Add dpdk plugin

JIRA: COMPASS-550

add OVS-DPDK plugin, there are two roles in this plugin.
    1. ins_dpdk is for dpdk installation and hugepages setting.
    2. ins_ovs is for openvswitch installation.
add dpdk scenario networking configuration example called "network_cfg_dpdk.yaml"

Change-Id: Ifd8c1aadc218753f99bc26bb530e7cf9962ad8e3
Signed-off-by: chigang <chigang@huawei.com>

6 files changed, 172 insertions, 0 deletions

diff --git a/plugins/dpdk/roles/ins_dpdk/tasks/dpdk.yml b/plugins/dpdk/roles/ins_dpdk/tasks/dpdk.yml
new file mode 100644
index 00000000..6a08386f
--- /dev/null
+++ b/plugins/dpdk/roles/ins_dpdk/tasks/dpdk.yml
@@ -0,0 +1,81 @@
+# #############################################################################
+# Copyright (c) 2017 HUAWEI TECHNOLOGIES CO.,LTD and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+# #############################################################################
+---
+- name: install prerequisites package
+  apt:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - git
+    - gcc
+    - make
+    - cmake
+    - libpcap0.8
+    - libpcap0.8-dev
+
+- name: git clone DPDK code
+  git:
+    repo: "{{ dpdk_repo }}"
+    dest: "{{ dpdk_dir }}"
+    version: "{{ dpdk_version }}"
+
+- name: Configure DPDK
+  lineinfile:
+    dest: "{{ dpdk_dir }}/config/common_linuxapp"
+    regexp: '^{{ item.key }}='
+    line: "{{ item.key }}={{ item.value }}"
+  with_items:
+    - key: CONFIG_RTE_BUILD_COMBINE_LIBS
+      value: y
+  register: dpdk_config_change
+
+- name: make config DPDK
+  command: make config T=x86_64-native-linuxapp-gcc chdir={{ dpdk_dir }}
+
+- name: Configure PMD
+  lineinfile:
+    dest: "{{ dpdk_dir }}/build/.config"
+    regexp: '^{{ item.key }}='
+    line: "{{ item.key }}={{ item.value }}"
+  with_items:
+    - key: PMD_PCAP
+      value: y
+
+- name: Check if DPDK build exists
+  stat: path={{ dpdk_build }}
+  register: dpdk_build_status
+
+- name: Build DPDK
+  command: make install T=x86_64-native-linuxapp-gcc chdir={{ dpdk_dir }}
+  when: (dpdk_build_status.stat.isdir is not defined) or
+        (dpdk_rebuild is defined) or
+        dpdk_config_change.changed or dpdk_changed.changed
+
+- name: Get dpdk interface device name
+  command: echo "{{ compu_sys_mappings['tenant']['interface'] }}"
+  register: dpdk_device_name
+  when: compu_sys_mappings["tenant"]["type"] == "dpdk"
+
+- debug:
+    msg: "{{ dpdk_device_name }}"
+
+- name: Create DPDK scripts
+  template:
+    src: "templates/{{ item.name }}.j2"
+    dest: "/root/{{ item.name }}"
+    mode: 0755
+  with_items:
+    - name: dpdk_uio.sh
+      dpdk_build: '{{ dpdk_build }}'
+      dpdk_dir: '{{ dpdk_dir }}'
+      device_name: '{{ dpdk_device_name.stdout | default("eth2") }}'
+    - name: dpdk_vfio.sh
+      dpdk_build: '{{ dpdk_build }}'
+      dpdk_dir: '{{ dpdk_dir }}'
+      device_name: '{{ dpdk_device_name.stdout | default("eth2") }}'
diff --git a/plugins/dpdk/roles/ins_dpdk/tasks/hugepages.yml b/plugins/dpdk/roles/ins_dpdk/tasks/hugepages.yml
new file mode 100644
index 00000000..3f41cf03
--- /dev/null
+++ b/plugins/dpdk/roles/ins_dpdk/tasks/hugepages.yml
@@ -0,0 +1,45 @@
+# #############################################################################
+# Copyright (c) 2017 HUAWEI TECHNOLOGIES CO.,LTD and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+# #############################################################################
+---
+# yamllint disable rule:truthy
+- name: Check hugepages
+  shell: grep -q intel_iommu /etc/default/grub
+  register: check_result
+  ignore_errors: True
+# yamllint enable rule:truthy
+
+- name: Config grub
+  lineinfile:
+    dest: /etc/default/grub
+    regexp: '^GRUB_CMDLINE_LINUX_DEFAULT=""'
+    line: "{{ grub_cmdline }}"
+    state: present
+  when: check_result.rc == 1
+
+- name: Update grub
+  shell: update-grub
+  when: check_result.rc == 1
+
+- name: wait a moment
+  command: sleep 5
+  when: check_result.rc == 1
+
+- name: Reboot
+  shell: sleep 2 && shutdown -r now 'Reboot required'
+  become: true
+  async: 1
+  poll: 0
+  when: check_result.rc == 1
+  ignore_errors: true
+
+- name: Wait for reboot
+  local_action:
+    module: wait_for
+      host={{ ansible_eth0.ipv4.address }} port=22 delay=1 timeout=300
+  when: check_result.rc == 1
diff --git a/plugins/dpdk/roles/ins_dpdk/tasks/main.yml b/plugins/dpdk/roles/ins_dpdk/tasks/main.yml
new file mode 100644
index 00000000..923dc3b4
--- /dev/null
+++ b/plugins/dpdk/roles/ins_dpdk/tasks/main.yml
@@ -0,0 +1,14 @@
+##############################################################################
+# Copyright (c) 2016-2017 HUAWEI TECHNOLOGIES CO.,LTD and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+---
+- include: hugepages.yml
+  when: dpdk is defined and dpdk == "Enable"
+
+- include: dpdk.yml
+  when: dpdk is defined and dpdk == "Enable"
diff --git a/plugins/dpdk/roles/ins_dpdk/templates/dpdk_uio.sh.j2 b/plugins/dpdk/roles/ins_dpdk/templates/dpdk_uio.sh.j2
new file mode 100644
index 00000000..560d30ca
--- /dev/null
+++ b/plugins/dpdk/roles/ins_dpdk/templates/dpdk_uio.sh.j2
@@ -0,0 +1,9 @@
+#!/bin/bash
+ifdown {{ item.device_name }}
+modprobe uio
+lsmod |grep igb_uio
+if [ $? == 0 ];then
+    rmmod igb_uio
+fi
+insmod {{ item.dpdk_build }}/kmod/igb_uio.ko
+{{ item.dpdk_dir }}/tools/dpdk-devbind.py --bind=igb_uio {{ item.device_name }}
diff --git a/plugins/dpdk/roles/ins_dpdk/templates/dpdk_vfio.sh.j2 b/plugins/dpdk/roles/ins_dpdk/templates/dpdk_vfio.sh.j2
new file mode 100644
index 00000000..58839342
--- /dev/null
+++ b/plugins/dpdk/roles/ins_dpdk/templates/dpdk_vfio.sh.j2
@@ -0,0 +1,6 @@
+#!/bin/bash
+ifdown {{ item.device_name }}
+modprobe vfio-pci
+chmod a+x /dev/vfio
+chmod 0666 /dev/vfio/*
+{{ item.dpdk_dir }}/tools/dpdk-devbind.py --bind=vfio-pci {{ item.device_name }}
diff --git a/plugins/dpdk/roles/ins_dpdk/vars/main.yml b/plugins/dpdk/roles/ins_dpdk/vars/main.yml
new file mode 100644
index 00000000..87e1026c
--- /dev/null
+++ b/plugins/dpdk/roles/ins_dpdk/vars/main.yml
@@ -0,0 +1,17 @@
+##############################################################################
+# Copyright (c) 2016-2017 HUAWEI TECHNOLOGIES CO.,LTD and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+---
+# yamllint disable rule:line-length
+grub_cmdline: GRUB_CMDLINE_LINUX_DEFAULT="hugepagesz=2M hugepages=2048 iommu=pt intel_iommu=on isolcpus=1,2"
+# yamllint enable rule:line-length
+
+dpdk_dir: /root/dpdk
+dpdk_build: '{{ dpdk_dir }}/x86_64-native-linuxapp-gcc'
+dpdk_repo: https://github.com/dpdk/dpdk.git
+dpdk_version: v16.11