| Hyunsun Moon | e484834 | 2020-02-16 04:28:55 -0800 | [diff] [blame] | 1 | # Copyright 2020-present Open Networking Foundation |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | # you may not use this file except in compliance with the License. |
| 5 | # You may obtain a copy of the License at |
| 6 | # |
| 7 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | # |
| 9 | # Unless required by applicable law or agreed to in writing, software |
| 10 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | # See the License for the specific language governing permissions and |
| 13 | # limitations under the License. |
| 14 | |
| 15 | --- |
| 16 | # Fail if VT-d is not enabled |
| 17 | - name: Ensure VT-d is enabled in BIOS |
| 18 | shell: "dmesg | grep DMAR-IR" |
| 19 | register: check_vt_d |
| 20 | changed_when: check_vt_d.rc != 0 |
| 21 | failed_when: check_vt_d.rc != 0 |
| 22 | tags: sriov-dpdk |
| 23 | |
| 24 | - name: Add kernel boot parameters to the grub for SRIOV |
| 25 | lineinfile: |
| 26 | dest: /etc/default/grub |
| 27 | regexp: '^GRUB_CMDLINE_LINUX="(?!.* {{ item.regex }})(.*)"' |
| 28 | line: 'GRUB_CMDLINE_LINUX="\1 {{ item.context }}"' |
| 29 | state: present |
| 30 | backrefs: yes |
| 31 | loop: |
| 32 | - { regex: 'intel_iommu=on', context: 'intel_iommu=on' } |
| 33 | - { regex: 'hugepagesz=', context: 'hugepagesz=1G default_hugepagesz=1G hugepages=32' } |
| 34 | register: grub |
| 35 | tags: sriov-dpdk |
| 36 | |
| 37 | - name: Update grub |
| 38 | command: update-grub |
| 39 | when: grub.changed |
| 40 | register: update_grub |
| 41 | tags: sriov-dpdk |
| 42 | |
| 43 | - name: Load vfio_pci module to the kernel |
| 44 | modprobe: |
| 45 | name: vfio_pci |
| 46 | state: present |
| 47 | tags: sriov-dpdk |
| 48 | |
| 49 | - name: Set the vfio_pci module to load on boot |
| 50 | lineinfile: |
| 51 | dest: /etc/modules-load.d/vfio_pci.conf |
| 52 | create: yes |
| 53 | regexp: "^vfio_pci" |
| 54 | line: "vfio_pci" |
| 55 | tags: sriov-dpdk |
| 56 | |
| 57 | - name: Check VFIO bind devices for DPDK |
| 58 | shell: "ls -l /dev/vfio | wc -l" |
| 59 | register: check_dpdk_bind |
| 60 | changed_when: check_dpdk_bind.stdout | int < 4 |
| 61 | tags: sriov-dpdk |
| 62 | |
| 63 | - name: Create SRIOV-DPDK service |
| 64 | template: |
| 65 | src: "{{ item.src }}" |
| 66 | dest: "{{ item.dest }}" |
| 67 | mode: "{{ item.mode }}" |
| 68 | loop: |
| 69 | - { src: 'usr/bin/sriov.sh.j2', dest: '/usr/bin/sriov.sh', mode: 'a+x' } |
| 70 | - { src: 'etc/systemd/system/sriov.service.j2', dest: '/etc/systemd/system/sriov.service', mode: 644 } |
| 71 | register: bind_dpdk |
| 72 | when: check_dpdk_bind.stdout | int < 4 |
| 73 | tags: sriov-dpdk |
| 74 | |
| 75 | - name: Enable SRIOV-DPDK service |
| 76 | systemd: |
| 77 | name: sriov |
| 78 | daemon_reload: true |
| 79 | enabled: yes |
| 80 | when: bind_dpdk.changed |
| 81 | tags: sriov-dpdk |
| 82 | |
| 83 | - name: Reboot machine |
| 84 | shell: sleep 2 && shutdown -r now "Ansible updates triggered" |
| 85 | async: 1 |
| 86 | poll: 0 |
| 87 | ignore_errors: true |
| 88 | when: update_grub.changed or bind_dpdk.changed |
| 89 | tags: sriov-dpdk |
| 90 | |
| 91 | - name: Wait for server to restart successfully |
| 92 | wait_for: |
| 93 | host: "{{ ansible_host }}" |
| 94 | search_regex: "OpenSSH" |
| 95 | port: 22 |
| 96 | timeout: 300 |
| 97 | connect_timeout: 50 |
| 98 | delay: 5 |
| 99 | delegate_to: localhost |
| 100 | become: false |
| 101 | tags: sriov-dpdk |
| 102 | |
| 103 | - name: Ensure enough VFIO bind devices |
| 104 | shell: "ls -l /dev/vfio | wc -l" |
| 105 | register: confirm_dpdk_bind |
| 106 | changed_when: confirm_dpdk_bind.stdout | int < 4 |
| 107 | failed_when: confirm_dpdk_bind.stdout | int < 4 |
| 108 | tags: sriov-dpdk |