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Block, Andrew. Learn Helm: improve productivity, reduce complexity, and speed up cloud-native adoption with Kubernetes Helm / Andrew Block, Austin Dewey. — 1 online resource. — Table of ContentsUnderstanding Kubernetes and HelmConfiguring a Helm EnvironmentInstalling your First App with HelmUnderstanding Helm Chart StructureBuilding your own Helm ChartTesting Helm ChartsUsing Helm in a CI/CD PipelineUsing Helm in a Helm OperatorSecuring Helm Deployments and Infrastructure. — <URL:http://elib.fa.ru/ebsco/2497387.pdf>.

Дата создания записи: 20.05.2020

Тематика: Application software — Development — Computer programs.

Коллекции: EBSCO

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Оглавление

  • Cover
  • Title page
  • Copyright
  • Credits
  • About Packt
  • Contributors
  • Table of Contents
  • Preface
  • Section 1: Introduction and Setup
  • Chapter 1: Understanding Kubernetes and Helm
    • From monoliths to modern microservices
    • What is Kubernetes?
      • Container Orchestration
      • High availability
      • Scalability
      • Active community
    • Deploying a Kubernetes application
      • Deployment
      • Services
      • PersistentVolumeClaim
    • Approaches in resource management
      • Imperative and declarative configuration
    • Resource configuration challenges
      • The many types of Kubernetes resources
      • Keeping the live and local states in sync
      • Application life cycles are hard to manage
      • Resource files are static
    • Helm to the rescue!
      • Understanding package managers
      • The Kubernetes package manager
    • Summary
    • Further reading
    • Questions
  • Chapter 2: Preparing a Kubernetes and Helm Environment
    • Technical requirements
    • Preparing a local Kubernetes environment with Minikube
      • Installing Minikube
      • Installing VirtualBox
      • Configuring VirtualBox as the designated hypervisor
      • Configuring Minikube resource allocation
      • Exploring the basic usage
    • Setting up Kubectl
      • Installing Kubectl
    • Setting up Helm
      • Installing Helm
    • Configuring Helm
      • Adding upstream repositories
      • Adding plugins
      • Environment variables
      • Tab completion
      • Authentication
      • Authorization/RBAC
    • Summary
    • Further reading
    • Questions
  • Chapter 3: Installing your First Helm Chart
    • Technical requirements
    • Understanding the WordPress application
    • Finding a WordPress chart
      • Searching for WordPress charts from the command line
      • Viewing the WordPress chart in a browser
      • Showing the WordPress chart information from the command line
    • Creating a Kubernetes environment
    • Installing the WordPress chart
      • Creating a values file for configuration
      • Running the installation
      • Inspecting your release
    • Additional installation notes
      • The -n flag
      • The HELM_NAMESPACE environment variable
      • Choosing between --set and --values
    • Accessing the WordPress application
    • Upgrading the WordPress release
      • Modifying the Helm values
      • Running the upgrade
      • Reusing and resetting values during an upgrade
    • Rolling back the WordPress release
      • Inspecting the WordPress history
      • Running the rollback
    • Uninstalling the WordPress release
    • Cleaning up your environment
    • Summary
    • Further reading
    • Questions
  • Section 2: Helm Chart Development
  • Chapter 4: Understanding Helm Charts
    • Technical requirements
    • Understanding the YAML format
      • Defining key-value pairs
      • Value types
    • Understanding chart templates
      • Go templating
    • Understanding chart definitions
      • Required fields
      • Optional metadata
      • Managing chart dependencies
      • Downloading dependencies
      • Conditional dependencies
      • Overriding and referencing values from a child chart
      • Importing values with import-values
    • Life cycle management
      • The basics of a Helm hook
      • Hook execution
      • Advanced hook concepts
    • Documenting a Helm chart
      • The README.md File
      • The LICENSE file
      • The templates/NOTES.txt file
    • Packaging a Helm chart
    • Summary
    • Further reading
    • Questions
  • Chapter 5: Building Your First Helm Chart
    • Technical requirements
    • Understanding the Guestbook application
    • Setting up the environment
    • Creating a Guestbook Helm chart
      • Scaffolding the initial file structure
      • Evaluating the chart definition
      • Adding a Redis chart dependency
      • Modifying the values.yaml file
      • Installing the Guestbook chart
    • Improving the Guestbook Helm chart
      • Creating pre-upgrade and pre-rollback life cycle hooks
      • Adding input validation
    • Publishing the Guestbook chart to a chart repository
      • Creating a chart repository
      • Publishing the Guestbook Helm chart
      • Adding your chart repository
    • Cleaning up
    • Summary
    • Further reading
    • Questions
  • Chapter 6: Testing Helm Charts
    • Technical requirements
    • Setting up your environment
    • Verifying Helm templating
      • Validating template generation locally with helm template
      • Linting Helm charts and templates
    • Testing in a live cluster
      • Creating the chart tests
      • Running the chart tests
    • Improving chart tests with the chart testing project
      • Introducing the chart testing project
      • Installing the chart testing tools
    • Cleaning up
    • Summary
    • Further reading
    • Questions
  • Section 3: Adanced Deployment Patterns
  • Chapter 7: Automating Helm Processes Using CI/CD and GitOps
    • Technical requirements
    • Understanding CI/CD and GitOps
      • CI/CD
      • Taking CI/CD to the next level using GitOps
    • Setting up our environment
    • Creating a CI pipeline to build Helm charts
      • Designing the pipeline
      • Understanding Jenkins
      • Installing Jenkins
      • Understanding the pipeline
      • Running the pipeline
    • Creating a CD pipeline to deploy applications with Helm
      • Designing the pipeline
      • Updating the environments
      • Understanding the pipeline
      • Running the pipeline
    • Cleaning up
    • Summary
    • Further reading
    • Questions
  • Chapter 8: Using Helm with the Operator Framework
    • Technical requirements
    • Understanding Kubernetes Operators
    • Creating a Helm operator
      • Setting up the environment
      • Scaffolding the operator file structure
      • Building the operator and pushing it to Quay
      • Deploying the Guestbook Operator
      • Deploying the Guestbook application
    • Using Helm to manage Operators and CRs
    • Cleaning up your Kubernetes environment
    • Summary
    • Further reading
    • Questions
  • Chapter 9: Helm Security Considerations
    • Technical requirements
    • Data provenance and integrity
      • Creating a GPG keypair
      • Verifying Helm downloads
    • Signing and verifying Helm charts
    • Developing secure Helm charts
      • Using secure images
      • Setting resource limits
      • Handling secrets in Helm charts
    • Configuring RBAC rules
    • Accessing secure chart repositories
    • Summary
    • Further reading
    • Questions
  • ASSESSMENTS
    • Chapter 1: Understanding Kubernetes and Helm
    • Chapter 2: Preparing a Kubernetes and Helm Environment
    • Chapter 3: Installing Your First Helm Chart
    • Chapter 4: Understanding Helm Charts
    • Chapter 5: Building Your First Helm Chart
    • Chapter 6: Testing Helm Charts
    • Chapter 7: Automating Helm Processes Using CI/CD and GitOps
    • Chapter 8: Using Helm with the Operator Framework
    • Chapter 9: Helm Security Considerations
  • Other Books You May Enjoy

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