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[vcpkg] Use SSH keys instead of password authentication when minting Linux scale sets #11999

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Merged
BillyONeal merged 6 commits into from
Jun 22, 2020
Merged

[vcpkg] Use SSH keys instead of password authentication when minting Linux scale sets #11999

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6b33ad7
[vcpkg] Fix typo in script name of provision-image.txt for Windows.
BillyONeal Jun 18, 2020
ce08c50
[vcpkg] Use SSH keys instead of password authentication to comply wit…
BillyONeal Jun 18, 2020
c4b8b21
Generate the SSH key on the fly instead of requiring it be created in…
BillyONeal Jun 18, 2020
5265be7
Remove unnecessary sshkeys validation test.
Jun 19, 2020
7630b32
Try different quotes as requested by @strega-nil
BillyONeal Jun 19, 2020
eb2a27e
Use string empty.
BillyONeal Jun 19, 2020
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35 changes: 32 additions & 3 deletions scripts/azure-pipelines/linux/create-vmss.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ for more information.
This script assumes you have installed Azure tools into PowerShell by following the instructions
at https://docs.microsoft.com/en-us/powershell/azure/install-az-ps?view=azps-3.6.1
or are running from Azure Cloud Shell.

This script assumes you have installed the OpenSSH Client optional Windows component.
#>

$Location = 'westus2'
Expand All @@ -24,11 +26,26 @@ $LiveVMPrefix = 'BUILD'
$ErrorActionPreference = 'Stop'

$ProgressActivity = 'Creating Scale Set'
$TotalProgress = 10
$TotalProgress = 11
$CurrentProgress = 1

Import-Module "$PSScriptRoot/../create-vmss-helpers.psm1" -DisableNameChecking

####################################################################################################
Write-Progress `
-Activity $ProgressActivity `
-Status 'Creating SSH key' `
-PercentComplete (100 / $TotalProgress * $CurrentProgress++)

$sshDir = [System.IO.Path]::GetTempPath() + [System.IO.Path]::GetRandomFileName()
mkdir $sshDir
try {
ssh-keygen.exe -q -b 2048 -t rsa -f "$sshDir/key" -P [string]::Empty
$sshPublicKey = Get-Content "$sshDir/key.pub"
} finally {
Remove-Item $sshDir -Recurse -Force
}

####################################################################################################
Write-Progress `
-Activity $ProgressActivity `
Expand Down Expand Up @@ -174,7 +191,8 @@ $VM = Set-AzVMOperatingSystem `
-VM $VM `
-Linux `
-ComputerName $ProtoVMName `
-Credential $Credential
-Credential $Credential `
-DisablePasswordAuthentication

$VM = Add-AzVMNetworkInterface -VM $VM -Id $Nic.Id
$VM = Set-AzVMSourceImage `
Expand All @@ -185,6 +203,12 @@ $VM = Set-AzVMSourceImage `
-Version latest

$VM = Set-AzVMBootDiagnostic -VM $VM -Disable

$VM = Add-AzVMSshPublicKey `
-VM $VM `
-KeyData $sshPublicKey `
-Path "/home/AdminUser/.ssh/authorized_keys"

New-AzVm `
-ResourceGroupName $ResourceGroupName `
-Location $Location `
Expand Down Expand Up @@ -269,11 +293,16 @@ $Vmss = Add-AzVmssNetworkInterfaceConfiguration `
-NetworkSecurityGroupId $NetworkSecurityGroup.Id `
-Name $NicName

$VmssPublicKey = New-Object -TypeName 'Microsoft.Azure.Management.Compute.Models.SshPublicKey' `
-ArgumentList @('/home/AdminUser/.ssh/authorized_keys', $sshPublicKey)

$Vmss = Set-AzVmssOsProfile `
-VirtualMachineScaleSet $Vmss `
-ComputerNamePrefix $LiveVMPrefix `
-AdminUsername AdminUser `
-AdminPassword $AdminPW
-AdminPassword $AdminPW `
-LinuxConfigurationDisablePasswordAuthentication $true `
-PublicKey @($VmssPublicKey)

$Vmss = Set-AzVmssStorageProfile `
-VirtualMachineScaleSet $Vmss `
Expand Down
2 changes: 1 addition & 1 deletion scripts/azure-pipelines/windows/create-vmss.ps1
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Expand Up @@ -195,7 +195,7 @@ New-AzVm `
####################################################################################################
Write-Progress `
-Activity $ProgressActivity `
-Status 'Running provisioning script provision-image.ps1 in VM' `
-Status 'Running provisioning script provision-image.txt (as a .ps1) in VM' `
-PercentComplete (100 / $TotalProgress * $CurrentProgress++)

Invoke-AzVMRunCommand `
Expand Down