I am testing out the new Projects and Workers features. I am trying to get my worker to pull the code from bitbucket like this (see image). But I get this error:

Cloning into 'data_infrastructure'...
error: cannot run ssh: No such file or directory
fatal: unable to fork
14:29:52.302 | ERROR   | Flow run 'therapeutic-mackerel' - Flow could not be retrieved from deployment.
Traceback (most recent call last):

It would be great if you could add more examples on how templating with blocks work and especially with access tokens.

It looks like you’re using an SSH URL for cloning, which I think doesn’t work with an access token. I think it will work if you use an HTTPS URL which should be something like this:

<https://bitbucket.org/my_company/data_infrastructure.git>

. I think you’ll also need to make sure your access token is in the format

x-token-auth:{your_token}

Thanks alex, you got me closer to the answer! Now I get this error:

ValueError: Invalid template: 'x-token-auth:{{ prefect.blocks.secret.annotaion-pipeline-credentials }}'.

How should I read the token from my blocks? I also tried to configure it with a bitbucket secret's block but couldn't figure out how to reference it in the config.

I’d recommend keeping the format in the screenshot above:

access_token: "{{ prefect.blocks.secret.annotaion-pipeline-credentials }}"

Block values aren’t currently able to be interpolated into a string, so the value stored in the block should be

x-token-auth:{your_token}

Makes sense. Thanks 👍