Initial commit

roles/download/defaults/main.yml

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+---
+etcd_download_url: https://github.com/coreos/etcd/releases/download
+flannel_download_url: https://github.com/coreos/flannel/releases/download
+kube_download_url: https://github.com/GoogleCloudPlatform/kubernetes/releases/download
+calico_download_url: https://github.com/Metaswitch/calico-docker/releases/download

roles/download/tasks/calico.yml

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+---
+- name: Create calico release directory
+  local_action: file
+     path={{ local_release_dir }}/calico/bin
+     recurse=yes
+     state=directory
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Check if calicoctl has been downloaded
+  local_action: stat
+     path={{ local_release_dir }}/calico/bin/calicoctl
+  register: c_tar
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+# issues with get_url module and redirects, to be tested again in the near future
+- name: Download calico
+  local_action: shell
+    curl -o {{ local_release_dir }}/calico/bin/calicoctl -Ls {{ calico_download_url }}/{{ calico_version }}/calicoctl
+  when: not c_tar.stat.exists
+  register: dl_calico
+  delegate_to: "{{ groups['kube-master'][0] }}"

roles/download/tasks/etcd.yml

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+---
+- name: Create etcd release directory
+  local_action: file
+     path={{ local_release_dir }}/etcd/bin
+     recurse=yes
+     state=directory
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Check if etcd release archive has been downloaded
+  local_action: stat
+     path={{ local_release_dir }}/etcd/etcd-{{ etcd_version }}-linux-amd64.tar.gz
+  register: e_tar
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+# issues with get_url module and redirects, to be tested again in the near future
+- name: Download etcd
+  local_action: shell
+    curl -o {{ local_release_dir }}/etcd/etcd-{{ etcd_version }}-linux-amd64.tar.gz -Ls {{ etcd_download_url }}/{{ etcd_version }}/etcd-{{ etcd_version }}-linux-amd64.tar.gz
+  when: not e_tar.stat.exists
+  register: dl_etcd
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Extract etcd archive
+  local_action: unarchive
+     src={{ local_release_dir }}/etcd/etcd-{{ etcd_version }}-linux-amd64.tar.gz
+     dest={{ local_release_dir }}/etcd copy=no
+  when: dl_etcd|changed
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Pick up only etcd binaries
+  local_action: copy
+     src={{ local_release_dir }}/etcd/etcd-{{ etcd_version }}-linux-amd64/{{ item }}
+     dest={{ local_release_dir }}/etcd/bin
+  with_items:
+    - etcdctl
+    - etcd
+  when: dl_etcd|changed
+
+- name: Delete unused etcd files
+  local_action: file
+     path={{ local_release_dir }}/etcd/etcd-{{ etcd_version }}-linux-amd64 state=absent
+  when: dl_etcd|changed

roles/download/tasks/flannel.yml

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+---
+- name: Create flannel release directory
+  local_action: file
+     path={{ local_release_dir }}/flannel
+     recurse=yes
+     state=directory
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Check if flannel release archive has been downloaded
+  local_action: stat
+     path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz
+  register: f_tar
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+# issues with get_url module and redirects, to be tested again in the near future
+- name: Download flannel
+  local_action: shell
+    curl -o {{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz -Ls {{ flannel_download_url }}/v{{ flannel_version }}/flannel-{{ flannel_version }}-linux-amd64.tar.gz
+  when: not f_tar.stat.exists
+  register: dl_flannel
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Extract flannel archive
+  local_action: unarchive
+     src={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz
+     dest={{ local_release_dir }}/flannel copy=no
+  when: dl_flannel|changed
+  delegate_to: "{{ groups['kube-master'][0] }}"
+
+- name: Pick up only flannel binaries
+  local_action: copy
+     src={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}/flanneld
+     dest={{ local_release_dir }}/flannel/bin
+  when: dl_flannel|changed
+
+- name: Delete unused flannel files
+  local_action: file
+     path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }} state=absent
+  when: dl_flannel|changed

roles/download/tasks/kubernetes.yml

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+---
+- 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

roles/download/tasks/main.yml

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+---
+- include: kubernetes.yml
+- include: etcd.yml
+- include: calico.yml
+- include: flannel.yml

roles/download/vars/main.yml

@@ -0,0 +1,8 @@
+---
+etcd_version: v2.2.0
+flannel_version: 0.5.3
+
+kube_version: v1.0.6
+kube_sha1: 289f9a11ea2f3cfcc6cbd50d29c3d16d4978b76c
+
+calico_version: v0.5.1