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stress-test-deployment-lib.ps1
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stress-test-deployment-lib.ps1
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$ErrorActionPreference = 'Stop'
. $PSScriptRoot/find-all-stress-packages.ps1
$FailedCommands = New-Object Collections.Generic.List[hashtable]
. (Join-Path $PSScriptRoot "../Helpers" PSModule-Helpers.ps1)
# Powershell does not (at time of writing) treat exit codes from external binaries
# as cause for stopping execution, so do this via a wrapper function.
# See https://github.com/PowerShell/PowerShell-RFC/pull/277
function Run()
{
Write-Host "`n==> $args`n" -ForegroundColor Green
$command, $arguments = $args
& $command $arguments
if ($LASTEXITCODE) {
Write-Error "Command '$args' failed with code: $LASTEXITCODE" -ErrorAction 'Continue'
$FailedCommands.Add(@{ command = "$args"; code = $LASTEXITCODE })
}
}
function RunOrExitOnFailure()
{
run @args
if ($LASTEXITCODE) {
exit $LASTEXITCODE
}
}
function Login([string]$subscription, [string]$clusterGroup, [switch]$pushImages)
{
Write-Host "Logging in to subscription, cluster and container registry"
az account show *> $null
if ($LASTEXITCODE) {
RunOrExitOnFailure az login --allow-no-subscriptions
}
# Discover cluster name, only one cluster per group is expected
Write-Host "Listing AKS cluster in $subscription/$clusterGroup"
$cluster = RunOrExitOnFailure az aks list -g $clusterGroup --subscription $subscription -o json
$clusterName = ($cluster | ConvertFrom-Json).name
$kubeContext = (RunOrExitOnFailure kubectl config view -o json) | ConvertFrom-Json
$defaultNamespace = $kubeContext.contexts.Where({ $_.name -eq $clusterName }).context.namespace
RunOrExitOnFailure az aks get-credentials `
-n "$clusterName" `
-g "$clusterGroup" `
--subscription "$subscription" `
--overwrite-existing
if ($defaultNamespace) {
RunOrExitOnFailure kubectl config set-context $clusterName --namespace $defaultNamespace
}
if ($pushImages) {
$registry = RunOrExitOnFailure az acr list -g $clusterGroup --subscription $subscription -o json
$registryName = ($registry | ConvertFrom-Json).name
RunOrExitOnFailure az acr login -n $registryName
}
}
function DeployStressTests(
[string]$searchDirectory = '.',
[hashtable]$filters = @{},
[string]$environment = 'test',
[string]$repository = '',
[switch]$pushImages,
[string]$clusterGroup = '',
[string]$deployId = 'local',
[switch]$login,
[string]$subscription = '',
[switch]$CI
) {
if ($environment -eq 'test') {
if ($clusterGroup -or $subscription) {
Write-Warning "Overriding cluster group and subscription with defaults for 'test' environment."
}
$clusterGroup = 'rg-stress-cluster-test'
$subscription = 'Azure SDK Developer Playground'
} elseif ($environment -eq 'prod') {
if ($clusterGroup -or $subscription) {
Write-Warning "Overriding cluster group and subscription with defaults for 'prod' environment."
}
$clusterGroup = 'rg-stress-cluster-prod'
$subscription = 'Azure SDK Test Resources'
}
if ($login) {
if (!$clusterGroup -or !$subscription) {
throw "clusterGroup and subscription parameters must be specified when logging into an environment that is not test or prod."
}
Login -subscription $subscription -clusterGroup $clusterGroup -pushImages:$pushImages
}
RunOrExitOnFailure helm repo add stress-test-charts https://stresstestcharts.blob.core.windows.net/helm/
Run helm repo update
if ($LASTEXITCODE) { return $LASTEXITCODE }
$pkgs = FindStressPackages -directory $searchDirectory -filters $filters -CI:$CI
Write-Host "" "Found $($pkgs.Length) stress test packages:"
Write-Host $pkgs.Directory ""
foreach ($pkg in $pkgs) {
Write-Host "Deploying stress test at '$($pkg.Directory)'"
DeployStressPackage `
-pkg $pkg `
-deployId $deployId `
-environment $environment `
-repositoryBase $repository `
-pushImages:$pushImages `
-login:$login
}
Write-Host "Releases deployed by $deployId"
Run helm list --all-namespaces -l deployId=$deployId
if ($FailedCommands) {
Write-Warning "The following commands failed:"
foreach ($cmd in $FailedCommands) {
Write-Error "'$($cmd.command)' failed with code $($cmd.code)" -ErrorAction 'Continue'
}
exit 1
}
Write-Host "`nStress test telemetry links (dashboard, fileshare, etc.): https://aka.ms/azsdk/stress/dashboard"
}
function DeployStressPackage(
[object]$pkg,
[string]$deployId,
[string]$environment,
[string]$repositoryBase,
[switch]$pushImages,
[switch]$login
) {
$registry = RunOrExitOnFailure az acr list -g $clusterGroup --subscription $subscription -o json
$registryName = ($registry | ConvertFrom-Json).name
Run helm dependency update $pkg.Directory
if ($LASTEXITCODE) { return }
if (Test-Path "$($pkg.Directory)/stress-test-resources.bicep") {
Run az bicep build -f "$($pkg.Directory)/stress-test-resources.bicep"
if ($LASTEXITCODE) { return }
}
$imageTag = "${registryName}.azurecr.io"
if ($repositoryBase) {
$imageTag += "/$repositoryBase"
}
$imageTag += "/$($pkg.Namespace)/$($pkg.ReleaseName):${deployId}"
$dockerFilePath = if ($pkg.Dockerfile) {
Join-Path $pkg.Directory $pkg.Dockerfile
} else {
"$($pkg.Directory)/Dockerfile"
}
$dockerFilePath = [System.IO.Path]::GetFullPath($dockerFilePath)
if ($pushImages -and (Test-Path $dockerFilePath)) {
Write-Host "Building and pushing stress test docker image '$imageTag'"
$dockerFile = Get-ChildItem $dockerFilePath
$dockerBuildFolder = if ($pkg.DockerBuildDir) {
Join-Path $pkg.Directory $pkg.DockerBuildDir
} else {
$dockerFile.DirectoryName
}
$dockerBuildFolder = [System.IO.Path]::GetFullPath($dockerBuildFolder).Trim()
Run docker build -t $imageTag -f $dockerFile $dockerBuildFolder
if ($LASTEXITCODE) { return }
Run docker push $imageTag
if ($LASTEXITCODE) {
if ($login) {
Write-Warning "If docker push is failing due to authentication issues, try calling this script with '-Login'"
}
return
}
}
Write-Host "Creating namespace $($pkg.Namespace) if it does not exist..."
kubectl create namespace $pkg.Namespace --dry-run=client -o yaml | kubectl apply -f -
if ($LASTEXITCODE) {exit $LASTEXITCODE}
Write-Host "Installing or upgrading stress test $($pkg.ReleaseName) from $($pkg.Directory)"
Run helm upgrade $pkg.ReleaseName $pkg.Directory `
-n $pkg.Namespace `
--install `
--set image=$imageTag `
--set stress-test-addons.env=$environment
if ($LASTEXITCODE) {
# Issues like 'UPGRADE FAILED: another operation (install/upgrade/rollback) is in progress'
# can be the result of cancelled `upgrade` operations (e.g. ctrl-c).
# See https://github.com/helm/helm/issues/4558
Write-Warning "The issue may be fixable by first running 'helm rollback -n $($pkg.Namespace) $($pkg.ReleaseName)'"
return
}
# Helm 3 stores release information in kubernetes secrets. The only way to add extra labels around
# specific releases (thereby enabling filtering on `helm list`) is to label the underlying secret resources.
# There is not currently support for setting these labels via the helm cli.
$helmReleaseConfig = kubectl get secrets `
-n $pkg.Namespace `
-l status=deployed,name=$($pkg.ReleaseName) `
-o jsonpath='{.items[0].metadata.name}'
Run kubectl label secret -n $pkg.Namespace --overwrite $helmReleaseConfig deployId=$deployId
}
function CheckDependencies()
{
$deps = @(
@{
Command = "docker";
Help = "Docker must be installed: https://docs.docker.com/get-docker/";
}
@{
Command = "kubectl";
Help = "kubectl must be installed: https://kubernetes.io/docs/tasks/tools/#kubectl";
},
@{
Command = "helm";
Help = "helm must be installed: https://helm.sh/docs/intro/install/";
},
@{
Command = "az";
Help = "Azure CLI must be installed: https://docs.microsoft.com/en-us/cli/azure/install-azure-cli";
}
)
Install-ModuleIfNotInstalled "powershell-yaml" "0.4.1" | Import-Module
$shouldError = $false
foreach ($dep in $deps) {
if (!(Get-Command $dep.Command -ErrorAction SilentlyContinue)) {
$shouldError = $true
Write-Error $dep.Help
}
}
if ($shouldError) {
exit 1
}
}