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Technical Guide: Syncing Ingress Resources from various Virtual Cluster on GKE with vCluster
- Kubernetes Ingress is crucial for exposing applications, and this guide simplifies understanding Layer-7 load balancing.
- The article focuses on setting up Nginx Ingress controller and Cert-Manager on Google Kubernetes Engine (GKE) for TLS certificates.
- Instructions on creating a virtual cluster using vCluster to reuse GKE's host cluster resources are provided.
- Prerequisites include Google Cloud SDK, Kubernetes CLI, vCluster CLI, domain name, and basic Kubernetes knowledge.
- Detailed steps are given for setting up a GKE cluster, installing the Ingress Controller (using NGINX), and deploying Cert-Manager.
- Commands for granting permissions, deploying Ingress Controller, and verifying installations are provided.
- The process of creating an Application, configuring domain A Records, and verifying Ingress functionality is covered.
- Instructions for syncing Ingress Resources with vCluster in virtual clusters for efficient management are outlined.
- The article concludes with cleanup steps and highlights the advantages of using vCluster in multi-tenant Kubernetes environments.
- vCluster simplifies creating virtual clusters within host clusters for better resource utilization and management.
- By following this guide, users can effectively manage Ingress, TLS certificates, and virtual cluster resources within a Kubernetes environment.
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