fix: opentelemetry unit tests
This commit is contained in:
Michael
GitHub
parent
190b9b1afa
commit
aece9a1051
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@ -13,12 +13,13 @@ import (
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)
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func TestDatadog(t *testing.T) {
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t.Cleanup(StopDatadog)
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udp.SetAddr(":18125")
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// This is needed to make sure that UDP Listener listens for data a bit longer, otherwise it will quit after a millisecond
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udp.Timeout = 5 * time.Second
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datadogRegistry := RegisterDatadog(context.Background(), &types.Datadog{Address: ":18125", PushInterval: ptypes.Duration(time.Second), AddEntryPointsLabels: true, AddRoutersLabels: true, AddServicesLabels: true})
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defer StopDatadog()
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if !datadogRegistry.IsEpEnabled() || !datadogRegistry.IsRouterEnabled() || !datadogRegistry.IsSvcEnabled() {
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t.Errorf("DatadogRegistry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()")
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@ -27,9 +28,7 @@ func TestDatadog(t *testing.T) {
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}
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func TestDatadogWithPrefix(t *testing.T) {
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t.Cleanup(func() {
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StopDatadog()
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})
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t.Cleanup(StopDatadog)
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udp.SetAddr(":18125")
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// This is needed to make sure that UDP Listener listens for data a bit longer, otherwise it will quit after a millisecond
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@ -6,7 +6,6 @@ import (
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"io"
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"net/http"
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"net/http/httptest"
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"regexp"
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"strconv"
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"testing"
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"time"
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@ -26,7 +25,6 @@ func TestInfluxDB2(t *testing.T) {
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c <- &bodyStr
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_, _ = fmt.Fprintln(w, "ok")
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}))
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defer ts.Close()
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influxDB2Registry := RegisterInfluxDB2(context.Background(),
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&types.InfluxDB2{
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@ -39,7 +37,11 @@ func TestInfluxDB2(t *testing.T) {
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AddRoutersLabels: true,
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AddServicesLabels: true,
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})
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defer StopInfluxDB2()
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t.Cleanup(func() {
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StopInfluxDB2()
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ts.Close()
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})
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if !influxDB2Registry.IsEpEnabled() || !influxDB2Registry.IsRouterEnabled() || !influxDB2Registry.IsSvcEnabled() {
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t.Fatalf("InfluxDB2Registry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()")
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@ -137,14 +139,3 @@ func TestInfluxDB2(t *testing.T) {
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assertMessage(t, *msgServiceRetries, expectedServiceRetries)
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}
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func assertMessage(t *testing.T, msg string, patterns []string) {
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t.Helper()
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for _, pattern := range patterns {
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re := regexp.MustCompile(pattern)
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match := re.FindStringSubmatch(msg)
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if len(match) != 2 {
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t.Errorf("Got %q %v, want %q", msg, match, pattern)
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}
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}
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}
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@ -4,10 +4,12 @@ import (
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"compress/gzip"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/http/httptest"
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"net/url"
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"regexp"
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"strconv"
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"testing"
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"time"
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@ -310,7 +312,7 @@ func TestOpenTelemetry(t *testing.T) {
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}))
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t.Cleanup(func() {
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close(c)
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StopOpenTelemetry()
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ts.Close()
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})
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@ -335,57 +337,53 @@ func TestOpenTelemetry(t *testing.T) {
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`({"key":"service.name","value":{"stringValue":"traefik"}})`,
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`({"key":"service.version","value":{"stringValue":"` + version.Version + `"}})`,
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}
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msgMisc := <-c
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assertMessage(t, *msgMisc, expected)
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tryAssertMessage(t, c, expected)
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// TODO: the len of startUnixNano is no supposed to be 20, it should be 19
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expected = append(expected,
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expectedConfig := []string{
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`({"name":"traefik_config_reloads_total","description":"Config reloads","unit":"1","sum":{"dataPoints":\[{"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_config_last_reload_success","description":"Last config reload success","unit":"ms","gauge":{"dataPoints":\[{"timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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`({"name":"traefik_open_connections","description":"How many open connections exist, by entryPoint and protocol","unit":"1","gauge":{"dataPoints":\[{"attributes":\[{"key":"entrypoint","value":{"stringValue":"test"}},{"key":"protocol","value":{"stringValue":"TCP"}}\],"timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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)
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}
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registry.ConfigReloadsCounter().Add(1)
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registry.LastConfigReloadSuccessGauge().Set(1)
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registry.OpenConnectionsGauge().With("entrypoint", "test", "protocol", "TCP").Set(1)
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msgServer := <-c
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assertMessage(t, *msgServer, expected)
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tryAssertMessage(t, c, expectedConfig)
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expected = append(expected,
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expectedTLSCerts := []string{
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`({"name":"traefik_tls_certs_not_after","description":"Certificate expiration timestamp","unit":"ms","gauge":{"dataPoints":\[{"attributes":\[{"key":"key","value":{"stringValue":"value"}}\],"timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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)
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}
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registry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1)
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msgTLS := <-c
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assertMessage(t, *msgTLS, expected)
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tryAssertMessage(t, c, expectedTLSCerts)
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expected = append(expected,
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expectedEntryPoints := []string{
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`({"name":"traefik_entrypoint_requests_total","description":"How many HTTP requests processed on an entrypoint, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"entrypoint","value":{"stringValue":"test1"}},{"key":"method","value":{"stringValue":"GET"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_entrypoint_requests_tls_total","description":"How many HTTP requests with TLS processed on an entrypoint, partitioned by TLS Version and TLS cipher Used.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"entrypoint","value":{"stringValue":"test2"}},{"key":"tls_cipher","value":{"stringValue":"bar"}},{"key":"tls_version","value":{"stringValue":"foo"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_entrypoint_request_duration_seconds","description":"How long it took to process the request on an entrypoint, partitioned by status code, protocol, and method.","unit":"ms","histogram":{"dataPoints":\[{"attributes":\[{"key":"entrypoint","value":{"stringValue":"test3"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","count":"1","sum":10000,"bucketCounts":\["0","0","0","0","0","0","0","0","0","0","0","1"\],"explicitBounds":\[0.005,0.01,0.025,0.05,0.1,0.25,0.5,1,2.5,5,10\],"min":10000,"max":10000}\],"aggregationTemporality":2}})`,
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`({"name":"traefik_entrypoint_requests_bytes_total","description":"The total size of requests in bytes handled by an entrypoint, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"entrypoint","value":{"stringValue":"test1"}},{"key":"method","value":{"stringValue":"GET"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_entrypoint_responses_bytes_total","description":"The total size of responses in bytes handled by an entrypoint, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"entrypoint","value":{"stringValue":"test1"}},{"key":"method","value":{"stringValue":"GET"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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)
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}
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registry.EntryPointReqsCounter().With(nil, "entrypoint", "test1", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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registry.EntryPointReqsTLSCounter().With("entrypoint", "test2", "tls_version", "foo", "tls_cipher", "bar").Add(1)
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registry.EntryPointReqDurationHistogram().With("entrypoint", "test3").Observe(10000)
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registry.EntryPointReqsBytesCounter().With("entrypoint", "test1", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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registry.EntryPointRespsBytesCounter().With("entrypoint", "test1", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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msgEntrypoint := <-c
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assertMessage(t, *msgEntrypoint, expected)
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tryAssertMessage(t, c, expectedEntryPoints)
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expected = append(expected,
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expectedRouters := []string{
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`({"name":"traefik_router_requests_total","description":"How many HTTP requests are processed on a router, partitioned by service, status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"router","value":{"stringValue":"RouterReqsCounter"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1},{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"router","value":{"stringValue":"RouterReqsCounter"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_router_requests_tls_total","description":"How many HTTP requests with TLS are processed on a router, partitioned by service, TLS Version, and TLS cipher Used.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"router","value":{"stringValue":"demo"}},{"key":"service","value":{"stringValue":"test"}},{"key":"tls_cipher","value":{"stringValue":"bar"}},{"key":"tls_version","value":{"stringValue":"foo"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_router_request_duration_seconds","description":"How long it took to process the request on a router, partitioned by service, status code, protocol, and method.","unit":"ms","histogram":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"router","value":{"stringValue":"demo"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","count":"1","sum":10000,"bucketCounts":\["0","0","0","0","0","0","0","0","0","0","0","1"\],"explicitBounds":\[0.005,0.01,0.025,0.05,0.1,0.25,0.5,1,2.5,5,10\],"min":10000,"max":10000}\],"aggregationTemporality":2}})`,
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`({"name":"traefik_router_requests_bytes_total","description":"The total size of requests in bytes handled by a router, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"404"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"router","value":{"stringValue":"RouterReqsCounter"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_router_responses_bytes_total","description":"The total size of responses in bytes handled by a router, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"404"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"router","value":{"stringValue":"RouterReqsCounter"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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)
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}
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registry.RouterReqsCounter().With(nil, "router", "RouterReqsCounter", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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registry.RouterReqsCounter().With(nil, "router", "RouterReqsCounter", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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@ -393,18 +391,17 @@ func TestOpenTelemetry(t *testing.T) {
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registry.RouterReqDurationHistogram().With("router", "demo", "service", "test", "code", strconv.Itoa(http.StatusOK)).Observe(10000)
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registry.RouterReqsBytesCounter().With("router", "RouterReqsCounter", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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registry.RouterRespsBytesCounter().With("router", "RouterReqsCounter", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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msgRouter := <-c
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assertMessage(t, *msgRouter, expected)
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tryAssertMessage(t, c, expectedRouters)
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expected = append(expected,
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expectedServices := []string{
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`({"name":"traefik_service_requests_total","description":"How many HTTP requests processed on a service, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"service","value":{"stringValue":"ServiceReqsCounter"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1},{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"service","value":{"stringValue":"ServiceReqsCounter"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_service_requests_tls_total","description":"How many HTTP requests with TLS processed on a service, partitioned by TLS version and TLS cipher.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"service","value":{"stringValue":"test"}},{"key":"tls_cipher","value":{"stringValue":"bar"}},{"key":"tls_version","value":{"stringValue":"foo"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_service_request_duration_seconds","description":"How long it took to process the request on a service, partitioned by status code, protocol, and method.","unit":"ms","histogram":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","count":"1","sum":10000,"bucketCounts":\["0","0","0","0","0","0","0","0","0","0","0","1"\],"explicitBounds":\[0.005,0.01,0.025,0.05,0.1,0.25,0.5,1,2.5,5,10\],"min":10000,"max":10000}\],"aggregationTemporality":2}})`,
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`({"name":"traefik_service_server_up","description":"service server is up, described by gauge value of 0 or 1.","unit":"1","gauge":{"dataPoints":\[{"attributes":\[{"key":"service","value":{"stringValue":"test"}},{"key":"url","value":{"stringValue":"http://127.0.0.1"}}\],"timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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`({"name":"traefik_service_requests_bytes_total","description":"The total size of requests in bytes received by a service, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"404"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"service","value":{"stringValue":"ServiceReqsCounter"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_service_responses_bytes_total","description":"The total size of responses in bytes returned by a service, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"404"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"service","value":{"stringValue":"ServiceReqsCounter"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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)
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}
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registry.ServiceReqsCounter().With(nil, "service", "ServiceReqsCounter", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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registry.ServiceReqsCounter().With(nil, "service", "ServiceReqsCounter", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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@ -413,21 +410,19 @@ func TestOpenTelemetry(t *testing.T) {
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registry.ServiceServerUpGauge().With("service", "test", "url", "http://127.0.0.1").Set(1)
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registry.ServiceReqsBytesCounter().With("service", "ServiceReqsCounter", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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registry.ServiceRespsBytesCounter().With("service", "ServiceReqsCounter", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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msgService := <-c
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assertMessage(t, *msgService, expected)
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tryAssertMessage(t, c, expectedServices)
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expected = append(expected,
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expectedServicesRetries := []string{
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`({"attributes":\[{"key":"service","value":{"stringValue":"foobar"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1})`,
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`({"attributes":\[{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":2})`,
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)
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}
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registry.ServiceRetriesCounter().With("service", "test").Add(1)
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registry.ServiceRetriesCounter().With("service", "test").Add(1)
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registry.ServiceRetriesCounter().With("service", "foobar").Add(1)
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msgServiceRetries := <-c
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assertMessage(t, *msgServiceRetries, expected)
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tryAssertMessage(t, c, expectedServicesRetries)
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// We cannot rely on the previous expected pattern,
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// because this pattern was for matching only one dataPoint in the histogram,
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@ -439,15 +434,46 @@ func TestOpenTelemetry(t *testing.T) {
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registry.EntryPointReqDurationHistogram().With("entrypoint", "myEntrypoint").Observe(10000)
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registry.EntryPointReqDurationHistogram().With("entrypoint", "myEntrypoint").Observe(20000)
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msgEntryPointReqDurationHistogram := <-c
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assertMessage(t, *msgEntryPointReqDurationHistogram, expectedEntryPointReqDuration)
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// Stopping OpenTelemetry.
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go func() {
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StopOpenTelemetry()
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}()
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// We need to unlock the HTTP Server for the last export call.
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<-c
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tryAssertMessage(t, c, expectedEntryPointReqDuration)
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}
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func assertMessage(t *testing.T, msg string, expected []string) {
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t.Helper()
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errs := verifyMessage(msg, expected)
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for _, err := range errs {
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t.Error(err)
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}
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}
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func tryAssertMessage(t *testing.T, c chan *string, expected []string) {
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t.Helper()
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var errs []error
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timeout := time.After(1 * time.Second)
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for {
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select {
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case <-timeout:
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for _, err := range errs {
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t.Error(err)
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}
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case msg := <-c:
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errs = verifyMessage(*msg, expected)
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if len(errs) == 0 {
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return
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}
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}
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}
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}
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func verifyMessage(msg string, expected []string) []error {
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var errs []error
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for _, pattern := range expected {
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re := regexp.MustCompile(pattern)
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match := re.FindStringSubmatch(msg)
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if len(match) != 2 {
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errs = append(errs, fmt.Errorf("Got %q %v, want %q", msg, match, pattern))
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}
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}
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return errs
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}
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