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Merge pull request #2018 from timtorChen/doc-update

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Document annotation-filter usage
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Kubernetes Prow Robot 2021-04-03 02:44:12 -07:00 committed by GitHub
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4
docs/faq.md
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@ -254,8 +254,8 @@ one to expose DNS to the internet.
To do this with ExternalDNS you can use the `--annotation-filter` to specifically tie an instance of ExternalDNS to
an instance of a ingress controller. Let's assume you have two ingress controllers `nginx-internal` and `nginx-external`
then you can start two ExternalDNS providers one with `--annotation-filter=kubernetes.io/ingress.class=nginx-internal`
and one with `--annotation-filter=kubernetes.io/ingress.class=nginx-external`.
then you can start two ExternalDNS providers one with `--annotation-filter=kubernetes.io/ingress.class in (nginx-internal)`
and one with `--annotation-filter=kubernetes.io/ingress.class in (nginx-external)`.
Beware when using multiple sources, e.g. `--source=service --source=ingress`, `--annotation-filter` will filter every given source objects.
If you need to filter only one specific source you have to run a separated external dns service containing only the wanted `--source` and `--annotation-filter`.

4
docs/tutorials/public-private-route53.md
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@ -241,7 +241,7 @@ spec:
- --provider=aws
- --registry=txt
- --txt-owner-id=external-dns
- --annotation-filter=kubernetes.io/ingress.class=external-ingress
- --annotation-filter=kubernetes.io/ingress.class in (external-ingress)
- --aws-zone-type=public
image: k8s.gcr.io/external-dns/external-dns:v0.7.6
name: external-dns-public
@ -279,7 +279,7 @@ spec:
- --provider=aws
- --registry=txt
- --txt-owner-id=dev.k8s.nexus
- --annotation-filter=kubernetes.io/ingress.class=internal-ingress
- --annotation-filter=kubernetes.io/ingress.class in (internal-ingress)
- --aws-zone-type=private
image: k8s.gcr.io/external-dns/external-dns:v0.7.6
name: external-dns-private