---
- name: Create the 'supergroup' user group
  group: name={{ hdfs_users_supergroup }} state=present
  tags:
    - hadoop
    - hdfs

- name: Create the /data/dfs directory on the NN filesystem
  file: path={{ hdfs_data_dir }} owner=root group=root state=directory
  tags:
    - hadoop
    - hdfs

- name: Create the /data/dfs/nn directory on the NN filesystem
  file: path={{ hdfs_data_dir }}/{{ hdfs_nn_data_dir }} owner=hdfs group=hdfs state=directory
  tags:
    - hadoop
    - hdfs