| //go:build integ |
| // +build integ |
| |
| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package nullvm |
| |
| import ( |
| "errors" |
| "strconv" |
| "strings" |
| "testing" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/test/framework" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/framework/components/istioctl" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/util/retry" |
| common "github.com/apache/dubbo-go-pixiu/tests/integration/telemetry/stats/prometheus" |
| ) |
| |
| // TestIstioctlMetrics contains a basic validation of the experimental |
| // metrics command. It validates that values are being returned when there is |
| // traffic and that the expected default output format is matched. |
| func TestIstioctlMetrics(t *testing.T) { |
| framework.NewTest(t). |
| Features("observability.telemetry.istioctl"). |
| Run(func(t framework.TestContext) { |
| retry.UntilSuccessOrFail(t, func() error { |
| if err := common.SendTraffic(common.GetClientInstances()[0]); err != nil { |
| return err |
| } |
| return validateDefaultOutput(t, "server") |
| }, retry.Delay(framework.TelemetryRetryDelay), retry.Timeout(framework.TelemetryRetryTimeout)) |
| }) |
| } |
| |
| func validateDefaultOutput(t framework.TestContext, workload string) error { // nolint:interfacer |
| t.Helper() |
| istioCtl := istioctl.NewOrFail(t, t, istioctl.Config{}) |
| args := []string{"experimental", "metrics", workload} |
| output, stderr, fErr := istioCtl.Invoke(args) |
| if fErr != nil { |
| t.Logf("Unwanted exception for 'istioctl %s': %v. Stderr: %v", strings.Join(args, " "), fErr, stderr) |
| return fErr |
| } |
| |
| // output will be something like |
| // WORKLOAD TOTAL RPS ERROR RPS P50 LATENCY P90 LATENCY P99 LATENCY |
| // server 0.182 0.000 40ms 74ms 97ms |
| // |
| lines := strings.Split(output, "\n") |
| if len(lines) != 3 { |
| t.Logf("Expected 2 lines of output, got %q", output) |
| return errors.New("unexpected output (incorrect number of lines)") |
| } |
| fields := strings.Fields(lines[1]) |
| if len(fields) != 6 { |
| t.Logf("Expected 6 columns, got %#v", fields) |
| return errors.New("unexpected output (incorrect number of columns)") |
| } |
| if fields[0] != workload { |
| t.Logf("Expected column 1 to be %q, got %#v", workload, fields) |
| return errors.New("unexpected output (incorrect workload)") |
| } |
| totalRPS, fErr := strconv.ParseFloat(fields[1], 32) |
| if fErr != nil { |
| t.Logf("Expected column 2 to show totalRPS, got %#v", fields) |
| return fErr |
| } |
| if totalRPS <= 0.001 { |
| t.Logf("Expected column 2 to show totalRPS more than 0.001, got %#v", fields) |
| return errors.New("unexpected output (incorrect RPS)") |
| } |
| return nil |
| } |