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sedna/docs/setup/install.md

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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 SEDNA_ACTION=create bash -

The way above will require the network to access github since it will download the sedna crd yamls.
If you have unstable network to access github or existing sedna source, you can try the way:

# SEDNA_ROOT is the sedna git source directory or cached directory
export SEDNA_ROOT=/opt/sedna
curl https://raw.githubusercontent.com/kubeedge/sedna/main/scripts/installation/install.sh | SEDNA_GM_NODE=$SEDNA_GM_NODE SEDNA_ACTION=create 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 -