106 lines
4.2 KiB
PowerShell
106 lines
4.2 KiB
PowerShell
function Set-HelmDeploymentVersions {
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<#
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.SYNOPSIS
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Updates the helm values file of a given environment to reflect the tags of the provided microservice names/versions.
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.PARAMETER RepoPath
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The path to the gitops repository containing the helm environment definitions.
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.PARAMETER EnvironmentName
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The name of the environment to update.
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.PARAMETER Packages
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The list of microservice name/versions to update into the values file.
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.EXAMPLE
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# This updates the version tags of microservices for Red14
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$repoPath = ".\alkami.gitops.kubernetes"
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$envName = "red14"
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$packages = Format-ParseChocoPackages -Delimiter " " -Text @"
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alkami.microservices.iaccountservicecontract.netcore 1.2.3
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alkami.services.tde-datafeed 0.0.9000
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"@
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Set-HelmDeploymentVersions -RepoPath $repoPath -EnvironmentName $envName -Packages $packages -Verbose
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#>
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[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[ValidateNotNullOrEmpty()]
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[string]$RepoPath,
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[Parameter(Mandatory = $true)]
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[ValidateNotNullOrEmpty()]
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[string]$EnvironmentName,
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[Parameter(Mandatory = $false)]
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[object[]]$Packages
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)
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$logLead = Get-LogLeadName
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if (Test-IsCollectionNullOrEmpty -Collection $Packages) {
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Write-Warning "$logLead : No packages to update. Exiting."
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return
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}
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# Fetch the values filepath/yaml for the environment.
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# A null response here is presumably valid. The parent will call Write-Error so EAP needs to be Stop if you want it to break
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# The parent will TC BuildProblem if there are issues reading things
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$appYamls = Get-HelmApplicationYamls -RepoPath $RepoPath -EnvironmentName $EnvironmentName
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$values = $appYamls.values
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$valuesPath = $appYamls.valuesPath
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# $appName = $appYamls.applicationName
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# Create a mapping from image packageId to subchart name so we can avoid a O(n^2) lookup.
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# Package names provided to this function will be based on the package id in the image repository, not the name of the subchart.
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$imageToSubchartLookup = @{}
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[array]$microserviceKeys = $values.Keys | Where-Object { $_ -like "alk-svc-*" }
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foreach ($microservice in $microserviceKeys) {
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$image = $values[$microservice].image.repository.split("/")[-1]
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$imageToSubchartLookup[$image] = $microservice
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}
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# Update the image tags if they have changes.
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$dirty = $false
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foreach ($package in $Packages) {
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$packageName = $package.Name
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# TODO: Do we need a better descriptive name here for the block?
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$blockName = "$packageName"
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Write-Host "##teamcity[blockOpened name='$blockName']"
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Write-Host "$logLead : Packagename - $packageName"
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$subchartName = $imageToSubchartLookup[$packageName]
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if ($null -eq $subchartName) {
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# While we don't normally do TC messages in Module files, this seems appropriate per conversations and use-case
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$errorMessage = "Could not find subchart definition for microservice `"$packageName`". Does the microservice exist in the $EnvironmentName values file?"
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$identity = "SetHelm_$packageName"
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Write-Host "##teamcity[buildProblem description='$errorMessage' identity='$identity']"
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Write-Error "$logLead : $errorMessage"
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# Need to process all the packages before erroring so multiple can be fixed at one time?
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continue
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}
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## TODO: Can .image ever be null? Breaks the set down below
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$currentTag = $values[$subchartName].image.tag
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if ($currentTag -ne $package.Version) {
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Write-Host "$logLead : Updating $subchartName tag from [$currentTag] to [$($package.Version)]"
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$values[$subchartName].image.tag = $package.Version
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$dirty = $true
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}
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Write-Host "##teamcity[blockClosed name='$blockName']"
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}
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# Save the modified values file.
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if ($dirty) {
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Write-Host "$logLead : Updating image tags in values file for $EnvironmentName"
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ConvertTo-Yaml -Data $values -OutFile $valuesPath -Force
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return $valuesPath
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} else {
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Write-Host "$logLead : Environment values file for $EnvironmentName requires no updates. Exiting."
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return $null
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}
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}
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