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...ns-extensions-0.1.1-b2eb13cf5c3640634ee340449611aa44e5db5812.tgz-meta/README.md
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| [](https://dl.circleci.com/status-badge/redirect/gh/giantswarm/coredns-extensions-app/tree/main) | ||
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| # coredns-extensions chart | ||
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| Giant Swarm offers a coredns-extensions App which can be installed in workload clusters. | ||
| Here, we define the coredns-extensions chart with its templates and default configuration. | ||
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| **What is this app?** | ||
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| The app provides complementary resources to the [coredns-app](https://github.com/giantswarm/coredns-app) such as VerticalPodAutoscaler CR. | ||
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| ## Installing | ||
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| There are several ways to install this app onto a workload cluster. | ||
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| - [Using GitOps to instantiate the App](https://docs.giantswarm.io/tutorials/continuous-deployment/apps/add-appcr/) | ||
| - By creating an [App resource](https://docs.giantswarm.io/reference/platform-api/crd/apps.application.giantswarm.io) using the platform API as explained in [Getting started with App Platform](https://docs.giantswarm.io/tutorials/fleet-management/app-platform/). | ||
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| ## Configuring | ||
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| ### values.yaml | ||
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| **This is an example of a values file you could upload using our web interface.** | ||
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| ```yaml | ||
| # values.yaml | ||
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| vpa: | ||
| maxAllowed: | ||
| Cpu: 2 | ||
| Memory: 1Gb | ||
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| ``` | ||
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| ### Sample App CR for the management cluster | ||
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| If you have access to the Kubernetes API on the management cluster, you could create the App CR directly. | ||
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| Here is an example that would install the app to workload cluster `abc12`: | ||
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| ```yaml | ||
| # appCR.yaml | ||
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| apiVersion: application.giantswarm.io/v1alpha1 | ||
| kind: App | ||
| metadata: | ||
| labels: | ||
| giantswarm.io/cluster: <cluster_id> | ||
| name: <cluster_id>-coredns-extensions | ||
| namespace: <org_namespace> | ||
| spec: | ||
| catalog: giantswarm-playground | ||
| kubeConfig: | ||
| inCluster: false | ||
| name: coredns-extensions | ||
| namespace: kube-system | ||
| version: "0.1.0" | ||
| ``` | ||
| See our [full reference on how to configure apps](https://docs.giantswarm.io/tutorials/fleet-management/app-platform/app-configuration/) for more details. | ||
| ## Limitations | ||
| This app requires disabling the HorizontalPodAutoscaler memory target of CoreDNS. Add this block to your cluster userconfig before installing it: | ||
| ```yaml | ||
| global: | ||
| apps: | ||
| coreDns: | ||
| values: | ||
| hpa: | ||
| targetMemoryUtilizationPercentage: 0 | ||
| ``` | ||
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coredns-extensions-0.1.1-b2eb13cf5c3640634ee340449611aa44e5db5812.tgz-meta/main.yaml
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| annotations: | ||
| application.giantswarm.io/metadata: https://giantswarm.github.io/giantswarm-test-catalog/coredns-extensions-0.1.1-b2eb13cf5c3640634ee340449611aa44e5db5812.tgz-meta/main.yaml | ||
| application.giantswarm.io/readme: https://giantswarm.github.io/giantswarm-test-catalog/coredns-extensions-0.1.1-b2eb13cf5c3640634ee340449611aa44e5db5812.tgz-meta/README.md | ||
| application.giantswarm.io/team: cabbage | ||
| application.giantswarm.io/values-schema: https://giantswarm.github.io/giantswarm-test-catalog/coredns-extensions-0.1.1-b2eb13cf5c3640634ee340449611aa44e5db5812.tgz-meta/values.schema.json | ||
| chartApiVersion: v2 | ||
| chartFile: coredns-extensions-0.1.1-b2eb13cf5c3640634ee340449611aa44e5db5812.tgz | ||
| dateCreated: '2025-01-29T08:50:42.411646Z' | ||
| digest: 6a4eba6be4944ca7befc4d7ac53f339ce4091bbf47a8b24ca6f2f37cdf09214e | ||
| home: https://github.com/giantswarm/coredns-extensions-app | ||
| icon: https://s.giantswarm.io/app-icons/coredns/1/dark.svg |
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| { | ||
| "$schema": "http://json-schema.org/schema#", | ||
| "type": "object", | ||
| "properties": { | ||
| "name": { | ||
| "type": "string" | ||
| }, | ||
| "serviceType": { | ||
| "type": "string" | ||
| }, | ||
| "vpa": { | ||
| "type": "object", | ||
| "properties": { | ||
| "controlledResources": { | ||
| "type": "array", | ||
| "items": { | ||
| "type": "string" | ||
| } | ||
| }, | ||
| "enabled": { | ||
| "type": "boolean" | ||
| }, | ||
| "maxAllowed": { | ||
| "type": "object" | ||
| }, | ||
| "minAllowed": { | ||
| "type": "object", | ||
| "properties": { | ||
| "Cpu": { | ||
| "type": "string" | ||
| }, | ||
| "Memory": { | ||
| "type": "string" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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