func (p *Parser) Compile() error {
p.typeMap = make(map[string]map[string]string)
p.tsMap = make(map[string]map[string]string)
p.patterns = make(map[string]string)
p.tsModder = &tsModder{}
var err error
p.g, err = grok.NewWithConfig(&grok.Config{NamedCapturesOnly: true})
if err != nil {
return err
}
p.CustomPatterns = DEFAULT_PATTERNS + p.CustomPatterns
if len(p.CustomPatterns) != 0 {
scanner := bufio.NewScanner(strings.NewReader(p.CustomPatterns))
p.addCustomPatterns(scanner)
}
for _, filename := range p.CustomPatternFiles {
file, err := os.Open(filename)
if err != nil {
return err
}
scanner := bufio.NewScanner(bufio.NewReader(file))
p.addCustomPatterns(scanner)
}
return p.compileCustomPatterns()
}
func (p *Parser) Compile() error {
p.typeMap = make(map[string]map[string]string)
p.tsMap = make(map[string]map[string]string)
p.patterns = make(map[string]string)
p.tsModder = &tsModder{}
var err error
p.g, err = grok.NewWithConfig(&grok.Config{NamedCapturesOnly: true})
if err != nil {
return err
}
// Give Patterns fake names so that they can be treated as named
// "custom patterns"
p.namedPatterns = make([]string, len(p.Patterns))
for i, pattern := range p.Patterns {
name := fmt.Sprintf("GROK_INTERNAL_PATTERN_%d", i)
p.CustomPatterns += "\n" + name + " " + pattern + "\n"
p.namedPatterns[i] = "%{" + name + "}"
}
// Combine user-supplied CustomPatterns with DEFAULT_PATTERNS and parse
// them together as the same type of pattern.
p.CustomPatterns = DEFAULT_PATTERNS + p.CustomPatterns
if len(p.CustomPatterns) != 0 {
scanner := bufio.NewScanner(strings.NewReader(p.CustomPatterns))
p.addCustomPatterns(scanner)
}
// Parse any custom pattern files supplied.
for _, filename := range p.CustomPatternFiles {
file, err := os.Open(filename)
if err != nil {
return err
}
scanner := bufio.NewScanner(bufio.NewReader(file))
p.addCustomPatterns(scanner)
}
if p.Measurement == "" {
p.Measurement = "logparser_grok"
}
return p.compileCustomPatterns()
}