func buildInput()

in internal/config/config.go [1107:1166]
54 lines of code
18 McCabe index (conditional complexity)

func buildInput(name string, tbl *ast.Table) (*models.InputConfig, error) {
	cp := &models.InputConfig{Name: name}
	if node, ok := tbl.Fields["interval"]; ok {
		if kv, ok := node.(*ast.KeyValue); ok {
			if str, ok := kv.Value.(*ast.String); ok {
				dur, err := time.ParseDuration(str.Value)
				if err != nil {
					return nil, err
				}

				cp.Interval = dur
			}
		}
	}

	if node, ok := tbl.Fields["name_prefix"]; ok {
		if kv, ok := node.(*ast.KeyValue); ok {
			if str, ok := kv.Value.(*ast.String); ok {
				cp.MeasurementPrefix = str.Value
			}
		}
	}

	if node, ok := tbl.Fields["name_suffix"]; ok {
		if kv, ok := node.(*ast.KeyValue); ok {
			if str, ok := kv.Value.(*ast.String); ok {
				cp.MeasurementSuffix = str.Value
			}
		}
	}

	if node, ok := tbl.Fields["name_override"]; ok {
		if kv, ok := node.(*ast.KeyValue); ok {
			if str, ok := kv.Value.(*ast.String); ok {
				cp.NameOverride = str.Value
			}
		}
	}

	cp.Tags = make(map[string]string)
	if node, ok := tbl.Fields["tags"]; ok {
		if subtbl, ok := node.(*ast.Table); ok {
			if err := config.UnmarshalTable(subtbl, cp.Tags); err != nil {
				log.Printf("E! Could not parse tags for input %s\n", name)
			}
		}
	}

	delete(tbl.Fields, "name_prefix")
	delete(tbl.Fields, "name_suffix")
	delete(tbl.Fields, "name_override")
	delete(tbl.Fields, "interval")
	delete(tbl.Fields, "tags")
	var err error
	cp.Filter, err = buildFilter(tbl)
	if err != nil {
		return cp, err
	}
	return cp, nil
}