90 lines
2.9 KiB
PowerShell
90 lines
2.9 KiB
PowerShell
<#
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DISKSPD - VM Fleet
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Copyright(c) Microsoft Corporation
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All rights reserved.
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MIT License
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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#>
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# script to check the state/health of pause in the fleet
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#
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# isactive - whether there is an active pause (independent of health)
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# !isactive - whether there is an active pause and all VMs have responded to it
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#
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# true/false return
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param(
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[switch] $isactive = $false
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)
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$pause = "C:\ClusterStorage\collect\control\flag\pause"
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$pauseepoch = gc $pause -ErrorAction SilentlyContinue
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if ($pauseepoch -eq $null) {
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write-host -fore red Pause not in force
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return $false
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}
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# if only performing the pause active check, done
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if ($isactive) {
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return $true
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}
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# accumulate hash of pause flags mapped to current/stale state
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$h = @{}
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dir $pause-* |% {
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$thispause = gc $_ -ErrorAction SilentlyContinue
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if ($thispause -eq $pauseepoch) {
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$pausetype = 'Current'
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} else {
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$pausetype = 'Stale'
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}
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if ($_.name -match 'pause-(.+)\+(vm.+)') {
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# 1 is CSV, 2 is VM name
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$h[$matches[2]] = $pausetype
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} else {
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write-host -fore red ERROR: malformed pause $_.name present
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}
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}
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# now correlate to online vms and see if we agree all online are paused.
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# note that if we shutdown some vms and then check pause the current flags
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# will be higher than online, so we need to verify individually to not
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# spoof ourselves.
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$vms = get-clustergroup |? GroupType -eq VirtualMachine |? Name -like 'vm-*' |? State -eq Online
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$pausedvms = $vms |? { $h[$_.Name] -eq 'Current' }
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if ($pausedvms.Count -eq $vms.Count) {
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write-host -fore green OK: All $vms.count VMs paused
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} else {
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write-host -fore red WARNING: of "$($vms.Count)," still waiting on ($vms.Count - $pausedvms.Count) to acknowledge pause
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compare-object $vms $pausedvms -Property Name -PassThru | sort -Property Name | ft -AutoSize Name,OwnerNode | Out-Host
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return $false
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}
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return $true |