WO2020111931A1 - A system and method to download and convert a virtual appliance in a cloud computing system - Google Patents

A system and method to download and convert a virtual appliance in a cloud computing system Download PDF

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Publication number
WO2020111931A1
WO2020111931A1 PCT/MY2019/050098 MY2019050098W WO2020111931A1 WO 2020111931 A1 WO2020111931 A1 WO 2020111931A1 MY 2019050098 W MY2019050098 W MY 2019050098W WO 2020111931 A1 WO2020111931 A1 WO 2020111931A1
Authority
WO
WIPO (PCT)
Prior art keywords
virtual appliance
blocks
format
downloading
converting
Prior art date
Application number
PCT/MY2019/050098
Other languages
French (fr)
Inventor
Rajendar KANDAN
Mohd Bazli Bin AB KARIM
Nazarudin Bin WIJEE
Hong Hoe ONG
Nardiatul Kasmi Binti MOHAMED KASSIM
Original Assignee
Mimos Berhad
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to MYPI2018002259 priority Critical
Priority to MYPI2018002259 priority
Application filed by Mimos Berhad filed Critical Mimos Berhad
Publication of WO2020111931A1 publication Critical patent/WO2020111931A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/28Network-specific arrangements or communication protocols supporting networked applications for the provision of proxy services, e.g. intermediate processing or storage in the network
    • H04L67/2823Network-specific arrangements or communication protocols supporting networked applications for the provision of proxy services, e.g. intermediate processing or storage in the network for conversion or adaptation of application content or format
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/61Installation
    • G06F8/63Image based installation; Cloning; Build to order
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/61Installation
    • G06F8/64Retargetable
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/10Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network
    • H04L67/1097Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network for distributed storage of data in a network, e.g. network file system [NFS], transport mechanisms for storage area networks [SAN] or network attached storage [NAS]
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533Hypervisors; Virtual machine monitors
    • G06F9/45558Hypervisor-specific management and integration aspects

Abstract

The present invention relates to a system (100) to download and convert a virtual appliance (101) in a cloud computing system. The system comprising a virtual appliance manager (103). The virtual appliance manager (103) further comprising a downloader (104) configured for downloading a virtual appliance (101) from a target host in form of blocks, a converter (105) configured for converting the virtual appliance (101), a merger (106) configured for merging all the converted blocks of the downloaded virtual appliance (101) upon completion of the download and conversion processes and a registrar (107) configured for performing a post conversion process after all blocks of a virtual appliance (101) been merged. The virtual appliance manager (103) downloading and converting the virtual appliance (101) concurrently wherein the converter (105) converting the virtual appliance (101) if requested format is different from the virtual appliance available format.

Description

A SYSTEM AND METHOD TO DOWNLOAD AND CONVERT A VIRTUAL APPLIANCE IN A CLOUD COMPUTING SYSTEM
FIELD OF THE INVENTION
The present invention relates to a system and method to download and convert a virtual appliance in a cloud computing system. More particularly, the present invention relates to downloading and converting the virtual appliance concurrently by the virtual appliance manager.
BACKGROUND OF THE INVENTION
A virtual appliance is a virtual machine image file consisting of a preconfigured operating system environment and ready-to-run applications. Most of the file format of virtual appliance depends on type of hypervisor. Furthermore, the virtual appliances are available at different marketplaces with different image formats. Conventionally, downloading a virtual appliance is time consuming due to the virtual appliance’s size and network connectivity. Besides, converting from one format of virtual appliance to another format is time consuming as well as it depends on the size of the virtual appliance.
There have been a number of solutions provided for efficient system and method for downloading and converting a virtual appliance and few of them are discussed below.
US 9104517 B2 discloses a system for downloading and executing a virtual application. The system comprises a virtual process manager and a client application wherein both executing on a first computing device in communication with a second computing device over a network. The second computing device storing a virtualized application file at least partially implementing a virtual application. Further, the prior art focuses on downloading the virtual appliances only.
US 9910694 B2 discloses a system and a method for providing a custom virtual appliance. The system comprises one or more processors for generating a description file of a custom virtual appliance based on a user requirement. The processors acquire configuration metadata of the custom virtual appliance from the description file, create a list of candidate virtual appliances based on the configuration metadata, acquire a disk size of the custom virtual appliance based on configuration metadata, acquire a disk size of the specific virtual appliance and determine based on the disk size conversion information, whether the specific virtual appliance is required to convert a disk size of the custom virtual appliance. In response to determining that a candidate virtual appliance from the list is required to convert the virtual disk, the processors construct the candidate virtual appliance as the custom virtual appliance. Further, the prior art focuses on downloading and converting the virtual appliances yet not concurrently.
The aforesaid documents and other similar solutions may strive to provide an effective system and method to download and convert a virtual appliance in a cloud computing system; however, they still have a number of limitations and shortcomings such as, but not limited to, it is time consuming for downloading the virtual appliance as it is depending on the virtual appliance’s size and network connectivity. Furthermore, it is also time consuming for converting from one format of virtual appliance to another format as it is depending on the size of the virtual appliance.
The problems have never been addressed sufficiently by prior attempts and consequently, there still exists a need for an improved system and method to download and convert a virtual appliance in a cloud computing system.
SUMMARY OF THE INVENTION
The following presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. This summary is not an extensive overview of the invention. Its sole purpose is to present some concepts of the invention in a simplified form as a prelude to the more detailed description that is presented later.
Accordingly, the present invention aims to provide a system to download and convert a virtual appliance in a cloud computing system. In accordance with an embodiment of the present invention, there is provided a system for downloading and converting a virtual appliance in a cloud computing system.
The system comprising a virtual appliance manager. The virtual appliance manager further comprising a downloader configured for downloading a virtual appliance from a target host in form of blocks, a converter configured for converting the virtual appliance, a merger configured for merging all the converted blocks of the downloaded virtual appliance upon completion of the download and conversion processes and a registrar configured for performing a post conversion process after all blocks of a virtual appliance been merged. Further, the virtual appliance manager downloading and converting the virtual appliance concurrently wherein the converter converting the virtual appliance if requested format is different from the virtual appliance available format.
Preferably, the converter is configured for converting the blocks when the downloaded blocks reaches a pre-defined size for conversion.
In accordance with another aspect of the present invention, a method to download and convert a virtual appliance in a cloud computing system comprising the steps of receiving a request to download a virtual appliance from a target host, downloading the requested virtual appliance from the target host in form of blocks, monitoring size of downloaded blocks of virtual appliance, completing the downloading process if the requested format is same as virtual appliance available format, performing registration process and sending successful notification. Further, if the requested format is different from the virtual appliance available format, converting the downloaded blocks of virtual appliance concurrently when the downloaded blocks reaches a pre-defined size for conversion, downloading and converting processes continues in loop until all blocks of downloaded blocks of virtual appliance is converted and merging converted blocks to form the virtual appliance in the requested format prior to performing registration process.
Preferably, the format availability is checked upon receiving the request to download the virtual appliance. Preferably, the downloading of the requested virtual appliance start upon retrieving and selecting repositories.
Preferably, during the conversion an error checking is performed and the conversion is repeated if any errors detected.
Preferably, the merging of converted blocks further comprising the steps of organizing the converted blocks, merging the converted blocks in order, storing the merged blocks as a file, verifying the merged blocks with a format extension and validating the format extension against the requested format wherein the step of merging the converted blocks in order is repeated if any errors detected.
Preferably, the registration process is performed by setting attributes for the merged blocks and registering the merged blocks as the virtual appliance in the cloud computing system.
The foregoing and other objects, features, aspects and advantages of the present invention will become better understood from a careful reading of a detailed description provided herein below with appropriate reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS A more complete appreciation of the invention and many of the attendant advantages thereof will be readily as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein: Fig. 1 is a block diagram of a system to download and convert a virtual appliance in a cloud computing system in accordance with an embodiment of the present invention;
Fig. 2 shows the method to download and convert a virtual appliance in a cloud computing system in accordance with an embodiment of the present invention; and Fig. 3 shows the method of merging of converted blocks in accordance with an embodiment of the present invention.
It is noted that the drawings may not be to scale. The drawings are intended to depict only typical aspects of the invention, and therefore should not be considered as limiting the scope of the invention. In the drawings, like numberings represent like elements between the drawings.
DETAILED DESCRIPTION OF THE INVENTION
It is an object of the present invention to reduce the time consumption of downloading and conversion of appliance images in cloud environment by executing both processes concurrently.
Referring to the drawings, the invention will now be described in more detail.
Fig. 1 is a block diagram of a system (100) to download and convert a virtual appliance (101 ) in a cloud computing system in accordance with an embodiment of the present invention. In accordance with an embodiment of the present invention, the system (100) comprising a virtual appliance manager (103). In accordance with an embodiment of the present invention the virtual appliance manager (103) further comprising a downloader (104) configured for downloading the virtual appliance (101 ) from a target host in form of blocks, a converter (105) configured for converting the virtual appliance (101 ); a merger (106) configured for merging all the converted blocks of the downloaded virtual appliance (101 ) upon completion of the download and conversion processes and a registrar (107) configured for performing a post conversion process after all blocks of a virtual appliance (101 ) been merged. In accordance with an embodiment of the present invention, the virtual appliance manager (103) downloading and converting the virtual appliance (101 ) concurrently wherein the converter (105) converting the virtual appliance (101 ) if requested format is different from the virtual appliance (101 ) available format. In accordance with an embodiment of the present invention, the converter (105) is configured for converting the blocks when the downloaded blocks reaches a pre-defined size for conversion. In accordance with an embodiment of the present invention, the virtual appliance manager (103) receive request of virtual appliance (101 ) from other hosts or services such as but not limited to physical or virtual host. In accordance with an embodiment of the present invention, the hosts or services can work together with other cloud services such as but not limited to cloud front-end or virtual appliance storage (108) or hypervisor (109). In accordance with an embodiment of the present invention, the virtual appliance storage (108) is a type of storage medium such as but not limited to Ceph and Amazon Simple Storage Service (Amazon S3). In accordance with an embodiment of the present invention, the hypervisor (109) is a virtual machine monitor which creates and run the virtual machines such as but not limited to Xen and Kernel-based Virtual Machine (KVM).
Fig. 2 shows the method to download and convert a virtual appliance in a cloud computing system (200) in accordance with an embodiment of the present invention. In accordance with an embodiment of the present invention, the method comprising the steps of receiving a request to download a virtual appliance from a target host (201 ), downloading the requested virtual appliance from the target host in form of blocks (202), monitoring size of downloaded blocks of virtual appliance (203), completing the downloading process if the requested format is same as the virtual appliance available format (204), performing registration process (205) and sending successful notification (206). In accordance with an embodiment of the present invention, if the requested format is different from the virtual appliance available format (207), converting the downloaded blocks of virtual appliance concurrently when the downloaded blocks reaches a pre-defined size for conversion (208), downloading and converting processes continues in loop until all blocks of downloaded blocks of virtual appliance is converted (209) and merging converted blocks to form the virtual appliance in the requested format prior to performing registration process (210). In accordance with an embodiment of the present invention, the format availability is checked upon receiving the request to download the virtual appliance (101 ). In accordance with an embodiment of the present invention, the downloading of the requested virtual appliance (101 ) start upon retrieving and selecting repositories. In accordance with an embodiment of the present invention, during the conversion an error checking is performed and the conversion is repeated if any errors detected. Fig. 3 shows the method of merging of converted blocks in accordance with an embodiment of the present invention. In accordance with an embodiment of the present invention, the method comprising the steps of organizing the converted blocks (301 ), merging the converted blocks in order (302), storing the merged blocks as a file (303), verifying the merged blocks with a format extension (304) and validating the format extension against the requested format (305) wherein the step of merging the converted blocks in order (302) is repeated if any errors detected. In accordance with an embodiment of the present invention, the registration process is performed by setting attributes for the merged blocks and registering the merged blocks as the virtual appliance (101 ) in the cloud computing system.
Hereinafter, examples of the present invention will be provided for more detailed explanation. It will be understood that the examples described below are not intended to limit the scope of the present invention.
In accordance with an exemplary embodiment of the present invention, if the requested format is same as the virtual appliance available format, such as but not limited to, the requested format is virtual machine disk (VMDK) and the available format is VMDK as well, no conversion is needed.
In accordance with an exemplary embodiment of the present invention, if the requested format is different from the virtual appliance available format, such as but not limited to, the requested format is quick emulator copy on write version 2 (qcow2) and the available format is VMDK, then the conversion takes place. In accordance with an exemplary embodiment of the present invention, the available format VMDK may comprise a format size of 1 GB. In accordance with an exemplary embodiment of the present invention, the downloader configured for setting the pre-defined size in accordance with the available format size and splitting the available format size into the pre-defined size. In said exemplary embodiment, the format size of 1 GB is split into each 100MB, whereby the 100MB is the pre-defined size. In accordance with an exemplary embodiment of the present invention, the downloader starts downloading in different block sizes, preferably 100 MB for 10 times to reach the format size of 1 GB. In accordance with an exemplary embodiment of the present invention, the pre-defined size may varies based on the available format size. In accordance with an exemplary embodiment of the present invention, after the first 100MB of block size being downloaded it starts conversion into qcow2 and similarly it repeats for the entire blocks concurrently. In accordance with an exemplary embodiment of the present invention, after merging each converted blocks followed by storage, verification and validation.
The terms“a” and“an,” as used herein, are defined as one or more than one. The term“plurality,” as used herein, is defined as two or more than two. The term“another,” as used herein, is defined as at least a second or more. The terms “including” and/or“having,” as used herein, are defined as comprising (i.e. , open language).
While this invention has been particularly shown and described with reference to the exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A system (100) to download and convert a virtual appliance (101 ) in a cloud computing system, the system (100) comprising a virtual appliance manager (103) wherein, the virtual appliance manager (103) further comprising: a downloader (104) configured for downloading the virtual appliance (101 ) from a target host in form of blocks;
a converter (105) configured for converting the virtual appliance (101 ); a merger (106) configured for merging all the converted blocks of the downloaded virtual appliance (101 ) upon completion of the download and conversion processes; and
a registrar (107) configured for performing a post conversion process after all blocks of a virtual appliance (101 ) been merged,
characterized in that;
the virtual appliance manager (103) downloading and converting the virtual appliance (101 ) concurrently; and
the converter (105) converting the virtual appliance (101 ) if requested format is different from the virtual appliance (101 ) available format.
2. The system (100) according to Claim 1 , wherein the converter (105) is further configured for converting the blocks when the downloaded blocks reaches a pre-defined size for conversion.
3. A method (200) to download and convert a virtual appliance (101 ) in a cloud computing system comprising the steps of:
receiving a request to download a virtual appliance from a target host (201 );
downloading the requested virtual appliance from the target host in form of blocks (202);
monitoring size of downloaded blocks of virtual appliance (203);
completing the downloading process if the requested format is same as the virtual appliance available format (204);
performing registration process (205); and
sending successful notification (206),
characterized by; if the requested format is different from the virtual appliance available format (207),
converting the downloaded blocks of virtual appliance concurrently when the downloaded blocks reaches a pre-defined size for conversion (208); downloading and converting processes continues in loop until all blocks of downloaded blocks of virtual appliance is converted (209); and
merging converted blocks to form the virtual appliance in the requested format prior to performing registration process (210).
4. The method according to Claim 3, wherein the format availability is checked upon receiving the request to download the virtual appliance (101 ).
5. The method according to Claim 3, wherein downloading of the requested virtual appliance (101 ) start upon retrieving and selecting repositories.
6. The method according to Claim 3, wherein during the conversion an error checking is performed.
7. The method according to Claim 6, wherein the conversion is repeated if any errors detected.
8. The method according to Claim 3, wherein the merging of converted blocks (300) further comprising the steps of:
organizing the converted blocks (301 );
merging the converted blocks in order (302);
storing the merged blocks as a file (303);
verifying the merged blocks with a format extension (304); and
validating the format extension against the requested format (305);
wherein the step of merging the converted blocks in order (302) is repeated if any errors detected.
9. The method according to Claim 3, wherein the registration process is performed by setting attributes for the merged blocks and registering the merged blocks as the virtual appliance (101 ) in the cloud computing system.
PCT/MY2019/050098 2018-11-29 2019-11-22 A system and method to download and convert a virtual appliance in a cloud computing system WO2020111931A1 (en)

Priority Applications (2)

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MYPI2018002259 2018-11-29
MYPI2018002259 2018-11-29

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Citations (5)

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Publication number Priority date Publication date Assignee Title
US8176094B2 (en) * 2008-05-30 2012-05-08 Novell, Inc. System and method for efficiently building virtual appliances in a hosted environment
US8234640B1 (en) * 2006-10-17 2012-07-31 Manageiq, Inc. Compliance-based adaptations in managed virtual systems
KR101252903B1 (en) * 2007-06-29 2013-04-10 에멀럭스 디자인 앤드 매뉴팩처링 코포레이션 Allocation-unit-based virtual formatting methods and devices employing allocation-unit-based virtual formatting methods
US20150244802A1 (en) * 2014-02-25 2015-08-27 Red Hat, Inc. Importing and exporting virtual disk images
US20160098288A1 (en) * 2014-10-06 2016-04-07 Vmware, Inc. Building virtual appliances

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8234640B1 (en) * 2006-10-17 2012-07-31 Manageiq, Inc. Compliance-based adaptations in managed virtual systems
KR101252903B1 (en) * 2007-06-29 2013-04-10 에멀럭스 디자인 앤드 매뉴팩처링 코포레이션 Allocation-unit-based virtual formatting methods and devices employing allocation-unit-based virtual formatting methods
US8176094B2 (en) * 2008-05-30 2012-05-08 Novell, Inc. System and method for efficiently building virtual appliances in a hosted environment
US20150244802A1 (en) * 2014-02-25 2015-08-27 Red Hat, Inc. Importing and exporting virtual disk images
US20160098288A1 (en) * 2014-10-06 2016-04-07 Vmware, Inc. Building virtual appliances

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