blob: 214bc3ff10ece29a408e8d0c16287e50eb7b3270 [file] [log] [blame]
package terraform
import (
"log"
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/configs"
)
// OutputTransformer is a GraphTransformer that adds all the outputs
// in the configuration to the graph.
//
// This is done for the apply graph builder even if dependent nodes
// aren't changing since there is no downside: the state will be available
// even if the dependent items aren't changing.
type OutputTransformer struct {
Config *configs.Config
// Refresh-only mode means that any failing output preconditions are
// reported as warnings rather than errors
RefreshOnly bool
// Planning must be set to true only when we're building a planning graph.
// It must be set to false whenever we're building an apply graph.
Planning bool
// If this is a planned destroy, root outputs are still in the configuration
// so we need to record that we wish to remove them
PlanDestroy bool
// ApplyDestroy indicates that this is being added to an apply graph, which
// is the result of a destroy plan.
ApplyDestroy bool
}
func (t *OutputTransformer) Transform(g *Graph) error {
return t.transform(g, t.Config)
}
func (t *OutputTransformer) transform(g *Graph, c *configs.Config) error {
// If we have no config then there can be no outputs.
if c == nil {
return nil
}
// Transform all the children. We must do this first because
// we can reference module outputs and they must show up in the
// reference map.
for _, cc := range c.Children {
if err := t.transform(g, cc); err != nil {
return err
}
}
for _, o := range c.Module.Outputs {
addr := addrs.OutputValue{Name: o.Name}
node := &nodeExpandOutput{
Addr: addr,
Module: c.Path,
Config: o,
PlanDestroy: t.PlanDestroy,
ApplyDestroy: t.ApplyDestroy,
RefreshOnly: t.RefreshOnly,
Planning: t.Planning,
}
log.Printf("[TRACE] OutputTransformer: adding %s as %T", o.Name, node)
g.Add(node)
}
return nil
}