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Update Windows PS scripts #4

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Update Windows PS scripts #4

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50 changes: 47 additions & 3 deletions PSH (Windows) Multi-Session Connect Scripts/ElasticSanDocScripts0523/connect.ps1
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Original file line number Diff line number Diff line change
@@ -1,4 +1,34 @@
Param(
#Requires -Version 5.0 -Modules Az.Accounts, Az.ElasticSan
#Requires -RunAsAdministrator

<#
.SYNOPSIS
Connects iSCSI initiator to the Elastic SAN volume provided.
.DESCRIPTION
Connects iSCSI initiator to the Elastic SAN volume provided.
.PARAMETER SubscriptionID
Azure subscription ID in the format, 00000000-0000-0000-0000-000000000000
.PARAMETER ResourceGroupName
An Azure resource group name
.PARAMETER ElasticSanName
.PARAMETER VolumeGroupName
.PARAMETER VolumeName
.PARAMETER ElasticSanName
.PARAMETER VolumeGroupName
.PARAMETER NumSession
.PARAMETER -UseIdentity
.OUTPUTS
Text
.EXAMPLE
connect.ps1 -Subscription 00000000-0000-0000-0000-000000000000 -ResourceGroupName <RG Name> -ElasticSanName <Elastic SAN Name> -VolumeGroupName <Volume Group Name> -VolumeName <Volume Name> -NumSession <1-32> -UseIdentity
.LINK
#>

Param(
[Parameter(Mandatory,
HelpMessage = "Subscription Id")]
[string]
$SubscriptionId,
[Parameter(Mandatory,
HelpMessage = "Resource group name")]
[string]
Expand All @@ -18,9 +48,18 @@
[Parameter(HelpMessage = "Number of sessions to be connected for each volume. Default value is 32. Input value should be in range of 1-32.")]
[ValidateRange(1,32)]
[int]
$NumSession
$NumSession,
[switch]$UseIdentity
)

############### VERIFY AZURE LOGON AND SUBSCRIPTION ###################
if ($UseIdentity) {
Add-AzAccount -Subscription $SubscriptionID -Identity -ErrorAction Stop #A System Managed Identity needs to be created for the VM and given the Reader role for the Elastic SAN
}
$AzContext = Set-AzContext -SubscriptionId $SubscriptionID -ErrorAction Stop
Write-Verbose "The PowerShell session needs to be logged in to Azure with an account with Reader access to the Elastic SAN or a Managed Identity can be used with the Reader role to the Elastic SAN."
Write-Verbose ($AzContext)

#################### DEFINITION OF VOLUME DATA ########################
class VolumeData
{
Expand Down Expand Up @@ -80,7 +119,12 @@ if (($checkResult.InstallState -ne "Installed") -or $multipathWarning) {

##################### GATHER INFORMATION OF INPUT VOLUMES ####################
# Get volume group resource to fail fast
$vg = Get-AzElasticSanVolumeGroup -ResourceGroupName $ResourceGroupName -ElasticSanName $ElasticSanName -Name $VolumeGroupName -ErrorAction Stop
try {
Get-AzElasticSanVolumeGroup -ResourceGroupName $ResourceGroupName -ElasticSanName $ElasticSanName -Name $VolumeGroupName | Out-Null
}
catch {
Write-Error "Cannot connect to the Elastic SAN. Make sure you are logged in to Azure or are using an identity." -ErrorAction Stop
}

$volumesToConnect= New-Object System.Collections.Generic.List[VolumeData]
$invalidVolumes = New-Object System.Collections.Generic.List[string]
Expand Down
51 changes: 46 additions & 5 deletions PSH (Windows) Multi-Session Connect Scripts/ElasticSanDocScripts0523/disconnect.ps1
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Original file line number Diff line number Diff line change
@@ -1,4 +1,31 @@
Param(
#Requires -Version 5.0 -Modules Az.Accounts, Az.ElasticSan
#Requires -RunAsAdministrator

<#
.SYNOPSIS
Disconnects iSCSI initiator from the Elastic SAN volume provided.
.DESCRIPTION
Disconnects iSCSI initiator from the Elastic SAN volume provided.
.PARAMETER SubscriptionID
Azure subscription ID in the format, 00000000-0000-0000-0000-000000000000
.PARAMETER ResourceGroupName
An Azure resource group name
.PARAMETER ElasticSanName
.PARAMETER VolumeGroupName
.PARAMETER VolumeName
.PARAMETER -UseIdentity
.OUTPUTS
Text
.EXAMPLE
disconnect.ps1 -Subscription 00000000-0000-0000-0000-000000000000 -ResourceGroupName <RG Name> -ElasticSanName <Elastic SAN Name> -VolumeGroupName <Volume Group Name> -VolumeName <Volume Name> -UseIdentity
.LINK
#>

Param(
[Parameter(Mandatory,
HelpMessage = "Subscription Id")]
[string]
$SubscriptionId,
[Parameter(Mandatory,
HelpMessage = "Resource group name")]
[string]
Expand All @@ -14,7 +41,8 @@
[Parameter(Mandatory,
HelpMessage = "Volumes to be disconnected")]
[string[]]
$VolumeName
$VolumeName,
[switch]$UseIdentity
)

$title = 'Confirm'
Expand All @@ -29,6 +57,14 @@ if ($decision -eq 1) {
Exit
}

############### VERIFY AZURE LOGON AND SUBSCRIPTION ###################
if ($UseIdentity) {
Add-AzAccount -Subscription $SubscriptionID -Identity -ErrorAction Stop #A System Managed Identity needs to be created for the VM and given the Reader role for the Elastic SAN
}
$AzContext = Set-AzContext -SubscriptionId $SubscriptionID -ErrorAction Stop
Write-Verbose "The PowerShell session needs to be logged in to Azure with an account with Reader access to the Elastic SAN or a Managed Identity can be used with the Reader role to the Elastic SAN."
Write-Verbose ($AzContext)

################ Definition of VolumeData #################################
class VolumeData
{
Expand All @@ -48,7 +84,12 @@ class VolumeData
############### Gather information of input volumes ########################

# Get volume group resource to fail fast
$vg = Get-AzElasticSanVolumeGroup -ResourceGroupName $ResourceGroupName -ElasticSanName $ElasticSanName -Name $VolumeGroupName -ErrorAction Stop
try {
Get-AzElasticSanVolumeGroup -ResourceGroupName $ResourceGroupName -ElasticSanName $ElasticSanName -Name $VolumeGroupName | Out-Null
}
catch {
Write-Error "Cannot connect to the Elastic SAN. Make sure you are logged in to Azure or are using an identity." -ErrorAction Stop
}

$volumesToDisconnect= New-Object System.Collections.Generic.List[VolumeData]
$invalidVolumes = New-Object System.Collections.Generic.List[string]
Expand All @@ -74,12 +115,12 @@ if ($invalidVolumes.Count -gt 0) {
$persistentTargets = iscsicli ListPersistentTargets
foreach($volume in $volumesToDisconnect) {
$sessions = Get-IscsiSession | ?{$_.TargetNodeAddress -eq $volume.TargetIQN}
if ($sessions -eq $null) {
if ($null -eq $sessions) {
Write-Host $volume.VolumeName [$($volume.TargetIQN)]: Skipped as this volume is not connected -ForegroundColor Magenta
continue
}

Write-Host $volume.VolumeName [$($volume.TargetIQN)]: Disconncting volume -ForegroundColor Cyan
Write-Host $volume.VolumeName [$($volume.TargetIQN)]: Disconnecting volume -ForegroundColor Cyan
# remove connected sessions
foreach ($session in $sessions) {
iscsicli LogoutTarget $session.SessionIdentifier
Expand Down