Kubernetes cookbook practical solutions to container orchestration
Learn how to automate and manage your containers and reduce the overall operation burden on your system. About This Book Use containers to manage, scale and orchestrate apps in your organization Transform the latest concept of Kubernetes 1.10 into examples Expert techniques for orchestrating contain...
| Other Authors: | , , |
|---|---|
| Format: | eBook |
| Language: | Inglés |
| Published: |
Birmingham ; Mumbai :
Packt
[2018]
|
| Edition: | Second edition |
| Subjects: | |
| See on Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009631478206719 |
Table of Contents:
- Cover
- Title Page
- Copyright and Credits
- Packt Upsell
- Contributors
- Table of Contents
- Preface
- Chapter 1: Building Your Own Kubernetes Cluster
- Introduction
- Exploring the Kubernetes architecture
- Getting ready
- How to do it...
- Kubernetes master
- API server (kube-apiserver)
- Scheduler (kube-scheduler)
- Controller manager (kube-controller-manager)
- Command-line interface (kubectl)
- Kubernetes node
- kubelet
- Proxy (kube-proxy)
- How it works...
- etcd
- Kubernetes network
- See also
- Setting up the Kubernetes cluster on macOS by minikube
- Getting ready
- How to do it...
- How it works...
- See also
- Setting up the Kubernetes cluster on Windows by minikube
- Getting ready
- How to do it...
- How it works...
- See also
- Setting up the Kubernetes cluster on Linux via kubeadm
- Getting ready
- How to do it...
- Package installation
- Ubuntu
- CentOS
- System configuration prerequisites
- CentOS system settings
- Booting up the service
- Network configurations for containers
- Getting a node involved
- How it works...
- See also
- Setting up the Kubernetes cluster on Linux via Ansible (kubespray)
- Getting ready
- Installing pip
- Installing Ansible
- Installing python-netaddr
- Setting up ssh public key authentication
- How to do it...
- Maintaining the Ansible inventory
- Running the Ansible ad hoc command to test your environment
- Ansible troubleshooting
- Need to specify a sudo password
- Need to specify different ssh logon user
- Need to change ssh port
- Common ansible issue
- How it works...
- See also
- Running your first container in Kubernetes
- Getting ready
- How to do it...
- Running a HTTP server (nginx)
- Exposing the port for external access
- Stopping the application
- How it works…
- See also.
- Chapter 2: Walking through Kubernetes Concepts
- Introduction
- An overview of Kubernetes
- Linking Pods and containers
- Getting ready
- How to do it...
- How it works...
- See also
- Managing Pods with ReplicaSets
- Getting ready
- How to do it...
- Creating a ReplicaSet
- Getting the details of a ReplicaSet
- Changing the configuration of a ReplicaSet
- Deleting a ReplicaSet
- How it works...
- There's more...
- See also
- Deployment API
- Getting ready
- How to do it...
- How it works...
- Using kubectl set to update the container image
- Updating the YAML and using kubectl apply
- See also
- Working with Services
- Getting ready
- How to do it...
- Creating a Service for different resources
- Creating a Service for a Pod
- Creating a Service for a Deployment with an external IP
- Creating a Service for an Endpoint without a selector
- Creating a Service for another Service with session affinity
- Deleting a Service
- How it works...
- There's more...
- See also
- Working with volumes
- Getting ready
- How to do it...
- emptyDir
- hostPath
- NFS
- glusterfs
- downwardAPI
- gitRepo
- There's more...
- PersistentVolumes
- Using storage classes
- gcePersistentDisk
- awsElasticBlockStore
- See also
- Working with Secrets
- Getting ready
- How to do it...
- Creating a Secret
- Working with kubectl create command line
- From a file
- From a directory
- From a literal value
- Via configuration file
- Using Secrets in Pods
- By environment variables
- By volumes
- Deleting a Secret
- How it works...
- There's more...
- Using ConfigMaps
- Mounting Secrets and ConfigMap in the same volume
- See also
- Working with names
- Getting ready
- How to do it...
- How it works...
- See also
- Working with Namespaces
- Getting ready
- How to do it...
- Creating a Namespace.
- Changing the default Namespace
- Deleting a Namespace
- How it works…
- There's more...
- Creating a LimitRange
- Deleting a LimitRange
- See also
- Working with labels and selectors
- Getting ready
- How to do it...
- How it works...
- Equality-based label selector
- Set-based label selector
- There's more...
- Linking Service to Pods or ReplicaSets using label selectors
- Linking Deployment to ReplicaSet using the set-based selector
- See also
- Chapter 3: Playing with Containers
- Introduction
- Scaling your containers
- Getting ready
- How to do it...
- Scale up and down manually with the kubectl scale command
- Horizontal Pod Autoscaler (HPA)
- How it works...
- There is more…
- See also
- Updating live containers
- Getting ready
- How to do it...
- Deployment update strategy - rolling-update
- Rollback the update
- Deployment update strategy - recreate
- How it works...
- There's more...
- See also
- Forwarding container ports
- Getting ready
- How to do it...
- Container-to-container communication
- Pod-to-Pod communication
- Working with NetworkPolicy
- Pod-to-Service communication
- External-to-internal communication
- Working with Ingress
- There's more...
- See also
- Ensuring flexible usage of your containers
- Getting ready
- How to do it...
- Pod as DaemonSets
- Running a stateful Pod
- How it works...
- Pod recovery by DaemonSets
- Pod recovery by StatefulSet
- There's more...
- See also
- Submitting Jobs on Kubernetes
- Getting ready
- How to do it...
- Pod as a single Job
- Create a repeatable Job
- Create a parallel Job
- Schedule to run Job using CronJob
- How it works...
- See also
- Working with configuration files
- Getting ready
- YAML
- JSON
- How to do it...
- How it works...
- Pod
- Deployment
- Service
- See also.
- Chapter 4: Building High-Availability Clusters
- Introduction
- Clustering etcd
- Getting ready
- How to do it...
- Static mechanism
- Discovery mechanism
- kubeadm
- kubespray
- Kops
- See also
- Building multiple masters
- Getting ready
- How to do it...
- Setting up the first master
- Setting up the other master with existing certifications
- Adding nodes in a HA cluster
- How it works...
- See also
- Chapter 5: Building Continuous Delivery Pipelines
- Introduction
- Moving monolithic to microservices
- Getting ready
- How to do it...
- Microservices
- Frontend WebUI
- How it works...
- Microservices
- Frontend WebUI
- Working with the private Docker registry
- Getting ready
- Using Kubernetes to run a Docker registry server
- Using Amazon elastic container registry
- Using Google cloud registry
- How to do it...
- Launching a private registry server using Kubernetes
- Creating a self-signed SSL certificate
- Creating HTTP secret
- Creating the HTTP basic authentication file
- Creating a Kubernetes secret to store security files
- Configuring a private registry to load a Kubernetes secret
- Create a repository on the AWS elastic container registry
- Determining your repository URL on Google container registry
- How it works...
- Push and pull an image from your private registry
- Push and pull an image from Amazon ECR
- Push and pull an image from Google cloud registry
- Using gcloud to wrap the Docker command
- Using the GCP service account to grant a long-lived credential
- Integrating with Jenkins
- Getting ready
- How to do it...
- Setting up a custom Jenkins image
- Setting up Kubernetes service account and ClusterRole
- Launching the Jenkins server via Kubernetes deployment
- How it works...
- Using Jenkins to build a Docker image
- Deploying the latest container image to Kubernetes.
- Chapter 6: Building Kubernetes on AWS
- Introduction
- Playing with Amazon Web Services
- Getting ready
- Creating an IAM user
- Installing AWS CLI on macOS
- Installing AWS CLI on Windows
- How to do it...
- How it works...
- Creating VPC and Subnets
- Internet gateway
- NAT-GW
- Security group
- EC2
- Setting up Kubernetes with kops
- Getting ready
- How to do it...
- How it works...
- Working with kops-built AWS cluster
- Deleting kops-built AWS cluster
- See also
- Using AWS as Kubernetes Cloud Provider
- Getting ready
- How to do it...
- Elastic load balancer as LoadBalancer service
- Elastic Block Store as StorageClass
- There's more...
- Managing Kubernetes cluster on AWS by kops
- Getting ready
- How to do it...
- Modifying and resizing instance groups
- Updating nodes
- Updating masters
- Upgrading a cluster
- There's more...
- See also
- Chapter 7: Building Kubernetes on GCP
- Playing with GCP
- Getting ready
- Creating a GCP project
- Installing Cloud SDK
- Installing Cloud SDK on Windows
- Installing Cloud SDK on Linux and macOS
- Configuring Cloud SDK
- How to do it...
- Creating a VPC
- Creating subnets
- Creating firewall rules
- Adding your ssh public key to GCP
- How it works...
- Launching VM instances
- Playing with Google Kubernetes Engine
- Getting ready
- How to do it…
- How it works…
- See also
- Exploring CloudProvider on GKE
- Getting ready
- How to do it…
- StorageClass
- Service (LoadBalancer)
- Ingress
- There's more…
- See also
- Managing Kubernetes clusters on GKE
- Getting ready
- How to do it…
- Node pool
- Multi-zone and regional clusters
- Multi-zone clusters
- Regional clusters
- Cluster upgrades
- See also
- Chapter 8: Advanced Cluster Administration
- Introduction
- Advanced settings in kubeconfig
- Getting ready
- How to do it.
- Setting new credentials.
