import (
"fmt"
+ "sync"
+
"github.com/gorilla/mux"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
- "sync"
)
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+func strSliceCompare(a, b []string) bool {
+ if len(a) != len(b) {
+ return false
+ }
+ for i, v := range a {
+ if v != b[i] {
+ return false
+ }
+ }
+ return true
+}
+
//-----------------------------------------------------------------------------
// Alias
//-----------------------------------------------------------------------------
type Counter prometheus.Counter
type Gauge prometheus.Gauge
+type CounterVec struct {
+ Vec *prometheus.CounterVec
+ Opts CounterOpts
+ Labels []string
+}
+
+type GaugeVec struct {
+ Vec *prometheus.GaugeVec
+ Opts CounterOpts
+ Labels []string
+}
+
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+type MetricGroupsCacheCounterRegisterer interface {
+ RegisterCounter(CounterOpts) Counter
+}
+
+type MetricGroupsCacheCounterRegistererFunc func(CounterOpts) Counter
+
+func (fn MetricGroupsCacheCounterRegistererFunc) RegisterCounter(copts CounterOpts) Counter {
+ return fn(copts)
+}
+
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+type MetricGroupsCacheGaugeRegisterer interface {
+ RegisterGauge(CounterOpts) Gauge
+}
+
+type MetricGroupsCacheGaugeRegistererFunc func(CounterOpts) Gauge
+
+func (fn MetricGroupsCacheGaugeRegistererFunc) RegisterGauge(copts CounterOpts) Gauge {
+ return fn(copts)
+}
+
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
sync.RWMutex //This is for map locking
counters map[string]Counter
gauges map[string]Gauge
+ regcnt MetricGroupsCacheCounterRegisterer
+ reggau MetricGroupsCacheGaugeRegisterer
+}
+
+func (met *MetricGroupsCache) Registerer(regcnt MetricGroupsCacheCounterRegisterer, reggau MetricGroupsCacheGaugeRegisterer) {
+ met.regcnt = regcnt
+ met.reggau = reggau
+}
+
+func (met *MetricGroupsCache) cReg(metric string) Counter {
+ if met.regcnt != nil {
+ cntr := met.regcnt.RegisterCounter(CounterOpts{Name: metric, Help: "Amount of " + metric + "(auto)"})
+ met.counters[metric] = cntr
+ return cntr
+ }
+ return nil
+}
+func (met *MetricGroupsCache) gReg(metric string) Gauge {
+ if met.reggau != nil {
+ gaug := met.reggau.RegisterGauge(CounterOpts{Name: metric, Help: "Amount of " + metric + "(auto)"})
+ met.gauges[metric] = gaug
+ return gaug
+ }
+ return nil
}
func (met *MetricGroupsCache) CIs(metric string) bool {
- met.RLock()
- defer met.RUnlock()
+ met.Lock()
+ defer met.Unlock()
_, ok := met.counters[metric]
return ok
}
func (met *MetricGroupsCache) CGet(metric string) Counter {
- met.RLock()
- defer met.RUnlock()
- return met.counters[metric]
+ met.Lock()
+ defer met.Unlock()
+ cntr, ok := met.counters[metric]
+ if !ok {
+ cntr = met.cReg(metric)
+ }
+ return cntr
}
func (met *MetricGroupsCache) CInc(metric string) {
- met.RLock()
- defer met.RUnlock()
- met.counters[metric].Inc()
+ met.Lock()
+ defer met.Unlock()
+ cntr, ok := met.counters[metric]
+ if !ok {
+ cntr = met.cReg(metric)
+ }
+ cntr.Inc()
}
func (met *MetricGroupsCache) CAdd(metric string, val float64) {
- met.RLock()
- defer met.RUnlock()
- met.counters[metric].Add(val)
+ met.Lock()
+ defer met.Unlock()
+ cntr, ok := met.counters[metric]
+ if !ok {
+ cntr = met.cReg(metric)
+ }
+ cntr.Add(val)
}
func (met *MetricGroupsCache) GIs(metric string) bool {
- met.RLock()
- defer met.RUnlock()
+ met.Lock()
+ defer met.Unlock()
_, ok := met.gauges[metric]
return ok
}
func (met *MetricGroupsCache) GGet(metric string) Gauge {
- met.RLock()
- defer met.RUnlock()
- return met.gauges[metric]
+ met.Lock()
+ defer met.Unlock()
+ gaug, ok := met.gauges[metric]
+ if !ok {
+ gaug = met.gReg(metric)
+ }
+ return gaug
}
func (met *MetricGroupsCache) GSet(metric string, val float64) {
- met.RLock()
- defer met.RUnlock()
- met.gauges[metric].Set(val)
+ met.Lock()
+ defer met.Unlock()
+ gaug, ok := met.gauges[metric]
+ if !ok {
+ gaug = met.gReg(metric)
+ }
+ gaug.Set(val)
}
-func (met *MetricGroupsCache) GInc(metric string) {
- met.RLock()
- defer met.RUnlock()
- met.gauges[metric].Inc()
+func (met *MetricGroupsCache) GAdd(metric string, val float64) {
+ met.Lock()
+ defer met.Unlock()
+ gaug, ok := met.gauges[metric]
+ if !ok {
+ gaug = met.gReg(metric)
+ }
+ gaug.Add(val)
}
-func (met *MetricGroupsCache) GDec(metric string) {
- met.RLock()
- defer met.RUnlock()
- met.gauges[metric].Dec()
+func (met *MetricGroupsCache) GInc(metric string) {
+ met.Lock()
+ defer met.Unlock()
+ gaug, ok := met.gauges[metric]
+ if !ok {
+ gaug = met.gReg(metric)
+ }
+ gaug.Inc()
}
-func (met *MetricGroupsCache) CombineCounterGroups(srcs ...map[string]Counter) {
+func (met *MetricGroupsCache) GDec(metric string) {
met.Lock()
defer met.Unlock()
+ gaug, ok := met.gauges[metric]
+ if !ok {
+ gaug = met.gReg(metric)
+ }
+ gaug.Dec()
+}
+
+func (met *MetricGroupsCache) combineCounterGroupsWithPrefix(prefix string, srcs ...map[string]Counter) {
for _, src := range srcs {
for k, v := range src {
- met.counters[k] = v
+ met.counters[prefix+k] = v
}
}
}
-func (met *MetricGroupsCache) CombineGaugeGroups(srcs ...map[string]Gauge) {
+func (met *MetricGroupsCache) CombineCounterGroupsWithPrefix(prefix string, srcs ...map[string]Counter) {
met.Lock()
defer met.Unlock()
+ met.combineCounterGroupsWithPrefix(prefix, srcs...)
+}
+
+func (met *MetricGroupsCache) CombineCounterGroups(srcs ...map[string]Counter) {
+ met.Lock()
+ defer met.Unlock()
+ met.combineCounterGroupsWithPrefix("", srcs...)
+}
+
+func (met *MetricGroupsCache) combineGaugeGroupsWithPrefix(prefix string, srcs ...map[string]Gauge) {
for _, src := range srcs {
for k, v := range src {
- met.gauges[k] = v
+ met.gauges[prefix+k] = v
}
}
}
+func (met *MetricGroupsCache) CombineGaugeGroupsWithPrefix(prefix string, srcs ...map[string]Gauge) {
+ met.Lock()
+ defer met.Unlock()
+ met.combineGaugeGroupsWithPrefix(prefix, srcs...)
+}
+
+func (met *MetricGroupsCache) CombineGaugeGroups(srcs ...map[string]Gauge) {
+ met.Lock()
+ defer met.Unlock()
+ met.combineGaugeGroupsWithPrefix("", srcs...)
+}
+
func NewMetricGroupsCache() *MetricGroupsCache {
entry := &MetricGroupsCache{}
entry.counters = make(map[string]Counter)
entry.gauges = make(map[string]Gauge)
+ entry.regcnt = nil
+ entry.reggau = nil
+ return entry
+}
+
+func NewMetricGroupsCacheWithRegisterers(regcnt MetricGroupsCacheCounterRegisterer, reggau MetricGroupsCacheGaugeRegisterer) *MetricGroupsCache {
+ entry := NewMetricGroupsCache()
+ entry.regcnt = regcnt
+ entry.reggau = reggau
return entry
}
var globalLock sync.Mutex
var cache_allcounters map[string]Counter
var cache_allgauges map[string]Gauge
+var cache_allcountervects map[string]CounterVec
+var cache_allgaugevects map[string]GaugeVec
func init() {
cache_allcounters = make(map[string]Counter)
cache_allgauges = make(map[string]Gauge)
+ cache_allcountervects = make(map[string]CounterVec)
+ cache_allgaugevects = make(map[string]GaugeVec)
}
//-----------------------------------------------------------------------------
if url == "" {
url = "/ric/v1/metrics"
}
- if namespace == "" {
- namespace = "ricxapp"
- }
-
Logger.Info("Serving metrics on: url=%s namespace=%s", url, namespace)
// Expose 'metrics' endpoint with standard golang metrics used by prometheus
return fmt.Sprintf("%s_%s_%s_%s", opts.Namespace, opts.Subsystem, opts.Name, labelname)
}
-/*
- * Handling counters
- */
-func (m *Metrics) registerCounter(opts CounterOpts) Counter {
- Logger.Info("Register new counter with opts: %v", opts)
- return promauto.NewCounter(prometheus.CounterOpts(opts))
-}
-
-func (m *Metrics) RegisterCounterGroup(opts []CounterOpts, subsytem string) (c map[string]Counter) {
+//
+//
+//
+func (m *Metrics) RegisterCounter(opts CounterOpts, subsytem string) Counter {
globalLock.Lock()
defer globalLock.Unlock()
- c = make(map[string]Counter)
- for _, opt := range opts {
- opt.Namespace = m.Namespace
- opt.Subsystem = subsytem
-
- id := m.getFullName(prometheus.Opts(opt), []string{})
- if _, ok := cache_allcounters[id]; !ok {
- cache_allcounters[id] = m.registerCounter(opt)
- }
-
- c[opt.Name] = cache_allcounters[id]
+ opts.Namespace = m.Namespace
+ opts.Subsystem = subsytem
+ id := m.getFullName(prometheus.Opts(opts), []string{})
+ if _, ok := cache_allcountervects[id]; ok {
+ Logger.Warn("Register new counter with opts: %v, name conflicts existing counter vector", opts)
+ return nil
}
-
- return
+ if _, ok := cache_allcounters[id]; !ok {
+ Logger.Debug("Register new counter with opts: %v", opts)
+ cache_allcounters[id] = promauto.NewCounter(prometheus.CounterOpts(opts))
+ }
+ return cache_allcounters[id]
}
-/*
- * Handling gauges
- */
-func (m *Metrics) registerGauge(opts CounterOpts) Gauge {
- Logger.Info("Register new gauge with opts: %v", opts)
- return promauto.NewGauge(prometheus.GaugeOpts(opts))
+//
+//
+//
+func (m *Metrics) RegisterCounterGroup(optsgroup []CounterOpts, subsytem string) map[string]Counter {
+ c := make(map[string]Counter)
+ for _, opts := range optsgroup {
+ c[opts.Name] = m.RegisterCounter(opts, subsytem)
+ }
+ return c
}
-func (m *Metrics) RegisterGaugeGroup(opts []CounterOpts, subsytem string) (c map[string]Gauge) {
+//
+//
+//
+func (m *Metrics) RegisterLabeledCounter(opts CounterOpts, labelNames []string, labelValues []string, subsytem string) Counter {
globalLock.Lock()
defer globalLock.Unlock()
- c = make(map[string]Gauge)
- for _, opt := range opts {
- opt.Namespace = m.Namespace
- opt.Subsystem = subsytem
-
- id := m.getFullName(prometheus.Opts(opt), []string{})
- if _, ok := cache_allgauges[id]; !ok {
- cache_allgauges[id] = m.registerGauge(opt)
- }
-
- c[opt.Name] = cache_allgauges[id]
+ opts.Namespace = m.Namespace
+ opts.Subsystem = subsytem
+ vecid := m.getFullName(prometheus.Opts(opts), []string{})
+ if _, ok := cache_allcounters[vecid]; ok {
+ Logger.Warn("Register new counter vector with opts: %v labelNames: %v, name conflicts existing counter", opts, labelNames)
+ return nil
}
-
- return
-}
-
-/*
- * Handling counter vectors
- *
- * Example:
-
- vec := Metric.RegisterCounterVecGroup(
- []CounterOpts{
- {Name: "counter1", Help: "counter1"},
- {Name: "counter2", Help: "counter2"},
- },
- []string{"host"},
- "SUBSYSTEM")
-
- stat:=Metric.GetCounterGroupFromVects([]string{"localhost:8888"}, vec)
-
-*/
-type CounterVec struct {
- Vec *prometheus.CounterVec
- Opts CounterOpts
-}
-
-func (m *Metrics) registerCounterVec(opts CounterOpts, labelNames []string) *prometheus.CounterVec {
- Logger.Info("Register new counter vector with opts: %v labelNames: %v", opts, labelNames)
- return promauto.NewCounterVec(prometheus.CounterOpts(opts), labelNames)
+ if _, ok := cache_allcountervects[vecid]; !ok {
+ Logger.Debug("Register new counter vector with opts: %v labelNames: %v", opts, labelNames)
+ entry := CounterVec{}
+ entry.Opts = opts
+ entry.Labels = labelNames
+ entry.Vec = promauto.NewCounterVec(prometheus.CounterOpts(entry.Opts), entry.Labels)
+ cache_allcountervects[vecid] = entry
+ }
+ entry := cache_allcountervects[vecid]
+ if strSliceCompare(entry.Labels, labelNames) == false {
+ Logger.Warn("id:%s cached counter vec labels dont match %v != %v", vecid, entry.Labels, labelNames)
+ return nil
+ }
+ valid := m.getFullName(prometheus.Opts(entry.Opts), labelValues)
+ if _, ok := cache_allcounters[valid]; !ok {
+ Logger.Debug("Register new counter from vector with opts: %v labelValues: %v", entry.Opts, labelValues)
+ cache_allcounters[valid] = entry.Vec.WithLabelValues(labelValues...)
+ }
+ return cache_allcounters[valid]
}
-func (m *Metrics) RegisterCounterVecGroup(opts []CounterOpts, labelNames []string, subsytem string) (c map[string]CounterVec) {
- c = make(map[string]CounterVec)
- for _, opt := range opts {
- entry := CounterVec{}
- entry.Opts = opt
- entry.Opts.Namespace = m.Namespace
- entry.Opts.Subsystem = subsytem
- entry.Vec = m.registerCounterVec(entry.Opts, labelNames)
- c[opt.Name] = entry
+//
+//
+//
+func (m *Metrics) RegisterLabeledCounterGroup(optsgroup []CounterOpts, labelNames []string, labelValues []string, subsytem string) map[string]Counter {
+ c := make(map[string]Counter)
+ for _, opts := range optsgroup {
+ c[opts.Name] = m.RegisterLabeledCounter(opts, labelNames, labelValues, subsytem)
}
- return
+ return c
}
-func (m *Metrics) GetCounterGroupFromVectsWithPrefix(prefix string, labels []string, vects ...map[string]CounterVec) (c map[string]Counter) {
+//
+//
+//
+func (m *Metrics) RegisterGauge(opts CounterOpts, subsytem string) Gauge {
globalLock.Lock()
defer globalLock.Unlock()
- c = make(map[string]Counter)
- for _, vec := range vects {
- for name, opt := range vec {
-
- id := m.getFullName(prometheus.Opts(opt.Opts), labels)
- if _, ok := cache_allcounters[id]; !ok {
- Logger.Info("Register new counter from vector with opts: %v labels: %v prefix: %s", opt.Opts, labels, prefix)
- cache_allcounters[id] = opt.Vec.WithLabelValues(labels...)
- }
- c[prefix+name] = cache_allcounters[id]
- }
+ opts.Namespace = m.Namespace
+ opts.Subsystem = subsytem
+ id := m.getFullName(prometheus.Opts(opts), []string{})
+ if _, ok := cache_allgaugevects[id]; ok {
+ Logger.Warn("Register new gauge with opts: %v, name conflicts existing gauge vector", opts)
+ return nil
}
- return
-}
-
-func (m *Metrics) GetCounterGroupFromVects(labels []string, vects ...map[string]CounterVec) (c map[string]Counter) {
- return m.GetCounterGroupFromVectsWithPrefix("", labels, vects...)
-}
-
-/*
- * Handling gauge vectors
- *
- * Example:
-
- vec := Metric.RegisterGaugeVecGroup(
- []CounterOpts{
- {Name: "gauge1", Help: "gauge1"},
- {Name: "gauge2", Help: "gauge2"},
- },
- []string{"host"},
- "SUBSYSTEM")
-
- stat:=Metric.GetGaugeGroupFromVects([]string{"localhost:8888"},vec)
-
-*/
-type GaugeVec struct {
- Vec *prometheus.GaugeVec
- Opts CounterOpts
-}
-
-func (m *Metrics) registerGaugeVec(opts CounterOpts, labelNames []string) *prometheus.GaugeVec {
- Logger.Info("Register new gauge vector with opts: %v labelNames: %v", opts, labelNames)
- return promauto.NewGaugeVec(prometheus.GaugeOpts(opts), labelNames)
+ if _, ok := cache_allgauges[id]; !ok {
+ Logger.Debug("Register new gauge with opts: %v", opts)
+ cache_allgauges[id] = promauto.NewGauge(prometheus.GaugeOpts(opts))
+ }
+ return cache_allgauges[id]
}
-func (m *Metrics) RegisterGaugeVecGroup(opts []CounterOpts, labelNames []string, subsytem string) (c map[string]GaugeVec) {
- c = make(map[string]GaugeVec)
- for _, opt := range opts {
- entry := GaugeVec{}
- entry.Opts = opt
- entry.Opts.Namespace = m.Namespace
- entry.Opts.Subsystem = subsytem
- entry.Vec = m.registerGaugeVec(entry.Opts, labelNames)
- c[opt.Name] = entry
-
+//
+//
+//
+func (m *Metrics) RegisterGaugeGroup(optsgroup []CounterOpts, subsytem string) map[string]Gauge {
+ c := make(map[string]Gauge)
+ for _, opts := range optsgroup {
+ c[opts.Name] = m.RegisterGauge(opts, subsytem)
}
- return
+ return c
}
-func (m *Metrics) GetGaugeGroupFromVectsWithPrefix(prefix string, labels []string, vects ...map[string]GaugeVec) (c map[string]Gauge) {
+//
+//
+//
+func (m *Metrics) RegisterLabeledGauge(opts CounterOpts, labelNames []string, labelValues []string, subsytem string) Gauge {
globalLock.Lock()
defer globalLock.Unlock()
- c = make(map[string]Gauge)
- for _, vec := range vects {
- for name, opt := range vec {
-
- id := m.getFullName(prometheus.Opts(opt.Opts), labels)
- if _, ok := cache_allgauges[id]; !ok {
- Logger.Info("Register new gauge from vector with opts: %v labels: %v prefix: %s", opt.Opts, labels, prefix)
- cache_allgauges[id] = opt.Vec.WithLabelValues(labels...)
- }
- c[prefix+name] = cache_allgauges[id]
- }
+ opts.Namespace = m.Namespace
+ opts.Subsystem = subsytem
+ vecid := m.getFullName(prometheus.Opts(opts), []string{})
+ if _, ok := cache_allgauges[vecid]; ok {
+ Logger.Warn("Register new gauge vector with opts: %v labelNames: %v, name conflicts existing counter", opts, labelNames)
+ return nil
+ }
+ if _, ok := cache_allgaugevects[vecid]; !ok {
+ Logger.Debug("Register new gauge vector with opts: %v labelNames: %v", opts, labelNames)
+ entry := GaugeVec{}
+ entry.Opts = opts
+ entry.Labels = labelNames
+ entry.Vec = promauto.NewGaugeVec(prometheus.GaugeOpts(entry.Opts), entry.Labels)
+ cache_allgaugevects[vecid] = entry
+ }
+ entry := cache_allgaugevects[vecid]
+ if strSliceCompare(entry.Labels, labelNames) == false {
+ Logger.Warn("id:%s cached gauge vec labels dont match %v != %v", vecid, entry.Labels, labelNames)
+ return nil
}
- return
+ valid := m.getFullName(prometheus.Opts(entry.Opts), labelValues)
+ if _, ok := cache_allgauges[valid]; !ok {
+ Logger.Debug("Register new gauge from vector with opts: %v labelValues: %v", entry.Opts, labelValues)
+ cache_allgauges[valid] = entry.Vec.WithLabelValues(labelValues...)
+ }
+ return cache_allgauges[valid]
}
-func (m *Metrics) GetGaugeGroupFromVects(labels []string, vects ...map[string]GaugeVec) (c map[string]Gauge) {
- return m.GetGaugeGroupFromVectsWithPrefix("", labels, vects...)
+//
+//
+//
+func (m *Metrics) RegisterLabeledGaugeGroup(optsgroup []CounterOpts, labelNames []string, labelValues []string, subsytem string) map[string]Gauge {
+ c := make(map[string]Gauge)
+ for _, opts := range optsgroup {
+ c[opts.Name] = m.RegisterLabeledGauge(opts, labelNames, labelValues, subsytem)
+ }
+ return c
}
Code Review / ric-plt / xapp-frame.git / blobdiff