61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package terraform
|
|
|
|
import (
|
|
"log"
|
|
|
|
"github.com/hashicorp/terraform/addrs"
|
|
"github.com/hashicorp/terraform/configs"
|
|
"github.com/hashicorp/terraform/states"
|
|
)
|
|
|
|
// OrphanOutputTransformer finds the outputs that aren't present
|
|
// in the given config that are in the state and adds them to the graph
|
|
// for deletion.
|
|
type OrphanOutputTransformer struct {
|
|
Config *configs.Config // Root of config tree
|
|
State *states.State // State is the root state
|
|
}
|
|
|
|
func (t *OrphanOutputTransformer) Transform(g *Graph) error {
|
|
if t.State == nil {
|
|
log.Printf("[DEBUG] No state, no orphan outputs")
|
|
return nil
|
|
}
|
|
|
|
for _, ms := range t.State.Modules {
|
|
if err := t.transform(g, ms); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (t *OrphanOutputTransformer) transform(g *Graph, ms *states.Module) error {
|
|
if ms == nil {
|
|
return nil
|
|
}
|
|
|
|
moduleAddr := ms.Addr
|
|
|
|
// Get the config for this path, which is nil if the entire module has been
|
|
// removed.
|
|
var outputs map[string]*configs.Output
|
|
if c := t.Config.DescendentForInstance(moduleAddr); c != nil {
|
|
outputs = c.Module.Outputs
|
|
}
|
|
|
|
// An output is "orphaned" if it's present in the state but not declared
|
|
// in the configuration.
|
|
for name := range ms.OutputValues {
|
|
if _, exists := outputs[name]; exists {
|
|
continue
|
|
}
|
|
|
|
g.Add(&NodeOutputOrphan{
|
|
Addr: addrs.OutputValue{Name: name}.Absolute(moduleAddr),
|
|
})
|
|
}
|
|
|
|
return nil
|
|
}
|