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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package newrelic
import (
"encoding/json"
"strings"
"time"
"github.com/newrelic/go-agent/internal"
)
// appRun contains information regarding a single connection session with the
// collector. It is immutable after creation at application connect.
type appRun struct {
Reply *internal.ConnectReply
// AttributeConfig is calculated on every connect since it depends on
// the security policies.
AttributeConfig *internal.AttributeConfig
Config Config
// firstAppName is the value of Config.AppName up to the first semicolon.
firstAppName string
}
func newAppRun(config Config, reply *internal.ConnectReply) *appRun {
convertConfig := func(c AttributeDestinationConfig) internal.AttributeDestinationConfig {
return internal.AttributeDestinationConfig{
Enabled: c.Enabled,
Include: c.Include,
Exclude: c.Exclude,
}
}
run := &appRun{
Reply: reply,
AttributeConfig: internal.CreateAttributeConfig(internal.AttributeConfigInput{
Attributes: convertConfig(config.Attributes),
ErrorCollector: convertConfig(config.ErrorCollector.Attributes),
TransactionEvents: convertConfig(config.TransactionEvents.Attributes),
TransactionTracer: convertConfig(config.TransactionTracer.Attributes),
BrowserMonitoring: convertConfig(config.BrowserMonitoring.Attributes),
SpanEvents: convertConfig(config.SpanEvents.Attributes),
TraceSegments: convertConfig(config.TransactionTracer.Segments.Attributes),
}, reply.SecurityPolicies.AttributesInclude.Enabled()),
Config: config,
}
// Overwrite local settings with any server-side-config settings
// present. NOTE! This requires that the Config provided to this
// function is a value and not a pointer: We do not want to change the
// input Config with values particular to this connection.
if v := run.Reply.ServerSideConfig.TransactionTracerEnabled; nil != v {
run.Config.TransactionTracer.Enabled = *v
}
if v := run.Reply.ServerSideConfig.ErrorCollectorEnabled; nil != v {
run.Config.ErrorCollector.Enabled = *v
}
if v := run.Reply.ServerSideConfig.CrossApplicationTracerEnabled; nil != v {
run.Config.CrossApplicationTracer.Enabled = *v
}
if v := run.Reply.ServerSideConfig.TransactionTracerThreshold; nil != v {
switch val := v.(type) {
case float64:
run.Config.TransactionTracer.Threshold.IsApdexFailing = false
run.Config.TransactionTracer.Threshold.Duration = internal.FloatSecondsToDuration(val)
case string:
if val == "apdex_f" {
run.Config.TransactionTracer.Threshold.IsApdexFailing = true
}
}
}
if v := run.Reply.ServerSideConfig.TransactionTracerStackTraceThreshold; nil != v {
run.Config.TransactionTracer.StackTraceThreshold = internal.FloatSecondsToDuration(*v)
}
if v := run.Reply.ServerSideConfig.ErrorCollectorIgnoreStatusCodes; nil != v {
run.Config.ErrorCollector.IgnoreStatusCodes = v
}
if !run.Reply.CollectErrorEvents {
run.Config.ErrorCollector.CaptureEvents = false
}
if !run.Reply.CollectAnalyticsEvents {
run.Config.TransactionEvents.Enabled = false
}
if !run.Reply.CollectTraces {
run.Config.TransactionTracer.Enabled = false
run.Config.DatastoreTracer.SlowQuery.Enabled = false
}
if !run.Reply.CollectSpanEvents {
run.Config.SpanEvents.Enabled = false
}
// Distributed tracing takes priority over cross-app-tracing per:
// https://source.datanerd.us/agents/agent-specs/blob/master/Distributed-Tracing.md#distributed-trace-payload
if run.Config.DistributedTracer.Enabled {
run.Config.CrossApplicationTracer.Enabled = false
}
// Cache the first application name set on the config
run.firstAppName = strings.SplitN(config.AppName, ";", 2)[0]
if "" != run.Reply.RunID {
js, _ := json.Marshal(settings(run.Config))
run.Config.Logger.Debug("final configuration", map[string]interface{}{
"config": internal.JSONString(js),
})
}
return run
}
const (
// https://source.datanerd.us/agents/agent-specs/blob/master/Lambda.md#distributed-tracing
serverlessDefaultPrimaryAppID = "Unknown"
)
const (
// https://source.datanerd.us/agents/agent-specs/blob/master/Lambda.md#adaptive-sampling
serverlessSamplerPeriod = 60 * time.Second
serverlessSamplerTarget = 10
)
func newServerlessConnectReply(config Config) *internal.ConnectReply {
reply := internal.ConnectReplyDefaults()
reply.ApdexThresholdSeconds = config.ServerlessMode.ApdexThreshold.Seconds()
reply.AccountID = config.ServerlessMode.AccountID
reply.TrustedAccountKey = config.ServerlessMode.TrustedAccountKey
reply.PrimaryAppID = config.ServerlessMode.PrimaryAppID
if "" == reply.TrustedAccountKey {
// The trust key does not need to be provided by customers whose
// account ID is the same as the trust key.
reply.TrustedAccountKey = reply.AccountID
}
if "" == reply.PrimaryAppID {
reply.PrimaryAppID = serverlessDefaultPrimaryAppID
}
reply.AdaptiveSampler = internal.NewAdaptiveSampler(serverlessSamplerPeriod,
serverlessSamplerTarget, time.Now())
return reply
}
func (run *appRun) responseCodeIsError(code int) bool {
// Response codes below 100 are allowed to be errors to support gRPC.
if code < 400 && code >= 100 {
return false
}
for _, ignoreCode := range run.Config.ErrorCollector.IgnoreStatusCodes {
if code == ignoreCode {
return false
}
}
return true
}
func (run *appRun) txnTraceThreshold(apdexThreshold time.Duration) time.Duration {
if run.Config.TransactionTracer.Threshold.IsApdexFailing {
return internal.ApdexFailingThreshold(apdexThreshold)
}
return run.Config.TransactionTracer.Threshold.Duration
}
func (run *appRun) ptrTxnEvents() *uint { return run.Reply.EventData.Limits.TxnEvents }
func (run *appRun) ptrCustomEvents() *uint { return run.Reply.EventData.Limits.CustomEvents }
func (run *appRun) ptrErrorEvents() *uint { return run.Reply.EventData.Limits.ErrorEvents }
func (run *appRun) ptrSpanEvents() *uint { return run.Reply.EventData.Limits.SpanEvents }
func (run *appRun) MaxTxnEvents() int { return run.limit(run.Config.MaxTxnEvents(), run.ptrTxnEvents) }
func (run *appRun) MaxCustomEvents() int {
return run.limit(internal.MaxCustomEvents, run.ptrCustomEvents)
}
func (run *appRun) MaxErrorEvents() int {
return run.limit(internal.MaxErrorEvents, run.ptrErrorEvents)
}
func (run *appRun) MaxSpanEvents() int { return run.limit(internal.MaxSpanEvents, run.ptrSpanEvents) }
func (run *appRun) limit(dflt int, field func() *uint) int {
if nil != field() {
return int(*field())
}
return dflt
}
func (run *appRun) ReportPeriods() map[internal.HarvestTypes]time.Duration {
fixed := internal.HarvestMetricsTraces
configurable := internal.HarvestTypes(0)
for tp, fn := range map[internal.HarvestTypes]func() *uint{
internal.HarvestTxnEvents: run.ptrTxnEvents,
internal.HarvestCustomEvents: run.ptrCustomEvents,
internal.HarvestErrorEvents: run.ptrErrorEvents,
internal.HarvestSpanEvents: run.ptrSpanEvents,
} {
if nil != run && fn() != nil {
configurable |= tp
} else {
fixed |= tp
}
}
return map[internal.HarvestTypes]time.Duration{
configurable: run.Reply.ConfigurablePeriod(),
fixed: internal.FixedHarvestPeriod,
}
}
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