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Make prometheus monitoring optional #29

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merged 3 commits into from
Jul 19, 2018
Merged

Make prometheus monitoring optional #29

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eefee92
Making prometheus monitoring optional
Jul 19, 2018
7eab063
Disabling prometheus by default
Jul 19, 2018
d3757af
Fixing tests
Jul 19, 2018
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2 changes: 1 addition & 1 deletion agent/agent.go
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Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,7 @@ func NewAgent(
metricsReporters: metricsReporters,
}

// bindng session
// binding session
s := session.New(a, true)
metrics.ReportNumberOfConnectedClients(metricsReporters, session.SessionCount)
a.Session = s
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7 changes: 6 additions & 1 deletion app.go
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Expand Up @@ -140,7 +140,12 @@ func Configure(
app.metricsReporters = make([]metrics.Reporter, 0)

defaultTags := app.config.GetStringMapString("pitaya.metrics.tags")
AddMetricsReporter(metrics.GetPrometheusReporter(serverType, app.config.GetString("pitaya.game"), app.config.GetInt("pitaya.metrics.prometheus.port"), defaultTags))
if app.config.GetBool("pitaya.metrics.prometheus.enabled") {
logger.Log.Infof("prometheus is enabled, configuring the metrics reporter on port %d", app.config.GetInt("pitaya.metrics.prometheus.port"))
AddMetricsReporter(metrics.GetPrometheusReporter(serverType, app.config.GetString("pitaya.game"), app.config.GetInt("pitaya.metrics.prometheus.port"), defaultTags))
} else {
logger.Log.Info("prometheus is disabled, the metrics reporter will not be enabled")
}

if app.config.GetBool("pitaya.metrics.statsd.enabled") {
logger.Log.Infof("statsd is enabled, configuring the metrics reporter with host: %s", app.config.Get("pitaya.metrics.statsd.host"))
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1 change: 1 addition & 0 deletions config/config.go
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Expand Up @@ -88,6 +88,7 @@ func (c *Config) fillDefaultValues() {
"pitaya.metrics.statsd.prefix": "pitaya.",
"pitaya.metrics.statsd.rate": 1,
"pitaya.metrics.prometheus.port": 9090,
"pitaya.metrics.prometheus.enabled": false,
"pitaya.metrics.tags": map[string]string{},
}

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14 changes: 14 additions & 0 deletions metrics/constants.go
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@@ -0,0 +1,14 @@
package metrics

var (
// ResponseTime reports the response time of handlers and rpc
ResponseTime = "response_time_ns"
// ConnectedClients represents the number of current connected clients in frontend servers
ConnectedClients = "connected_clients"
// CountServers counts the number of servers of different types
CountServers = "count_servers"
// ChannelCapacity represents the capacity of a channel (available slots)
ChannelCapacity = "channel_capacity"
// DroppedMessages reports the number of dropped messages in rpc server (messages that will not be handled)
DroppedMessages = "dropped_messages"
)
12 changes: 1 addition & 11 deletions metrics/prometheus_reporter.go
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Expand Up @@ -31,16 +31,6 @@ import (
)

var (
// ResponseTime reports the response time of handlers and rpc
ResponseTime = "response_time_ns"
// ConnectedClients represents the number of current connected clients in frontend servers
ConnectedClients = "connected_clients"
// CountServers counts the number of servers of different types
CountServers = "count_servers"
// ChannelCapacity represents the capacity of a channel (available slots)
ChannelCapacity = "channel_capacity"
// DroppedMessages reports the number of dropped messages in rpc server (messages that will not be handled)
DroppedMessages = "dropped_messages"
prometheusReporter *PrometheusReporter
once sync.Once
)
Expand All @@ -58,7 +48,7 @@ func (p *PrometheusReporter) registerMetrics(constLabels map[string]string) {
constLabels["game"] = p.game
constLabels["serverType"] = p.serverType

// HanadlerResponseTimeMs summaary
// HandlerResponseTimeMs summary
p.summaryReportersMap[ResponseTime] = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Namespace: "pitaya",
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