Variables

Variables used in expressions have a scope and an identifier. The scope defines the source of the variable, and the identifier is the name of the variable within that scope.

Terrabuild supports the following variable scopes:

• terrabuild contains predefined values supplied by Terrabuild.
• var contains workspace variables declared in WORKSPACE.
• local contains values declared in WORKSPACE or PROJECT.
• project contains project properties from the project block.

Here are some variable reference examples:

• terrabuild.branch_or_tag - Access the current Git branch or tag
• var.config - Access a workspace variable named config
• local.config - Access a local value named config
• project.api.version - Access the version hash of the project identified as api