---

  - name: Copy hosts file.
    template: src=hosts.j2 dest=/etc/hosts backup=no owner=root group=lambda mode=0750

  - name: Upgrade packages.
    apt: upgrade=dist update_cache=yes

  - name: Install the latest Java 7.
    apt: name=openjdk-7-jdk state=latest install_recommends=no update_cache=yes

  - name: Copy environment file.
    template: src=environment.j2 dest=/etc/environment backup=no owner=root group=lambda mode=0750

  - name: Install sudo.
    apt: name=sudo state=latest

  - name: Add hduser to sudo group.
    user: name=hduser group=sudo

  - name: Add flink user to sudo group.
    user: name=flink group=sudo

  - name: Add kafka user to sudo group.
    user: name=kafka group=sudo