From faa7268429724f389e66596f3d70864af4798f8e Mon Sep 17 00:00:00 2001
From: Wes Carroll <wcarroll@users.noreply.github.com>
Date: Wed, 20 Feb 2019 17:29:20 -0500
Subject: [PATCH] Install if no VRA already Installed

---
 ZertoApiWrapper/Public/Install-ZertoVra.ps1 | 55 +++++++++++----------
 1 file changed, 29 insertions(+), 26 deletions(-)

diff --git a/ZertoApiWrapper/Public/Install-ZertoVra.ps1 b/ZertoApiWrapper/Public/Install-ZertoVra.ps1
index c171607..4e41a2c 100644
--- a/ZertoApiWrapper/Public/Install-ZertoVra.ps1
+++ b/ZertoApiWrapper/Public/Install-ZertoVra.ps1
@@ -26,32 +26,35 @@ function Install-ZertoVra {
 
     )
     #TODO - Test to see if VRA already exists!
-    #$vraName = "Z-VRA-{0}" -f $hostName
-    #$installedVras = Get-ZertoVra -hostName $hostName
-    $siteIdentifier = ((Get-Item Env:zertoLocalSiteInfo).value | ConvertFrom-Json).SiteIdentifier
-    $hostIdentifier = Get-ZertoVirtualizationSite -siteIdentifier $siteIdentifier -hosts | Where-Object {$_.VirtualizationHostName -eq $hostName} | Select-Object hostIdentifier -ExpandProperty hostIdentifier
-    $networkIdentifier = Get-ZertoVirtualizationSite -siteIdentifier $siteIdentifier -networks | Where-Object {$_.VirtualizationNetworkName -eq $networkName} | Select-Object NetworkIdentifier -ExpandProperty NetworkIdentifier
-    $datastoreIdentifier = Get-ZertoVirtualizationSite -siteIdentifier $siteIdentifier -datastores | Where-Object {$_.DatastoreName -eq $datastoreName} | Select-Object DatastoreIdentifier -ExpandProperty DatastoreIdentifier
-    $vraBasic = [ordered]@{}
-    $vraBasic['DatastoreIdentifier'] = $datastoreIdentifier.toString()
-    if ($PSBoundParameters.ContainsKey('groupName')) {
-        $vraBasic['GroupName'] = $groupName
-    }
-    $vraBasic['HostIdentifier'] = $hostIdentifier.toString()
-    $vraBasic['MemoryInGB'] = $memoryInGB
-    $vraBasic['NetworkIdentifier'] = $networkIdentifier.toString()
-    $vraBasic['UsePublicKeyInsteadOfCredentials'] = $true
-    $vraBasicNetwork = [ordered]@{}
-    if ( $PSCmdlet.ParameterSetName -eq "StaticIp" ) {
-        $vraBasicNetwork['DefaultGateway'] = $defaultGateway.toString()
-        $vraBasicNetwork['SubnetMask'] = $subnetMask.toString()
-        $vraBasicNetwork['VraIPAddress'] = $vraIpAddress.toString()
-        $vraBasicNetwork['VraIPConfigurationTypeApi'] = "Static"
+    $vraName = "Z-VRA-{0}" -f $hostName
+    if ( Get-ZertoVra -vraName $vraName ) {
+        $siteIdentifier = ((Get-Item Env:zertoLocalSiteInfo).value | ConvertFrom-Json).SiteIdentifier
+        $hostIdentifier = Get-ZertoVirtualizationSite -siteIdentifier $siteIdentifier -hosts | Where-Object {$_.VirtualizationHostName -eq $hostName} | Select-Object hostIdentifier -ExpandProperty hostIdentifier
+        $networkIdentifier = Get-ZertoVirtualizationSite -siteIdentifier $siteIdentifier -networks | Where-Object {$_.VirtualizationNetworkName -eq $networkName} | Select-Object NetworkIdentifier -ExpandProperty NetworkIdentifier
+        $datastoreIdentifier = Get-ZertoVirtualizationSite -siteIdentifier $siteIdentifier -datastores | Where-Object {$_.DatastoreName -eq $datastoreName} | Select-Object DatastoreIdentifier -ExpandProperty DatastoreIdentifier
+        $vraBasic = [ordered]@{}
+        $vraBasic['DatastoreIdentifier'] = $datastoreIdentifier.toString()
+        if ($PSBoundParameters.ContainsKey('groupName')) {
+            $vraBasic['GroupName'] = $groupName
+        }
+        $vraBasic['HostIdentifier'] = $hostIdentifier.toString()
+        $vraBasic['MemoryInGB'] = $memoryInGB
+        $vraBasic['NetworkIdentifier'] = $networkIdentifier.toString()
+        $vraBasic['UsePublicKeyInsteadOfCredentials'] = $true
+        $vraBasicNetwork = [ordered]@{}
+        if ( $PSCmdlet.ParameterSetName -eq "StaticIp" ) {
+            $vraBasicNetwork['DefaultGateway'] = $defaultGateway.toString()
+            $vraBasicNetwork['SubnetMask'] = $subnetMask.toString()
+            $vraBasicNetwork['VraIPAddress'] = $vraIpAddress.toString()
+            $vraBasicNetwork['VraIPConfigurationTypeApi'] = "Static"
+        } else {
+            $vraBasicNetwork['VraIPConfigurationTypeApi'] = "Dhcp"
+        }
+        $vraBasic['VraNetworkDataApi'] = $vraBasicNetwork
+        if ($PSCmdlet.ShouldProcess("Preforming operation 'Install-Vra' on Host $hostName with the following data \n $($vraBasic | convertto-json)")) {
+            Invoke-ZertoRestRequest -uri "vras" -method POST -body $($vraBasic | ConvertTo-Json)
+        }
     } else {
-        $vraBasicNetwork['VraIPConfigurationTypeApi'] = "Dhcp"
-    }
-    $vraBasic['VraNetworkDataApi'] = $vraBasicNetwork
-    if ($PSCmdlet.ShouldProcess("Preforming operation 'Install-Vra' on Host $hostName with the following data \n $($vraBasic | convertto-json)")) {
-        Invoke-ZertoRestRequest -uri "vras" -method POST -body $($vraBasic | ConvertTo-Json)
+        Write-Error "Host $hostName already has a VRA installed. Aborting Install Call"
     }
 }