New-SSHSession : Sequence contains more than one element

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
powershell
Domain
cli

Research direction

Start with the supplied Adjust-gslb function and its New-SSHSession call, then inspect how the Posh-SSH command handles the PSCredential created by Get-Credential. Reproduce the reported error with the two NetScaler addresses and compare it with the hardcoded credential case. Done means the credential-passing behavior and the source of the multiple-element error are identified and covered by an appropriate regression check.

Written by the indexing model from the issue text.

Description

I am getting the below error when trying to use get-credential in my script and passing $creds to a function. If I hardcode nsuser and nspass in the script this works fine. Any help is much appreciated

New-SSHSession : Sequence contains more than one element At N:\scripts\Netscaler\Adjust-NS-GSLB\Adjust-NS-GSLB-v3.1.ps1:54 char:2 + New-SSHSession -computername $nsip -Credential $creds -acceptKey ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (Renci.SshNet.SshClient:SshClient) [New-SSHSession], InvalidOperationException + FullyQualifiedErrorId : SSH.NewSshSession

Here is the script that I am using

#---------------------
Function Adjust-gslb {
[Parameter(Mandatory = $true)]
param (
$nsips = [string]$nsips,
$Creds = [string]$Creds,
$ns_cmd = [string]$nsremove
)
$Creds = New-Object System.Management.Automation.PSCredential ($nsuser, $nspass)
Write-Host "Adjust_GSLB Function - Adjusting $ns_cmd" -ForegroundColor cyan
foreach($nsip in $nsips){
Get-SSHSession | Remove-SSHSession | Out-Null
New-SSHSession -computername $nsip -Credential $creds -acceptKey | out-null
$temp2 = (Invoke-SSHCommand -index 0 -command "$ns_cmd")
}
remove-sshsession -index 0 | out-null
}
#----------------------
#Main Script
$nsips = "1962.168.2.52","192.168.54.25"
$nsremove = "bind gslb vserver stuff -servername MyStuff"
$mycred = Get-Credential -UserName $env:username -Message "Enter in your UID and PWD for the NS"
$nsuser = $mycred.username
$nspass = $mycred.password
$Creds = New-Object System.Management.Automation.PSCredential ($nsuser, $nspass)

Adjust-gslb -nsips $nsips -creds $Creds -ns_cmd $nsremove

Dominant language
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