| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package match |
| |
| import ( |
| "path/filepath" |
| "strings" |
| ) |
| |
| import ( |
| "istio.io/pkg/log" |
| ) |
| |
| func MatchesMap(selection, cluster map[string]string) bool { |
| if len(selection) == 0 { |
| return true |
| } |
| if len(cluster) == 0 { |
| return false |
| } |
| |
| for ks, vs := range selection { |
| vc, ok := cluster[ks] |
| if !ok { |
| return false |
| } |
| if !MatchesGlob(vc, vs) { |
| return false |
| } |
| } |
| return true |
| } |
| |
| func MatchesGlobs(matchString string, patterns []string) bool { |
| if len(patterns) == 0 { |
| return true |
| } |
| if len(patterns) == 1 { |
| p := strings.TrimSpace(patterns[0]) |
| if p == "" || p == "*" { |
| return true |
| } |
| } |
| |
| for _, p := range patterns { |
| if MatchesGlob(matchString, p) { |
| return true |
| } |
| } |
| return false |
| } |
| |
| func MatchesGlob(matchString, pattern string) bool { |
| match, err := filepath.Match(pattern, matchString) |
| if err != nil { |
| // Shouldn't be here as prior validation is assumed. |
| log.Errorf("Unexpected filepath error for %s match %s: %s", pattern, matchString, err) |
| return false |
| } |
| return match |
| } |