AMBARI-5176. Remove code for HA mode where it is unuseful. (from hooks and params.pp in stack 1.3.2).(vbrodetskyi)

ambari-server/src/main/resources/stacks/HDP/1.3.2/hooks/before-START/scripts/params.py

@@ -144,22 +144,6 @@ mapred_local_dir = "/tmp/hadoop-mapred/mapred/local"
 
 yarn_log_dir_prefix = default("yarn_log_dir_prefix","/var/log/hadoop-yarn")
 
-#hdfs ha properties
-dfs_ha_enabled = False
-dfs_ha_nameservices = default("/configurations/hdfs-site/dfs.nameservices", None)
-dfs_ha_namenode_ids = default(format("hdfs-site/dfs.ha.namenodes.{dfs_ha_nameservices}"), None)
-if dfs_ha_namenode_ids:
-  dfs_ha_namenode_ids_array_len = len(dfs_ha_namenode_ids.split(","))
-  if dfs_ha_namenode_ids_array_len > 1:
-    dfs_ha_enabled = True
-
-if dfs_ha_enabled:
-  for nn_id in dfs_ha_namenode_ids:
-    nn_host = config['configurations']['hdfs-site'][format('dfs.namenode.rpc-address.{dfs_ha_nameservices}.{nn_id}')]
-    if hostname in nn_host:
-      namenode_id = nn_id
-  namenode_id = None
-
 dfs_hosts = default('/configurations/hdfs-site/dfs.hosts', None)
 
 #log4j.properties

ambari-server/src/main/resources/stacks/HDP/1.3.2/services/NAGIOS/package/scripts/params.py

@@ -85,14 +85,6 @@ security_enabled = ( not is_empty(_authentication) and _authentication == 'kerbe
 nagios_keytab_path = default("nagios_keytab_path", "/etc/security/keytabs/nagios.service.keytab")
 kinit_path_local = functions.get_kinit_path([default("kinit_path_local",None), "/usr/bin", "/usr/kerberos/bin", "/usr/sbin"])
 
-dfs_ha_enabled = False
-dfs_ha_nameservices = default("/configurations/hdfs-site/dfs.nameservices", None)
-dfs_ha_namenode_ids = default(format("hdfs-site/dfs.ha.namenodes.{dfs_ha_nameservices}"), None)
-if dfs_ha_namenode_ids:
-  dfs_ha_namenode_ids_array_len = len(dfs_ha_namenode_ids.split(","))
-  if dfs_ha_namenode_ids_array_len > 1:
-    dfs_ha_enabled = True
-
 ganglia_port = "8651"
 ganglia_collector_slaves_port = "8660"
 ganglia_collector_namenode_port = "8661"

ambari-server/src/main/resources/stacks/HDP/1.3.2/services/NAGIOS/package/templates/hadoop-services.cfg.j2

@@ -538,18 +538,6 @@ define service {
         max_check_attempts      3
 }
 
-{% if dfs_ha_enabled %}
-define service {
-        hostgroup_name          nagios-server
-        use                     hadoop-service
-        service_description     HDFS::Percent JournalNodes live
-        servicegroups           HDFS
-        check_command           check_aggregate!"JOURNALNODE::JournalNode process"!33%!50%
-        normal_check_interval   0.5
-        retry_check_interval    0.25
-        max_check_attempts      3
-}
-{% endif %}
 {% endif %}
 
 {% if hostgroup_defs['slaves'] %}

ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-START/scripts/params.py

@@ -146,22 +146,6 @@ mapred_local_dir = "/tmp/hadoop-mapred/mapred/local"
 
 yarn_log_dir_prefix = default("yarn_log_dir_prefix","/var/log/hadoop-yarn")
 
-#hdfs ha properties
-dfs_ha_enabled = False
-dfs_ha_nameservices = default("/configurations/hdfs-site/dfs.nameservices", None)
-dfs_ha_namenode_ids = default(format("hdfs-site/dfs.ha.namenodes.{dfs_ha_nameservices}"), None)
-if dfs_ha_namenode_ids:
-  dfs_ha_namenode_ids_array_len = len(dfs_ha_namenode_ids.split(","))
-  if dfs_ha_namenode_ids_array_len > 1:
-    dfs_ha_enabled = True
-
-if dfs_ha_enabled:
-  for nn_id in dfs_ha_namenode_ids:
-    nn_host = config['configurations']['hdfs-site'][format('dfs.namenode.rpc-address.{dfs_ha_nameservices}.{nn_id}')]
-    if hostname in nn_host:
-      namenode_id = nn_id
-  namenode_id = None
-
 dfs_hosts = default('/configurations/hdfs-site/dfs.hosts', None)
 
 #log4j.properties