DevOps for VMware Administrators

Description

• Copyright 2015
• Dimensions: 7" x 9-1/8"
• Pages: 384
• Edition: 1st

• eBook
• ISBN-10: 0-13-379528-4
• ISBN-13: 978-0-13-379528-8

DevOps for VMware® Administrators is the first book focused on using DevOps tools and practices with VMware technologies. The authors introduce high-value tools from third parties and VMware itself, and guide you through using them to improve the performance of all your virtualized systems and applications. You’ll walk through automating and optimizing configuration management, provisioning, log management, continuous integration, and more.

The authors also offer step-by-step coverage of deploying and managing applications at scale with Docker containers and Google Kubernetes. They conclude with an up-to-the-minute discussion of VMware’s newest DevOps initiatives, including VMware vRealize Automation and VMware
vRealize Code Stream.

Coverage includes

     •    Understanding the challenges that DevOps tools and practices can help VMware administrators to solve

     •    Using Vagrant to quickly deploy Dev and Test environments that match production system specifications

     •    Writing Chef “recipes” that streamline server configuration and maintenance

     •    Simplifying Unix/Linux configuration management and orchestration with Ansible

     •    Implementing Docker containers for faster and easier application management

     •    Automating provisioning across the full lifecycle with Razor

     •    Integrating Microsoft PowerShell Desired State Configuration (DSC) and VMware PowerCLI to automate key Windows Server and vSphere VM admin tasks

     •    Using Puppet to automate infrastructure provisioning, configuration, orchestration, and reporting

     •    Supercharging log management with ELK (Elasticsearch, Logstash, Kibana)

     •    Supporting DevOps source code management with Git and continuous integration practices with Jenkins

     •    Achieving continuous integration, delivery, and deployment with VMware’s vRealize Code Stream

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Sample Content

Table of Contents

    About the Authors xvii

    About the Reviewers xviii

    Acknowledgments xix

    About the Contributing Author xx

    Introduction xxii

    About This Book xxiii

    You the Reader xxiii

    What This Book Covers xxiii

Part 1 Introduction to DevOps

1 Introduction to DevOps 1

    An Overview of DevOps Principles 1

    Implement Systems Thinking 3

        Change the Approach to Team Interactions 3

        Change the Approach to Infrastructure Deployment 5

        Change the Approach to Software Development and Deployment 6

        Collect and Respond to Useful Systems Feedback Often and Adjust Accordingly 7

    Furthering Your DevOps Knowledge and Skills 7

    Summary 8

    References 8

2 DevOps Tools 9

    Organizing for Success: Kanban 9

    Server Deployment 13

    Confi guration Management 14

    Continuous Integration 14

    Log Analysis 15

    Summary 15

    References 15

3 Setting Up a DevOps Confi guration Management Test Environment 17

    Environment Provisioning with AutoLab 17

    Environment Provisioning with Vagrant 18

    Creating Images with Packer 23

    Managing Source Code 24

            Using Git 24

    Summary 31

    References 31

Part 2 Puppet

4 Introduction to Puppet 33

    Puppet Architecture 33

        Standalone Deployment 34

        Master-Agent Deployment 34

    Preparing Your Puppet Test Lab 37

    Puppet Resources 38

    Puppet Manifests 39

        Conditional Expressions and Variables 43

    Puppet Modules 46

        Puppet Forge 48

        Creating Your First Puppet Module 48

        Puppet Module Initialization Manifest (init.pp) 50

        Templates 51

        Using a Puppet Module 54

        Final Step: Version Control Commit 54

    Summary 55

    Reference 55

5 Systems Management Tasks with Puppet 57

Optimizing the Web Tier with Data Separation 58

    Parameters Class (params.pp) 59

        Hiera 63

        Node Classifi cation 67

        Application Tier 68

    Database Tier 70

    Implementing a Production Recommended Practice 70

    Deploying the Application Environment 71

    Summary 71

    Reference 71

6 VMware vSphere Management with Puppet 73

    Puppet’s Cloud Provisioner for VMware vSphere 73

        Preparing VM Templates 73

        Preparing Puppet Master 74

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        Contents xi

    VMware’s Management Modules 77

        Using the vmware/vcenter Module 77

    Summary 83

    References 83

Part 3 Chef

7 Introduction to Chef 85

What Is Chef? 85

    Core Philosophies Behind Chef 86

    Order of Recipe 86

        Idempotence 86

        API-Based Server 87

        The Client Does All the Legwork 87

        Test-Driven Infrastructure 87

        Chef Terminology 87

    Recipe 88

        Cookbook 88

        Attributes 88

        Role 88

        Run List 88

        Resource 88

        Environments 88

    The Diff erence Between Hosted Chef and Chef Server 89

        Hosted Chef 89

    Chef Server 89

    Introduction to ChefDK 90

        What Is ChefDK? 90

        Installing ChefDK 90

    Using Knife 92

    Creating Your First Hello World Chef Recipe 94

    Summary 98

8 Systems Management Tasks with Chef 99

    Signing Up for Hosted Chef 100

        Setting Up Local Repo with the Starter Kit 102

    Community Cookbooks 105

    Setting Up System Management 105

        Prep/Setup System Management Task 1: Managing Time 105

        Prep/Setup System Management Task 2: Managing Root Password 108

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        xii Contents

    Confi guring Your Virtual Guests 109

        Installing Chef Client 109

    Systems Management Tasks 111

        Running Chef Client 113

        Managing the Root Password 115

        Creating Two Environment Files 116

        Uploading Environment Files to your Hosted Chef Organization 117

        Assigning Each Server to an Environment 118

        Modifying Each Server’s Run List to Run the Managedroot Cookbook 119

        Applying Your Changes to Your Nodes 120

        Validating the Enforced Policy 120

    Summary 122

    References 123

9 VMware vSphere Management with Chef 125

    Knife Plugins 126

        Getting Started with knife-vsphere 128

        Confi guring the knife.rb File 128

        Validating the Confi guration 130

        Putting It All Together 130

    Chef Provisioning 134

        Chef Provisioning Architecture 134

        Getting Started with Chef Provisioning 135

        Spinning Up Some Nodes 136

    Summary 138

Part 4 Ansible

10 Introduction to Ansible 139

    Ansible Architecture 139

    Preparing your Ansible Test Lab 141

    Ansible Groups 142

    Ansible Ad Hoc Command Execution 142

        The Ping Module 143

        The Command Module 144

        The User Module 144

        The Setup Module 144

    Ansible Playbooks 144

        Conditional Expressions and Variables 146

    Ansible Roles 151

        Templates 154

    Ansible Galaxy 156

    Summary 157

    References 157

11 Systems Management Tasks with Ansible 159

    Web Server Deployment 159

    The Application Tier 160

    The Database Tier 162

    Role Structure Optimization 164

    VMware Resource Management 166

    Summary 171

    References 171

Part 5 PowerShell 4.0

12 Introduction to PowerShell Desired State Confi guration (DSC) 173

    What Is PowerShell DSC? 174

    PowerShell DSC Requirements 175

    PowerShell DSC Components 175

        Native Cmdlets 175

        Managed Object Format File 176

        Local Confi guration Manager 176

    PowerShell DSC Confi gurations 178

    PowerShell DSC Modes 180

        Local Push Mode 181

        Remote Push Mode 181

        Pull Mode 182

    PowerShell DSC Resources 184

    Summary 186

    References 187

13 Implementation Strategies with PowerShell DSC 189

    Use Cases for PowerShell DSC in VMware Environments 189

    Scripted Deployments of VMs with PowerCLI 190

    Incorporating PowerShell DSC in VM Templates 192

    Challenges Implementing PowerShell DSC Confi gurations to New VMs 193

        PowerCLI Invoke-VMscript 193

        PowerCLI Copy-VMGuestFile 195

    General Lessons Learned 196

    Future Use Cases for PowerShell DSC in VMware Environments 197

    Summary 198

    References 198

Part 6 Application Deployment with Containers

14 Introduction to Application Containers with Docker 199

    What Is an Application? 199

        Hidden Complexity 200

        Dependency and Confi guration Confl icts 200

    Linux Containers 200

        Control Groups 201

        Namespaces 201

        Container Management 203

    Using Docker 203

        Installing Docker 203

        Docker Daemon 204

        Docker Client 204

        Docker Index 205

        Running a Docker Container 205

        Listing Running Containers 206

        Connecting to Running Containers 206

        Building and Distributing Docker Containers 208

        Dockerfi le 209

        Docker Hub 210

        Docker Versus Virtual Machines 211

        Docker Versus Confi guration Management 211

    Summary 212

    References 212

15 Running Docker Containers at Scale 213

    Container Orchestration 213

    Kubernetes 214

        Kubernetes Workfl ow 214

    Kubernetes Deployment 215

        CoreOS and Kubernetes Cluster Management Utilities 216

        CoreOS Cluster Deployment 217

        etcd Server Confi guration 222

        Network Overlays with Flannel 223

        Kubernetes Cluster Nodes 223

        Kubernetes Service Deployment 225

        Kubernetes Workload Deployment 226

    Platform-as-a-Service with Docker 230

    Summary 231

    References 231

Part 7 DevOps Tool Chain

16 Server Provisioning Using Razor 233

    How Razor Works 233

    Using Razor 236

        Razor Collections and Actions 238

        Building Razor Collections 245

    Using Razor APIs 257

    Razor Components 258

        Razor Server 258

        Razor Microkernel 258

        Razor Client 259

    Setting Up Razor 259

        PE Razor 259

        Puppet Install 259

        Install from Source 260

        Manual Release Install 260

        Other Services 260

    Summary 263

    References 263

17 Intro to the ELK: Elasticsearch, Logstash, Kibana 265

    Elasticsearch Overview 265

        Getting Started 266

        Understanding the Index 267

        Working with Data 267

        Installing Plugins 271

        Using Clients 274

    Logstash Overview 275

        Getting Started 276

        Confi guring Input to Logstash 276

        Applying Filters 278

       

    Kibana Overview 280

        Sharing and Saving 285

        Custom Data Views 286

    Summary 286

    References 287

18 Continuous Integration with Jenkins 289

    Continuous Integration Concepts 289

        Continuous Integration or Continuous Deployment? 290

        Test Automation 290

    Jenkins Architecture 292

    Jenkins Deployment 293

    Jenkins Workfl ow 296

        Jenkins Server Confi guration 296

        Jenkins Build Job 298

        Git Hooks 302

        Your First Build 304

    Quality Assurance Teams? 306

        Acceptance Testing 306

        Development Team 306

        Build/Test Infrastructure 307

    Summary 307

    References 307

Part 8 VMware DevOps Practices

19 VMware vRealize Automation in DevOps Environments 309

    Emergence of DevOps 309

    Stable Agility 310

    People, Process, and Conway’s Law 311

    vRealize Automation 312

    vRealize Application Services 313

    Puppet Integration 315

    Code Stream 321

    Summary 327

    References 327

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