Add support for ignore regexes in filters

app/daemon.go

@@ -62,6 +62,12 @@ func runCommands(commands [][]string, moment string) bool {
 }
 
 func (p *Pattern) notAnIgnore(match *string) bool {
+	for _, regex := range p.compiledIgnoreRegex {
+		if regex.MatchString(*match) {
+			return false
+		}
+	}
+
 	for _, ignore := range p.Ignore {
 		if ignore == *match {
 			return false

app/example.yml

@@ -23,6 +23,9 @@ patterns:
     ignore:
       - 127.0.0.1
       - ::1
+    # Patterns can be ignored based on regexes, it will try to match the whole string detected by the pattern
+    # ignoreregex:
+    #   - '10\.0\.[0-9]{1,3}\.[0-9]{1,3}'
 
 # Those commands will be executed in order at start, before everything else
 start:

app/startup.go

@@ -39,6 +39,17 @@ func (c *Conf) setup() {
 				logger.Fatalf("Bad configuration: pattern ignore '%v' doesn't match pattern %v! It should be fixed or removed.", ignore, pattern.nameWithBraces)
 			}
 		}
+
+		// Compile ignore regexes
+		for _, regex := range pattern.IgnoreRegex {
+			// Enclose the regex to make sure that it matches the whole detected string
+			compiledRegex, err := regexp.Compile("^" + regex + "$")
+			if err != nil {
+				log.Fatalf("%vBad configuration: in ignoreregex of pattern %s: %v", logger.FATAL, pattern.name, err)
+			}
+
+			pattern.compiledIgnoreRegex = append(pattern.compiledIgnoreRegex, *compiledRegex)
+		}
 	}
 
 	if len(c.Streams) == 0 {

app/types.go

@@ -19,6 +19,9 @@ type Pattern struct {
 	Regex  string   `json:"regex"`
 	Ignore []string `json:"ignore"`
 
+	IgnoreRegex         []string        `json:"ignoreregex"`
+	compiledIgnoreRegex []regexp.Regexp `json:"-"`
+
 	name           string `json:"-"`
 	nameWithBraces string `json:"-"`
 }

config/example.jsonnet

@@ -29,6 +29,8 @@ local banFor(time) = {
       // simple version: regex: @'(?:(?:[0-9]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})',
       regex: @'(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|(?:(?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(?::0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]))',
       ignore: ['127.0.0.1', '::1'],
+      // Patterns can be ignored based on regexes, it will try to match the whole string detected by the pattern
+      // ignoreregex: [@'10\.0\.[0-9]{1,3}\.[0-9]{1,3}'],
     },
   },