红帽全球峰会15.5. annotations
使用 annotations 属性向与监听器相关的 OpenShift 资源添加注解。例如，您可以使用这些注解来检测 DNS 工具，如 外部 DNS，它们会自动为 loadbalancer 服务分配 DNS 名称。
类型为 loadbalancer 的使用 annotations 的一个外部监听程序的示例。
# ...
listeners:
#...
- name: external
port: 9094
type: loadbalancer
tls: true
authentication:
type: tls
configuration:
bootstrap:
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-bootstrap.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
brokers:
- broker: 0
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-broker-0.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
- broker: 1
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-broker-1.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
- broker: 2
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-broker-2.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
# ...
# ...
listeners:
#...
- name: external
port: 9094
type: loadbalancer
tls: true
authentication:
type: tls
configuration:
bootstrap:
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-bootstrap.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
brokers:
- broker: 0
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-broker-0.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
- broker: 1
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-broker-1.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
- broker: 2
annotations:
external-dns.alpha.kubernetes.io/hostname: kafka-broker-2.mydomain.com.
external-dns.alpha.kubernetes.io/ttl: "60"
# ...
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