helper/schema: add float type

helper/schema/field_reader.go

@@ -243,6 +243,21 @@ func stringToPrimitive(
 			return nil, err
 		}
 
+		returnVal = v
+	case TypeFloat:
+		if value == "" {
+			returnVal = 0.0
+			break
+		}
+		if computed {
+			break
+		}
+
+		v, err := strconv.ParseFloat(value, 64)
+		if err != nil {
+			return nil, err
+		}
+
 		returnVal = v
 	case TypeInt:
 		if value == "" {
@@ -262,7 +277,7 @@ func stringToPrimitive(
 	case TypeString:
 		returnVal = value
 	default:
-		panic(fmt.Sprintf("Unknown type: %#v", schema.Type))
+		panic(fmt.Sprintf("Unknown type: %s", schema.Type))
 	}
 
 	return returnVal, nil

helper/schema/field_reader_config.go

@@ -80,6 +80,8 @@ func (r *ConfigFieldReader) readField(
 	switch schema.Type {
 	case TypeBool:
 		fallthrough
+	case TypeFloat:
+		fallthrough
 	case TypeInt:
 		fallthrough
 	case TypeString:
@@ -96,7 +98,7 @@ func (r *ConfigFieldReader) readField(
 			&nestedConfigFieldReader{r},
 			address, schema.Elem.(map[string]*Schema))
 	default:
-		panic(fmt.Sprintf("Unknown type: %#v", schema.Type))
+		panic(fmt.Sprintf("Unknown type: %s", schema.Type))
 	}
 }
 

helper/schema/field_reader_config_test.go

@@ -18,6 +18,7 @@ func TestConfigFieldReader(t *testing.T) {
 
 			Config: testConfig(t, map[string]interface{}{
 				"bool":   true,
+				"float":  3.1415,
 				"int":    42,
 				"string": "string",
 

helper/schema/field_reader_diff.go

@@ -41,6 +41,8 @@ func (r *DiffFieldReader) ReadField(address []string) (FieldReadResult, error) {
 	switch schema.Type {
 	case TypeBool:
 		fallthrough
+	case TypeFloat:
+		fallthrough
 	case TypeInt:
 		fallthrough
 	case TypeString:

helper/schema/field_reader_diff_test.go

@@ -179,6 +179,11 @@ func TestDiffFieldReader(t *testing.T) {
 						New: "42",
 					},
 
+					"float": &terraform.ResourceAttrDiff{
+						Old: "",
+						New: "3.1415",
+					},
+
 					"string": &terraform.ResourceAttrDiff{
 						Old: "",
 						New: "string",

helper/schema/field_reader_map.go

@@ -23,6 +23,8 @@ func (r *MapFieldReader) ReadField(address []string) (FieldReadResult, error) {
 	switch schema.Type {
 	case TypeBool:
 		fallthrough
+	case TypeFloat:
+		fallthrough
 	case TypeInt:
 		fallthrough
 	case TypeString:
@@ -36,7 +38,7 @@ func (r *MapFieldReader) ReadField(address []string) (FieldReadResult, error) {
 	case typeObject:
 		return readObjectField(r, address, schema.Elem.(map[string]*Schema))
 	default:
-		panic(fmt.Sprintf("Unknown type: %#v", schema.Type))
+		panic(fmt.Sprintf("Unknown type: %s", schema.Type))
 	}
 }
 

helper/schema/field_reader_map_test.go

@@ -17,6 +17,7 @@ func TestMapFieldReader(t *testing.T) {
 			Map: BasicMapReader(map[string]string{
 				"bool":   "true",
 				"int":    "42",
+				"float":  "3.1415",
 				"string": "string",
 
 				"list.#": "2",

helper/schema/field_reader_test.go

@@ -189,6 +189,7 @@ func testFieldReader(t *testing.T, f func(map[string]*Schema) FieldReader) {
 	schema := map[string]*Schema{
 		// Primitives
 		"bool":   &Schema{Type: TypeBool},
+		"float":  &Schema{Type: TypeFloat},
 		"int":    &Schema{Type: TypeInt},
 		"string": &Schema{Type: TypeString},
 
@@ -265,6 +266,16 @@ func testFieldReader(t *testing.T, f func(map[string]*Schema) FieldReader) {
 			false,
 		},
 
+		"float": {
+			[]string{"float"},
+			FieldReadResult{
+				Value:    3.1415,
+				Exists:   true,
+				Computed: false,
+			},
+			false,
+		},
+
 		"int": {
 			[]string{"int"},
 			FieldReadResult{