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[Linux操作系统]从零开始,VPS搭建OpenStack私有云平台的详细指南|vps搭建梯子免费,VPS搭建OpenStack,零基础搭建,VPS上部署OpenStack私有云平台的全面教程

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本文提供了一份从零开始在Linux操作系统上使用VPS搭建OpenStack私有云平台详细指南。首先介绍了VPS的基本概念及其在搭建梯子方面的应用,随后重点讲解了如何在VPS上部署OpenStack,包括环境准备、软件安装、配置调整等步骤。通过该指南,用户可以免费搭建属于自己的OpenStack私有云,提升数据管理和资源利用效率。文章旨在帮助初学者快速上手,实现高效、安全的云平台搭建。

本文目录导读:

  1. 准备工作
  2. 安装和配置基础环境
  3. 安装OpenStack服务
  4. 安装和配置其他OpenStack服务
  5. 验证和测试

在云计算日益普及的今天,OpenStack作为开源云平台的代表,受到了广泛关注和应用,对于许多中小企业和个人开发者来说,利用VPS(虚拟专用服务器)搭建OpenStack私有云平台,不仅能够降低成本,还能提高资源的灵活性和可控性,本文将详细介绍如何在VPS上搭建OpenStack私有云平台,帮助读者从零开始掌握这一技术。

准备工作

1、选择合适的VPS提供商

选择一个可靠的VPS提供商是成功搭建OpenStack的第一步,常见的VPS提供商有DigitalOcean、Vultr、Linode等,建议选择配置较高、网络稳定的VPS,以便后续的部署和运行。

2、准备必要的软件和工具

- 操作系统:推荐使用Ubuntu 20.04 LTS,因为其社区支持较好,且OpenStack兼容性高。

- SSH客户端:用于远程连接VPS。

- 文本编辑器:如Vim或Nano,用于编辑配置文件。

3、获取OpenStack安装包

可以从OpenStack官方下载最新版本的安装包,或者使用包管理工具直接安装。

安装和配置基础环境

1、更新系统

```bash

sudo apt update

sudo apt upgrade -y

```

2、安装必要的依赖包

```bash

sudo apt install python3-pip python3-dev libffi-dev gcc libssl-dev -y

```

3、配置主机名和hosts文件

```bash

sudo hostnamectl set-hostname openstack-controller

sudo nano /etc/hosts

```

在hosts文件中添加:

```

127.0.0.1 localhost

<VPS_IP> openstack-controller

```

安装OpenStack服务

1、安装数据库服务

OpenStack需要数据库来存储配置和数据,通常使用MySQL或MariaDB。

```bash

sudo apt install mariadb-server python3-pymysql -y

sudo mysql_secure_installation

```

按提示完成数据库的安全配置。

2、安装消息队列服务

OpenStack使用RabbitMQ作为消息队列服务。

```bash

sudo apt install rabbitmq-server -y

sudo systemctl enable rabbitmq-server

sudo systemctl staRT rabbitmq-server

```

3、安装Keystone认证服务

Keystone是OpenStack的认证服务,负责用户身份验证和授权。

```bash

sudo apt install keystone apache2 libapache2-mod-wsgi-py3 -y

```

配置Keystone数据库:

```bash

sudo mysql -u root -p

CREATE DATABASE keystone;

GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'your_password';

GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' IDENTIFIED BY 'your_password';

EXIT;

```

编辑Keystone配置文件:

```bash

sudo nano /etc/keystone/keystone.conf

```

[database] 部分,添加:

```

connection = mysql+pymysql://keystone:your_password@localhost/keystone

```

初始化Keystone数据库:

```bash

sudo keystone-manage db_sync

```

配置Apache:

```bash

sudo nano /etc/apache2/sites-available/wsgi-keystone.conf

```

添加以下内容:

```

<VirtualHost *:5000>

ServerName openstack-controller

WSGIDaemonProcess keystone-public processes=5 threads=1 user=keystone group=keystone display-name=%{GROUP}

WSGIScriptAlias / /usr/bin/keystone-wsgi-public

WSGIProcessGroup keystone-public

WSGIApplicationGroup %{GLOBAL}

WSGILogFile /var/log/keystone/keystone.log

WSGIDaemonProcess keystone-admin processes=5 threads=1 user=keystone group=keystone display-name=%{GROUP}

WSGIScriptAlias /admin /usr/bin/keystone-wsgi-admin

WSGIProcessGroup keystone-admin

WSGIApplicationGroup %{GLOBAL}

WSGILogFile /var/log/keystone/keystone.log

<Directory /usr/bin>

Require all granted

</Directory>

</VirtualHost>

```

启用配置并重启Apache:

```bash

sudo ln -s /etc/apache2/sites-available/wsgi-keystone.conf /etc/apache2/sites-enabled

sudo systemctl restart apache2

```

4、创建Keystone用户和角色

```bash

export OS_PROJECT_DOMAIN_NAME=default

export OS_USER_DOMAIN_NAME=default

export OS_PROJECT_NAME=admin

export OS_USERNAME=admin

export OS_PASSWORD=ADMIN_PASS

export OS_AUTH_URL=http://openstack-controller:5000/v3

export OS_IDENTITY_API_VERSION=3

export OS_IMAGE_API_VERSION=2

```

创建服务实体和端点:

```bash

openstack service create --name keystone --description "OpenStack Identity" identity

openstack endpoint create --region RegionOne identity public http://openstack-controller:5000/v3

openstack endpoint create --region RegionOne identity internal http://openstack-controller:5000/v3

openstack endpoint create --region RegionOne identity admin http://openstack-controller:5000/v3

```

安装和配置其他OpenStack服务

1、安装Glance镜像服务

```bash

sudo apt install glance -y

sudo mysql -u root -p

CREATE DATABASE glance;

GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' IDENTIFIED BY 'your_password';

GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' IDENTIFIED BY 'your_password';

EXIT;

```

配置Glance:

```bash

sudo nano /etc/glance/glance-api.conf

```

[database] 部分,添加:

```

connection = mysql+pymysql://glance:your_password@localhost/glance

```

初始化Glance数据库:

```bash

sudo glance-manage db_sync

```

重启Glance服务:

```bash

sudo systemctl restart glance-api

sudo systemctl enable glance-api

```

2、安装Nova计算服务

```bash

sudo apt install nova-api nova-conductor nova-novncproxy nova-scheduler -y

sudo mysql -u root -p

CREATE DATABASE nova;

GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY 'your_password';

GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' IDENTIFIED BY 'your_password';

EXIT;

```

配置Nova:

```bash

sudo nano /etc/nova/nova.conf

```

[database] 部分,添加:

```

connection = mysql+pymysql://nova:your_password@localhost/nova

```

初始化Nova数据库:

```bash

sudo nova-manage db sync

```

重启Nova服务:

```bash

sudo systemctl restart nova-api nova-conductor nova-novncproxy nova-scheduler

sudo systemctl enable nova-api nova-conductor nova-novncproxy nova-scheduler

```

3、安装Neutron网络服务

```bash

sudo apt install neutron-server neutron-plugin-ml2 neutron-linuxbridge-agent neutron-dhcp-agent neutron-metadata-agent -y

sudo mysql -u root -p

CREATE DATABASE neutron;

GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' IDENTIFIED BY 'your_password';

GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'%' IDENTIFIED BY 'your_password';

EXIT;

```

配置Neutron:

```bash

sudo nano /etc/neutron/neutron.conf

```

[database] 部分,添加:

```

connection = mysql+pymysql://neutron:your_password@localhost/neutron

```

初始化Neutron数据库:

```bash

sudo neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head

```

重启Neutron服务:

```bash

sudo systemctl restart neutron-server neutron-linuxbridge-agent neutron-dhcp-agent neutron-metadata-agent

sudo systemctl enable neutron-server neutron-linuxbridge-agent neutron-dhcp-agent neutron-metadata-agent

```

验证和测试

1、验证服务状态

使用以下命令检查各服务的状态:

```bash

sudo systemctl status keystone

sudo systemctl status glance-api

sudo systemctl status nova-api

sudo systemctl status neutron-server

```

2、创建测试实例

通过 Horizon Dashboard 或命令行工具创建一个测试实例,验证OpenStack环境是否搭建成功。

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