Terraform - Providers
Can expressions be used for values in arguments?
Yes.
Is the version meta-argument deprecated?
Yes.
What is a provider in Terraform?
A provider allows Terraform to interact with its respective APIs.
What does each provider add?
A set of resource types and/or data sources.
What are the two meta-arguments?
Alias and version.
What is a Dependency Lock File?
An additional HCL file that specifies specific provider versions.
What is an exception to the rule that exported attributes cannot be used as input variables?
Arguments specified directly in the configuration.
How can a configuration alias be declared within a module?
By adding the `configuration_aliases` argument to the provider's `required_providers` entry.
How can the plugin cache be enabled?
By using the `plugin_cache_dir` setting in the CLI configuration file.
What is the purpose of the `required_providers` block?
Declares providers for Terraform to install.
What does the `Configuration` section in the notes refer to?
Explains how to configure provider settings.
What are some tasks that local utilities of providers can perform?
Generating random numbers or IDs.
Where are alias references valid?
In specific meta-arguments of resource, data, and module blocks.
Where do provider blocks belong?
In the `root` module.
Why is the `required_providers` block important in Terraform 0.13 and newer?
It ensures that the required providers are installed.
Are alias references strings?
No.
Are exported attributes from resources acceptable as input variables?
No.
Can alias references be used in arbitrary expressions?
No.
When is the version meta-argument used?
Only if `required_providers` does not include one for that provider.
Who should define provider configurations in most cases?
Root modules.
Why do all configurations require declaring providers?
So that Terraform knows how to use them.
What is the default configuration for a provider block without an alias argument?
The default configuration.
Where should children obtain their provider configurations from?
Their parents.
What is the purpose of the alias meta-argument?
To configure the same provider with different configurations per resource.
What is the primary reason for using alias?
To support multiple regions.
What is the recommended alternative to using the version meta-argument?
Using provider requirements.
