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WebSphere Application Server Administration Using Jython

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WebSphere Application Server Administration Using Jython

By Robert A. Gibson, Arthur Kevin McGrath, Noel J. Bergman
Published Oct 18, 2009 by IBM Press.

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Description

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Description

Copyright 2010
Pages: 504
Edition: 1st

eBook
ISBN-10: 0-13-265086-X
ISBN-13: 978-0-13-265086-1

Save Time and Money: Streamline WebSphere Application Server Management with Jython Scripting!

Utilizing Jython scripting, you can dramatically reduce the effort, resources, and expense associated with managing WebSphere Application Server. WebSphere Application Server Administration Using Jython will show you how. The first start-to-finish guide to Jython scripting for WebSphere administration, this book’s practical techniques and downloadable scripts can help you improve efficiency, repeatability, and automation in any WebSphere environment.

This book’s expert authors begin with practical introductions to both WebSphere Application Server administration and Jython, today’s powerful, Java implementation of Python. Next, they cover a broad spectrum of WebSphere management tasks and techniques, presenting real, easy-to-adapt solutions for everything from server configuration and security to database management. These are powerful solutions you can begin using immediately–whether you’re running WebSphere in production, development, or test environments.

Coverage includes

Mastering the Jython rules, characteristics, and properties that are most valuable in WebSphere scripting
Viewing and manipulating WebSphere configuration and run-time details
Making the most of the wsadmin scripting engine and objects–including rarely-used wsadmin parameters that can simplify administration
Adjusting wsadmin properties to reflect your needs and environment
Using the AdminApp scripting object to list, view, install, uninstall, and modify AppServer applications
Using the AdminTask object to manipulate WebSphere Application Server at a high level
Configuring the WebSphere Application Server with AdminConfig
Manipulating active AppServer objects (MBeans) with AdminControl
Controlling security, including aliases, roles, administrative and application security, and multiple security domains

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Acknowledgments . . . xxi

About the Authors . . . xxiii

Chapter 1 Introduction . . . 1

Why Is This Book Necessary? . . . 1

About the Websphere Application Server Product . . . 2

This Book and Its Organization . . . 2

Chapter 2 Jython Fundamentals . . . 5

Introduction . . . 6

Data Types . . . 6

Numbers . . . 7

Strings . . . 8

Tuples . . . 11

Lists . . . 12

Accessing Sequence Elements . . . 12

Dictionaries . . . 14

Additional Information Types . . . 15

Literals (Constants) . . . 15

Variables Names (Identifiers) . . . 15

Variables . . . 16

Expressions . . . 18

String Operators . . . 19

Statement Separator . . . 25

Comments . . . 26

Coding Conventions . . . 26

Summary . . . 26

Chapter 3 Jython Statements . . . 27

Expression Statements . . . 27

The print Statement . . . 27

Assignment Statements . . . 28

Packing and Unpacking . . . 30

Augmented Assignment . . . 32

Slices . . . 32

Simple Statements . . . 35

The assert Statement . . . 35

The break Statement . . . 36

The continue Statement . . . 36

The del Statement . . . 36

The exec Statement . . . 38

The import Statement . . . 39

The pass Statement . . . 39

The raise Statement . . . 39

Control Flow . . . 39

Compound Statements . . . 42

The if Statement . . . 42

loop Statements . . . 42

The while Statement . . . 43

The for Statement . . . 44

The try Statement . . . 47

Functions . . . 49

Function Definitions . . . 50

Namespaces . . . 51

The global Statement . . . 51

Function Parameters . . . 53

The return Statement . . . 58

Default Parameter Evaluation . . . 60

Summary . . . 62

Chapter 4 Jython Classes . . . 63

Class Statement . . . 63

Example class Definition . . . 64

Object Instantiation . . . 66

Built-in Constants . . . 66

Built-in Data Types . . . 67

List Methods . . . 67

Dictionary Methods . . . 69

String Methods . . . 71

String Formatting . . . 74

Built-in Functions . . . 77

Summary . . . 86

Chapter 5 Jython Modules . . . 87

Jython Module Basics . . . 87

The import Statement . . . 88

nested_scopes . . . 90

Packages . . . 92

Errors and Exceptions . . . 92

Built-in Exceptions . . . 93

Functional Programming . . . 94

Using Java Objects and Libraries . . . 95

Jython Standard Library . . . 97

getopt() Module . . . 100

Regular Expressions (RegExp) . . . 107

Summary . . . 112

Chapter 6 wsadmin . . . 113

wsadmin Options . . . 115

Usage Information . . . 116

The Java Virtual Machine Initialization Phase . . . 116

The wsadmin Environment Initialization Phase . . . 116

The Connection Phase . . . 120

Defining the Scripting Language . . . 122

Trace-Related Options . . . 122

wsadmin Profile Script Files . . . 123

Commands and Script Files . . . 126

Interactive/Interpretive wsadmin Session . . . 128

Summary . . . 128

Chapter 7 Introduction to Admin Objects . . . 129

The Administrative Scripting Objects . . . 129

Help for the Help Object . . . 134

Help for MBeans . . . 136

Help for MBean Attributes . . . 138

Help for MBean Operations . . . 140

Help for Additional MBean Information . . . 142

Help for Other Administrative Objects . . . 144

Help for WebSphere Messages . . . 145

Useful Information . . . 145

Summary . . . 147

Chapter 8 The AdminConfig Object . . . 149

AdminConfig Overview . . . 149

Configuration Identifier (config ID) . . . 150

Containment Path . . . 151

Configuration Types . . . 152

Using a config ID . . . 153

Show and Tell Methods . . . 155

Create and Modify Methods . . . 160

Configuration Verification/Validation . . . 162

Document Manipulation Methods . . . 164

Miscellaneous Methods . . . 164

Summary . . . 165

Chapter 9 The AdminControl Object . . . 167

Environment Information and Manipulation . . . 167

MBean Support Methods . . . 172

Objects, Names, and Instances . . . 173

Attribute-Related Methods . . . 174

Miscellaneous Methods . . . 181

*_jmx Methods . . . 183

Summary . . . 184

Chapter 10 The AdminApp Object . . . 185

Application Informational Methods . . . 185

Application Installation Methods . . . 190

Edit, Update, and Uninstall . . . 194

Miscellaneous AdminApp Methods . . . 196

Summary . . . 198

Chapter 11 The AdminTask Object–Server Management . . . 199

Introduction 199

Simple One-Line Examples . . . 201

ServerType-Related Methods . . . 202

Creating Servers and Clusters . . . 205

Server-Related Commands . . . 209

create*Server Optional and Required Steps . . . 212

Server Template-Related Commands . . . 214

JVM-Related Methods . . . 216

JVM System Properties . . . 217

JVM Properties . . . 218

z/OS-Specific Methods . . . 220

Miscellaneous ServerManagement Methods . . . 220

Reference Section . . . 223

Node Group Command Group and Core Group Command Group . . . 224

AdminReports Command Group . . . 226

ClusterConfigCommands Command Group . . . 226

ConfigArchiveOperations Command Group . . . 231

GenerateSecurityConfigCommand Command Group . . . 232

PortManagement Command Group . . . 232

ServerManagement Command Group . . . 233

Server Management Methods that Do Not Belong to Any Command Group . . . 238

Summary . . . 239

Chapter 12 Scripting and Security . . . 241

WebSphere Security Basics . . . 241

JAAS (J2C) Aliases . . . 242

Create a J2C (JAAS) Alias . . . 242

Viewing JAAS Aliases . . . 244

Modify a JAAS Alias . . . 245

Delete a JAAS Alias . . . 246

Configuring Application Security . . . 249

Enabling/Disabling Administrative and Application Security . . . 249

Mapping Java EE Roles . . . 250

Review the Current and Available Mappings . . . 251

Mapping Roles to Users and/or Groups . . . 251

Enable/Disable Java 2 Security . . . 253

LDAP Failover . . . 255

Viewing the Hosts . . . 257

Adding Additional LDAP Hosts . . . 258

Setting the Host List . . . 258

Removing LDAP Hosts . . . 259

Federated Registries (and Other Essentially Undocumented Scripting Areas) . . . 260

Multiple Security Domains (WebSphere V7) . . . 261

Additional Security Topics . . . 263

Bus Security . . . 263

Datasources . . . 263

Web Services . . . 264

AdminTask Security Reference . . . 264

SecurityConfigurationCommands Group . . . 264

SecurityDomainCommands Group . . . 270

SecurityRealmInfoCommands . . . 272

WIMManagementCommands . . . 273

WizardCommands . . . 274

JACCUtilityCommands . . . 275

IdMgrRepositoryConfig . . . 275

Chapter 13 Databases and Authorization . . . 277

Database Basics . . . 277

Terminology . . . 278

A Simple Example . . . 278

Troubleshooting Configuration Problems . . . 280

Advanced Settings . . . 284

Databases Reference Section . . . 291

JDBCProviderManagement Group . . . 291

VariableConfiguration Group . . . 294

Useful MBeans . . . 296

Summary . . . 300

Chapter 14 Messaging . . . 301

An Introduction to Messaging . . . 301

Messaging Basics . . . 302

Terminology . . . 303

Example: Creating a Bus . . . 303

Example: Deleting a Bus . . . 308

Security . . . 310

Enabling Bus Security . . . 311

Example: Enabling Bus Access Security . . . 312

Example: Enabling Transport Security . . . 314

Reference Section . . . 317

Creating Message Buses . . . 317

Deleting a Bus and Bus Components . . . 326

Modifying a Bus and Bus Components . . . 329

Displaying Buses and Bus Components . . . 334

Bus Security . . . 337

Summary . . . 344

Chapter 15 Administering Web Services . . . 345

Web Services Basics . . . 346

WS-I Profiles . . . 346

WSDL and SOAP . . . 347

A Web Service Example . . . 348

Web Services Runtimes . . . 351

Managing Web Services . . . 352

Exploring Web Services . . . 353

Listing Web Services . . . 353

Listing Web Services Information . . . 354

Exporting the WSDL for a Web Service . . . 355

Web Service Policy Sets . . . 355

Policy Set Bindings . . . 362

Policy Set Attachment . . . 368

Policy Topics Summary . . . 371

Additional Topics . . . 371

Enable/Disable Endpoints . . . 371

WS-Notification . . . 371

Web Services and the Service Integration Bus . . . 372

Mediations . . . 372

Web Services Gateway . . . 372

Online References . . . 372

AdminTask Web Services Reference . . . 373

SIBWebServices Group . . . 374

KeyManagerCommands . . . 377

KeyStoreCommands . . . 378

KeySetCommands . . . 381

PolicySetManagement Group . . . 382

WebServicesAdmin Group . . . 390

Chapter 16 Version 7.0 Scripting Libraries . . . 393

Library Organization . . . 393

Scripting Library Help . . . 397

Default Failure Action . . . 398

AdminApplication Script Library Module . . . 399

AdminApplication Group 1–Install and Uninstall Applications . . . 400

AdminApplication Group 2–Query Application Configurations . . . 403

AdminApplication Group 3–Update Applications . . . 404

AdminApplication Group 4–Export Applications . . . 406

AdminApplication Group 5–Configure Application Deployment . . . 407

AdminApplication Group 6–Start/Stop Applications . . . 408

Business-Level Applications (AdminBLA) . . . 409

Java 2 Connector (AdminJ2C) Library Module . . . 412

AdminJDBC Library Module . . . 414

AdminJMS Library Module . . . 416

AdminResources Library Module . . . 423

AdminAuthorizations Library Module . . . 428

AdminClusterManagement Library Module . . . 430

AdminServerManagement Library Module . . . 432

AdminServerManagement: Group 1–Server Configuration . . . 433

AdminServerManagement: Group 2–ServerTracingAndLogging Configuration . . . 437

AdminServerManagement: Group 3–OtherServicesConfiguration . . . 439

AdminNodeGroupManagement Library Module . . . 445

AdminNodeManagement Library Module . . . 446

AdminLibHelp and AdminUtilities Library Modules . . . 447

Summary . . . 447

Index . . . 449

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