Add pci passthrough setup playbook

ansible/openstack-pci-passthrough-setup/hosts

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+[controller]
+<controller nodes here>
+[compute]
+<compute nodes here>

ansible/openstack-pci-passthrough-setup/setup_pci_devices.yml

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+---
+
+ - name: Setup Filter scheduler
+   hosts: controller
+   remote_user: heat-admin
+   tasks:
+     - name: filter scheduler
+       ini_file:
+         path: /etc/nova/nova.conf
+         option: baremetal_enabled_filters
+         value: "RetryFilter,AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ExactRamFilter,ExactDiskFilter,ExactCoreFilter,PciPassthroughFilter"
+         section: filter_scheduler
+         backup: yes
+       become: true
+
+     - name: enable all filters
+       ini_file:
+         path: /etc/nova/nova.conf
+         option: available_filters
+         value: "nova.scheduler.filters.all_filters"
+         section: filter_scheduler
+         backup: yes
+       become: true
+
+ - name: Setup Whitelist
+   hosts: all
+   remote_user: heat-admin
+   tasks:
+     - name: set pci device alias
+       ini_file:
+         path: /etc/nova/nova.conf
+         option: alias
+         value: '{ "vendor_id":"{{vendor_id}}", "product_id":"{{product_id}}", "device_type":"{{passthrough_type}}", "name":"{{alias}}" }'
+         section: pci
+         backup: yes
+       become: true
+
+     - name: set pci device whitelist
+       ini_file:
+         path: /etc/nova/nova.conf
+         option: passthrough_whitelist
+         value: '{ "vendor_id": "{{vendor_id}}", "product_id": "{{product_id}}" }'
+         section: pci
+         backup: yes
+       become: true
+
+     - name: Tempalte file because ansible can't handle quoted quotes
+       template:
+         src: find_replace.sh
+         dest: /tmp/find_replace.sh
+
+     - name: Find and sub quotes because ansible does not allow \" in ini
+       shell: "bash /tmp/find_replace.sh"
+       become: true
+
+ - name: Edit grub
+   hosts: compute
+   remote_user: heat-admin
+   tasks:
+     - name: add iommu to grub
+       lineinfile:
+         dest: /etc/default/grub
+         line: "GRUB_CMDLINE_LINUX=\"console=tty0 console=ttyS0,115200n8 crashkernel=auto rhgb quiet intel_iommu=on pci-stub.ids={{vendor_id}}:{{product_id}}\""
+         regexp: '^GRUB_CMDLINE_LINUX'
+         state: present
+       become: true
+
+     - name: Regenerate grub config
+       shell: "grub2-mkconfig -o /boot/grub2/grub.cfg"
+       become: true
+
+ - name: Bounce controller nova services
+   hosts: all
+   remote_user: heat-admin
+   tasks:
+     - name: Bounce nova services
+       service:
+         name: "{{item}}"
+         state: restarted
+       become: true
+       with_items:
+         - openstack-nova-api
+         - openstack-nova-conductor
+         - openstack-nova-consoleauth
+         - openstack-nova-novncproxy
+         - openstack-nova-scheduler
+
+ - name: reboot the computes
+   hosts: compute
+   remote_user: heat-admin
+   tasks:
+     - name: reboot
+       shell: reboot now
+       become: true

ansible/openstack-pci-passthrough-setup/templates/find_replace.sh

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+#!/bin/bash
+sudo sed -i '/alias =/s/'\''/\"/g' /etc/nova/nova.conf
+sudo sed -i '/passthrough_whitelist =/s/'\''/\"/g' /etc/nova/nova.conf

ansible/openstack-pci-passthrough-setup/vars/all.yml

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+# Use lspci -nn find the tupe of hex values xxxx:xxxx for the device you wish to pass
+# this will allow all devices of that make and model to be passed through. If you need
+# to pass through multiple unique devices rerun this playbook with different values
+# if you want those different devices to be treated the same, use the same alias
+vendor_id:
+product_id:
+# The identifier you will use in your flavor
+alias:
+# The method of passthrough used, options are type-PF (physical function)
+# type-VF (virtual function) for NFV and type-PCI for everything else
+# if you are trying to passthrough storage/gpu etc use type-PCI
+passthrough_type: