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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| ``` | ||
| calert_alerts_dispatched_errors_total{provider="google_chat", room="dev_alerts"} 1 | ||
| calert_alerts_dispatched_errors_total{provider="google_chat", room="prod_alerts"} 1 | ||
| calert_alerts_dispatched_total{provider="google_chat", room="dev_alerts"} 1 | ||
| calert_alerts_dispatched_total{provider="google_chat", room="prod_alerts"} 1 | ||
| calert_http_request_duration_seconds_bucket{handler="dispatch",vmrange="4.642e-01...5.275e-01"} 2 | ||
| calert_http_request_duration_seconds_sum{handler="dispatch"} 1.0370891740000001 | ||
| calert_http_request_duration_seconds_count{handler="dispatch"} 2 | ||
| calert_http_requests_total{handler="dispatch"} 2 | ||
| calert_start_timestamp 1645193338 | ||
| calert_uptime_seconds 34 | ||
| ``` | ||
|
|
||
| ``` | ||
| calert_alerts_dispatched_duration_seconds_bucket{provider="google_chat", room="dev_alerts",vmrange="1.292e+00...1.468e+00"} 1 | ||
| calert_alerts_dispatched_duration_seconds_sum{provider="google_chat", room="dev_alerts"} 1.372438907 | ||
| calert_alerts_dispatched_duration_seconds_count{provider="google_chat", room="dev_alerts"} 1 | ||
| calert_alerts_dispatched_duration_seconds_bucket{provider="google_chat", room="prod_alerts",vmrange="1.292e+00...1.468e+00"} 1 | ||
| calert_alerts_dispatched_duration_seconds_sum{provider="google_chat", room="prod_alerts"} 1.4265874539999999 | ||
| calert_alerts_dispatched_duration_seconds_count{provider="google_chat", room="prod_alerts"} 1 | ||
| calert_alerts_dispatched_total{provider="google_chat", room="dev_alerts"} 1 | ||
| calert_alerts_dispatched_total{provider="google_chat", room="prod_alerts"} 1 | ||
| calert_http_request_duration_seconds_bucket{handler="dispatch",vmrange="1.292e+00...1.468e+00"} 2 | ||
| calert_http_request_duration_seconds_sum{handler="dispatch"} 2.799676161 | ||
| calert_http_request_duration_seconds_count{handler="dispatch"} 2 | ||
| calert_http_requests_total{handler="dispatch"} 2 | ||
| calert_start_timestamp 1645193392 | ||
| calert_uptime_seconds 78 | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,71 @@ | ||
| // Package metrics contains wrapper around VictoriaMetrics | ||
| // functions to interact with counters, gauges etc. It also has functions | ||
| // to write the metrics output to to an `io.Writer` interface. | ||
| package metrics | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "time" | ||
|
|
||
| "github.com/VictoriaMetrics/metrics" | ||
| ) | ||
|
|
||
| // Manager represents options for storing metrics. | ||
| type Manager struct { | ||
| metrics *metrics.Set | ||
| namespace string // Optional string to prepend all label names. | ||
| startTime time.Time | ||
| } | ||
|
|
||
| // New returns a new configured instance of Manager. | ||
| func New(ns string) *Manager { | ||
| return &Manager{ | ||
| metrics: metrics.NewSet(), | ||
| namespace: ns, | ||
| startTime: time.Now(), | ||
| } | ||
| } | ||
|
|
||
| // Increment the counter for the corresponding key. | ||
| // This is used for Counter metric type. | ||
| func (s *Manager) Increment(label string) { | ||
| s.metrics.GetOrCreateCounter(s.getFormattedLabel(label)).Inc() | ||
| } | ||
|
|
||
| // Decrement the counter for the corresponding key. | ||
| // This is used for Counter metric type. | ||
| func (s *Manager) Decrement(label string) { | ||
| s.metrics.GetOrCreateCounter(s.getFormattedLabel(label)).Dec() | ||
| } | ||
|
|
||
| // Duration updates the key with time delta value of `startTime`. | ||
| // This is used for Histogram metric type. | ||
| func (s *Manager) Duration(label string, startTime time.Time) { | ||
| s.metrics.GetOrCreateHistogram(s.getFormattedLabel(label)).UpdateDuration(startTime) | ||
| } | ||
|
|
||
| // Set updates the key with a float64 value. | ||
| // This is used for Gauge metric type. | ||
| func (s *Manager) Set(label string, val float64) { | ||
| s.metrics.GetOrCreateFloatCounter(s.getFormattedLabel(label)).Set(val) | ||
| } | ||
|
|
||
| // FlushMetrics writes the metrics data from the internal store | ||
| // to the buffer. | ||
| func (s *Manager) FlushMetrics(buf io.Writer) { | ||
| metrics.WriteProcessMetrics(buf) | ||
| s.metrics.WritePrometheus(buf) | ||
|
|
||
| // Export start time and uptime in seconds | ||
| fmt.Fprintf(buf, "calert_start_timestamp %d\n", s.startTime.Unix()) | ||
| fmt.Fprintf(buf, "calert_uptime_seconds %d\n", int(time.Since(s.startTime).Seconds())) | ||
| } | ||
|
|
||
| // getFormattedLabel prefixes the label with namespace (if non empty). | ||
| func (s *Manager) getFormattedLabel(l string) string { | ||
| if s.namespace != "" { | ||
| return s.namespace + "_" + l | ||
| } | ||
| return l | ||
| } |
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