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Fix comments of 5262 (#6206) 

* add "for" in description: ... configure Istio for Kubernetes External Services

* add "in the default namespace" to "create a Kubernetes ExternalName Service"

* mention the Kubernetes DNS format for services
This commit is contained in:
Vadim Eisenberg 2020-01-03 21:32:24 +02:00 committed by Istio Automation
parent 0906da388f
commit b6a786ca93
1 changed files with 4 additions and 3 deletions
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7
content/en/docs/tasks/traffic-management/egress/egress-kubernetes-services/index.md
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@ -1,6 +1,6 @@
--- ---
title: Kubernetes Services for Egress Traffic title: Kubernetes Services for Egress Traffic
description: Shows how to configure Istio Kubernetes External Services. description: Shows how to configure Istio for Kubernetes External Services.
keywords: [traffic-management,egress] keywords: [traffic-management,egress]
weight: 60 weight: 60
--- ---
@ -58,7 +58,7 @@ Kubernetes Services for egress traffic work with other protocols as well.
1. Create a Kubernetes 1. Create a Kubernetes
[ExternalName](https://kubernetes.io/docs/concepts/services-networking/service/#externalname) service [ExternalName](https://kubernetes.io/docs/concepts/services-networking/service/#externalname) service
for `httpbin.org`: for `httpbin.org` in the default namespace:
{{< text bash >}} {{< text bash >}}
$ kubectl apply -f - <<EOF $ kubectl apply -f - <<EOF
@ -84,7 +84,8 @@ Kubernetes Services for egress traffic work with other protocols as well.
my-httpbin ExternalName <none> httpbin.org 80/TCP 4s my-httpbin ExternalName <none> httpbin.org 80/TCP 4s
{{< /text >}} {{< /text >}}
1. Access `httpbin.org` via the Kubernetes service's hostname from the source pod without Istio sidecar: 1. Access `httpbin.org` via the Kubernetes service's hostname from the source pod without Istio sidecar.
Note that the _curl_ command below uses the [Kubernetes DNS format for services](https://v1-13.docs.kubernetes.io/docs/concepts/services-networking/dns-pod-service/#a-records): `<service name>.<namespace>.svc.cluster.local`.
{{< text bash >}} {{< text bash >}}
$ kubectl exec -it $SOURCE_POD_WITHOUT_ISTIO -n without-istio -c sleep -- curl my-httpbin.default.svc.cluster.local/headers $ kubectl exec -it $SOURCE_POD_WITHOUT_ISTIO -n without-istio -c sleep -- curl my-httpbin.default.svc.cluster.local/headers