---
- name: Wait for the first namenode before doing anything
  wait_for: host={{ hostvars[groups['hdfs_primary_master'][0]].ipv4_address|default(hostvars[groups['hdfs_primary_master'][0]].ansible_default_ipv4.address) }} port={{ hdfs_nn_http_port }}
  tags:
    - hadoop
    - hdfs

- name: Bootstrap the second namenode
  become: True
  become_user: hdfs
  command: hdfs namenode -bootstrapStandby
  tags:
    - hadoop
    - hdfs