Open telemetry integration (#3972)
This PR adds opentelemetry and chi wrapper to have basic instrumentation <!--start release-notes-assistant--> ## Draft release notes <!--URL:https://codeberg.org/forgejo/forgejo--> - Features - [PR](https://codeberg.org/forgejo/forgejo/pulls/3972): <!--number 3972 --><!--line 0 --><!--description YWRkIHN1cHBvcnQgZm9yIGJhc2ljIHJlcXVlc3QgdHJhY2luZyB3aXRoIG9wZW50ZWxlbWV0cnk=-->add support for basic request tracing with opentelemetry<!--description--> <!--end release-notes-assistant--> Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/3972 Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org> Co-authored-by: TheFox0x7 <thefox0x7@gmail.com> Co-committed-by: TheFox0x7 <thefox0x7@gmail.com>
This commit is contained in:
TheFox0x7
Earl Warren
parent
7c74def6ff
commit
c738542201
@ -57,6 +57,10 @@ jobs:
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MINIO_DOMAIN: minio
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MINIO_ROOT_USER: 123456
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MINIO_ROOT_PASSWORD: 12345678
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jaeger:
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image: docker.io/jaegertracing/all-in-one:1.58
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env:
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COLLECTOR_OTLP_ENABLED: true
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steps:
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- uses: https://code.forgejo.org/actions/checkout@v3
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- uses: https://code.forgejo.org/actions/setup-go@v4
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@ -91,6 +95,7 @@ jobs:
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RACE_ENABLED: 'true'
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TAGS: bindata
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TEST_ELASTICSEARCH_URL: http://elasticsearch:9200
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TEST_OTEL_URL: http://jaeger:4317
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test-remote-cacher:
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if: ${{ !startsWith(vars.ROLE, 'forgejo-') }}
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runs-on: docker
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@ -17,6 +17,7 @@ linters:
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- nakedret
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- nolintlint
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- revive
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- spancheck
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- staticcheck
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- stylecheck
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- tenv
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79
assets/go-licenses.json
generated
79
assets/go-licenses.json
generated
File diff suppressed because one or more lines are too long
@ -2606,6 +2606,70 @@ LEVEL = Info
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;; Enable RPM re-signing by default. (It will overwrite the old signature ,using v4 format, not compatible with CentOS 6 or older)
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;DEFAULT_RPM_SIGN_ENABLED = false
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;[opentelemetry]
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; https://opentelemetry.io/docs/specs/otel/configuration/sdk-environment-variables/#general-sdk-configuration&ia=web
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;; Enable the feature, Inverse of OTEL_SDK_DISABLED
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;ENABLED = false
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;; Comma separated custom attributes for the application
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;RESOURCE_ATTRIBUTES =
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;; Service name for the application
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;SERVICE_NAME = forgejo
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;; Set sampler used by trace exporter, accepted values are:
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;; - `always_off` - never samples spans
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;; - `always_on` - always samples spans
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;; - `traceidratio` - samples based on given ratio given in SAMPLER_ARG
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;; - `parentbased_always_off` - samples based on parent span, never samples spans without parent spans
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;; - `parentbased_always_on` - samples based on parent span, always samples spans without parent spans
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;; - `parentbased_traceidratio` - samples based on parent span, samples spans without parent spans on given ratio given in SAMPLER_ARG
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;TRACES_SAMPLER = parentbased_always_on
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;; Argument for the sampler, only applies to traceidratio based samplers
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;; `traceidratio` expects a value between 0-1 based on which it samples (`0` it acts like `always_off`, `1` like `always_on`)
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;TRACES_SAMPLER_ARG =
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;; https://opentelemetry.io/docs/specs/otel/configuration/sdk-environment-variables/#exporter-selection
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;; Controls the exporter used to send data, set to `none` to fully disable the signal
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;TRACES_EXPORTER=otlp
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;; Active decoders for attributes, available values:
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;; - `sdk` - adds information about opentelemetry sdk used
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;; - `process` - adds information about the process
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;; - `os` - adds information about the OS forgejo is running on
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;; - `host` - adds information about the host forgejo is running on
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;; This setting is non-standard and subject to changes!
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;RESOURCE_DETECTORS = host,process
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;[opentelemetry.exporter.otlp]
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; https://opentelemetry.io/docs/specs/otel/protocol/exporter/#configuration-options
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;; Target URL to which the exporter is going to send spans, metrics, or logs.
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;ENDPOINT=http://localhost:4318
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;; The trusted certificate to use when verifying a server’s TLS credentials. Should only be used for a secure connection.
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;CERTIFICATE=
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;; Client certificate/chain trust for clients private key to use in mTLS communication in PEM format.
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;CLIENT_CERTIFICATE=
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;; Clients private key to use in mTLS communication in PEM format.
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;CLIENT_KEY=
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;; Compression key for supported compression types. Supported compression: `gzip`.
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;COMPRESSION=
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;; Key-value pairs to be used as headers associated with gRPC or HTTP requests
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;HEADERS=
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;; The transport protocol. Options MUST be one of: `grpc`, or `http/protobuf`
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;PROTOCOL=http/protobuf
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;; Maximum time the OTLP exporter will wait for each batch export.
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;TIMEOUT=10s
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; default storage for attachments, lfs and avatars
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16
go.mod
16
go.mod
@ -45,6 +45,7 @@ require (
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github.com/go-git/go-billy/v5 v5.5.0
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github.com/go-git/go-git/v5 v5.11.0
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github.com/go-ldap/ldap/v3 v3.4.6
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github.com/go-logr/logr v1.4.1
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github.com/go-sql-driver/mysql v1.8.1
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github.com/go-swagger/go-swagger v0.30.5
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github.com/go-testfixtures/testfixtures/v3 v3.12.0
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@ -86,6 +87,7 @@ require (
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github.com/prometheus/client_golang v1.18.0
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github.com/quasoft/websspi v1.1.2
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github.com/redis/go-redis/v9 v9.5.2
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github.com/riandyrn/otelchi v0.8.0
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github.com/robfig/cron/v3 v3.0.1
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github.com/santhosh-tekuri/jsonschema/v6 v6.0.1
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github.com/sassoftware/go-rpmutils v0.4.0
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@ -100,6 +102,10 @@ require (
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github.com/yohcop/openid-go v1.0.1
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github.com/yuin/goldmark v1.7.4
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github.com/yuin/goldmark-highlighting/v2 v2.0.0-20230729083705-37449abec8cc
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go.opentelemetry.io/otel v1.27.0
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go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.22.0
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go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.27.0
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go.opentelemetry.io/otel/sdk v1.27.0
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go.uber.org/mock v0.4.0
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golang.org/x/crypto v0.25.0
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golang.org/x/image v0.18.0
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@ -159,6 +165,7 @@ require (
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github.com/boombuler/barcode v1.0.1 // indirect
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github.com/bradfitz/gomemcache v0.0.0-20230905024940-24af94b03874 // indirect
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github.com/caddyserver/zerossl v0.1.2 // indirect
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github.com/cenkalti/backoff/v4 v4.3.0 // indirect
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github.com/cention-sany/utf7 v0.0.0-20170124080048-26cad61bd60a // indirect
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github.com/cespare/xxhash/v2 v2.3.0 // indirect
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github.com/cloudflare/circl v1.3.8 // indirect
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@ -182,6 +189,7 @@ require (
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github.com/go-faster/errors v0.7.1 // indirect
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github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
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github.com/go-ini/ini v1.67.0 // indirect
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github.com/go-logr/stdr v1.2.2 // indirect
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github.com/go-openapi/analysis v0.22.2 // indirect
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github.com/go-openapi/errors v0.21.0 // indirect
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github.com/go-openapi/inflect v0.19.0 // indirect
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@ -208,6 +216,7 @@ require (
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github.com/gorilla/handlers v1.5.2 // indirect
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github.com/gorilla/mux v1.8.1 // indirect
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github.com/gorilla/securecookie v1.1.2 // indirect
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github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
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github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542 // indirect
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github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
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github.com/hashicorp/go-retryablehttp v0.7.7 // indirect
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@ -279,8 +288,10 @@ require (
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github.com/zeebo/blake3 v0.2.3 // indirect
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go.etcd.io/bbolt v1.3.9 // indirect
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go.mongodb.org/mongo-driver v1.13.1 // indirect
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go.opentelemetry.io/otel v1.26.0 // indirect
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go.opentelemetry.io/otel/trace v1.26.0 // indirect
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go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.27.0 // indirect
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go.opentelemetry.io/otel/metric v1.27.0 // indirect
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go.opentelemetry.io/otel/trace v1.27.0 // indirect
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go.opentelemetry.io/proto/otlp v1.2.0 // indirect
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go.uber.org/atomic v1.11.0 // indirect
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go.uber.org/multierr v1.11.0 // indirect
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go.uber.org/zap v1.27.0 // indirect
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@ -288,6 +299,7 @@ require (
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golang.org/x/mod v0.19.0 // indirect
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golang.org/x/sync v0.7.0 // indirect
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golang.org/x/time v0.5.0 // indirect
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google.golang.org/genproto/googleapis/api v0.0.0-20240528184218-531527333157 // indirect
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google.golang.org/genproto/googleapis/rpc v0.0.0-20240528184218-531527333157 // indirect
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gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
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gopkg.in/warnings.v0 v0.1.2 // indirect
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33
go.sum
33
go.sum
@ -149,6 +149,8 @@ github.com/caddyserver/certmagic v0.21.0 h1:yDoifClc4hIxhHer3AxUj4buhF+NzRR6torw
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github.com/caddyserver/certmagic v0.21.0/go.mod h1:OgUZNXYV/ylYoFJNmoYVR5nntydLNMQISePPgqZTyhc=
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github.com/caddyserver/zerossl v0.1.2 h1:tlEu1VzWGoqcCpivs9liKAKhfpJWYJkHEMmlxRbVAxE=
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github.com/caddyserver/zerossl v0.1.2/go.mod h1:wtiJEHbdvunr40ZzhXlnIkOB8Xj4eKtBKizCcZitJiQ=
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github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
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github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
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github.com/cention-sany/utf7 v0.0.0-20170124080048-26cad61bd60a h1:MISbI8sU/PSK/ztvmWKFcI7UGb5/HQT7B+i3a2myKgI=
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github.com/cention-sany/utf7 v0.0.0-20170124080048-26cad61bd60a/go.mod h1:2GxOXOlEPAMFPfp014mK1SWq8G8BN8o7/dfYqJrVGn8=
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github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
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@ -271,6 +273,11 @@ github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
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github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
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github.com/go-ldap/ldap/v3 v3.4.6 h1:ert95MdbiG7aWo/oPYp9btL3KJlMPKnP58r09rI8T+A=
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github.com/go-ldap/ldap/v3 v3.4.6/go.mod h1:IGMQANNtxpsOzj7uUAMjpGBaOVTC4DYyIy8VsTdxmtc=
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github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
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github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
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github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
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github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
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github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
|
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github.com/go-openapi/analysis v0.22.2 h1:ZBmNoP2h5omLKr/srIC9bfqrUGzT6g6gNv03HE9Vpj0=
|
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github.com/go-openapi/analysis v0.22.2/go.mod h1:pDF4UbZsQTo/oNuRfAWWd4dAh4yuYf//LYorPTjrpvo=
|
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github.com/go-openapi/errors v0.21.0 h1:FhChC/duCnfoLj1gZ0BgaBmzhJC2SL/sJr8a2vAobSY=
|
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@ -396,6 +403,8 @@ github.com/gorilla/securecookie v1.1.2/go.mod h1:NfCASbcHqRSY+3a8tlWJwsQap2VX5pw
|
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github.com/gorilla/sessions v1.2.0/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
|
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github.com/gorilla/sessions v1.2.2 h1:lqzMYz6bOfvn2WriPUjNByzeXIlVzURcPmgMczkmTjY=
|
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github.com/gorilla/sessions v1.2.2/go.mod h1:ePLdVu+jbEgHH+KWw8I1z2wqd0BAdAQh/8LRvBeoNcQ=
|
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github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 h1:bkypFPDjIYGfCYD5mRBvpqxfYX1YCS1PXdKYWi8FsN0=
|
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github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0/go.mod h1:P+Lt/0by1T8bfcF3z737NnSbmxQAppXMRziHUxPOC8k=
|
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github.com/h2non/gock v1.2.0 h1:K6ol8rfrRkUOefooBC8elXoaNGYkpp7y2qcxGG6BzUE=
|
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github.com/h2non/gock v1.2.0/go.mod h1:tNhoxHYW2W42cYkYb1WqzdbYIieALC99kpYr7rH/BQk=
|
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github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542 h1:2VTzZjLZBgl62/EtslCrtky5vbi9dd7HrQPQIx6wqiw=
|
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@ -612,6 +621,8 @@ github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6O
|
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github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
|
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github.com/rhysd/actionlint v1.6.27 h1:xxwe8YmveBcC8lydW6GoHMGmB6H/MTqUU60F2p10wjw=
|
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github.com/rhysd/actionlint v1.6.27/go.mod h1:m2nFUjAnOrxCMXuOMz9evYBRCLUsMnKY2IJl/N5umbk=
|
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github.com/riandyrn/otelchi v0.8.0 h1:q60HKpwt1MmGjOWgM7m5gGyXYAY3DfTSdfBdBt6ICV4=
|
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github.com/riandyrn/otelchi v0.8.0/go.mod h1:ErTae2TG7lrOtEPFsd5/hYLOHJpkk0NNyMaeTMWxl0U=
|
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github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
|
||||
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
|
||||
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
|
||||
@ -751,10 +762,22 @@ go.etcd.io/bbolt v1.3.9/go.mod h1:zaO32+Ti0PK1ivdPtgMESzuzL2VPoIG1PCQNvOdo/dE=
|
||||
go.mongodb.org/mongo-driver v1.11.4/go.mod h1:PTSz5yu21bkT/wXpkS7WR5f0ddqw5quethTUn9WM+2g=
|
||||
go.mongodb.org/mongo-driver v1.13.1 h1:YIc7HTYsKndGK4RFzJ3covLz1byri52x0IoMB0Pt/vk=
|
||||
go.mongodb.org/mongo-driver v1.13.1/go.mod h1:wcDf1JBCXy2mOW0bWHwO/IOYqdca1MPCwDtFu/Z9+eo=
|
||||
go.opentelemetry.io/otel v1.26.0 h1:LQwgL5s/1W7YiiRwxf03QGnWLb2HW4pLiAhaA5cZXBs=
|
||||
go.opentelemetry.io/otel v1.26.0/go.mod h1:UmLkJHUAidDval2EICqBMbnAd0/m2vmpf/dAM+fvFs4=
|
||||
go.opentelemetry.io/otel/trace v1.26.0 h1:1ieeAUb4y0TE26jUFrCIXKpTuVK7uJGN9/Z/2LP5sQA=
|
||||
go.opentelemetry.io/otel/trace v1.26.0/go.mod h1:4iDxvGDQuUkHve82hJJ8UqrwswHYsZuWCBllGV2U2y0=
|
||||
go.opentelemetry.io/otel v1.27.0 h1:9BZoF3yMK/O1AafMiQTVu0YDj5Ea4hPhxCs7sGva+cg=
|
||||
go.opentelemetry.io/otel v1.27.0/go.mod h1:DMpAK8fzYRzs+bi3rS5REupisuqTheUlSZJ1WnZaPAQ=
|
||||
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.27.0 h1:R9DE4kQ4k+YtfLI2ULwX82VtNQ2J8yZmA7ZIF/D+7Mc=
|
||||
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.27.0/go.mod h1:OQFyQVrDlbe+R7xrEyDr/2Wr67Ol0hRUgsfA+V5A95s=
|
||||
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.22.0 h1:H2JFgRcGiyHg7H7bwcwaQJYrNFqCqrbTQ8K4p1OvDu8=
|
||||
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.22.0/go.mod h1:WfCWp1bGoYK8MeULtI15MmQVczfR+bFkk0DF3h06QmQ=
|
||||
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.27.0 h1:QY7/0NeRPKlzusf40ZE4t1VlMKbqSNT7cJRYzWuja0s=
|
||||
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.27.0/go.mod h1:HVkSiDhTM9BoUJU8qE6j2eSWLLXvi1USXjyd2BXT8PY=
|
||||
go.opentelemetry.io/otel/metric v1.27.0 h1:hvj3vdEKyeCi4YaYfNjv2NUje8FqKqUY8IlF0FxV/ik=
|
||||
go.opentelemetry.io/otel/metric v1.27.0/go.mod h1:mVFgmRlhljgBiuk/MP/oKylr4hs85GZAylncepAX/ak=
|
||||
go.opentelemetry.io/otel/sdk v1.27.0 h1:mlk+/Y1gLPLn84U4tI8d3GNJmGT/eXe3ZuOXN9kTWmI=
|
||||
go.opentelemetry.io/otel/sdk v1.27.0/go.mod h1:Ha9vbLwJE6W86YstIywK2xFfPjbWlCuwPtMkKdz/Y4A=
|
||||
go.opentelemetry.io/otel/trace v1.27.0 h1:IqYb813p7cmbHk0a5y6pD5JPakbVfftRXABGt5/Rscw=
|
||||
go.opentelemetry.io/otel/trace v1.27.0/go.mod h1:6RiD1hkAprV4/q+yd2ln1HG9GoPx39SuvvstaLBl+l4=
|
||||
go.opentelemetry.io/proto/otlp v1.2.0 h1:pVeZGk7nXDC9O2hncA6nHldxEjm6LByfA2aN8IOkz94=
|
||||
go.opentelemetry.io/proto/otlp v1.2.0/go.mod h1:gGpR8txAl5M03pDhMC79G6SdqNV26naRm/KDsgaHD8A=
|
||||
go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
|
||||
go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
|
||||
go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
|
||||
@ -902,6 +925,8 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
|
||||
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
|
||||
google.golang.org/genproto/googleapis/api v0.0.0-20240528184218-531527333157 h1:7whR9kGa5LUwFtpLm2ArCEejtnxlGeLbAyjFY8sGNFw=
|
||||
google.golang.org/genproto/googleapis/api v0.0.0-20240528184218-531527333157/go.mod h1:99sLkeliLXfdj2J75X3Ho+rrVCaJze0uwN7zDDkjPVU=
|
||||
google.golang.org/genproto/googleapis/rpc v0.0.0-20240528184218-531527333157 h1:Zy9XzmMEflZ/MAaA7vNcoebnRAld7FsPW1EeBB7V0m8=
|
||||
google.golang.org/genproto/googleapis/rpc v0.0.0-20240528184218-531527333157/go.mod h1:EfXuqaE1J41VCDicxHzUDm+8rk+7ZdXzHV0IhO/I6s0=
|
||||
google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
|
||||
|
||||
96
modules/opentelemetry/otel.go
Normal file
96
modules/opentelemetry/otel.go
Normal file
@ -0,0 +1,96 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package opentelemetry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/tls"
|
||||
"crypto/x509"
|
||||
"fmt"
|
||||
"os"
|
||||
|
||||
"code.gitea.io/gitea/modules/graceful"
|
||||
"code.gitea.io/gitea/modules/log"
|
||||
|
||||
"github.com/go-logr/logr/funcr"
|
||||
"go.opentelemetry.io/otel"
|
||||
"go.opentelemetry.io/otel/propagation"
|
||||
)
|
||||
|
||||
func Init(ctx context.Context) error {
|
||||
// Redirect otel logger to write to common forgejo log at info
|
||||
logWrap := funcr.New(func(prefix, args string) {
|
||||
log.Info(fmt.Sprint(prefix, args))
|
||||
}, funcr.Options{})
|
||||
otel.SetLogger(logWrap)
|
||||
// Redirect error handling to forgejo log as well
|
||||
otel.SetErrorHandler(otel.ErrorHandlerFunc(func(cause error) {
|
||||
log.Error("internal opentelemetry error was raised: %s", cause)
|
||||
}))
|
||||
var shutdownFuncs []func(context.Context) error
|
||||
shutdownCtx := context.Background()
|
||||
|
||||
otel.SetTextMapPropagator(newPropagator())
|
||||
|
||||
res, err := newResource(ctx)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
traceShutdown, err := setupTraceProvider(ctx, res)
|
||||
if err != nil {
|
||||
log.Warn("OpenTelemetry trace setup failed, err=%s", err)
|
||||
} else {
|
||||
shutdownFuncs = append(shutdownFuncs, traceShutdown)
|
||||
}
|
||||
|
||||
graceful.GetManager().RunAtShutdown(ctx, func() {
|
||||
for _, fn := range shutdownFuncs {
|
||||
if err := fn(shutdownCtx); err != nil {
|
||||
log.Warn("exporter shutdown failed, err=%s", err)
|
||||
}
|
||||
}
|
||||
shutdownFuncs = nil
|
||||
})
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func newPropagator() propagation.TextMapPropagator {
|
||||
return propagation.NewCompositeTextMapPropagator(
|
||||
propagation.TraceContext{},
|
||||
propagation.Baggage{},
|
||||
)
|
||||
}
|
||||
|
||||
func withCertPool(path string, tlsConf *tls.Config) {
|
||||
if path == "" {
|
||||
return
|
||||
}
|
||||
b, err := os.ReadFile(path)
|
||||
if err != nil {
|
||||
log.Warn("Otel: reading ca cert failed path=%s, err=%s", path, err)
|
||||
return
|
||||
}
|
||||
cp := x509.NewCertPool()
|
||||
if ok := cp.AppendCertsFromPEM(b); !ok {
|
||||
log.Warn("Otel: no valid PEM certificate found path=%s", path)
|
||||
return
|
||||
}
|
||||
tlsConf.RootCAs = cp
|
||||
}
|
||||
|
||||
func withClientCert(nc, nk string, tlsConf *tls.Config) {
|
||||
if nc == "" || nk == "" {
|
||||
return
|
||||
}
|
||||
|
||||
crt, err := tls.LoadX509KeyPair(nc, nk)
|
||||
if err != nil {
|
||||
log.Warn("Otel: create tls client key pair failed")
|
||||
return
|
||||
}
|
||||
|
||||
tlsConf.Certificates = append(tlsConf.Certificates, crt)
|
||||
}
|
||||
121
modules/opentelemetry/otel_test.go
Normal file
121
modules/opentelemetry/otel_test.go
Normal file
@ -0,0 +1,121 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package opentelemetry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/ed25519"
|
||||
"crypto/rand"
|
||||
"crypto/tls"
|
||||
"crypto/x509"
|
||||
"crypto/x509/pkix"
|
||||
"encoding/pem"
|
||||
"math/big"
|
||||
"net"
|
||||
"os"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
"code.gitea.io/gitea/modules/test"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"go.opentelemetry.io/otel"
|
||||
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
||||
"go.opentelemetry.io/otel/sdk/trace/tracetest"
|
||||
)
|
||||
|
||||
func TestNoopDefault(t *testing.T) {
|
||||
inMem := tracetest.NewInMemoryExporter()
|
||||
called := false
|
||||
exp := func(ctx context.Context) (sdktrace.SpanExporter, error) {
|
||||
called = true
|
||||
return inMem, nil
|
||||
}
|
||||
exporter["inmemory"] = exp
|
||||
t.Cleanup(func() {
|
||||
delete(exporter, "inmemory")
|
||||
})
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.Traces, "inmemory")
|
||||
|
||||
ctx := context.Background()
|
||||
require.NoError(t, Init(ctx))
|
||||
tracer := otel.Tracer("test_noop")
|
||||
|
||||
_, span := tracer.Start(ctx, "test span")
|
||||
defer span.End()
|
||||
|
||||
assert.False(t, span.SpanContext().HasTraceID())
|
||||
assert.False(t, span.SpanContext().HasSpanID())
|
||||
assert.False(t, called)
|
||||
}
|
||||
|
||||
func generateTestTLS(t *testing.T, path, host string) *tls.Config {
|
||||
_, priv, err := ed25519.GenerateKey(rand.Reader)
|
||||
require.NoError(t, err, "Failed to generate private key: %v", err)
|
||||
|
||||
keyUsage := x509.KeyUsageDigitalSignature
|
||||
|
||||
notBefore := time.Now()
|
||||
notAfter := notBefore.Add(time.Hour)
|
||||
|
||||
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
|
||||
serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
|
||||
require.NoError(t, err, "Failed to generate serial number: %v", err)
|
||||
|
||||
template := x509.Certificate{
|
||||
SerialNumber: serialNumber,
|
||||
Subject: pkix.Name{
|
||||
Organization: []string{"Forgejo Testing"},
|
||||
},
|
||||
NotBefore: notBefore,
|
||||
NotAfter: notAfter,
|
||||
|
||||
KeyUsage: keyUsage,
|
||||
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
|
||||
BasicConstraintsValid: true,
|
||||
}
|
||||
|
||||
hosts := strings.Split(host, ",")
|
||||
for _, h := range hosts {
|
||||
if ip := net.ParseIP(h); ip != nil {
|
||||
template.IPAddresses = append(template.IPAddresses, ip)
|
||||
} else {
|
||||
template.DNSNames = append(template.DNSNames, h)
|
||||
}
|
||||
}
|
||||
|
||||
derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, priv.Public(), priv)
|
||||
require.NoError(t, err, "Failed to create certificate: %v", err)
|
||||
|
||||
certOut, err := os.Create(path + "/cert.pem")
|
||||
require.NoError(t, err, "Failed to open cert.pem for writing: %v", err)
|
||||
|
||||
if err := pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil {
|
||||
t.Fatalf("Failed to write data to cert.pem: %v", err)
|
||||
}
|
||||
if err := certOut.Close(); err != nil {
|
||||
t.Fatalf("Error closing cert.pem: %v", err)
|
||||
}
|
||||
keyOut, err := os.OpenFile(path+"/key.pem", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o600)
|
||||
require.NoError(t, err, "Failed to open key.pem for writing: %v", err)
|
||||
|
||||
privBytes, err := x509.MarshalPKCS8PrivateKey(priv)
|
||||
require.NoError(t, err, "Unable to marshal private key: %v", err)
|
||||
|
||||
if err := pem.Encode(keyOut, &pem.Block{Type: "PRIVATE KEY", Bytes: privBytes}); err != nil {
|
||||
t.Fatalf("Failed to write data to key.pem: %v", err)
|
||||
}
|
||||
if err := keyOut.Close(); err != nil {
|
||||
t.Fatalf("Error closing key.pem: %v", err)
|
||||
}
|
||||
serverCert, err := tls.LoadX509KeyPair(path+"/cert.pem", path+"/key.pem")
|
||||
require.NoError(t, err, "failed to load the key pair")
|
||||
return &tls.Config{
|
||||
Certificates: []tls.Certificate{serverCert},
|
||||
ClientAuth: tls.RequireAnyClientCert,
|
||||
}
|
||||
}
|
||||
90
modules/opentelemetry/resource.go
Normal file
90
modules/opentelemetry/resource.go
Normal file
@ -0,0 +1,90 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package opentelemetry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net/url"
|
||||
"strings"
|
||||
|
||||
"code.gitea.io/gitea/modules/log"
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
|
||||
"go.opentelemetry.io/otel/attribute"
|
||||
"go.opentelemetry.io/otel/sdk/resource"
|
||||
semconv "go.opentelemetry.io/otel/semconv/v1.25.0"
|
||||
)
|
||||
|
||||
const (
|
||||
decoderTelemetrySdk = "sdk"
|
||||
decoderProcess = "process"
|
||||
decoderOS = "os"
|
||||
decoderHost = "host"
|
||||
)
|
||||
|
||||
func newResource(ctx context.Context) (*resource.Resource, error) {
|
||||
opts := []resource.Option{
|
||||
resource.WithAttributes(parseSettingAttributes(setting.OpenTelemetry.ResourceAttributes)...),
|
||||
}
|
||||
opts = append(opts, parseDecoderOpts()...)
|
||||
opts = append(opts, resource.WithAttributes(
|
||||
semconv.ServiceName(setting.OpenTelemetry.ServiceName),
|
||||
semconv.ServiceVersion(setting.ForgejoVersion),
|
||||
))
|
||||
return resource.New(ctx, opts...)
|
||||
}
|
||||
|
||||
func parseDecoderOpts() []resource.Option {
|
||||
var opts []resource.Option
|
||||
for _, v := range strings.Split(setting.OpenTelemetry.ResourceDetectors, ",") {
|
||||
switch v {
|
||||
case decoderTelemetrySdk:
|
||||
opts = append(opts, resource.WithTelemetrySDK())
|
||||
case decoderProcess:
|
||||
opts = append(opts, resource.WithProcess())
|
||||
case decoderOS:
|
||||
opts = append(opts, resource.WithOS())
|
||||
case decoderHost:
|
||||
opts = append(opts, resource.WithHost())
|
||||
case "": // Don't warn on empty string
|
||||
default:
|
||||
log.Warn("Ignoring unknown resource decoder option: %s", v)
|
||||
}
|
||||
}
|
||||
return opts
|
||||
}
|
||||
|
||||
func parseSettingAttributes(s string) []attribute.KeyValue {
|
||||
var attrs []attribute.KeyValue
|
||||
rawAttrs := strings.TrimSpace(s)
|
||||
|
||||
if rawAttrs == "" {
|
||||
return attrs
|
||||
}
|
||||
|
||||
pairs := strings.Split(rawAttrs, ",")
|
||||
|
||||
var invalid []string
|
||||
for _, p := range pairs {
|
||||
k, v, found := strings.Cut(p, "=")
|
||||
if !found {
|
||||
invalid = append(invalid, p)
|
||||
continue
|
||||
}
|
||||
key := strings.TrimSpace(k)
|
||||
val, err := url.PathUnescape(strings.TrimSpace(v))
|
||||
if err != nil {
|
||||
// Retain original value if decoding fails, otherwise it will be
|
||||
// an empty string.
|
||||
val = v
|
||||
log.Warn("Otel resource attribute decoding error, retaining unescaped value. key=%s, val=%s", key, val)
|
||||
}
|
||||
attrs = append(attrs, attribute.String(key, val))
|
||||
}
|
||||
if len(invalid) > 0 {
|
||||
log.Warn("Partial resource, missing values: %v", invalid)
|
||||
}
|
||||
|
||||
return attrs
|
||||
}
|
||||
73
modules/opentelemetry/resource_test.go
Normal file
73
modules/opentelemetry/resource_test.go
Normal file
@ -0,0 +1,73 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package opentelemetry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"slices"
|
||||
"testing"
|
||||
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
"code.gitea.io/gitea/modules/test"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"go.opentelemetry.io/otel/attribute"
|
||||
"go.opentelemetry.io/otel/sdk/resource"
|
||||
semconv "go.opentelemetry.io/otel/semconv/v1.25.0"
|
||||
)
|
||||
|
||||
func TestResourceServiceName(t *testing.T) {
|
||||
ctx := context.Background()
|
||||
|
||||
resource, err := newResource(ctx)
|
||||
require.NoError(t, err)
|
||||
serviceKeyIdx := slices.IndexFunc(resource.Attributes(), func(v attribute.KeyValue) bool {
|
||||
return v.Key == semconv.ServiceNameKey
|
||||
})
|
||||
require.NotEqual(t, -1, serviceKeyIdx)
|
||||
|
||||
assert.Equal(t, "forgejo", resource.Attributes()[serviceKeyIdx].Value.AsString())
|
||||
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.ServiceName, "non-default value")()
|
||||
resource, err = newResource(ctx)
|
||||
require.NoError(t, err)
|
||||
|
||||
serviceKeyIdx = slices.IndexFunc(resource.Attributes(), func(v attribute.KeyValue) bool {
|
||||
return v.Key == semconv.ServiceNameKey
|
||||
})
|
||||
require.NotEqual(t, -1, serviceKeyIdx)
|
||||
|
||||
assert.Equal(t, "non-default value", resource.Attributes()[serviceKeyIdx].Value.AsString())
|
||||
}
|
||||
|
||||
func TestResourceAttributes(t *testing.T) {
|
||||
ctx := context.Background()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.ResourceDetectors, "foo")()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.ResourceAttributes, "Test=LABEL,broken,unescape=%XXlabel")()
|
||||
res, err := newResource(ctx)
|
||||
require.NoError(t, err)
|
||||
expected, err := resource.New(ctx, resource.WithAttributes(
|
||||
semconv.ServiceName(setting.OpenTelemetry.ServiceName),
|
||||
semconv.ServiceVersion(setting.ForgejoVersion),
|
||||
attribute.String("Test", "LABEL"),
|
||||
attribute.String("unescape", "%XXlabel"),
|
||||
))
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, expected, res)
|
||||
}
|
||||
|
||||
func TestDecoderParity(t *testing.T) {
|
||||
ctx := context.Background()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.ResourceDetectors, "sdk,process,os,host")()
|
||||
exp, err := resource.New(
|
||||
ctx, resource.WithTelemetrySDK(), resource.WithOS(), resource.WithProcess(), resource.WithHost(), resource.WithAttributes(
|
||||
semconv.ServiceName(setting.OpenTelemetry.ServiceName), semconv.ServiceVersion(setting.ForgejoVersion),
|
||||
),
|
||||
)
|
||||
require.NoError(t, err)
|
||||
res2, err := newResource(ctx)
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, exp, res2)
|
||||
}
|
||||
98
modules/opentelemetry/traces.go
Normal file
98
modules/opentelemetry/traces.go
Normal file
@ -0,0 +1,98 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package opentelemetry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/tls"
|
||||
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
|
||||
"go.opentelemetry.io/otel"
|
||||
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
|
||||
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
|
||||
"go.opentelemetry.io/otel/sdk/resource"
|
||||
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
||||
"google.golang.org/grpc/credentials"
|
||||
)
|
||||
|
||||
func newGrpcExporter(ctx context.Context) (sdktrace.SpanExporter, error) {
|
||||
endpoint := setting.OpenTelemetry.OtelTraces.Endpoint
|
||||
|
||||
opts := []otlptracegrpc.Option{}
|
||||
|
||||
tlsConf := &tls.Config{}
|
||||
opts = append(opts, otlptracegrpc.WithEndpoint(endpoint.Host))
|
||||
opts = append(opts, otlptracegrpc.WithTimeout(setting.OpenTelemetry.OtelTraces.Timeout))
|
||||
switch setting.OpenTelemetry.OtelTraces.Endpoint.Scheme {
|
||||
case "http", "unix":
|
||||
opts = append(opts, otlptracegrpc.WithInsecure())
|
||||
}
|
||||
|
||||
if setting.OpenTelemetry.OtelTraces.Compression != "" {
|
||||
opts = append(opts, otlptracegrpc.WithCompressor(setting.OpenTelemetry.OtelTraces.Compression))
|
||||
}
|
||||
withCertPool(setting.OpenTelemetry.OtelTraces.Certificate, tlsConf)
|
||||
withClientCert(setting.OpenTelemetry.OtelTraces.ClientCertificate, setting.OpenTelemetry.OtelTraces.ClientKey, tlsConf)
|
||||
if tlsConf.RootCAs != nil || len(tlsConf.Certificates) > 0 {
|
||||
opts = append(opts, otlptracegrpc.WithTLSCredentials(
|
||||
credentials.NewTLS(tlsConf),
|
||||
))
|
||||
}
|
||||
opts = append(opts, otlptracegrpc.WithHeaders(setting.OpenTelemetry.OtelTraces.Headers))
|
||||
|
||||
return otlptracegrpc.New(ctx, opts...)
|
||||
}
|
||||
|
||||
func newHTTPExporter(ctx context.Context) (sdktrace.SpanExporter, error) {
|
||||
endpoint := setting.OpenTelemetry.OtelTraces.Endpoint
|
||||
opts := []otlptracehttp.Option{}
|
||||
tlsConf := &tls.Config{}
|
||||
opts = append(opts, otlptracehttp.WithEndpoint(endpoint.Host))
|
||||
switch setting.OpenTelemetry.OtelTraces.Endpoint.Scheme {
|
||||
case "http", "unix":
|
||||
opts = append(opts, otlptracehttp.WithInsecure())
|
||||
}
|
||||
switch setting.OpenTelemetry.OtelTraces.Compression {
|
||||
case "gzip":
|
||||
opts = append(opts, otlptracehttp.WithCompression(otlptracehttp.GzipCompression))
|
||||
default:
|
||||
opts = append(opts, otlptracehttp.WithCompression(otlptracehttp.NoCompression))
|
||||
}
|
||||
withCertPool(setting.OpenTelemetry.OtelTraces.Certificate, tlsConf)
|
||||
withClientCert(setting.OpenTelemetry.OtelTraces.ClientCertificate, setting.OpenTelemetry.OtelTraces.ClientKey, tlsConf)
|
||||
if tlsConf.RootCAs != nil || len(tlsConf.Certificates) > 0 {
|
||||
opts = append(opts, otlptracehttp.WithTLSClientConfig(tlsConf))
|
||||
}
|
||||
opts = append(opts, otlptracehttp.WithHeaders(setting.OpenTelemetry.OtelTraces.Headers))
|
||||
|
||||
return otlptracehttp.New(ctx, opts...)
|
||||
}
|
||||
|
||||
var exporter = map[string]func(context.Context) (sdktrace.SpanExporter, error){
|
||||
"http/protobuf": newHTTPExporter,
|
||||
"grpc": newGrpcExporter,
|
||||
}
|
||||
|
||||
// Create new and register trace provider from user defined configuration
|
||||
func setupTraceProvider(ctx context.Context, r *resource.Resource) (func(context.Context) error, error) {
|
||||
var shutdown func(context.Context) error
|
||||
switch setting.OpenTelemetry.Traces {
|
||||
case "otlp":
|
||||
traceExporter, err := exporter[setting.OpenTelemetry.OtelTraces.Protocol](ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
traceProvider := sdktrace.NewTracerProvider(
|
||||
sdktrace.WithSampler(setting.OpenTelemetry.Sampler),
|
||||
sdktrace.WithBatcher(traceExporter),
|
||||
sdktrace.WithResource(r),
|
||||
)
|
||||
otel.SetTracerProvider(traceProvider)
|
||||
shutdown = traceProvider.Shutdown
|
||||
default:
|
||||
shutdown = func(ctx context.Context) error { return nil }
|
||||
}
|
||||
return shutdown, nil
|
||||
}
|
||||
114
modules/opentelemetry/traces_test.go
Normal file
114
modules/opentelemetry/traces_test.go
Normal file
@ -0,0 +1,114 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package opentelemetry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/url"
|
||||
"os"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
"code.gitea.io/gitea/modules/test"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"go.opentelemetry.io/otel"
|
||||
"google.golang.org/grpc"
|
||||
"google.golang.org/grpc/credentials"
|
||||
)
|
||||
|
||||
func TestTraceGrpcExporter(t *testing.T) {
|
||||
grpcMethods := make(chan string)
|
||||
tlsConfig := generateTestTLS(t, os.TempDir(), "localhost,127.0.0.1")
|
||||
assert.NotNil(t, tlsConfig)
|
||||
|
||||
collector := grpc.NewServer(grpc.Creds(credentials.NewTLS(tlsConfig)), grpc.UnknownServiceHandler(func(srv any, stream grpc.ServerStream) error {
|
||||
method, _ := grpc.Method(stream.Context())
|
||||
grpcMethods <- method
|
||||
return nil
|
||||
}))
|
||||
defer collector.GracefulStop()
|
||||
ln, err := net.Listen("tcp", "localhost:0")
|
||||
require.NoError(t, err)
|
||||
defer ln.Close()
|
||||
go collector.Serve(ln)
|
||||
|
||||
traceEndpoint, err := url.Parse("https://" + ln.Addr().String())
|
||||
require.NoError(t, err)
|
||||
config := &setting.OtelExporter{
|
||||
Endpoint: traceEndpoint,
|
||||
Certificate: os.TempDir() + "/cert.pem",
|
||||
ClientCertificate: os.TempDir() + "/cert.pem",
|
||||
ClientKey: os.TempDir() + "/key.pem",
|
||||
Protocol: "grpc",
|
||||
}
|
||||
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.ServiceName, "forgejo-certs")()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.Enabled, true)()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.Traces, "otlp")()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.OtelTraces, config)()
|
||||
ctx := context.Background()
|
||||
require.NoError(t, Init(ctx))
|
||||
|
||||
tracer := otel.Tracer("test_tls")
|
||||
_, span := tracer.Start(ctx, "test span")
|
||||
assert.True(t, span.SpanContext().HasTraceID())
|
||||
assert.True(t, span.SpanContext().HasSpanID())
|
||||
|
||||
span.End()
|
||||
// Give the exporter time to send the span
|
||||
select {
|
||||
case method := <-grpcMethods:
|
||||
assert.Equal(t, "/opentelemetry.proto.collector.trace.v1.TraceService/Export", method)
|
||||
case <-time.After(10 * time.Second):
|
||||
t.Fatal("no grpc call within 10s")
|
||||
}
|
||||
}
|
||||
|
||||
func TestTraceHttpExporter(t *testing.T) {
|
||||
httpCalls := make(chan string)
|
||||
tlsConfig := generateTestTLS(t, os.TempDir(), "localhost,127.0.0.1")
|
||||
assert.NotNil(t, tlsConfig)
|
||||
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
httpCalls <- r.URL.Path
|
||||
w.WriteHeader(http.StatusOK)
|
||||
w.Write([]byte(`{"success": true}`))
|
||||
}))
|
||||
server.TLS = tlsConfig
|
||||
|
||||
traceEndpoint, err := url.Parse("http://" + server.Listener.Addr().String())
|
||||
require.NoError(t, err)
|
||||
config := &setting.OtelExporter{
|
||||
Endpoint: traceEndpoint,
|
||||
Certificate: os.TempDir() + "/cert.pem",
|
||||
ClientCertificate: os.TempDir() + "/cert.pem",
|
||||
ClientKey: os.TempDir() + "/key.pem",
|
||||
Protocol: "http/protobuf",
|
||||
}
|
||||
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.ServiceName, "forgejo-certs")()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.Enabled, true)()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.Traces, "otlp")()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.OtelTraces, config)()
|
||||
ctx := context.Background()
|
||||
require.NoError(t, Init(ctx))
|
||||
|
||||
tracer := otel.Tracer("test_tls")
|
||||
_, span := tracer.Start(ctx, "test span")
|
||||
assert.True(t, span.SpanContext().HasTraceID())
|
||||
assert.True(t, span.SpanContext().HasSpanID())
|
||||
|
||||
span.End()
|
||||
select {
|
||||
case path := <-httpCalls:
|
||||
assert.Equal(t, "/v1/traces", path)
|
||||
case <-time.After(10 * time.Second):
|
||||
t.Fatal("no http call within 10s")
|
||||
}
|
||||
}
|
||||
199
modules/setting/opentelemetry.go
Normal file
199
modules/setting/opentelemetry.go
Normal file
@ -0,0 +1,199 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package setting
|
||||
|
||||
import (
|
||||
"net/url"
|
||||
"path/filepath"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"code.gitea.io/gitea/modules/log"
|
||||
|
||||
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
||||
)
|
||||
|
||||
const (
|
||||
opentelemetrySectionName string = "opentelemetry"
|
||||
exporter string = ".exporter"
|
||||
otlp string = ".otlp"
|
||||
alwaysOn string = "always_on"
|
||||
alwaysOff string = "always_off"
|
||||
traceIDRatio string = "traceidratio"
|
||||
parentBasedAlwaysOn string = "parentbased_always_on"
|
||||
parentBasedAlwaysOff string = "parentbased_always_off"
|
||||
parentBasedTraceIDRatio string = "parentbased_traceidratio"
|
||||
)
|
||||
|
||||
var OpenTelemetry = struct {
|
||||
// Inverse of OTEL_SDK_DISABLE, skips telemetry setup
|
||||
Enabled bool
|
||||
ServiceName string
|
||||
ResourceAttributes string
|
||||
ResourceDetectors string
|
||||
Sampler sdktrace.Sampler
|
||||
Traces string
|
||||
|
||||
OtelTraces *OtelExporter
|
||||
}{
|
||||
ServiceName: "forgejo",
|
||||
Traces: "otel",
|
||||
}
|
||||
|
||||
type OtelExporter struct {
|
||||
Endpoint *url.URL `ini:"ENDPOINT"`
|
||||
Headers map[string]string `ini:"-"`
|
||||
Compression string `ini:"COMPRESSION"`
|
||||
Certificate string `ini:"CERTIFICATE"`
|
||||
ClientKey string `ini:"CLIENT_KEY"`
|
||||
ClientCertificate string `ini:"CLIENT_CERTIFICATE"`
|
||||
Timeout time.Duration `ini:"TIMEOUT"`
|
||||
Protocol string `ini:"-"`
|
||||
}
|
||||
|
||||
func createOtlpExporterConfig(rootCfg ConfigProvider, section string) *OtelExporter {
|
||||
protocols := []string{"http/protobuf", "grpc"}
|
||||
endpoint, _ := url.Parse("http://localhost:4318/")
|
||||
exp := &OtelExporter{
|
||||
Endpoint: endpoint,
|
||||
Timeout: 10 * time.Second,
|
||||
Headers: map[string]string{},
|
||||
Protocol: "http/protobuf",
|
||||
}
|
||||
|
||||
loadSection := func(name string) {
|
||||
otlp := rootCfg.Section(name)
|
||||
if otlp.HasKey("ENDPOINT") {
|
||||
endpoint, err := url.Parse(otlp.Key("ENDPOINT").String())
|
||||
if err != nil {
|
||||
log.Warn("Endpoint parsing failed, section: %s, err %v", name, err)
|
||||
} else {
|
||||
exp.Endpoint = endpoint
|
||||
}
|
||||
}
|
||||
if err := otlp.MapTo(exp); err != nil {
|
||||
log.Warn("Mapping otlp settings failed, section: %s, err: %v", name, err)
|
||||
}
|
||||
|
||||
exp.Protocol = otlp.Key("PROTOCOL").In(exp.Protocol, protocols)
|
||||
|
||||
headers := otlp.Key("HEADERS").String()
|
||||
if headers != "" {
|
||||
for k, v := range _stringToHeader(headers) {
|
||||
exp.Headers[k] = v
|
||||
}
|
||||
}
|
||||
}
|
||||
loadSection("opentelemetry.exporter.otlp")
|
||||
|
||||
loadSection("opentelemetry.exporter.otlp" + section)
|
||||
|
||||
if len(exp.Certificate) > 0 && !filepath.IsAbs(exp.Certificate) {
|
||||
exp.Certificate = filepath.Join(CustomPath, exp.Certificate)
|
||||
}
|
||||
if len(exp.ClientCertificate) > 0 && !filepath.IsAbs(exp.ClientCertificate) {
|
||||
exp.ClientCertificate = filepath.Join(CustomPath, exp.ClientCertificate)
|
||||
}
|
||||
if len(exp.ClientKey) > 0 && !filepath.IsAbs(exp.ClientKey) {
|
||||
exp.ClientKey = filepath.Join(CustomPath, exp.ClientKey)
|
||||
}
|
||||
|
||||
return exp
|
||||
}
|
||||
|
||||
func loadOpenTelemetryFrom(rootCfg ConfigProvider) {
|
||||
sec := rootCfg.Section(opentelemetrySectionName)
|
||||
OpenTelemetry.Enabled = sec.Key("ENABLED").MustBool(false)
|
||||
if !OpenTelemetry.Enabled {
|
||||
return
|
||||
}
|
||||
|
||||
// Load resource related settings
|
||||
OpenTelemetry.ServiceName = sec.Key("SERVICE_NAME").MustString("forgejo")
|
||||
OpenTelemetry.ResourceAttributes = sec.Key("RESOURCE_ATTRIBUTES").String()
|
||||
OpenTelemetry.ResourceDetectors = strings.ToLower(sec.Key("RESOURCE_DETECTORS").String())
|
||||
|
||||
// Load tracing related settings
|
||||
samplers := make([]string, 0, len(sampler))
|
||||
for k := range sampler {
|
||||
samplers = append(samplers, k)
|
||||
}
|
||||
|
||||
samplerName := sec.Key("TRACES_SAMPLER").In(parentBasedAlwaysOn, samplers)
|
||||
samplerArg := sec.Key("TRACES_SAMPLER_ARG").MustString("")
|
||||
OpenTelemetry.Sampler = sampler[samplerName](samplerArg)
|
||||
|
||||
switch sec.Key("TRACES_EXPORTER").MustString("otlp") {
|
||||
case "none":
|
||||
OpenTelemetry.Traces = "none"
|
||||
default:
|
||||
OpenTelemetry.Traces = "otlp"
|
||||
OpenTelemetry.OtelTraces = createOtlpExporterConfig(rootCfg, ".traces")
|
||||
}
|
||||
}
|
||||
|
||||
var sampler = map[string]func(arg string) sdktrace.Sampler{
|
||||
alwaysOff: func(_ string) sdktrace.Sampler {
|
||||
return sdktrace.NeverSample()
|
||||
},
|
||||
alwaysOn: func(_ string) sdktrace.Sampler {
|
||||
return sdktrace.AlwaysSample()
|
||||
},
|
||||
traceIDRatio: func(arg string) sdktrace.Sampler {
|
||||
ratio, err := strconv.ParseFloat(arg, 64)
|
||||
if err != nil {
|
||||
ratio = 1
|
||||
}
|
||||
return sdktrace.TraceIDRatioBased(ratio)
|
||||
},
|
||||
parentBasedAlwaysOff: func(_ string) sdktrace.Sampler {
|
||||
return sdktrace.ParentBased(sdktrace.NeverSample())
|
||||
},
|
||||
parentBasedAlwaysOn: func(_ string) sdktrace.Sampler {
|
||||
return sdktrace.ParentBased(sdktrace.AlwaysSample())
|
||||
},
|
||||
parentBasedTraceIDRatio: func(arg string) sdktrace.Sampler {
|
||||
ratio, err := strconv.ParseFloat(arg, 64)
|
||||
if err != nil {
|
||||
ratio = 1
|
||||
}
|
||||
return sdktrace.ParentBased(sdktrace.TraceIDRatioBased(ratio))
|
||||
},
|
||||
}
|
||||
|
||||
// Opentelemetry SDK function port
|
||||
|
||||
func _stringToHeader(value string) map[string]string {
|
||||
headersPairs := strings.Split(value, ",")
|
||||
headers := make(map[string]string)
|
||||
|
||||
for _, header := range headersPairs {
|
||||
n, v, found := strings.Cut(header, "=")
|
||||
if !found {
|
||||
log.Warn("Otel header ignored on %q: missing '='", header)
|
||||
continue
|
||||
}
|
||||
name, err := url.PathUnescape(n)
|
||||
if err != nil {
|
||||
log.Warn("Otel header ignored on %q, invalid header key: %s", header, n)
|
||||
continue
|
||||
}
|
||||
trimmedName := strings.TrimSpace(name)
|
||||
value, err := url.PathUnescape(v)
|
||||
if err != nil {
|
||||
log.Warn("Otel header ignored on %q, invalid header value: %s", header, v)
|
||||
continue
|
||||
}
|
||||
trimmedValue := strings.TrimSpace(value)
|
||||
|
||||
headers[trimmedName] = trimmedValue
|
||||
}
|
||||
|
||||
return headers
|
||||
}
|
||||
|
||||
func IsOpenTelemetryEnabled() bool {
|
||||
return OpenTelemetry.Enabled
|
||||
}
|
||||
239
modules/setting/opentelemetry_test.go
Normal file
239
modules/setting/opentelemetry_test.go
Normal file
@ -0,0 +1,239 @@
|
||||
// Copyright 2024 TheFox0x7. All rights reserved.
|
||||
// SPDX-License-Identifier: EUPL-1.2
|
||||
|
||||
package setting
|
||||
|
||||
import (
|
||||
"net/url"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"code.gitea.io/gitea/modules/test"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
||||
)
|
||||
|
||||
func TestExporterLoad(t *testing.T) {
|
||||
globalSetting := `
|
||||
[opentelemetry.exporter.otlp]
|
||||
ENDPOINT=http://example.org:4318/
|
||||
CERTIFICATE=/boo/bar
|
||||
CLIENT_CERTIFICATE=/foo/bar
|
||||
CLIENT_KEY=/bar/bar
|
||||
COMPRESSION=
|
||||
HEADERS=key=val,val=key
|
||||
PROTOCOL=http/protobuf
|
||||
TIMEOUT=20s
|
||||
`
|
||||
endpoint, err := url.Parse("http://example.org:4318/")
|
||||
require.NoError(t, err)
|
||||
expected := &OtelExporter{
|
||||
Endpoint: endpoint,
|
||||
Certificate: "/boo/bar",
|
||||
ClientCertificate: "/foo/bar",
|
||||
ClientKey: "/bar/bar",
|
||||
Headers: map[string]string{
|
||||
"key": "val", "val": "key",
|
||||
},
|
||||
Timeout: 20 * time.Second,
|
||||
Protocol: "http/protobuf",
|
||||
}
|
||||
cfg, err := NewConfigProviderFromData(globalSetting)
|
||||
require.NoError(t, err)
|
||||
exp := createOtlpExporterConfig(cfg, ".traces")
|
||||
assert.Equal(t, expected, exp)
|
||||
localSetting := `
|
||||
[opentelemetry.exporter.otlp.traces]
|
||||
ENDPOINT=http://example.com:4318/
|
||||
CERTIFICATE=/boo
|
||||
CLIENT_CERTIFICATE=/foo
|
||||
CLIENT_KEY=/bar
|
||||
COMPRESSION=gzip
|
||||
HEADERS=key=val2,val1=key
|
||||
PROTOCOL=grpc
|
||||
TIMEOUT=5s
|
||||
`
|
||||
endpoint, err = url.Parse("http://example.com:4318/")
|
||||
require.NoError(t, err)
|
||||
expected = &OtelExporter{
|
||||
Endpoint: endpoint,
|
||||
Certificate: "/boo",
|
||||
ClientCertificate: "/foo",
|
||||
ClientKey: "/bar",
|
||||
Compression: "gzip",
|
||||
Headers: map[string]string{
|
||||
"key": "val2", "val1": "key", "val": "key",
|
||||
},
|
||||
Timeout: 5 * time.Second,
|
||||
Protocol: "grpc",
|
||||
}
|
||||
|
||||
cfg, err = NewConfigProviderFromData(globalSetting + localSetting)
|
||||
require.NoError(t, err)
|
||||
exp = createOtlpExporterConfig(cfg, ".traces")
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, expected, exp)
|
||||
}
|
||||
|
||||
func TestOpenTelemetryConfiguration(t *testing.T) {
|
||||
defer test.MockProtect(&OpenTelemetry)()
|
||||
iniStr := ``
|
||||
cfg, err := NewConfigProviderFromData(iniStr)
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
assert.Nil(t, OpenTelemetry.OtelTraces)
|
||||
assert.False(t, IsOpenTelemetryEnabled())
|
||||
|
||||
iniStr = `
|
||||
[opentelemetry]
|
||||
ENABLED=true
|
||||
SERVICE_NAME = test service
|
||||
RESOURCE_ATTRIBUTES = foo=bar
|
||||
TRACES_SAMPLER = always_on
|
||||
|
||||
[opentelemetry.exporter.otlp]
|
||||
ENDPOINT = http://jaeger:4317/
|
||||
TIMEOUT = 30s
|
||||
COMPRESSION = gzip
|
||||
INSECURE = TRUE
|
||||
HEADERS=foo=bar,overwrite=false
|
||||
`
|
||||
cfg, err = NewConfigProviderFromData(iniStr)
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
|
||||
assert.True(t, IsOpenTelemetryEnabled())
|
||||
assert.Equal(t, "test service", OpenTelemetry.ServiceName)
|
||||
assert.Equal(t, "foo=bar", OpenTelemetry.ResourceAttributes)
|
||||
assert.Equal(t, 30*time.Second, OpenTelemetry.OtelTraces.Timeout)
|
||||
assert.Equal(t, "gzip", OpenTelemetry.OtelTraces.Compression)
|
||||
assert.Equal(t, sdktrace.AlwaysSample(), OpenTelemetry.Sampler)
|
||||
assert.Equal(t, "http://jaeger:4317/", OpenTelemetry.OtelTraces.Endpoint.String())
|
||||
assert.Contains(t, OpenTelemetry.OtelTraces.Headers, "foo")
|
||||
assert.Equal(t, "bar", OpenTelemetry.OtelTraces.Headers["foo"])
|
||||
assert.Contains(t, OpenTelemetry.OtelTraces.Headers, "overwrite")
|
||||
assert.Equal(t, "false", OpenTelemetry.OtelTraces.Headers["overwrite"])
|
||||
}
|
||||
|
||||
func TestOpenTelemetryTraceDisable(t *testing.T) {
|
||||
defer test.MockProtect(&OpenTelemetry)()
|
||||
iniStr := ``
|
||||
cfg, err := NewConfigProviderFromData(iniStr)
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
assert.False(t, OpenTelemetry.Enabled)
|
||||
assert.False(t, IsOpenTelemetryEnabled())
|
||||
|
||||
iniStr = `
|
||||
[opentelemetry]
|
||||
ENABLED=true
|
||||
EXPORTER_OTLP_ENDPOINT =
|
||||
`
|
||||
cfg, err = NewConfigProviderFromData(iniStr)
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
|
||||
assert.True(t, IsOpenTelemetryEnabled())
|
||||
endpoint, _ := url.Parse("http://localhost:4318/")
|
||||
assert.Equal(t, endpoint, OpenTelemetry.OtelTraces.Endpoint)
|
||||
}
|
||||
|
||||
func TestSamplerCombinations(t *testing.T) {
|
||||
defer test.MockProtect(&OpenTelemetry)()
|
||||
type config struct {
|
||||
IniCfg string
|
||||
Expected sdktrace.Sampler
|
||||
}
|
||||
testSamplers := []config{
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = always_on
|
||||
TRACES_SAMPLER_ARG = nothing`, sdktrace.AlwaysSample()},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = always_off`, sdktrace.NeverSample()},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = traceidratio
|
||||
TRACES_SAMPLER_ARG = 0.7`, sdktrace.TraceIDRatioBased(0.7)},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = traceidratio
|
||||
TRACES_SAMPLER_ARG = badarg`, sdktrace.TraceIDRatioBased(1)},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = parentbased_always_off`, sdktrace.ParentBased(sdktrace.NeverSample())},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = parentbased_always_of`, sdktrace.ParentBased(sdktrace.AlwaysSample())},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = parentbased_traceidratio
|
||||
TRACES_SAMPLER_ARG = 0.3`, sdktrace.ParentBased(sdktrace.TraceIDRatioBased(0.3))},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = parentbased_traceidratio
|
||||
TRACES_SAMPLER_ARG = badarg`, sdktrace.ParentBased(sdktrace.TraceIDRatioBased(1))},
|
||||
{`[opentelemetry]
|
||||
ENABLED=true
|
||||
TRACES_SAMPLER = not existing
|
||||
TRACES_SAMPLER_ARG = badarg`, sdktrace.ParentBased(sdktrace.AlwaysSample())},
|
||||
}
|
||||
|
||||
for _, sampler := range testSamplers {
|
||||
cfg, err := NewConfigProviderFromData(sampler.IniCfg)
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
assert.Equal(t, sampler.Expected, OpenTelemetry.Sampler)
|
||||
}
|
||||
}
|
||||
|
||||
func TestOpentelemetryBadConfigs(t *testing.T) {
|
||||
defer test.MockProtect(&OpenTelemetry)()
|
||||
iniStr := `
|
||||
[opentelemetry]
|
||||
ENABLED=true
|
||||
|
||||
[opentelemetry.exporter.otlp]
|
||||
ENDPOINT = jaeger:4317/
|
||||
`
|
||||
cfg, err := NewConfigProviderFromData(iniStr)
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
|
||||
assert.True(t, IsOpenTelemetryEnabled())
|
||||
assert.Equal(t, "jaeger:4317/", OpenTelemetry.OtelTraces.Endpoint.String())
|
||||
|
||||
iniStr = ``
|
||||
cfg, err = NewConfigProviderFromData(iniStr)
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
assert.False(t, IsOpenTelemetryEnabled())
|
||||
|
||||
iniStr = `
|
||||
[opentelemetry]
|
||||
ENABLED=true
|
||||
SERVICE_NAME =
|
||||
TRACES_SAMPLER = not existing one
|
||||
[opentelemetry.exporter.otlp]
|
||||
ENDPOINT = http://jaeger:4317/
|
||||
|
||||
TIMEOUT = abc
|
||||
COMPRESSION = foo
|
||||
HEADERS=%s=bar,foo=%h,foo
|
||||
|
||||
`
|
||||
|
||||
cfg, err = NewConfigProviderFromData(iniStr)
|
||||
|
||||
require.NoError(t, err)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
assert.True(t, IsOpenTelemetryEnabled())
|
||||
assert.Equal(t, "forgejo", OpenTelemetry.ServiceName)
|
||||
assert.Equal(t, 10*time.Second, OpenTelemetry.OtelTraces.Timeout)
|
||||
assert.Equal(t, sdktrace.ParentBased(sdktrace.AlwaysSample()), OpenTelemetry.Sampler)
|
||||
assert.Equal(t, "http://jaeger:4317/", OpenTelemetry.OtelTraces.Endpoint.String())
|
||||
assert.Empty(t, OpenTelemetry.OtelTraces.Headers)
|
||||
}
|
||||
@ -150,6 +150,7 @@ func loadCommonSettingsFrom(cfg ConfigProvider) error {
|
||||
loadAPIFrom(cfg)
|
||||
loadBadgesFrom(cfg)
|
||||
loadMetricsFrom(cfg)
|
||||
loadOpenTelemetryFrom(cfg)
|
||||
loadCamoFrom(cfg)
|
||||
loadI18nFrom(cfg)
|
||||
loadGitFrom(cfg)
|
||||
|
||||
1
release-notes/3972.md
Normal file
1
release-notes/3972.md
Normal file
@ -0,0 +1 @@
|
||||
add support for basic request tracing with opentelemetry
|
||||
@ -18,6 +18,7 @@ import (
|
||||
"gitea.com/go-chi/session"
|
||||
"github.com/chi-middleware/proxy"
|
||||
chi "github.com/go-chi/chi/v5"
|
||||
"github.com/riandyrn/otelchi"
|
||||
)
|
||||
|
||||
// ProtocolMiddlewares returns HTTP protocol related middlewares, and it provides a global panic recovery
|
||||
@ -68,6 +69,9 @@ func ProtocolMiddlewares() (handlers []any) {
|
||||
if setting.IsAccessLogEnabled() {
|
||||
handlers = append(handlers, context.AccessLogger())
|
||||
}
|
||||
if setting.IsOpenTelemetryEnabled() {
|
||||
handlers = append(handlers, otelchi.Middleware("forgejo"))
|
||||
}
|
||||
|
||||
return handlers
|
||||
}
|
||||
|
||||
@ -18,6 +18,7 @@ import (
|
||||
"code.gitea.io/gitea/modules/log"
|
||||
"code.gitea.io/gitea/modules/markup"
|
||||
"code.gitea.io/gitea/modules/markup/external"
|
||||
"code.gitea.io/gitea/modules/opentelemetry"
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
"code.gitea.io/gitea/modules/ssh"
|
||||
"code.gitea.io/gitea/modules/storage"
|
||||
@ -110,6 +111,7 @@ func InitWebInstallPage(ctx context.Context) {
|
||||
|
||||
// InitWebInstalled is for global installed configuration.
|
||||
func InitWebInstalled(ctx context.Context) {
|
||||
mustInitCtx(ctx, opentelemetry.Init)
|
||||
mustInitCtx(ctx, git.InitFull)
|
||||
log.Info("Git version: %s (home: %s)", git.VersionInfo(), git.HomeDir())
|
||||
|
||||
|
||||
@ -4,12 +4,23 @@
|
||||
package install
|
||||
|
||||
import (
|
||||
"context"
|
||||
"io"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/url"
|
||||
"os"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"code.gitea.io/gitea/models/unittest"
|
||||
"code.gitea.io/gitea/modules/opentelemetry"
|
||||
"code.gitea.io/gitea/modules/setting"
|
||||
"code.gitea.io/gitea/modules/test"
|
||||
|
||||
"github.com/google/uuid"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestRoutes(t *testing.T) {
|
||||
@ -36,3 +47,43 @@ func TestRoutes(t *testing.T) {
|
||||
func TestMain(m *testing.M) {
|
||||
unittest.MainTest(m)
|
||||
}
|
||||
|
||||
func TestOtelChi(t *testing.T) {
|
||||
ServiceName := "forgejo-otelchi" + uuid.NewString()
|
||||
|
||||
otelURL, ok := os.LookupEnv("TEST_OTEL_URL")
|
||||
if !ok {
|
||||
t.Skip("TEST_OTEL_URL not set")
|
||||
}
|
||||
traceEndpoint, err := url.Parse(otelURL)
|
||||
require.NoError(t, err)
|
||||
config := &setting.OtelExporter{
|
||||
Endpoint: traceEndpoint,
|
||||
Protocol: "grpc",
|
||||
}
|
||||
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.Enabled, true)()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.Traces, "otlp")() // Required due to lazy loading
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.ServiceName, ServiceName)()
|
||||
defer test.MockVariableValue(&setting.OpenTelemetry.OtelTraces, config)()
|
||||
|
||||
require.NoError(t, opentelemetry.Init(context.Background()))
|
||||
r := Routes()
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
req := httptest.NewRequest("GET", "/e/img/gitea.svg", nil)
|
||||
r.ServeHTTP(w, req)
|
||||
|
||||
traceEndpoint.Host = traceEndpoint.Hostname() + ":16686"
|
||||
traceEndpoint.Path = "/api/services"
|
||||
|
||||
require.EventuallyWithT(t, func(collect *assert.CollectT) {
|
||||
resp, err := http.Get(traceEndpoint.String())
|
||||
require.NoError(t, err)
|
||||
|
||||
apiResponse, err := io.ReadAll(resp.Body)
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Contains(collect, string(apiResponse), ServiceName)
|
||||
}, 15*time.Second, 1*time.Second)
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user