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To use the SSH keys to connect to MettleCI Workbench with your Github service you'll need to provide it GitHub with your public key.

Note

When you install MettleCI Workbench (v1450 or earlier) it generates  a workbench.key / workbench.key.pub key pair using an RSA encryption algorithm.

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GitHub​

Visit the GitHub SSH key settings to add a new key:

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You can also autofill deploy keys.

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  This was fine up until 15th March 2022 when GitHub unexpectedly stopped accepting RSA and DSA keys. 

MettleCI Workbench v1451 or later generates GitHub-compliant ECDSA keys by default
MettleCI Workbench v1664 or later generates GitHub-compliant and Azure-compliant RSA SHA256 keys by default

If you wish to integrate MettleCI with GitHub you should do the following…

  • Delete (or backup, if they’re being used for anything) the existing workbench.key / workbench.key.pub key pair generate during Workbench setup.

  • Generate a new RSA SHA256 key pair using the command ssh-keygen -t rsa-sha2-256 -b 2048 -f workbench.key

  • Ensure the sshKey: "/opt/dm/mci/workbench.key" entry in the gitAuthentication: section of your config.yml file is pointing to the newly-generated private key file.

  • Register the public key file workbench.key.pubin GitHub (see steps below). 

  • You can use the same key for accessing the DataStage and Compliance repositories so register that public key with each of those repositories. 

  • When registering the key with the Compliance repository the Engine does not require write access so feel free to leave that option deselected.

  • Restart the Workbench service and test GitHub access by running Compliance and a Check-in from Workbench.Process

  1. Select the repository to which you wish to add your SSH and click the Settings option.

  2. From the left-hand navigation pane select Deploy keys.

  3. In the top right select Add deploy key.

  4. Give the key a descriptive Title (including a reference to the related DataStage Engine host and its use for MettleCI Workbench might be a good idea)

  5. On the DataStage Engine where Workbench is installed cat

    Status
    colourYellow
    titleunix
    or type
    Status
    colourBlue
    titleWINDOWS
    your public key file (typically workbench.key.pub) and copy it to your clipboard (⌘-C/Ctrl-C).

  6. Paste the contents of the public key into the Key field.

  7. If this is a repository to which Workbench should be able to write (e.g. a repository to which it will commit DataStage assets) then check the Allow write access option.

  8. Click Add key.

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