Kolla-Ansible 多机部署 V 版 OpenStack
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测试环境搭建

之前把本地镜像仓库、OpenStack、Jaeger 全都放在了一台主机上跑，负载很大，而且也不保险。现在拆分为 2 台主机：

  1. 部署节点（Kolla-Ansible）
    • Ubuntu 20.04
    • 4 CPU
    • 内存 16 GB
    • 硬盘 500 GB
    • 网卡1
  2. 控制节点（OpenStack）
    • Ubuntu 20.04
    • 4 CPU
    • 内存 16 GB
    • 硬盘 500 GB
    • 网卡1
    • 网卡2（未启用）

在部署节点用 multinode 配置远程部署 OpenStack，虽然这里只有一台 OpenStack 主机😂

控制节点

控制节点只需给用户配置 sudo 权限

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# 添加用户
sudo vim /etc/sudoers
##includedir /etc/sudoers.d
#op1 ALL=(ALL) NOPASSWD: ALL

Prior to Queens, when users want to connect using non-root user, they must add extra option ansible_become=True which is inconvenient and add security risk. In Queens, almost all services have support for escalation for only necessary tasks. In Rocky, all services have this capability, so users do not need to add ansible_become option if connection user has passwordless sudo capability.

部署节点

环境准备

  1. 配置 Python3

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    # 设为默认
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.8 1
#sudo update-alternatives --remove python /usr/bin/python3.8

# 安装 pip
sudo apt install -y python3-pip
  2. 更换 pip 源

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    # 创建文件夹
mkdir .pip && cd .pip

# 创建并编辑配置文件
sudo vim pip.conf

    配置如下

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    [global]
timeout = 6000
index-url = http://mirrors.aliyun.com/pypi/simple/
trusted-host = mirrors.aliyun.com
  3. 更换 Ubuntu 源

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    # 备份
sudo mv /etc/apt/sources.list /etc/apt/sources.list.bk

# 设置镜像源
sudo vim /etc/apt/sources.list

# 更新源
sudo apt update

# 升级
sudo apt dist-upgrade -y

# 重启
sudo reboot

    镜像源配置如下：

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    # 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
  4. 配置免密登录

    添加域名解析 /etc/hosts

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    # local
10.111.1.125 controller
 
# openstack
10.111.1.250 openstack01

    生成密钥并拷贝到目标主机

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    ssh-keygen
ssh-copy-id -i /home/jck/.ssh/id_rsa.pub op1@openstack01
  5. 安装依赖

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    # 更新源
sudo apt update

# 安装 Python 构建依赖
sudo apt install python3-dev libffi-dev gcc libssl-dev -y

    安装 venv，创建并使用虚拟环境

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    # 安装 venv
sudo apt install python3-venv -y

# 创建虚拟环境
mkdir code
python -m venv ~/code

# 激活虚拟环境
source ~/code/bin/activate
  6. 安装 Kolla-Ansible，指定 Victoria 版本

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    # 安装 Ansible
pip install -U pip
pip install 'ansible<3.0'
pip install kolla-ansible
pip install kolla

# 下载源码
#pip install 'ansible<2.10'
#git clone https://github.com/openstack/kolla -b stable/victoria
#git clone https://github.com/openstack/kolla-ansible -b stable/victoria
# 安装
#pip install ./kolla
#pip install ./kolla-ansible

# 创建目录
sudo mkdir -p /etc/kolla

# 权限设置
sudo chown $USER:$USER /etc/kolla

# 拷贝配置文件
#cp -r kolla-ansible/etc/kolla/* /etc/kolla
#cp kolla-ansible/ansible/inventory/* .
cp -r /home/jck/code/share/kolla-ansible/etc_examples/kolla/* /etc/kolla
cp /home/jck/code/share/kolla-ansible/ansible/inventory/* .
  7. 配置 Ansible

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    # 创建
sudo mkdir /etc/ansible
sudo vim /etc/ansible/ansible.cfg

    配置如下

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    [defaults]
host_key_checking=False
pipelining=True
forks=100
  8. 安装 Docker 和 docker-compose

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    # docker
sudo apt-get update
sudo apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg \
    lsb-release
 
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
 
echo \
  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
   
sudo apt-get update
sudo apt-get install -y docker-ce docker-ce-cli containerd.io
 
# 用户组设置
sudo groupadd docker
sudo usermod -aG docker $USER
newgrp docker
 
# 开机启动
sudo systemctl enable docker.service
sudo systemctl enable containerd.service
 
# docker-compose
sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
 
sudo chmod +x /usr/local/bin/docker-compose

    创建配置文件 /etc/docker/daemon.json，设置国内镜像源

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    {
    "registry-mirrors": [
        "http://hub-mirror.c.163.com"
    ],
    "insecure-registries": [
        "10.111.1.125:5000" # 指向之后部署的本地镜像仓库
    ],
    "iptables": false,
    "log-opts": {
        "max-file": "5",
        "max-size": "50m"
    }
}

    重启 docker 服务

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    sudo service docker restart

registry + registry-ui

直接使用 Joxit/docker-registry-ui 仓库的示例配置，在本地部署 registry 和 registry-ui

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# 克隆仓库
git clone https://github.com/Joxit/docker-registry-ui.git
cd docker-registry-ui/examples/ui-as-standalone

# 修改配置 localhost -> 10.111.1.125
vim simple.yml

# 修改配置 Access-Control-Allow-Origin: ['*']
vim registry-config/simple.yml

# 运行容器
docker-compose -f simple.yml up -d

PS：用完之后才发现完全可以搭个 harbor 用…

构建基础镜像

编写 ubuntu 20.04 基础镜像 Dockerfile，替换 source 源和 pip 源，

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FROM ubuntu:20.04

ADD pip.conf /etc/pip.conf
ADD sources.list /etc/apt/sources.list
RUN apt-get update

替换 pip 源（pip.conf）

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[global]
timeout = 6000
index-url = http://mirrors.aliyun.com/pypi/simple/
trusted-host = mirrors.aliyun.com

替换 sources.list，注意这里写的是 http

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# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse

构建镜像并发布到 dockerhub

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# 构建镜像，--network=host 避免域名解析错误
docker build --network=host -t lycanj/kolla_ansible-base_image-ubuntu:20.04 .

# 登录 dockerhub
docker login

# 上传到 dockerhub
docker push lycanj/kolla_ansible-base_image-ubuntu:20.04

构建组件镜像

下载 Victoria 组件源码

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git clone https://github.com/openstack/keystone.git --branch stable/victoria --single-branch
git clone https://github.com/openstack/glance.git --branch stable/victoria --single-branch
git clone https://github.com/openstack/nova.git --branch stable/victoria --single-branch
git clone https://github.com/openstack/neutron.git --branch stable/victoria --single-branch
git clone https://github.com/openstack/heat.git --branch stable/victoria --single-branch

使用 kolla-build 生成镜像，并 push 到本地仓库。下载 kolla 仓库并使用 tox 生成配置文件。

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# 克隆仓库
git clone https://github.com/openstack/kolla.git --branch stable/victoria

# 安装 tox（虚拟环境中）
pip install tox

# 生成配置文件
cd kolla
tox -e genconfig

# 修改配置文件
vim kolla/etc/kolla/kolla-build.conf

修改配置文件，内容如下：

  • 指定基础 ubuntu 镜像
  • 使用源码构建镜像

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[DEFAULT]
# The distro type of the base image. (string value)
# Possible values:
# centos - <No description provided>
# rhel - <No description provided>
# ubuntu - <No description provided>
# debian - <No description provided>
base = ubuntu

# The base image name. Default is the same with base. (string value)
base_image = lycanj/kolla_ansible-base_image-ubuntu

# The Docker namespace name (string value)
#namespace = kolla

# The network mode for Docker build. Example: host (string value)
network_mode = host

# Push images after building (boolean value)
push = true

# The docker registry host. The default registry host is Docker Hub
# (string value)
registry = 10.111.1.125:5000

# The method of the OpenStack install. (string value)
# Possible values:
# binary - <No description provided>
# source - <No description provided>
# rdo - <No description provided>
# rhos - <No description provided>
install_type = source

# The Docker tag (string value)
tag = victoria

# OpenStack release for building kolla-toolbox (string value)
openstack_release = victoria

# Branch for source images (string value)
openstack_branch = victoria-stable

# Content of the maintainer label (string value)
#maintainer = Kolla Project (https://launchpad.net/kolla)

# Path to custom sources.list (string value)
#apt_sources_list = <None>

[keystone-base]
# Source location type (string value)
# Possible values:
# local - <No description provided>
# git - <No description provided>
# url - <No description provided>
type = local

# The location for source install (string value)
location = /home/jck/keystone

[glance-base]
type = local
location = /home/jck/glance

[nova-base]
type = local
location = /home/jck/nova

[neutron-base]
type = local
location = /home/jck/neutron

[heat-base]
type = local
location = /home/jck/heat

然后指定该配置文件构建镜像

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kolla-build --config-file ~/kolla/etc/kolla/kolla-build.conf

部署 OpenStack

修改 multinode 配置，编辑最前面的几项，将目标主机设置为 openstack01

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[control]
openstack01       ansible_user=op1

[network]
openstack01       ansible_user=op1

[compute]
openstack01       ansible_user=op1

[monitoring]
openstack01       ansible_user=op1

[storage]
openstack01       ansible_user=op1

[deployment]
localhost       ansible_connection=local

测试是否可达

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ansible -i ~/multinode all -m ping

参照原始的配置编写精简配置（只设置用到的选项）

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# 生成的示例配置文件
/etc/kolla/globals.yml

# 创建精简配置文件
vim ~/globals.yml

内容如下：

  • 指定使用源码构建的镜像 openstack_tag=victoria

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# Valid options are ['centos', 'debian', 'rhel', 'ubuntu']
kolla_base_distro: "ubuntu"

# Valid options are [ binary, source ]
kolla_install_type: "source"

# Do not override this unless you know what you are doing.
openstack_release: "victoria"

# Docker image tag used by default.
openstack_tag: "victoria"

# This should be a VIP, an unused IP on your network that will float between
# the hosts running keepalived for high-availability. If you want to run an
# All-In-One without haproxy and keepalived, you can set enable_haproxy to no
# in "OpenStack options" section, and set this value to the IP of your
# 'network_interface' as set in the Networking section below.
kolla_internal_vip_address: "10.111.1.251" # 和 network_interface 同网段

# Custom docker registry settings:
docker_registry: 10.111.1.125:5000

# Namespace of images:
#docker_namespace: "kolla"

# This interface is what all your api services will be bound to by default.
# Additionally, all vxlan/tunnel and storage network traffic will go over this
# interface by default. This interface must contain an IP address.
# It is possible for hosts to have non-matching names of interfaces - these can
# be set in an inventory file per host or per group or stored separately, see
#     http://docs.ansible.com/ansible/intro_inventory.html
# Yet another way to workaround the naming problem is to create a bond for the
# interface on all hosts and give the bond name here. Similar strategy can be
# followed for other types of interfaces.
network_interface: "ens160"

# This is the raw interface given to neutron as its external network port. Even
# though an IP address can exist on this interface, it will be unusable in most
# configurations. It is recommended this interface not be configured with any IP
# addresses for that reason.
neutron_external_interface: "ens192" # 空闲网卡

# Valid options are [ qemu, kvm, vmware ]
nova_compute_virt_type: "qemu"

生成随机密码，并拷贝到当前目录

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# 生成密码
kolla-genpwd

# 拷贝
cp /etc/kolla/passwords.yml ~/passwords.yml

部署 OpenStack

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# bootstrap
kolla-ansible -i ~/multinode --configdir ~ bootstrap-servers

# 检查
kolla-ansible -i ~/multinode --configdir ~ prechecks

# 拉取镜像
# kolla-ansible -i ~/multinode --configdir ~ pull

# 部署
kolla-ansible -i ~/multinode --configdir ~ deploy
# kolla-ansible -i ~/multinode --configdir ~ reconfigure

# 部署失败
kolla-ansible -i ~/multinode --configdir ~ destroy --yes-i-really-really-mean-it

验证

在部署节点上执行以下指令，生成身份认证文件

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# 安装 OpenStack CLI 客户端
pip install python-openstackclient

# 生成认证文件
kolla-ansible -i ~/multinode --configdir ~ post-deploy

# 身份认证
. ~/admin-openrc.sh

使用 Kolla-Ansible 自带的脚本测试

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# 执行脚本生成示例网络、镜像、实例等
~/code/share/kolla-ansible/init-runonce

# 创建实例
openstack server create \
    --image cirros \
    --flavor m1.tiny \
    --key-name mykey \
    --network demo-net \
    demo1

# 确认实例状态
openstack server list

直接访问 http://10.111.1.250 可以看到刚才创建的实例所占用的资源

  • 用户名密码查看 admin-openrc.sh 文件即可

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