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Using Remote State

Fogg manages remote state data sources for all workspaces in a repository.

Given the following fogg.yml snippet, the webserver workspace can refer to outputs of the database and main_accounts workspace (see the fogg docs homepage for more detail on these relationships)


accounts:
  main_account: {}
envs:
  development:
    components:
      webserver: {}
      database: {}

Often enough, our web service is dependent on some values from our database service!

If the database workspace defines some useful outputs in outputs.tf:

output database_uri {
  value = aws_rds_cluster.db.endpoint
}

Terraform code in the webserver workspace can refer to it and use it directly in resource definitions or module invocations:

module my_web_service {
  source       = "../../../modules/webserver"
  database_uri = data.terraform_remote_state.database.outputs.database_uri
}