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docs: integration doc ngrok minor fix (#1640)
* Init ngrok doc * Finish draft * Address style comments from Karl * Add Parameter table * Simplify and clarify usage section * Integrate fixes from Karl * docs: added ngrok logo --------- Co-authored-by: Joel Hans <j@joelhans.com>
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| --- | ||
| sidebar_label: "ngrok" | ||
| title: "ngrok" | ||
| description: "Learn about using ngrok Kubernetes Ingress to access applications in Palette." | ||
| hide_table_of_contents: true | ||
| type: "integration" | ||
| category: ["ingress", "kubernetes", "amd64"] | ||
| sidebar_class_name: "hide-from-sidebar" | ||
| logoUrl: "https://registry.spectrocloud.com/v1/ngrok-ingress-controller/blobs/sha256:a723399d53d716c5441d57d021a7975d961e5b7db79ccb2bc10f7524ba7e67c1?type=image/png" | ||
| tags: ["packs", "ngrok", "network", "kubernetes"] | ||
| --- | ||
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| The ngrok [Ingress Controller for Kubernetes](https://github.com/ngrok/kubernetes-ingress-controller) adds public and | ||
| secure ingress traffic to Kubernetes applications. This open-source [Ingress | ||
| Controller](https://kubernetes.io/docs/concepts/services-networking/ingress-controllers) works with Palette to provide | ||
| ingress to your applications, APIs, or other resources while also offloading network ingress and middleware execution to | ||
| ngrok's platform. | ||
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| # Versions Supported | ||
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| - 0.9.0 | ||
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| ## Prerequisites | ||
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| - An active [ngrok account](https://ngrok.com/signup). | ||
| - An ngrok authentication token. You can find your token in the dashboard. Visit the [**Your Authtoken**](https://dashboard.ngrok.com/get-started/your-authtoken) section to review your access token. | ||
| - An ngrok API key. You can generate an API key from the ngrok dashboard. Visit the [**API** section](https://dashboard.ngrok.com/api) of the dashboard to review existing keys. | ||
| - A static subdomain. You can obtain a static subdomain by navigating to the [**Domains** | ||
| section](https://dashboard.ngrok.com/cloud-edge/domains) of the ngrok dashboard and clicking on **Create Domain** or **New Domain**. | ||
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| ## Parameters | ||
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| To deploy the ngrok Ingress Controller, you need to set, at minimum, the following parameters in the pack's YAML. | ||
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| | Name | Description | | ||
| | --- | --- | | ||
| | `kubernetes-ingress-controller.credentials.apiKey` | Your ngrok API key for this application and domain. | | ||
| | `kubernetes-ingress-controller.credentials.authtoken` | The authentication token for your active ngrok account. | | ||
| | `kubernetes-ingress-controller.rules.host` | A static subdomain hosted by ngrok and associated with your account. | | ||
| | `kubernetes-ingress-controller.rules.http.paths.path` | The path at which to route traffic to your application. For more advanced configurations, you can set multiple paths with corresponding `pathType`, `backend.service.name`, and `backend.service.name` parameters. | | ||
| | `kubernetes-ingress-controller.rules.host.paths.pathType` | Specify how ingress paths should be [matched by type](https://kubernetes.io/docs/concepts/services-networking/ingress/#path-types). `Prefix` matches based on a URL path prefix split by `/`. `Exact` matches the URL path exactly and with case sensitivity. | | ||
| | `kubernetes-ingress-controller.rules.host.backend.service.name` | The name you've given to the application for which the ngrok Ingress Controller should handle traffic. | | ||
| | `kubernetes-ingress-controller.rules.host.backend.service.port.number` | The port number for the deployed `service.name`. | | ||
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| Review the [common overrides](https://github.com/ngrok/kubernetes-ingress-controller/blob/main/docs/deployment-guide/common-helm-k8s-overrides.md) document for more details on parameters. Refer to the [user guide](https://github.com/ngrok/kubernetes-ingress-controller/tree/main/docs/user-guide) for advanced configurations. | ||
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| :::caution | ||
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| If you have a free ngrok account, you can only have one ngrok agent active at a time. This means that you will need to set the number of replicas to `1` to ensure that your ngrok agent operates properly. | ||
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| ```yaml | ||
| charts: | ||
| kubernetes-ingress-controller: | ||
| replicaCount: 1 | ||
| ``` | ||
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| ::: | ||
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| ## Usage | ||
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| To use the ngrok Ingress Controller pack, first create a new [add-on cluster profile](../cluster-profiles/create-add-on-profile.md), search for the **ngrok Ingress Controller** pack, and overwrite the default pack configuration with your API key and authentication token like the following example YAML content: | ||
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| ```yaml | ||
| charts: | ||
| kubernetes-ingress-controller: | ||
| ... | ||
| credentials: | ||
| apiKey: API_KEY | ||
| authtoken: AUTHTOKEN | ||
| ``` | ||
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| Next, you must create an ingress service definition for your application, which requires a new manifest layer. Click on the **Add Manifest** button to create a new manifest layer. | ||
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| The following YAML content demonstrates an example ingress service where the ngrok Ingress Controller creates a new edge to route traffic on your ngrok subdomain `example.com` to an existing `example-app` deployed on your Kubernetes cluster in Palette. | ||
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| ```yaml | ||
| apiVersion: networking.k8s.io/v1 | ||
| kind: Ingress | ||
| metadata: | ||
| name: example-ingress | ||
| namespace: ngrok-ingress-controller | ||
| spec: | ||
| ingressClassName: ngrok | ||
| rules: | ||
| - host: example.com | ||
| http: | ||
| paths: | ||
| - path: / | ||
| pathType: Prefix | ||
| backend: | ||
| service: | ||
| name: example-app | ||
| port: | ||
| number: 80 | ||
| ``` | ||
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| Once you have defined the ngrok Ingress Controller pack, you can add it to an existing cluster profile, as an add-on profile, or as a new add-on layer to a deployed cluster. | ||
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| ## Terraform | ||
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| You can reference the ngrok Ingress Controller pack in Terraform with a data resource. | ||
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| ``` | ||
| data "spectrocloud_registry" "public_registry" { | ||
| name = "Public Repo" | ||
| } | ||
| data "spectrocloud_pack_simple" "ngrok-ingress" { | ||
| name = "ngrok-ingress-controller" | ||
| version = "0.9.0" | ||
| type = "operator-instance" | ||
| registry_uid = data.spectrocloud_registry.public_registry.id | ||
| } | ||
| ``` | ||
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| ## References | ||
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| - [Ingress Controller for Kubernetes on GitHub](https://github.com/ngrok/kubernetes-ingress-controller) | ||
| - [ngrok documentation](https://ngrok.com/docs/) | ||
| - [Get started with the ngrok Ingress Controller for Kubernetes](https://ngrok.com/docs/using-ngrok-with/k8s/) | ||
| - [ngrok Pack GitHub](https://github.com/spectrocloud/pack-central/tree/main/packs/ngrok-ingress-controller-0.9.0) | ||
| - [ngrok Ingress Controller Helm Documentation](https://github.com/ngrok/kubernetes-ingress-controller/tree/main/docs) |