config: parse TerraformVariables
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@ -84,6 +84,13 @@ type SimpleVariable struct {
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Key string
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}
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// TerraformVariable is a "terraform."-prefixed variable used to access
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// metadata about the Terraform run.
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type TerraformVariable struct {
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Field string
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key string
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}
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// A UserVariable is a variable that is referencing a user variable
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// that is inputted from outside the configuration. This looks like
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// "${var.foo}"
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@ -101,6 +108,8 @@ func NewInterpolatedVariable(v string) (InterpolatedVariable, error) {
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return NewPathVariable(v)
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} else if strings.HasPrefix(v, "self.") {
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return NewSelfVariable(v)
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} else if strings.HasPrefix(v, "terraform.") {
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return NewTerraformVariable(v)
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} else if strings.HasPrefix(v, "var.") {
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return NewUserVariable(v)
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} else if strings.HasPrefix(v, "module.") {
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@ -278,6 +287,22 @@ func (v *SimpleVariable) GoString() string {
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return fmt.Sprintf("*%#v", *v)
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}
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func NewTerraformVariable(key string) (*TerraformVariable, error) {
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field := key[len("terraform."):]
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return &TerraformVariable{
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Field: field,
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key: key,
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}, nil
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}
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func (v *TerraformVariable) FullKey() string {
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return v.key
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}
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func (v *TerraformVariable) GoString() string {
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return fmt.Sprintf("*%#v", *v)
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}
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func NewUserVariable(key string) (*UserVariable, error) {
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name := key[len("var."):]
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elem := ""
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@ -63,6 +63,14 @@ func TestNewInterpolatedVariable(t *testing.T) {
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},
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false,
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},
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{
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"terraform.env",
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&TerraformVariable{
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Field: "env",
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key: "terraform.env",
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},
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false,
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},
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}
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for i, tc := range cases {
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