有没有办法为两个集群配置 ALB? [英] Is a there way to config an ALB for two clusters?
问题描述
我正在尝试在 AWS 中为同一个 VPC 中的两个集群设置一个负载均衡器，这可能吗?
I'm trying to set up a single loadbalancer in AWS for two clusters in a the same VPC, is that possible?
因为它只提供一个 DNS 名称，有时路由到集群 A，有时路由到集群 B.
Because it only provides one DNS name which sometimes routes to cluster A and sometimes cluster B.
推荐答案
是的，您绝对可以在位于不同 AZ 的多个集群前面使用单个 LB.
yes you can defintely use a single LB in front of multiple clusters which are in different AZ .
一个 DNS 名称，有时路由到集群 A，有时路由到集群 B.
one DNS name which sometimes routes to cluster A and sometimes cluster B.
ALB 确实公开了一个主机名，该主机名路由到集群 A，有时路由到集群 B，因为这就是负载平衡的含义，将负载/流量平衡到不同的集群，但这种情况正在发生，因为现在可能两个集群都已注册到一个目标群体.
Its true that ALB exposes a single hostname which routes to cluster A and sometimes cluster B because this is what load balancing means, balancing load/raffic to different clusters, but this is happening because right now may be both the clusters are registered to a single target group.
但是，您可以在目标组 1 中注册集群 1，在目标组 2 中注册另一个集群 2.ALB 允许您将请求路由到 不同的目标群体基于;-
However, you can register cluster 1 in target group 1 and another cluster 2 in target group 2. ALB allows you to route request to different target group based on ;-
- url 中的路径
- 主机名
- 查询字符串
- 源 IP 条件
- HTTP 标头
- 主机头
例如在路径条件中的 URL 的情况下 www.example.com/a 将到达目标组 1 意味着集群 1 并且对于 www.example.com/b 请求将到达目标第 2 组表示第 2 组
so for example in the case of URL in path condition www.example.com/a will got to target group one means cluster 1 and for www.example.com/b request will got to target group 2 means cluster 2
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