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Prerequisites

GM will be deployed to a node which has satisfied these requirements:

  1. Has a IP address which the edge can access to.

Simply you can use the node which cloudcore of kubeedge is deployed at.

Deploy Sedna

Currently we need to deploy GM to a k8s node which edge node can access to.

More specifically, the k8s node has a INTERNAL-IP or EXTERNAL-IP where edge node can access to.

For example, in a kind cluster kubectl get node -o wide:

NAME                  STATUS   ROLES                  AGE     VERSION                   INTERNAL-IP     EXTERNAL-IP   OS-IMAGE             KERNEL-VERSION       CONTAINER-RUNTIME
edge-node             Ready    agent,edge             3d21h   v1.19.3-kubeedge-v1.6.1   192.168.0.233   <none>        Ubuntu 18.04.5 LTS   4.15.0-128-generic   docker://20.10.2
sedna-control-plane   Ready    control-plane,master   3d21h   v1.20.2                   172.18.0.2      <none>        Ubuntu 20.10         4.15.0-128-generic   containerd://1.5.0-beta.3-24-g95513021e

In this example the node sedna-control-plane has a internal-ip 172.18.0.2, and edge-node can access it.

So we can set SEDNA_GM_NODE=sedna-control-plane in below instructions:

# set the right node where edge node can be access
# SEDNA_GM_NODE=sedna-control-plane
SEDNA_GM_NODE=CHANGE-ME-HERE

curl https://raw.githubusercontent.com/kubeedge/sedna/main/scripts/installation/install.sh | SEDNA_GM_NODE=$SEDNA_GM_NODE bash -

Debug

1. Check the GM status:

kubectl get deploy -n sedna gm

2. Check the LC status:

kubectl get ds lc -n sedna

3. Check the pod status:

kubectl get pod -n sedna

Uninstall Sedna

# set the right node where edge node can be access
# SEDNA_GM_NODE=sedna-control-plane
SEDNA_GM_NODE=CHANGE-ME-HERE

curl https://raw.githubusercontent.com/kubeedge/sedna/main/scripts/installation/install.sh | SEDNA_GM_NODE=$SEDNA_GM_NODE SEDNA_ACTION=delete bash -