Pod相关标签
Pod的Yaml
{
"metadata": {
"name": "",//Pod名称
"generateName": "",
"namespace": , //名称空间
"selfLink": "",
"uid": "",
"resourceVersion": "",
"creationTimestamp": "2021-07-31T02:52:12Z", //创建时间
"labels": {//标签
"app": "nginx",
"k8s.kuboard.cn/layer": "web",
},
"annotations": {//注释
"cni.projectcalico.org/podIP": "1.1.7.192/32",
"cni.projectcalico.org/podIPs": "1.1.7.194/32"
},
"ownerReferences": [
{
"apiVersion": "apps/v1",
"kind": "ReplicaSet",
"name": "",
"uid": "",
"controller": true,
"blockOwnerDeletion": true
}
]
},
"spec": {
"volumes": [//存储卷
{
"name": "configmap", -- 数据卷名称
"configMap": { -- 数据卷ConfigMap类型
"name": "cmtest", -- 数据卷名称
"items": [
{
"key": "mycm",
"path": "map"
}
],
"defaultMode": 420// configmap类型
}
},
{
"name": "secret", -- 数据卷名称
"secret": {-- 数据卷secret类型
"secretName": "wordpress-secret",-- secret名称
"items": [
{
"key": "WORDPRESS_DB_PASSWORD",
"path": "sc"
}
],
"defaultMode": 420// secret类型
}
},
{
"name": "pvc", -- 数据卷名称
"persistentVolumeClaim": { -- 存储卷声明类型
"claimName": "wordpress-pvc"
}
},
{
"name": "default-token-tt5tt",
"secret": {
"secretName": "default-token-tt5tt",
"defaultMode": 420
}
}
],
"containers": [ //containers为工作容器
{
"name": "nginx", //容器名称
"image": "nginx:1.12", //镜像名称
"resources": {
"limits": {
"cpu": "600m",//cpu最大值
"memory": "300M"//内存最大值
},
"requests": {
"cpu": "500m",//cpu最小值
"memory": "200M" //内存小值
}
},
"volumeMounts": [//挂载点
{
"name": "configmap",
"mountPath": "/opt/cm"//容器内目标路径
},
{
"name": "secret",
"mountPath": ""
},
{
"name": "pvc",
"mountPath": "/opt/pvc"
},
{
"name": "",
"readOnly": true,
"mountPath": ""
}
],
"terminationMessagePath": "",
"terminationMessagePolicy": "File",
"imagePullPolicy": "Always"
}
],
"restartPolicy": "Always", //重启策略
"terminationGracePeriodSeconds": 30, //终止等待时间
"dnsPolicy": "ClusterFirst", //DNS Policy ClusterFirstWithHostNet、ClusterFirst、Default、None
"serviceAccountName": "default", //serviceAccountName
"serviceAccount": "default", //serviceAccount
"nodeName": "", //所在节点
"securityContext": {},
"schedulerName": "default-scheduler",
"tolerations": [
{
"key": "node.kubernetes.io/not-ready", //容忍名称
"operator": "Exists", //操作 Exists，Equal
"effect": "NoExecute", //NoSchedule、PreferNoSchedule、NoExecute 、默认所有
"tolerationSeconds": 300 //操作时间
},
{
"key": "node.kubernetes.io/unreachable",
"operator": "Exists",
"effect": "NoExecute",
"tolerationSeconds": 300
}
],
"priority": 0,
"dnsConfig": {},
"enableServiceLinks": true,
"preemptionPolicy": "PreemptLowerPriority"
},
"status": {
"phase": "Running",
"conditions": [
{
"type": "Initialized",
"status": "True",
"lastProbeTime": null,
"lastTransitionTime": ""
},
{
"type": "Ready",
"status": "True",
"lastProbeTime": null,
"lastTransitionTime": ""
},
{
"type": "ContainersReady",
"status": "True",
"lastProbeTime": null,
"lastTransitionTime": ""
},
{
"type": "PodScheduled",
"status": "True",
"lastProbeTime": null,
"lastTransitionTime": ""
}
],
"hostIP": "", //主机IP
"podIP": "", //容器组IP
"podIPs": [
{
"ip": ""
}
],
"startTime": "", //开始时间
"containerStatuses": [ //容器
{
"name": "nginx",
"state": { //容器状态 分为["running","waiting","terminated"],
"running": {
"startedAt": ""
}
},
"lastState": {},
"ready": true, //就绪状态
"restartCount": 0,
"image": "docker.io/library/nginx:1.12",
"imageID": "",
"containerID": "",
"started": true
}
],
"qosClass": "Burstable"
}
}
环境变量不同类型详情
关于容器组信息
- metadata.name类型
{
"env":[
{
"name": "aviliage",
"valueFrom": {
"fieldRef": {
"apiVersion": "v1",
"fieldPath": "metadata.name"
}
}
}]
}
- spec.nodeName类型
{
"env":[
{
"name": "aviliage",
"valueFrom": {
"fieldRef": {
"apiVersion": "v1",
"fieldPath": "spec.nodeName"
}
}
}]
}
- status.hostIP类型
{
"env":[
{
"name": "aviliage",
"valueFrom": {
"fieldRef": {
"apiVersion": "v1",
"fieldPath": "status.podIP"
}
}
}]
}
关于资源信息
{
"env":[
{
"name": "aviliage",
"valueFrom": {
"resourceFieldRef": {
"resource": "requests.cpu",
"divisor": "",
}
}
}]
}
关于ComfigMap
{
"env":[
{
"name": "aviliage",
"valueFrom": {
"configMapKeyRef": {
"name": "special-config", //configmap名称
"key": "special.how"
}
}
}]
}
关于Secret
{
"env":[
{
"name": "aviliage",
"valueFrom": {
"secretKeyRef": {
"name": "special-config", //secret名称
"key": "special.how"
}
}
}]
}
关于环境变量配置的请求
{
"env":[
{
"name": "aviliage",
"valueFrom": {
"secretKeyRef": {
"name": "special-config", //secret名称
"key": "special.how"
}
}
}]
}
关于环境变量配置的请求
{
"envFrom": [
{
"configMapRef":{
"name":"envfrom-config" \\configmap名称
}
}
]
}
Pod Volume不同类型详情描述
- emptyDir类型
{
"volumes": [ //存储卷
{
"emptyDir": {}, -- 数据卷EmptyDir类型
"name": "volume1" -- 数据卷名称
},
],
}
- Secret类型
{
"volumes": [
{
"name": "volume4", // 数据卷名称
"secret": { //数据卷secret类型
"items": [
{
"key": "admin",
"path": "usr/local"
}
],
"secretName": "test-secret" //secret名称
"defaultMode": 420
}
}
]
}
- HostPath类型
{"volumes": [
{
"hostPath": { -- 数据卷HostPath类型
"path": "/usr/local",
"type": ""
},
"name": "volume2" -- 数据卷名称
},
],
}
- ConfigMap类型
{
"volumes": [ //存储卷
{
"configMap": { -- 数据卷ConfigMap类型
"items": [
{
"key": "user",
"path": "usr/log"
}
],
"name": "testconfigmap" -- 数据卷名称
},
"name": "volume3"
},
],
}
- Nfs类型
{
"volumes": [ //存储卷
{
"name": "volume0", -- 数据卷名称
"nfs": { -- 数据卷NFS类型
"path": "/usr/local",
"server": "http://localhost:8080/"
}
}
]
}
- PersistentVolumeClaim类型
{
"volumes": [ //存储卷
{
"name": "volume5", -- 数据卷名称
"persistentVolumeClaim": { -- 存储卷声明类型
"claimName": "test-volume"
}
}
]
}
容器 Volume Mount 不同类型详情
{
"volumeMounts": [
{
"mountPath": "/root", //容器内目标路径
"mountPropagation": "HostToContainer", //确定容器挂载方式 ["None","HostToContainer","Bidirectional"]
"name": "test-volume", //选择的卷名称
"readOnly": true, //是否只读
"subPath": "usr/log", //父路径
"subPathExpr": "",
}
]
}
就绪检查不同类型详情
就绪检查类型分为: ["httpGet","tcpSocket","exec"]
- HttpGet类型详情
{
"readinessProbe": {
"failureThreshold": 3, // 不健康阈值
"initialDelaySeconds": 5, // 延迟探测时间
"periodSeconds": 10, // 执行探测频率
"successThreshold": 1, // 健康阈值
"httpGet": { // TCP 连接
"host": "111.168.0.1", //检测地址
"path": "/", //路径
"port": , //端口
"scheme": "HTTPS", //协议
"httpHeaders": [
{
"name": "", //headers 名称
"value": "", //headers value
}
]
},
"timeoutSeconds": 1 //超时时间
}
}
- TcpSocket类型详情
{
"readinessProbe": {
"failureThreshold": 3, // 不健康阈值
"initialDelaySeconds": 5, // 延迟探测时间
"periodSeconds": 10, // 执行探测频率
"successThreshold": 1, // 健康阈值
"tcpSocket": { // TCP 连接
"host": "111.168.0.1", //地址
"port": 8080 //端口
},
"timeoutSeconds": 1 //超时时间
}
}
- Exec类型详情
{
"readinessProbe": {
"failureThreshold": 3, // 不健康阈值
"initialDelaySeconds": 5, // 延迟探测时间
"periodSeconds": 10, // 执行探测频率
"successThreshold": 1, // 健康阈值
"exec": {
"command": [
"/bin/bash",
"/tmp/test.sh"
],
},
"timeoutSeconds": 1 //超时时间
}
}
存活检查不同类型详情
存活检查类型分为: ["httpGet","tcpSocket","exec"]
- HttpGet类型详情
{
"livenessProbe": {
"failureThreshold": 3, // 不健康阈值
"initialDelaySeconds": 5, // 延迟探测时间
"periodSeconds": 10, // 执行探测频率
"successThreshold": 1, // 健康阈值
"httpGet": { // TCP 连接
"host": "111.168.0.1", //检测地址
"path": "/", //路径
"port": , //端口
"scheme": "HTTPS", //协议
"httpHeaders": [
{
"name": "", //headers 名称
"value": "", //headers value
}
]
},
"timeoutSeconds": 1 //超时时间
}
}
- TcpSocket类型详情
{
"livenessProbe": {
"failureThreshold": 3, // 不健康阈值
"initialDelaySeconds": 5, // 延迟探测时间
"periodSeconds": 10, // 执行探测频率
"successThreshold": 1, // 健康阈值
"tcpSocket": { // TCP 连接
"host": "111.168.0.1", //地址
"port": 8082 //端口
},
"timeoutSeconds": 1 //超时时间
}
}
- Exec类型详情
{
"livenessProbe": {
"failureThreshold": 3, // 不健康阈值
"initialDelaySeconds": 5, // 延迟探测时间
"periodSeconds": 10, // 执行探测频率
"successThreshold": 1, // 健康阈值
"exec": {
"command": [
"/bin/bash",
"/tmp/test.sh"
],
},
"timeoutSeconds": 1 //超时时间
}
}
