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

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6. INTEGRATION WITH VIRTU 6.5. Summary way, each class in the package knows the exact location of the others and is always able to call them. There are still two components left to implement: the graphical interface for the User Interface and the configurator. The first consists on a graphical interface which allows the administrator to define new grammars, in a practical and efficient way. It should provide the administrator with functionalities such as configuration file syntax highlight, new pattern definition, etc. The SmART prototype offers the necessary functionalities for the implementation of this component, there- fore, the remaining work consists on designing the graphical interface and linking it with the other SmART components. The implementation of the configurator involves the design of an interface from where the user can alter the configuration file parameters. This interface should also generate a script which recognizes the XML generic syntax. That script is used to traverse a Publication File, applying the required changes as it comes upon the right parameters, consequently generating a new Publication File containing the desired parameterization. Apart from the previous considerations, the integration process should unfold in a seam- less way, providing the VIRTU tool with the ability to automatically configure applications, regardless of their vendors. 78
7 Conclusion and Future work The concepts of virtualization and, more particularly, virtual appliance, rose to significant importance in the last few years. Virtualization allows for the consolidation of many underuti- lized servers into fewer machines, increased infrastructural utilization, easy replication and replication of virtual machines, among many other benefits. Virtual appliances are a conse- quence of the virtualization advancements and refer to VMs composed solely of a minimal OS and a set of applications, optimized to perform a specific computational task. The VIRTU project is a collective effort by a consortium of enterprises and universities, whose objective is to develop a platform for the creation and management of virtual appliances. Nowadays, the offering of virtualization solutions is increasing each day, but the configuration of virtual appliances is still a mainly manual task. Since a single machine tends to garner many VAs, configuring them in an effective way has become a problem. VIRTU tries to exploit this opportunity by offering on-demand configuration of applications, independently of their vendor. This thesis tackles the problem of automatic configuration of applications, regardless of their vendors, in virtual appliances. The automatic configuration of applications is important since it allows for the reduction of required time to configure applications. It assumes a special importance if we consider a business scenario, where much time is wasted in configuration du- ties. A hurdle for the application configuration, regardless of the vendor, is that nowadays, applications already represent their configurations on widely adopted standards, although many of those standards exist and the majority of the applications resort to vendor-specific formats. The aim of this work consists on creating a framework that allows the abstraction of the used formats, allowing for the configuration process to be the same for every application, as well as automating that process from it results the least human interaction. At first, two possible ways to deal with this subject were approached: configure the appli- 79
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Universidade Nova de Lisboa Faculda
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To my family and friends, who suppo
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Sumário Entre os sectores de tecno
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CONTENTS 3.5 Modifying the Configur
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List of Figures 2.1 Virtual applian
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List of Listings 1.1 Apache configu
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1 Introduction This dissertation pr
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1. INTRODUCTION 1.2. Problem Descri
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1. INTRODUCTION 1.5. Document Organ
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2. STATE OF THE ART AND RELATED WOR
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Bibliography [Ama09] Amazon. Amazon
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BIBLIOGRAPHY [Sol09a] Evolve Space
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Dissertaç ˜ao de Mestrado Mestrado em Engenharia Informática Jo ...

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