KUBERNETES
Attention
The content of this documentation applies exclusively to registered users with access to https://horizon.cloudferro.com
- How to Create a Kubernetes Cluster Using NSIS Cloud OpenStack Magnum
- Default Magnum cluster templates on NSIS Cloud
- How To Install OpenStack and Magnum Clients for Command Line Interface to NSIS Cloud Horizon
- How To Issue Commands to the OpenStack and Magnum Servers
- What We Are Going To Cover
- Notes On Python Versions and Environments for Installation
- Prerequisites
- Step 1 Install the CLI for Kubernetes on OpenStack Magnum
- Step 2 How to Use the OpenStack Client
- The Help Command
- Step 4 How to Use the Magnum Client
- What To Do Next
- How To Use Command Line Interface for Kubernetes Clusters On NSIS Cloud OpenStack Magnum
- How To Access Kubernetes Cluster Post Deployment Using Kubectl On NSIS Cloud OpenStack Magnum
- What We Are Going To Cover
- Prerequisites
- The Plan
- Step 1 Create directory to download the certificates
- Step 2A Download Certificates From the Server using the CLI commands
- Step 2B Download Certificates From the Server using Horizon commands
- Step 3 Verify That kubectl Has Access to the Cloud
- What To Do Next
- Using Dashboard To Access Kubernetes Cluster Post Deployment On NSIS Cloud OpenStack Magnum
- What We Are Going To Cover
- Prerequisites
- Step 1 Deploying the Dashboard
- Step 2 Creating a sample user
- Step 3 Create secret for admin-user
- Step 4 Get the bearer token for authentication to dashboard
- Step 5 Create a separate terminal window for proxy access
- Step 6 See the dashboard in browser
- What To Do Next
- How To Create API Server LoadBalancer for Kubernetes Cluster on NSIS Cloud OpenStack Magnum
- What We Are Going To Do
- Prerequisites
- How To Enable or Disable Load Balancer for Master Nodes
- One Master Node, No Load Balancer and the Problem It All Creates
- Step 1 Create a Cluster With One Master Node and No Load Balancer
- Step 2 Create Floating IP for Master Node
- Step 3 Create config File for Kubernetes Cluster
- Step 4 Swap Existing Floating IP Address for the Network Address
- Step 4 Add Parameter –insecure-skip-tls-verify=true to Make kubectl Work
- Creating Additional Nodegroups in Kubernetes Cluster on NSIS Cloud OpenStack Magnum
- The Benefits of Using Nodegroups
- What We Are Going To Cover
- Prerequisites
- Nodegroup Subcommands
- Step 1 Access the Current State of Clusters and Their Nodegroups
- Step 2 How to Create a New Nodegroup
- Step 3 Using role to Filter Nodegroups in the Cluster
- Step 4 Show Details of the Nodegroup Created
- Step 5 Delete the Existing Nodegroup
- Step 6 Update the Existing Nodegroup
- Step 7 Resize the Nodegroup
- Autoscaling Kubernetes Cluster Resources on NSIS Cloud OpenStack Magnum
- What We Are Going To Cover
- Prerequisites
- Horizontal Pod Autoscaler
- Vertical Pod Autoscaler
- Cluster Autoscaler
- Define Autoscaling When Creating a Cluster
- Autoscaling Node Groups at Run Time
- How Autoscaling Detects Upper Limit
- Autoscaling Labels for Clusters
- Create New Cluster Using CLI With Autoscaling On
- Nodegroups With Worker Role Will Be Automatically Autoscalled
- How to Obtain All Labels From Horizon Interface
- How To Obtain All Labels From the CLI
- Use Labels String When Creating Cluster in Horizon
- What To Do Next
- Volume-based vs Ephemeral-based Storage for Kubernetes Clusters on NSIS Cloud OpenStack Magnum
- What We Are Going To Cover
- Prerequisites
- Step 1 - Create Cluster Using –docker-volume-size
- Step 2 - Create Pod Manifest
- Step 3 - Create a Pod on Node 0 of dockerspace
- Step 4 - Executing bash Commands in the Container
- Step 5 - Saving a File Into Persistent Storage
- Step 6 - Check the File Saved in Previous Step
- What To Do Next
- Backup of Kubernetes Cluster using Velero
- Kubernetes Persistent Volume Claims on NSIS Cloud
- Using Kubernetes Ingress on NSIS Cloud OpenStack Magnum
- Deploying Helm Charts on Magnum Kubernetes Clusters on NSIS Cloud
- Installing JupyterHub on Magnum Kubernetes Cluster in NSIS Cloud
- Install and run Argo Workflows on NSIS Cloud Magnum Kubernetes
- Installing HashiCorp Vault on NSIS Cloud Magnum
- What We Are Going To Cover
- Prerequisites
- Step 1 Install CFSSL
- Step 2 Generate TLS certificates
- Step 3 Install Consul Helm chart
- Step 4 Install Vault Helm chart
- Sealing and unsealing the Vault
- Step 5 Unseal Vault
- Step 6 Run Vault UI
- Return livenessProbe to production value
- Troubleshooting
- What To Do Next
- HTTP Request-based Autoscaling on K8S using Prometheus and Keda on NSIS Cloud
- Accessing EODATA from Kubernetes Pods in NSIS Cloud using boto3
- Create and access NFS server from Kubernetes on NSIS Cloud
- Deploy Keycloak on Kubernetes with a sample app on NSIS Cloud
- What We Are Going To Do
- Prerequisites
- Step 1 Deploy Keycloak on Kubernetes
- Step 2 Create Keycloak realm
- Step 3 Create and configure Keycloak client
- Step 4 Create a User in Keycloak
- Step 5 Retrieve client secret from Keycloak
- Step 6 Create a Flask web app utilizing Keycloak authentication
- Step 7 Test the application
- Install and run Dask on a Kubernetes cluster in NSIS Cloud cloud
- Private container registries with Harbor on NSIS Cloud Kubernetes
- Benefits of using your own private container registry
- What We Are Going To Cover
- Prerequisites
- Deploy Harbor private registry with Bitnami-Harbor Helm chart
- Access Harbor from browser
- Associate the A record of your domain to Harbor’s IP address
- Create a project in Harbor
- Create a Dockerfile for our custom image
- Ensure trust from our local Docker instance
- Build our image locally
- Upload a Docker image to your Harbor instance
- Download a Docker image from your Harbor instance
- Kubernetes cluster observability with Prometheus and Grafana on NSIS Cloud
- Install GitLab on NSIS Cloud Kubernetes
- Sealed Secrets on NSIS Cloud Kubernetes
- CI/CD pipelines with GitLab on NSIS Cloud Kubernetes - building a Docker image
- What We Are Going To Cover
- Prerequisites
- Step 1 Add your public key to GitLab and access GitLab from your command line
- Step 2 Create project in GitLab and add sample application code
- Step 3 Define environment variables with your DockerHub coordinates in GitLab
- Step 4 Create a pipeline to build your app’s Docker image using Kaniko
- Step 5 Trigger pipeline build
- What To Do Next
- How to create Kubernetes cluster using Terraform on NSIS Cloud
- GitOps with Argo CD on NSIS Cloud Kubernetes
- What We Are Going To Cover
- Prerequisites
- Step 1 Install Argo CD
- Step 2 Access Argo CD from your browser
- Step 3 Create a Git repository
- Step 4 Download Flask application
- Step 5 Push your app deployment configurations
- Step 6 Create Argo CD application resource
- Step 7 Deploy Argo CD application
- Step 8 View the deployed resources
- What To Do Next
- Configuring IP Whitelisting for OpenStack Load Balancer using Horizon and CLI on NSIS Cloud
- Configuring IP Whitelisting for OpenStack Load Balancer using Terraform on NSIS Cloud
- Implementing IP Whitelisting for Load Balancers with Security Groups on NSIS Cloud
- How to install Rancher RKE2 Kubernetes on NSIS Cloud
- What We Are Going To Cover
- Prerequisites
- Step 1 Perform the preliminary setup
- Step 2 Use Terraform configuration for RKE2 from CloudFerro’s GitHub repository
- Step 3 Provision an RKE2 cluster
- Step 4 Demonstrate cloud-native integration covered by the repo
- Implementation details
- Further customization
- What To Do Next