---
# ============LICENSE_START=======================================================
#  Copyright (C) 2019 The Nordix Foundation. 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================
#
- name: Load execution mode variables
  include_vars: "{{ execution_mode }}.yaml"

- block:
  - name: Create directories for helm repositories
    file:
      path: "{{ item.path }}"
      state: "{{ item.state }}"
    loop:
      - {path: "{{ engine_workspace }}/offline/charts/stable", state: absent}
      - {path: "{{ engine_workspace }}/offline/charts/stable", state: directory}
      - {path: "{{ engine_workspace }}/offline/charts/local", state: absent}
      - {path: "{{ engine_workspace }}/offline/charts/local", state: directory}

  - name: Place index.yaml to webserver stable charts repository
    template:
      src: "index.yaml.j2"
      dest: "{{ engine_workspace }}/offline/charts/stable/index.yaml"
      force: true

  - name: Create local repo index (empty initially)
    command: "helm repo index {{ engine_workspace }}/offline/charts/local/"
    creates: "{{ engine_workspace }}/offline/charts/local/index.yaml"
  when: execution_mode == "offline-deployment"

- name: Initialize Helm
  command: helm init --client-only --local-repo-url {{ local_repo_url }} --stable-repo-url {{ stable_repo_url }}
  register: helm_init_result
  changed_when: true
  when: helm_version is version('v3', '<')

- name: Check if stable helm repo exists (helm v3+)
  command: "helm repo list"
  changed_when: true
  failed_when: false
  register: helm_repo_list_result

- name: Add stable helm repo (helm v3+)
  command: "helm repo add stable {{ stable_repo_url }}"
  register: helm_repo_add_stable_result
  changed_when: true
  when: >
    helm_version is version('v3.0.0', '>=')
    and execution_mode == "online-deployment"
    and helm_repo_list_result is not search(stable_repo_url)

- name: Add local helm repo (helm v3+)
  command: "helm repo add local {{ local_repo_url }}"
  register: helm_repo_add_local_result
  changed_when: true
  when: >
    helm_version is version('v3.0.0', '>=')
    and execution_mode == "offline-deployment"
    and helm_repo_list_result is not search(local_repo_url)

- name: Clone Helm Charts repository
  git:
    repo: "{{ helm_charts_git_url }}"
    dest: "{{ engine_cache }}/repos/charts"
    version: "{{ charts_version }}"
    force: true
    recursive: true
  environment:
    http_proxy: "{{ lookup('env','http_proxy') }}"
    https_proxy: "{{ lookup('env','https_proxy') }}"
    no_proxy: "{{ lookup('env','no_proxy') }}"

- name: Generate values.yaml
  template:
    src: "values.yaml.j2"
    dest: "{{ engine_cache }}/repos/charts/stable/spinnaker/values.yaml"
    force: true

- name: Remove previous installations of Spinnaker
  command: >
    helm delete --purge "{{ spinnaker_service }}"
  changed_when: true
  ignore_errors: true
  tags: reset

- name: Remove Spinnaker namespace
  command: >
    kubectl delete ns "{{ spinnaker_namespace }}"
  changed_when: true
  ignore_errors: true
  tags: reset

- name: Create Spinnaker namespace
  k8s:
    state: present
    definition:
      apiVersion: v1
      kind: Namespace
      metadata:
        name: "{{ spinnaker_namespace }}"

- name: Verify Spinnaker Helm charts are available to be deployed
  command: helm search spinnaker -l
  register: helm_search
  changed_when: false

- name: Log Helm chart list to console
  debug:
    msg: "{{ helm_search.stdout_lines }}"

- name: Inform user about Spinnaker deployment
  debug:
    msg: >
      Spinnaker deployment is about to start!
      This takes a while and nothing will be logged to console until the process is completed.

- name: Fetch all helm dependencies for Spinnaker
  command: >
    helm dependency update
      {{ engine_cache }}/repos/charts/stable/spinnaker
  changed_when: true

- name: Install Spinnaker using helm
  command: >
    helm install
      {% if helm_version is version('v3.0.0', '<')%} --name {% endif %}"{{ spinnaker_service }}"
      --namespace "{{ spinnaker_namespace }}"
      --timeout "900{% if helm_version is version('v3.0.0', '>=') %}s{% endif %}"
      {{ engine_cache }}/repos/charts/stable/spinnaker
  register: spinnaker_helm_log
  changed_when: true

- name: Log Spinnaker helm output to console
  debug:
    msg: "{{ spinnaker_helm_log.stdout_lines }}"

# wait 10 minutes for all containers to be started
- name: Wait for all containers to be started
  shell: |
    set -o pipefail
    kubectl get po -n spinnaker | grep ContainerCreating | wc -l
  register: kube
  changed_when:
    kube.stdout  == '0'
  until:
    kube.stdout  == '0'
  retries: 60
  delay: 10

# wait 20 minutes for all containers to be initialized
- block:
    - name: Wait for all containers to be initialized
      shell: |
        set -o pipefail
        kubectl get po -n spinnaker | grep Init | grep -v Error | wc -l
      register: kube
      changed_when:
        kube.stdout  == '0'
      until:
        kube.stdout  == '0'
      retries: 120
      delay: 10
  always:
    - name: Get POD status
      command: kubectl get po -n spinnaker
      changed_when: false
      register: kube

    - name: Log POD status to console
      debug:
        msg: "{{ kube.stdout_lines }}"

    - name: Get summary of Spinnaker deployment
      script: log-spinnaker-status.sh
      register: spinnaker_status

    - name: Log Spinnaker status to console
      debug:
        msg: "{{ spinnaker_status.stdout_lines }}"

# vim: set ts=2 sw=2 expandtab: