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container_create_module.go
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/
container_create_module.go
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package pods
import (
"strings"
"time"
"github.com/alipay/container-observability-service/pkg/reason/modules"
"github.com/alipay/container-observability-service/pkg/reason/share"
"github.com/alipay/container-observability-service/pkg/reason/utils"
"github.com/alipay/container-observability-service/pkg/shares"
utils2 "github.com/alipay/container-observability-service/pkg/utils"
v1 "k8s.io/api/core/v1"
)
func init() {
modules.ShareModuleFactory.Register(share.CONTAINER_CREATE, func() modules.DeliveryModule {
return modules.NewDAGDeliveryModule(share.CONTAINER_CREATE, ContainerCreateReason)
})
}
func ContainerCreateReason(auditEvents []*shares.AuditEvent, beginTime *time.Time, endTime *time.Time) (result string, hasError bool) {
pod := utils.GetPodYamlFromHyperEvents(auditEvents, endTime)
if pod == nil {
return "", false
}
defer utils2.IgnorePanic("analyze_container_start ")
//init容器
for _, c := range pod.Spec.InitContainers {
rs, hasError := analysisContainerCreate(&c, auditEvents, endTime)
if hasError && rs != "" {
return rs, hasError
}
}
for _, c := range pod.Spec.Containers {
rs, hasError := analysisContainerCreate(&c, auditEvents, endTime)
if hasError && rs != "" {
return rs, hasError
}
}
return "", false
}
func analysisContainerCreate(c *v1.Container, auditEvents []*shares.AuditEvent, endTime *time.Time) (string, bool) {
eventLen := len(auditEvents)
for idx := eventLen - 1; idx >= 0; idx-- {
hyEvent := auditEvents[idx]
if endTime != nil && hyEvent.Event.StageTimestamp.After(*endTime) {
continue
}
reason := ""
if hyEvent.Reason != "" {
reason = hyEvent.Reason
}
msg := ""
ev, ok := hyEvent.ResponseRuntimeObj.(*v1.Event)
if ok && ev != nil {
msg = ev.Message
}
if reason == "Created" {
startInfo := utils.GetCreatedAndStartedContainerName(msg)
if startInfo != nil {
startedContainer := startInfo[0]
if c.Name == startedContainer {
return "", false
}
}
}
//FailedCreateContainer
//msg contains "create container($containerName) on containerd" indicate during the start container stage
if reason == "Failed" && strings.Contains(msg, "failed to create container") && !strings.Contains(msg, "start container") {
return "CreateContainerError", true
}
reqObj, reqOK := hyEvent.RequestRuntimeObj.(*v1.Pod)
if reqOK {
for _, cs := range reqObj.Status.ContainerStatuses {
if c.Name == cs.Name && cs.State.Waiting != nil && cs.State.Waiting.Reason == "CreateContainerError" {
return "CreateContainerError", true
}
}
}
}
return "", false
}