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17c74e6386
New flag `--enable-jaeger-collector` and the corresponding `KOPIA_ENABLE_JAEGER_COLLECTOR` environment variable enables Jaeger exporter, which by default sends OTEL traces to Jaeger collector on http://localhost:14268/api/traces To change this, use environment variables: * `OTEL_EXPORTER_JAEGER_ENDPOINT` * `OTEL_EXPORTER_JAEGER_USER` * `OTEL_EXPORTER_JAEGER_PASSWORD` When tracing is disabled, the impact on performance is negligible. To see this in action: 1. Download latest Jaeger all-in-one from https://www.jaegertracing.io/download/ 2. Run `jaeger-all-in-one` binary without any parameters. 3. Run `kopia --enable-jaeger-collector snapshot create ...` 4. Go to http://localhost:16686/search and search for traces
80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package cli_test
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import (
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"io"
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"net/http"
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"net/http/httptest"
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"sync"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/kopia/kopia/internal/testutil"
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"github.com/kopia/kopia/tests/testenv"
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)
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func TestMetricsPushFlags(t *testing.T) {
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env := testenv.NewCLITest(t, testenv.RepoFormatNotImportant, testenv.NewInProcRunner(t))
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mux := http.NewServeMux()
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var (
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mu sync.Mutex
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urls []string
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bodies []string
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auths []string
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)
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mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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mu.Lock()
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defer mu.Unlock()
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urls = append(urls, r.RequestURI)
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d, _ := io.ReadAll(r.Body)
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bodies = append(bodies, r.Method+":"+string(d))
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u, p, _ := r.BasicAuth()
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auths = append(auths, u+":"+p)
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})
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tmp1 := testutil.TempDirectory(t)
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server := httptest.NewServer(mux)
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defer server.Close()
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env.RunAndExpectSuccess(t, "repo", "create", "filesystem", "--path", tmp1,
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"--metrics-push-addr="+server.URL,
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"--metrics-push-interval=30s",
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"--metrics-push-format=text",
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"--enable-jaeger-collector", // this has no observable effects whether Jaeger is running or not
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)
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env.RunAndExpectSuccess(t, "repo", "status",
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"--metrics-push-addr="+server.URL,
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"--metrics-push-interval=30s",
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"--metrics-push-grouping=a:b",
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"--metrics-push-username=user1",
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"--metrics-push-password=pass1",
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"--metrics-push-format=proto-text",
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)
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require.Equal(t, []string{
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"/metrics/job/kopia", // initial
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"/metrics/job/kopia", // final
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"/metrics/job/kopia/a/b", // initial
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"/metrics/job/kopia/a/b", // final
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}, urls)
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require.Equal(t, "user1:pass1", auths[len(auths)-1])
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for _, b := range bodies {
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// make sure bodies include some kopia metrics, don't need more
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require.Contains(t, b, "kopia_content_cache_hit_bytes")
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}
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env.RunAndExpectFailure(t, "repo", "status",
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"--metrics-push-addr="+server.URL,
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"--metrics-push-grouping=a=s",
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)
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}
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