---
- name: Setup public and private IP variables
  set_fact:
    public_ip: "{{ ansible_host }}"
    private_ip: "{{ hostvars[ansible_host].inter_ip }}"

- name: Setup service path variables for coreos
  set_fact:
    service_path: "/etc/systemd/system/"
  when: app_env.target_os == "coreos"

- name: Setup service path variables for ubuntu
  set_fact:
    service_path: "/lib/systemd/system/"
  when: app_env.target_os == "ubuntu"

- name: Install etcd
  apt:
    name: etcd
    update_cache: no
  when: app_env.target_os == "ubuntu"

- name: Download flannel package
  get_url:
    url: "{{ app_env.flannel_repo }}"
    dest: /opt/bin/flanneld.tar.gz
    force: no

- name: Unpack flannel binaries
  unarchive:
    src: /opt/bin/flanneld.tar.gz
    dest: /opt/bin
    exclude:
      - README.me
      - mk-docker-opts.sh
    copy: no

- name: List all k8s binaries on the node
  stat: "path=/opt/bin/{{ item }}"
  with_items:
    - kubelet
    - kubectl
    - kube-proxy
    - kube-apiserver
    - kube-controller-manager
    - kube-scheduler
  register: k8s_binaries

- name: Download k8s binary files if they are not already on the master node
  get_url:
    url: "{{ app_env.k8s_repo }}{{ item.item }}"
    dest: "/opt/bin/{{ item.item }}"
    mode: "0555"
  with_items: "{{ k8s_binaries.results }}"
  when: item.stat.exists == false
  no_log: True

- name: Config services
  template:
    src: "roles/master/templates/etcd.{{ app_env.target_os }}.j2"
    dest: "{{ service_path }}etcd.service"
    mode: 0644

- name: Reload services
  command: systemctl daemon-reload

- name: Enable and start etcd services
  service:
    name: "etcd"
    enabled: yes
    state: restarted

- name: Reset etcd
  uri:
    url: "http://{{ private_ip }}:2379/v2/keys/{{ item }}?recursive=true"
    method: DELETE
    status_code: 200,202,204,404
  with_items:
    - coreos.com
    - registry

- name: Initialize the flanneld configuration in etcd
  uri:
    url: http://{{ private_ip }}:2379/v2/keys/coreos.com/network/config
    method: PUT
    body: >-
      value={{ app_env.pod_network | to_nice_json(indent=2) }}
    status_code: 200,201

- name: Setup service parameters
  set_fact:
    apiserver_params: >-
      --etcd-servers=http://{{ private_ip }}:2379
      --service-cluster-ip-range={{ app_env.service_ip_range }}
      --advertise-address={{ public_ip }}
      --bind-address={{ private_ip }}
      --insecure-bind-address={{ private_ip }}
    controller_params: >-
      --master=http://{{ private_ip }}:8080
      --cluster-cidr={{ app_env.pod_network.Network }}
      --cluster-name=k8sonos
    scheduler_params: >-
      --master=http://{{ private_ip }}:8080

- name: Configure the services
  template:
    src: roles/common/templates/k8s.conf.j2
    dest: "/etc/kubernetes/{{ item.name }}"
    mode: 0644
  with_items:
    - { name: "kube-apiserver", value: "{{ apiserver_params }}" }
    - { name: "kube-controller-manager", value: "{{ controller_params }}" }
    - { name: "kube-scheduler", value: "{{ scheduler_params }}"}

- name: Setup services for master node
  template:
    src: "roles/common/templates/k8s.service.j2"
    dest: "{{ service_path }}{{ item }}.service"
    mode: 0644
  with_items:
    - kube-apiserver
    - kube-controller-manager
    - kube-scheduler

- name: Enable and start the services
  service:
    name: "{{ item }}"
    enabled: yes
    state: restarted
  with_items:
    - kube-apiserver
    - kube-controller-manager
    - kube-scheduler