functions/Find-DbaAgentJob.ps1

function Find-DbaAgentJob {
    <#
        .SYNOPSIS
            Find-DbaAgentJob finds agent job/s that fit certain search filters.
 
        .DESCRIPTION
            This command filters SQL Agent jobs giving the DBA a list of jobs that may need attention or could possibly be options for removal.
 
        .PARAMETER SqlInstance
            The SQL Server instance. You must have sysadmin access and server version must be SQL Server version 2000 or higher.
 
        .PARAMETER SqlCredential
            Allows you to login to servers using SQL Logins as opposed to Windows Auth/Integrated/Trusted.
 
        .PARAMETER LastUsed
            Find all jobs that havent ran in the INT number of previous day(s)
 
        .PARAMETER Disabled
            Find all jobs that are disabled
 
        .PARAMETER Failed
            Find all jobs that have failed
 
        .PARAMETER NoSchedule
            Find all jobs with schedule set to it
 
        .PARAMETER NoEmailNotification
            Find all jobs without email notification configured
 
        .PARAMETER Exclude
            Allows you to enter an array of agent job names to ignore
 
        .PARAMETER Name
            Filter agent jobs to only the names you list. This is a regex pattern by default so no asterisks are necessary. If you need an exact match, use -Exact.
 
        .PARAMETER Category
            Filter based on agent job categories
 
        .PARAMETER Owner
            Filter based on owner of the job/s
 
        .PARAMETER StepName
            Filter based on StepName. This is a regex pattern by default so no asterisks are necessary. If you need an exact match, use -Exact.
 
        .PARAMETER Exact
            Job Names and Step Names are searched for by regex by default. Use Exact to return only exact matches.
 
        .PARAMETER Since
            Datetime object used to narrow the results to a date
 
        .PARAMETER Silent
            Use this switch to disable any kind of verbose messages
 
        .NOTES
            Tags: Agent, Job
            Author: Stephen Bennett (https://sqlnotesfromtheunderground.wordpress.com/)
 
            Website: https://dbatools.io
            Copyright: (C) Chrissy LeMaire, clemaire@gmail.com
            License: GNU GPL v3 https://opensource.org/licenses/GPL-3.0
 
        .LINK
            https://dbatools.io/Find-DbaAgentJob
 
        .EXAMPLE
            Find-DbaAgentJob -SqlInstance Dev01 -Name backup
 
            Returns all agent job(s) that have backup in the name
 
        .EXAMPLE
            Find-DbaAgentJob -SqlInstance Dev01 -LastUsed 10
 
            Returns all agent job(s) that have not ran in 10 days
 
        .EXAMPLE
            Find-DbaAgentJob -SqlInstance Dev01 -Disabled -NoEmailNotification -NoSchedule
 
            Returns all agent job(s) that are either disabled, have no email notification or dont have a schedule. returned with detail
 
        .EXAMPLE
            Find-DbaAgentJob -SqlInstance Dev01 -LastUsed 10 -Exclude "Yearly - RollUp Workload", "SMS - Notification"
 
            Returns all agent jobs that havent ran in the last 10 ignoring jobs "Yearly - RollUp Workload" and "SMS - Notification"
 
        .EXAMPLE
            Find-DbaAgentJob -SqlInstance Dev01 -Category "REPL-Distribution", "REPL-Snapshot" -Detailed | Format-Table -AutoSize -Wrap
 
            Returns all job/s on Dev01 that are in either category "REPL-Distribution" or "REPL-Snapshot" with detailed output
 
        .EXAMPLE
            Find-DbaAgentJob -SqlInstance Dev01, Dev02 -Failed -Since '7/1/2016 10:47:00'
 
            Returns all agent job(s) that have failed since July of 2016 (and still have history in msdb)
 
        .EXAMPLE
            Get-DbaRegisteredServerName -SqlInstance CMSServer -Group Production | Find-DbaAgentJob -Disabled -NoSchedule -Detailed | Format-Table -AutoSize -Wrap
 
            Queries CMS server to return all SQL instances in the Production folder and then list out all agent jobs that have either been disabled or have no schedule.
 
        .EXAMPLE
            Find-DbaAgentJob -SqlInstance Dev01, Dev02 -Name Mybackup -Exact
 
            Returns all agent job(s) that are named exactly Mybackup
    #>

    [CmdletBinding()]
    Param (
        [parameter(Position = 0, Mandatory = $true, ValueFromPipeline = $True)]
        [Alias("ServerInstance", "SqlServer", "SqlServers")]
        [DbaInstanceParameter[]]$SqlInstance,
        [PSCredential]
        $SqlCredential,
        [string[]]$Name,
        [string[]]$StepName,
        [switch]$Exact,
        [int]$LastUsed,
        [switch]$Disabled,
        [switch]$Failed,
        [switch]$NoSchedule,
        [switch]$NoEmailNotification,
        [string[]]$Category,
        [string]$Owner,
        [string[]]$Exclude,
        [datetime]$Since,
        [switch]$Silent
    )
    begin {
        if ($Failed, [boolean]$Name, [boolean]$StepName, [boolean]$LastUsed.ToString(), $Disabled, $NoSchedule, $NoEmailNotification, [boolean]$Category, [boolean]$Owner, [boolean]$Exclude -notcontains $true) {
            Stop-Function -Message "At least one search term must be specified"
        }
    }
    process {
        if (Test-FunctionInterrupt) { return }

        foreach ($instance in $SqlInstance) {
            Write-Message -Level Verbose -Message "Running Scan on: $instance"

            try {
                Write-Message -Level Verbose -Message "Connecting to $instance"
                $server = Connect-SqlInstance -SqlInstance $instance -SqlCredential $sqlcredential
            }
            catch {
                Stop-Function -Message "Failure" -Category ConnectionError -ErrorRecord $_ -Target $instance -Continue
            }

            $jobs = $server.JobServer.jobs
            $output = @()

            if ($Failed) {
                Write-Message -Level Verbose -Message "Checking for failed jobs"
                $output += $jobs | Where-Object { $_.LastRunOutcome -eq "Failed" }
            }

            if ($Name) {
                foreach ($jobname in $Name) {
                    Write-Message -Level Verbose -Message "Gettin some jobs by their names"
                    if ($Exact -eq $true) {
                        $output += $jobs | Where-Object { $_.Name -eq $name }
                    }
                    else {
                        try {
                            $output += $jobs | Where-Object { $_.Name -match $name }
                        }
                        catch {
                            # they prolly put aterisks thinking it's a like
                            $Name = $Name -replace '\*', ''
                            $Name = $Name -replace '\%', ''
                            $output += $jobs | Where-Object { $_.Name -match $name }
                        }
                    }
                }
            }

            if ($StepName) {
                foreach ($name in $StepName) {
                    Write-Message -Level Verbose -Message "Gettin some jobs by their names"
                    if ($Exact -eq $true) {
                        $output += $jobs | Where-Object { $_.JobSteps.Name -eq $name }
                    }
                    else {
                        try {
                            $output += $jobs | Where-Object { $_.JobSteps.Name -match $name }
                        }
                        catch {
                            # they prolly put aterisks thinking it's a like
                            $StepName = $StepName -replace '\*', ''
                            $StepName = $StepName -replace '\%', ''
                            $output += $jobs | Where-Object { $_.JobSteps.Name -match $name }
                        }
                    }
                }
            }

            if ($LastUsed) {
                $DaysBack = $LastUsed * -1
                $SinceDate = (Get-date).AddDays($DaysBack)
                Write-Message -Level Verbose -Message "Finding job/s not ran in last $LastUsed days"
                $output += $jobs | Where-Object { $_.LastRunDate -le $SinceDate }
            }

            if ($Disabled) {
                Write-Message -Level Verbose -Message "Finding job/s that are disabled"
                $output += $jobs | Where-Object { $_.IsEnabled -eq $false }
            }

            if ($NoSchedule) {
                Write-Message -Level Verbose -Message "Finding job/s that have no schedule defined"
                $output += $jobs | Where-Object { $_.HasSchedule -eq $false }
            }
            if ($NoEmailNotification) {
                Write-Message -Level Verbose -Message "Finding job/s that have no email operator defined"
                $output += $jobs | Where-Object { $_.OperatorToEmail -eq "" }
            }


            if ($Category) {
                Write-Message -Level Verbose -Message "Finding job/s that have the specified category defined"
                $output += $jobs | Where-Object { $Category -contains $_.Category }
            }

            if ($Owner) {
                Write-Message -Level Verbose -Message "Finding job/s with owner critera"
                if ($Owner -match "-") {
                    $OwnerMatch = $Owner -replace "-", ""
                    Write-Message -Level Verbose -Message "Checking for jobs that NOT owned by: $OwnerMatch"
                    $output += $server.JobServer.jobs | Where-Object { $OwnerMatch -notcontains $_.OwnerLoginName }
                }
                else {
                    Write-Message -Level Verbose -Message "Checking for jobs that are owned by: $owner"
                    $output += $server.JobServer.jobs | Where-Object { $Owner -contains $_.OwnerLoginName }
                }
            }

            if ($Exclude) {
                Write-Message -Level Verbose -Message "Excluding job/s based on Exclude"
                $output = $output | Where-Object { $Exclude -notcontains $_.Name }
            }

            if ($Since) {
                #$Since = $Since.ToString("yyyy-MM-dd HH:mm:ss")
                Write-Message -Level Verbose -Message "Getting only jobs whose LastRunDate is greater than or equal to $since"
                $output = $output | Where-Object { $_.LastRunDate -ge $since }
            }

            $jobs = $output | Select-Object -Unique

            foreach ($job in $jobs) {
                Add-Member -Force -InputObject $job -MemberType NoteProperty -Name ComputerName -value $server.NetName
                Add-Member -Force -InputObject $job -MemberType NoteProperty -Name InstanceName -value $server.ServiceName
                Add-Member -Force -InputObject $job -MemberType NoteProperty -Name SqlInstance -value $server.DomainInstanceName
                $job | Select-DefaultView -Property ComputerName, InstanceName, SqlInstance, Name, LastRunDate, LastRunOutcome, IsEnabled, CreateDate, HasSchedule, OperatorToEmail, Category, OwnerLoginName
            }
        }
    }
}