public/Set-SubscriptionContext.ps1
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<#
.Synopsis Ensures that a given subscription id is the currently selected context in Az. .Description Optimizes the way the context switcj is happening by only performing the costly operation if the current context differs from the one which is currently in the context. .Parameter SubscriptionId The unique ID of the Azure subscription where the SQL Azure Server is located. .Parameter TenantId The unique ID of the tenant where the subscription lives in for faster context switch. .Example Set-AzdSubscriptionContext -SubscriptionId 12345 -TenantId 56789 Ensures that the context is on subscription with ID 12345 with tenant 56789 .Example Set-AzdSubscriptionContext -SubscriptionId 12345 Ensures that the context is on subscription with ID 12345 without defining the tenant ID. #> Function Set-SubscriptionContext { [CmdLetBinding()] param ( [Parameter()] [string] $TenantId, [Parameter()] [string] $SubscriptionId, [switch] $NoLogo ) begin { if (!$NoLogo.IsPresent) { Write-Logo $MyInvocation.InvocationName } New-FunctionStartup Write-HostDebug "Retrieving current context..." $current = Get-AzContext } process { if (!$?) { throw "Could not retrieve current Azure context. Maybe perform Login-AzAccount first." } if ($SubscriptionId -and $current.Subscription.Id -eq $SubscriptionId) { Write-HostInfo "Reusing context." return } if ($TenantId -and $SubscriptionId) { Set-AzContext -Tenant $TenantId -Subscription $SubscriptionId -ErrorAction SilentlyContinue } elseif ($TenantId) { if ($current.Tenant.Id -eq $TenantId) { Write-HostInfo "Reusing context." return } Set-AzContext -Tenant $TenantId -ErrorAction SilentlyContinue } elseif ($SubscriptionId) { Set-AzContext -Subscription $SubscriptionId -ErrorAction SilentlyContinue } if (!$?) { throw "Could not set context." } Write-HostSuccess "Changed context." } } |