apiVersion: edgecore.config.kubeedge.io/v1alpha2
kind: EdgeCore
featureGates:
  requireAuthorization: true
modules:
  ...
  metaManager:
    metaServer:
      enable: true

apiVersion: devices.kubeedge.io/v1beta1
kind: Device
metadata:
  name: onvif-device-01
  namespace: default
spec:
  deviceModelRef:
    name: onvif-model   # need to be the same as the model name defined in onvif-model.yaml
  protocol:
    protocolName: onvif
    configData:
      url: 192.168.168.64:80   # Replace it with the address of your own onvif camera
      userName: admin          # Replace it with the username of your own onvif camera
      password: /etc/secret/password   # Fill in the fields according to your secret.yaml
  nodeName: edge-node          # Replace it with your edge node name
  properties:
    - name: getURI
      visitors:
        protocolName: onvif
        configData:
          url: 192.168.168.64:80
          userName: admin
          password: /etc/secret/password
          dataType: string

apiVersion: devices.kubeedge.io/v1beta1
kind: Device
metadata:
  name: onvif-device-01
...
properties:
  - name: saveFrame                  # Convert video stream into frame
    visitors:
      protocolName: onvif
      configData:
        format: jpg                  # Frame file format
        outputDir: /tmp/case/        # Directory for output frame files
        frameCount: 30               # Number of output frames
        frameInterval: 1000000       # Time interval between frames (The unit is nanoseconds)
        dataType: stream
  - name: saveVideo                  # Convert video streams into video clips
    visitors:
      protocolName: onvif
      configData:
        frameCount: 1000             # The number of frames the video clip contains
        format: mp4                  # Video clip format
        outputDir: /tmp/case/        # Directory for output video clip
        videoNum: 2                  # Number of video clips
        dataType: stream

apiVersion: edgecore.config.kubeedge.io/v1alpha2
kind: EdgeCore
featureGates:
  moduleRestart: true

[root@centos-2 bin]# keadm ctl get pod -h
Get pods in edge node

Usage:
  keadm ctl get pod [flags]

Flags:
  -A, --all-namespaces     If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace
  -h, --help               help for pod
  -n, --namespace string   Specify a namespace (default "default")
  -o, --output string      Output format. One of: (json, yaml, name, go-template, go-template-file, template, templatefile, jsonpath, jsonpath-as-json, jsonpath-file, custom-columns, custom-columns-file, wide)
  -l, --selector string    Selector (label query) to filter on, supports '=', '==', and '!='.(e.g. -l key1=value1,key2=value2)

[root@centos-2 bin]# keadm ctl restart pod -h
Restart pods in edge node

Usage:
  keadm ctl restart pod [flags]

Flags:
  -h, --help               help for pod
  -n, --namespace string   Specify a namespace (default "default")

[root@centos-2 bin]# alias kectl='keadm ctl'
[root@centos-2 bin]# kectl get pod -owide -A
NAMESPACE   NAME                                READY   STATUS    RESTARTS      AGE   IP               NODE       NOMINATED NODE   READINESS GATES
default     nginx-deployment-58b54fbd94-f5q7p   1/1     Running   1 (20m ago)   22m   10.88.0.2        centos-2   <none>           <none>
kubeedge    edge-eclipse-mosquitto-scvrk        1/1     Running   1 (16m ago)   28m   192.168.94.106   centos-2   <none>           <none>

[root@centos-2 bin]# kectl restart pod -n kubeedge    edge-eclipse-mosquitto-scvrk
393cbcac4b484a4a28eee7dd2d63b33137a10a84d5f6eed6402b9a23efc6aef0
af4059137ced56b365da7e1c43d3ea218e3090ab7644a105651ca4661ddf26f0

[root@centos-2 bin]# kectl get pod -owide -A
NAMESPACE   NAME                                READY   STATUS    RESTARTS      AGE   IP               NODE       NOMINATED NODE   READINESS GATES
default     nginx-deployment-58b54fbd94-f5q7p   1/1     Running   1 (21m ago)   23m   10.88.0.2        centos-2   <none>           <none>
kubeedge    edge-eclipse-mosquitto-scvrk        1/1     Running   2 (10s ago)   29m   192.168.94.106   centos-2   <none>           <none>

[root@centos-2 bin]# keadm --help|grep manifest 
  manifest    Checks and generate the manifests.

example:
[root@centos-1 keepalived]# keadm manifest --advertise-address=<cloud-ip> --profile version=v1.17.0

[root@centos-2 bin]# keadm  join -h|grep image-repository
      --image-repository string          Use this key to decide which image repository to pull images from

example:
[root@centos-2 bin]# keadm join --cloudcore-ipport <cloud-ip>:10000 --kubeedge-version=1.17.0 --remote-runtime-endpoint=unix:///run/cri-dockerd.sock --image-repository my.harbor.cn/kubeedge --token xxxx

[root@centos-2 bin]# keadm  reset --help
...
Available Commands:
  cloud       Teardowns CloudCore component
  edge        Teardowns EdgeCore component
Flags:
      --force                Reset the node without prompting for confirmation
  -h, --help                 help for reset
      --kube-config string   Use this key to set kube-config path, eg: $HOME/.kube/config (default "/root/.kube/config")

[root@centos-2 bin]# keadm  reset cloud --help
...
Flags:
      --force                Reset the node without prompting for confirmation
  -h, --help                 help for cloud
      --kube-config string   Use this key to set kube-config path, eg: $HOME/.kube/config (default "/root/.kube/config")

[root@centos-2 bin]# keadm  reset edge --help
...
Flags:
      --force   Reset the node without prompting for confirmation
  -h, --help    help for edge

apiVersion: devices.kubeedge.io/v1beta1
kind: Device
...
spec:
  properties:
    - name: xxx
      ...
      pushMethod:
        dbMethod:
          mysql:
            mysqlClientConfig:
              addr: 127.0.0.1:3306    #the url to connect to the mysql database.
              database: kubeedge      #database name
              userName: root          #user name