Public/Connect-SilkCNode.ps1
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function Connect-SilkCNode { param( [Parameter()] [int] $SessionCount = 1, [Parameter(Mandatory)] [ipaddress] $cnodeIP, [parameter()] [System.Management.Automation.PSCredential] $chapCredentials, [Parameter()] [switch] $rebalance ) # Process # information gathering for current status $total = Get-SilkSessions -totalOnly if ($rebalance) { $SessionCount = 1 } # Test-Netconnection against the IP to either select the best interface, or validate the specified interface. $pingTest = Test-NetConnection -ComputerName $cnodeIP.IPAddressToString -Port 3260 if ($pingTest.TcpTestSucceeded) { $sourceNic = Get-NetIPConfiguration | Where-Object {$_.IPv4Address.IPAddress -eq $pingTest.SourceAddress.IPAddress} } else { $return = "Could not reach the Cnode on any available interface. Please check that the correct CNode IP was supplied and that any required routes are configured." return $return | Write-Error } # generate chap user and secret if ($chapCredentials) { $chapUser = $chapCredentials.UserName $chapSecret = $chapCredentials.GetNetworkCredential().Password Write-Verbose " -chapCredentials specified --- connecting using chap authentication" $cmd = "--> Set-IscsiChapSecret -ChapSecret " + $chapSecret $cmd | Write-Verbose Set-IscsiChapSecret -ChapSecret $chapSecret } # Use the decided upon interface to connect $v = "Determined interface " + $sourceNic.InterfaceAlias + " as prefered source." $iSCSIData1 = Get-NetIPAddress -InterfaceAlias $sourceNic.InterfaceAlias -AddressFamily ipv4 if ($chapCredentials) { $cmd = "--> New-IscsiTargetPortal -TargetPortalAddress " + $cnodeIP.IPAddressToString + " -TargetPortalPortNumber 3260 -InitiatorPortalAddress " + $iSCSIData1.IPAddress + ' -ChapUserName ' + $chapUser + " -ChapSecret " + $chapSecret + ' -AuthenticationType ONEWAYCHAP' $cmd | Write-Verbose try { New-IscsiTargetPortal -TargetPortalAddress $cnodeIP.IPAddressToString -TargetPortalPortNumber 3260 -InitiatorPortalAddress $iSCSIData1.IPAddress -ChapUserName $chapUser -ChapSecret $chapSecret -AuthenticationType ONEWAYCHAP | Out-Null } catch { Write-Verbose "-- Connect-IscsiTargetPortal failed -- Verify chap username and secret" $error[0] break } } else { $cmd = "--> New-IscsiTargetPortal -TargetPortalAddress " + $cnodeIP.IPAddressToString + " -TargetPortalPortNumber 3260 -InitiatorPortalAddress " + $iSCSIData1.IPAddress $cmd | Write-Verbose New-IscsiTargetPortal -TargetPortalAddress $cnodeIP.IPAddressToString -TargetPortalPortNumber 3260 -InitiatorPortalAddress $iSCSIData1.IPAddress | Out-Null } $SDPIQN = Get-IscsiTarget | Where-Object {$_.NodeAddress -match "kaminario" -or $_.NodeAddress -match "silk"} $session = 0 while ($session -lt $SessionCount) { if ($chapCredentials) { $v = "Connecting session " + $session + " to " + $cnodeIP.IPAddressToString + " via " + $iSCSIData1.IPAddress $v | Write-Verbose $cmd = '--> Connect-IscsiTarget -NodeAddress ' + $SDPIQN.NodeAddress + ' -TargetPortalAddress ' + $cnodeIP.IPAddressToString + ' -TargetPortalPortNumber 3260 -InitiatorPortalAddress ' + $iSCSIData1.IPAddress + ' -IsPersistent $true -IsMultipathEnabled $true' + ' -ChapUserName ' + $chapUser + ' -ChapSecret ' + $chapSecret + ' -AuthenticationType ONEWAYCHAP' $cmd | Write-Verbose Connect-IscsiTarget -NodeAddress $SDPIQN.NodeAddress -TargetPortalAddress $cnodeIP.IPAddressToString -TargetPortalPortNumber 3260 -InitiatorPortalAddress $iSCSIData1.IPAddress -IsPersistent $true -IsMultipathEnabled $true -ChapUsername $chapUser -ChapSecret $chapSecret -AuthenticationType ONEWAYCHAP | Out-Null $session++ } else { $v = "Connecting session " + $session + " to " + $cnodeIP.IPAddressToString + " via " + $iSCSIData1.IPAddress $v | Write-Verbose $cmd = '--> Connect-IscsiTarget -NodeAddress ' + $SDPIQN.NodeAddress + ' -TargetPortalAddress ' + $cnodeIP.IPAddressToString + ' -TargetPortalPortNumber 3260 -InitiatorPortalAddress ' + $iSCSIData1.IPAddress + ' -IsPersistent $true -IsMultipathEnabled $true' $cmd | Write-Verbose Connect-IscsiTarget -NodeAddress $SDPIQN.NodeAddress -TargetPortalAddress $cnodeIP.IPAddressToString -TargetPortalPortNumber 3260 -InitiatorPortalAddress $iSCSIData1.IPAddress -IsPersistent $true -IsMultipathEnabled $true | Out-Null $session++ } } # Return Get-SilkSessions $return = Get-SilkSessions if ($rebalance) { $sessions = $total.'Configured Sessions' $cnodes = $total.CNodes $cnodes++ $sessionsPer = Get-SilkSessionsPer -nodes $cnodes -sessions $sessions $v = "Set-SilkSessionBalance -sessionsPer " + $sessionsPer $v | Write-Verbose Set-SilkSessionBalance -sessionsPer $sessionsPer $return = Get-SilkSessions } return $return | Format-Table } |