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我正在尝试使用外部 DNS 和 Istio 网关在 Google Cloud DNS 上自动创建记录。我看到在过去的几天里，外部 DNS 存储库发生了很多变化，所以我将过去能够做到这一点的事实归咎于这些变化，而不再是这样了！

无论如何，这是我的网关和值文件：

apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: example-gateway
  namespace: default
  annotations:
    istio-type: internal
spec:
  selector:
    istio: internalgateway
  servers:
  - hosts:
    - '*.example.com'
    - example.com
    port:
      name: http
      number: 80
      protocol: HTTP
    tls:
      httpsRedirect: true
  - hosts:
    - '*.example.com'
    - example.com
    port:
      name: https
      number: 443
      protocol: HTTPS
    tls:
      mode: SIMPLE
      privateKey: /etc/istio/ingressgateway-certs/tls.key
      serverCertificate: /etc/istio/ingressgateway-certs/tls.crt

这就是我的价值观：

image:
  registry: registry.opensource.zalan.do
  repository: teapot/external-dns
  tag: latest
...
sources:
#  - service
#  - ingress
  - istio-gateway
#  - crd
...
provider: google

publishInternalServices: true

google:
  ## Google Project to use
  ##
  project: "XXX"
  serviceAccountSecret: "clouddns"
  serviceAccountKey: "credentials.json"

domainFilters:
  - example.com

annotationFilter: "type=internal"
...
rbac:
  create: true
...

这是我从 external-dns pod 获取的日志：

...
time="2019-07-05T16:09:11Z" level=info msg="Created Istio client"
time="2019-07-05T16:09:11Z" level=info msg="All records are already up to date"

虽然很明显，我的 Cloud DNS 区域中不存在这些记录。

关于为什么 external-dns 看不到我的网关的任何想法？

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