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extractors.go
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/
extractors.go
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package config
import (
"regexp"
"github.com/antham/envh"
)
type extractorsConfigurator struct {
config *envh.EnvTree
}
func (e *extractorsConfigurator) process(config *CHYLE) (bool, error) {
if e.isDisabled() {
return true, nil
}
config.FEATURES.EXTRACTORS.ENABLED = true
for _, f := range []func() error{
e.validateExtractors,
} {
if err := f(); err != nil {
return true, err
}
}
e.setExtractors(config)
return true, nil
}
func (e *extractorsConfigurator) isDisabled() bool {
return featureDisabled(e.config, [][]string{{"CHYLE", "EXTRACTORS"}})
}
func (e *extractorsConfigurator) validateExtractors() error {
for _, key := range e.config.FindChildrenKeysUnsecured("CHYLE", "EXTRACTORS") {
if err := validateEnvironmentVariablesDefinition(e.config, [][]string{{"CHYLE", "EXTRACTORS", key, "ORIGKEY"}, {"CHYLE", "EXTRACTORS", key, "DESTKEY"}, {"CHYLE", "EXTRACTORS", key, "REG"}}); err != nil {
return err
}
if err := validateRegexp(e.config, []string{"CHYLE", "EXTRACTORS", key, "REG"}); err != nil {
return err
}
}
return nil
}
func (e *extractorsConfigurator) setExtractors(config *CHYLE) {
config.EXTRACTORS = map[string]struct {
ORIGKEY string
DESTKEY string
REG *regexp.Regexp
}{}
for _, key := range e.config.FindChildrenKeysUnsecured("CHYLE", "EXTRACTORS") {
config.EXTRACTORS[key] = struct {
ORIGKEY string
DESTKEY string
REG *regexp.Regexp
}{
e.config.FindStringUnsecured("CHYLE", "EXTRACTORS", key, "ORIGKEY"),
e.config.FindStringUnsecured("CHYLE", "EXTRACTORS", key, "DESTKEY"),
regexp.MustCompile(e.config.FindStringUnsecured("CHYLE", "EXTRACTORS", key, "REG")),
}
}
}