PowerCLITools.Global.ps1
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function Connect-vCenter { <# .SYNOPSIS Connect to a vSphere vCenter. .DESCRIPTION Connect to a vSphere vCenter. .PARAMETER Server vCenter name. .PARAMETER Username User account to connect to vCenter with. .PARAMETER Password Password for user account to connect to vCenter with. .PARAMETER Credential An optional PS credential object. .INPUTS None. You cannot pipe objects to Connect-vCenter. .OUTPUTS None. .EXAMPLE C:\PS> Connect-vCenter -Server VCENTER01 #> [CmdletBinding(DefaultParameterSetName='Named')] Param ( [parameter(Mandatory=$true,Position=0)] [ValidateNotNullOrEmpty()] [String]$Server, [parameter(Mandatory=$false,ParameterSetName='Named')] [ValidateNotNullOrEmpty()] [String]$Username, [parameter(Mandatory=$false,ParameterSetName='Named')] [ValidateNotNullOrEmpty()] [String]$Password, [parameter(Mandatory=$false,ParameterSetName='CredentialObject')] [ValidateNotNullOrEmpty()] [Management.Automation.PSCredential]$Credential ) try { # -- Check if we have an active connection (use the whole string for an IP but the first section for a server name) $isConnected = $false if ($Global:DefaultVIServers) { if ([Net.IPAddress]::TryParse($Server,[ref]([Net.IPAddress]'127.0.0.1'))) { $isConnected = [Bool]($Global:DefaultVIServers | Where-Object {$_.isConnected -and $_.Name -eq $Server}) } else { $isConnected = [Bool]($Global:DefaultVIServers | Where-Object {$_.isConnected -and $_.Name.Split('.')[0] -eq $Server.Split('.')[0]}) } } # --- Connect if not already active if (!$isConnected) { Write-Verbose "Connecting to VIServer '$Server' ..." Connect-VIServer @PSBoundParameters -WarningAction SilentlyContinue } else { Write-Verbose "VI Server '$Server' is already connected" } } catch { throw "Failed to connect to vCenter Server '$Server'" } } function Global:Confirm-PSSnapin { <# .SYNOPSIS Confirm whether a PSSnapin has been loaded. .DESCRIPTION Confirm whether a PSSnapin has been loaded. .PARAMETER PSSnapin Name of the PSSnapin .INPUTS None. You cannot pipe objects to Confirm-PSSnapin. .OUTPUTS None. .EXAMPLE C:\PS> Confirm-PSSnapin -PSSnapin VMware.VimAutomation.Core #> [CmdletBinding()] param ( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [String]$PSSnapin ) try { Write-Verbose "Confirming whether PSSnapin $PSSnapin is active...'n" if (!(Get-PSSnapin -ErrorAction SilentlyContinue | Where-Object {$_.Name -eq $PSSnapin})){ if (!(Get-PSSnapin -Registered -ErrorAction SilentlyContinue | Where-Object {$_.Name -eq $PSSnapin})){ throw "PSSnapin $($PSSnapin) is not installed...'n" } else { Write-Verbose "PSSnapin $PSSnapin is installed, but not active. Adding it to the current session...`n" Add-PSSnapin -Name $PSSnapin } } else { Write-Verbose "PSSnapin $PSSnapin is already active...`n" } } catch [Exception]{ throw "Unable to confirm whether a PSSnapin has been loaded" } } function Get-StartAndFinishTime { <# .SYNOPSIS Get the start and finish times of a time period. .DESCRIPTION Get the start and finish times of a time period. .PARAMETER Today Time period = Today. .PARAMETER Yesterday Time period = Yesterday. .PARAMETER xDaysAgo Time period = xDaysAgo .PARAMETER PreviousFullWeek Time period = PreviousFullWeek, Mon - Sun .PARAMETER PreviousWeek Time period = PreviousWeek, Today - 7 days ago .PARAMETER xWeeksAgo Time period = xWeeksAgo .PARAMETER PreviousFullMonth Time period = PreviousFullMonth, Oct 1 - Oct 31 .PARAMETER PreviousMonth Time period = PreviousMonth, Today - 1 Month .PARAMETER xMonthsAgo Time period = xMonthsAgo .PARAMETER PreviousYear Time period = PreviousYear, Today - 1 Year .INPUTS System.Int .OUTPUTS System.DateTime .EXAMPLE PS> Get-StartAndFinishTime -Today .EXAMPLE PS> Get-StartAndFinishTime -xDaysAgo 5 .NOTES Version: 1.0 - First draft Date: 29/11/2012 Tag: time,today,yesterday,week,month,year #> [CmdletBinding(DefaultParameterSetName='Today')][OutputTYpe('System.DateTime')] Param ( [parameter(ParameterSetName='Today')] [Switch]$Today, [parameter(ParameterSetName='Yesterday')] [Switch]$Yesterday, [parameter(ParameterSetName='xDaysAgo')] [Int]$xDaysAgo, [parameter(ParameterSetName='PreviousFullWeek')] [Switch]$PreviousFullWeek, [parameter(ParameterSetName='PreviousWeek')] [Switch]$PreviousWeek, [parameter(ParameterSetName='xWeeksAgo')] [Int]$xWeeksAgo, [parameter(ParameterSetName='PreviousFullMonth')] [Switch]$PreviousFullMonth, [parameter(ParameterSetName='PreviousMonth')] [Switch]$PreviousMonth, [parameter(ParameterSetName='xMonthsAgo')] [Int]$xMonthsAgo, [parameter(ParameterSetName='PreviousYear')] [Switch]$PreviousYear ) $TodayMidnight = (Get-Date -Hour 0 -Minute 0 -Second 0) try { switch ($PsCmdlet.ParameterSetName) { "Today" { $Start = $TodayMidnight.AddSeconds(1) $Finish = Get-Date break } "Yesterday" { $Start = $TodayMidnight.AddDays(-1).AddSeconds(1) $Finish = $TodayMidnight break } "xDaysAgo" { $Start = $TodayMidnight.AddDays(-$xDaysAgo).AddSeconds(1) $Finish = $TodayMidnight break } "PreviousFullWeek" { $EndOfWeek = $TodayMidnight.AddDays(-$TodayMidnight.DayOfWeek.value__ +1) $Start = $EndOfWeek.AddDays(-7).AddSeconds(1) $Finish = $EndOfWeek break } "PreviousWeek" { $Start = $TodayMidnight.AddDays(-7).AddSeconds(1) $Finish = $TodayMidnight break } "xWeeksAgo" { $Start = $TodayMidnight.AddDays(-(7 * $xWeeksAgo)).AddSeconds(1) $Finish = $TodayMidnight break } "PreviousFullMonth" { $Start = Get-Date -Day 01 -Month ($TodayMidnight.Month -1) -Year $TodayMidnight.Year -Hour 0 -Minute 0 -Second 1 $Finish = Get-Date -Day 01 -Month ($TodayMidnight.Month) -Year $TodayMidnight.Year -Hour 0 -Minute 0 -Second 0 break } "PreviousMonth" { $Start = $TodayMidnight.AddMonths(-1).AddSeconds(1) $Finish = $TodayMidnight break } "xMonthsAgo" { $Start = $TodayMidnight.AddMonths(-$xMonthsAgo).AddSeconds(1) $Finish = $TodayMidnight break } "PreviousYear" { $Start = $TodayMidnight.AddYears(-1).AddSeconds(1) $Finish = $TodayMidnight break } } Write-Output $Start,$Finish } catch [Exception]{ throw "Unable to determine dates" } } |