Method and system using parameterized configurations

• US 8,849,894 B2
• Filed: 12/30/2005
• Issued: 09/30/2014
• Est. Priority Date: 12/30/2005
• Status: Active Grant

• Current Assignee: SAP SE
• Original Assignee: SAP AG (SAP SE)
• Inventors: Mueller, Thomas, Zenz, Ingo
• Primary Examiner(s): Jagannathan, Melanie
• Assistant Examiner(s): Ansari, Najeebuddin
• Application Number:
  US11/323,438
• Publication Number:
  US 20070156432A1
• Time in Patent Office: 3,196 Days
• Field of Search: 709/227, 709/228, 709220-226, 709/201, 709/202, 709/203
• US Class Current: 709/203
• CPC Class Codes: G06Q 99/00 Subject matter not provided for in other groups of this subclass

Abstract

A system and method to reduce configuration administration using system independent configuration parameters. A persistent storage unit returns system independent configuration entries. Some of the entries contain parameters. A configuration resolver resolves the parameter to obtain a static value for the configuration entry that may be passed to a configuration consumer.

Claims

1. A system comprising:

a database to persistently store a plurality of system-independent configuration entries;

a first configuration module, running in a first server node at a cluster and coupled to the database, the first configuration module to resolve a parameterized value of a configuration entry of the plurality of system independent configuration entries into a first static value based on a first system context, the first system context specifying a value of a hardware attribute of a first configuration consumer upon which the resolving of the parameterized value of the first configuration entry into the first static value depends, the first configuration module comprising a parser to parse the first configuration entry to identify the parameterized value and a matching module to match the value of the hardware attribute to the parameterized value;

a second configuration module, running in a second server node at the cluster and coupled to the database, the second configuration module to resolve the parameterized value of the configuration entry of the plurality of system independent configuration entries into a second static value based on a second system context, the second system context specifying a value of a hardware attribute of a second configuration consumer upon which the resolving of the parameterized value of the first configuration entry into the second static value depends, the second configuration module implemented by one or more processors;

the first configuration consumer coupled to the first configuration module to receive distribution of the first static value from the first configuration module; and

the second configuration consumer coupled to the second configuration module to receive distribution of the second static value from the second configuration module, the resolving of the configuration entry into the first static value and the resolving of the configuration entry into the second static value reducing a redundancy of system-specific values stored in the database.

2. The system of claim 1, wherein the first configuration module further comprises a filter to selectively prevent configuration entries from being passed to the parser.

3. The system of claim 1, wherein the first configuration module is to create the first system context when the server node starts up and wherein the system further comprises a file system to retain the first system context.

4. The system of claim 1, wherein the first configuration consumer comprises one of:

an application;

a manager; and

a service.

5. A method comprising:

storing a plurality of system-independent configuration entries in a database;

resolving, in a first server node at a cluster, a parameterized value of a configuration entry of the plurality of system independent configuration entries into a first static value based on a first system context, the first system context specifying a value of a hardware attribute a first configuration consumer upon which the resolving of the parameterized value of the first configuration entry into the first static value depends, the resolving including parsing the first configuration entry to identify the parameterized value and matching the value of the hardware attribute to the parameterized value;

resolving, in a second server node at the cluster, the parameterized value of the configuration entry of the plurality of system independent configuration entries into a second static value based on a second system context, the second system context specifying a value of a hardware attribute of a second configuration consumer upon which the resolving of the parameterized value of the first configuration entry into the second static value depends, the resolving of the configuration entry into the first static value and the resolving of the configuration entry into the second static value being implemented by one or more processors and reducing a redundancy of system-specific values stored in the database;

distributing the first static value from the first configuration module to the first configuration consumer; and

distributing the second static value from the second configuration module to the second configuration consumer.

6. The method of claim 5, further comprising creating the first system context when the server node starts up and retaining the first system context in a file system.

7. The system of claim 5, wherein the first configuration consumer comprises one of:

an application;

a manager; and

a service.

8. The method of claim 5, further comprising:

identifying a plurality of static values corresponding to system configuration features, the first static value being one of the plurality of static values; and

storing each of the plurality of static values in association with an identifier.

9. The method of claim 8, further comprising retaining the plurality of static values as a file in a file system.

10. The method of claim 5, the operations further comprising creating the first system context using instance profiles for instances in a system.

11. The method of claim 5, further comprising using a filter to prevent parsing of some configuration entries.

12. The method of claim 5, wherein the abstract configuration entry includes a link to find at least one of a parameterized value, a value link, and an arithmetic expression.

13. The method of claim 5, further comprising determining that the abstract configuration entry is not in a form that is to be passed as the first static value to the first configuration consumer without parsing despite the abstract configuration entry being in a form that is analogous to a semantic that is to be parsed.

14. A non-transitory machine-readable storage medium comprising a set of instructions that, when executed by one or more processors, causes the one or more processors to perform operations, the operations comprising:

storing a plurality of system-independent configuration entries in a database;

resolving, in a first server node at a cluster, a parameterized value of a configuration entry of the plurality of system independent configuration entries into a first static value based on a first system context, the first system context specifying a value of a hardware attribute a first configuration consumer upon which the resolving of the parameterized value of the first configuration entry into the first static value depends, the resolving including parsing the first configuration entry to identify the parameterized value and matching the value of the hardware attribute to the parameterized value;

resolving, in a second server node at the cluster, the parameterized value of the configuration entry of the plurality of system independent configuration entries into a second static value based on a second system context, the second system context specifying a value of a hardware attribute of a second configuration consumer upon which the resolving of the parameterized value of the first configuration entry into the second static value depends, the resolving of the configuration entry into the first static value and the resolving of the configuration entry into the second static value reducing a redundancy of system-specific values stored in the database;

distributing the first static value from the first configuration module to the first configuration consumer; and

distributing the second static value from the second configuration module to the second configuration consumer.

15. The non-transitory machine-readable storage medium of claim 14, further comprising creating the first system context when the server node starts up and retaining the first system context in a file system.

16. The non-transitory machine-readable storage medium of claim 14, wherein the first configuration consumer comprises one of:

an application;

a manager; and

a service.

17. The non-transitory machine-readable storage medium of claim 14, further comprising:

identifying a plurality of static values corresponding to system configuration features, the first static value being one of the plurality of static values; and

storing each of the plurality of static values in association with an identifier.

18. The non-transitory machine-readable storage medium of claim 17, further comprising retaining the plurality of static values as a file in a file system.

19. The non-transitory machine-readable storage medium of claim 14, the operations further comprising creating the first system context using instance profiles for instances in a system.

20. The non-transitory machine-readable storage medium of claim 14, further comprising using a filter to prevent parsing of some configuration entries.

21. The non-transitory machine-readable storage medium of claim 14, wherein the abstract configuration entry includes a link to find at least one of a parameterized value, a value link, and an arithmetic expression.

22. The non-transitory machine-readable storage medium of claim 14, further comprising determining that the abstract configuration entry is not in a form that is to be passed as the first static value to the first configuration consumer without parsing despite the abstract configuration entry being in a form that is analogous to a semantic that is to be parsed.