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test(scorecard): add container logs to scorecard results (#758)
* test(scorecard): add container logs to scorecard results * build(bundle): regenerate bundle with new scorecard tags * chore(scorecard): refactor to remove duplicate codes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| // Copyright The Cryostat 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 scorecard | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "strings" | ||
|
|
||
| operatorv1beta1 "github.com/cryostatio/cryostat-operator/api/v1beta1" | ||
| scapiv1alpha3 "github.com/operator-framework/api/pkg/apis/scorecard/v1alpha3" | ||
| v1 "k8s.io/api/core/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
||
| type ContainerLog struct { | ||
| Container string | ||
| Log string | ||
| } | ||
|
|
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| func LogContainer(clientset *kubernetes.Clientset, namespace, podName, containerName string, ch chan *ContainerLog) { | ||
| containerLog := &ContainerLog{ | ||
| Container: containerName, | ||
| } | ||
| buf := &strings.Builder{} | ||
|
|
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| err := GetContainerLogs(clientset, namespace, podName, containerName, buf) | ||
| if err != nil { | ||
| buf.WriteString(fmt.Sprintf("%s\n", err.Error())) | ||
| } | ||
|
|
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| containerLog.Log = buf.String() | ||
| ch <- containerLog | ||
| } | ||
|
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| func GetContainerLogs(clientset *kubernetes.Clientset, namespace, podName, containerName string, dest io.Writer) error { | ||
| ctx, cancel := context.WithTimeout(context.TODO(), testTimeout) | ||
| defer cancel() | ||
|
|
||
| logOptions := &v1.PodLogOptions{ | ||
| Follow: true, | ||
| Container: containerName, | ||
| } | ||
| stream, err := clientset.CoreV1().Pods(namespace).GetLogs(podName, logOptions).Stream(ctx) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get logs for container %s in pod %s: %s", containerName, podName, err.Error()) | ||
| } | ||
| defer stream.Close() | ||
|
|
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| _, err = io.Copy(dest, stream) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to store logs for container %s in pod %s: %s", containerName, podName, err.Error()) | ||
| } | ||
| return nil | ||
| } | ||
|
|
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| func CollectLogs(ch chan *ContainerLog) []*ContainerLog { | ||
| logs := make([]*ContainerLog, 0) | ||
| for i := 0; i < cap(ch); i++ { | ||
| logs = append(logs, <-ch) | ||
| } | ||
| return logs | ||
| } | ||
|
|
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| func CollectContainersLogsToResult(result *scapiv1alpha3.TestResult, ch chan *ContainerLog) { | ||
| logs := CollectLogs(ch) | ||
| for _, log := range logs { | ||
| if log != nil { | ||
| result.Log += fmt.Sprintf("%s CONTAINER LOG:\n\n\t%s\n", strings.ToUpper(log.Container), log.Log) | ||
| } | ||
| } | ||
| } | ||
|
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| func StartLogs(clientset *kubernetes.Clientset, cr *operatorv1beta1.Cryostat) (chan *ContainerLog, error) { | ||
| podName, err := getCryostatPodNameForCR(clientset, cr) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get pod name for CR: %s", err.Error()) | ||
| } | ||
|
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| containerNames := []string{ | ||
| cr.Name, | ||
| cr.Name + "-grafana", | ||
| cr.Name + "-jfr-datasource", | ||
| } | ||
|
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| ch := make(chan *ContainerLog, len(containerNames)) | ||
|
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| for _, containerName := range containerNames { | ||
| go LogContainer(clientset, cr.Namespace, podName, containerName, ch) | ||
| } | ||
|
|
||
| return ch, nil | ||
| } |
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