1 files changed, 119 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/terraform/evaltree_provider.go b/vendor/github.com/hashicorp/terraform/terraform/evaltree_provider.go
new file mode 100644
index 00000000..00392efe
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/terraform/evaltree_provider.go
@@ -0,0 +1,119 @@
+package terraform
+
+import (
+	"github.com/hashicorp/terraform/config"
+)
+
+// ProviderEvalTree returns the evaluation tree for initializing and
+// configuring providers.
+func ProviderEvalTree(n string, config *config.RawConfig) EvalNode {
+	var provider ResourceProvider
+	var resourceConfig *ResourceConfig
+
+	seq := make([]EvalNode, 0, 5)
+	seq = append(seq, &EvalInitProvider{Name: n})
+
+	// Input stuff
+	seq = append(seq, &EvalOpFilter{
+		Ops: []walkOperation{walkInput, walkImport},
+		Node: &EvalSequence{
+			Nodes: []EvalNode{
+				&EvalGetProvider{
+					Name:   n,
+					Output: &provider,
+				},
+				&EvalInterpolate{
+					Config: config,
+					Output: &resourceConfig,
+				},
+				&EvalBuildProviderConfig{
+					Provider: n,
+					Config:   &resourceConfig,
+					Output:   &resourceConfig,
+				},
+				&EvalInputProvider{
+					Name:     n,
+					Provider: &provider,
+					Config:   &resourceConfig,
+				},
+			},
+		},
+	})
+
+	seq = append(seq, &EvalOpFilter{
+		Ops: []walkOperation{walkValidate},
+		Node: &EvalSequence{
+			Nodes: []EvalNode{
+				&EvalGetProvider{
+					Name:   n,
+					Output: &provider,
+				},
+				&EvalInterpolate{
+					Config: config,
+					Output: &resourceConfig,
+				},
+				&EvalBuildProviderConfig{
+					Provider: n,
+					Config:   &resourceConfig,
+					Output:   &resourceConfig,
+				},
+				&EvalValidateProvider{
+					Provider: &provider,
+					Config:   &resourceConfig,
+				},
+				&EvalSetProviderConfig{
+					Provider: n,
+					Config:   &resourceConfig,
+				},
+			},
+		},
+	})
+
+	// Apply stuff
+	seq = append(seq, &EvalOpFilter{
+		Ops: []walkOperation{walkRefresh, walkPlan, walkApply, walkDestroy, walkImport},
+		Node: &EvalSequence{
+			Nodes: []EvalNode{
+				&EvalGetProvider{
+					Name:   n,
+					Output: &provider,
+				},
+				&EvalInterpolate{
+					Config: config,
+					Output: &resourceConfig,
+				},
+				&EvalBuildProviderConfig{
+					Provider: n,
+					Config:   &resourceConfig,
+					Output:   &resourceConfig,
+				},
+				&EvalSetProviderConfig{
+					Provider: n,
+					Config:   &resourceConfig,
+				},
+			},
+		},
+	})
+
+	// We configure on everything but validate, since validate may
+	// not have access to all the variables.
+	seq = append(seq, &EvalOpFilter{
+		Ops: []walkOperation{walkRefresh, walkPlan, walkApply, walkDestroy, walkImport},
+		Node: &EvalSequence{
+			Nodes: []EvalNode{
+				&EvalConfigProvider{
+					Provider: n,
+					Config:   &resourceConfig,
+				},
+			},
+		},
+	})
+
+	return &EvalSequence{Nodes: seq}
+}
+
+// CloseProviderEvalTree returns the evaluation tree for closing
+// provider connections that aren't needed anymore.
+func CloseProviderEvalTree(n string) EvalNode {
+	return &EvalCloseProvider{Name: n}
+}