---
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

- import_playbook: preconfigure-cmk.yml
- hosts: localhost
  pre_tasks:
    - name: Load kud variables
      include_vars:
        file: kud-vars.yml
  vars:
    cmk_install_host: '{{ inventory_hostname }}'

  tasks:
    - name: build list of CMK nodes to untaint
      set_fact:
        cmk_hosts_list: "{{ groups['kube-node'] }}"

    - name: generate CMK install yaml file
      command: "cp {{ playbook_dir }}/../images/cmk.yaml {{ playbook_dir }}/../images/cmk-{{ cmk_install_host }}.yaml"

    - name: customize CMK install yaml file per runtime env
      lineinfile:
        dest: "{{ playbook_dir }}/../images/cmk-{{ cmk_install_host }}.yaml"
        insertafter: "nodeSelectorTerms:"
        line: "            - matchFields:\n              - key: metadata.name\n                operator: In\n                values:\n                - '{{ item }}'"
      register: cus_result
      with_items:
        - "{{ cmk_hosts_list }}"

    - name: prepare CMK CPU cores per config file
      replace:
        dest: "{{ playbook_dir }}/../images/cmk-{{ cmk_install_host }}.yaml"
        regexp: '{{ item.pool }}=0'
        replace: '{{ item.pool }}={{ item.cores }}'
      with_items:
        - { pool: 'num-shared-cores', cores: '{{ cmk_shared_num_cores }}' }
        - { pool: 'num-exclusive-cores', cores: '{{ cmk_exclusive_num_cores }}' }

    - name: install CMK components
      command: "/usr/local/bin/kubectl create -f {{ playbook_dir }}/../images/cmk-{{ cmk_install_host }}.yaml"

    - name: wait for all cmk daemonset pods to be running
      shell: kubectl get pods -n {{ cmk_namespace }} -l name=cmk -o jsonpath={.items[*].status.phase}
      register: kubectl_cmk_running
      until: "['Running'] == kubectl_cmk_running.stdout.split() | unique"
      retries: 50
      delay: 5
      failed_when: false

    - name: create a script to check CMK setup
      copy:
        dest: "./cmk-check.sh"
        content: |
            #!/bin/bash
            echo
            echo "waiting for cmk-nodereport effective"
              status=0
              while [ $status -ne 1 ]; do
                 status=$(kubectl get cmk-nodereport | grep ENV | wc -l)
                 sleep 1
                 echo not found
              done
            echo "cmk-nodereport is effective"

    - name: judge the runtime environment
      set_fact:
        cmk_runtime_env: "{{ groups['kube-node'][0] }}"
    - debug:
        var: cmk_runtime_env

    - name: prepare cmk check file
      replace:
        dest: "./cmk-check.sh"
        regexp: 'ENV'
        replace: '{{ cmk_runtime_env }}'

    - name: Changing perm of "sh", adding "+x"
      shell: "chmod +x cmk-check.sh"
      args:
        warn: false

    - name: Run the script and re-evaluate the variable.
      command: "./cmk-check.sh"

    - name: Clean the script and folder.
      file:
        path: ./cmk-check.sh
        state: absent

    - name: untaint nodes
      command: kubectl taint node "{{ item }}" cmk-
      failed_when: false
      register: untaint_result
      changed_when: "untaint_result.rc == 0"
      when:
        - cmk_untaint_required
      with_items:
        - "{{ cmk_hosts_list }}"
    - debug:
        var: untaint_result