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Merge pull request #9638 from hexfusion/df

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Documentation: binding listeners must be IP.
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Gyuho Lee 2018-05-02 09:56:43 -07:00 committed by GitHub
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15
Documentation/op-guide/clustering.md
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@ -391,7 +391,8 @@ infra2.example.com. 300 IN A 10.0.1.12
#### Bootstrap the etcd cluster using DNS
etcd cluster members can listen on domain names or IP address, the bootstrap process will resolve DNS A records.
etcd cluster members can advertise domain names or IP address, the bootstrap process will resolve DNS A records.
Since 3.2 (3.1 prints warnings) `--listen-peer-urls` and `--listen-client-urls` will reject domain name for the network interface binding.
The resolved address in `--initial-advertise-peer-urls` *must match* one of the resolved addresses in the SRV targets. The etcd member reads the resolved address to find out if it belongs to the cluster defined in the SRV records.
@ -402,8 +403,8 @@ $ etcd --name infra0 \
--initial-cluster-token etcd-cluster-1 \
--initial-cluster-state new \
--advertise-client-urls http://infra0.example.com:2379 \
--listen-client-urls http://infra0.example.com:2379 \
--listen-peer-urls http://infra0.example.com:2380
--listen-client-urls http://0.0.0.0:2379 \
--listen-peer-urls http://0.0.0.0:2380
```
```
@ -413,8 +414,8 @@ $ etcd --name infra1 \
--initial-cluster-token etcd-cluster-1 \
--initial-cluster-state new \
--advertise-client-urls http://infra1.example.com:2379 \
--listen-client-urls http://infra1.example.com:2379 \
--listen-peer-urls http://infra1.example.com:2380
--listen-client-urls http://0.0.0.0:2379 \
--listen-peer-urls http://0.0.0.0:2380
```
```
@ -424,8 +425,8 @@ $ etcd --name infra2 \
--initial-cluster-token etcd-cluster-1 \
--initial-cluster-state new \
--advertise-client-urls http://infra2.example.com:2379 \
--listen-client-urls http://infra2.example.com:2379 \
--listen-peer-urls http://infra2.example.com:2380
--listen-client-urls http://0.0.0.0:2379 \
--listen-peer-urls http://0.0.0.0:2380
```
The cluster can also bootstrap using IP addresses instead of domain names: