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Backport of Add note about service upstream env var dot broken into release/1.16.x (#19398) 

backport of commit 8a0896d379abf684e82a8a1f436a5758402e94f6

Co-authored-by: Tu Nguyen <im2nguyen@gmail.com>
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hc-github-team-consul-core 2023-10-26 16:52:45 -04:00 committed by GitHub
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8
website/content/docs/k8s/annotations-and-labels.mdx
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@ -81,7 +81,13 @@ The following Kubernetes resource annotations could be used on a pod to control
local port to listen for those connections. When transparent proxy is enabled, local port to listen for those connections. When transparent proxy is enabled,
this annotation is optional. This annotation can be either _labeled_ or _unlabeled_. We recommend the labeled format because it has a more consistent syntax and can be used to reference cluster peers as upstreams. this annotation is optional. This annotation can be either _labeled_ or _unlabeled_. We recommend the labeled format because it has a more consistent syntax and can be used to reference cluster peers as upstreams.
- **Labeled**: <Note>
If the upstream annotation contains a dot (for example, `static-server.svc:8080`), you may not be able to reference the auto-generated environment variables (`<NAME>_CONNECT_SERVICE_HOST` and `<NAME>_CONNECT_SERVICE_PORT`) since the environment variables will also contain the dot.
</Note>
- **Labeled**:
The labeled annotation format allows you to reference any service as an upstream. You can specify a Consul Enterprise namespace. You can also specify an admin partition in the same datacenter, a cluster peer, or a WAN-federated datacenter. The labeled annotation format allows you to reference any service as an upstream. You can specify a Consul Enterprise namespace. You can also specify an admin partition in the same datacenter, a cluster peer, or a WAN-federated datacenter.

6
website/content/docs/k8s/connect/index.mdx
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@ -168,6 +168,12 @@ upstream. This is analogous to the standard Kubernetes service environment varia
point instead to the correct local proxy port to establish connections via point instead to the correct local proxy port to establish connections via
service mesh. service mesh.
<Note>
If the upstream annotation contains a dot (for example, `static-server.svc:8080`), you may not be able to reference the auto-generated environment variables (`<NAME>_CONNECT_SERVICE_HOST` and `<NAME>_CONNECT_SERVICE_PORT`) since the environment variables will also contain the dot.
</Note>
You can verify access to the static text server using `kubectl exec`. You can verify access to the static text server using `kubectl exec`.
Because transparent proxy is enabled by default, Because transparent proxy is enabled by default,
use Kubernetes DNS to connect to your desired upstream. use Kubernetes DNS to connect to your desired upstream.