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fixed links and clarified some sections in gateway configuration doc

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trujillo-adam 2022-07-27 15:27:04 -07:00
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website/content/docs/api-gateway/configuration/gateway.mdx
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@ -2,7 +2,7 @@
layout: docs layout: docs
page_title: Consul API Gateway Gateway page_title: Consul API Gateway Gateway
description: >- description: >-
Consul API Gateway Gateway This topic descrbes how to configure the Consul API Gateway Gateway object
--- ---
# Gateway # Gateway
@ -22,34 +22,36 @@ Specify the following parameters to declare a Gateway:
| `kind` | Specifies the type of configuration object. The value should always be `Gateway`. | Required | | `kind` | Specifies the type of configuration object. The value should always be `Gateway`. | Required |
| `description` | Human-readable string that describes the purpose of the `Gateway`. | Optional | | `description` | Human-readable string that describes the purpose of the `Gateway`. | Optional |
| `version ` | Specifies the Kubernetes API version. The value should always be `gateway.networking.k8s.io/v1alpha2` | Required | | `version ` | Specifies the Kubernetes API version. The value should always be `gateway.networking.k8s.io/v1alpha2` | Required |
| `scope` | Specifies the effective scope of the Gateway. The value should always be namespaced. | Required | | `scope` | Specifies the effective scope of the Gateway. The value should always be `namespaced`. | Required |
| `fields` | Specifies the configurations for the Gateway. The fields are listed in the Configuration model. Details for each field are described in the Specification. | Required | | `fields` | Specifies the configurations for the Gateway. The fields are listed in the [configuration model](#configuration-model). Details for each field are described in the [specification](#specification). | Required |
## Configuration model ## Configuration model
* [`gatewayClassName`](#gatewayClassName): string | required The following outline shows how to format the configurations in the `Gateway` object. Click on a property name to view details about the configuration.
* [`gatewayClassName`](#gatewayclassname): string | required
* [`listeners`](#listeners): array of objects | required * [`listeners`](#listeners): array of objects | required
* [`allowedRoutes`](#listeners-allowedRoutes): object | required * [`allowedRoutes`](#listeners-allowedroutes): object | required
* [`namespaces`](#listeners-namespaces): object | required * [`namespaces`](#listeners-allowedroutes-namespaces): object | required
* [`from`](#listeners-namespaces-from): string | required * [`from`](#listeners-namespaces-from): string | required
* [`selector`](#listeners-namespaces-selector): object | required if from is configured to selector * [`selector`](#listeners-allowedroutes-namespaces-selector): object | required if `from` is configured to `selector`
* [`matchExpressions`](#listeners-namespaces-selector-matchExpressions): array of objects | required if matchLabels is not configured * [`matchExpressions`](#listeners-allowedroutes-namespaces-selector-matchexpressions): array of objects | required if `matchLabels` is not configured
* [`key`](#listeners-namespaces-selector-matchExpressions-key): string | required if matchExpressions is declared * [`key`](#listeners-allowedroutes-namespaces-selector-matchexpressions): string | required if `matchExpressions` is declared
* [`operator`](#listeners.namespaces-selector-operator): string | required if matchExpressions is declared * [`operator`](#listeners-allowedroutes-namespaces-selector-matchexpressions): string | required if `matchExpressions` is declared
* [`values`](#listeners.namespaces-selector-values): array of strings | required if matchExpressions is declared * [`values`](#listeners-allowedroutes-namespaces-selector-matchexpressions): array of strings | required if `matchExpressions` is declared
* [`matchLabels`](#listeners-namespaces-selector-matchLabels): map of strings | required if matchExpressions is not configured * [`matchLabels`](#listeners-allowedroutes-namespaces-selector-matchlabels): map of strings | required if `matchExpressions` is not configured
* [`hostname`](#listeners-hostname): string | required * [`hostname`](#listeners-hostname): string | required
* [`name`](#listeners-name): string | required * [`name`](#listeners-name): string | required
* [`port`](#listeners-port): integer | required * [`port`](#listeners-port): integer | required
* [`protocol`](#listeners-protocol)`: string | required * [`protocol`](#listeners-protocol)`: string | required
* [`tls`](#listeners-tls): object | required if protocol is set to HTTPS * [`tls`](#listeners-tls): object | required if `protocol` is set to `HTTPS`
* [`certificateRefs`](#listeners-tls-certificateRefs): array or objects | required if tls is declared * [`certificateRefs`](#listeners-tls): array or objects | required if `tls` is declared
* [`name`](#listeners-tls-certificateRefs-name): string | required if certificateRefs is declared * [`name`](#listeners-tls): string | required if `certificateRefs` is declared
* [`namespace`](#listeners-tls-certificateRefs-namespace): string | required if certificateRefs is declared * [`namespace`](#listeners-tls): string | required if `certificateRefs` is declared
* [`mode`](#listeners-tls-mode): string | required if certificateRefs is declared * [`mode`](#listeners-tls): string | required if `certificateRefs` is declared
* [`options`](#listeners-tls-options): map of strings | optional * [`options`](#listeners-tls): map of strings | optional
## Specification ## Specification
@ -74,37 +76,34 @@ Specifies a `namespace` object that defines the types of routes that may be atta
Determines which routes are allowed to attach to the `listener`. Only routes in the same namespace as the `Gateway` may be attached by default. Determines which routes are allowed to attach to the `listener`. Only routes in the same namespace as the `Gateway` may be attached by default.
### listeners.allowedRoutes.namespaces.from ### listeners.allowedRoutes.namespaces.from
Specifies the policy for which namespaces a route may attach to a `Gateway` from. Defaults to `Same`. Determines which namespaces are allowed to attach a route to the `Gateway`. You can specify one of the following strings:
This parameter has the following properties:
* Type: string
* Required: required
You can specify one of the following strings:
* `All`: Routes in all namespaces may be attached to the `Gateway`. * `All`: Routes in all namespaces may be attached to the `Gateway`.
* `Same`: Only routes in the same namespace as the `Gateway` may be attached. * `Same` (default): Only routes in the same namespace as the `Gateway` may be attached.
* `Selector`: Only routes in namespaces that match the `selector` may be attached. * `Selector`: Only routes in namespaces that match the [`selector`](#listeners-allowedroutes-namespaces-selector) may be attached.
This parameter is required.
### listeners.allowedRoutes.namespaces.selector ### listeners.allowedRoutes.namespaces.selector
Specifies a method of matching namespaces from which routes are allowed to attach to the listener. Specifies a method for selecting routes that are allowed to attach to the listener. The `Gateway` checks for namespaces in the network that match either a regular expression or a label. Routes from the matching namespace are allowed to attach to the listener.
* Type: Object
* Required: Required when `from` is configured to `Selector`.
The selector configuration contains one of the following objects: You can configure one of the following objects:
* `matchExpressions`
* `matchLabels` * [`matchExpressions`](#listeners-allowedroutes-namespaces-selector-matchexpressions)
* [`matchLabels`](#listeners-allowedroutes-namespaces-selector-matchlabels)
This field is required when [`from`](#listeners-allowedroutes-namespaces-from) is configured to `Selector`.
### listeners.allowedRoutes.namespaces.selector.matchExpressions ### listeners.allowedRoutes.namespaces.selector.matchExpressions
Specifies an array of requirements for matching namespaces. If a match is found, then routes from the matching namespace(s) are allowed to attach to the `Gateway`. The following table describes members of the `matchExpressions` array: Specifies an array of requirements for matching namespaces. If a match is found, then routes from the matching namespace(s) are allowed to attach to the `Gateway`. The following table describes members of the `matchExpressions` array:
| Requirement | Description | Type | | Requirement | Description | Type | Required |
|:----------- |:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |:---------------- | |--- |--- |--- |--- |
|`key` | Specifies that label that the key applies to. | string | |`key` | Specifies the label that the `key` applies to. | string | required when `matchExpressions` is declared |
|`operator` | Specifies the key's relation to a set of values. The following values are valid:In: description of what this means NotIn: description of what this means Exists: description of what this means DoesNotExist: description of what this means | string | |`operator` | Specifies the key's relation to a set of values. You can use the following keywords: <ul><li>`In`: Only routes in namespaces that contain the strings in the `values` field can attach to the `Gateway`. </li><li>`NotIn`: Routes in namespaces that do not contain the strings in the `values` field can attach to the `Gateway`. </li><li>`Exists`: Routes in namespaces that contain the `key` value are allowed to attach to the `Gateway`.</li><li>`DoesNotExist`: Routes in namespaces that do not contain the `key` value are allowed to attach to the `Gateway`.</li></ul> | string | required when `matchExpressions` is declared |
|`values` | Specifies an array of string values. If the operator is configured to In or NotIn,the values array must be non-empty. If theoperator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. | array of strings | |`values` | Specifies an array of string values. If `operator` is configured to `In` or `NotIn`, then the `values` array must contain values. If `operator` is configured to `Exists` or `DoesNotExist`, then the `values` array must be empty. This array is replaced during a strategic merge patch. | array of strings | required when `matchExpressions` is declared |
|`scope` | Specifies the effective scope of the Gateway. The value should always be namespaced. | Required |
|`fields` | Specifies the configurations for the Gateway. The fields are listed in the Configuration model. Details for each field are described in the Specification. | Required |
In the following example, routes in namespaces that contain `foo` and `bar` are allowed to attach routes to the `Gateway`.
```yaml ```yaml
namespaceSelector: namespaceSelector:
matchExpressions: matchExpressions:
@ -118,52 +117,62 @@ namespaceSelector:
### listeners.allowedRoutes.namespaces.selector.matchLabels ### listeners.allowedRoutes.namespaces.selector.matchLabels
Specifies an array of labels and label values. If a match is found, then routes with the matching label(s) are allowed to attach to the `Gateway`. This selector can contain any arbitrary key/value pair. Specifies an array of labels and label values. If a match is found, then routes with the matching label(s) are allowed to attach to the `Gateway`. This selector can contain any arbitrary key/value pair.
In the following example, routes in namespaces that have a `bar` label are allowed to attache to the `Gateway`.
```yaml ```yaml
namespaceSelector: namespaceSelector:
matchLabels: matchLabels:
foo: bar foo: bar
``` ```
For more on labels, see [Labels and Selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/) Refer to [Labels and Selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/) in the Kubernetes documentation for additional information about labels.
### listeners.hostname ### listeners.hostname
Specifies the `listener`'s hostname Specifies the `listener`'s hostname.
* Type: string * Type: string
* Required: required * Required: required
### listeners.name ### listeners.name
Specifies the `listener`'s name Specifies the `listener`'s name.
* Type: string * Type: string
* Required: required * Required: required
### listeners.port ### listeners.port
Specifies the port number that the `listener` will attach to Specifies the port number that the `listener` attaches to.
* Type: integer * Type: integer
* Required: required * Required: required
### listeners.protocol ### listeners.protocol
Specifies the protocol the `listener` will use Specifies the protocol the `listener` communicates on.
* Type: string * Type: string
* Required: required * Required: required
Allowed values are `TCP`, `HTTP`, or `HTTPS` Allowed values are `TCP`, `HTTP`, or `HTTPS`
### listeners.tls ### listeners.tls
* Type: Object Specifies the `tls` configurations for the `Gateway`. The `tls` object is required if `protocol` is set to `HTTPS`. The object contains the following fields:
* Required: required if `protocol` is set to `HTTPS`
### listeners.tls.certificateRefs | Parameter | Description | Type | Required |
`CertificateRefs` contains a series of references to Kubernetes objects that contains TLS certificates and private keys. These certificates are used to establish a TLS handshake for requests that match the hostname of the associated `listener`. Each reference must be a Kubernetes Secret, and, if using a Secret in a namespace other than the`Gateway`'s, must have a corresponding `ReferencePolicy` created. | --- | --- | --- | --- |
* Type: Object or Array | `certificateRefs` | <div style={{width:480}}>Specifies Kubernetes `name` and `namespace` objects that contains TLS certificates and private keys. <br/>The certificates establish a TLS handshake for requests that match the `hostname` of the associated `listener`. Each reference must be a Kubernetes Secret. If you are using a Secret in a namespace other than the `Gateway`'s, each reference must also have a corresponding [`ReferencePolicy`](https://gateway-api.sigs.k8s.io/v1alpha2/references/spec/#gateway.networking.k8s.io/v1alpha2.ReferencePolicy).</div> | Object or array | Required if `tls` is set |
* Required: required if `tls` is set | `mode` | Specifies the ? | string | Required if `certificateRefs` is set |
| `options` | ??? | Map of strings | optional |
### listeners.tls.mode In the following example, `tls` settings are configured . . .
* Type: String
* Required: required if certificateRefs is set ```yaml
tls:
certificateRefs:
name: ?
namespace: ?
mode: ?
options:
- ?
- ?
- ?
```
### listeners.tls.options
* Type: Map of Strings
* Required: optional
## Complete configuration ## Complete configuration
The following example shows a fully configured `Gateway`. The following example shows a fully configured `Gateway`.