TorizonCore-Builder results in error during parse

Technical Support
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8

Variable Substitution Issue

The error shows that TorizonCore Builder is not recognizing your environment variables. The message “Variable DOCKER_USERNAME is not set: assuming an empty string” indicates the variable substitution isn’t working properly (1).

Solutions

Option 1: Use --set Command Line Parameters

Instead of environment variables, use the --set parameter to pass variables (1):

torizoncore-builder build --set DOCKER_USERNAME=my-username --set DOCKER_PASSWORD=my-password

(1)

Option 2: Fix Variable Substitution Format

Ensure your tcbuild.yaml uses the correct variable substitution format (1):

output:
  easy-installer:
    local: custom-torizon-docker-colibri-imx7-snmptoserial
    bundle:
      compose-file: docker-compose.yml
      username: "${DOCKER_USERNAME}"
      password: "${DOCKER_PASSWORD}"

(1)

Option 3: Use the Bundle Command Separately

Based on the community discussion, you can use the separate bundle command with authentication (2):

torizoncore-builder bundle --platform=linux/arm/v7 docker-compose.yml --bundle-directory bundle --login my-username my-password

(3)

Then modify your tcbuild.yaml to reference the pre-bundled directory (3):

output:
  easy-installer:
    local: custom-torizon-docker-colibri-imx7-snmptoserial
    bundle:
      dir: bundle/

(3)

Key Points

  • Platform Specification: For i.MX7D modules, use --platform=linux/arm/v7 (3)
  • Authentication: Private Docker images require proper authentication credentials (3)
  • Variable Format: Use ${VAR} format for variable substitution (1)
  • Command Line Variables: The --set parameter is more reliable than environment variables (1)

The separate bundle approach (Option 3) is often more reliable when dealing with authentication issues, as it handles the Docker registry login separately from the image building process (3).

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