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---
# file: roles/aws/tasks/main.yaml

- name: Edit repositories
  include_tasks: "{{ ansible_distribution|lower }}_{{ ansible_distribution_release }}.yaml"
  tags:
    - aws-edit-repo

- name: Get vfio-pci With WC Patcher
  get_url:
    url: "https://github.com/amzn/amzn-drivers/raw/master/userspace/dpdk/enav2-vfio-patch/get-vfio-with-wc.sh"
    dest: "/opt/get-vfio-with-wc.sh"
    mode: "744"
  tags:
    - aws-vfio-patch

- name: Create vfio-pci Patch Directory
  file:
    path: "/opt/patches/"
    state: "directory"
  tags:
    - aws-vfio-patch

- name: Get vfio-pci WC Patch >=4.10
  get_url:
    url: "https://github.com/amzn/amzn-drivers/raw/master/userspace/dpdk/enav2-vfio-patch/patches/linux-4.10-vfio-wc.patch"
    dest: "/opt/patches/linux-4.10-vfio-wc.patch"
    mode: "744"
  tags:
    - aws-vfio-patch

- name: Get vfio-pci WC Patch >=5.8
  get_url:
    url: "https://github.com/amzn/amzn-drivers/raw/master/userspace/dpdk/enav2-vfio-patch/patches/linux-5.8-vfio-wc.patch"
    dest: "/opt/patches/linux-5.8-vfio-wc.patch"
    mode: "744"
  tags:
    - aws-vfio-patch

- name: Compile vfio-pci With WC Patch
  shell: "/bin/bash /opt/get-vfio-with-wc.sh"
  tags:
    - aws-vfio-patch

- name: Load Kernel Modules By Default
  lineinfile:
    path: "/etc/modules"
    state: "present"
    line: "{{ item }}"
  with_items:
    - "vfio-pci"
    - "igb_uio"
  tags:
    - aws-load-kernel-modules

- name: Add Kernel Modules Options (igb_uio)
  lineinfile:
    path: "/etc/modprobe.d/igb_uio.conf"
    state: "present"
    line: "{{ item }}"
    create: "yes"
  with_items:
    - "options igb_uio wc_activate=1"
  tags:
    - aws-load-kernel-modules

- name: Add Kernel Modules Options (vfio-pci)
  lineinfile:
    path: "/etc/modprobe.d/vfio-noiommu.conf"
    state: "present"
    line: "{{ item }}"
    create: "yes"
  with_items:
    - "options vfio enable_unsafe_noiommu_mode=1"
  tags:
    - aws-load-kernel-modules

- name: Reload systemd-modules
  systemd:
    name: "systemd-modules-load"
    state: "restarted"
  tags:
    - aws-reload-systemd-modules

- name: Performance Tuning - Adjust nr_hugepages
  sysctl:
    name: "vm.nr_hugepages"
    value: "8192"
    state: "present"
    sysctl_file: "/etc/sysctl.d/90-csit.conf"
    reload: "yes"
  tags:
    - aws-set-hugepages