Home » Computer » Network » Cloud » AWS » 用 Amazon Route 53 做 Service Discovery

Amazon Route 53 的新功能,可以解決以前自己要建立 Service Discovery 服務的工作:「Amazon Route 53 Releases Auto Naming API for Service Name Management and Discovery」。官方的文件在「Using Autonaming for Service Discovery」這邊。

不過目前有些限制,一個 namespace (domain name) 目前只能有五個服務:

DNS settings for up to five records.

然後 DNS 回應時,最多回八個 record:

When Amazon Route 53 receives a DNS query for the name of an instance, such as backend.example.com, it responds with up to eight IP addresses (for A or AAAA records) or up to eight SRV record values.

回應八個 record,但應該是可以註冊超過八個吧... (i.e. 每次都回不一樣)

自建服務 (像是 Cassandra 或是 ScyllaDB) 可以直接用這個服務掛上去,就不用自己架 Consul 了。

目前支援了這四區,亞洲不在這波提供範圍:

Amazon Route 53 Auto Naming is available in US East (N. Virginia), US East (Ohio), US West (Oregon), and EU (Ireland) regions.

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