Create a Test K8s cluster in Octopus with Kind

testcluster.ps1

# Use Kind (https://kind.sigs.k8s.io/docs/user/quick-start/) to create a test cluster in Octopus

$ErrorActionPreference = 'SilentlyContinue'
$ProgressPreference = 'SilentlyContinue' 

docker version

if ($LastExitCode -ne 0) {
	Write-Error "Docker needs to be installed"
    exit 1
}

Write-Host "Downloading Kind"
Invoke-WebRequest `
	-Uri https://github.com/kubernetes-sigs/kind/releases/download/v0.8.1/kind-windows-amd64 `
    -OutFile kind.exe
    
Write-Host "Downloading kubectl"
Invoke-WebRequest `
	-Uri https://storage.googleapis.com/kubernetes-release/release/v1.18.0/bin/windows/amd64/kubectl.exe `
    -OutFile kubectl.exe

$env:KUBECONFIG = $env:OctopusCalamariWorkingDirectory + "/kind-config"

Write-Host "Create cluster"
./kind.exe delete cluster --name kind 2>&1
./kind.exe create cluster --name kind 2>&1

Get-Content $env:KUBECONFIG

Write-Host "Creating Service Account"
Set-Content -Path serviceaccount.yaml -Value @"
apiVersion: v1
kind: ServiceAccount
metadata:
  name: octopus-administrator
  namespace: default
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: octopus-administrator-binding
  namespace: default
subjects:
- kind: ServiceAccount
  name: octopus-administrator
  namespace: default
  apiGroup: ""
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
"@

./kubectl.exe apply -f serviceaccount.yaml

$data = ./kubectl get secret $(./kubectl get serviceaccount octopus-administrator -o jsonpath="{.secrets[0].name}"  --namespace=default) -o jsonpath="{.data.token}"  --namespace=default
$token = [System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String($data))

New-OctopusTokenAccount -Name kind -token $token -updateIfExisting

$url = (./kubectl config view -o json | ConvertFrom-Json).clusters[0].cluster.server

New-OctopusKubernetesTarget `
    -name "Kind" `
    -clusterUrl $url `
    -octopusRoles "k8s" `
    -octopusAccountIdOrName "kind" `
    -namespace "default" `
    -updateIfExisting `
    -skipTlsVerification True