119 lines
2.8 KiB
Go
119 lines
2.8 KiB
Go
package terraform
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import (
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"fmt"
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"github.com/hashicorp/terraform/config"
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"github.com/hashicorp/terraform/config/module"
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)
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// NodeApplyableModuleVariable represents a module variable input during
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// the apply step.
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type NodeApplyableModuleVariable struct {
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PathValue []string
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Config *config.Variable // Config is the var in the config
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Value *config.RawConfig // Value is the value that is set
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Module *module.Tree // Antiquated, want to remove
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}
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func (n *NodeApplyableModuleVariable) Name() string {
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result := fmt.Sprintf("var.%s", n.Config.Name)
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if len(n.PathValue) > 1 {
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result = fmt.Sprintf("%s.%s", modulePrefixStr(n.PathValue), result)
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}
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return result
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}
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// GraphNodeSubPath
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func (n *NodeApplyableModuleVariable) Path() []string {
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// We execute in the parent scope (above our own module) so that
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// we can access the proper interpolations.
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if len(n.PathValue) > 2 {
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return n.PathValue[:len(n.PathValue)-1]
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}
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return rootModulePath
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}
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// GraphNodeReferenceGlobal
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func (n *NodeApplyableModuleVariable) ReferenceGlobal() bool {
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// We have to create fully qualified references because we cross
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// boundaries here: our ReferenceableName is in one path and our
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// References are from another path.
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return true
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}
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// GraphNodeReferenceable
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func (n *NodeApplyableModuleVariable) ReferenceableName() []string {
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return []string{n.Name()}
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}
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// GraphNodeReferencer
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func (n *NodeApplyableModuleVariable) References() []string {
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// If we have no value set, we depend on nothing
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if n.Value == nil {
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return nil
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}
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// Can't depend on anything if we're in the root
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if len(n.PathValue) < 2 {
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return nil
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}
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// Otherwise, we depend on anything that is in our value, but
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// specifically in the namespace of the parent path.
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// Create the prefix based on the path
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var prefix string
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if p := n.Path(); len(p) > 0 {
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prefix = modulePrefixStr(p)
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}
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result := ReferencesFromConfig(n.Value)
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return modulePrefixList(result, prefix)
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}
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// GraphNodeEvalable
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func (n *NodeApplyableModuleVariable) EvalTree() EvalNode {
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// If we have no value, do nothing
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if n.Value == nil {
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return &EvalNoop{}
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}
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// Otherwise, interpolate the value of this variable and set it
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// within the variables mapping.
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var config *ResourceConfig
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variables := make(map[string]interface{})
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return &EvalSequence{
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Nodes: []EvalNode{
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&EvalInterpolate{
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Config: n.Value,
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Output: &config,
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},
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&EvalVariableBlock{
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Config: &config,
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VariableValues: variables,
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},
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&EvalCoerceMapVariable{
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Variables: variables,
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ModulePath: n.PathValue,
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ModuleTree: n.Module,
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},
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&EvalTypeCheckVariable{
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Variables: variables,
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ModulePath: n.PathValue,
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ModuleTree: n.Module,
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},
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&EvalSetVariables{
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Module: &n.PathValue[len(n.PathValue)-1],
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Variables: variables,
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},
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},
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}
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}
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