Migrating servers into a secured environment

• US 9,652,263 B2
• Filed: 06/15/2015
• Issued: 05/16/2017
• Est. Priority Date: 06/15/2015
• Status: Active Grant

• Current Assignee: Kyndryl Incorporated
• Original Assignee: International Business Machines Corporation
• Inventors: Pfitzmann, Birgit M., Graf, Florian D., Rissmann, Rudiger, Xiang, Min, Xiao, Li Juan, Zhang, Chi L., Nidd, Michael E., Widmayer, Gerhard, Yu, Shao Yang
• Primary Examiner(s): Prifti, Aurel
• Application Number:
  US14/739,064
• Publication Number:
  US 20160364252A1
• Time in Patent Office: 701 Days
• Field of Search: 718 1, 709203, 709235, 709226, 709223, 713 2, 726 28
• CPC Class Codes: G06F 2009/45575 Starting, stopping, suspending or resuming virtual machine instances
• CPC Class Codes: G06F 2009/45579 I/O management, e.g. providing access to device drivers or storage
• CPC Class Codes: G06F 2009/45587 Isolation or security of virtual machine instances
• CPC Class Codes: G06F 9/4416 Network booting; Remote initial program loading [RIPL]
• CPC Class Codes: G06F 9/44505 Configuring for program initiating, e.g. using registry, configuration files
• CPC Class Codes: G06F 9/45558 Hypervisor-specific management and integration aspects

Abstract

In one approach, one or more computer processors provision an instance in a cloud computing environment, wherein the instance includes one or more local disks. The one or more computer processors boot the instance from a boot image such that an operating system exists in a main memory of the instance. The one or more computer processors copy an image file to the one or more local disks of the instance, where copying the image file overwrites the one or more local disks. The one or more computer processors reboot the instance.

Claims

1. A method comprising:

provisioning, by one or more computer processors, an instance, wherein the instance includes one or more local disks, and wherein the instance resides in a secured environment;

shutting down, by the one or more computer processors, the instance;

attaching, by the one or more computer processors, an in memory boot image to the instance, wherein the in memory boot image includes an operating system;

changing, by the one or more computer processors, a boot sequence such that subsequent booting of the instance utilizes the attached in memory boot image;

booting, by the one or more computer processors, the instance with the in memory boot image such that the operating system exists in a main memory of the instance;

copying, by the one or more computer processors, an image file to the one or more local disks of the instance, wherein copying the image file overwrites the one or more local disks; and

rebooting, by the one or more computer processors, the instance.

2. The method of claim 1, wherein the in memory boot image is a virtual compact disk.

3. The method of claim 1, further comprising, after said booting the instance from the in memory boot image, configuring, by the one or more computer processors, network settings for the instance, said configuring comprising assigning, by the one or more computer processors, correct internet protocol addresses such that the instance has network accessibility.

4. The method of claim 1, wherein said copying an image file to the one or more local disks of the instance comprises:

mounting, by the one or more computer processors, a file server such that an image file included in the file server is accessible to the operating system of the instance; and

copying, by the one or more computer processors, the image file from the file server to the one or more local disks of the instance.

5. The method of claim 1, further comprising:

identifying, by the one or more computer processors, a primary disk of the instance;

mounting, by the one or more computer processors, the primary disk; and

injecting, by the one or more computer processors, one or more scripts into the primary disk such that the one or more scripts are run during a subsequent reboot of the instance.

6. The method of claim 1, wherein said rebooting the instance comprises:

shutting down, by the one or more computer processors, the instance; and

removing, by the one or more computer processor, the in memory boot image from the instance.

7. The method of claim 6, wherein said removing the in memory boot image from the instance comprises changing, by the one or more computer processors, a boot sequence to a standard boot sequence.

8. The method of claim 1, wherein the instance comprises at least one of:

a physical machine, a virtual machine, or a server.

9. A computer program product comprising:

one or more computer readable storage devices and program instructions stored on the one or more computer readable storage devices, the stored program instructions comprising;

program instructions to provision an instance, wherein the instance includes one or more local disks, and wherein the instance resides in a secured environment;

program instructions to shut down the instance;

program instructions to attach an in memory boot image to the instance, wherein the in memory boot image includes an operating system;

program instructions to change a boot sequence such that subsequent booting of the instance utilizes the attached in memory boot image;

program instructions to boot the instance with the in memory boot image such that the operating system exists in a main memory of the instance;

program instructions to copy an image file to the one or more local disks of the instance, wherein copying the image file overwrites the one or more local disks; and

program instructions to reboot the instance.

10. The computer program product of claim 9, wherein the in memory boot image is a virtual compact disk.

11. The computer program product of claim 9, wherein the program instructions to copy an image file to the one or more local disks of the instance comprise:

program instructions to mount a file server such that an image file included in the file server is accessible to the operating system of the instance; and

program instructions to copy the image file from the file server to the one or more local disks of the instance.

12. The computer program product of claim 9, the stored program instructions further comprising:

program instructions to identify a primary disk of the instance;

program instructions to mount the primary disk; and

program instructions to inject one or more scripts into the primary disk such that the one or more scripts are run during a subsequent reboot of the instance.

13. The computer program product of claim 9, wherein the program instructions to reboot the instance comprise:

program instructions to shut down the instance; and

program instructions to remove the in memory boot image from the instance.

14. A computer system comprising:

one or more computer processors;

one or more computer readable storage devices;

program instructions stored on the one or more computer readable storage devices for execution by at least one of the one or more computer processors, the stored program instructions comprising;

program instructions to provision an instance, wherein the instance includes one or more local disks, and wherein the instance resides in a secured environment;

program instructions to shut down the instance;

program instructions to attach an in memory boot image to the instance, wherein the in memory boot image includes an operating system;

program instructions to change a boot sequence such that subsequent booting of the instance utilizes the attached in memory boot image;

program instructions to boot the instance with the in memory boot image such that the operating system exists in a main memory of the instance;

program instructions to copy an image file to the one or more local disks of the instance, wherein copying the image file overwrites the one or more local disks; and

program instructions to reboot the instance.

15. The computer system of claim 14, wherein the in memory boot image is a virtual compact disk.

16. The computer system of claim 14, wherein the program instructions to copy an image file to the one or more local disks of the instance comprise:

program instructions to mount a file server such that an image file included in the file server is accessible to the operating system of the instance; and

program instructions to copy the image file from the file server to the one or more local disks of the instance.

17. The computer system of claim 14, the stored program instructions further comprising:

program instructions to identify a primary disk of the instance;

program instructions to mount the primary disk; and

program instructions to inject one or more scripts into the primary disk such that the one or more scripts are run during a subsequent reboot of the instance.