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 Release notes are best read in our documentation at elastic.co

Unreleased

  • Deprecate http.request.socket.encrypted and stop recording it in module/apmhttp, module/apmgrpc and module/apmfiber. {pull}1129[#(1129)]

  • Collect and send span destination service timing statistics about the dropped spans to the apm-server. {pull}1132[#(1132)]

  • Experimental support to compress short exit spans into a composite span. Disabled by default. {pull}1134[#(1134)]

  • Discard exit spans shorter or equal than ELASTIC_APM_EXIT_SPAN_MIN_DURATION. Defaults to 1ms. {pull}1138[#(1138)]

  • module/apmprometheus: add support for mapping prometheus histograms. {pull}1145[#(1145)]

Go Agent version 1.x

1.14.0 - 2021/09/22

  • span: automatically infer destination.service.resource information when the span is an exit span and deprecate destination.service.name and destination.service.type {pull}1003[#(1003)]

  • module/apmhttp: add apmhttp.WithClientSpanType ClientOption to set the span type of http client requests {pull}1106[#(1106)]

  • module/apmazure: introduce instrumentation module for Azure blob, queue, and file storage {pull}1109[#(1109)]

  • module/apmelasticsearch: propagete Traceparent and Tracestate headers to Elasticsearch {pull}1002[#(1002)]

  • module/apmfiber: introduce instrumentation module for Fiber web framework {pull}999[#(999)]

  • module/apmawssdkgo: fix a bug where the module would panic when an unsupported service is used {pull}1006[#(1006)]

  • module/apmfasthttp: report the correct HTTP Status Code instead of always reporting 200 {pull}1104[#(1104)]

1.13.1 - 2021/08/05

  • Fix concurrency bugs in breakdown metrics and module/apmhttp.WithClientTrace {pull}997[#(997)]

1.13.0 - 2021/07/28

  • Prefer w3c traceparent header over legacy elastic-apm-traceparent {pull}963[#(963)]

  • Context.SetUsername now takes precedence over HTTP user info from Context.SetHTTPRequest {pull}973[#(973)]

  • module/apmhttp: fix a potential panic in WithClientTrace {pull}989[#(989)]

  • add support for go-restful v3 {pull}968[#(968)]

  • add fasthttp support {pull}957[#(957)]

  • module/apmgin: support multiple routes using the same handler {pull}983[#(983)]

  • add apm-server CA cert functionality {pull}982[#(982)]

1.12.0 - 2021/05/25

  • module/apmgrpc: fix status code to outcome mapping {pull}902[#(902)]

  • module/apmawssdkgo: add support for instrumenting s3 RPC calls {pull}927[#(927)]

  • module/apmawssdkgo: add support for instrumenting dynamodb RPC calls {pull}928[#(928)]

  • SpanContext.SetDestinationService is a no-op if either Name or Resource is empty {pull}931[#(931)]

  • module/apmawssdkgo: add support for instrumenting sqs RPC calls {pull}933[#(933)]

  • module/apmawssdkgo: add support for instrumenting sns RPC calls {pull}938[#(938)]

  • Parse "//" comments in SQL/CQL {pull}937[#(937)]

  • Fix CaptureError to capture the request body when ELASTIC_APM_CAPTURE_BODY is enabled {pull}906[#(906)]

  • module/apmgrpc: record underlying HTTP/2 context {pull}904[#(904)]

  • module/apmot: handle http.host tag as url.Host {pull}954[#(954)]

  • apm: add add ParentID methods to Span and Transaction {pull}956[#(956)]

1.11.0 - 2021/02/01

  • Make TRANSACTION_IGNORE_URLS dynamically configurable: {pull}872[#872]

1.10.0 - 2021/01/20

  • module/apmsql: add tracingDriver.Unwrap method to get underlying driver {pull}#849[#(849)]

  • module/apmgopgv10: add support for github.com/go-pg/pg/v10 {pull}857[(#857)]

  • Enable central configuration of "sanitize_field_names" {pull}856[(#856)]

  • module/apmgrpc: set span destination context {pull}861[(#861)]

1.9.0 - 2020/11/02

  • module/apmgoredisv8: introduce new package to support go-redis v8 {pull}780[#(780)]

  • module/apmhttp: introduce httptrace client option {pull}788[#(788)]

  • module/apmsql: add support for database/sql/driver.Validator {pull}791[#(791)]

  • Record sample rate on transactions and spans, propagate through tracestate {pull}804[#(804)]

  • module/apmredigo: change redigo dependency to v1.8.2 {pull}807[#(807)]

  • Deprecate IGNORE_URLS, replace with TRANSACTION_IGNORE_URLS {pull}811[(#811)]

  • Tracer.Close now waits for the transport goroutine to end before returning {pull}816[#(816)]

  • Relax Kubernetes pod UID discovery rules {pull}819[#(819)]

  • Add transaction and span outcome {pull}820[#(820)]

  • Add cloud metadata, configurable with ELASTIC_APM_CLOUD_PROVIDER {pull}823[#(823)]

  • Round ELASTIC_APM_SAMPLING_RATE with 4 digits precision {pull}828[#(828)]

  • module/apmhttp: implement io.ReaderFrom in wrapped http.ResponseWriter {pull}830[#(830)]

  • Fixed Transaction.Discard so that it sets TransactionData to nil {pull}836[#(836)]

  • module/apmsql/pgxv4: add support for pgx driver {pull}831[#(831)]

  • module/apmgormv2: add support for gorm.io (GORM v2) {pull}825[#(825)]

1.8.0 - 2020/05/06

  • Add "recording" config option, to dynamically disable event recording {pull}737[(#737)]

  • Enable central configuration of "stack_frames_min_duration" and "stack_trace_limit" {pull}742[(#742)]

  • Implement "CloseIdleConnections" on the Elasticsearch RoundTripper {pull}750[(#750)]

  • Fix apmot nil pointer dereference in Tracer.Inject {pull}763[(#763)]

1.7.2 - 2020/03/19

  • Update cucumber/godog to 0.8.1 {pull}733[(#733)]

1.7.1 - 2020/03/05

  • Fix segfault on 32-bit architectures {pull}728[(#728)]

1.7.0 - 2020/01/10

  • Add span.context.destination.* {pull}664[(#664)]

  • transport: fix Content-Type for pprof data {pull}679[(#679)]

  • Add "tracestate" propagation {pull}690[(#690)]

  • Add support for API Key auth {pull}698[(#698)]

  • module/apmsql: report rows affected {pull}700[(#700)]

1.6.0 - 2019/11/17

  • module/apmhttp: add WithClientRequestName option {pull}609[(#609)]

  • module/apmhttp: add WithPanicPropagation function {pull}611[(#611)]

  • module/apmgoredis: add Client.RedisClient {pull}613[(#613)]

  • Introduce apm.TraceFormatter, for formatting trace IDs {pull}635[(#635)]

  • Report error cause(s), add support for errors.Unwrap {pull}638[(#638)]

  • Setting ELASTIC_APM_TRANSACTION_MAX_SPANS to 0 now disables all spans {pull}640[(#640)]

  • module/apmzerolog: add Writer.MinLevel {pull}641[(#641)]

  • Introduce SetLabel and deprecate SetTag {pull}642[(#642)]

  • Support central config for ELASTIC_APM_CAPTURE_BODY and ELASTIC_APM_TRANSACTION_MAX_SPANS {pull}648[(#648)]

  • module/apmgorm: sql.ErrNoRows is no longer reported as an error {pull}645[(#645)]

  • Server URL path is cleaned/canonicalizsed in order to avoid 301 redirects {pull}658[(#658)]

  • context.request.socket.remote_address now reports the peer address {pull}662[(#662)]

  • Experimental support for periodic CPU/heap profiling {pull}666[(#666)]

  • module/apmnegroni: introduce tracing Negroni middleware {pull}671[(#671)]

  • Unescape hyphens in k8s pod UIDs when the systemd cgroup driver is used {pull}672[(#672)]

  • Read and propagate the standard W3C "traceparent" header {pull}674[(#674)]

1.5.0 - 2019/07/31

  • Add Context.SetCustom {pull}581[(#581)]

  • Add support for extracting UUID-like container IDs {pull}577[(#577)]

  • Introduce transaction/span breakdown metrics {pull}564[(#564)]

  • Optimised HTTP request body capture {pull}592[(#592)]

  • Fixed transaction encoding to drop tags (and other context) for non-sampled transactions {pull}593[(#593)]

  • Introduce central config polling {pull}591[(#591)]

  • Fixed apmgrpc client interceptor, propagating trace context for non-sampled transactions {pull}602[(#602)]

1.4.0 - 2019/06/20

  • Update opentracing-go dependency to v1.1.0

  • Update HTTP routers to return "<METHOD> unknown route" if route cannot be matched {pull}486[(#486)]

  • module/apmchi: introduce instrumentation for go-chi/chi router {pull}495[(#495)]

  • module/apmgoredis: introduce instrumentation for the go-redis/redis client {pull}505[(#505)]

  • module/apmsql: exposed the QuerySignature function {pull}515[(#515)]

  • module/apmgopg: introduce instrumentation for the go-pg/pg ORM {pull}516[(#516)]

  • module/apmmongo: set minimum Go version to Go 1.10 {pull}522[(#522)]

  • internal/sqlscanner: bug fix for multi-byte rune handling {pull}535[(#535)]

  • module/apmgrpc: added WithServerRequestIgnorer server option {pull}531[(#531)]

  • Introduce ELASTIC_APM_GLOBAL_LABELS config {pull}539[(#539)]

  • module/apmgorm: register row_query callbacks {pull}532[(#532)]

  • Introduce ELASTIC_APM_STACK_TRACE_LIMIT config {pull}559[(#559)]

  • Include agent name/version and Go version in User-Agent {pull}560[(#560)]

  • Truncate error.culprit at 1024 chars {pull}561[(#561)]

1.3.0 - 2019/03/20

  • Rename "metricset.labels" to "metricset.tags" {pull}438[(#438)]

  • Introduce ELASTIC_APM_DISABLE_METRICS to disable metrics with matching names {pull}439[(#439)]

  • module/apmelasticsearch: introduce instrumentation for Elasticsearch clients {pull}445[(#445)]

  • module/apmmongo: introduce instrumentation for the MongoDB Go Driver {pull}452[(#452)]

  • Introduce ErrorDetailer interface {pull}453[(#453)]

  • module/apmhttp: add CloseIdleConnectons and CancelRequest to RoundTripper {pull}457[(#457)]

  • Allow specifying transaction (span) ID via TransactionOptions/SpanOptions {pull}463[(#463)]

  • module/apmzerolog: introduce zerolog log correlation and exception-tracking writer {pull}428[(#428)]

  • module/apmelasticsearch: capture body for \_msearch, template and rollup search {pull}470[(#470)]

  • Ended Transactions/Spans may now be used as parents {pull}478[(#478)]

  • Introduce apm.DetachedContext for async/fire-and-forget trace propagation {pull}481[(#481)]

  • module/apmechov4: add a copy of apmecho supporting echo/v4 {pull}477[(#477)]

1.2.0 - 2019/01/17

  • Add "transaction.sampled" to errors {pull}410[(#410)]

  • Enforce license header in source files with go-licenser {pull}411[(#411)]

  • module/apmot: ignore "follows-from" span references {pull}414[(#414)]

  • module/apmot: report error log records {pull}415[(#415)]

  • Introduce ELASTIC_APM_CAPTURE_HEADERS to control HTTP header capture {pull}418[(#418)]

  • module/apmzap: introduce zap log correlation and exception-tracking hook {pull}426[(#426)]

  • type Error implements error interface {pull}399[(#399)]

  • Add "transaction.type" to errors {pull}433[(#433)]

  • Added instrumentation-specific Go modules (i.e. one for each package under apm/module) {pull}405[(#405)]

1.1.3 - 2019/01/06

  • Remove the agent.* metrics {pull}407[(#407)]

  • Add support for new github.com/pkg/errors.Frame type {pull}409[(#409)]

1.1.2 - 2019/01/03

  • Fix data race between Tracer.Active and Tracer.loop {pull}406[(#406)]

1.1.1 - 2018/12/13

  • CPU% metrics are now correctly in the range [0,1]

1.1.0 - 2018/12/12

  • Stop pooling Transaction/Span/Error, introduce internal pooled objects {pull}319[(#319)]

  • Enable metrics collection with default interval of 30s {pull}322[(#322)]

  • ELASTIC_APM_SERVER_CERT enables server certificate pinning {pull}325[(#325)]

  • Add Docker container ID to metadata {pull}330[(#330)]

  • Added distributed trace context propagation to apmgrpc {pull}335[(#335)]

  • Introduce Span.Subtype, Span.Action {pull}332[(#332)]

  • apm.StartSpanOptions fixed to stop ignoring options {pull}326[(#326)]

  • Add Kubernetes pod info to metadata {pull}342[(#342)]

  • module/apmsql: don’t report driver.ErrBadConn, context.Canceled (#346, #348)

  • Added ErrorLogRecord.Error field, for associating an error value with a log record {pull}380[(#380)]

  • module/apmlogrus: introduce logrus exception-tracking hook, and log correlation {pull}381[(#381)]

  • module/apmbeego: introduce Beego instrumentation module {pull}386[(#386)]

  • module/apmhttp: report status code for client spans {pull}388[(#388)]

1.0.0 - 2018/11/14

  • Implement v2 intake protocol {pull}180[(#180)]

  • Unexport Transaction.Timestamp and Span.Timestamp {pull}207[(#207)]

  • Add jitter (+/-10%) to backoff on transport error {pull}212[(#212)]

  • Add support for span tags {pull}213[(#213)]

  • Require units for size configuration {pull}223[(#223)]

  • Require units for duration configuration {pull}211[(#211)]

  • Add support for multiple server URLs with failover {pull}233[(#233)]

  • Add support for mixing OpenTracing spans with native transactions/spans {pull}235[(#235)]

  • Drop SetHTTPResponseHeadersSent and SetHTTPResponseFinished methods from Context {pull}238[(#238)]

  • Stop setting custom context (gin.handler) in apmgin {pull}238[(#238)]

  • Set response context in errors reported by web modules {pull}238[(#238)]

  • module/apmredigo: introduce gomodule/redigo instrumentation {pull}248[(#248)]

  • Update Sampler interface to take TraceContext {pull}243[(#243)]

  • Truncate SQL statements to a maximum of 10000 chars, all other strings to 1024 (#244, #276)

  • Add leading slash to URLs in transaction/span context {pull}250[(#250)]

  • Add Transaction.Context method for setting framework {pull}252[(#252)]

  • Timestamps are now reported as usec since epoch, spans no longer use "start" offset {pull}257[(#257)]

  • ELASTIC_APM_SANITIZE_FIELD_NAMES and ELASTIC_APM_IGNORE_URLS now use wildcard matching {pull}260[(#260)]

  • Changed top-level package name to "apm", and canonical import path to "go.elastic.co/apm" {pull}202[(#202)]

  • module/apmrestful: introduce emicklei/go-restful instrumentation {pull}270[(#270)]

  • Fix panic handling in web instrumentations {pull}273[(#273)]

  • Migrate internal/fastjson to go.elastic.co/fastjson {pull}275[(#275)]

  • Report all HTTP request/response headers {pull}280[(#280)]

  • Drop Context.SetCustom {pull}284[(#284)]

  • Reuse memory for tags {pull}286[(#286)]

  • Return a more helpful error message when /intake/v2/events 404s, to detect old servers {pull}290[(#290)]

  • Implement test service for w3c/distributed-tracing test harness {pull}293[(#293)]

  • End HTTP client spans on response body closure {pull}289[(#289)]

  • module/apmgrpc requires Go 1.9+ {pull}300[(#300)]

  • Invalid tag key characters are replaced with underscores {pull}308[(#308)]

  • ELASTIC_APM_LOG_FILE and ELASTIC_APM_LOG_LEVEL introduced {pull}313[(#313)]

Go Agent version 0.x

0.5.2 - 2018/09/19

  • Fixed premature Span.End() in apmgorm callback, causing a data-race with captured errors {pull}229[(#229)]

0.5.1 - 2018/09/05

  • Fixed a bug causing error stacktraces and culprit to sometimes not be set {pull}204[(#204)]

0.5.0 - 2018/08/27

  • ELASTIC_APM_SERVER_URL now defaults to "http://localhost:8200" {pull}122[(#122)]

  • Transport.SetUserAgent method added, enabling the User-Agent to be set programatically {pull}124[(#124)]

  • Inlined functions are now properly reported in stacktraces {pull}127[(#127)]

  • Support for the experimental metrics API added {pull}94[(#94)]

  • module/apmsql: SQL is parsed to generate more useful span names {pull}129[(#129)]

  • Basic vgo module added {pull}136[(#136)]

  • module/apmhttprouter: added a wrapper type for httprouter.Router to simplify adding routes {pull}140[(#140)]

  • Add Transaction.Context methods for setting user IDs {pull}144[(#144)]

  • module/apmgocql: new instrumentation module, providing an observer for gocql {pull}148[(#148)]

  • Add ELASTIC_APM_SERVER_TIMEOUT config {pull}157[(#157)]

  • Add ELASTIC_APM_IGNORE_URLS config {pull}158[(#158)]

  • module/apmsql: fix a bug preventing errors from being captured {pull}160[(#160)]

  • Introduce Tracer.StartTransactionOptions, drop variadic args from Tracer.StartTransaction {pull}165[(#165)]

  • module/apmgorm: introduce GORM instrumentation module (#169, #170)

  • module/apmhttp: record outgoing request URLs in span context {pull}172[(#172)]

  • module/apmot: introduce OpenTracing implementation {pull}173[(#173)]

0.4.0 - 2018/06/17

First release of the Go agent for Elastic APM