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安装openstack单节点

配置阿里yum镜像源

rm -f /etc/yum.repos.d/*

关闭防火墙

systemctl disable firewalld --now

关闭selinux

setenforce 0
sed -i "s#SELINUX=enforcing#SELINUX=disabled#g" /etc/selinux/config

关闭NetworkManager服务

systemctl disable NetworkManager --now

安装依赖

yum update -y
yum install python3-devel libffi-devel gcc openssl-devel python3-libselinux python3-pip ansible -y

配置pip源与代理

proxy=http://xxx.xxx.xxx.xxx:8080替换为实际代理，如不需代理删除该配置项

mkdir ~/.pip
cat >> ~/.pip/pip.conf <<EOF
[global] 
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
proxy=http://xxx.xxx.xxx.xxx:8080
[install]
trusted-host = pypi.tuna.tsinghua.edu.cn
EOF

安装kolla-ansible

pip3 install -U pip
pip3 install kolla-ansible

安装docker

yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
yum -y install docker-ce
systemctl enable docker --now

配置镜像加速

yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
yum -y install docker-ce
systemctl enable docker --now

拷贝配置

mkdir -p /etc/kolla
cp -r /usr/local/share/kolla-ansible/etc_examples/kolla/* /etc/kolla
cp /usr/local/share/kolla-ansible/ansible/inventory/* /etc/kolla

修改hostname添加解析

hostnamectl set-hostname kolla
echo '192.168.1.6    kolla' >> /etc/hosts

调整配置

  • 生成/etc/kolla/passwords.yml配置项密码

    /usr/local/bin/kolla-genpwd

  • 修改keystone_admin_password值

    vi /etc/kolla/passwords.yml

找到keystone_admin_password，替换值为Admin@123

  • 调整网络配置

em1为宿主机网卡名称

sed -i "s;#network_interface: "eth0";network_interface: "em1";g" /etc/kolla/globals.yml 
sed -i "s;#enable_haproxy: \"yes\";enable_haproxy: \"no\";g" /etc/kolla/globals.yml

192.168.1.6为宿主机IP

sed -i "s;#kolla_internal_vip_address: \"10.10.10.254\";kolla_internal_vip_address: \"192.168.1.6\";g" /etc/kolla/globals.yml

克隆

git clone https://opendev.org/openstack/openstack-ansible

新增yum源

openstack-train.repo

cat > /etc/yum.repos.d/openstack-train.repo <<EOF
[openstack-train]
name=openstack-train
baseurl=https://mirrors.aliyun.com/centos/7/cloud/x86_64/openstack-train/
enabled=1
gpgcheck=0
EOF

kvm-common.repo

cat > /etc/yum.repos.d/kvm-common.repo <<EOF
[kvm-common]
name=kvm-common
baseurl=https://mirrors.aliyun.com/centos/7/virt/x86_64/kvm-common/
enabled=1
gpgcheck=0
EOF

配置yum代理

适用于主机通过代理访问互联网场景

以下变量注意替换

重建yum缓存

yum clean all
yum makecache

安装OpenStack-packstack软件包

yum -y install openstack-packstack

回退leatherman版本

yum downgrade leatherman -y

生成默认配置

packstack --gen-answer-file=~/openstack.txt

修改~/openstack.txt配置

修改内容如下

sed -i "s#CONFIG_SWIFT_INSTALL=y#CONFIG_SWIFT_INSTALL=n#g" ~/openstack.txt
sed -i "s#CONFIG_AODH_INSTALL=y#CONFIG_AODH_INSTALL=n#g" ~/openstack.txt
sed -i "s#CONFIG_NEUTRON_ML2_TYPE_DRIVERS=geneve,flat#CONFIG_NEUTRON_ML2_TYPE_DRIVERS=vxlan,flat#g" ~/openstack.txt
sed -i "s#CONFIG_NEUTRON_ML2_TENANT_NETWORK_TYPES=geneve#CONFIG_NEUTRON_ML2_TENANT_NETWORK_TYPES=vxlan#g" ~/openstack.txt
sed -i "s#CONFIG_NEUTRON_ML2_MECHANISM_DRIVERS=ovn#CONFIG_NEUTRON_ML2_MECHANISM_DRIVERS=openvswitch#g" ~/openstack.txt

手动修改项

CONFIG_COMPUTE_HOSTS=192.168.19 #计算节点ip地址 
CONFIG_NEUTRON_ML2_FLAT_NETWORKS=physnet1      #flat网络这边要设置物理网卡名字
CONFIG_NEUTRON_L2_AGENT=openvswitch            #L2网络的代理模式,也可选择linuxbridge
CONFIG_NEUTRON_OVS_BRIDGE_MAPPINGS=physnet1:br-ex    #这边要设置物理网卡的名字
CONFIG_NEUTRON_OVS_BRIDGE_IFACES=br-ex:eth0          #这边br-ex:eth0是网络节点的nat网卡，到时候安装完毕之后IP地址会飘到这个上

更改主机密码（123456需要替换）

sed -i -r 's/(.+_PW)=.+/\1=123456/' openstack.txt

备份配置

cp openstack.txt openstack.txt.bak

安装

packstack --answer-file=~/openstack.txt

  • 如出现如下错误

    ... Applying Puppet manifests [ ERROR ] ...

执行以下语句

sed -i "s;#baseurl;baseurl;g" /etc/yum.repos.d/*.repo
sed -i "s;mirrorlist=;#mirrorlist=;g" /etc/yum.repos.d/*.repo
rm -f /etc/yum.repos.d/CentOS-*
rm -f *
rm -rf /var/tmp/packstack/
packstack --allinone

  • 错误二

    ... Error: (pymysql.err.OperationalError) (1045, u"Access denied for user 'nova'@'192.168.1.6' (using password: YES)") (Background on this error at: http://sqlalche.me/e/e3q8) ...

执行以下命令

su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova

获取admin登录口令

[root@localhost ~]# cat keystonerc_admin|grep OS_PASSWORD
    export OS_PASSWORD='ab2529c81120445a'