From 8ab2b6797e492a7516a210ae9bfa0ffbd5278f35 Mon Sep 17 00:00:00 2001 From: Sebastian Lohff Date: Wed, 27 Mar 2019 01:08:27 +0100 Subject: [PATCH] Initial commit --- .gitignore | 3 + LICENSE | 202 +++++++++++++++++++++++++++++++++++ defaults/main.yml | 22 ++++ meta/main.yml | 19 ++++ tasks/create-base-image.yml | 4 + tasks/install-genconfdrv.yml | 14 +++ tasks/install-vm.yml | 78 ++++++++++++++ tasks/install-vms.yml | 23 ++++ tasks/main.yml | 10 ++ templates/xen-vm.cfg.j2 | 32 ++++++ 10 files changed, 407 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 defaults/main.yml create mode 100644 meta/main.yml create mode 100644 tasks/create-base-image.yml create mode 100644 tasks/install-genconfdrv.yml create mode 100644 tasks/install-vm.yml create mode 100644 tasks/install-vms.yml create mode 100644 tasks/main.yml create mode 100644 templates/xen-vm.cfg.j2 diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e26ea60 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +*.swp +*.swo +*.retry diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..bd9ab7c --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright 2019 Sebastian Lohff + + 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. + diff --git a/defaults/main.yml b/defaults/main.yml new file mode 100644 index 0000000..1e41e73 --- /dev/null +++ b/defaults/main.yml @@ -0,0 +1,22 @@ +--- +xen_vm_creator_install_genconfdrv: true + +# vm parameters +xen_vm_creator_vm_defaults: + hostname: "" + mem: 256 + maxmem: 1024 + vcpus: 1 + max_vcpus: 4 + disk_size: 4 + image: "{{ xen_vm_creator_image }}" + +xen_vm_creator_interface_prefix: "eth" +xen_vm_creator_mac_prefix: "00:16:3e" + +xen_vm_creator_iso_dir: /path/to/safe/isodir/ +xen_vm_creator_image: /path/to/linux-iamge.qcow2 +xen_vm_creator_lvm_vg_name: "" +xen_vm_creator_xen_config_dir: /etc/xen/ +xen_vm_creator_iso_file_marker: "### will be removed after install ###" +xen_vm_creator_vms: [] diff --git a/meta/main.yml b/meta/main.yml new file mode 100644 index 0000000..32f2d94 --- /dev/null +++ b/meta/main.yml @@ -0,0 +1,19 @@ +--- +dependencies: [] + +galaxy_info: + role_name: xen-vm-creator + author: Sebastian Lohff + description: + license: apache + min_ansible_version: 2.4 + platforms: + - name: Debian + versions: + - all + - name: Ubuntu + versions: + - all + galaxy_tags: + - virtualization + - xen diff --git a/tasks/create-base-image.yml b/tasks/create-base-image.yml new file mode 100644 index 0000000..bfc9472 --- /dev/null +++ b/tasks/create-base-image.yml @@ -0,0 +1,4 @@ +--- +- name: Just... fail + fail: + msg: Cannot create base image - not implemented diff --git a/tasks/install-genconfdrv.yml b/tasks/install-genconfdrv.yml new file mode 100644 index 0000000..a4f1310 --- /dev/null +++ b/tasks/install-genconfdrv.yml @@ -0,0 +1,14 @@ +--- +- name: Install prerequisites + apt: + name: + - genisoimage + - qemu-utils + - python3-pip + - git + +- name: Install genconfdrv + pip: + name: git+https://git.someserver.de/seba/genconfdrv/ + executable: pip3 + when: xen_vm_creator_install_genconfdrv diff --git a/tasks/install-vm.yml b/tasks/install-vm.yml new file mode 100644 index 0000000..136eda8 --- /dev/null +++ b/tasks/install-vm.yml @@ -0,0 +1,78 @@ +--- +- name: Wubwub + debug: + msg: Well, let's get crackin' + +- name: Check if image exists + stat: + path: "{{ vm.image }}" + register: xen_vm_creator_image_path_check + failed_when: not xen_vm_creator_image_path_check.stat.exists + +# create boot iso +- name: Create config drive + shell: | + genconfdrv -H {{ vm.hostname }} -o {{ xen_vm_creator_iso_dir }}/{{ vm.hostname}}.iso \ + {% if user_list %}-a {% for user in user_list %}{{ user | quote }} {% endfor %}{% endif %}\ + {% if net_list %}-i {% for net in net_list %}{{ net | quote }} {% endfor %}{% endif %} + vars: + user_def: "{{ vm.user | default(xen_vm_creator_default_user) }}" + user_list: "[{% for user in user_def %}'{{ user.name }}:{{ user.key }}',{% endfor %}]" + net_list: | + [ + {% for net in vm.networks %} + {% set iface = net.interface|default(xen_vm_creator_interface_prefix + loop.index0|string) %} + '{{ iface }}' + {% if net.address|default %} + ':{{ net.address }}' + {% if net.gateway|default %} + ':{{ net.gateway }}' + {% endif %} + {% endif %} + , + + {% if net.address6|default %} + '{{ iface }};{{ net.address6 }}' + {% if net.gateway6|default %} + ';{{ net.gateway6 }}' + {% endif %} + , + {% endif %} + {% endfor %} + ] + +# push config +- name: Write VM config + template: + src: xen-vm.cfg.j2 + dest: "{{ xen_vm_creator_xen_config_dir }}/{{ vm.hostname }}.cfg" + vars: + iso_path: "{{ xen_vm_creator_iso_dir }}/{{ vm.hostname}}.iso" + storage_path: "phy:/dev/{{ xen_vm_creator_lvm_vg_name }}/{{ vm.hostname }}-disk" + +# provision storage +# --> lvm: create lv (lvol size/vg/lv) +- name: Create LVM volume + lvol: + lv: "{{ vm.hostname }}-disk" + vg: "{{ xen_vm_creator_lvm_vg_name }}" + size: "{{ vm.disk_size }}g" + +# qemu-img for image +- name: Write image + shell: "qemu-img convert -O raw {{ xen_vm_creator_image|quote }} /dev/{{ xen_vm_creator_lvm_vg_name }}/{{ vm.hostname }}-disk" + +# start vm +- name: Start VM + shell: "xl create {{ xen_vm_creator_xen_config_dir }}/{{ vm.hostname }}.cfg" + +- name: Wait 10 seconds for VM to be started + wait_for: + timeout: 10 + +# remove iso from config +- name: Remove config drive from VM config + lineinfile: + path: "{{ xen_vm_creator_xen_config_dir }}/{{ vm.hostname }}.cfg" + state: absent + regexp: "^.*{{ xen_vm_creator_iso_file_marker }}$" diff --git a/tasks/install-vms.yml b/tasks/install-vms.yml new file mode 100644 index 0000000..fad84d2 --- /dev/null +++ b/tasks/install-vms.yml @@ -0,0 +1,23 @@ +--- +- name: Set variables + changed_when: false + set_fact: + vm: "{{ xen_vm_creator_vm_defaults|combine(xen_vm_creator_vm) }}" + +- name: VM that is to be installed + debug: + var: vm + +- name: Check if vm needs installation + shell: > + test -x {{ xen_vm_creator_xen_config_dir }}/{{ vm.hostname }}.cfg || + test -e {{ xen_vm_creator_xen_config_dir }}/auto/{{ vm.hostname }}.cfg || + (lvs {{xen_vm_creator_lvm_vg_name}}/{{ vm.hostname }}-disk >/dev/null || false) || + (lvs {{xen_vm_creator_lvm_vg_name}}/{{ vm.hostname }} >/dev/null || false) + changed_when: false + failed_when: xen_vm_creator_is_installed.rc not in [0, 1] + register: xen_vm_creator_is_installed + +- name: Install vm + include: install-vm.yml + when: xen_vm_creator_is_installed.rc == 1 diff --git a/tasks/main.yml b/tasks/main.yml new file mode 100644 index 0000000..902c864 --- /dev/null +++ b/tasks/main.yml @@ -0,0 +1,10 @@ +--- +# prereqs +- name: Install genconfdrv + include: install-genconfdrv.yml + when: xen_vm_creator_install_genconfdrv + +- include: install-vms.yml + with_items: "{{ xen_vm_creator_vms }}" + loop_control: + loop_var: xen_vm_creator_vm diff --git a/templates/xen-vm.cfg.j2 b/templates/xen-vm.cfg.j2 new file mode 100644 index 0000000..76a7cce --- /dev/null +++ b/templates/xen-vm.cfg.j2 @@ -0,0 +1,32 @@ +# Config for {{ vm.hostname }} +# Created on: {{ ansible_date_time.date }} {{ ansible_date_time.time }} {{ ansible_date_time.tz_offset }} + +name = '{{ vm.hostname }}' +memory = '{{ vm.mem }}' +maxmem = '{{ vm.maxmem }}' +vcpus = {{ vm.vcpus }} +maxvcpus = {{ vm.max_vcpus }} +disk = [ + '{{ storage_path }},xvda,w', + 'file:{{ iso_path }},xvdb:cdrom,r', # --> {{ xen_vm_creator_iso_file_marker }} +] +vif = [ +{% for network in vm.networks %} + {% set default_mac = '%s:%02x:%02x:%02x' % (xen_vm_creator_mac_prefix, range(0,256)|random, range(0,256)|random, range(0,256)|random) %} + 'mac={{ network.mac|default(default_mac) }},bridge={{ network.bridge }}', +{% endfor %} +] + +acpi = '1' +apic = '1' +builder = 'hvm' +keymap = 'de' +serial = 'pty' +device_model_version = 'qemu-xen' +device_model_override = '/usr/bin/qemu-system-x86_64' + +on_crash = 'destroy' +on_poweroff = 'destroy' +on_reboot = 'restart' +on_shutdown = 'destroy' +