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Remove Cluster API
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Khue Doan
parent
f9abff8647
commit
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@ -1,14 +0,0 @@
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# Infrastructure
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Bare metal servers life cycle management:
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- Automatically discover bare metal servers
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- Automatically wipe the disk
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- Install Linux on empty machines via the network (using iPXE)
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Kubernetes cluster creation:
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- Create ephemeral management cluster (using Kubernetes in Docker)
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- Create target cluster
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- Pivot the management plane over to the new cluster
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- Remove the ephemeral management cluster
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@ -1,100 +0,0 @@
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#!/bin/sh
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set -euo pipefail
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# Create ephemeral cluster
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kind create cluster \
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--wait 60s \
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--kubeconfig ephemeral-cluster/kind-kubeconfig.yaml \
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--config ephemeral-cluster/kind.yaml
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export KUBECONFIG="$PWD/ephemeral-cluster/kind-kubeconfig.yaml"
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# Install Sidero
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clusterctl init \
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--bootstrap talos \
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--control-plane talos \
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--infrastructure sidero \
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--config clusterctl.yaml
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# Create DHCP server
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# kubectl create configmap dhcp-server \
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# --from-file dhcp-server/dhcpd.conf
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# kubectl apply \
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# --filename dhcp-server/deployment.yaml
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docker run --detach \
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--name bootstrap-dhcp-server \
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--network=host \
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--volume $PWD/dhcp-server/dhcpd.conf:/data/dhcpd.conf \
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networkboot/dhcpd:1.1.0
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# Wait for all pods to be ready
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kubectl wait pods \
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--all \
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--all-namespaces \
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--timeout 300s \
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--for=condition=Ready
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# Apply server classes
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kubectl apply \
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--filename serverclasses/
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# Waker servers up
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wol '00:23:24:d1:f3:f0'
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# Create cluster
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while true; do
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kubectl get server --output jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}' && break
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done
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export CONTROL_PLANE_ENDPOINT=$(kubectl get server \
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--output jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}') && break
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clusterctl config cluster \
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--infrastructure sidero \
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--config clusterctl.yaml \
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homelab | kubectl apply --filename -
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# Get kube config
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while true; do
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clusterctl get kubeconfig homelab > cluster/homelab-kubeconfig.yaml && break
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done
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export KUBECONFIG="$PWD/cluster/homelab-kubeconfig.yaml"
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while true; do
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kubectl cluster-info && break
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done
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# TODO Untaint master node
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# kubectl taint node node-role.kubernetes.io/master:NoSchedule-
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# Pivot Sidero to new cluster
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clusterctl init \
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--bootstrap talos \
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--control-plane talos \
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--infrastructure sidero \
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--kubeconfig cluster/homelab-kubeconfig.yaml \
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--config clusterctl.yaml
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clusterctl move \
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--kubeconfig=ephemeral-cluster/kind-kubeconfig.yaml \
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--to-kubeconfig=cluster/homelab-kubeconfig.yaml
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# Cleanup ephemeral cluster
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kind delete cluster --name bootstrap-cluster
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rm ephemeral-cluster/kind-kubeconfig.yaml
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docker rm --force bootstrap-dhcp-server
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# TODO Scale the cluster up
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# wol '00:23:24:d1:f4:d6'
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# wol '00:23:24:d1:f5:69'
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# wol '00:23:24:e7:04:60'
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# clusterctl config cluster \
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# --infrastructure sidero \
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# --config clusterctl.yaml \
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# --config clusterctl.yaml \
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# --worker-machine-count 3 \
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# homelab > cluster/homelab.yaml
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# kubectl apply --filename cluster/homelab.yaml
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@ -1,112 +0,0 @@
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apiVersion: cluster.x-k8s.io/v1alpha3
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kind: Cluster
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metadata:
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name: homelab
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namespace: default
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spec:
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clusterNetwork:
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pods:
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cidrBlocks:
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- 10.244.0.0/16
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services:
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cidrBlocks:
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- 10.96.0.0/12
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controlPlaneRef:
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apiVersion: controlplane.cluster.x-k8s.io/v1alpha3
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kind: TalosControlPlane
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name: homelab-cp
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infrastructureRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
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kind: MetalCluster
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name: homelab
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
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kind: MetalCluster
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metadata:
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name: homelab
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namespace: default
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spec:
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controlPlaneEndpoint:
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host: 192.168.1.12
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port: 6443
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
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kind: MetalMachineTemplate
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metadata:
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name: homelab-cp
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namespace: default
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spec:
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template:
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spec:
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serverClassRef:
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apiVersion: metal.sidero.dev/v1alpha1
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kind: ServerClass
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name: m5.xlarge
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---
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apiVersion: controlplane.cluster.x-k8s.io/v1alpha3
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kind: TalosControlPlane
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metadata:
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name: homelab-cp
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namespace: default
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spec:
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controlPlaneConfig:
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controlplane:
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generateType: controlplane
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talosVersion: v0.11.2
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init:
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generateType: init
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talosVersion: v0.11.2
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infrastructureTemplate:
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
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kind: MetalMachineTemplate
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name: homelab-cp
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replicas: 1
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version: v1.21.1
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---
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apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3
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kind: TalosConfigTemplate
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metadata:
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name: homelab-workers
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namespace: default
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spec:
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template:
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spec:
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generateType: join
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talosVersion: v0.11.2
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---
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apiVersion: cluster.x-k8s.io/v1alpha3
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kind: MachineDeployment
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metadata:
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name: homelab-workers
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namespace: default
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spec:
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clusterName: homelab
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replicas: 3
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selector:
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matchLabels: null
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template:
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spec:
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bootstrap:
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configRef:
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apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3
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kind: TalosConfigTemplate
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name: homelab-workers
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clusterName: homelab
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infrastructureRef:
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
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kind: MetalMachineTemplate
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name: homelab-workers
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version: v1.21.1
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---
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apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
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kind: MetalMachineTemplate
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metadata:
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name: homelab-workers
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namespace: default
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spec:
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template:
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spec:
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serverClassRef:
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apiVersion: metal.sidero.dev/v1alpha1
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kind: ServerClass
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name: m5.xlarge
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@ -1,11 +0,0 @@
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SIDERO_CONTROLLER_MANAGER_API_ENDPOINT: 192.168.1.19
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SIDERO_CONTROLLER_MANAGER_AUTO_ACCEPT_SERVERS: true
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SIDERO_CONTROLLER_MANAGER_HOST_NETWORK: true
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CONTROL_PLANE_SERVERCLASS: m5.xlarge
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WORKER_SERVERCLASS: m5.xlarge
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CONTROL_PLANE_PORT: 6443
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KUBERNETES_VERSION: v1.21.1
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TALOS_VERSION: v0.11.2
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@ -1,31 +0,0 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app: dhcp-server
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name: dhcp-server
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: dhcp-server
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template:
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metadata:
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labels:
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app: dhcp-server
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spec:
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containers:
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- image: networkboot/dhcpd:1.1.0
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name: dhcpd
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volumeMounts:
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- name: config
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mountPath: /data/dhcpd.conf
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subPath: dhcpd.conf
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hostNetwork: true
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volumes:
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- name: config
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configMap:
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name: dhcp-server
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items:
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- key: dhcpd.conf
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path: dhcpd.conf
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@ -1,20 +0,0 @@
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option space pxelinux;
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option pxelinux.magic code 208 = string;
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option pxelinux.configfile code 209 = text;
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option pxelinux.pathprefix code 210 = text;
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option pxelinux.reboottime code 211 = unsigned integer 32;
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option architecture-type code 93 = unsigned integer 16;
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subnet 192.168.1.0 netmask 255.255.255.0 {
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option routers 192.168.1.1;
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range 192.168.1.2 192.168.1.254;
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class "pxeclients" {
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match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
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next-server 192.168.1.19;
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if option architecture-type = 00:07 {
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filename "ipxe.efi";
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}
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}
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}
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@ -1,26 +0,0 @@
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apiVersion: metal.sidero.dev/v1alpha1
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kind: Environment
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metadata:
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name: default
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spec:
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initrd:
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url: https://github.com/talos-systems/talos/releases/download/v0.10.3/initramfs-amd64.xz
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kernel:
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args:
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- console=tty0
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- console=ttyS0
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- consoleblank=0
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- earlyprintk=ttyS0
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- ima_appraise=fix
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- ima_hash=sha512
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- ima_template=ima-ng
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- init_on_alloc=1
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- initrd=initramfs.xz
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- nvme_core.io_timeout=4294967295
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- printk.devkmsg=on
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- pti=on
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- random.trust_cpu=on
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- slab_nomerge=
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- talos.config=http://192.168.1.19:8081/configdata?uuid=
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- talos.platform=metal
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url: https://github.com/talos-systems/talos/releases/download/v0.10.3/vmlinuz-amd64
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@ -1,14 +0,0 @@
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kind: Cluster
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apiVersion: kind.x-k8s.io/v1alpha4
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name: bootstrap-cluster
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nodes:
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- role: control-plane
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extraPortMappings:
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# TFTP
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- containerPort: 69
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hostPort: 69
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protocol: UDP
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# HTTP
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- containerPort: 8081
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hostPort: 8081
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protocol: TCP
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@ -1,13 +0,0 @@
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apiVersion: metal.sidero.dev/v1alpha1
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kind: ServerClass
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metadata:
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name: m5.xlarge # The names are free-form and only need to make sense to you
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spec:
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qualifiers:
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cpu:
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- manufacturer: Intel(R) Corporation
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version: Intel(R) Core(TM) i5-6600T CPU @ 2.70GHz
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configPatches:
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- op: replace
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path: /machine/install/disk
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value: /dev/sda
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