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@mtift mtift commented Oct 10, 2025

Closes #969

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Summary of Changes

Hello @mtift, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the reliability and user experience of the pantheon:fetch-db task. By introducing comprehensive checks for required environment variables and robust error handling for both authentication and database fetching steps, it ensures that users receive immediate and actionable feedback on common issues like missing tokens, expired credentials, or incorrect site IDs. The changes aim to make the task more resilient to failures and easier to debug for developers.

Highlights

  • Improved Environment Variable Checks: Added explicit checks for the presence of PANTHEON_TOKEN and PANTHEON_SITE_ID environment variables before proceeding with Pantheon operations, providing clearer error messages if they are missing.
  • Enhanced Authentication Error Handling: Implemented robust error handling for terminus auth:login, which now explicitly checks for authentication failures (e.g., expired or incorrect tokens) and provides a specific error message, improving user guidance.
  • Refined Database Fetch Error Handling: The terminus backup:get command now includes error handling to catch database fetch failures, offering a more informative message about potential issues with PANTHEON_SITE_ID or token permissions.
  • Improved User Feedback and Output: Added clearer status messages with '⚡' and '✅' prefixes for progress and success, and '❌' for errors. Output from terminus auth:login is now silenced, and only error output from terminus backup:get is silenced to maintain progress bar visibility.
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Code Review

This pull request significantly improves the pantheon:fetch-db task by adding checks for required variables and enhancing error handling for terminus commands. These changes make the task more robust and provide a better user experience. I have provided a couple of suggestions to further improve the error handling by allowing terminus's own error messages to be displayed, which could offer more specific diagnostic information to the user when something goes wrong. Overall, this is a valuable enhancement.


# Authenticate with failure check, silencing the original Terminus output
- echo "⚡ Authorising with Pantheon..."
- terminus auth:login --machine-token="${PANTHEON_TOKEN}" >/dev/null 2>&1 || { echo "❌ Authentication failed. Your PANTHEON_TOKEN value is likely incorrect or expired. Please verify it in your .env file."; exit 1; }
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medium

By redirecting both stdout and stderr to /dev/null, you might be hiding valuable error information from terminus. If authentication fails, terminus could print a specific reason to stderr (e.g., 'invalid token', 'expired token'). It would be beneficial to let this message be displayed to the user for easier debugging. Consider only redirecting stdout to keep the success output clean, but allow stderr to pass through in case of an error.

      - terminus auth:login --machine-token="${PANTHEON_TOKEN}" >/dev/null || { echo "❌ Authentication failed. Your PANTHEON_TOKEN value is likely incorrect or expired. Please verify it in your .env file."; exit 1; }

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I am curious what the normal output is.


# Fetch database with failure check, silencing only the error output to preserve the progress bar
- echo "⚡ Fetching database from Pantheon..."
- terminus backup:get {{.PANTHEON_SITE_ID}}.$ENVIRONMENT --element=db --to=$DB_DIR/db.sql.gz 2>/dev/null || { echo "❌ Database fetch failed. Please check your PANTHEON_SITE_ID and ensure the token has permission for this site."; exit 1; }
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medium

Similar to the authentication step, redirecting stderr to /dev/null prevents the user from seeing specific error messages from terminus if the backup fetch fails. The custom error message is helpful, but the original error could provide more context (e.g., 'backup not found', 'environment does not exist'). I recommend removing the stderr redirection to improve diagnostics. While the comment mentions preserving the progress bar, this is often handled on stdout or terminus may be smart about TTY detection.

      - terminus backup:get {{.PANTHEON_SITE_ID}}.$ENVIRONMENT --element=db --to=$DB_DIR/db.sql.gz || { echo "❌ Database fetch failed. Please check your PANTHEON_SITE_ID and ensure the token has permission for this site."; exit 1; }

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Should we move authentication to a separate task we call first? That way, we don't have to duplicate the authentication workflow in multiple tasks.

Comment on lines +12 to +13
- if [ -z "$PANTHEON_TOKEN" ]; then echo "❌ PANTHEON_TOKEN is not set. Please add it to your .env file."; exit 1; fi
- if [ -z "{{.PANTHEON_SITE_ID}}" ]; then echo "❌ PANTHEON_SITE_ID is not set. Please add it to your .env file."; exit 1; fi
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Since pantheon tokens are not scoped (ie one I generate for myself can access every site I have access to in the dashboard), I think it's our recommendation to put them in the global ddev settings?

- if [ -z "{{.PANTHEON_SITE_ID}}" ]; then echo "❌ PANTHEON_SITE_ID is not set. Please add it to your .env file."; exit 1; fi

# Authenticate with failure check, silencing the original Terminus output
- echo "⚡ Authorising with Pantheon..."
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Suggested change
- echo "⚡ Authorising with Pantheon..."
- echo "⚡ Authorizing with Pantheon..."


# Authenticate with failure check, silencing the original Terminus output
- echo "⚡ Authorising with Pantheon..."
- terminus auth:login --machine-token="${PANTHEON_TOKEN}" >/dev/null 2>&1 || { echo "❌ Authentication failed. Your PANTHEON_TOKEN value is likely incorrect or expired. Please verify it in your .env file."; exit 1; }
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I am curious what the normal output is.

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Add additional checks in pantheon:fetch-db for expired tokens

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