openstack to learn more
Introduction to OpenStack Cloud Computing
(1) Service types of cloud computing
IAAS: Infrastructure as a service, such as cloud hosts;
PAAS: Platform as a Service, e.g. docker;
SAAS: Software as a Service, e.g., Purchase Enterprise Mailbox, CDN;
Posted by Bricktop on Sat, 16 May 2020 18:17:01 -0700
1. Glasce Architecture
The glass architecture is shown in Fig. 1-1.Figure 1-1 Architecture of glassFigure 1-2 Grace schema diagram in the official open stack document1) Mirror service components:Glance-api: is an external API interface that can accept external API mirroring requests.REST Request is mainly used to analyze, distribute, respond t ...
Posted by NevadaSam on Wed, 15 Apr 2020 17:20:23 -0700
1. Environmental information:Three CentOS 7.6 virtual machines are built by using VMware Workstation in this environmentNode architecture: 1 controller node, 1 compute node, 1 cinder block storage node.The hardware configuration information is as follows:
Node name ----------- CPU ----- memory ----- operating system ----- disk controller node ...
Posted by chuckym7 on Wed, 25 Mar 2020 20:29:59 -0700
First: The theoretical basis of CEPH
1.2: Related concepts
1.3: No central architecture at all
2: Deploy CEPH cluster
2.1: Deploying a CEPH environment
2.2: CEPH cluster building
2.3: CEPH Cluster Management Page Installation
3: docking between CEPH and ope ...
Posted by KevMull on Sun, 08 Mar 2020 18:23:40 -0700
1. Create keystone database and authorize
[root@controller ~]# mysql -uroot
CREATE DATABASE keystone;
GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'KEYSTONE_DBPASS';
GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' IDENTIFIED BY 'KEYSTONE_DBPASS';
2. Install ke ...
Posted by will_1990 on Sat, 11 Jan 2020 07:16:16 -0800
1: rbd introduction
A block is a sequence of bytes (for example, a 512 byte block of data). Block based storage interface is the most commonly used method to store data using rotating media (such as hard disk, CD, floppy disk or even traditional 9-track tape). The ubiquitous block device interface makes the virtual block device an ideal candi ...
Posted by lynosull on Thu, 19 Dec 2019 03:21:43 -0800
Operation and maintenance development is based on the blue whale of Iaas, using python as the development language, combining angularJS+django framework, mysql as the database.
Step 1: get the framework template (system get from Blue whale smart cloud Enterprise Edition -->Developer Center > template acquisition)
Step 2 ...
Posted by btherl on Sun, 15 Dec 2019 12:23:31 -0800
1. View openstack version
2. View nodes
3. View calculation nodes
4. View the virtual machines on the computing node
nova hypervisor-servers compute1
5. View the list of virtual machines
6. View the image list
7. View volume list
8. View ...
Posted by xdracox on Sun, 08 Dec 2019 03:03:44 -0800
ClientException: Unknown Error (HTTP 503) (Request-ID: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b)
ERROR (ClientException): Unknown Error (HTTP 503) (Request-ID: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b)
Use debug to view the error message:
nova --debug list
DEBUG (extension:157) found extension EntryPoint.parse('v2token = keys ...
Posted by ffsja on Wed, 27 Nov 2019 11:48:58 -0800
This blog will introduce the UI operation of the stack in openstack
First, put the required files on the http service
[root@controller xiandian]# pwd
[root@controller xiandian]# ls
lb-server.yaml nginx_flat.yaml nginx.yaml openrc.sh
[root@controller xiandian]# cp nginx* /var/www/html/
[root@controller xiandian]# ...
Posted by danboy712 on Mon, 11 Nov 2019 08:31:54 -0800