diff options
Diffstat (limited to 'vendor/github.com/hashicorp/terraform/terraform/transform_config_flat.go')
-rw-r--r-- | vendor/github.com/hashicorp/terraform/terraform/transform_config_flat.go | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/terraform/transform_config_flat.go b/vendor/github.com/hashicorp/terraform/terraform/transform_config_flat.go new file mode 100644 index 00000000..92f9888d --- /dev/null +++ b/vendor/github.com/hashicorp/terraform/terraform/transform_config_flat.go @@ -0,0 +1,80 @@ +package terraform + +import ( + "errors" + + "github.com/hashicorp/terraform/config/module" + "github.com/hashicorp/terraform/dag" +) + +// FlatConfigTransformer is a GraphTransformer that adds the configuration +// to the graph. The module used to configure this transformer must be +// the root module. +// +// This transform adds the nodes but doesn't connect any of the references. +// The ReferenceTransformer should be used for that. +// +// NOTE: In relation to ConfigTransformer: this is a newer generation config +// transformer. It puts the _entire_ config into the graph (there is no +// "flattening" step as before). +type FlatConfigTransformer struct { + Concrete ConcreteResourceNodeFunc // What to turn resources into + + Module *module.Tree +} + +func (t *FlatConfigTransformer) Transform(g *Graph) error { + // If no module, we do nothing + if t.Module == nil { + return nil + } + + // If the module is not loaded, that is an error + if !t.Module.Loaded() { + return errors.New("module must be loaded") + } + + return t.transform(g, t.Module) +} + +func (t *FlatConfigTransformer) transform(g *Graph, m *module.Tree) error { + // If no module, no problem + if m == nil { + return nil + } + + // Transform all the children. + for _, c := range m.Children() { + if err := t.transform(g, c); err != nil { + return err + } + } + + // Get the configuration for this module + config := m.Config() + + // Write all the resources out + for _, r := range config.Resources { + // Grab the address for this resource + addr, err := parseResourceAddressConfig(r) + if err != nil { + return err + } + addr.Path = m.Path() + + // Build the abstract resource. We have the config already so + // we'll just pre-populate that. + abstract := &NodeAbstractResource{ + Addr: addr, + Config: r, + } + var node dag.Vertex = abstract + if f := t.Concrete; f != nil { + node = f(abstract) + } + + g.Add(node) + } + + return nil +} |