book

Learning DevOps - Second Edition

Name: Learning DevOps - Second Edition
Author: Mikael Krief
ISBN: 9781801818964

by Mikael Krief

March 2022

Intermediate to advanced

560 pages

10h 41m

English

Packt Publishing

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Learning DevOps Second Edition
ContributorsAbout the authorAbout the reviewers
Preface
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesCode in ActionDownload the color imagesConventions usedGet in touchShare Your Thoughts
Section 1: DevOps and Infrastructure as Code
Chapter 1: The DevOps Culture and Infrastructure as Code Practices
Getting started with DevOpsImplementing CI/CD and continuous deploymentContinuous integration (CI)Continuous delivery (CD)Continuous deploymentUnderstanding IaC practicesThe benefits of IaCIaC languages and toolsThe IaC topologyThe evolution of the DevOps cultureSummaryQuestionsFurther reading
Chapter 2: Provisioning Cloud Infrastructure with Terraform
Technical requirementsInstalling TerraformManual installationInstallation by scriptIntegrating Terraform with Azure Cloud ShellConfiguring Terraform for AzureCreating the Azure SPConfiguring the Terraform providerThe Terraform configuration for local development and testingWriting a Terraform script to deploy an Azure infrastructureFollowing some Terraform good practicesRunning Terraform for deploymentInitializationPreviewing the changesApplying the changesUnderstanding the Terraform life cycle with different command-line optionsUsing destroy to better rebuildFormatting and validating the configurationThe Terraform life cycle within a CI/CD processProtecting the state file with a remote backendSummaryQuestionsFurther reading
Chapter 3: Using Ansible for Configuring IaaS Infrastructure
Technical requirementsInstalling AnsibleInstalling Ansible with a scriptIntegrating Ansible into Azure Cloud ShellAnsible artifactsConfiguring AnsibleCreating an Ansible inventoryThe inventory fileConfiguring hosts in the inventoryTesting the inventoryExecuting the first playbookWriting a basic playbookUnderstanding Ansible modulesImproving your playbooks with rolesExecuting AnsibleUsing the preview or dry run optionIncreasing the log level outputProtecting data with Ansible VaultUsing variables in Ansible for better configurationProtecting sensitive data with Ansible VaultUsing a dynamic inventory for an Azure infrastructureSummaryQuestionsFurther reading
Chapter 4: Optimizing Infrastructure Deployment with Packer
Technical requirementsAn overview of PackerInstalling Packer Creating Packer templates for Azure VMs with scriptsThe structure of the Packer templateBuilding an Azure image with the Packer templateUsing Ansible in a Packer templateWriting the Ansible playbookIntegrating an Ansible playbook in a Packer templateExecuting Packer Configuring Packer to authenticate to AzureChecking the validity of the Packer templateRunning Packer to generate our VM imageWriting Packer templates with HCL formatUsing a Packer image with TerraformSummaryQuestionsFurther reading
Chapter 5: Authoring the Development Environment with Vagrant
Technical requirementsInstalling VagrantInstalling manually on WindowsInstalling Vagrant by script on WindowsInstalling Vagrant by script on LinuxWriting a Vagrant configuration fileUsing Vagrant Cloud for Vagrant BoxesWriting the Vagrant configuration fileCreating a local VM using the Vagrant CLICreating the VMConnecting to the VMSummaryQuestionsFurther reading
Section 2: DevOps CI/CD Pipeline
Chapter 6: Managing Your Source Code with Git
Technical requirementsOverviewing Git and its principal command linesGit installationGit configurationUseful Git vocabularyGit command linesUnderstanding the Git process and Gitflow patternStarting with the Git processIsolating your code with branchesBranching strategy with GitflowSummaryQuestionsFurther reading

Chapter 7: Continuous Integration and Continuous Delivery
Technical requirementsCI/CD principlesCICDUsing a package manager in the CI/CD processPrivate NuGet and npm repositoryNexus Repository OSSAzure ArtifactsUsing Jenkins for CI/CD implementationInstalling and configuring JenkinsConfiguring a GitHub webhookConfiguring a Jenkins CI jobExecuting a Jenkins jobUsing Azure Pipelines for CI/CDVersioning of the code with Git in Azure ReposCreating a CI pipelineCreating a CD pipeline – the releaseCreating a full pipeline definition in a YAML fileUsing GitLab CIAuthentication at GitLabCreating a new project and managing your source code Creating a CI pipelineAccessing the CI pipeline execution detailsSummaryQuestionsFurther reading
Chapter 8: Deploying Infrastructure as Code with CI/CD Pipelines
Technical requirementsRunning Packer in Azure PipelinesRunning Terraform and Ansible in Azure PipelinesSummaryQuestionsFurther reading
Section 3: Containerized Microservices with Docker and Kubernetes
Chapter 9: Containerizing Your Application with Docker
Technical requirementsInstalling DockerRegistering on Docker HubDocker installationAn overview of Docker's elementsCreating a DockerfileWriting a DockerfileDockerfile instructions overviewBuilding and running a container on a local machineBuilding a Docker imageInstantiating a new container of an imageTesting a container locallyPushing an image to Docker HubPushing a Docker image to a private registry (ACR)Deploying a container to ACI with a CI/CD pipelineWriting the Terraform code for ACICreating a CI/CD pipeline for the containerUsing Docker for running command-line toolsGetting started with Docker ComposeInstalling Docker ComposeWriting the Docker Compose configuration fileExecuting Docker ComposeDeploying Docker Compose containers in ACISummaryQuestionsFurther reading
Chapter 10: Managing Containers Effectively with Kubernetes
Technical requirementsInstalling KubernetesKubernetes architecture overviewInstalling Kubernetes on a local machineInstalling the Kubernetes dashboardA first example of Kubernetes application deploymentUsing Helm as a package managerInstalling the Helm clientUsing a public Helm chart from Artifact HubCreating a custom Helm chartPublishing a Helm chart in a private registry (ACR)Using AKSCreating an AKS serviceConfiguring the kubeconfig file for AKSAdvantages of AKSCreating a CI/CD pipeline for Kubernetes with Azure PipelinesMonitoring applications and metrics in KubernetesUsing the kubectl command lineUsing the web dashboardUsing tier toolsSummaryQuestionsFurther reading
Section 4: Testing Your Application
Chapter 11: Testing APIs with Postman
Technical requirementsCreating a Postman collection with requestsInstallation of PostmanCreating a collectionCreating our first requestUsing environments and variables to dynamize requestsWriting Postman testsExecuting Postman request tests locallyUnderstanding the Newman conceptPreparing Postman collections for NewmanExporting the collectionExporting the environmentsRunning the Newman command lineIntegration of Newman in the CI/CD pipeline processBuild and release configurationThe pipeline executionSummaryQuestionsFurther reading
Chapter 12: Static Code Analysis with SonarQube
Technical requirementsExploring SonarQube Installing SonarQubeOverview of the SonarQube architectureSonarQube installationReal-time analysis with SonarLintExecuting SonarQube in a CI processConfiguring SonarQubeCreating a CI pipeline for SonarQube in Azure PipelinesSummaryQuestionsFurther reading
Chapter 13: Security and Performance Tests
Technical requirementsApplying web security and penetration testing with ZAPUsing ZAP for security testingWays to automate the execution of ZAPRunning performance tests with PostmanSummaryQuestionsFurther reading
Section 5: Taking DevOps Further/More on DevOps
Chapter 14: Security in the DevOps Process with DevSecOps
Technical requirementsTesting Azure infrastructure compliance with Chef InSpecOverview of InSpecInstalling InSpecConfiguring Azure for InSpecWriting InSpec testsExecuting InSpecKeeping sensitive data safe with HashiCorp VaultInstalling Vault locallyStarting the Vault serverWriting secrets to VaultReading secrets in VaultUsing the Vault UI web interfaceGetting Vault secrets in TerraformSummaryQuestionsFurther reading
Chapter 15: Reducing Deployment Downtime
Technical requirementsReducing deployment downtime with TerraformUnderstanding blue-green deployment concepts and patternsUsing blue-green deployment to improve the production environmentUnderstanding the canary release patternExploring the dark launch patternApplying blue-green deployments on AzureUsing App Service with slotsUsing Azure Traffic ManagerIntroducing feature flagsUsing an open source framework for feature flagsUsing the LaunchDarkly solutionSummaryQuestionsFurther reading
Chapter 16: DevOps for Open Source Projects
Technical requirementsStoring source code in GitHubCreating a new repository on GitHubContributing to a GitHub projectContributing to open source projects using pull requestsManaging the changelog file and release notesSharing binaries in GitHub releasesGetting started with GitHub ActionsAnalyzing code with SonarCloudDetecting security vulnerabilities with WhiteSource BoltSummaryQuestionsFurther reading
Chapter 17: DevOps Best Practices
Automating everythingChoosing the right toolWriting all your configuration in codeDesigning the system architectureBuilding a good CI/CD pipelineIntegrating testsShifting security left with DevSecOpsMonitoring your systemEvolving project managementSummaryQuestionsFurther reading
Assessments
Chapter 1: The DevOps Culture and Infrastructure as Code PracticesChapter 2: Provisioning Cloud Infrastructure with TerraformChapter 3: Using Ansible for Configuring IaaS InfrastructureChapter 4: Optimizing Infrastructure Deployment with PackerChapter 5: Authoring the Development Environment with VagrantChapter 6: Managing Your Source Code with GitChapter 7: Continuous Integration and Continuous DeliveryChapter 8: Deploying Infrastructure as Code with CI/CD PipelinesChapter 9: Containerizing Your Application with DockerChapter 10: Managing Containers Effectively with KubernetesChapter 11: Testing APIs with PostmanChapter 12: Static Code Analysis with SonarQubeChapter 13: Security and Performance TestsChapter 14: Security in the DevOps Process with DevSecOpsChapter 15: Reducing Deployment DowntimeChapter 16: DevOps for Open Source ProjectsChapter 17: DevOps Best Practices
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Content preview from Learning DevOps - Second Edition

Assessments

Chapter 1: The DevOps Culture and Infrastructure as Code Practices

DevOps is a contraction that is formed from the words Development and Operations.
DevOps is a term that represents a culture.
The three axes of DevOps culture are collaboration, process, and tools.
The objective of continuous integration is to get quick feedback on the quality of the code archived by team members.
The difference between continuous delivery and continuous deployment is that the triggering of the deployment in production is done manually for continuous delivery, whereas it is automatic for continuous deployment.
Infrastructure as Code consists of writing the code of the resources that make up an infrastructure.

Chapter 2: Provisioning Cloud Infrastructure ...

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ISBN: 9781801818964

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