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add the provider for the tencent cloud.
Signed-off-by: misakazhou <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| # Setting up ExternalDNS for Tencent Cloud | ||
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| ## External Dns Version | ||
| * Make sure to use **>=1.7.2** version of ExternalDNS for this tutorial | ||
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| ## Set up PrivateDns or DNSPod | ||
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| Tencent Cloud DNSPod Service is the domain name resolution and management service for public access. | ||
| Tencent Cloud PrivateDNS Service is the domain name resolution and management service for VPC internal access. | ||
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| * If you want to use internal dns service in Tencent Cloud. | ||
| 1. Set up the args `--tencent-cloud-zone-type=private` | ||
| 2. Create a DNS domain in PrivateDNS console. DNS domain which will contain the managed DNS records. | ||
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| * If you want to use public dns service in Tencent Cloud. | ||
| 1. Set up the args `--tencent-cloud-zone-type=public` | ||
| 2. Create a Domain in DnsPod console. DNS domain which will contain the managed DNS records. | ||
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| ## Set up CAM for API Key | ||
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| In Tencent CAM Console. you may get the secretId and secretKey pair. make sure the key pair has those Policy. | ||
| ```json | ||
| { | ||
| "version": "2.0", | ||
| "statement": [ | ||
| { | ||
| "effect": "allow", | ||
| "action": [ | ||
| "dnspod:ModifyRecord", | ||
| "dnspod:DeleteRecord", | ||
| "dnspod:CreateRecord", | ||
| "dnspod:DescribeRecordList", | ||
| "dnspod:DescribeDomainList" | ||
| ], | ||
| "resource": [ | ||
| "*" | ||
| ] | ||
| }, | ||
| { | ||
| "effect": "allow", | ||
| "action": [ | ||
| "privatedns:DescribePrivateZoneList", | ||
| "privatedns:DescribePrivateZoneRecordList", | ||
| "privatedns:CreatePrivateZoneRecord", | ||
| "privatedns:DeletePrivateZoneRecord", | ||
| "privatedns:ModifyPrivateZoneRecord" | ||
| ], | ||
| "resource": [ | ||
| "*" | ||
| ] | ||
| } | ||
| ] | ||
| } | ||
| ``` | ||
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| # Deploy ExternalDNS | ||
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| ## Manifest (for clusters with RBAC enabled) | ||
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| ```yaml | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: external-dns | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRole | ||
| metadata: | ||
| name: external-dns | ||
| rules: | ||
| - apiGroups: [""] | ||
| resources: ["services","endpoints","pods"] | ||
| verbs: ["get","watch","list"] | ||
| - apiGroups: ["extensions","networking.k8s.io"] | ||
| resources: ["ingresses"] | ||
| verbs: ["get","watch","list"] | ||
| - apiGroups: [""] | ||
| resources: ["nodes"] | ||
| verbs: ["list"] | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRoleBinding | ||
| metadata: | ||
| name: external-dns-viewer | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: ClusterRole | ||
| name: external-dns | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: external-dns | ||
| namespace: default | ||
| --- | ||
| apiVersion: v1 | ||
| kind: ConfigMap | ||
| metadata: | ||
| name: external-dns | ||
| data: | ||
| tencent-cloud.json: | | ||
| { | ||
| "regionId": "ap-shanghai", | ||
| "secretId": "******", | ||
| "secretKey": "******", | ||
| "vpcId": "vpc-******" | ||
| } | ||
| --- | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: external-dns | ||
| spec: | ||
| strategy: | ||
| type: Recreate | ||
| selector: | ||
| matchLabels: | ||
| app: external-dns | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: external-dns | ||
| spec: | ||
| containers: | ||
| - args: | ||
| - --source=service | ||
| - --source=ingress | ||
| - --domain-filter=external-dns-test.com # will make ExternalDNS see only the hosted zones matching provided domain, omit to process all available hosted zones | ||
| - --provider=tencentcloud | ||
| - --policy=sync # set `upsert-only` would prevent ExternalDNS from deleting any records | ||
| - --tencent-cloud-zone-type=private # only look at private hosted zones. set `public` to use the public dns service. | ||
| - --tencent-cloud-config-file=/etc/kubernetes/tencent-cloud.json | ||
| image: k8s.gcr.io/external-dns/external-dns:v1.7.2 | ||
| imagePullPolicy: Always | ||
| name: external-dns | ||
| resources: {} | ||
| terminationMessagePath: /dev/termination-log | ||
| terminationMessagePolicy: File | ||
| volumeMounts: | ||
| - mountPath: /etc/kubernetes | ||
| name: config-volume | ||
| readOnly: true | ||
| dnsPolicy: ClusterFirst | ||
| restartPolicy: Always | ||
| schedulerName: default-scheduler | ||
| securityContext: {} | ||
| serviceAccount: external-dns | ||
| serviceAccountName: external-dns | ||
| terminationGracePeriodSeconds: 30 | ||
| volumes: | ||
| - configMap: | ||
| defaultMode: 420 | ||
| items: | ||
| - key: tencent-cloud.json | ||
| path: tencent-cloud.json | ||
| name: external-dns | ||
| name: config-volume | ||
| ``` | ||
| # Example | ||
| ## Service | ||
| ```yaml | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: nginx | ||
| annotations: | ||
| external-dns.alpha.kubernetes.io/hostname: nginx.external-dns-test.com | ||
| external-dns.alpha.kubernetes.io/internal-hostname: nginx-internal.external-dns-test.com | ||
| external-dns.alpha.kubernetes.io/ttl: "600" | ||
| spec: | ||
| type: LoadBalancer | ||
| ports: | ||
| - port: 80 | ||
| name: http | ||
| targetPort: 80 | ||
| selector: | ||
| app: nginx | ||
| --- | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: nginx | ||
| spec: | ||
| selector: | ||
| matchLabels: | ||
| app: nginx | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: nginx | ||
| spec: | ||
| containers: | ||
| - image: nginx | ||
| name: nginx | ||
| ports: | ||
| - containerPort: 80 | ||
| name: http | ||
| ``` | ||
| `nginx.external-dns-test.com` will record to the Loadbalancer VIP. | ||
| `nginx-internal.external-dns-test.com` will record to the ClusterIP. | ||
| all of the DNS Record ttl will be 600. | ||
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| # Attention | ||
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| This makes ExternalDNS safe for running in environments where there are other records managed via other means. | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,44 @@ | ||
| package cloudapi | ||
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| import ( | ||
| dnspod "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/dnspod/v20210323" | ||
| privatedns "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/privatedns/v20201028" | ||
| ) | ||
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| type Action struct { | ||
| Service string `json:"service"` | ||
| Name string `json:"name"` | ||
| ReadOnly bool `json:"readOnly"` | ||
| } | ||
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| var ( | ||
| /* PrivateDNS */ | ||
| CreatePrivateZoneRecord = Action{Service: "PrivateDns", Name: "CreatePrivateZoneRecord", ReadOnly: false} | ||
| DeletePrivateZoneRecord = Action{Service: "PrivateDns", Name: "DeletePrivateZoneRecord", ReadOnly: false} | ||
| ModifyPrivateZoneRecord = Action{Service: "PrivateDns", Name: "ModifyPrivateZoneRecord", ReadOnly: false} | ||
| DescribePrivateZoneList = Action{Service: "PrivateDns", Name: "DescribePrivateZoneList", ReadOnly: true} | ||
| DescribePrivateZoneRecordList = Action{Service: "PrivateDns", Name: "DescribePrivateZoneRecordList", ReadOnly: true} | ||
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| /* DNSPod */ | ||
| DescribeDomainList = Action{Service: "DnsPod", Name: "DescribeDomainList", ReadOnly: true} | ||
| DescribeRecordList = Action{Service: "DnsPod", Name: "DescribeRecordList", ReadOnly: true} | ||
| CreateRecord = Action{Service: "DnsPod", Name: "CreateRecord", ReadOnly: false} | ||
| DeleteRecord = Action{Service: "DnsPod", Name: "DeleteRecord", ReadOnly: false} | ||
| ModifyRecord = Action{Service: "DnsPod", Name: "ModifyRecord", ReadOnly: false} | ||
| ) | ||
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| type TencentAPIService interface { | ||
| // PrivateDNS | ||
| CreatePrivateZoneRecord(request *privatedns.CreatePrivateZoneRecordRequest) (response *privatedns.CreatePrivateZoneRecordResponse, err error) | ||
| DeletePrivateZoneRecord(request *privatedns.DeletePrivateZoneRecordRequest) (response *privatedns.DeletePrivateZoneRecordResponse, err error) | ||
| ModifyPrivateZoneRecord(request *privatedns.ModifyPrivateZoneRecordRequest) (response *privatedns.ModifyPrivateZoneRecordResponse, err error) | ||
| DescribePrivateZoneList(request *privatedns.DescribePrivateZoneListRequest) (response *privatedns.DescribePrivateZoneListResponse, err error) | ||
| DescribePrivateZoneRecordList(request *privatedns.DescribePrivateZoneRecordListRequest) (response *privatedns.DescribePrivateZoneRecordListResponse, err error) | ||
|
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| // DNSPod | ||
| DescribeDomainList(request *dnspod.DescribeDomainListRequest) (response *dnspod.DescribeDomainListResponse, err error) | ||
| DescribeRecordList(request *dnspod.DescribeRecordListRequest) (response *dnspod.DescribeRecordListResponse, err error) | ||
| CreateRecord(request *dnspod.CreateRecordRequest) (response *dnspod.CreateRecordResponse, err error) | ||
| DeleteRecord(request *dnspod.DeleteRecordRequest) (response *dnspod.DeleteRecordResponse, err error) | ||
| ModifyRecord(request *dnspod.ModifyRecordRequest) (response *dnspod.ModifyRecordResponse, err error) | ||
| } |
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