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// SPDX-License-Identifier: GPL-3.0-or-later
package weblog
import (
"github.com/netdata/netdata/go/go.d.plugin/pkg/metrics"
)
func newWebLogSummary() metrics.Summary {
return &weblogSummary{metrics.NewSummary()}
}
type weblogSummary struct {
metrics.Summary
}
// WriteTo redefines metrics.Summary.WriteTo
// TODO: temporary workaround?
func (s weblogSummary) WriteTo(rv map[string]int64, key string, mul, div int) {
s.Summary.WriteTo(rv, key, mul, div)
if _, ok := rv[key+"_min"]; !ok {
rv[key+"_min"] = 0
rv[key+"_max"] = 0
rv[key+"_avg"] = 0
}
}
type (
metricsData struct {
Requests metrics.Counter `stm:"requests"`
ReqUnmatched metrics.Counter `stm:"req_unmatched"`
RespCode metrics.CounterVec `stm:"resp_code"`
Resp1xx metrics.Counter `stm:"resp_1xx"`
Resp2xx metrics.Counter `stm:"resp_2xx"`
Resp3xx metrics.Counter `stm:"resp_3xx"`
Resp4xx metrics.Counter `stm:"resp_4xx"`
Resp5xx metrics.Counter `stm:"resp_5xx"`
ReqSuccess metrics.Counter `stm:"req_type_success"`
ReqRedirect metrics.Counter `stm:"req_type_redirect"`
ReqBad metrics.Counter `stm:"req_type_bad"`
ReqError metrics.Counter `stm:"req_type_error"`
UniqueIPv4 metrics.UniqueCounter `stm:"uniq_ipv4"`
UniqueIPv6 metrics.UniqueCounter `stm:"uniq_ipv6"`
BytesSent metrics.Counter `stm:"bytes_sent"`
BytesReceived metrics.Counter `stm:"bytes_received"`
ReqProcTime metrics.Summary `stm:"req_proc_time"`
ReqProcTimeHist metrics.Histogram `stm:"req_proc_time_hist"`
UpsRespTime metrics.Summary `stm:"upstream_resp_time"`
UpsRespTimeHist metrics.Histogram `stm:"upstream_resp_time_hist"`
ReqVhost metrics.CounterVec `stm:"req_vhost"`
ReqPort metrics.CounterVec `stm:"req_port"`
ReqMethod metrics.CounterVec `stm:"req_method"`
ReqURLPattern metrics.CounterVec `stm:"req_url_ptn"`
ReqVersion metrics.CounterVec `stm:"req_version"`
ReqSSLProto metrics.CounterVec `stm:"req_ssl_proto"`
ReqSSLCipherSuite metrics.CounterVec `stm:"req_ssl_cipher_suite"`
ReqHTTPScheme metrics.Counter `stm:"req_http_scheme"`
ReqHTTPSScheme metrics.Counter `stm:"req_https_scheme"`
ReqIPv4 metrics.Counter `stm:"req_ipv4"`
ReqIPv6 metrics.Counter `stm:"req_ipv6"`
ReqCustomField map[string]metrics.CounterVec `stm:"custom_field"`
URLPatternStats map[string]*patternMetrics `stm:"url_ptn"`
ReqCustomTimeField map[string]*customTimeFieldMetrics `stm:"custom_time_field"`
ReqCustomNumericField map[string]*customNumericFieldMetrics `stm:"custom_numeric_field"`
}
customTimeFieldMetrics struct {
Time metrics.Summary `stm:"time"`
TimeHist metrics.Histogram `stm:"time_hist"`
}
customNumericFieldMetrics struct {
Summary metrics.Summary `stm:"summary"`
multiplier int
divisor int
}
patternMetrics struct {
RespCode metrics.CounterVec `stm:"resp_code"`
ReqMethod metrics.CounterVec `stm:"req_method"`
BytesSent metrics.Counter `stm:"bytes_sent"`
BytesReceived metrics.Counter `stm:"bytes_received"`
ReqProcTime metrics.Summary `stm:"req_proc_time"`
}
)
func newMetricsData(config Config) *metricsData {
return &metricsData{
ReqVhost: metrics.NewCounterVec(),
ReqPort: metrics.NewCounterVec(),
ReqMethod: metrics.NewCounterVec(),
ReqVersion: metrics.NewCounterVec(),
RespCode: metrics.NewCounterVec(),
ReqSSLProto: metrics.NewCounterVec(),
ReqSSLCipherSuite: metrics.NewCounterVec(),
ReqProcTime: newWebLogSummary(),
ReqProcTimeHist: metrics.NewHistogram(convHistOptionsToMicroseconds(config.Histogram)),
UpsRespTime: newWebLogSummary(),
UpsRespTimeHist: metrics.NewHistogram(convHistOptionsToMicroseconds(config.Histogram)),
UniqueIPv4: metrics.NewUniqueCounter(true),
UniqueIPv6: metrics.NewUniqueCounter(true),
ReqURLPattern: newCounterVecFromPatterns(config.URLPatterns),
ReqCustomField: newReqCustomField(config.CustomFields),
URLPatternStats: newURLPatternStats(config.URLPatterns),
ReqCustomTimeField: newReqCustomTimeField(config.CustomTimeFields),
ReqCustomNumericField: newReqCustomNumericField(config.CustomNumericFields),
}
}
func (m *metricsData) reset() {
m.UniqueIPv4.Reset()
m.UniqueIPv6.Reset()
m.ReqProcTime.Reset()
m.UpsRespTime.Reset()
for _, v := range m.URLPatternStats {
v.ReqProcTime.Reset()
}
for _, v := range m.ReqCustomTimeField {
v.Time.Reset()
}
for _, v := range m.ReqCustomNumericField {
v.Summary.Reset()
}
}
func newCounterVecFromPatterns(patterns []userPattern) metrics.CounterVec {
c := metrics.NewCounterVec()
for _, p := range patterns {
_, _ = c.GetP(p.Name)
}
return c
}
func newURLPatternStats(patterns []userPattern) map[string]*patternMetrics {
stats := make(map[string]*patternMetrics)
for _, p := range patterns {
stats[p.Name] = &patternMetrics{
RespCode: metrics.NewCounterVec(),
ReqMethod: metrics.NewCounterVec(),
ReqProcTime: newWebLogSummary(),
}
}
return stats
}
func newReqCustomField(fields []customField) map[string]metrics.CounterVec {
cf := make(map[string]metrics.CounterVec)
for _, f := range fields {
cf[f.Name] = newCounterVecFromPatterns(f.Patterns)
}
return cf
}
func newReqCustomTimeField(fields []customTimeField) map[string]*customTimeFieldMetrics {
cf := make(map[string]*customTimeFieldMetrics)
for _, f := range fields {
cf[f.Name] = &customTimeFieldMetrics{
Time: newWebLogSummary(),
TimeHist: metrics.NewHistogram(convHistOptionsToMicroseconds(f.Histogram)),
}
}
return cf
}
func newReqCustomNumericField(fields []customNumericField) map[string]*customNumericFieldMetrics {
rv := make(map[string]*customNumericFieldMetrics)
for _, f := range fields {
rv[f.Name] = &customNumericFieldMetrics{
Summary: newWebLogSummary(),
multiplier: f.Multiplier,
divisor: f.Divisor,
}
}
return rv
}
// convert histogram options to microseconds (second => us)
func convHistOptionsToMicroseconds(histogram []float64) []float64 {
var buckets []float64
for _, value := range histogram {
buckets = append(buckets, value*1e6)
}
return buckets
}
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