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refactor: simplify scripts for adding ip routes to machines
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@@ -23,22 +23,16 @@ Print the internal IP address and Pod CIDR range for each worker instance:
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```
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```bash
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ssh root@server <<EOF
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ip route add ${NODE_0_SUBNET} via ${NODE_0_IP}
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ip route add ${NODE_1_SUBNET} via ${NODE_1_IP}
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EOF
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ssh root@server "ip route add ${NODE_0_SUBNET} via ${NODE_0_IP}"
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ssh root@server "ip route add ${NODE_1_SUBNET} via ${NODE_1_IP}"
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```
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```bash
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ssh root@node-0 <<EOF
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ip route add ${NODE_1_SUBNET} via ${NODE_1_IP}
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EOF
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ssh root@node-0 "ip route add ${NODE_1_SUBNET} via ${NODE_1_IP}"
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```
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```bash
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ssh root@node-1 <<EOF
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ip route add ${NODE_0_SUBNET} via ${NODE_0_IP}
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EOF
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ssh root@node-1 "ip route add ${NODE_0_SUBNET} via ${NODE_0_IP}"
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```
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## Verification
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