我想对某些Kubernetes/Openshift事件做出反应,因此,我需要一个所有可能的(Kubernetes(事件及其类型的列表(正常与警告(。
Openshift事件列表(但没有类型信息(
事件数据示例:
{
"metadata": {
...
},
"involvedObject": {
...
},
"reason": "Created",
"firstTimestamp": "...",
"lastTimestamp": "...",
"count": 1,
"type": "Normal",
"eventTime": null,
}
事件的类型和原因之间有什么关系吗?
如何创建/找到这样一个全面的列表(事件原因+类型+涉及对象类型(?
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我还没有找到类似于问题中使用的OpenShift文档的Kubernetes等价物:
- Docs.openshift.com:容器平台:3.11:开发指南:事件
从Kubernetes的角度来看,您可以查看组件的源代码,看看它们可以发送什么事件。
Kubelet
示例:
- Github.com:Kubernetes:Kubelets:Events:event.go
const (
FailedToKillPod = "FailedKillPod"
FailedToCreatePodContainer = "FailedCreatePodContainer"
FailedToMakePodDataDirectories = "Failed"
NetworkNotReady = "NetworkNotReady"
)
const (
CreatedContainer = "Created"
StartedContainer = "Started"
FailedToCreateContainer = "Failed"
FailedToStartContainer = "Failed"
KillingContainer = "Killing"
PreemptContainer = "Preempting"
BackOffStartContainer = "BackOff"
ExceededGracePeriod = "ExceededGracePeriod"
)
事件的类型和原因之间的关系可以描述为:
- Github.com:Kubernetes:Pkg:Apis:Core:types.go:Line 4670
// Valid values for event types (new types could be added in future)
const (
// Information only and will not cause any problems
EventTypeNormal string = "Normal"
// These events are to warn that something might go wrong
EventTypeWarning string = "Warning"
)
正如您在下面所看到的,Normal
类型事件用于未导致任何问题的信息。在出现问题(尝试下载不存在的映像:fake
(时创建了Warning
类型事件:
11s Warning Failed pod/fake-f68cd66bc-hgxxv Error: ErrImagePull
11s Normal BackOff pod/fake-f68cd66bc-hgxxv Back-off pulling image "fake"
11s Warning Failed pod/fake-f68cd66bc-hgxxv Error: ImagePullBackOff
14s Normal SuccessfulCreate replicaset/fake-f68cd66bc Created pod: fake-f68cd66bc-hgxxv
14s Normal ScalingReplicaSet deployment/fake Scaled up replica set fake-f68cd66bc to 1
50s Normal Scheduled pod/nginx-6799fc88d8-ks76h Successfully assigned default/nginx-6799fc88d8-ks76h to docker-desktop
要获得集群中发生的事件的列表,您可以尝试使用Kubernetes集群中的专用应用程序来监视事件,并将其存储在您选择的存储选项中。
其他资源:
- Cncf.io:博客:2020-12-10:云原生可观察性的顶级Kubernetes API:第1部分:Kubernets度量服务容器API 3
- Kubernetes.io:Docs:Reference:生成:Kubernetes api:v1.20:事件v1核心