79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
package terraform
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
|
|
"github.com/hashicorp/terraform/config"
|
|
"github.com/hashicorp/terraform/config/module"
|
|
)
|
|
|
|
// GraphNodeAttachResourceConfig is an interface that must be implemented by nodes
|
|
// that want resource configurations attached.
|
|
type GraphNodeAttachResourceConfig interface {
|
|
// ResourceAddr is the address to the resource
|
|
ResourceAddr() *ResourceAddress
|
|
|
|
// Sets the configuration
|
|
AttachResourceConfig(*config.Resource)
|
|
}
|
|
|
|
// AttachResourceConfigTransformer goes through the graph and attaches
|
|
// resource configuration structures to nodes that implement the interfaces
|
|
// above.
|
|
//
|
|
// The attached configuration structures are directly from the configuration.
|
|
// If they're going to be modified, a copy should be made.
|
|
type AttachResourceConfigTransformer struct {
|
|
Module *module.Tree // Module is the root module for the config
|
|
}
|
|
|
|
func (t *AttachResourceConfigTransformer) Transform(g *Graph) error {
|
|
log.Printf("[TRACE] AttachResourceConfigTransformer: Beginning...")
|
|
|
|
// Go through and find GraphNodeAttachResource
|
|
for _, v := range g.Vertices() {
|
|
// Only care about GraphNodeAttachResource implementations
|
|
arn, ok := v.(GraphNodeAttachResourceConfig)
|
|
if !ok {
|
|
continue
|
|
}
|
|
|
|
// Determine what we're looking for
|
|
addr := arn.ResourceAddr()
|
|
log.Printf(
|
|
"[TRACE] AttachResourceConfigTransformer: Attach resource "+
|
|
"config request: %s", addr)
|
|
|
|
// Get the configuration.
|
|
path := normalizeModulePath(addr.Path)
|
|
path = path[1:]
|
|
tree := t.Module.Child(path)
|
|
if tree == nil {
|
|
continue
|
|
}
|
|
|
|
// Go through the resource configs to find the matching config
|
|
for _, r := range tree.Config().Resources {
|
|
// Get a resource address so we can compare
|
|
a, err := parseResourceAddressConfig(r)
|
|
if err != nil {
|
|
panic(fmt.Sprintf(
|
|
"Error parsing config address, this is a bug: %#v", r))
|
|
}
|
|
a.Path = addr.Path
|
|
|
|
// If this is not the same resource, then continue
|
|
if !a.Equals(addr) {
|
|
continue
|
|
}
|
|
|
|
log.Printf("[TRACE] Attaching resource config: %#v", r)
|
|
arn.AttachResourceConfig(r)
|
|
break
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|