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Interact with mittwald mStudio API

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Overview

This node operation validates the credentials for a specified container registry within the mittwald mStudio API. It is useful when you want to confirm that the stored or provided credentials for accessing a container registry are correct and authorized before performing further container-related operations such as image pulls, pushes, or deployments.

Practical examples include:

  • Verifying registry credentials after initial setup or credential rotation.
  • Ensuring automated workflows only proceed if registry access is confirmed.
  • Troubleshooting authentication issues with container registries in CI/CD pipelines.

Properties

Name Meaning
Registry Id The unique identifier of the container registry whose credentials you want to validate. This is a required string input.

Output

The node outputs JSON data representing the result of the credential validation request. Typically, this will include status information indicating whether the credentials are valid or not, and may contain error messages or codes if validation fails.

If the node supports binary data output (not evident from the provided code), it would relate to any files or tokens returned by the API, but based on the static analysis, the output is JSON-only.

Dependencies

  • Requires an API key credential for the mittwald mStudio API.
  • The node uses the mittwald mStudio API endpoint at https://api.mittwald.de.
  • The node depends on the @devlikeapro/n8n-openapi-node package for building properties and handling OpenAPI specifications.
  • Proper configuration of the API authentication token/credential in n8n is necessary.

Troubleshooting

  • Invalid Credentials Error: If the validation fails, ensure the Registry Id is correct and the API key credential has sufficient permissions.
  • Network or API Errors: Check network connectivity and API availability at https://api.mittwald.de.
  • Missing Required Property: The "Registry Id" must be provided; otherwise, the node will not execute properly.
  • Credential Misconfiguration: Verify that the API key credential is correctly set up in n8n and linked to this node.

Links and References

Discussion