#
### 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.
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###
##
- name: Check if NameNode is running
  shell: jps | grep " NameNode" | grep -v grep
  ignore_errors: yes
  changed_when: false
  register: namenode_status
- name: "bootstrap standby"
  command: "nohup {{ hadoop_home }}/bin/hdfs namenode -bootstrapStandby -force"
  when: namenode_status.rc == 1                                                                                                                                               
- name: "start namenode"
  command: "nohup {{ hadoop_home }}/sbin/hadoop-daemon.sh start namenode"
  when: namenode_status.rc == 1