Zen of Cloud: Learning Cloud Computing by Examples on Windows Azure

508 Pages·2014·78.007 MB·English

by  Haishi Bai

Information Technology
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Zen of Cloud
This book explains the various concepts of Azure in a logical and clear manner. ... The a
book consists of 69 complete, end-to-end examples that provide step-by-step guidance on
i
implementing typical cloud-based scenarios. The examples cover a wide range of application
types and technologies with different levels of difficulties.
—Pierre Masai, CIO of Toyota Motor Europe
Learning Cloud Computing by Examples
Zen of Cloud: Learning Cloud Computing by Examples on Microsoft Azure provides
comprehensive coverage of the essential theories behind cloud computing and the Windows Azure
on Microsoft Azure
cloud platform. Sharing the author’s insights gained while working at Microsoft’s headquarters,
Z
it presents nearly 70 end-to-end examples with step-by-step guidance on implementing typical
cloud-based scenarios.
e
The book is organized into four sections: cloud service fundamentals, cloud solutions, devices and
n
cloud, and system integration and project management. Each chapter contains detailed exercises
that provide readers with the opportunity to develop valuable hands-on skills in cloud service
development.
o
• Explains how to prepare for Microsoft Azure development and how to use
Microsoft Azure Management Portal
• Provides best practices for designing cloud-based applications f
• Includes online access to updated examples and answers to the exercises
C
Supplying comprehensive coverage of the Windows Azure cloud platform, the book provides a
practical understanding and powerful tips that readers can immediately apply to their own work—
l
making it ideal for cloud system developers, architects, and IT professionals. Organized into easily
o
digestible sessions, it is also ideal for use in instructional settings.
u
d
K22024
ISBN: 978-1-4822-1580-9
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K22024 cvr mech.indd 1 7/15/14 9:08 AM

Zen of Cloud
Learning Cloud Computing by Examples
on Microsoft Azure

Zen of Cloud
Learning Cloud Computing by Examples
on Microsoft Azure
Haishi Bai
CRC Press
Taylor & Francis Group
6000 Broken Sound Parkway NW, Suite 300
Boca Raton, FL 33487-2742
© 2015 by Taylor & Francis Group, LLC
CRC Press is an imprint of Taylor & Francis Group, an Informa business
No claim to original U.S. Government works
Version Date: 20140624
International Standard Book Number-13: 978-1-4822-1581-6 (eBook - PDF)
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Contents
Foreword ...........................................................................................................................xiii
SeCtion i CLoUD CoMPUtinG FUnDAMentALS
1 Overview of Cloud Computing ....................................................................................3
1.1 History ....................................................................................................................3
1.2 Essence of Cloud Computing ..................................................................................5
1.2.1 Elasticity .....................................................................................................6
1.2.1.1 On and Off Mode ......................................................................7
1.2.1.2 Rapid-Growth Mode ..................................................................8
1.2.2 Availability .................................................................................................8
1.2.2.1 Fault Domain .............................................................................9
1.2.2.2 Update Domain .........................................................................10
1.2.3 Scalability ..................................................................................................10
1.3 Microsoft Azure Overview .....................................................................................11
1.3.1 IaaS (Infrastructure as a Service) ...............................................................11
1.3.2 PaaS (Platform as a Service) ......................................................................12
1.3.3 SaaS (Software as a Service) .......................................................................13
1.3.4 Cost Calculation ........................................................................................15
1.4 Preparing the Development Environment for Microsoft Azure...............................16
1.4.1 Subscribe to Microsoft Azure .....................................................................16
1.4.2 Install Software Development Kit .............................................................16
1.5 Introduction of Microsoft Azure Management Portal .............................................16
1.5.1 Sign In .......................................................................................................17
1.5.2 Page Layout ...............................................................................................17
1.6 Summary ................................................................................................................19
2 Building Websites on the Cloud .................................................................................21
2.1 Microsoft Azure Websites .......................................................................................21
2.2 Website Deployment and Upgrade .........................................................................25
2.3 Integration with Source Control Systems...............................................................32
2.4 Scaling of Websites ................................................................................................37
v
vi ◾ Contents
2.4.1 Vertical Scaling .........................................................................................37
2.4.2 Horizontal Scaling ....................................................................................39
2.4.3 Autoscaling ...............................................................................................39
2.5 Migrating Existing ASP.NET Websites .................................................................40
2.5.1 Azure Websites Runtime Environment .....................................................40
2.5.2 Data Storage ..............................................................................................41
2.5.3 Session States .............................................................................................41
2.6 Website Gallery ......................................................................................................41
2.7 Website Configuration...........................................................................................42
2.8 Website Diagnostics and Monitoring .....................................................................49
2.8.1 Website Diagnostics ..................................................................................49
2.8.2 Website Monitoring ...................................................................................52
2.8.3 Custom Domain Names ...........................................................................54
2.9 Summary ................................................................................................................55
3 Cloud Service Fundamentals ......................................................................................57
3.1 Microsoft Azure Cloud Services .............................................................................57
3.2 Cloud Services and Roles ........................................................................................61
3.2.1 Role ..........................................................................................................63
3.2.2 Cloud Service ...........................................................................................63
3.3 Basic Steps of Cloud Service Deployment ..............................................................64
3.4 Cloud Service Deployments and Upgrades ............................................................69
3.4.1 Incremental Updates (Update Domain Walk) ..........................................70
3.4.2 Simultaneous Updates ..............................................................................70
3.4.3 Multiple Deployment Environments ........................................................70
3.5 Instances and Load Balancing ................................................................................74
3.5.1 Instances ...................................................................................................75
3.5.2 Load Balancing ..........................................................................................76
3.6 Configuration File and Definition File ..................................................................79
3.6.1 Cloud Service Definition File (.csdef) .......................................................80
3.6.2 Cloud Service Configuration File (.cscfg) ..................................................81
3.7 Summary ...............................................................................................................84
4 Advanced Cloud Service .............................................................................................85
4.1 Endpoint Types ......................................................................................................85
4.1.1 Input Endpoint ..........................................................................................85
4.1.2 Internal Endpoint ......................................................................................85
4.1.3 InstanceInput Endpoint ............................................................................86
4.2 Worker Role ..........................................................................................................88
4.2.1 Worker Role Application Scenarios ...........................................................90
4.3 Inter-Role Communications ..................................................................................96
4.3.1 Options for Inter-Role Communication ...................................................96
4.4 Role Lifecycle ......................................................................................................100
4.4.1 Process of Deploying and Launching a Role Instance .............................100
4.4.2 Role Instance Statuses .............................................................................101
4.5 Startup Tasks ........................................................................................................102
Contents ◾ vii
4.5.1 Defining Startup Tasks ............................................................................102
4.5.2 Startup Task Properties ...........................................................................103
4.6 Diagnostics and Debug ........................................................................................109
4.6.1 Debugging Locally ..................................................................................109
4.6.2 Microsoft Azure Diagnostics ...................................................................109
4.6.3 IntelliTrace ..............................................................................................114
4.6.4 Monitoring Cloud Service .......................................................................119
4.7 Developer Community ........................................................................................123
4.8 Summary ..............................................................................................................125
5 Data Storage: Relational Database ...........................................................................127
5.1 Microsoft Azure Data Storage Solutions ..............................................................127
5.2 SQL Database Overview ......................................................................................129
5.2.1 Differences between an SQL Database and an SQL Server ......................129
5.3 SQL Database Management and Optimization ....................................................139
5.3.1 SQL Server Management Studio .............................................................139
5.3.2 Microsoft SQL Server Data Tools ............................................................144
5.3.3 Dynamic Management Views ..................................................................145
5.3.4 Query Optimization ................................................................................146
5.4 Data Sync and Migration .....................................................................................149
5.4.1 Data-Tier Application ..............................................................................149
5.4.2 Data Sync ................................................................................................152
5.5 Periodically Backup Your SQL Databases .............................................................157
5.6 Use MySQL Database ..........................................................................................159
5.6.1 Microsoft Azure Store ..............................................................................159
5.6.2 Purchasing MySQL Service .....................................................................160
5.6.3 Other Means to Run MySQL ..................................................................161
5.7 Summary ..............................................................................................................161
6 Data Storage: Storage Services .................................................................................163
6.1 Local Storage ........................................................................................................163
6.2 Overview of Microsoft Azure Storage Services .....................................................164
6.2.1 Microsoft Azure Storage Account ............................................................165
6.2.2 Provisioning a Windows Storage Account ...............................................167
6.2.3 Storage Account Access Keys ...................................................................168
6.3 Using BLOB Storage ............................................................................................170
6.3.1 BLOB Storage Overview .........................................................................170
6.3.2 Block BLOB and Page BLOB ..................................................................184
6.3.3 ETag and Snapshots .................................................................................187
6.3.4 REST API ...............................................................................................187
6.3.5 Shared Access Signature and Stored Access Policies .................................188
6.3.6 BLOB Update, Copy, and Lease ..............................................................190
6.3.7 Error Handling ........................................................................................190
6.4 Using Table Storage ..............................................................................................190
6.4.1 Table Storage Overview ...........................................................................190
6.4.2 Optimizing Data Partition ......................................................................191
viii ◾ Contents
6.4.3 Query Table Data ...................................................................................204
6.4.4 Other Operations ...................................................................................204
6.4.5 Batch Operations ....................................................................................205
6.4.6 Dynamic Table Entities ..........................................................................205
6.4.7 Shared Access Signatures ........................................................................206
6.5 Use Queue Storage ..............................................................................................206
6.5.1 Queue Storage Overview ........................................................................206
6.5.2 Programmatically Operate Queues .........................................................207
6.6 Monitor Storage Accounts ...................................................................................209
6.6.1 Configure Storage Service Monitoring.....................................................210
6.6.2 Cost of Service Monitoring ......................................................................211
6.7 Summary ..............................................................................................................211
7 Virtual Machines and Virtual Networks ..................................................................213
7.1 Microsoft Azure IaaS ............................................................................................213
7.2 Disk Images and Virtual Disks ............................................................................220
7.3 Virtual Machine Communications ......................................................................228
7.3.1 Virtual Machine Endpoints ....................................................................228
7.3.2 Virtual Machines under the Same Cloud Service ...................................230
7.4 Virtual Networks .................................................................................................234
7.4.1 Virtual Networks Overview ....................................................................235
7.4.2 Point-to-Site Virtual Network ................................................................237
7.4.3 Site-to-Site Virtual Network ...................................................................243
7.4.4 ExpressRoute ..........................................................................................243
7.5 Summary .............................................................................................................243
SeCtion ii CLoUD SoLUtionS
8 Cloud Solution Architecture ....................................................................................247
8.1 Client/Server ........................................................................................................247
8.1.1 Characteristics of Client/Server Architecture ...........................................247
8.1.1.1 Benefits ....................................................................................247
8.1.1.2 Shortcomings ...........................................................................249
8.1.2 Client/Server Architecture on Cloud .......................................................249
8.1.3 Multitenant System Design .....................................................................251
8.1.4 Migrating Client/Server Systems to Cloud ..............................................253
8.1.5 Client/Server Systems on Microsoft Azure ...............................................253
8.1.6 Mobile Clients ........................................................................................254
8.2 Browser/Server .....................................................................................................254
8.2.1 Characteristics of Browser/Server Architecture ........................................255
8.2.2 Browser/Server Architecture on Cloud.....................................................256
8.2.3 Difficulties of Adapting an Existing Single-Tenant Browser/Server
Application for Multitenancy..................................................................264
8.2.4 Host Single-Tenant Systems on Microsoft Azure for Multiple Tenants ......267
8.3 n-Tiered Architecture ..........................................................................................269
8.3.1 Characteristics of n-Tiered Architecture .................................................269