| 13 | } |
| 14 | |
| 15 | func parseSubString(refs []string, substr string) []string { |
| 16 | words, err := parse.ParseSub(substr, false) |
| 17 | if err != nil { |
| 18 | config.Debugf("Unable to parse Sub %s: %v", substr, err) |
| 19 | return refs |
| 20 | } |
| 21 | |
| 22 | for _, word := range words { |
| 23 | switch word.T { |
| 24 | case parse.AWS: |
| 25 | refs = append(refs, fmt.Sprintf("AWS::%s", word.W)) |
| 26 | case parse.REF: |
| 27 | refs = append(refs, word.W) |
| 28 | case parse.GETATT: |
| 29 | left, _, found := strings.Cut(word.W, ".") |
| 30 | if !found { |
| 31 | config.Debugf("unexpected GetAtt %s", word.W) |
| 32 | } else { |
| 33 | refs = append(refs, left) |
| 34 | } |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | config.Debugf("After parsing Sub, refs is now: %v", refs) |
| 39 | |
| 40 | return refs |
| 41 | } |
| 42 | |
| 43 | func findRefs(t map[string]interface{}) []string { |
| 44 | refs := make([]string, 0) |