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# Copyright (c) 2017 Intel Corporation.
#
# 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.
---
- hosts: localhost

  vars:
    boot_modes:
      'amd64': disk1
      'arm64': uefi1
    boot_mode: "{{ boot_modes[YARD_IMG_ARCH] }}"
    image_filename: "{{ release }}-server-cloudimg-{{ YARD_IMG_ARCH }}-{{ boot_mode }}.img"
    image_path: "{{ release }}/current/{{ image_filename }}"
    host: "{{ lookup('env', 'HOST')|default('cloud-images.ubuntu.com', true)}}"
    image_url: "{{ lookup('env', 'IMAGE_URL')|default('https://' ~ host ~ '/' ~ image_path, true) }}"
    image_dest: "{{ workspace }}/{{ image_filename }}"
    sha256sums_path: "{{ release }}/current/SHA256SUMS"
    sha256sums_filename: "{{ sha256sums_path|basename }}"
    sha256sums_url: "{{ lookup('env', 'SHA256SUMS_URL')|default('https://' ~ host ~ '/' ~ sha256sums_path, true) }}"

    workspace: "{{ lookup('env', 'workspace')|default('/tmp/workspace/yardstick', true) }}"
    imgfile: "{{ workspace }}/yardstick-image.img"
    raw_imgfile_basename: "yardstick-{{ release }}-server.raw"
  environment:
    PATH: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/bin

  tasks:
    - group_by:
        key: image_builder

    - package: name=parted state=present

    - set_fact:
        mountdir: "{{ lookup('env', 'mountdir')|default('/mnt/yardstick', true) }}"

    - set_fact:
        raw_imgfile: "{{ workspace }}/{{ raw_imgfile_basename }}"

  # cleanup non-lxd
    - name: unmount all old mount points
      mount:
        name: "{{ item }}"
        state: unmounted
      with_items:
        # order matters
        - "{{ mountdir }}/proc"
        - "{{ mountdir }}"
        - "/mnt/{{ release }}"

    - name: kpartx -dv to delete all image partition device nodes
      command: kpartx -dv "{{ raw_imgfile }}"
      ignore_errors: true

    - name: delete {{ raw_imgfile }}
      file:
        path: "{{ raw_imgfile }}"
        state: absent

    # common
    - name: remove {{ mountdir }}
      file:
        path: "{{ mountdir }}"
        state: absent

    # download-common
    - name: remove {{ workspace }}
      file:
        path: "{{ workspace }}"
        state: directory

    - name: "fetch {{ image_url }} and verify "
      fetch_url_and_verify:
        url: "{{ image_url }}"
        sha256url: "{{ sha256sums_url }}"
        dest: "{{ image_dest }}"

    - name: convert image to raw
      command: "qemu-img convert {{ image_dest }} {{ raw_imgfile }}"

    - name: resize image to allow for more VNFs
      command: "qemu-img resize -f raw {{ raw_imgfile }} +2G"

    - name: resize parition to allow for more VNFs
      command: "parted -s -a optimal {{ raw_imgfile }} resizepart 1 100%"

    - name: create mknod devices in chroot
      command: "mknod -m 0660 /dev/loop{{ item }} b 7 {{ item }}"
      args:
        creates: "/dev/loop{{ item }}"
      with_sequence: start=0 end=9
      tags: mknod_devices

    - name: find first partition device
#      command: kpartx -l "{{ loop_device }}"
      command: kpartx -l "{{ raw_imgfile }}"
      register: kpartx_res

    - set_fact:
        image_first_partition: "{{ kpartx_res.stdout_lines[0].split()[0] }}"

    - set_fact:
        # assume / is the first partition
        image_first_partition_device: "/dev/mapper/{{ image_first_partition }}"

    - name: use kpartx to create device nodes for the raw image loop device
      # operate on the loop device to avoid /dev namespace missing devices
      command: kpartx -avs "{{ raw_imgfile }}"

    - name: parted dump raw image
      command: parted "{{ raw_imgfile }}" print
      register: parted_res

    - debug:
        var: parted_res
        verbosity: 2

    - name: use blkid to find filesystem type of first partition device
      command: blkid -o value -s TYPE {{ image_first_partition_device }}
      register: blkid_res

    - set_fact:
        image_fs_type: "{{ blkid_res.stdout.strip() }}"
    - fail:
        msg: "We only support ext4 image filesystems because we have to resize"
      when: image_fs_type != "ext4"

    - name: fsck the image filesystem
      command: "e2fsck -y -f {{ image_first_partition_device  }}"

    - name: resize filesystem to full partition size
      command: resize2fs {{ image_first_partition_device }}

    - name: fsck the image filesystem
      command: "e2fsck -y -f {{ image_first_partition_device  }}"

    - name: make tmp disposable fstab
      command: mktemp fake_fstab.XXXXXXXXXX
      register: mktemp_res

    - set_fact:
        fake_fstab: "{{ mktemp_res.stdout.strip() }}"

    - name: mount first parition on image device
      mount:
        src: "{{ image_first_partition_device }}"
        name: "{{ mountdir }}"
        # fstype is required
        fstype: "{{ image_fs_type }}"
        state: mounted

    - name: mount chroot /proc
      mount:
        src: none
        name: "{{ mountdir }}/proc"
        fstype: proc
        state: mounted

    - name: if arm copy qemu-aarch64-static into chroot
      copy:
        src: /usr/bin/qemu-aarch64-static
        dest: "{{ mountdir }}/usr/bin"
      when: 'YARD_IMG_ARCH == "arm64"'

    - name: create ubuntu policy-rc.d workaround
      copy:
        content: "{{ '#!/bin/sh\nexit 101\n' }}"
        dest: "{{ mountdir }}/usr/sbin/policy-rc.d"
        mode: 0755
      when: "target_os == 'Ubuntu'"

    - name: set img_modify_playbook
      set_fact:
        img_modify_playbook: ubuntu_server_cloudimg_modify.yml

    - debug:
        var: img_modify_playbook
        verbosity: 2

    - name: add chroot as host
      add_host:
        name: "{{ mountdir }}"
        groups: chroot_image,image_builder
        connection: chroot
        ansible_python_interpreter: /usr/bin/python3
        # set this host variable here
        nameserver_ip: "{{ ansible_dns.nameservers[0] }}"
        image_type: vm

- name: include {{ img_modify_playbook }}
  include: "{{ img_modify_playbook }}"

- name: run post build tasks
  include: post_build_yardstick_image.yml

- hosts: localhost

  tasks:
    - debug:
        msg: "yardstick image = {{ raw_imgfile }}"