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2cb86cf65e
This commit contains the implementation of multi-tailnet support within the Kubernetes Operator
Each of our custom resources now expose the `spec.tailnet` field. This field is a string that must match the name of an existing `Tailnet` resource. A `Tailnet` resource looks like this:
```yaml
apiVersion: tailscale.com/v1alpha1
kind: Tailnet
metadata:
name: example # This is the name that must be referenced by other resources
spec:
credentials:
secretName: example-oauth
```
Each `Tailnet` references a `Secret` resource that contains a set of oauth credentials. This secret must be created in the same namespace as the operator:
```yaml
apiVersion: v1
kind: Secret
metadata:
name: example-oauth # This is the name that's referenced by the Tailnet resource.
namespace: tailscale
stringData:
client_id: "client-id"
client_secret: "client-secret"
```
When created, the operator performs a basic check that the oauth client has access to all required scopes. This is done using read actions on devices, keys & services. While this doesn't capture a missing "write" permission, it catches completely missing permissions. Once this check passes, the `Tailnet` moves into a ready state and can be referenced. Attempting to use a `Tailnet` in a non-ready state will stall the deployment of `Connector`s, `ProxyGroup`s and `Recorder`s until the `Tailnet` becomes ready.
The `spec.tailnet` field informs the operator that a `Connector`, `ProxyGroup`, or `Recorder` must be given an auth key generated using the specified oauth client. For backwards compatibility, the set of credentials the operator is configured with are considered the default. That is, where `spec.tailnet` is not set, the resource will be deployed in the same tailnet as the operator.
Updates https://github.com/tailscale/corp/issues/34561
142 lines
6.3 KiB
YAML
142 lines
6.3 KiB
YAML
apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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annotations:
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controller-gen.kubebuilder.io/version: v0.17.0
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name: tailnets.tailscale.com
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spec:
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group: tailscale.com
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names:
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kind: Tailnet
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listKind: TailnetList
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plural: tailnets
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shortNames:
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- tn
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singular: tailnet
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scope: Cluster
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versions:
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- additionalPrinterColumns:
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- jsonPath: .metadata.creationTimestamp
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name: Age
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type: date
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- description: Status of the deployed Tailnet resources.
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jsonPath: .status.conditions[?(@.type == "TailnetReady")].reason
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name: Status
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type: string
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name: v1alpha1
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schema:
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openAPIV3Schema:
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type: object
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required:
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- metadata
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- spec
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properties:
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apiVersion:
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description: |-
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APIVersion defines the versioned schema of this representation of an object.
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Servers should convert recognized schemas to the latest internal value, and
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may reject unrecognized values.
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More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
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type: string
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kind:
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description: |-
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Kind is a string value representing the REST resource this object represents.
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Servers may infer this from the endpoint the client submits requests to.
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Cannot be updated.
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In CamelCase.
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More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
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type: string
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metadata:
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type: object
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spec:
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description: |-
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Spec describes the desired state of the Tailnet.
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More info:
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https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
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type: object
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required:
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- credentials
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properties:
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credentials:
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description: Denotes the location of the OAuth credentials to use for authenticating with this Tailnet.
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type: object
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required:
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- secretName
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properties:
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secretName:
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description: |-
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The name of the secret containing the OAuth credentials. This secret must contain two fields "client_id" and
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"client_secret".
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type: string
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loginUrl:
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description: URL of the control plane to be used by all resources managed by the operator using this Tailnet.
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type: string
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status:
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description: |-
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Status describes the status of the Tailnet. This is set
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and managed by the Tailscale operator.
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type: object
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properties:
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conditions:
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type: array
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items:
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description: Condition contains details for one aspect of the current state of this API Resource.
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type: object
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required:
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- lastTransitionTime
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- message
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- reason
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- status
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- type
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properties:
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lastTransitionTime:
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description: |-
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lastTransitionTime is the last time the condition transitioned from one status to another.
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This should be when the underlying condition changed. If that is not known, then using the time when the API field changed is acceptable.
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type: string
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format: date-time
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message:
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description: |-
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message is a human readable message indicating details about the transition.
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This may be an empty string.
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type: string
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maxLength: 32768
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observedGeneration:
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description: |-
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observedGeneration represents the .metadata.generation that the condition was set based upon.
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For instance, if .metadata.generation is currently 12, but the .status.conditions[x].observedGeneration is 9, the condition is out of date
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with respect to the current state of the instance.
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type: integer
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format: int64
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minimum: 0
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reason:
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description: |-
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reason contains a programmatic identifier indicating the reason for the condition's last transition.
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Producers of specific condition types may define expected values and meanings for this field,
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and whether the values are considered a guaranteed API.
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The value should be a CamelCase string.
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This field may not be empty.
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type: string
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maxLength: 1024
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minLength: 1
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pattern: ^[A-Za-z]([A-Za-z0-9_,:]*[A-Za-z0-9_])?$
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status:
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description: status of the condition, one of True, False, Unknown.
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type: string
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enum:
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- "True"
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- "False"
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- Unknown
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type:
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description: type of condition in CamelCase or in foo.example.com/CamelCase.
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type: string
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maxLength: 316
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pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
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x-kubernetes-list-map-keys:
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- type
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x-kubernetes-list-type: map
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served: true
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storage: true
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subresources:
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status: {}
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