common role in order to support other linux distribs

roles/common/tasks/calico.yml

@@ -1,27 +0,0 @@
----
-- 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] }}"
-
-
-- name: Download calico-kubernetes-plugin
-  local_action: get_url
-    url="{{calico_plugin_download_url}}"
-    dest="{{ local_release_dir }}/calico/bin/calico"

roles/common/tasks/download.yml

@@ -1,4 +1,31 @@
 ---
+- 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] }}"
+
+
+- name: Download calico-kubernetes-plugin
+  local_action: get_url
+    url="{{calico_plugin_download_url}}"
+    dest="{{ local_release_dir }}/calico/bin/calico"
+
 - name: Create flannel release directory
   local_action: file
      path={{ local_release_dir }}/flannel
@@ -37,3 +64,20 @@
   local_action: file
      path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }} state=absent
   when: dl_flannel|changed
+
+- name: Create kubernetes binary directory
+  local_action: file
+     path="{{ local_release_dir }}/kubernetes/bin"
+     state=directory
+     recurse=yes
+
+- name: Download kubelet and kubectl
+  local_action: get_url
+    url="{{ kube_download_url }}/{{ item.name }}"
+    dest="{{ local_release_dir }}/kubernetes/bin"
+    sha256sum="{{ item.checksum }}"
+  with_items:
+    - name: kubelet
+      checksum: "{{ kubelet_checksum }}"
+    - name: kubectl
+      checksum: "{{ kubectl_checksum }}"

roles/common/tasks/kubernetes.yml

@@ -1,17 +0,0 @@
----
-- name: Create kubernetes binary directory
-  local_action: file
-     path="{{ local_release_dir }}/kubernetes/bin"
-     state=directory
-     recurse=yes
-
-- name: Download kubelet and kubectl
-  local_action: get_url
-    url="{{ kube_download_url }}/{{ item.name }}"
-    dest="{{ local_release_dir }}/kubernetes/bin"
-    sha256sum="{{ item.checksum }}"
-  with_items:
-    - name: kubelet
-      checksum: "{{ kubelet_checksum }}"
-    - name: kubectl
-      checksum: "{{ kubectl_checksum }}"

roles/common/tasks/main.yml

@@ -3,10 +3,24 @@
   delegate_to: localhost
   when: inventory_hostname == "{{ groups['kube-master'][0] }}"
 
-- include: pip-bootstrap.yml
+- name: "Identify init system"
+  shell: >
+    if $(pgrep systemd > /dev/null); then
+      echo systemd;
+      else echo sysvinit;
+    fi
+  always_run: True
+  register: init_system_output
 
-- name: Install httplib2 python module
-  pip:
-    executable: "{{ ansible_user_dir }}/bin/pip"
+- set_fact:
+    init_system: "{{ init_system_output.stdout }}"
+
+- name: Install debian packages requirements
+  apt:
     name: "{{ item }}"
-  with_items: pip_python_modules
+    state: latest
+  when: ansible_os_family == "Debian"
+  with_items: req_debian_pkg
+
+- include: python-bootstrap.yml
+  when: ansible_os_family not in [ "Debian", "RedHat" ]

roles/common/tasks/python-bootstrap.yml

@@ -0,0 +1,41 @@
+---
+- name: Python | Check if bootstrap is needed
+  raw: stat {{ bin_dir}}/.bootstrapped
+  register: need_bootstrap
+  ignore_errors: True
+
+- name: Python | Run bootstrap.sh
+  script: bootstrap.sh
+  when: need_bootstrap | failed
+
+- set_fact:
+    ansible_python_interpreter: "{{ bin_dir }}/python"
+
+- name: Python | Check if we need to install pip
+  shell: "{{ansible_python_interpreter}} -m pip --version"
+  register: need_pip
+  ignore_errors: True
+  changed_when: false
+  when: need_bootstrap | failed
+
+- name: Python | Copy get-pip.py
+  copy: src=get-pip.py dest=~/get-pip.py
+  when: need_pip | failed
+
+- name: Python | Install pip
+  shell: "{{ansible_python_interpreter}} ~/get-pip.py"
+  when: need_pip | failed
+
+- name: Python | Remove get-pip.py
+  file: path=~/get-pip.py state=absent
+  when: need_pip | failed
+
+- name: Python | Install pip launcher
+  copy: src=runner dest={{ bin_dir }}/pip mode=0755
+  when: need_pip | failed
+
+- name: Install required python modules
+  pip:
+    name: "{{ item }}"
+  with_items: pip_python_modules
+