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Kubernetes The Hard Way in Lab (on VMware ESXi)

Design

Name IP address Role
networker 10.98.95.230 DHCP and DNS server
media 10.98.95.231 NFS server
haproxy1 10.98.95.18 Load Balancer for k8s API
k8s-controller1 10.98.95.11 controller node
k8s-controller2 10.98.95.12 controller node
k8s-controller3 10.98.95.13 controller node
k8s-worker1 10.98.95.21 worker node
k8s-worker2 10.98.95.22 worker node
k8s-worker3 10.98.95.23 worker node
Network / IP Description
10.98.95.0/24 LAN (externally reachable)
10.98.100.0/22 k8s Pod network
10.98.96.0/24 k8s Service network
10.98.95.18 k8s API server (external IP - haproxy)
10.98.96.1 k8s API server (internal IP)
10.98.96.10 k8s DNS

Building Blocks

Setup that worked in my environment:

  • Operating System: Ubuntu 18.04 LTS (VMs on top of VMware ESXi)
  • Networking solution: Weave Net
  • DNS Add-on - coredns

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Kubernetes The Hard Way in Lab (on VMware ESXi)

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