xcat-core/xCAT-server/share/xcat/netboot/windows/xCAT.psm1

245 lines
9.1 KiB
PowerShell

# IBM(c) 2013 EPL license http://www.eclipse.org/legal/epl-v10.html
# This function specifically validates that the peer we are talking to is signed by the xCAT blessed CA and no other CA
Function VerifyxCATCert ($sender, $cert, $chain, $polerrs) {
if ($polerrs -ne "None" -and $polerrs -ne "RemoteCertificateChainErrors") { return $false } #if the overall policy suggests rejection, go with it
#why do we tolerate RemoteCertificateChainErrors? Because we are going to check specifically for the CA configured for this xCAT installation
#we chose not to add xCAT's CA to the root store, as that implies the OS should trust xCAT's CA for non-xCAT related things. That is madness.
#Of course, that's the madness typical with x509, but we need not propogate the badness...
#we are measuring something more specific than 'did any old CA sign this', we specifically want to assue the signer CA is xCAT's
foreach ($cert in $chain.chainElements) {
if ($script:xcatcacert.thumbprint.Equals($cert.Certificate.thumbprint)) {
return $true
}
}
return $false
}
#we import the xCAT certificate authority into the appropriate scope.
#It's not trusted by system policy, but our overidden verify function will find it. Too bad MS doesn't allow us custom store names under the user
#repository for whatever reason. We'll just 'import' it every session from file, which is harmless to do multiple times
#this isn't quite as innocuous as the openssl mechanisms to do this sort of thing, but it's as close as I could figure to get
Function Import-xCATCA ( $certpath ) {
$script:xcatcacert=Import-Certificate -FilePath $certpath -CertStoreLocation Cert:\CurrentUser\My
}
#this removes the xCAT CA from trust store, if user wishes to explicitly remove xCAT key post deploy
#A good idea for appliances that want to not show weird stuff. The consequences of not calling it are harmless: a useless extra public cert
#in admin's x509 cert store
Function Remove-xCATCA ( $certpath ) {
Import-xCATCA($certpath) #this seems insane, but it's easiest way to make sure we have the correct path
rm $script:xcatcacert.PSPath
}
#specify a client certificate to use in pfx format
Function Set-xCATClientCertificate ( $pfxPath ) {
$script:xcatclientcert=Import-pfxCertificate $pfxPath -certStoreLocation cert:\currentuser\my
}
Function Remove-xCATClientCertificate( $pfxPath ) {
Set-xCATClientCertificate($pfxpath)
rm cert:\currentuser\my\$script:xcatclientcert.thumbprint
}
#key here is that we might have two certificates:
#-one intended to identify the system that was deployed by xcat
#-one intended to identify the user to do things like 'rpower'
#however, user will just have to control it by calling Set-xCATClientCertificate on the file for now
#TODO: if user wants password protected PFX file, we probably would want to import it once and retain thumb across sessions...
Function Select-xCATClientCert ($sender, $targetHost, $localCertificates, $remoteCertificate,$acceptableIssuers) {
$script:xcatclientcert
}
Function Connect-xCAT {
Param(
$mgtServer=$xcathost,
$mgtServerPort=3001,
$mgtServerAltName=$mgtServer
)
$script:xcatconnection = New-Object Net.Sockets.TcpClient($mgtServer,$mgtServerPort)
$verifycallback = Get-Content Function:\VerifyxCATCert
$certselect = Get-Content Function:\Select-xCATClientCert
$script:xcatstream = $script:xcatconnection.GetStream()
$script:securexCATStream = New-Object System.Net.Security.SSLStream($script:xcatstream,$false,$verifycallback,$certselect)
$script:securexCATStream.AuthenticateAsClient($mgtServerAltName)
$script:xcatwriter = New-Object System.IO.StreamWriter($script:securexCATStream)
$script:xcatreader = New-Object System.IO.StreamReader($script:securexCATStream)
}
Function Get-NodeInventory {
Param(
[parameter(ValueFromPipeLine=$true)] $nodeRange,
[parameter(ValueFromRemainingArguments=$true)] $inventoryType
)
$pipednr=@($input)
if ($pipednr) { $nodeRange = $pipednr }
$xcatrequest=@{'command'='rinv';'noderange'=$nodeRange;'args'=@($inventoryType)}
Send-xCATCommand($xcatrequest)
}
Function Get-NodeBeacon {
Param(
[parameter(ValueFromPipeLine=$true)] $nodeRange
)
$pipednr=@($input)
if ($pipednr) { $nodeRange = $pipednr }
$xcatrequest=@{'command'='rbeacon';'noderange'=$nodeRange;'args'=@('stat')}
Send-xCATCommand($xcatrequest)
}
Function Set-NodeBeacon {
Param(
[parameter(ValueFromPipeLine=$true)] $nodeRange,
$newBeaconState
)
$pipednr=@($input)
if ($pipednr) { $nodeRange = $pipednr }
$xcatrequest=@{'command'='rbeacon';'noderange'=$nodeRange;'args'=@($newBeaconState)}
Send-xCATCommand($xcatrequest)
}
Function Get-NodePower {
Param(
[parameter(Position=0,ValueFromPipeLine=$true)] $nodeRange
)
$pipednr=@($input)
if ($pipednr) { $nodeRange = $pipednr }
$xcatrequest=@{'command'='rpower';'noderange'=$nodeRange;'args'=@('stat')}
Send-xCATCommand($xcatrequest)
}
Function Merge-xCATData { #xcoll attempt
$groupeddata=$input|Group-Object -Property "node"
foreach ($nodedata in $groupeddata) {
New-MergedxCATData $nodedata.Group
}
}
Function Set-NodePower {
Param(
[parameter(ValueFromPipeLine=$true)] $nodeRange,
[parameter(HelpMessage="The power action to perform (on/off/boot/reset)")] $powerState="stat"
)
$pipednr=@($input)
if ($pipednr) { $nodeRange = $pipednr }
$xcatrequest=@{'command'='rpower';'noderange'=$nodeRange;'args'=@($powerState)}
Send-xCATCommand($xcatrequest)
}
Function Get-Nodes {
Param(
[parameter(Position=0,ValueFromPipeLine=$true)] $nodeRange,
[parameter(ValueFromRemainingArguments=$true)] $tableAndColumn
)
$pipednr=@($input)
if ($pipednr) { $nodeRange = $pipednr }
$xcatrequest=@{'command'='nodels';'noderange'=$nodeRange;'args'=@($tableAndColumn)}
Send-xCATCommand($xcatrequest)
}
Function Get-NodeVitals {
Param(
[parameter(Position=0,ValueFromPipeLine=$true)] $nodeRange,
[parameter(ValueFromRemainingArguments=$true)] $vitalTypes="all"
)
$pipednr=@($input)
if ($pipednr) { $nodeRange = $pipednr }
$xcatrequest=@{'command'='rvitals';'noderange'=$nodeRange;'args'=@($vitalTypes)}
Send-xCATCommand($xcatrequest)
}
Function Send-xCATCommand {
Param(
$xcatRequest
)
Connect-xCAT
$requestxml = "<xcatrequest>`n`t<command>"+$xcatRequest.command+"</command>`n"
if ($xcatRequest.noderange) {
if ($xcatRequest.noderange.PSObject.TypeNames[0] -eq "xCATNodeData") {
$xcatRequest.noderange = $xcatRequest.noderange.Node
}
if ($xcatRequest.noderange -is [System.Array]) { #powershell wants to arrayify commas because it can't make up its mind
#whether it's a scripting language or a shell language, try to undo the
#damage
$nrparts=@()
foreach ($nr in $xcatRequest.noderange) {
if ($nr -is [System.String]) {
$nrparts += $nr
} elseif ($nr.PSObject.TypeNames[0] -eq "xCATNodeData") {
$nrparts += $nr.Node
}
}
$xcatRequest.noderange=[string]::Join(",",$nrparts);
}
$requestxml = $requestxml + "`t<noderange>"+$xcatRequest.noderange+"</noderange>`n"
}
foreach ($arg in $xcatRequest.args) {
if ($arg) {
if ($arg -is [System.Array]) {
$arg=[string]::join(",",$arg);
}
$requestxml = $requestxml + "`t<arg>"+$arg+"</arg>`n"
}
}
$requestxml = $requestxml + "</xcatrequest>`n"
$script:xcatwriter.WriteLine($requestxml)
$script:xcatwriter.Flush()
$serverdone=0
while (! $serverdone -and $script:xcatreader) {
$responsexml=""
$lastline=""
while ($lastline -ne $null -and ! $lastline.Contains("</xcatresponse>") -and $script:xcatreader) {
$lastline = $script:xcatreader.ReadLine()
$responsexml = $responsexml + $lastline
}
[xml]$response = $responsexml
foreach ($elem in $response.xcatresponse.node) {
New-xCATDataFromXmlElement $elem -NodeRangeHint $xcatRequest.noderange
}
#$response.xcatresponse.node.name
#$response.xcatresponse.node.data
if ($response.xcatresponse.serverdone -ne $null) { $serverdone=1 }
}
}
Function New-MergedxCATData { #takes an arbitrary number of nodeData objects and spits out one
Param(
$nodeData
)
$myobj = @{}
$myobj.dataObjects=@()
$myobj.NodeRange = $nodeData[0].Node
foreach ($data in $nodeData) {
$rangedata = $data|select-object -ExcludeProperty Node *
$rangedata.PSObject.TypeNames.RemoveAt(0)
$myobj.dataObjects = $myobj.dataObjects + $rangedata
}
$newobj = New-Object -TypeName PSObject -Prop $myobj
$newobj.PSObject.TypeNames.Insert(0,'xCATNodeRangeData')
return $newobj
}
Function New-xCATDataFromXmlElement {
Param(
$xmlElement,
$NodeRangeHint
)
$myprops = @{}
if ($NodeRangeHint) { #hypothetically, 'xcoll' implementation might find this handy
$myprops.NodeRangeHint=$NodeRangeHint
}
if ($xmlElement.name) {
$myprops.Node=$xmlElement.name
}
if ($xmlElement.data.desc) {
$myprops.Description=$xmlElement.data.desc
}
if ($xmlElement.data.contents) {
$myprops.Data=$xmlElement.data.contents
} else {
$myprops.Data=""
}
$myobj=New-Object -TypeName PSObject -Prop $myprops
$myobj.PSObject.TypeNames.Insert(0,'xCATNodeData')
return $myobj
}
New-Alias -name rpower -value Set-NodePower
New-Alias -name rvitals -value Get-Nodevitals
New-Alias -name rinv -value Get-NodeInventory
New-Alias -name rbeacon -value Set-NodeBeacon
New-Alias -name nodels -value Get-Nodes
Export-ModuleMember -function *-* -Alias *