PureStorage.FlashArray.VMware.Pure1.psm1
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function new-pfaConnectionsWithPureOne { <# .SYNOPSIS Retrieves FlashArrays from Pure1 and creates a PowerShell connection to them. .DESCRIPTION Pulls all of the virtual IPs of the FlashArrays and identifies their FQDNs and then connects to them. .INPUTS Pure1 session and credentials. .OUTPUTS FlashArray endpoints. .NOTES Version: 1.0 Author: Cody Hosterman https://codyhosterman.com Creation Date: 06/09/2019 Purpose/Change: First release *******Disclaimer:****************************************************** This scripts are offered "as is" with no warranty. While this scripts is tested and working in my environment, it is recommended that you test this script in a test lab before using in a production environment. Everyone can use the scripts/commands provided here without any written permission but I will not be liable for any damage or loss to the system. ************************************************************************ #> [CmdletBinding()] Param( [Parameter(Position=0,ValueFromPipeline=$True)] [System.Management.Automation.PSCredential]$credentials, [Parameter(Position=1)] [string]$pureOneToken ) if (($null -eq $Global:pureOneRestHeader) -and ($pureOneToken -eq "")) { throw "No access token found in the global variable or passed in. Run the cmdlet New-PureOneRestConnection to authenticate." } if ($null -eq $Global:pureOneRestHeader) { $Global:pureOneRestHeader = @{authorization="Bearer $($pureOnetoken)"} } $pureOneArrays = Get-PureOneArray -arrayProduct "Purity//FA" foreach ($pureOneArray in $pureOneArrays) { $arrayIP = (Get-PureOneArrayNetworking -virtualIP -arrayName $pureOneArray.name |Where-Object {$_.name -eq "vir0"}).address try { #try to find FQDN of Array VIP $arrayFqdn = ([System.Net.Dns]::GetHostByAddress(($arrayIP))).Hostname } catch { $arrayFqdn = $arrayIP } #Verify array can be connected to over port 443 $arrayAlive = Test-NetConnection -ComputerName $arrayFqdn -Port 443 -InformationLevel "quiet" if ($arrayAlive -eq $True) { $arrayConnected = $false while ($arrayConnected -ne $True) { if ($null -eq $credentials) { $credentials = Get-Credential -Message "Please enter valid FlashArray credentials for $($pureOneArray.name)" if ($null -eq $credentials) { throw "Array registration canceled." } } try { new-pfaConnection -nonDefaultArray -endpoint $arrayFqdn -credentials $credentials -ignoreCertificateError |Out-Null $arrayConnected = $True } catch { if ($Global:Error[0] -like "*invalid credentials*") { Write-Warning -Message "Bad credentials. Please enter valid credentials for $($pureOneArray.name)" $credentials = $null } } } } else { Write-Error -Message "FlashArray $($pureOneArray.name) could not be found on the network. Skipping this array." } } } function get-leastBusyPfaConnection { <# .SYNOPSIS Retrieves the FlashArray with the lowest busy meter over the specified time. .DESCRIPTION Returns the FlashArray connection that was the least busy in the overall specified time. .INPUTS FlashArray connections. .OUTPUTS FlashArray connection. .NOTES Version: 1.0 Author: Cody Hosterman https://codyhosterman.com Creation Date: 06/09/2019 Purpose/Change: First release *******Disclaimer:****************************************************** This scripts are offered "as is" with no warranty. While this scripts is tested and working in my environment, it is recommended that you test this script in a test lab before using in a production environment. Everyone can use the scripts/commands provided here without any written permission but I will not be liable for any damage or loss to the system. ************************************************************************ #> [CmdletBinding()] Param( [Parameter(Position=0,ValueFromPipeline=$True)] [PurePowerShell.PureArray[]]$flasharray, [Parameter(Position=1)] [switch]$average, [Parameter(Position=2)] [switch]$maximum, [Parameter(Position=3)] [int16]$daysToSample, [Parameter(Position=4)] [Decimal]$maxCapacityFullAllowed, [Parameter(Position=5)] [Decimal]$maxCapacityFullPreferred, [Parameter(Position=6)] [string]$pureOneToken ) if (($null -eq $Global:pureOneRestHeader) -and ($pureOneToken -eq "")) { throw "No access token found in the global variable or passed in. Run the cmdlet New-PureOneRestConnection to authenticate." } if ($null -eq $Global:pureOneRestHeader) { $Global:pureOneRestHeader = @{authorization="Bearer $($pureOnetoken)"} } if ($null -eq $flasharray) { $flasharray = $Global:AllFlashArrays } if ($null -eq $flasharray) { throw "You must either pass in FlashArray connections or populate them with new-pfaConnectionsWithPureOne" } if (($maximum -eq $true) -and ($average -eq $true)) { throw "Please only specify average or maximum as true." } if (($maximum -eq $false) -and ($average -eq $false)) { $maximum = $True } if ($maxCapacityFullAllowed -eq 0) { $maxCapacityFullAllowed = .90 } if (($maxCapacityFullAllowed -le 0) -or ($maxCapacityFullAllowed -ge 1)) { throw "Please enter a percent full between 0 and 1 (entered value is $($maxCapacityFullAllowed))" } if ($maxCapacityFullPreferred -eq 0) { $maxCapacityFullPreferred = .75 } if (($maxCapacityFullPreferred -le 0) -or ($maxCapacityFullPreferred -ge 1)) { throw "Please enter a percent full between 0 and 1 (entered value is $($maxCapacityFullPreferred))" } if ($maxCapacityFullPreferred -gt $maxCapacityFullAllowed) { throw "The max capacity full must be lower than the max capacity allowed" } #set granularity to total interval, aka return one overall number for entire time period $metricDetails = Get-PureOneMetricDetail -metricName "array_total_load" $pureOneDaysToSampleAllowed = ($metricDetails.availabilities.retention / 1000 / 60 / 60 / 24) if ($daysToSample -eq 0) { $daysToSample = ($metricDetails.availabilities.retention / 1000 / 60 / 60 / 24) } elseif ($daysToSample -gt $pureOneDaysToSampleAllowed) { throw "Specified days to sample is too far in the past. Pure1 only supports up $($pureOneDaysToSampleAllowed)" } $granularity = $daysToSample * 24 * 60 * 60 * 1000 $endTime = Get-Date $endTime = $endTime.ToUniversalTime() $startTime = $endTime.AddDays(-$daysToSample) $startTime = $startTime.ToUniversalTime() $arraySerial = @() foreach ($fa in $flasharray) { $arraySerial += (Get-PfaArrayAttributes -array $fa).id } $busyMeters = Get-PureOneArrayBusyMeter -objectId $arraySerial -average:$average -maximum:$maximum -startTime $startTime -endTime $endTime -granularity $granularity $leastBusyArray = $null $leastBusyCapacityArray = $null foreach ($busyMeter in $busyMeters) { $fa = get-pfaConnectionFromArrayId -arrayId $busyMeter.resources.id $totalSpace = Get-PfaArraySpaceMetrics -Array $fa $percentCapacityFull = $totalSpace.total / $totalSpace.capacity if ($percentCapacityFull -gt $maxCapacityFullAllowed) { continue } elseif ($percentCapacityFull -lt $maxCapacityFullPreferred) { if ($null -eq $leastBusyArray) { $leastBusyArray = $busyMeter } if ($leastBusyArray.data[0][1] -gt $busyMeter.data[0][1]) { $leastBusyArray = $busyMeter } } elseif ($percentCapacityFull -gt $maxCapacityFullPreferred) { if ($null -eq $leastBusyCapacityArray) { $leastBusyCapacityArray = $busyMeter } if ($leastBusyCapacityArray.data[0][1] -gt $busyMeter.data[0][1]) { $leastBusyCapacityArray = $busyMeter } } } if ($null -ne $leastBusyArray) { return (get-pfaConnectionFromArrayId -arrayId $leastBusyArray.resources.id) } elseif ($null -ne $leastBusyCapacityArray) { return (get-pfaConnectionFromArrayId -arrayId $leastBusyCapacityArray.resources.id) } } |