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HP OneView User Manual

Page 301

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#Use exception message
}

if ($isSilent) {
throw $errorMessage
}
elseif ($global:interactiveMode -eq 1)
{
Write-Host $errorMessage
}
else
{
Write-EventLog -EventId 100 -LogName Application -Source backup.ps1 -Message $errorMessage
}

#No need to rethrow since already recorded error
return
}
}

##### Start of function calls #####

#gets the credentials from user, either manual entry or from file
$savedLoginJson = queryfor-credentials $args[0]
if ($savedLoginJson -eq $null)
{
#if an error occurs, it has already been logged in the queryfor-credentials function
return
}

#extracts needed information from the credential json
try
{
$savedLoginJson = "[" + $savedLoginJson + "]"
$savedloginVals = $savedLoginJson | convertFrom-Json
$SecStrLoginname = $savedloginVals.userName | ConvertTo-SecureString -ErrorAction stop
$loginname =

[Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($SecStrLoginName))

$hostname = $savedloginVals.hostname
$SecStrPassword = $savedloginVals.password | ConvertTo-SecureString -ErrorAction stop
$password =

[Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($SecStrpassword))
}
catch [System.Exception]
{
if ($global:interactiveMode -eq 1)
{
Write-Host "Failed to get credentials: " + $error[0].Exception.Message
}
else
{
Write-EventLog -EventId 100 -LogName Application -Source backup.ps1 -Message "Failed to get credentials: "
+ $error[0].Exception.Message
}
}

#determines the active Api version
$global:scriptApiVersion = getApiVersion $global:scriptApiVersion $hostname
if ($global:scriptApiVersion -eq $null)
{
if ($global:interactiveMode -eq 1)
{
Write-Host "Could not determine appliance Api version"
}

Write-EventLog -EventId 100 -LogName Application -Source backup.ps1 -Message "Could not determine appliance
Api version"
return
}

#sends the login request to the machine, gets an authorized session ID if successful
$authValue = login-appliance $loginname $password $hostname
if ($authValue -eq $null)
{
if ($global:interactiveMode -eq 1)
{
Write-Host "Failed to receive login session ID."
}
Write-EventLog -EventId 100 -LogName Application -Source backup.ps1 -Message "Failed to receive login session
ID."
return
}

#sends the request to start the backup process, returns the taskResource object
$taskResource = backup-Appliance $authValue.sessionID $hostname
if ($taskResource -eq $null)
{
if ($global:interactiveMode -eq 1)
{

C.1 Sample backup script 301