Automating Image Creation with HashiCorp Packer for DevOps - Declaring Packer Variables

The video tutorial explains how to declare and define variables in Packer, including using default files and command line options. It covers variable types such as string, number, list, and map, and discusses type constraints and inference. The tutorial also addresses handling sensitive variables by marking them as sensitive to obfuscate their values in outputs.

Where can variables be declared in Packer?

• Only via the command line

• Only in the default KR file

• Only in PKRVARS.HCO file

• In any file as long as the correct file name is pointed to

What happens if you try to assign a string to a boolean variable in Packer?

• Packer will assign a default value

• Packer will throw an error and the build will fail

• Packer will ignore the assignment

• Packer will automatically convert the string to boolean

Which of the following is NOT a common variable type in Packer?

• List

• Number

• String

• Character

If a variable type is not specified, what does Packer use to infer the type?

• The file name

• The first assigned value

• The default value

• The variable name

What is the default variable type if neither type nor default is provided in Packer?

• Boolean

• Number

• List

• String

How can you prevent a variable's value from being displayed in Packer's output?

• By marking it as hidden

• By marking it as sensitive

• By using a special character

• By declaring it in a separate file

What happens to a sensitive variable in Packer's output?

• It is displayed in a separate log file

• It is displayed with a warning

• It is displayed as asterisks

• It is not displayed at all