Method and system for building an elastic cloud web server farm
A method and system for building an elastic cloud web server farm. The method includes registering a web application on a serving cloud and copying the web application to a distributed store. A load of the web application is specified, and a plurality of nodes is added for the web application based on the load. A web server corresponding to a node of the plurality of nodes is then initialized. A web request is received from a user and a web server is selected from a list of available web servers to process the web request. The web request is further transmitted to the web server. A web response, based on the web request, is transmitted back to the user. The system includes a central registry, a distributed store, a process coordinator, one or more web servers, and a router.
1. A method of building an elastic cloud web server farm to support cloud computing availability to users, the method comprising:
registering, by a processor, a web application having functionality on a serving cloud;
copying, by the processor, the web application to a distributed store that stores a plurality of web applications;
specifying, by the processor, a load of the web application in a central registry,
the central registry maintains information related to jobs that run the web applications, stores tasks utilized for deploying the web applications, and maintains a pipeline architecture for storing web requests;
adding, by the processor in the central registry, a plurality of nodes for the web application based on the load, the adding being done by a job manager unit which specifies a load of the web application and periodically checks the number of web servers;
mapping, by the central registry, the web application to a web server corresponding to a node of the plurality of nodes;
initializing, by the processor, the web server;
receiving, by the processor, a web request for access to functionality of the web application from a user;
selecting, by the processor, the web server from a list of available web servers to process the web request;
transmitting, by the processor, the web request for access to functionality of the web application to the web server; and
transmitting, by the processor, a web response, based on the web request for access to functionality of the web application, to the user.
2. The method as claimed in claim 1 and further comprising:
processing a plurality of web applications simultaneously.
3. The method as claimed in claim 1 , wherein specifying the load comprises one of:
dynamically handling an increase in the load by increasing number of web servers required for the web application; and
dynamically handling a decrease in the load by decreasing number of the web servers required for the web application.
4. The method as claimed in claim 1 , wherein initializing the web server comprises:
determining a port from a predetermined range of ports; and
registering an identifier with the central registry, the identifier being defined with a hostname and port.
5. The method as claimed in claim 1 and further comprising:
maintaining the list of available web servers by the central registry.
6. The method as claimed in claim 1 , wherein the web request is retransmitted to another web server from the list of available web servers to handle failure of the web server.
7. The method as claimed in claim 1 , wherein registering a web application comprises
packaging the web application using a file format for saving and reviewing complete web pages.
8. A non-transitory computer-readable storage medium that when executed by a processor, performs a method of building an elastic cloud web server farm to support cloud computing availability to users, comprising:
registering a web application having functionality on a serving cloud;
copying the web application to a distributed store that stores a plurality of web applications;
specifying a load of the web application in a central registry,
the central registry maintains information related to jobs that run the web applications, stores tasks utilized for deploying the web applications, and maintains a pipeline architecture for storing web requests;
adding, in the central registry, a plurality of nodes for the web application based on the load, the adding being done by a job manager unit which specifies a load of the web application and periodically checks the number of web servers;
mapping, by the central registry, the web application to a web server corresponding to a node of the plurality of nodes;
initializing the web server;
receiving a web request for access to functionality of the web application from a user;
selecting the web server from a list of available web servers to process the web request;
transmitting the web request for access to functionality of the web application to the web server; and
transmitting a cloud-computed web response, based on the web request for access to functionality of the web application, to the user.
9. The medium as claimed in claim 8 and further comprising:
processing a plurality of web applications simultaneously.
10. The medium as claimed in claim 8 , wherein specifying the load comprises one of:
dynamically handling an increase in the load by increasing number of web servers required for the web application; and
dynamically handling a decrease in the load by decreasing number of the web servers required for the web application.
11. The medium as claim in claim 8 , wherein initializing the web server comprises:
determining a port from a predetermined range of ports; and
registering an identifier with the central registry, the identifier being defined with a hostname and port.
12. The medium as claimed in claim 8 and further comprising:
maintaining a list of available web servers by the central registry.
13. The medium as claimed in claim 8 , wherein the web request is transmitted to another web server from the list of available web servers to handle failure of the web server.
14. The medium as claimed in claim 8 , wherein registering a web application comprises
packaging the web application using a file format for saving and reviewing complete Web pages.
15. A system for building an elastic cloud web server farm to support cloud computing availability to users, the system comprising:
a central registry that maintains a list of available web servers;
a distributed store that stores a plurality of web applications having functionality, the distributed store storing a plurality of web applications,
wherein the central registry maintains information related to jobs that run the web applications, stores tasks utilized for deploying the web applications, and maintains a pipeline architecture for storing web requests;
a process coordinator that
registers a web application having functionality on a serving cloud;
copies the web application to the distributed store;
specifies a load of the web application in the central registry;
adds, in the central registry, a plurality of nodes for the web application based on the load, the adding being done by a job manager unit which specifies a load of the web application and periodically checks the number of web servers;
one or more web servers, each web server comprising:
a map web engine that
maps, by the central registry, the web application to a web server corresponding to a node of the plurality of nodes;
initializes the web server;
a router that
receives a web request for access to functionality of the web application from a user;
selects the web server from the list of available web servers to process the web request for access to functionality of the web application;
transmits the web request to the web server; and
transmits a cloud-computed web response, based on the web request for access to functionality of the web application, to the user.
16. The system as claimed in claim 15 , wherein the system is built on a cloud computing platform.