Execution of a script based on properties of a virtual device associated with a virtual machine

• US 10,296,362 B2
• Filed: 02/26/2014
• Issued: 05/21/2019
• Est. Priority Date: 02/26/2014
• Status: Active Grant

• Current Assignee: Red Hat Israel Ltd. (International Business Machines Corporation)
• Original Assignee: Red Hat Israel Ltd. (International Business Machines Corporation)
• Inventors: Muller, Assaf, Kenigsberg, Dan
• Primary Examiner(s): Rivera, Anibal
• Application Number:
  US14/191,322
• Publication Number:
  US 20150242225A1
• Time in Patent Office: 1,910 Days
• CPC Class Codes: G06F 11/3006 where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems multiprogramming arrangements G06F9/46; allocation of resources G06F9/50
• CPC Class Codes: G06F 11/3409 for performance assessment
• CPC Class Codes: G06F 11/366 using diagnostics G06F11/0703 takes precedence
• CPC Class Codes: G06F 11/368 for test version control, e.g. updating test cases to a new software version
• CPC Class Codes: G06F 16/10 File systems; File servers
• CPC Class Codes: G06F 16/188 Virtual file systems
• CPC Class Codes: G06F 2209/544 Remote
• CPC Class Codes: G06F 9/45504 Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
• CPC Class Codes: G06F 9/45512 Command shells
• CPC Class Codes: G06F 9/45533 Hypervisors; Virtual machine monitors
• CPC Class Codes: G06F 9/45558 Hypervisor-specific management and integration aspects
• CPC Class Codes: G06F 9/485 Task life-cycle, e.g. stopping, restarting, resuming execution G06F9/4881 takes precedence
• CPC Class Codes: G06F 9/5027 the resource being a machine, e.g. CPUs, Servers, Terminals
• CPC Class Codes: G06F 9/5061 Partitioning or combining of resources
• CPC Class Codes: G06F 9/5077 Logical partitioning of resources; Management or configuration of virtualized resources specific details on emulation or internal functioning of virtual machines G06F9/455
• CPC Class Codes: G06F 9/542 Event management; Broadcasting; Multicasting; Notifications

Abstract

An event associated with a virtual machine may be identified. Furthermore, a script associated with the event may be identified. A property of a virtual device that is assigned to the virtual machine may be received. A determination may be made to execute the script or not to execute the script for the virtual machine based on the property of the virtual device that is assigned to the virtual machine.

Claims

1. A method comprising:

identifying a first type of event of a plurality of types of events occurring on a virtual machine being supported by a host system, each of the plurality of types of events being different from each other of the plurality of types of events;

identifying a location of the host system that is associated with the identified first type of event that has occurred with the virtual machine provided by the host system;

identifying a script corresponding to the identified first type of event and at the location of the host system that is associated with the identified first type of event, wherein the script is configured to be executed in accordance with the first type of event of the plurality of types of events;

receiving a property of a virtual device that is assigned to the virtual machine, wherein the property comprises an operating status of the virtual device assigned to the virtual machine;

determining, by a processing device, whether to execute the script for the virtual machine in view of the property of the virtual device that is assigned to the virtual machine satisfying a condition in the script; and

in response to determining that a value of the property of the virtual device that is assigned to the virtual machine satisfies the condition in the script, executing the script in accordance with the first type of event to perform an operation on the virtual device of the virtual machine in view of a property of the host system.

2. The method of claim 1, wherein the script is determined to not be executed when the value of the property of the virtual device assigned to the virtual machine does not satisfy the condition in the script.

3. The method of claim 1, further comprising:

identifying a second virtual machine associated with the event; and

receiving a second property of a second virtual device assigned to the second virtual machine, wherein the executing of the script performs an operation on the second virtual machine when the second property of the second virtual device assigned to the second virtual machine satisfies the condition in the script.

4. The method of claim 3, wherein the executing of the script does not perform the operation on the second virtual machine when the second property of the second virtual device assigned to the second virtual machine does not satisfy the condition.

5. The method of claim 1, wherein the event is an action performed on the virtual machine at the host system.

6. The method of claim 1, wherein the host system is associated with running the virtual machine, and the property of the host system is used by the script to configure the virtual device of the virtual machine when the script is executed.

7. The method of claim 1, wherein the location of the host system is a folder of a file system of the host system.

8. The method of claim 1, wherein the plurality of types of events comprises a stopping of the virtual machine, a start of the virtual machine, a destruction of the virtual machine, a pausing of the virtual machine, an unpausing of the virtual machine, a hibernation of the virtual machine, a de-hibernation of the virtual machine, a migration of the virtual machine, a disconnection of a virtual device from the virtual machine, and a disconnection of a virtual device to the virtual machine.

9. A system, comprising:

a memory to store a script; and

a processing device, operatively coupled with the memory, to;

identify a first type of event of a plurality of types of events occurring on a virtual machine being supported by a host system, each of the plurality of types of events being different from each other of the plurality of types of events;

identify a location of the host system that is associated with the identified first type of event that has occurred with the virtual machine provided by the host system;

identify a script corresponding to the identified first type of event and at the location of the host system that is associated with the identified first type of event, wherein the script is configured to be executed in accordance with the first type of event of the plurality of types of events;

receive a property of a virtual device that is assigned to the virtual machine, wherein the property comprises an operating status of the virtual device assigned to the virtual machine;

determine whether to execute the script for the virtual machine in view of the property of the virtual device that is assigned to the virtual machine satisfying a condition in the script; and

in response to determining that a value of the property of the virtual device that is assigned to the virtual machine satisfies the condition in the script, execute the script in accordance with the first type of event to perform an operation on the virtual device of the virtual machine in view of a property of the host system.

10. The system of claim 9, wherein the script is determined to not be executed when a value of the property of the virtual device assigned to the virtual machine does not satisfy the condition in the script.

11. The system of claim 9, the processing device is further to:

identify a second virtual machine associated with the event; and

receive a second property of a second virtual device assigned to the second virtual machine, wherein the executing of the script performs an operation on the second virtual machine when the second property of the second virtual device assigned to the second virtual machine satisfies the condition in the script.

12. The system of claim 11, wherein the executing of the script does not perform the operation on the second virtual machine when the second property of the second virtual device assigned to the second virtual machine does not satisfy the condition.

13. The system of claim 9, wherein the event is an action performed on the virtual machine at the host system.

14. The system of claim 9, wherein the plurality of types of events comprises a stopping of the virtual machine, a start of the virtual machine, a destruction of the virtual machine, a pausing of the virtual machine, an unpausing of the virtual machine, a hibernation of the virtual machine, a de-hibernation of the virtual machine, a migration of the virtual machine, a disconnection of a virtual device from the virtual machine, and a disconnection of a virtual device to the virtual machine.

15. A non-transitory machine-readable storage medium comprising data that, when accessed by a processing device, cause the processing device to:

identify a first type of event of a plurality of types of events occurring on a virtual machine being supported by a host system, each of the plurality of types of events being different from each other of the plurality of types of events;

identify a location of the host system that is associated with the identified first type of event that has occurred with the virtual machine provided by the host system;

identify the script corresponding to the identified first type of event and at the location of the host system that is associated with the identified first type of event, wherein the script is configured to be executed in accordance with the first type of event of the plurality of types of events;

receive a property of a virtual device that is assigned to the virtual machine, wherein the property comprises an operating status of the virtual device assigned to the virtual machine;

determine whether to execute the script for the virtual machine in view of the property of the virtual device that is assigned to the virtual machine satisfying a condition in the script; and

in response to determining that a value of the property of the virtual device that is assigned to the virtual machine satisfies the condition in the script, execute the script in accordance with the first type of event to perform an operation on the virtual device of the virtual machine in view of a property of the host system.

16. The non-transitory machine-readable storage medium of claim 15, wherein the script is determined to not be executed when a value of the property of the virtual device assigned to the virtual machine does not satisfy the condition in the script.

17. The non-transitory machine-readable storage medium of claim 15, wherein the processing device is further to:

identify a second virtual machine associated with the event; and

receive a second property of a second virtual device assigned to the second virtual machine, wherein the executing of the script performs an operation on the second virtual machine when the second property of the second virtual device assigned to the second virtual machine satisfies the condition in the script.

18. The non-transitory machine-readable storage medium of claim 17, wherein the executing of the script does not perform the operation on the second virtual machine when the second property of the second virtual device assigned to the second virtual machine does not satisfy the condition.

19. The non-transitory machine-readable storage medium of claim 15, wherein the plurality of types of events comprises a stopping of the virtual machine, a start of the virtual machine, a destruction of the virtual machine, a pausing of the virtual machine, an unpausing of the virtual machine, a hibernation of the virtual machine, a de-hibernation of the virtual machine, a migration of the virtual machine, a disconnection of a virtual device from the virtual machine, and a disconnection of a virtual device to the virtual machine.