A Dell OMReport Invoker and Parser for SSV Content. Used to gather storage health.

OMReport.psm1

function Invoke-OMReport ($ArgumentList,[Switch]$Raw) {
    #Written to be PSv2 Compatible with older systems, e.g. 2008R2 for use in Powershell Remoting

    #OFS is used to preserve the "newlines" in the command output for parsing, otherwise they get converted to spaces by default when casting the string array to a single string
    $OFS="`r`n"
    [String]$omReportResultSSV = & $env:ProgramFiles\Dell\SysMgt\oma\bin\omreport.exe ($ArgumentList -split ' ') -fmt ssv
    Remove-Variable OFS

    #Matches repeating content with a semicolon, and then additional lines within a "block", a block being defined as ending with a double newline or the end of the string
    $ssvRegex = '(?:[^;\r\n]+(?:;[^;\r\n]+){2,}(?:(?:\r\n)|$)){1,}'

    if ($omReportResultSSV -notmatch $ssvRegex) {
        if ($LASTEXITCODE -ne 0) {
            Write-Error $omReportResultSSV
        } else {
            Write-Warning $omReportResultSSV
        }
        return
    }

    if ($Raw) {
        return $omReportResultSSV
    } else {
        return (ConvertFrom-OMReportSSV $omReportResultSSV)
    }
}

function ConvertFrom-OMReportSSV ([String]$omReportResultSSV) {    
    #Matches repeating content with a semicolon, and then additional lines within a "block", a block being defined as ending with a double newline or the end of the string
    [Regex]$ssvRegex = '(?:[^;\r\n]+(?:;[^;\r\n]+){2,}(?:(?:\r\n)|$)){1,}'

    $omReportResultMatches = $ssvRegex.Matches($omReportResultSSV)

    if (-not $omReportResultMatches.count) {
        write-warning "No SSV blocks found in the input"
    }

    foreach ($reportItem in $omReportResultMatches) {
        ConvertFrom-CSV -InputObject $reportItem.value.trim() -Delimiter ';'
    }
}