Ansible playbook for installing Oracle Java 7 on Debian

install-java.yml

# Ansible playbook to install Java 7 on Debian
#
# Thanks to http://www.sysadminslife.com/linux/howto-oracle-sun-java-7-installation-unter-debian-6-squeeze/
#
# Author: Gabriel Birke <gb@birke-software.de>

- hosts: devroot
  vars:
    java_download: http://download.oracle.com/otn-pub/java/jdk/7u45-b18/jdk-7u45-linux-x64.tar.gz
    java_name: jdk1.7.0_45
    download_folder: /usr/src
    java_archive: "{{download_folder}}/{{java_name}}.tar.gz"
    java_folder: /usr/lib/jvm
    java_alias: java-7-oracle
  tasks:

  - name: Install wget
    apt: pkg=wget

  - name: Download Java
    command: 'wget -q -O {{java_archive}} --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F" {{java_download}} creates={{java_archive}}' 

  - name: Extract Java archive
    command: "tar -xzf {{java_archive}} -C {{download_folder}} creates={{download_folder}}/{{java_name}}"

  - name: Fix ownership 
    file: "state=directory path={{download_folder}}/{{java_name}} owner=root group=root recurse=yes"

  - name: Create Java folder
    file: "state=directory path={{java_folder}}"

  - name: Move Java to final folder
    command: "mv {{download_folder}}/{{java_name}} {{java_folder}} creates={{java_folder}}/{{java_name}}"

  - name: Create symlink for easier update
    file: "state=link src={{java_folder}}/{{java_name}} dest={{java_folder}}/{{java_alias}}"

  - name: Make Java available for system
    command: 'update-alternatives --install "/usr/bin/java" "java" "{{java_folder}}/{{java_alias}}/bin/java" 1'

The "Download Java" task only downloads some broken tar.gz file which cannot be unpacked.