zh: sync GKE platform setup doc (#10506)

* zh: sync GKE platform setup doc

* docs(style): bold keywords instead of italics

Co-authored-by: Xunzhuo <mixdeers@gmail.com>
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youhonglian 2021-11-15 21:50:19 +08:00 committed by GitHub
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@ -71,3 +71,32 @@ test: no
--clusterrole=cluster-admin \
--user=$(gcloud config get-value core/account)
{{< /text >}}
## 多集群通信 {#multi-cluster-communication}
在某些情况下,必须明确创建防火墙规则以允许跨集群流量。
{{< warning >}}
以下说明将允许您项目中**所有**集群之间的通信。根据需要调整命令。
{{< /warning >}}
1. 收集有关集群网络的信息。
{{< text bash >}}
$ function join_by { local IFS="$1"; shift; echo "$*"; }
$ ALL_CLUSTER_CIDRS=$(gcloud --project $PROJECT_ID container clusters list --format='value(clusterIpv4Cidr)' | sort | uniq)
$ ALL_CLUSTER_CIDRS=$(join_by , $(echo "${ALL_CLUSTER_CIDRS}"))
$ ALL_CLUSTER_NETTAGS=$(gcloud --project $PROJECT_ID compute instances list --format='value(tags.items.[0])' | sort | uniq)
$ ALL_CLUSTER_NETTAGS=$(join_by , $(echo "${ALL_CLUSTER_NETTAGS}"))
{{< /text >}}
1. 创建防火墙规则。
{{< text bash >}}
$ gcloud compute firewall-rules create istio-multicluster-pods \
--allow=tcp,udp,icmp,esp,ah,sctp \
--direction=INGRESS \
--priority=900 \
--source-ranges="${ALL_CLUSTER_CIDRS}" \
--target-tags="${ALL_CLUSTER_NETTAGS}" --quiet
{{< /text >}}