Azure Pester

azPesterAks.ps1

# Define the resource parameters
$resourceGroupName = "YourResourceGroupName"
$aksClusterName = "YourAKSClusterName"
$expectedLocation = "eastus"  # Replace with your expected location
$expectedNodeCount = 3         # Replace with your expected node count
$expectedKubernetesVersion = "1.25.0"  # Replace with your expected Kubernetes version

# Import the Az module
Import-Module Az

# Import Pester for testing
Import-Module Pester

Describe "Azure AKS Resource Tests" {

    Context "AKS Cluster Tests" {

        It "AKS Cluster should exist" {
            $aksCluster = Get-AzAksCluster -ResourceGroupName $resourceGroupName -Name $aksClusterName -ErrorAction SilentlyContinue
            $aksCluster | Should -Not -BeNullOrEmpty
        }

        It "AKS Cluster should be in the correct location" {
            $aksCluster = Get-AzAksCluster -ResourceGroupName $resourceGroupName -Name $aksClusterName
            $aksCluster.Location | Should -Be $expectedLocation
        }

        It "AKS Cluster should have the correct Kubernetes version" {
            $aksCluster = Get-AzAksCluster -ResourceGroupName $resourceGroupName -Name $aksClusterName
            $aksCluster.KubernetesVersion | Should -Be $expectedKubernetesVersion
        }

        It "AKS Cluster should have the expected number of nodes" {
            $aksCluster = Get-AzAksCluster -ResourceGroupName $resourceGroupName -Name $aksClusterName
            $nodeCount = ($aksCluster.AgentPoolProfiles | Measure-Object -Property Count).Count
            $nodeCount | Should -Be $expectedNodeCount
        }
    }

    Context "AKS Node Pool Tests" {

        It "AKS Cluster should have a node pool" {
            $nodePool = Get-AzAksNodePool -ResourceGroupName $resourceGroupName -ClusterName $aksClusterName -ErrorAction SilentlyContinue
            $nodePool | Should -Not -BeNullOrEmpty
        }

        It "AKS Node Pool should have the correct VM size" {
            $expectedVmSize = "Standard_DS2_v2"  # Replace with your expected VM size
            $nodePool = Get-AzAksNodePool -ResourceGroupName $resourceGroupName -ClusterName $aksClusterName
            $nodePool.VmSize | Should -Be $expectedVmSize
        }

        It "AKS Node Pool should have autoscaling enabled" {
            $nodePool = Get-AzAksNodePool -ResourceGroupName $resourceGroupName -ClusterName $aksClusterName
            $nodePool.EnableAutoScaling | Should -Be $true
        }
    }
}

# Run the Pester tests
Invoke-Pester