Created
March 15, 2018 19:44
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Powershell Script to Update Docker-compose to the Latest Release
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# Self-elevate the script if required | |
# http://www.expta.com/2017/03/how-to-self-elevate-powershell-script.html | |
If (-Not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) { | |
If ([int](Get-CimInstance -Class Win32_OperatingSystem | Select-Object -ExpandProperty BuildNumber) -ge 6000) { | |
$CommandLine = "-File `"" + $MyInvocation.MyCommand.Path + "`" " + $MyInvocation.UnboundArguments | |
Start-Process -FilePath PowerShell.exe -Verb Runas -ArgumentList $CommandLine | |
Exit | |
} | |
} | |
$SectionSeparator = "--------------------------------------------------" | |
# Update docker-compose if required | |
Function UpdateDockerCompose() { | |
Write-Host "Updating docker-compose if required..." | |
Write-Host $SectionSeparator | |
# Find the installed docker-compose.exe location | |
Try { | |
$DockerComposePath = Get-Command docker-compose.exe -ErrorAction Stop | ` | |
Select-Object -First 1 -ExpandProperty Definition | |
} | |
Catch { | |
Write-Host "Error: Could not find path to docker-compose.exe" ` | |
-ForegroundColor Red | |
Return $false | |
} | |
# Prefer/enable TLS 1.2 | |
# https://stackoverflow.com/a/48030563/153079 | |
[Net.ServicePointManager]::SecurityProtocol = "tls12, tls11, tls" | |
# Query for the latest release version | |
Try { | |
$URI = "https://api.github.com/repos/docker/compose/releases/latest" | |
$LatestComposeVersion = [System.Version](Invoke-RestMethod -Method Get -Uri $URI).tag_name | |
} | |
Catch { | |
Write-Host "Error: Query for the latest docker-compose release version failed" ` | |
-ForegroundColor Red | |
Return $false | |
} | |
# Check the installed version and compare with latest release | |
$UpdateDockerCompose = $false | |
Try { | |
$InstalledComposeVersion = ` | |
[System.Version]((docker-compose.exe version --short) | Out-String) | |
If ($InstalledComposeVersion -eq $LatestComposeVersion) { | |
Write-Host ("Installed docker-compose version ({0}) same as latest ({1})." ` | |
-f $InstalledComposeVersion.ToString(), $LatestComposeVersion.ToString()) | |
} | |
ElseIf ($InstalledComposeVersion -lt $LatestComposeVersion) { | |
Write-Host ("Installed docker-compose version ({0}) older than latest ({1})." ` | |
-f $InstalledComposeVersion.ToString(), $LatestComposeVersion.ToString()) | |
$UpdateDockerCompose = $true | |
} | |
Else { | |
Write-Host ("Installed docker-compose version ({0}) newer than latest ({1})." ` | |
-f $InstalledComposeVersion.ToString(), $LatestComposeVersion.ToString()) ` | |
-ForegroundColor Yellow | |
} | |
} | |
Catch { | |
Write-Host ` | |
"Warning: Couldn't get docker-compose version, assuming an update is required..." ` | |
-ForegroundColor Yellow | |
$UpdateDockerCompose = $true | |
} | |
If (-Not $UpdateDockerCompose) { | |
# Nothing to do! | |
Return $false | |
} | |
# Download the latest version of docker-compose.exe | |
Try { | |
$RemoteFileName = "docker-compose-Windows-x86_64.exe" | |
$URI = ("https://github.com/docker/compose/releases/download/{0}/{1}" ` | |
-f $LatestComposeVersion.ToString(), $RemoteFileName) | |
Invoke-WebRequest -UseBasicParsing -Uri $URI ` | |
-OutFile $DockerComposePath | |
Return $true | |
} | |
Catch { | |
Write-Host ("Error: Failed to download the latest version of docker-compose`n{0}" ` | |
-f $_.Exception.Message) -ForegroundColor Red | |
Return $false | |
} | |
Return $false | |
} | |
If (UpdateDockerCompose) { | |
Write-Host "Updated to latest-version of docker-compose, running update again to verify.`n" | |
If (UpdateDockerCompose) { | |
Write-Host "Error: Should not have updated twice." -ForegroundColor Red | |
} | |
} | |
# Assuming elevation popped up a new powershell window, pause so the user can see what happened | |
# https://stackoverflow.com/a/22362868/153079 | |
Function Pause ($Message = "Press any key to continue . . . ") { | |
If ((Test-Path variable:psISE) -and $psISE) { | |
$Shell = New-Object -ComObject "WScript.Shell" | |
$Shell.Popup("Click OK to continue.", 0, "Script Paused", 0) | |
} | |
Else { | |
Write-Host "`n$SectionSeparator" | |
Write-Host -NoNewline $Message | |
[void][System.Console]::ReadKey($true) | |
Write-Host | |
} | |
} | |
Pause |
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