checks/HADR.Tests.ps1
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$filename = $MyInvocation.MyCommand.Name.Replace(".Tests.ps1", "") # Get all the info in the function function Get-ClusterObject { [CmdletBinding()] param ( [string]$ClusterVM ) [pscustomobject]$return = @{ } # Don't think you can use the cluster name here it won't run remotely try { $ErrorActionPreference = 'Stop' $return.Cluster = (Get-Cluster -Name $ClusterVM) $return.Nodes = (Get-ClusterNode -Cluster $ClusterVM) $return.Resources = (Get-ClusterResource -Cluster $ClusterVM) $return.Network = (Get-ClusterNetwork -Cluster $ClusterVM) $return.Groups = (Get-ClusterGroup -Cluster $ClusterVM) $return.AGs = $return.Resources.Where{ $psitem.ResourceType -eq 'SQL Server Availability Group' } } catch { $return.Cluster = 'FailedToConnect' $return.Nodes = 'FailedToConnect' $return.Resources = 'FailedToConnect' $return.Network = 'FailedToConnect' $return.Groups = 'FailedToConnect' $return.AGs = 'FailedToConnect' } $return.AvailabilityGroups = @{ } #Add all the AGs foreach ($Ag in $return.AGs) { try { # Because several replicas can be on the same cluster node, # cluster node can appear several times, then we want to # avoid duplicate detection of replicas If ($PreviousClusterNode -ne $AGResource.OwnerNode.Name) { $PreviousClusterNode = $AGResource.OwnerNode.Name # We get cluster node owner first ... # We need then for each owner to find out the corresponding replicas => SQL Instance Name + Port $Replicas = Find-DbaInstance -ComputerName $AGResource.OwnerNode.Name } # Finally for each replica detected (SQL Server + Port) # We try to find the corresponding AG(s) info foreach ($replica in $Replicas){ $AGs = Get-DbaAvailabilityGroup -SqlInstance "$($replica.ComputerName),$($replica.Port)" foreach ($AG in $AGs){ If ($AG.AvailabilityGroup -eq $AGResource.Name) { $return.AvailabilityGroups[$AGResource.Name] = $AG } } } } catch { $return = $null } } Return $return } # Import module or bomb out # needs the failover cluster module if (-not (Get-Module FailoverClusters)) { try { if ($IsCoreCLR) { Stop-PSFFunction -Message "FailoverClusters module cannot be loaded in PowerShell Core unfortunately" -ErrorRecord $psitem return } else { Import-Module FailoverClusters -ErrorAction Stop } } catch { Stop-PSFFunction -Message "FailoverClusters module could not load - Please install the Failover Cluster module using Windows Features " -ErrorRecord $psitem return } } else { if ($IsCoreCLR) { Stop-PSFFunction -Message "FailoverClusters module cannot be loaded in PowerShell Core unfortunately" -ErrorRecord $psitem return } } # Grab some values $clusters = Get-DbcConfigValue app.cluster $skipaglistenerping = Get-DbcConfigValue skip.hadr.listener.pingcheck # $skipaglistenertcpport = Get-DbcConfigValue skip.hadr.listener.tcpport # to stop the pester failing $skipreplicatcpport = Get-DbcConfigValue skip.hadr.replica.tcpport $domainname = Get-DbcConfigValue domain.name # $agtcpport = Get-DbcConfigValue policy.hadr.agtcpport # to stop the pester failing $sqltcpport = Get-DbcConfigValue policy.hadr.tcpport #Check for Cluster config value if ($clusters.Count -eq 0) { Write-Warning "No Clusters to look at. Please use Set-DbcConfig -Name app.cluster to add clusters for checking" break } foreach ($clustervm in $clusters) { try { # pick the name here for the output - we cant use it as we are accessing remotely $clustername = (Get-Cluster -Name $clustervm -ErrorAction Stop).Name } catch { # so that we dont get the error and Get-ClusterObject fills it as FailedtoConnect $clustername = $clustervm } Describe "Cluster $clustername Health using Node $clustervm" -Tags ClusterHealth, $filename { $return = @(Get-ClusterObject -ClusterVM $clustervm) Context "Cluster nodes for $clustername" { @($return.Nodes).ForEach{ It "Node $($psitem.Name) should be up" { $psitem.State | Should -Be 'Up' -Because 'Every node in the cluster should be available' } } } Context "Cluster resources for $clustername" { # Get the resources that are no IP Addresses with an owner of Availability Group $return.Resources.Where{ ( $_.ResourceType -in ($_.ResourceType -ne 'IP Address') ) -and ($_.OwnerGroup -in $Return.Ags) }.ForEach{ It "Resource $($psitem.Name) should be online" { $psitem.State | Should -Be 'Online' -Because 'All of the cluster resources should be online' } } # Get the resources where IP Address is owned by AG and group by AG @($return.Resources.Where{ $_.ResourceType -eq 'IP Address' -and $_.OwnerGroup -in $return.AGs } | Group-Object -Property OwnerGroup).ForEach{ It "One of the IP Addresses for Availability Group $($Psitem.Name) Should be online" { $psitem.Group.Where{ $_.State -eq 'Online' }.Count | Should -Be 1 -Because "There should be one IP Address online for Availability Group $($PSItem.Name)" } } } Context "Cluster networks for $clustername" { @($return.Network).ForEach{ It "$($psitem.Name) should be up" { $psitem.State | Should -Be 'Up' -Because 'All of the CLuster Networks should be up' } } } $AGs = $return.AGs.Name foreach ($AGName in $AGs) { $AG = @($return.AvailabilityGroups[$AGName]) Context "HADR status for $($AG.SqlInstance) on $clustername" { It "HADR should be enabled on the replica $($AG.SqlInstance)" { try { $HADREnabled = (Get-DbaAgHadr -SqlInstance $AG.SqlInstance -WarningAction SilentlyContinue).IsHadrEnabled } catch { $HADREnabled = $false } $HADREnabled | Should -BeTrue -Because 'All of the nodes should have HADR enabled' } } Context "Cluster Connectivity for Availability Group $($AG.Name) on $clustername" { @($AG.AvailabilityGroupListeners).ForEach{ try { $results = Test-DbaConnection -sqlinstance $_.Name } Catch { $results = [PSCustomObject]@{ IsPingable = $false ConnectSuccess = $false DomainName = $false TCPPort = $false } } It "Listener $($results.SqlInstance) should be pingable" -skip:$skipaglistenerping { $results.IsPingable | Should -BeTrue -Because 'The listeners should be pingable' } It "Listener $($results.SqlInstance) should be able to connect with SQL" { $results.ConnectSuccess | Should -BeTrue -Because 'The listener should process SQL commands successfully' } It "Listener $($results.SqlInstance) domain name should be $domainname" { $results.DomainName | Should -Be $domainname -Because "$domainname is what we expect the domain name to be" } } @($AG.AvailabilityReplicas).ForEach{ $results = Test-DbaConnection -sqlinstance $PsItem.Name It "Replica $($results.SqlInstance) should be Pingable" { $results.IsPingable | Should -BeTrue -Because 'Each replica should be pingable' } It "Replica $($results.SqlInstance) should be able to connect with SQL" { $results.ConnectSuccess | Should -BeTrue -Because 'Each replica should be able to process SQL commands' } It "Replica $($results.SqlInstance) domain name should be $domainname" { $results.DomainName | Should -Be $domainname -Because "$domainname is what we expect the domain name to be" } # Consolidated environments with multi-instances / AG replicas # In this case we cannot configure the same tcpport than those used for AG listeners # TCP port conflict # Adding exclusion for these scenarios It "Replica $($results.SqlInstance) TCP port should be in $tcpport" -Skip:$skipreplicatcpport { $results.TCPPort | Should -BeIn $sqltcpport -Because "We expect the TCP Port to be in $sqltcpport" } } } Context "Availability group status for $($AG.Name) on $clustername" { @($AG.AvailabilityReplicas).ForEach{ It "$($psitem.Name) replica should not be in unknown availability mode" { $psitem.AvailabilityMode | Should -Not -Be 'Unknown' -Because 'The replica should not be in unknown state' } } @($AG.AvailabilityReplicas).Where{ $psitem.AvailabilityMode -eq 'SynchronousCommit' }.ForEach{ It "$($psitem.Name) replica should be synchronised" { $psitem.RollupSynchronizationState | Should -Be 'Synchronized' -Because 'The synchronous replica should be synchronised' } } $AG.AvailabilityReplicas.Where{ $psitem.AvailabilityMode -eq 'ASynchronousCommit' }.ForEach{ It "$($psitem.Name) replica should be synchronising" { $psitem.RollupSynchronizationState | Should -Be 'Synchronizing' -Because 'The asynchronous replica should be synchronizing ' } } @($AG.AvailabilityReplicas).Where.ForEach{ It "$($psitem.Name) replica should be connected" { $psitem.ConnectionState | Should -Be 'Connected' -Because 'The replica should be connected' } } } Context "Database availability group status for $($AG.Name) on $clustername" { @($ag.AvailabilityReplicas.Where{ $_.AvailabilityMode -eq 'SynchronousCommit' }).ForEach{ @(Get-DbaAgDatabase -SqlInstance $psitem.Name -AvailabilityGroup $Ag.Name).ForEach{ It "Database $($psitem.DatabaseName) should be synchronised on the replica $($psitem.Replica)" { $psitem.SynchronizationState | Should -Be 'Synchronized' -Because 'The database on the synchronous replica should be synchronised' } It "Database $($psitem.DatabaseName) should be failover ready on the replica $($psitem.Replica)" { $psitem.IsFailoverReady | Should -BeTrue -Because 'The database on the synchronous replica should be ready to failover' } It "Database $($psitem.DatabaseName) should be joined on the replica $($psitem.Replica)" { $psitem.IsJoined | Should -BeTrue -Because 'The database on the synchronous replica should be joined to the availability group' } It "Database $($psitem.DatabaseName) should not be suspended on the replica $($psitem.Replica)" { $psitem.IsSuspended | Should -Be $False -Because 'The database on the synchronous replica should not be suspended' } } } @($ag.AvailabilityReplicas.Where{ $_.AvailabilityMode -eq 'AsynchronousCommit' }).ForEach{ @(Get-DbaAgDatabase -SqlInstance $PSItem.Name -AvailabilityGroup $Ag.Name).ForEach{ It "Database $($psitem.DatabaseName) should be synchronising on the secondary as it is Async" { $psitem.SynchronizationState | Should -Be 'Synchronizing' -Because 'The database on the asynchronous secondary replica should be synchronising' } It "Database $($psitem.DatabaseName) should not be failover ready on the secondary replica $($psitem.Replica)" { $psitem.IsFailoverReady | Should -BeFalse -Because 'The database on the asynchronous secondary replica should be ready to failover' } It "Database $($psitem.DatabaseName) should be joined on the secondary replica $($psitem.Replica)" { $psitem.IsJoined | Should -BeTrue -Because 'The database on the asynchronous secondary replica should be joined to the availability group' } It "Database $($psitem.DatabaseName) should not be suspended on the secondary replica $($psitem.Replica)" { $psitem.IsSuspended | Should -Be $False -Because 'The database on the asynchronous secondary replica should not be suspended' } } } } Context "Always On extended event status for replica $($AG.SqlInstance) on $clustername" { try { $Xevents = Get-DbaXEsession -SqlInstance $AG.SqlInstance -WarningAction SilentlyContinue } catch { $Xevents = 'FailedToConnect' } It "Replica $($psitem.Name) should have an extended event session called AlwaysOn_health" { $Xevents.Name | Should -Contain 'AlwaysOn_health' -Because 'The extended events session should exist' } It "Replica $($AG.SqlInstance) Always On Health extended event session should be running" { $Xevents.Where{ $_.Name -eq 'AlwaysOn_health' }.Status | Should -Be 'Running' -Because 'The extended event session will enable you to troubleshoot errors' } It "Replica $($AG.SqlInstance) Always On Health extended event session should be set to auto start" { $Xevents.Where{ $_.Name -eq 'AlwaysOn_health' }.AutoStart | Should -BeTrue -Because 'The extended event session will enable you to troubleshoot errors' } } } } } # 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