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该策略设置为仅更新插入，这很奇怪。日志说它正在删除条目并添加一个新条目。因此，它正在与新集群上的应用程序新实例争夺记录的真实性。我在旧集群上使用 helm3 uninstall 卸载了应用程序。这个挥之不去的位正在反复降低我们的应用程序。我该如何摆脱它？外部 dns 如何获知新的和已卸载的应用程序？

Error
2022-02-09 11:23:28.603 ESTtime="2022-02-09T16:23:28Z" level=info msg="Changing record." action=CREATE record=kayak.domain.org ttl=1 type=A zone=e97957d24b2e45b7b42884d8cc64e9b4
Error
2022-02-09 11:23:29.798 ESTtime="2022-02-09T16:23:29Z" level=info msg="Changing record." action=DELETE record=kayak.domain.org ttl=1 type=A zone=e97957d24b2e45b7b42884d8cc64e9b4
Error
2022-02-09 11:23:30.943 ESTtime="2022-02-09T16:23:30Z" level=info msg="Changing record." action=CREATE record=kayak.domain.org ttl=1 type=TXT zone=e97957d24b2e45b7b42884d8cc64e9b4
Error
2022-02-09 11:23:32.137 ESTtime="2022-02-09T16:23:32Z" level=info msg="Changing record." action=DELETE record=kayak.domain.org ttl=1 type=TXT zone=e97957d24b2e45b7b42884d8cc64e9b4

yaml 配置在这里：

spec:
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchLabels:
                  app.kubernetes.io/instance: external-dns
                  app.kubernetes.io/name: external-dns
              namespaces:
              - external-dns
              topologyKey: kubernetes.io/hostname
            weight: 1
      containers:
      - args:
        - --metrics-address=:7979
        - --log-level=info
        - --log-format=text
        - --domain-filter=domain1.org
        - --domain-filter=domain2.org
        - --domain-filter=domain3.org
        - --policy=upsert-only
        - --provider=cloudflare
        - --registry=txt
        - --interval=1m
        - --txt-owner-id=gcp-project-name
        - --source=service
        - --source=ingress
        - --cloudflare-proxied
        env:
        - name: CF_API_TOKEN
          valueFrom:
            secretKeyRef:
              key: cloudflare_api_token
              name: external-dns
              optional: true
        - name: CF_API_KEY
          valueFrom:
            secretKeyRef:
              key: cloudflare_api_key
              name: external-dns
              optional: true
        - name: CF_API_EMAIL
          value: email@domain.org
        image: docker.io/bitnami/external-dns:0.10.2-debian-10-r27
        imagePullPolicy: IfNotPresent
        livenessProbe:
          failureThreshold: 2
          httpGet:
            path: /healthz
            port: http
            scheme: HTTP
          initialDelaySeconds: 10
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 5
        name: external-dns
        ports:
        - containerPort: 7979
          name: http
          protocol: TCP
        readinessProbe:
          failureThreshold: 6
          httpGet:
            path: /healthz
            port: http
            scheme: HTTP
          initialDelaySeconds: 5
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 5
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext:
        fsGroup: 1001
        runAsUser: 1001
      serviceAccount: external-dns
      serviceAccountName: external-dns
      terminationGracePeriodSeconds: 30
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