openstack/openstack-ansible-ops
Code Issues Proposed changes
40b7b525bb
openstack-ansible-ops/pxelinux-provisioning/playbooks/deploy-pxe.yml
Kevin Carter 743b939640 Add basic provisioning using pxelinux 
The basic provisioning tools we had in the MNAIO could long be used on a
set of physical machines however doing so required a healthy
understanding of everything going on under the hood. This change
extracts the PXE components out of our older MNAIO tooling and
will allow operators to easily deploy operating systems on machines in
the most compatible way possible.

Change-Id: I2188f0f0de7f8be331a35b5f22cf5114ea9b6718
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
2018-05-01 15:42:04 +00:00

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---
# Copyright 2017, Rackspace US, Inc.
#
# 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 witing, 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: Deploy PXE
hosts: pxe_hosts
gather_facts: "{{ gather_facts | default(true) }}"
pre_tasks:
- name: Gather variables for each operating system
include_vars: "{{ item }}"
with_first_found:
- "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
- "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
- "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
- "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}.yml"
- "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}.yml"
tags:
- always
- name: Install host distro packages
package:
pkg: "{{ item }}"
state: "latest"
update_cache: yes
cache_valid_time: 600
with_items: "{{ default_pxe_distro_packages }}"
- name: Create base directories
file:
path: "{{ item }}"
state: directory
owner: "root"
group: "root"
mode: "0755"
with_items:
- /var/www/pxe
- /var/www/pxe/images
- /var/www/pxe/iso
- /var/www/pxe/networking
- /var/www/pxe/scripts
- /var/www/pxe/templates
- /var/lib/tftpboot
- /var/lib/tftpboot/boot-screens
- /var/lib/tftpboot/preseed
- /var/lib/tftpboot/pxelinux.cfg
- name: Get root public key
command: cat /root/.ssh/id_rsa.pub
register: public_key_get
changed_when: false
when:
- default_tftp_ssh_key is undefined
- name: Set key facts
set_fact:
default_tftp_ssh_key: "{{ public_key_get.stdout }}"
when:
- default_tftp_ssh_key is undefined
tasks:
- name: Drop NGINX config
copy:
src: "templates/pxe/sites-enabled.default.j2"
dest: /etc/nginx/sites-enabled/default
mode: "0644"
owner: root
group: root
notify:
- restart nginx
- name: Drop tftp-hpa configs
copy:
src: "templates/pxe/tftp/tftp-hpa.j2"
dest: /etc/default/tftpd-hpa
mode: "0644"
owner: root
group: root
notify:
- restart tftp-hpa
- name: Drop inetd configs
copy:
src: "templates/pxe/tftp/inetd.conf.j2"
dest: /etc/default/tftpd-hpa
mode: "0644"
owner: root
group: root
notify:
- restart tftp-hpa
- name: Download image iso(s)
get_url:
url: "{{ item.value.image_iso_url }}"
dest: "/var/www/pxe/iso/{{ item.value.image_name }}"
with_dict: "{{ default_images }}"
- name: Clean image directory
file:
path: "/var/www/pxe/images/{{ item.value.image_short_name }}"
state: absent
with_dict: "{{ default_images }}"
- name: Create image directory
file:
path: "/var/www/pxe/images/{{ item.value.image_short_name }}"
state: directory
owner: "root"
group: "root"
mode: "0755"
with_dict: "{{ default_images }}"
- name: Extract ISO(s) contents
command: "7z x /var/www/pxe/iso/{{ item.value.image_name }}"
args:
chdir: "/var/www/pxe/images/{{ item.value.image_short_name }}"
with_dict: "{{ default_images }}"
- name: Download pxelinux
get_url:
url: "{{ default_pxelinux_url }}"
dest: "/var/www/pxe/{{ default_pxelinux_name }}"
tmp_dest: /tmp/
- name: Clean pxe image directory
file:
path: "/var/www/pxe/{{ default_pxelinux_short_name }}"
state: absent
- name: Extract pxelinux contents
command: "tar -xf /var/www/pxe/{{ default_pxelinux_name }}"
args:
chdir: "/var/www/pxe"
- name: Drop pxelinux.cfg default menu
copy:
src: "templates/pxe/tftp/pxelinux.cfg.default.j2"
dest: "{{ item }}"
mode: "0644"
owner: root
group: root
with_items:
- /var/lib/tftpboot/pxelinux.cfg/default
- /var/lib/tftpboot/boot-screens/syslinux.cfg
# These links are using the shell command because the file module does not create hard links
- name: Create hard links
shell: |
ln -f /var/www/pxe/{{ default_pxelinux_short_name }}/bios/com32/elflink/ldlinux/ldlinux.c32 /var/lib/tftpboot/ldlinux.c32
ln -f /var/www/pxe/{{ default_pxelinux_short_name }}/bios/core/pxelinux.0 /var/lib/tftpboot/pxelinux.0
ln -f /var/www/pxe/{{ default_pxelinux_short_name }}/bios/com32/lib/libcom32.c32 /var/lib/tftpboot/boot-screens/libcom32.c32
ln -f /var/www/pxe/{{ default_pxelinux_short_name }}/bios/com32/libutil/libutil.c32 /var/lib/tftpboot/boot-screens/libutil.c32
ln -f /var/www/pxe/{{ default_pxelinux_short_name }}/bios/com32/menu/vesamenu.c32 /var/lib/tftpboot/boot-screens/vesamenu.c32
- name: Drop boot-screens default menu
template:
src: "templates/pxe/tftp/menu.cfg.j2"
dest: /var/lib/tftpboot/boot-screens/menu.cfg
mode: "0644"
owner: root
group: root
- name: Drop tftp-hpa configs
template:
src: "templates/pxe/tftp/tftp-hpa.j2"
dest: /etc/default/tftpd-hpa
mode: "0644"
owner: root
group: root
notify:
- restart tftp-hpa
- name: tftp configs for servers
template:
src: "templates/pxe/tftp/pxelinux.cfg.macaddr.j2"
dest: "/var/lib/tftpboot/pxelinux.cfg/01-{{ hostvars[item]['server_mac_address'] | replace(':', '-') | upper }}"
mode: "0644"
owner: root
group: root
with_items: "{{ groups['pxe_servers'] }}"
- name: Preseeds for pxe scripts
template:
src: "templates/pxe/{{ item.value.image_type }}/{{ item.value.image_preseed }}-post-install-script.sh.j2"
dest: "/var/www/pxe/scripts/{{ item.value.image_preseed }}-post-install-script.sh"
mode: "0644"
owner: root
group: root
with_dict: "{{ default_images }}"
- name: Preseeds for pxe
template:
src: "templates/pxe/{{ item.value.image_type }}/{{ item.value.image_preseed }}.preseed.j2"
dest: "/var/lib/tftpboot/preseed/{{ item.value.image_preseed }}.preseed"
mode: "0644"
owner: root
group: root
with_dict: "{{ default_images }}"
- name: Create netboot bind mount path
file:
path: "/var/lib/tftpboot/{{ item.value.image_short_name }}"
state: directory
owner: "root"
group: "root"
mode: "0755"
with_dict: "{{ default_images }}"
- name: Unbind mount netboot images
mount:
name: "/var/lib/tftpboot/{{ item.value.image_short_name }}"
src: "/var/www/pxe/images/{{ item.value.image_netboot }}"
opts: bind
fstype: none
state: unmounted
register: fstab
with_dict: "{{ default_images }}"
- name: Ensure permissions are correct
shell: |
# Fix perms if needed
find /var/lib/tftpboot -type d -exec chmod 0755 {} \;
find /var/lib/tftpboot -type f -exec chmod 0644 {} \;
find /var/www/pxe -type d -exec chmod 0755 {} \;
- name: Bind mount netboot images
mount:
name: "/var/lib/tftpboot/{{ item.value.image_short_name }}"
src: "/var/www/pxe/images/{{ item.value.image_netboot }}"
opts: bind
fstype: none
state: mounted
register: fstab
with_dict: "{{ default_images }}"
environment: "{{ deployment_environment_variables | default({}) }}"
handlers:
- name: restart nginx
systemd:
name: "nginx"
state: restarted
enabled: yes
- name: restart tftp-hpa
systemd:
name: "tftpd-hpa"
state: restarted
enabled: yes
- name: restart inetd
systemd:
name: "inetutils-inetd"
state: restarted
enabled: yes
tags:
- deploy-pxe
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