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Add support for installing pipelines-agent binaries, but default to installing vsts-agent binaries #43

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Merged
jwittner merged 2 commits into from
Aug 15, 2023
Merged

Add support for installing pipelines-agent binaries, but default to installing vsts-agent binaries #43

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c97fc47
Add support for specifying which installing pipelines-agent binaries,…
tristanbarcelon Aug 3, 2023
de48413
Detect presence of agentfolder and support overwrite confirmation
tristanbarcelon Aug 5, 2023
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54 changes: 37 additions & 17 deletions VSTSAgent/VSTSAgent.psm1
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,8 @@ function Get-Platform {
Find the latest available agent version.
.PARAMETER Platform
The platform required for the agent.
.PARAMETER AgentType
Install Node6-based vsts-agent or Node10-based pipelines-agent asset
#>
function Find-VSTSAgent {
[CmdletBinding( DefaultParameterSetName = "NoVersion")]
Expand All @@ -111,34 +113,36 @@ function Find-VSTSAgent {
[switch]$Latest,

[parameter(Mandatory = $false)]
[string]$Platform
[string]$Platform = 'win',

[parameter(Mandatory = $false)]
[ValidateSet('vsts-agent','pipelines-agent')]
[string]$AgentType = 'vsts-agent'
)

if ( $Latest ) {
$rootUri = [uri]"https://github.com"

$findArgs = @{ }
if ( $Platform ) { $findArgs['Platform'] = $Platform }
$sortedAgents = Find-VSTSAgent @findArgs | Sort-Object -Descending -Property Version
$sortedAgents | Where-Object { $_.Version -eq $sortedAgents[0].Version }
return
if ( $Latest ) {
Comment thread
tristanbarcelon marked this conversation as resolved.
$releasesRelativeUri = [uri]"/Microsoft/vsts-agent/releases/latest"
}
else
{
$releasesRelativeUri = [uri]"/Microsoft/vsts-agent/releases"
}

Set-SecurityProtocol

$rootUri = [uri]"https://github.com"
$releasesRelativeUri = [uri]"/Microsoft/vsts-agent/releases"

$page = [uri]::new( $rootUri, $releasesRelativeUri )
$queriedPages = @()

do {

$result = Invoke-WebRequest $page -UseBasicParsing
$result.Links.href | Where-Object { $_ -match "vsts-agent-(\w+)-x64-(\d+\.\d+\.\d+)\..+$" } | ForEach-Object {
$result.Links.href | Where-Object { $_ -match "$($AgentType)-$($Platform)-x64-(\d+\.\d+\.\d+)\..+$" } | ForEach-Object {

$instance = [PSCustomObject] @{
'Platform' = $Matches[1]
'Version' = [VSTSAgentVersion]$Matches[2]
'Platform' = $Platform
'Version' = [VSTSAgentVersion]$Matches[1]
'Uri' = [uri]::new($_, [System.UriKind]::RelativeOrAbsolute)
}

Expand All @@ -148,8 +152,7 @@ function Find-VSTSAgent {
if ( $RequiredVersion -and $instance.Version -ne $RequiredVersion) { return }
if ( $MinimumVersion -and $instance.Version -lt $MinimumVersion) { return }
if ( $MaximumVersion -and $instance.Version -gt $MaximumVersion) { return }
if ( $Platform -and $instance.Platform -ne $Platform) { return }


Write-Verbose "Found agent at $($instance.Uri)"
Write-Output $instance
}
Expand Down Expand Up @@ -194,6 +197,8 @@ function Find-VSTSAgent {
What user credentials should be used by the agent service?
.PARAMETER Cache
Where should agent downloads be cached?
.PARAMETER AgentType
Install Node6-based vsts-agent or Node10-based pipelines-agent asset
#>
function Install-VSTSAgent {
[CmdletBinding(SupportsShouldProcess, DefaultParameterSetName = "NoVersion")]
Expand Down Expand Up @@ -253,7 +258,11 @@ function Install-VSTSAgent {
[pscredential]$LogonCredential,

[parameter(Mandatory = $false)]
[string]$Cache = [io.Path]::Combine($env:USERPROFILE, ".vstsagents")
[string]$Cache = [io.Path]::Combine($env:USERPROFILE, ".vstsagents"),

[parameter(Mandatory = $false)]
[ValidateSet('vsts-agent','pipelines-agent')]
[string]$AgentType = 'vsts-agent'
)

if ($PSVersionTable.Platform -and $PSVersionTable.Platform -ne 'Win32NT') {
Expand All @@ -274,6 +283,7 @@ function Install-VSTSAgent {
if ( $MinimumVersion ) { $findArgs['MinimumVersion'] = $MinimumVersion }
if ( $MaximumVersion ) { $findArgs['MaximumVersion'] = $MaximumVersion }
if ( $RequiredVersion ) { $findArgs['RequiredVersion'] = $RequiredVersion }
if ( $AgentType ) { $findArgs['AgentType'] = $AgentType }

$agent = Find-VSTSAgent @findArgs | Sort-Object -Descending -Property Version | Select-Object -First 1
if ( -not $agent ) { throw "Could not find agent matching requirements." }
Expand Down Expand Up @@ -303,7 +313,17 @@ function Install-VSTSAgent {
Add-Type -AssemblyName System.IO.Compression.FileSystem -ErrorAction Stop
}

[System.IO.Compression.ZipFile]::ExtractToDirectory($destPath, $agentFolder)
if (Test-Path -Path $agentFolder -PathType Container) {
if ($PSCmdlet.ShouldProcess($agentFolder, "Overwriting with content of $($destPath)")) {
[System.IO.Compression.ZipFile]::ExtractToDirectory($destPath, $agentFolder, $true)
}
else {
throw "$($agentFolder) already exists."
}
}
else {
[System.IO.Compression.ZipFile]::ExtractToDirectory($destPath, $agentFolder)
}

$configPath = [io.path]::combine($agentFolder, 'config.cmd')
$configPath = Get-ChildItem $configPath -ErrorAction SilentlyContinue
Expand Down