + "/removeMysqlUser.sh"
mysql_create_geoip_path = tmp_dir + "/createMysqlGeoIp.sh"

enrichment_hosts = default("/clusterHostInfo/enrichment_host", [])
enrichment_host = enrichment_hosts[0] if len(enrichment_hosts) > 0 else None

enrichment_metron_user = config['configurations']['metron-env']['metron_enrichment_db_user']
enrichment_metron_user_passwd = config['configurations']['metron-env']['metron_enrichment_db_password']
enrichment_metron_user_passwd = unicode(enrichment_metron_user_passwd) if not is_empty(
    enrichment_metron_user_passwd) else enrichment_metron_user_passwd
mysql_process_name = status_params.mysql_process_name

# create partial functions with common arguments for every HdfsResource call
# to create/delete hdfs directory/file/copyfromlocal we need to call params.HdfsResource in code
HdfsResource = functools.partial(
    HdfsResource,
    user=hdfs_user,
    hdfs_resource_ignore_file="/var/lib/ambari-agent/data/.hdfs_resource_ignore",
    security_enabled=security_enabled,
    keytab=hdfs_user_keytab,
    kinit_path_local=kinit_path_local,
    hadoop_bin_dir=hadoop_bin_dir,
    hadoop_conf_dir=hadoop_conf_dir,
    principal_name=hdfs_principal_name,
    hdfs_site=hdfs_site,
    default_fs=default_fs,
    immutable_paths=get_not_managed_resources(),
    dfs_type=dfs_type
)

# HBase
enrichment_table = status_params.enrichment_table
enrichment_cf = status_params.enrichment_cf
threatintel_table = status_params.threatintel_table
threatintel_cf = status_params.threatintel_cf

metron_enrichment_topology = status_params.metron_enrichment_topology
metron_enrichment_topic = status_params.metron_enrichment_topic

# ES Templates
bro_index_path = tmp_dir + "/bro_index.template"
snort_index_path = tmp_dir + "/snort_index.template"
yaf_index_path = tmp_dir + "/yaf_index.template"