kubespray/roles/download/tasks/kubernetes.yml

---
- name: Create kubernetes release directory
  local_action: file
     path={{ local_release_dir }}/kubernetes
     state=directory

- name: Check if kubernetes release archive has been downloaded
  local_action: stat
     path={{ local_release_dir }}/kubernetes/kubernetes.tar.gz
  register: k_tar

# issues with get_url module and redirects, to be tested again in the near future
- name: Download kubernetes
  local_action: shell
    curl -o {{ local_release_dir }}/kubernetes/kubernetes.tar.gz -Ls {{ kube_download_url }}/{{ kube_version }}/kubernetes.tar.gz
  when: not k_tar.stat.exists or k_tar.stat.checksum != "{{ kube_sha1 }}"
  register: dl_kube

- name: Compare kubernetes archive checksum
  local_action: stat
     path={{ local_release_dir }}/kubernetes/kubernetes.tar.gz
  register: k_tar
  failed_when: k_tar.stat.checksum != "{{ kube_sha1 }}"
  when: dl_kube|changed

- name: Extract kubernetes archive
  local_action: unarchive
     src={{ local_release_dir }}/kubernetes/kubernetes.tar.gz
     dest={{ local_release_dir }}/kubernetes copy=no
  when: dl_kube|changed

- name: Extract kubernetes binaries archive
  local_action: unarchive
     src={{ local_release_dir }}/kubernetes/kubernetes/server/kubernetes-server-linux-amd64.tar.gz
     dest={{ local_release_dir }}/kubernetes copy=no
  when: dl_kube|changed

- name: Pick up only kubernetes binaries
  local_action: synchronize
     src={{ local_release_dir }}/kubernetes/kubernetes/server/bin
     dest={{ local_release_dir }}/kubernetes
  when: dl_kube|changed

- name: Delete unused kubernetes files
  local_action: file
     path={{ local_release_dir }}/kubernetes/kubernetes state=absent
  when: dl_kube|changed