ansible/roles/proxy/tasks/download.yml

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- name: "determine best apache mirror to use"
  shell: curl -sk https://apache.org/mirrors.cgi?as_json | grep preferred | cut -d \" -f 4
  args:
    warn: no
  retries: 10
  delay: 10
  register: apache_mirror
  failed_when: "'http' not in apache_mirror.stdout"
  changed_when: False
- name: "download common tarballs to proxy"
  get_url: url={{ item.urlp }}/{{ item.fn }} dest={{ tarballs_dir }}/{{ item.fn }} checksum="{{ item.sum }}" force=no
  register: gresult
  until: "'OK' in gresult.msg or 'file already exists' in gresult.msg"
  retries: 3
  with_items:
    - { urlp: "{{ apache_mirror.stdout }}/zookeeper/zookeeper-{{ zookeeper_version }}", fn: "{{ zookeeper_tarball }}", sum: "{{ zookeeper_checksum }}" }
    - { urlp: "{{ apache_mirror.stdout }}/hadoop/common/hadoop-{{ hadoop_version }}", fn: "{{ hadoop_tarball }}", sum: "{{ hadoop_checksum }}" }
    - { urlp: "{{ apache_mirror.stdout }}/maven/maven-3/{{ maven_version }}/binaries", fn: "{{ maven_tarball }}", sum: "{{ maven_checksum }}" }
    - { urlp: "https://github.com/github/hub/releases/download/v{{ hub_version }}", fn: "{{ hub_tarball }}", sum: "{{ hub_checksum }}" }

# This is currently needed to run hadoop with Java 11 (see https://github.com/apache/fluo-muchos/issues/266)      
- name: "Download javax.activation-api for Hadoop 3 when Java 11 is used"
  maven_artifact:
   group_id: javax.activation
   artifact_id: javax.activation-api
   version: 1.2.0
   dest: "{{ user_home }}/mvn_dep/"
   mode: 0644
  when: hadoop_major_version == '3' and java_product_version == 11