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path: root/ansible/roles/build_yardstick_image/tasks/pre_build.yml
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# Copyright (c) 2018 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.
---
- name: Group
  group_by:
    key: image_builder

- package: name=parted state=present
  environment: "{{ proxy_env }}"

- package: name=kpartx state=present
  environment: "{{ proxy_env }}"

- package: name="{{ growpart_package[ansible_os_family] }}" state=present
  environment: "{{ proxy_env }}"

- set_fact:
    imgfile: "{{ normal_image_file }}"
  when: img_prop_item == "normal"

- set_fact:
    imgfile: "{{ nsb_image_file }}"
  when: img_prop_item == "nsb"

- set_fact:
    mountdir: "{{ lookup('env', 'mountdir')|default('/mnt/yardstick', true) }}"
    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: Debug dump loop devices
  command: losetup -a
  ignore_errors: true

- name: delete loop devices for image file
  # use this because kpartx -dv will fail if raw_imgfile was delete
  # but in theory we could have deleted file still attached to loopback device?
  # use grep because of // and awk
  shell: losetup -O NAME,BACK-FILE | grep "{{ raw_imgfile_basename }}" | awk '{ print $1 }' | xargs -l1 losetup -v -d
  ignore_errors: true

- name: Debug dump loop devices again
  command: losetup -a
  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
  # use growpart because maybe it handles GPT better than parted
  command: growpart {{ raw_imgfile }}  1

- 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 "{{ 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 --tmpdir 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 }}"
    # !!!!!!! this is required otherwise we add entries to /etc/fstab
    # and prevent the system from booting
    fstab: "{{ fake_fstab }}"
    state: mounted

- name: mount chroot /proc
  mount:
    src: none
    name: "{{ mountdir }}/proc"
    fstype: proc
    # !!!!!!! this is required otherwise we add entries to /etc/fstab
    # and prevent the system from booting
    fstab: "{{ fake_fstab }}"
    state: mounted

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