/
additional_kind_writer.go
81 lines (68 loc) · 2.04 KB
/
additional_kind_writer.go
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package spanstore
import (
"encoding/json"
"go.uber.org/zap"
"io/ioutil"
"os"
)
type KindRewriteRules interface {
SpanKindRules() map[string]string
OperationPrefixRules() map[string]string
}
type kindRules struct {
SpanTagRule map[string]string
OperationNameRules map[string]string
}
func (t kindRules) SpanKindRules() map[string]string {
return t.SpanTagRule
}
func (t kindRules) OperationPrefixRules() map[string]string {
return t.OperationNameRules
}
func initKindRewriteRules(ruleFile string) KindRewriteRules {
var spanTagsRewriteRules = map[string]string{
"db.instance": "client",
"redis.key": "client",
}
var operationPrefixRewriteRules = map[string]string{
"elastic-POST": "client",
}
data := initKindRewriteRule(ruleFile)
if d, ok := data[OperationWithPrefix]; ok {
for k, v := range d {
operationPrefixRewriteRules[k] = v
}
}
if d, ok := data[Tags]; ok {
for k, v := range d {
spanTagsRewriteRules[k] = v
}
}
d, _ := json.Marshal(spanTagsRewriteRules)
d2, _ := json.Marshal(operationPrefixRewriteRules)
logger.Info("The tag rewrite rules.", zap.String("KindRewriteRules", string(d)), zap.String("OperationNamePrefixAppendRules", string(d2)))
return &kindRules{
SpanTagRule: spanTagsRewriteRules,
OperationNameRules: operationPrefixRewriteRules,
}
}
func initKindRewriteRule(kindAppenderRuleFile string) map[string]map[string]string {
if kindAppenderRuleFile != "" {
if file, err := os.Open(kindAppenderRuleFile); err == nil {
if data, e := ioutil.ReadAll(file); e == nil {
logger.Info("The context of kind rewrite rule file.", zap.String("content", string(data)))
tagMapping := make(map[string]map[string]string)
if e1 := json.Unmarshal(data, &tagMapping); e1 == nil {
return tagMapping
} else {
logger.Warn("Failed to pared the kind rewrite rule.", zap.Error(e1))
}
} else {
logger.Warn("Failed to read the kind rewrite rule.", zap.Error(e))
}
} else {
logger.Warn("the kind rewrite rule file is not exist.", zap.Error(err))
}
}
return nil
}