ansible/roles/spark/tasks/main.yml

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- name: "install spark tarball"
  unarchive: src={{ tarballs_dir }}/{{ spark_tarball }} dest={{ install_dir }} creates={{ spark_home }} copy=yes
- name: "configure spark"
  template: src={{ item }} dest={{ spark_home }}/conf/{{ item }} owner={{ cluster_user }} group={{ cluster_group }}
  with_items:
    - spark-defaults.conf
    - spark-env.sh
- name: "copy spark yarn shuffle jar to hadoop lib"
  command: cp {{ spark_home }}/yarn/spark-{{ spark_version }}-yarn-shuffle.jar {{ hadoop_home }}/share/hadoop/yarn/lib/ creates={{ hadoop_home }}/share/hadoop/yarn/lib/spark-{{ spark_version }}-yarn-shuffle.jar
  when: "'spark' in groups"