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Managing server on windows 10 is failing when .\main.ps1 -resource 'KUBERNETES'

  • 19 October 2021
  • 4 replies
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  • Alex
  • Do Gooder (Employee)
  • 12 replies

Has anyone tried to use Windows 10 as a base for the cloud installation?

While .\main.ps1 -resource 'KEY' finishes successfully,  'KUBERNETES' fails. The error message seems related to ...\.ssh\id_rsa file:

…

Exception Occured While Opening Connection with the Linux Box.
2021-10-18 20:23:27.46   IFSCLIENT-88992 Stop Open-ConnectionsWithLinuxBox
C:\Temp\Cloud\ifsroot\main.ps1 : Error found in openssh key type: ssh-rsa is not supported. Please check logs for
details.
At line:1 char:1
+ .\main.ps1 -resource 'KUBERNETES'
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,main.ps1

>>> Finalize Script Execution <«

…

…

There is nothing interesting in the ...\logs\main-script. Linux installation from OVA sits in my Oracle VM VirtualBox. I have already successfully installed database and middleware using the same ifsroot folder structure, however that was done from Windows 2019. Why on Windows 10 it is different?

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Best answer by Charith Epitawatta 19 October 2021, 20:00

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Charith Epitawatta
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Hi @Alex,

Please try this.

  1. Navigate to \\ifsremote\ifsroot\utils directory and find “local.psm1” file. 
  2. Take a backup of this file in case you need to restore it. Then open the file to edit.
  3. Scroll down to the function Add-KeybasedAuthWithLinuxBox
  4. Find following line(line #54) where it generates the SSH Key pair

        ssh-keygen -b 2048 -t rsa -f "$prvKeyFile" -q -N """"

  1. Change it like below by adding -m PEM option.

ssh-keygen -b 2048 -t rsa -m PEM -f "$prvKeyFile" -q -N """"

  1. Save the file and run the KEY and KUBERNETES steps again and see if you still get the error.

Hope this helps!

 

Charith - https://charith.xyz
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This worked like a dream. I wonder what impact would that have if I run it on Windows 2019 server? Would that format work too?

Charith Epitawatta
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Hi @Alex,

Glad to know it worked!

This worked like a dream. I wonder what impact would that have if I run it on Windows 2019 server? Would that format work too?

All -m PEM option does is convert it to a different format, so I don’t think it would break on Windows server 2019. 

In the same local.psm1 file, I was able to find below snippet, commented out as “Helper Bash Commands”. 

As you can see, the -m PEM option is there. This looks to be a bug in Posh SSH module, which seems to be used in IFS Cloud Power Shell scripts:

https://github.com/darkoperator/Posh-SSH/issues/388

It might be a good idea to report this to R&D. 

Charith - https://charith.xyz
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Worked for me, thanks!

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