CN108055327A - Cloud computing experiment porch based on OpenStack - Google Patents
Cloud computing experiment porch based on OpenStack Download PDFInfo
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- CN108055327A CN108055327A CN201711353012.2A CN201711353012A CN108055327A CN 108055327 A CN108055327 A CN 108055327A CN 201711353012 A CN201711353012 A CN 201711353012A CN 108055327 A CN108055327 A CN 108055327A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The invention discloses the cloud computing experiment porch based on OpenStack, are made of a control node host and multiple calculate node hosts, use 64 servers for supporting CPU virtualization technologies；It is easy to, by increasing the quantity of calculate node come horizontal extension cloud platform, not influence the service provided while cloud system is extended using more piece dot pattern；Platform has planned two networks：Manage network and data network；Wherein, communication of the network for OpenStack components and operating system is managed；Data network is for the application on virtual server；2 virtual machines are mainly run in the control node of cloud platform, are respectively CC and NC；The control service operation of OpenStack starts together in the two virtual machines, and with control node system.
Description
Technical field
The present invention relates to a kind of cloud computing experiment porch based on OpenStack.
Background technology
With the extensive use of development and the cloud service of cloud computing technology, the country has many colleges and universities opening up cloud computing correlation
Course simultaneously, also constructs the scientific experiment teaching platform based on cloud computing, support is provided for course teaching and research and development application.
In 3 kinds of service modes (IaaS, PaaS, SaaS) of cloud computing, since infrastructure services platform IaaS can be according to different
Demand provides the fictitious host computer of different resource type, to meet the needs of cloud computing application is to infrastructure resources, therefore, structure
IaaS cloud platform be for colleges and universities teachers and students provide teaching and scientific research experimental situation and calculate service basis and to these cloud resources into
The real needs that row effectively manages.
OpenStack is the IaaS cloud platform framework of increasing income of mainstream, had been extensively examined and had obtained recognizing for many producers
Can, therefore as the first choice of colleges and universities' structure experimental teaching cloud platform.
The content of the invention
Based on the above problem, the present invention is based on the cloud computings that OpenStack frameworks have built teaching-oriented and scientific experiment
Platform realizes resource-sharing, the elastic calculation service of distribution according to need, reality is provided for course teaching, scientific research and engineering application and development
Test support.
In order to solve the above technical problems, the present invention is achieved by the following scheme：
Cloud computing experiment porch be for teaching, scientific research provide experimental situation and displaying service system, it is desirable that can according to
The demand at family quickly creates experimental situation, provides application and development and environmental management service.
To meet scientific research and requirement of the engineering project experiment to big data treatment technology, which should also provide big data should
With environment, distributed data processing and storage are realized.It is solved using " IBM OpenStack Solution for System X "
Scheme carries out cloud platform modularization, automation installs and deploys, and the operation conditions of cloud platform is monitored in real time.
The cloud computing experiment porch based on OpenStack of the present invention, by a control node host and multiple calculating
Node host forms, and uses 64 servers for supporting CPU virtualization technologies；It is easy to calculate by increasing using more piece dot pattern
The quantity of node carrys out horizontal extension cloud platform, does not influence the service provided while cloud system is extended；
Platform has planned two networks:Manage network and data network；Wherein, manage network and be used for OpenStack components
With the communication of operating system；Data network is for the application on virtual server.Therefore, server divides at least there are two network interface
Network and data network Yong Yu not managed.It is high to memory requirement since cloud platform is mainly used for course and scientific experiment displaying,
Therefore storage mode uses server local hard disk.
2 virtual machines are mainly run in the control node of cloud platform, are respectively CC (Cloud Controller, cloud control
Device) and NC (Network Controller, network controller)；The control service operation of OpenStack is in the two virtual machines
In, and start together with control node system.
The advantage that control service is run with virtual machine is:It is easy to the resource that adjustment service needs；Control service can pass through
Snapshot is backed up；When virtual machine damages, it is easily exchanged and repairs；When physical machine is replaced and safeguarded, it is easy to control
Uniform business moves to other physical hosts.In addition, computing resource idle in control node can also run other as needed
Virtual machine, such as the virtual machine of operation cluster management and configuration software, the virtual machine for running fast fixing tool.In cloud platform
Calculate node mainly runs the virtual machine of OpenStack establishments, and distributes network for virtual machine, and the memory space of calculate node is also
Perishability storage can be provided for virtual machine.
1.2 cloud platform architecture designs
OpenStack is an architecture cloud open source projects, for public cloud and private clound construction and management provide it is soft
Part effectively to manage all kinds of calculating, storage, Internet resources, simplifies the deployment process of cloud and brings good expand for it
Malleability.In view of the deployment efficiency of cloud environment and the operation and maintenance of cloud platform, except deployment in cloud computing experiment porch
The serviced component of OpenStack is also mounted with providing outside the software and hardware resources management needed for experiment to cloud platform operation conditions
The Internet resources monitoring tools monitored in real time, and realize the server configuration management tool of automatically dispose.Cloud computing
The architecture design of experiment porch is as shown in Figure 2.
The hardware resource of cloud platform includes network, calculating and storage device etc., by using virtualization technology KVM to bottom
Hardware is virtualized, and forms unified virtualization pool.The core of cloud platform is the various clothes that OpenStack is provided
Business.
OpenStack frames are made of the project of core project and extension, and following 6 are deployed in cloud computing experiment porch
Specific function is completed in core sub-project, the cooperation of these projects.
(1) service Nova is calculated, it is the structure controller of cloud computing system, and Virtual Service is provided according to user demand,
It is responsible for the whole life cycle of virtual machine instance.
(2) mirroring service Glance, it provides the catalog classification management of virtual disk mirror image and mirror site storage management.
(3) network service Neutron realizes the network resource management of virtual machine, and for OpenStack, other services provide net
Network Connection Service.
(4) authentication service Keystone, it provides unified mandate and authentication clothes for all systems of OpenStack
Business.
(5) to realize the management to block storage, cloud hard disk (block device) is provided for virtual machine by block storage service Cinder
Service.
(6) web interface service Horizon, it is that the Web based on the exploitation of OpenStack api interfaces is presented, and is that user makes
With the interface of cloud platform.
In order to which the operation conditions to cloud platform and performance monitor in real time, pinpoint the problems, fix a breakdown in time, put down in cloud
Internet resources the monitoring tools Ganglia and Nagios to increase income is set in platform.Ganglia is to monitoring system resource load feelings
Condition provides important performance metrics data for cloud computing system.Its performance indicator monitored includes CPU, memory service condition, hard
Disk utilization rate, network load condition etc. support a variety of views and selection filtering display.Nagios is monitoring the master of cloud platform
Machine, network and service state, and abnormal informing function is provided.
In addition, in order to realize that the automation of cloud environment is installed, server configuration management tool is provided in cloud platform
Chef to Fast Installation software and its relies on bag.Chef using client-server schema management it is all need to configure set
Standby, as long as write out and stored on the server by script by system configuration during deployment, client obtains foot from server end
This is simultaneously performed, and is self-configured according to the configuration information in script.Chef has remote control to the server by configuration
Ability, can be inquired about system and be changed at any time configuration item.
Cloud platform provides corresponding user interface for different operations and management role.Cloud can be monitored by user interface
The operation conditions of platform using Chef deployment and configuration server, is managed virtual resource.Cloud platform is to terminal user
Two class access entrance of Horizon and API is provided, user uses cloud by graphical web interface and Command Line Interface two ways
The service of platform.
The structure of 2 cloud computing experiment porch
Script installation, source code installation or fast by automatically dispose instrument may be employed in the structure of OpenStack cloud platforms
The modes such as speed installation.It is disposed herein based on " IBM OpenStack Solution for System X " cloud platform solution
Cloud computing experiment porch carries out automation installation by perform script, there was only a small amount of manual operation in installation process.Cloud computing
The basic structure of experiment porch service arrangement is as shown in Figure 3.
2.1 the installation and configuration of control node
The most of control service of control node deployment, these control service operations are in two independent virtual machine CC and NC
In.Control node uses script mounting means, is pacified automatically on physical server by DVD disc or the long-range carry ISO of IMM2
Dress.According to script setting, operating system after installation is complete system restart automatically, need manual intervention at this time, network configuration be set
Parameter.
(1) network interface card of configuration management network and data network.It is eth0 for managing the network interface card of network acquiescence, for data
The network interface card acquiescence of network is eth1, these default configurations can be changed.
(2) the configuration management network information.Configuring parameter includes IP address range (specifying start-stop address), dynamic IP addressing model
It encloses and (specifies start-stop address), this 4 IP address must cannot conflict in the same network segment, the scope of 2 addresses.It additionally needs to match somebody with somebody
Put the parameters such as netmask, router address, subnet address, broadcast address.
(3) IMM network managements are configured.Configuring parameter includes IMM networks start ip address, IMM netmasks, IMM networks
Router address.
(4) IP address of ntp server and dns server is configured, host domain name and host name are set, sending and connect
Receive addresses of items of mail, the e-mail server address of system failure information.
(5) configuration whether need high availability (HA) dispose, if selection HA deployment, then the host being currently configured automatically into
For host node, determined from node by specifying MAC Address in other hosts.
A configuration file (/opt/lbs/conf/cloud.profile) is generated after the completion of parameter configuration.It is saved in control
Configuration file is checked on point, if parameter configuration is correct, then perform script installs CC, NC and xCAT on node.
CC and NC is the virtual machine of two operation control services.CC deploys all clothes of management and interaction needed for user
Business, server-side, fast fixing tool, dns server including web interface service, real-time monitor and configuration management tool,
The calculating service of ntp server and OpenStack, block memory scheduler etc..NC deploys database service and message team
The client of the infrastructure components such as row service, real-time monitor and configuration management tool, and the mirror image of OpenStack, network
With the services such as certification.
Chef servers complete net to be realized using Chef instruments to the tissue of OpenStack services and configuration during installation
Network configuration creates Nova clusters, unlatching/closing calculate node service, configuration Mysql servers and Apache Server, configuration
The functions such as application services.The multiple calculate nodes of cloud computing Experiment Platform Design, in order to realize clustering to these nodes
Management and deployment configure a virtual machine to installation and operation cluster management and configuration software xCAT in control node
(Extreme Cloud Administration Toolkit).XCAT is the open source software based on C/S frameworks, can pass through one
A management node controls entire group system, while cluster management is simplified, additionally it is possible to realize the Quick Extended [6] of cluster.
The purpose of installation xCAT instruments is using control node as management node, and rapid deployment is carried out to high performance calculate node and is matched somebody with somebody
It puts.
After the completion of CC and NC deploying virtual machines, the IP that the address of DNS and ntp server is CC is set in control node
Location.NC and CC virtual machines are logged on to respectively, check configuration file (/opt/lbs/conf/node.profile), and angle of rotation of joint is set
The information such as color, node type, IP address.
The deployment of 2.2 calculate nodes
Calculate node provides underlying hardware and management environment for the operation of OpenStack virtual machines.Cloud computing experiment porch
In have multiple calculate nodes, calculate node cluster is managed and disposed using the xCAT instruments in control node.
First, the script installation mirror image of calculate node is imported into xCAT virtual machines, configures the nodal community on xCAT, open
Dynamic xCAT services and DHCP/HTTP/TFTP services；Then, the calculate node to be installed such as log on to, set simultaneously into BIOS
From network startup；Finally, from network PXE activation systems, xCAT obtains calculate node IP automatically for selection after calculate node is opened
Address carries out automation installation and deployment to calculate node.
2.3 cloud platform user rights
The user for accessing cloud platform has ordinary user and administrator's two types, they have different power to cloud platform
The operation of limit.
Administrator can carry out following operate in cloud platform:After cloud node state, cloud node being checked using Nagios
Platform supervisor state and OpenStack service states；The service conditions such as CPU, memory, disk are checked using Ganglia；Make
It is opened with Chef or stops calculate node service；Increased using Glance mirror images instrument or change default mirror image；Use Nova
Create or change cloud user, virtual network topology etc..
Ordinary user has in the function of cloud platform:Check mirror image or virtual machine list；Check a certain mirror image or virtual machine
Details；Create mirror image or virtual machine；The migration of virtual machine；For the virtual machine creating snapshot that can be run；It is shown in web interface
Host and Quota Usage.
Compared with prior art, the device have the advantages that being：
Cloud computing experiment porch based on OpenStack for school teaching and scientific research experiment provide software and hardware resources management and
Application development environ-ment is supported, meets the diversified service demand of teaching and scientific research application.It not only increases experiment management work
Efficiency, also for explore the mobile experiment model based on cloud computing provide good technical support.
Description of the drawings
Fig. 1 is cloud platform topology diagram；
Fig. 2 is cloud platform Organization Chart；
Fig. 3 is cloud platform service arrangement basic structure；
Fig. 4 is the desktop cloud Organization Chart based on OpenStack.
Specific embodiment
For those skilled in the art is allowed to become apparent from getting information about the present invention, below in conjunction with attached drawing, to the present invention
It is further described.
Cloud computing experiment porch based on OpenStack, by a control node host and multiple calculate node hosts
Composition uses 64 servers for supporting CPU virtualization technologies；Number by increasing calculate node is easy to using more piece dot pattern
Amount carrys out horizontal extension cloud platform, does not influence the service provided while cloud system is extended；
Platform has planned two networks:Manage network and data network；Wherein, manage network and be used for OpenStack components
With the communication of operating system；Data network is for the application on virtual server.Therefore, server divides at least there are two network interface
Network and data network Yong Yu not managed.It is high to memory requirement since cloud platform is mainly used for course and scientific experiment displaying,
Therefore storage mode uses server local hard disk.
2 virtual machines are mainly run in the control node of cloud platform, are respectively CC (Cloud Controller, cloud control
Device) and NC (Network Controller, network controller)；The control service operation of OpenStack is in the two virtual machines
In, and start together with control node system.
The advantage that control service is run with virtual machine is:It is easy to the resource that adjustment service needs；Control service can pass through
Snapshot is backed up；When virtual machine damages, it is easily exchanged and repairs；When physical machine is replaced and safeguarded, it is easy to control
Uniform business moves to other physical hosts.In addition, computing resource idle in control node can also run other as needed
Virtual machine, such as the virtual machine of operation cluster management and configuration software, the virtual machine for running fast fixing tool.In cloud platform
Calculate node mainly runs the virtual machine of OpenStack establishments, and distributes network for virtual machine, and the memory space of calculate node is also
Perishability storage can be provided for virtual machine.
1.2 cloud platform architecture designs
OpenStack is an architecture cloud open source projects, for public cloud and private clound construction and management provide it is soft
Part effectively to manage all kinds of calculating, storage, Internet resources, simplifies the deployment process of cloud and brings good expand for it
Malleability.In view of the deployment efficiency of cloud environment and the operation and maintenance of cloud platform, except deployment in cloud computing experiment porch
The serviced component of OpenStack is also mounted with providing outside the software and hardware resources management needed for experiment to cloud platform operation conditions
The Internet resources monitoring tools monitored in real time, and realize the server configuration management tool of automatically dispose.Cloud computing
The architecture design of experiment porch is as shown in Figure 2.
The hardware resource of cloud platform includes network, calculating and storage device etc., by using virtualization technology KVM to bottom
Hardware is virtualized, and forms unified virtualization pool.The core of cloud platform is the various clothes that OpenStack is provided
Business.
OpenStack frames are made of the project of core project and extension, and following 6 are deployed in cloud computing experiment porch
Specific function is completed in core sub-project, the cooperation of these projects.
(1) service Nova is calculated, it is the structure controller of cloud computing system, and Virtual Service is provided according to user demand,
It is responsible for the whole life cycle of virtual machine instance.
(2) mirroring service Glance, it provides the catalog classification management of virtual disk mirror image and mirror site storage management.
(3) network service Neutron realizes the network resource management of virtual machine, and for OpenStack, other services provide net
Network Connection Service.
(4) authentication service Keystone, it provides unified mandate and authentication clothes for all systems of OpenStack
Business.
(5) to realize the management to block storage, cloud hard disk (block device) is provided for virtual machine by block storage service Cinder
Service.
(6) web interface service Horizon, it is that the Web based on the exploitation of OpenStack api interfaces is presented, and is that user makes
With the interface of cloud platform.
In order to which the operation conditions to cloud platform and performance monitor in real time, pinpoint the problems, fix a breakdown in time, put down in cloud
Internet resources the monitoring tools Ganglia and Nagios to increase income is set in platform.Ganglia is to monitoring system resource load feelings
Condition provides important performance metrics data for cloud computing system.Its performance indicator monitored includes CPU, memory service condition, hard
Disk utilization rate, network load condition etc. support a variety of views and selection filtering display.Nagios is monitoring the master of cloud platform
Machine, network and service state, and abnormal informing function is provided.
In addition, in order to realize that the automation of cloud environment is installed, server configuration management tool is provided in cloud platform
Chef to Fast Installation software and its relies on bag.Chef using client-server schema management it is all need to configure set
Standby, as long as write out and stored on the server by script by system configuration during deployment, client obtains foot from server end
This is simultaneously performed, and is self-configured according to the configuration information in script.Chef has remote control to the server by configuration
Ability, can be inquired about system and be changed at any time configuration item.
Cloud platform provides corresponding user interface for different operations and management role.Cloud can be monitored by user interface
The operation conditions of platform using Chef deployment and configuration server, is managed virtual resource.Cloud platform is to terminal user
Two class access entrance of Horizon and API is provided, user uses cloud by graphical web interface and Command Line Interface two ways
The service of platform.
The structure of 2 cloud computing experiment porch
Script installation, source code installation or fast by automatically dispose instrument may be employed in the structure of OpenStack cloud platforms
The modes such as speed installation.It is disposed herein based on " IBM OpenStack Solution for System X " cloud platform solution
Cloud computing experiment porch carries out automation installation by perform script, there was only a small amount of manual operation in installation process.Cloud computing
The basic structure of experiment porch service arrangement is as shown in Figure 3.
The installation and configuration of 2.1 control nodes
The most of control service of control node deployment, these control service operations are in two independent virtual machine CC and NC
In.Control node uses script mounting means, is pacified automatically on physical server by DVD disc or the long-range carry ISO of IMM2
Dress.According to script setting, operating system after installation is complete system restart automatically, need manual intervention at this time, network configuration be set
Parameter.
(1) network interface card of configuration management network and data network.It is eth0 for managing the network interface card of network acquiescence, for data
The network interface card acquiescence of network is eth1, these default configurations can be changed.
(2) the configuration management network information.Configuring parameter includes IP address range (specifying start-stop address), dynamic IP addressing model
It encloses and (specifies start-stop address), this 4 IP address must cannot conflict in the same network segment, the scope of 2 addresses.It additionally needs to match somebody with somebody
Put the parameters such as netmask, router address, subnet address, broadcast address.
(3) IMM network managements are configured.Configuring parameter includes IMM networks start ip address, IMM netmasks, IMM networks
Router address.
(4) IP address of ntp server and dns server is configured, host domain name and host name are set, sending and connect
Receive addresses of items of mail, the e-mail server address of system failure information.
(5) configuration whether need high availability (HA) dispose, if selection HA deployment, then the host being currently configured automatically into
For host node, determined from node by specifying MAC Address in other hosts.
A configuration file (/opt/lbs/conf/cloud.profile) is generated after the completion of parameter configuration.It is saved in control
Configuration file is checked on point, if parameter configuration is correct, then perform script installs CC, NC and xCAT on node.
CC and NC is the virtual machine of two operation control services.CC deploys all clothes of management and interaction needed for user
Business, server-side, fast fixing tool, dns server including web interface service, real-time monitor and configuration management tool,
The calculating service of ntp server and OpenStack, block memory scheduler etc..NC deploys database service and message team
The client of the infrastructure components such as row service, real-time monitor and configuration management tool, and the mirror image of OpenStack, network
With the services such as certification.
Chef servers complete net to be realized using Chef instruments to the tissue of OpenStack services and configuration during installation
Network configuration creates Nova clusters, unlatching/closing calculate node service, configuration Mysql servers and Apache Server, configuration
The functions such as application services.The multiple calculate nodes of cloud computing Experiment Platform Design, in order to realize clustering to these nodes
Management and deployment configure a virtual machine to installation and operation cluster management and configuration software xCAT in control node
(Extreme Cloud Administration Toolkit).XCAT is the open source software based on C/S frameworks, can pass through one
A management node controls entire group system, while cluster management is simplified, additionally it is possible to realize the Quick Extended [6] of cluster.
The purpose of installation xCAT instruments is using control node as management node, and rapid deployment is carried out to high performance calculate node and is matched somebody with somebody
It puts.
After the completion of CC and NC deploying virtual machines, the IP that the address of DNS and ntp server is CC is set in control node
Location.NC and CC virtual machines are logged on to respectively, check configuration file (/opt/lbs/conf/node.profile), and angle of rotation of joint is set
The information such as color, node type, IP address.
The deployment of 2.2 calculate nodes
Calculate node provides underlying hardware and management environment for the operation of OpenStack virtual machines.Cloud computing experiment porch
In have multiple calculate nodes, calculate node cluster is managed and disposed using the xCAT instruments in control node.
First, the script installation mirror image of calculate node is imported into xCAT virtual machines, configures the nodal community on xCAT, open
Dynamic xCAT services and DHCP/HTTP/TFTP services；Then, the calculate node to be installed such as log on to, set simultaneously into BIOS
From network startup；Finally, from network PXE activation systems, xCAT obtains calculate node IP automatically for selection after calculate node is opened
Address carries out automation installation and deployment to calculate node.
2.3 cloud platform user rights
The user for accessing cloud platform has ordinary user and administrator's two types, they have different power to cloud platform
The operation of limit.
Administrator can carry out following operate in cloud platform:After cloud node state, cloud node being checked using Nagios
Platform supervisor state and OpenStack service states；The service conditions such as CPU, memory, disk are checked using Ganglia；Make
It is opened with Chef or stops calculate node service；Increased using Glance mirror images instrument or change default mirror image；Use Nova
Create or change cloud user, virtual network topology etc..
Ordinary user has in the function of cloud platform:Check mirror image or virtual machine list；Check a certain mirror image or virtual machine
Details；Create mirror image or virtual machine；The migration of virtual machine；For the virtual machine creating snapshot that can be run；It is shown in web interface
Host and Quota Usage.
The application of 3 cloud computing experiment porch
3.1 the desktop cloud system based on OpenStack
Desktop cloud is that the desktop environment of computer is virtualized using virtualization technology and Remote Desktop Protocol, is owned
Desktop virtual machine all operate on data center server, user by client access high in the clouds customers desktop and using journey
Sequence.It is user using VDI (virtual desktop instructure, virtual desktop framework) mode construction desktop cloud system
The autonomous experimental situation created and manage virtual machine is provided.Cloud platform will test required software environment and be made as mirror image, need
When these mirror images is recycled to create virtual machine and distribute the hardware resources such as VCPU, memory, so as to the software and hardware ring needed for test
Border is supplied to user.User need to only obtain access right, log on to virtual machine by virtual desktop mode, so that it may in virtual machine ring
It is tested under border.
Desktop cloud framework based on OpenStack is as shown in Figure 4.Cloud platform is special for each user preparation in calculate node
Virtual machine, and operating system and the various applications needed for user are disposed wherein, by desktop display protocol by virtual machine table
Face consigns to remote user's use.User exclusively enjoys the resources such as the CPU of the virtual machine, memory, can obtain whole desktop environment
Usage experience.Using one-to-one mapping relation management, each user, which corresponds to, uses a fixed virtual table for virtual desktop distribution
Face.When the connection disconnection between user and virtual desktop, or user, after virtual desktop cancellation, the data of user will not be clear
It removes, virtual desktop will not be reassigned to other users.A core component in VDI frameworks is Connection
Broker is the hinge for connecting front end user and backend resources, its on the one hand end subscriber (virtual desktop manager and virtual forward
Desktop user) management and linkage function of the offer to virtual desktop, it is on the other hand asked based on front end user, rear end resource
(virtualized server, Internet resources, storage resource) implements the management and attended operation of virtual desktop.Accessing remote desktop can be with
It is realized by VNC (virtual network computer) or Spice agreements.It is compared with VNC, Spice, which has, to be supported to scheme
The advantages that shape and audio transmission, support video playing, USB can use SSL encryption by network transmission, communication, therefore cloud is put down
Desktop virtualization selection Spice agreements under platform.
Desktop cloud system is made of server and client-side program, and server is deployed in CC servers
On, client-side program is disposed on a client device.Cloud platform administrator batch creates several tenants's (project), and each
A user is created under tenant, so each user can only see and access the desktop virtual machine oneself created, ensure that
The security of user's desktop.User with the username and password of oneself logs on to cloud platform after being authorized, and creates respective void
Plan machine example (i.e. virtual desktop).It is compared with conventional physical experimental situation, the virtual machine experimental situation under cloud platform has quick
The advantages of disposing, being easy to back up and recover.The virtual machine snapshot function that cloud platform provides, can back up data, user
It can be based on the snapshot and restart virtual machine, restore data to some available time dotted state as required.
The 3.2 big data application environments based on OpenStack
Big data needs the memory capacity and computing capability of super large, architecture cloud platform provide all kinds of calculating of management,
Storage, the service ability of Internet resources.Therefore, big data is run on cloud computing platform, is more efficient big data at present
One of processing method.
In order to which the teaching of big data related experiment and cases of engineering is given to provide Environmental Support, in cloud computing experiment porch
Under deploy distributed data processing and storage environment Hadoop, make full use of unemployed computing resource in cloud platform, most
Improve to limits server resource utilization rate.The Glance server storage Hadoop virtual machine images of cloud platform, Mei Gejing
As all containing mounted operating system and Hadoop environment；And numerous nodes of Hadoop clusters are deployed in cloud platform pipe
On the virtual machine of reason.It, can be by cloud platform dynamic application hardware resource, so as to extend when the load increase of Hadoop clusters
The VCPU quantity and disk space of virtual machine where node.
Cloud platform and Hadoop are combined together and generate significant collaborative effect, such as promotes the deployment of Hadoop clusters
Speed and the utilization rate of Hadoop environmental resources, cluster are easy to maintain, provide high availability of Hadoop etc..It is tested in cloud computing
In platform, user is by specifying some parameters, such as Hadoop versions, cluster topology structure, node hardware details, so that it may
Quickly to create a Hadoop cluster；The scale of existing cluster can also as needed, be adjusted by increasing and decreasing node.In cloud
A variety of Hadoop cluster topologies can be configured in platform, as Job Tracker and NameNode process can be in a virtual machines
Upper operation can also be run on two independent virtual machines.Cluster can include polytype working node, working node
TaskTracker and DataNode can be run simultaneously, can also be played a role.User can be with the arbitrary of these options
A cluster comprising several DataNode nodes and a NameNode node is established in combination, to complete big data processing
Work.
The basic procedure of cluster is quickly established in cloud computing experiment porch is:Select Hadoop versions；Selection is comprising pre-
The foundation image of Hadoop is installed；Cluster configuration, the quantity of topological structure and cluster interior joint including cluster are defined, and is set
Put different Hadoop parameters；Cluster is disposed, virtual machine is created by mirror image, these virtual machines undertake the difference of Hadoop clusters
Role and task；Operate cluster, such as addition or deletion of node；Terminate cluster.
The operation of structure cluster can be completed in the web interface of cloud platform.
4. conclusion：Cloud computing experiment porch based on OpenStack provides software and hardware money for the teaching and scientific research experiment of school
Source control and Application development environ-ment are supported, meet the diversified service demand of teaching and scientific research application.It not only increases experiment
The efficiency of management work also provides good technical support to explore the mobile experiment model based on cloud computing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (6)
1. the cloud computing experiment porch based on OpenStack, which is characterized in that it is by a control node host and multiple calculating
Node host forms, and uses 64 servers for supporting CPU virtualization technologies；It is easy to calculate by increasing using more piece dot pattern
The quantity of node carrys out horizontal extension cloud platform, does not influence the service provided while cloud system is extended；
Platform has planned two networks:Manage network and data network；Wherein, network is managed for OpenStack components and behaviour
Make the communication of system；Data network is for the application on virtual server；
2 virtual machines are mainly run in the control node of cloud platform, are respectively CC and NC；The control service operation of OpenStack
Start together in the two virtual machines, and with control node system.
2. platform according to claim 1, which is characterized in that except disposing OpenStack in cloud computing experiment porch
Serviced component it is outer to provide software and hardware resources management needed for experiment, be also mounted and cloud platform operation conditions supervised in real time
The Internet resources monitoring tools of control and the server configuration management tool for realizing automatically dispose.
3. platform according to claim 2, which is characterized in that the hardware resource of cloud platform includes network, calculating and storage
Equipment virtualizes bottom hardware by using virtualization technology KVM, forms unified virtualization pool；Cloud platform
Core is the various services that OpenStack is provided.
4. platform according to claim 3, which is characterized in that OpenStack frames are by core project and the project of extension
It forms, following 6 core sub-projects is deployed in cloud computing experiment porch, specific function is completed in the cooperation of these projects：
(1) service Nova is calculated, it is the structure controller of cloud computing system, provides Virtual Service according to user demand, is responsible for
Manage the whole life cycle of virtual machine instance；
(2) mirroring service Glance, it provides the catalog classification management of virtual disk mirror image and mirror site storage management；
(3) network service Neutron realizes the network resource management of virtual machine, is other service providing networks of OpenStack company
Connect service；
(4) authentication service Keystone, it provides unified mandate and authentication service for all systems of OpenStack；
(5) to realize the management to block storage, cloud hard disk (block device) clothes are provided for virtual machine by block storage service Cinder
Business；
(6) web interface service Horizon, it is that the Web based on the exploitation of OpenStack api interfaces is presented, and is that user uses cloud
The interface of platform.
5. platform according to claim 4, which is characterized in that the Internet resources monitoring tools increased income are set in cloud platform
Ganglia and Nagios；Ganglia provides important performance degree for cloud computing system to monitoring system resource load condition
Data are measured, the performance indicator of monitoring includes CPU, memory service condition, hard disk utilization, network load condition, supports a variety of
View and selection filtering display；Nagios provides abnormal notice work(to monitor the host of cloud platform, network and service state
Energy.
6. platform according to claim 5, which is characterized in that server configuration management tool is provided in cloud platform
Chef to Fast Installation software and its relies on bag；Chef using client-server schema management it is all need to configure set
Standby, as long as write out and stored on the server by script by system configuration during deployment, client obtains foot from server end
This is simultaneously performed, and is self-configured according to the configuration information in script；Chef has remote control to the server by configuration
Ability, can be inquired about system and be changed at any time configuration item.
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Family
ID=62132795
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