Dissertaç ˜ao de Mestrado Mestrado em Engenharia Informática Jo ...

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LIST OF LISTINGS 5.7 Apache parameter with a single value in XML . . . . . . . . . . . . . . . . . . . . 57 5.8 Apache parameter with multiple values in XML . . . . . . . . . . . . . . . . . . . 57 5.9 Apache block in XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 5.10 Apache nested block in XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 5.11 Apache comment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 5.12 Apache Metadata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 5.13 Eclipse configuration file snippet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 5.14 Eclipse empty block in XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 5.15 Eclipse block with parameters in XML . . . . . . . . . . . . . . . . . . . . . . . . . 61 5.16 Eclipse nested blocks in XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 5.17 Eclipse comment in XML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 5.18 Eclipse Metadata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 G:/etc/mysql/my.cnf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 G:/home/citanul/workspace/conf2xml blox/src/httpd.conf . . . . . . . . . . . . . . 89 G:/home/citanul/workspace/conf2xml xml/src/workbench.xml . . . . . . . . . . . 120 G:/home/citanul/SACT/performance/pg ident.conf . . . . . . . . . . . . . . . . . . . 139 G:/home/citanul/SACT/performance/pg hba.conf . . . . . . . . . . . . . . . . . . . . 140 G:/home/citanul/SACT/performance/postgresql.conf . . . . . . . . . . . . . . . . . . 143 xx
1 Introduction This dissertation presents a framework for the automatic configuration of applications in virtual appliances. This framework, entitled Smart Application Reconfiguration Tool (SmART), configures any kind of application by transforming the application’s configuration files into a generic structure, dettached from the configuration file original syntax. This abstraction allows for a configurator to traverse configuration files in original syntax from any application and modify them to reflect a desired behaviour on the target application. As soon as the configurator manages to apply the changes, the information in the configuration files on generic syntax is used to reproduce them in their original syntax. This framework is very innovative on the grounds that it approaches the area of automatic application configuration, an area which ben- efits from few contributions and currently does not offer many solutions for that endeavour. This chapter is structured on the following way: Section 1.1 explains the motivation for the resolution of the problem, Section 1.2 defines the problem to be solved, Section 1.3 reveals how that problem can be solved, Section 1.4 enumerates the contributions of this dissertation for the problem solution and Section 1.5 presents the organization of the remainder of this dissertation. 1.1 Motivation The virtualization area is a very hot and fast-moving area of Information Technology (IT). Al- though virtualization is not an entirely new concept, only recently it has been noticed, devel- oped and studied carefully and in depth, so it is prone to more advancements and should be considered as a mainstream software deployment model for the future [VMw]. Despite the term and ideas of virtualization being quite old (1960’s), only recently it has been given increased attention [Sin04]. Companies which recur to IT services are increasingly aware of virtualization due to the crucial changes it brings along. Virtualization makes it pos- 1
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Bibliography [Ama09] Amazon. Amazon
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BIBLIOGRAPHY [Sol09a] Evolve Space
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