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SSH into Rancher Kubernetes Node
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| #!/usr/bin/env bash | |
| #usage: rancher_ssh.sh node:id | |
| #example: rancher_ssh.sh c-5581v:m-ghv14 | |
| #requirements: jq, curl | |
| TOKEN="bearer token" | |
| RANCHER_URL="set or use env var including api version, example: `https://rancher.dev/v3`" | |
| function rssh() { | |
| mkdir -p $HOME/tmp/rancher | |
| #get keys | |
| /usr/bin/curl -s -L -o $HOME/tmp/rancher/rancher-keys.zip $RANCHER_URL/nodes/$1/nodeconfig -H "cookie: R_SESS=$TOKEN" --compressed | |
| #unzip and set grab key dir | |
| KEY_PATH=$(/usr/bin/unzip -o $HOME/tmp/rancher/rancher-keys.zip -d $HOME/tmp/rancher | grep id_rsa | grep -v '.pub' | awk '{ print $2 }') | |
| #cleanup | |
| rm -rf $HOME/tmp/rancher/rancher-keys.zip | |
| #get node details | |
| node=$(/usr/bin/curl -s -L $RANCHER_URL/nodes/$1 -H "cookie: R_SESS=$TOKEN") | |
| PUB_IP=$(echo $node | jq -r '.annotations' | grep external-ip | awk '{ print $2 }' | tr -d '",') | |
| RUSER=$(echo $node | jq -r '.sshUser') | |
| #ssh to node | |
| echo "connecting to $PUB_IP as $RUSER using key $KEY_PATH" | |
| ssh -i $KEY_PATH $RUSER@$PUB_IP | |
| } | |
| rssh $1 |
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