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docs: update multi-cluster-services examples

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Lucas Servén Marín
2019-05-10 02:42:20 +02:00
parent 35390054ba
commit bbbfc0548f
2 changed files with 35 additions and 19 deletions
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12
README.md
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@@ -117,10 +117,14 @@ This allows workloads running in one cluster to access services running in anoth
For example, if `cluster1` is running a Kubernetes Service that we need to access from Pods running in `cluster2`, we could do the following:
```shell
# Register cluster1 as a peer of cluster2.
kgctl --kubeconfig $KUBECONFIG1 showconf node $NODE1 --as-peer -o yaml --allowed-ips $PODCIDR1,$SERVICECIDR1 | kubectl --kubeconfig KUBECONFIG2 apply -f -
# Register cluster2 as a peer of cluster1.
kgctl --kubeconfig $KUBECONFIG2 showconf node $NODE2 --as-peer -o yaml --allowed-ips $PODCIDR2,$SERVICECIDR2 | kubectl --kubeconfig KUBECONFIG1 apply -f -
# Register the nodes in cluster1 as peers of cluster2.
for n in $(kubectl --kubeconfig $KUBECONFIG1 get no -o name | cut -d'/' -f2); do
kgctl --kubeconfig $KUBECONFIG1 showconf node $n --as-peer -o yaml --allowed-ips $SERVICECIDR1 | kubectl --kubeconfig KUBECONFIG2 apply -f -
done
# Register the nodes in cluster2 as peers of cluster1.
for n in $(kubectl --kubeconfig $KUBECONFIG2 get no -o name | cut -d'/' -f2); do
kgctl --kubeconfig $KUBECONFIG2 showconf node $n --as-peer -o yaml --allowed-ips $SERVICECIDR2 | kubectl --kubeconfig KUBECONFIG1 apply -f -
done
# Create a Service in cluster2 to mirror the Service in cluster1.
cat <<'EOF' | kubectl --kubeconfig $KUBECONFIG2 apply -f -
apiVersion: v1