config: move things out into more files

config/import_tree.go

@@ -0,0 +1,75 @@
+package config
+
+import (
+	"fmt"
+)
+
+// configurable is an interface that must be implemented by any configuration
+// formats of Terraform in order to return a *Config.
+type configurable interface {
+	Config() (*Config, error)
+}
+
+// importTree is the result of the first-pass load of the configuration
+// files. It is a tree of raw configurables and then any children (their
+// imports).
+//
+// An importTree can be turned into a configTree.
+type importTree struct {
+	Path     string
+	Raw      configurable
+	Children []*importTree
+}
+
+// This is the function type that must be implemented by the configuration
+// file loader to turn a single file into a configurable and any additional
+// imports.
+type fileLoaderFunc func(path string) (configurable, []string, error)
+
+// loadTree takes a single file and loads the entire importTree for that
+// file. This function detects what kind of configuration file it is an
+// executes the proper fileLoaderFunc.
+func loadTree(root string) (*importTree, error) {
+	c, imps, err := loadFileLibucl(root)
+	if err != nil {
+		return nil, err
+	}
+
+	children := make([]*importTree, len(imps))
+	for i, imp := range imps {
+		t, err := loadTree(imp)
+		if err != nil {
+			return nil, err
+		}
+
+		children[i] = t
+	}
+
+	return &importTree{
+		Path:     root,
+		Raw:      c,
+		Children: children,
+	}, nil
+}
+
+// ConfigTree traverses the importTree and turns each node into a *Config
+// object, ultimately returning a *configTree.
+func (t *importTree) ConfigTree() (*configTree, error) {
+	config, err := t.Raw.Config()
+	if err != nil {
+		return nil, fmt.Errorf(
+			"Error loading %s: %s",
+			t.Path,
+			err)
+	}
+
+	// Build our result
+	result := &configTree{
+		Path:   t.Path,
+		Config: config,
+	}
+
+	// TODO: Follow children and load them
+
+	return result, nil
+}

config/loader.go

@@ -1,9 +1,5 @@
 package config
 
-import (
-	"fmt"
-)
-
 // Load loads the Terraform configuration from a given file.
 //
 // This file can be any format that Terraform recognizes, and import any
@@ -21,73 +17,3 @@ func Load(path string) (*Config, error) {
 
 	return configTree.Flatten()
 }
-
-// configurable is an interface that must be implemented by any configuration
-// formats of Terraform in order to return a *Config.
-type configurable interface {
-	Config() (*Config, error)
-}
-
-// importTree is the result of the first-pass load of the configuration
-// files. It is a tree of raw configurables and then any children (their
-// imports).
-//
-// An importTree can be turned into a configTree.
-type importTree struct {
-	Path     string
-	Raw      configurable
-	Children []*importTree
-}
-
-// This is the function type that must be implemented by the configuration
-// file loader to turn a single file into a configurable and any additional
-// imports.
-type fileLoaderFunc func(path string) (configurable, []string, error)
-
-// loadTree takes a single file and loads the entire importTree for that
-// file. This function detects what kind of configuration file it is an
-// executes the proper fileLoaderFunc.
-func loadTree(root string) (*importTree, error) {
-	c, imps, err := loadFileLibucl(root)
-	if err != nil {
-		return nil, err
-	}
-
-	children := make([]*importTree, len(imps))
-	for i, imp := range imps {
-		t, err := loadTree(imp)
-		if err != nil {
-			return nil, err
-		}
-
-		children[i] = t
-	}
-
-	return &importTree{
-		Path:     root,
-		Raw:      c,
-		Children: children,
-	}, nil
-}
-
-// ConfigTree traverses the importTree and turns each node into a *Config
-// object, ultimately returning a *configTree.
-func (t *importTree) ConfigTree() (*configTree, error) {
-	config, err := t.Raw.Config()
-	if err != nil {
-		return nil, fmt.Errorf(
-			"Error loading %s: %s",
-			t.Path,
-			err)
-	}
-
-	// Build our result
-	result := &configTree{
-		Path:   t.Path,
-		Config: config,
-	}
-
-	// TODO: Follow children and load them
-
-	return result, nil
-}