This is the second in a series of articles giving extended example of how to use the RestAPI. This article will demonstrate how to generate a report equivalent to the Version 3 "OutputApplications" view using PowerShell. For a shorter example that returns a simpler dataset, you can see the article Use RestAPI and PHP to generate a list of Applications.
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Build the CSV file header row
PowerShell has a number of built in libraries for handling output to various file formats. For this example we will be saving the results in a CSV file that can be viewed directly in EXCEL or imported into other databases.
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# Build the CSV File header row $csv = @() $row = New-Object System.Object $row | Add-Member -MemberType NoteProperty -Name "Hostname" -Value $null $row | Add-Member -MemberType NoteProperty -Name "FQDN" -Value $null $row | Add-Member -MemberType NoteProperty -Name "SoftwareName" -Value $null $row | Add-Member -MemberType NoteProperty -Name "SoftwareVersion" -Value $null $row | Add-Member -MemberType NoteProperty -Name "SoftwareVendor" -Value $null $row | Add-Member -MemberType NoteProperty -Name "SoftwareEdition" -Value $null $row | Add-Member -MemberType NoteProperty -Name "InstanceIdentifier" -Value $null $row | Add-Member -MemberType NoteProperty -Name "ClusterInformation" -Value $null $row | Add-Member -MemberType NoteProperty -Name "UserCount" -Value $null $row | Add-Member -MemberType NoteProperty -Name "LastScanDate" -Value $null $row | Add-Member -MemberType NoteProperty -Name "Location" -Value $null $row | Add-Member -MemberType NoteProperty -Name "Language" -Value $null $row | Add-Member -MemberType NoteProperty -Name "ApplicationID" -Value $null $row | Add-Member -MemberType NoteProperty -Name "DeviceID" -Value $null $row | Add-Member -MemberType NoteProperty -Name "DNSHostname" -Value $null $row | Add-Member -MemberType NoteProperty -Name "DNSFQDN" -Value $null $row | Add-Member -MemberType NoteProperty -Name "Evidence" -Value $null |
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# Deal with clusters -- this gets hairy, finish it tomorrow
if ($thisApplication.product.name -eq "VMware Cluster")
{
# VMWare cluster - will need to generate and follow links to nodes to get device names
}
elseif ( ( $thisApplication.product.name -eq 'Oracle Database Cluster Server' ) -or
( $thisApplication.product.name -eq 'WebSphere AS Cluster') -or
( $thisApplication.product.name -eq 'Windows Server Clustering') -or
( $thisApplication.product.name -eq 'Veritas Cluster Server')
)
{
# Get list of node names from $thisApplication -> devices
$cluster = -join ("Cluster: ", $thisApplication, " Nodes: ");
$k=0
while ($k -lt $thisApplication.devices.count)
{
$cluster = -join ($cluster, $thisApplication.devices[$k].host_name)
if ($k -lt $thisApplication.devices.count)
{
# more to do
$cluster = -join ($cluster, "; ")
}
$k = $k + 1
}
} |
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