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Apress.Architecting.and.Operating.OpenShift.Clusters.pdf

发布时间：2022-05-29 发布人：admin 分类：说明书 资料大小：13.89M 资料格式：pdf 举报 版权申诉
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    Table of Contents
    About the Author
    About the Technical Reviewer
    Acknowledgments
    Introduction
    Chapter 1: The OpenShift Architecture
    Linux Containers
    Linux Container: Under the Hood
    Container Specifications
    Container Runtime and Kubernetes
    Introduction to OpenShift Architecture Components
    Kubernetes Constructs
    OpenShift Constructs
    Master Nodes
    Infrastructure Nodes
    App Nodes
    OpenShift Consoles
    OpenShift Routers
    OpenShift Registry
    Summary
    Chapter 2: High Availability
    Control Plane and Data Plane
    HA for Control Plane
    HA for ETCD
    RAFT Consensus Algorithm
    HA for Master Services
    HA for OpenShift Consoles
    HA for Logging, Metrics, and Monitoring
    OpenShift Monitoring
    Metrics
    Metrics Server
    Logging
    HA for Data Plane
    HA for OpenShift Router
    HA for Container Registry
    Summary
    Chapter 3: Networking
    East-West Traffic
    OpenShift SDN
    OpenShift ovs-subnet
    OpenShift ovs-multitenant
    OpenShift ovs-networkpolicy
    Flannel
    OpenShift with Third-Party SDN
    OpenShift with Calico SDN
    North-South Traffic
    HAProxy Template Router
    Summary
    Chapter 4: Storage
    OpenShift Storage
    Kubernetes Storage Constructs
    PersistentVolume Status
    Reclaim Policy
    Access Modes
    OpenShift PersistentVolume Plugins
    FlexVolume
    With Master-Initiated Attach/Detach
    Without Master-Initiated Attach/Detach
    CSI
    OpenShift Ephemeral
    OpenShift Container Storage
    OCS Converged Mode
    Raw Disks for OCS Converged Mode
    OCS Independent Mode
    OCS Storage Provisioning
    Storage Classes
    OpenShift with Third-Party Storage
    DriveScale Composable Platform
    HPE 3PAR
    HPE Nimble
    NetApp Trident
    OpenEBS (OSS, MayaData)
    Summary
    Chapter 5: Load Balancers
    Load Balancer Overview
    Load Balancer Considerations
    Considerations for Master Nodes
    Considerations for Infrastructure Nodes
    Considerations for Specialized Protocols
    Summary
    Chapter 6: Deployment Architectures
    Minishift
    OCP 3.11 Deployment Architectures
    Prerequisites
    Operating System—Minimal Installation
    General Requirements for the Cluster
    SDN Subnets
    (Optional) Subnets for Hosting Apps with Non-Web-Based or Specialized Protocols
    Registry Service Account and Token
    Activate and Assign OpenShift Subscriptions
    Prepare OCP 3.11.x Installer on Bastion
    Enable Password-less SSH
    OpenShift Ansible Inventory File
    Defining the OpenShift Release
    Registry Definitions and Access
    Red Hat OpenShift Container Storage
    Web Console Access and Wildcard Apps Domain
    Audit Logs
    Configuring the SDN
    Identity Providers
    Cluster Monitoring (Prometheus)
    Cluster Metrics (EFK Stack) and Logging
    OpenShift Router and OpenShift Container Registry
    OpenShift Service Catalog and Service Brokers
    OpenShift Nodes
    Sample Deployment Scenarios
    Single Node Deployment (All-in-One)
    Non-HA Control Plane Deployment
    Full-HA Control Plane Deployment
    Deploying OpenShift
    Uninstalling OpenShift
    Bastion Node as Admin Jumphost
    OpenShift 4.x Deployments (AWS)
    Prerequisites
    OpenShift 4.x Deployment Architecture
    OCP4 Deployment to AWS (IPI Mode)
    Installing OCP4 on AWS
    Standard Deployment
    Customizing Standard Deployment
    Deployment Progress
    Configuring the Identity Provider
    Summary
    Chapter 7: Administration
    User and Groups
    Virtual Groups and Virtual Users
    Authentication, Authorization, and OpenShift RBAC
    RBAC
    Default Cluster Roles
    Security Context Constraints
    SECCOMP Profiles
    Enabling Unsafe SYSCTL
    Identity Providers
    Managing Users and Groups
    Using Service Accounts
    Quotas and Limit Ranges
    OpenShift Service Catalogs
    OpenShift Templates
    Summary
    Chapter 8: Architecting OpenShift Jenkins Pipelines
    CI/CD Pipelines As a Service with OpenShift
    Jenkins Pipeline Build Strategy
    Creating the Pipeline BuildConfig
    Deploying the Pipeline BuildConfig
    Jenkinsfile with Source Code
    Multiproject Pipelines
    OpenShift Client Plugin
    Custom Jenkins Images
    Integrating External CI/CD Pipelines
    Summary
    Chapter 9: Day-2 Operations
    Managing Leftover Objects
    Garbage Collection
    Node Optimizations
    Node Resource Allocation
    Setting Max Pods Per Node
    Using the Tuned Profile
    Eviction Policy
    Pod Scheduling
    Pod Priority
    Summary
    Chapter 10: Advanced Network Operations
    Network Optimizations
    Jumbo Frames and VXLAN Acceleration
    Tuning Network Devices
    Routing Optimizations
    Route-Specific Optimizations Annotations
    IP Whitelists
    OpenShift Router Sharding
    Supporting Non-HTTP/HTTPS/TLS Applications
    Using IngressIP and ExternalIP
    Using NodePorts and HostPorts
    Multiple NIC per POD
    OpenShift ServiceMesh
    Summary
    Chapter 11: OCP 4.1 UPI Mode Bare-Metal with PXE Boot Deployment
    UPI Mode
    Bare-Metal with PXE Boot Example
    UPI Bare-Metal with PXE Boot
    Prerequisites
    DNS Configuration (Example)
    Load Balancer Configuration (Examples)
    DHCP with PXE Boot Configuration (Example)
    PXE Boot Configuration (Example)
    Preparing the Installation
    Considerations with UPI Mode with PXE Boot
    Downloading RHCOS and Installation Binaries
    Preparing the PXE Boot Images
    Installation
    Creating the Configuration
    Generating the Ignition Files
    Bootstrap and Master Nodes
    Worker Nodes
    Summary
    Index
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