# Copyright (c) 2018 Huawei Technologies Co., Ltd. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

---
- name: check for etcd existed
  stat:
    path: "{{ etcd_dir }}/etcd"
  ignore_errors: yes
  register: etcdexisted

- name: download etcd
  get_url:
    url={{ etcd_download_url }}
    dest=/opt/{{ etcd_tarball }}
  when:
    - etcdexisted.stat.exists is undefined or etcdexisted.stat.exists == false

- name: extract the etcd tarball
  unarchive:
    src=/opt/{{ etcd_tarball }}
    dest=/opt/
  when:
    - etcdexisted.stat.exists is undefined or etcdexisted.stat.exists == false

- name: Check if etcd is running
  shell: ps aux | grep etcd | grep -v grep
  ignore_errors: true
  register: service_etcd_status

- name: run etcd daemon service
  shell: nohup ./etcd --advertise-client-urls http://{{ etcd_host }}:{{ etcd_port }} --listen-client-urls http://{{ etcd_host }}:{{ etcd_port }}  --listen-peer-urls http://{{ etcd_host }}:{{ etcd_peer_port }} &>>etcd.log &
  become: true
  args:
    chdir: "{{ etcd_dir }}"
  when: service_etcd_status.rc != 0

- name: check etcd cluster health
  shell: ./etcdctl --endpoints http://{{ etcd_host }}:{{ etcd_port }} cluster-health
  become: true
  ignore_errors: true
  args:
    chdir: "{{ etcd_dir }}"