Plugins: Improve instrumentation by adding metrics and tracing (#61035)

* WIP: Plugins tracing

* Trace ID middleware

* Add prometheus metrics and tracing to plugins updater

* Add TODOs

* Add instrumented http client

* Add tracing to grafana update checker

* Goimports

* Moved plugins tracing to middleware

* goimports, fix tests

* Removed X-Trace-Id header

* Fix comment in NewTracingHeaderMiddleware

* Add metrics to instrumented http client

* Add instrumented http client options

* Removed unused function

* Switch to contextual logger

* Refactoring, fix tests

* Moved InstrumentedHTTPClient and PrometheusMetrics to their own package

* Tracing middleware: handle errors

* Report span status codes when recording errors

* Add tests for tracing middleware

* Moved fakeSpan and fakeTracer to pkg/infra/tracing

* Add TestHTTPClientTracing

* Lint

* Changes after PR review

* Tests: Made "ended" in FakeSpan private, allow calling End only once

* Testing: panic in FakeSpan if span already ended

* Refactoring: Simplify Grafana updater checks

* Refactoring: Simplify plugins updater error checks and logs

* Fix wrong call to checkForUpdates -> instrumentedCheckForUpdates

* Tests: Fix wrong call to checkForUpdates -> instrumentedCheckForUpdates

* Log update checks duration, use Info log level for check succeeded logs

* Add plugin context span attributes in tracing_middleware

* Refactor prometheus metrics as httpclient middleware

* Fix call to ProvidePluginsService in plugins_test.go

* Propagate context to update checker outgoing http requests

* Plugin client tracing middleware: Removed operation name in status

* Fix tests

* Goimports tracing_middleware.go

* Goimports

* Fix imports

* Changed span name to plugins client middleware

* Add span name assertion in TestTracingMiddleware

* Removed Prometheus metrics middleware from grafana and plugins updatechecker

* Add span attributes for ds name, type, uid, panel and dashboard ids

* Fix http header reading in tracing middlewares

* Use contexthandler.FromContext, add X-Query-Group-Id

* Add test for RunStream

* Fix imports

* Changes from PR review

* TestTracingMiddleware: Changed assert to require for didPanic assertion

* Lint

* Fix imports
This commit is contained in:
Giuseppe Guerra
2023-03-28 11:01:06 +02:00
committed by GitHub
parent 0beb768427
commit a89202eab2
16 changed files with 1028 additions and 72 deletions

View File

@@ -15,6 +15,7 @@ import (
"github.com/grafana/grafana/pkg/infra/db"
"github.com/grafana/grafana/pkg/infra/localcache"
"github.com/grafana/grafana/pkg/infra/tracing"
"github.com/grafana/grafana/pkg/plugins/backendplugin/coreplugin"
"github.com/grafana/grafana/pkg/plugins/backendplugin/provider"
"github.com/grafana/grafana/pkg/plugins/config"
@@ -103,7 +104,7 @@ func TestCallResource(t *testing.T) {
req *backend.CallResourceRequest, sender backend.CallResourceResponseSender) error {
return errors.New("something went wrong")
}),
}, pluginsintegration.CreateMiddlewares(cfg, &oauthtokentest.Service{})...)
}, pluginsintegration.CreateMiddlewares(cfg, &oauthtokentest.Service{}, tracing.InitializeTracerForTest())...)
require.NoError(t, err)
srv = SetupAPITestServer(t, func(hs *HTTPServer) {