Summary of all contents of cloud computing setup to ensure that a complete cloud computing server can be built, including node installation, instance allocation, network configuration, etc

One 、 Linux Installation （ There is no introduction here ）

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Two 、 Control node installation configuration

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1、OpenStack Basic environment installation configuration

①、 Stop disabling NetworkManager
②、 Enable network And set it to start automatically
③、 Stop disabling firewall（ A firewall ）
④、etc/sysconfig/network-scripts/ifcfg-ens33 Static networks 、 Gateway configuration, etc
⑤、IP Establish a relationship with the domain name （hosts）

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2、MariaDB Installation configuration

①、 install mariadb database
②、 Set up MariaDB Boot from boot
③、 start-up mariadb
④、 Set up mariadb Service security , Authorization database password root（%、localhost、tsw01） （ password ：root）

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3、NoSQL Installation configuration

①、 install Redis And set it to start 、 Boot from boot
②、 install Memcached
edit /etc/sysconfig/Memcached
Set to start , Boot from boot

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4、RabbitMQ Installation configuration

①、 Install the Message Queuing service （rabbitmq-server）
②、 Set up rabbitmq Boot up automatically
③、 start-up rabbitmq service
④、 add to openstack user
⑤、 to grant authorization openstack user （ To configure 、 write in 、 Read ）
⑥、 View listening port rabbitmq Default port 5672
⑦、 see RabbitMQ plug-in unit
⑧、 open RabbitMQ plug-in unit （ Be careful ： Some computers here do not support opening all plug-ins , Opening it all will cause the following rabbitmq Service startup failed , In case of startup failure, uninstall rabbitmq service , Clean components , See which components , Open some components ）
⑨、 see RabbitMQ state 15672, Browser query ：http://192.168.253.131:15672

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5、 Identity Authentication Keystone Installation configuration

①、 Download and install openstack repositories （queens edition
②、 establish keystone Database and authorize （%、localhost、tsw01）
③、 install 、 Configuration components , Generate random values as administrator tokens openssl rand -hex 10
④、 Initialize database
⑤、 initialization Fernet Keystore to generate token
⑥、 Yes Keystone application Bootstrap The framework performs initialization Guide identity authentication service
⑦、 To configure Apache HTTP The server
edit /etc/httpd/conf/httpd.conf file , To configure ServerName Options , Point to the control node
Create one to /usr/share/keystone/wsgi-keystone.conf File link file Turn on httpd Service and set up httpd Service starts automatically Set the environment variable , Configure the administrator account notes ： After successful installation, there are three types of verification , Law 1 ： Browser input IP An interface appears for the address 、 Law two ： Browser access IP Of 5000 port 、 Law three ：openstack user list appear ID and Name(admin)

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6、glance Installation configuration

①、 install openstack-glance
②、 establish glance Database and authorize
③、 Use the database access client to connect to the database server as a user ：root
Create user glance（openstack user create --domain default --password-prompt glance）
Add roles to users and projects ：admin-glance-service（openstack role add --project service --user glance admin）
Create a service entity ：glance（openstack service create --name glance --description “OpenStack Image” image）
④ Create an image service API Terminal nodes （openstack endpoint create --region RegionOne image public http://192.168.253.131:9292）
⑤、 Edit the file and do the following ：/etc/glance/glance-api.conf
⑥、 Edit the file and do the following ：/etc/glance/glance-registry.conf
⑦、 Fill in the imaging services database
⑧、 start-up openstack-glance-api openstack-glance-registry Service and set to power on
Be careful ：glance-api The service cannot be started because of the default permissions , Default root Authority changed to glance Permissions can be

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7、 Install and configure the controller node with the code nova Computing service installation configuration

①、 Use the database access client to connect to the database server as a user ：root
②、 Create and authorize nova_api nova nova_cell placement database （%、localhost、tsw01）
③、 Create computing service credentials
Create user ：nova、placement
Add roles to users ： nova-admin
Create a service entity ：nova 、placement
④、 Create calculation API Service endpoint http://192.168.253.131:8774/v2.1
Create a placement service user using the following options that you select ：PLACEMENT_PASS
take Placement Users are added to the service item with administrator role
Create a place in the service directory API entry
Create placement API Service terminal node http://192.168.253.131:8778
⑤、 install openstack-nova-api openstack-nova-conductor openstack-nova-console openstack-nova-novncproxy openstack-nova-scheduler openstack-nova-placement-api software package
⑥、 Edit the file and do the following ：/etc/nova/nova.conf And restart httpd service
Fill the database ：nova-api
Register database ：cell0
Create cells ：cell1
fill nova database ：
verification nova Cell 0 And cells 1 Whether it has been registered correctly ：（nova-manage cell_v2 list_cells）
⑦、 Start the computing service openstack-nova-api openstack-nova-consoleauth openstack-nova-scheduler openstack-nova-conductor openstack-nova-novncproxy And configure it to start when the system starts

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8、 Install and configure controller nodes

①、 establish neutron Database and complete the corresponding authorization
②、 To create service credentials , Create user ：neutron、 Add roles to users ：admin-neutron、 Create a service entity ：neutron
③、 Create Web Services API endpoints ,http://192.168.253.131:9696
④、 Network options 2： Self service network ：
Installation of components ：openstack-neutron openstack-neutron-ml2
openstack-neutron-linuxbridge ebtables
⑤、 Configure server components ： Edit the file and do the following ：/etc/neutron/neutron.conf
⑥、 Configuration modularization section 2 layer （ML2） plug-in unit ： Edit the file and do the following ：/etc/neutron/plugins/ml2/ml2_conf.ini
⑦、 To configure Linux Bridge agent ：/etc/neutron/plugins/ml2/linuxbridge_agent.ini
⑧、 Configure the 3 Layer of the agent ：/etc/neutron/l3_agent.ini
⑨、 To configure DHCP agent ：/etc/neutron/dhcp_agent.ini
Configure metadata proxy ： Edit the file and complete the following **
do ：/etc/neutron/metadata_agent.ini Configure computing services to use network services ： Edit the file and do the following ：/etc/nova/nova.conf Complete the installation ： Network service initialization script needs a point to ML2 Plug in profile The symbolic link . If this symbolic link does not exist , Use the following command to create it ：/etc/neutron/plugin.ini/etc/neutron/plugins/ml2/ml2_conf.ini Fill the database Restart the calculation API service Start the network service and configure it to start when the system starts

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3、 ... and 、 Control node installation configuration （ Get a new virtual machine , Basic configuration has been completed ）

  Open the control node and compute node virtual machines 

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1、 Install and configure the code on the calculator node nova Computing service installation configuration

①、 install openstack-nova-compute software package
②、 Edit the file and do the following ：/etc/nova/nova.conf
③、 Determine whether the computing node supports hardware acceleration of virtual machines , Editing is not supported /etc/nova/nova.conf in [libvirt]
④、 start-up libvirtd and openstack-nova-compute Computing services （ Include its dependencies ）, And configure it to start automatically when the system starts
⑤、 Add a calculation node to the cell database , Obtain administrator credentials to enable administrator only CLI command , Then confirm that the computing host exists in the database （ The control node ）

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2、 Install and configure compute nodes

①、 Installation of components
②、 Configure common components
Edit the file and do the following ：/etc/neutron/neutron.conf
③、 Configure network options
To configure Linux Bridge agent
Edit the file and do the following ：/etc/neutron/plugins/ml2/linuxbridge_agent.ini
④、 Verify that all of the following values are set to ：, Make sure your Linux The operating system kernel supports bridge filters ：sysctl1
⑤、 Configure computing services to use network services ： Edit the file and do the following ：/etc/nova/nova.conf
⑥、 Complete the installation （ Restart the computing service 、 start-up Linux Bridge the agent and configure it to start when the system boots ）

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Four 、 Browser input http://192.168.253.136/dashboard And use demo The user login

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1、 Create a virtual machine instance

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2、dashboard Installation configuration

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3、 The cloud platform virtual machine realizes the internal and external network connectivity

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4、 Browser input http://192.168.253.136/dashboard And use demo The user login

1、 Sign in admin The user deletes the built-in image and creates a new one New mirror image
Delete the original image , This image is generally used as a test , create mirror
2、 Create a key pair
Sign in demo User creates key pair notes ：demo The user's image sharing has just admin Of , But no private key , At this time, we need to re-establish the private key
Each time a new key pair is created, a .pem file , Well preserved
3、 Configure security groups , add to ssh The rules
4、 Download Image to prevent desktop , Prepare for later use
5、 Create a virtual machine instance , Choose a mirror image
6、dashboard Installation configuration （ The integrated installation used here dashboard, It is configured by default during installation , Therefore, there is no need to configure ）
7、 The cloud platform virtual machine realizes the internal and external network connectivity