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Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com> Co-authored-by: Giovanni Liva <giovanni.liva@dynatrace.com> Co-authored-by: Todd Baert <toddbaert@gmail.com>
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| # Flagd | ||
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| The CRD `Flagd` at version `v1beta1` is used to create a standalone flagd deployment, | ||
| accompanied by a `Service` and an optional `Ingress` to expose its API | ||
| endpoint to clients outside the cluster. | ||
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| The handling of this resource can be enabled/disabled by setting `managerConfig.flagdResourceEnabled` Helm value of the operator | ||
| chart to `true` or `false` respectively. | ||
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| Below is an example of a `Flagd` resource: | ||
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| ```yaml | ||
| apiVersion: core.openfeature.dev/v1beta1 | ||
| kind: Flagd | ||
| metadata: | ||
| name: flagd-sample | ||
| spec: | ||
| replicas: 2 | ||
| serviceType: ClusterIP | ||
| serviceAccountName: default | ||
| featureFlagSource: end-to-end | ||
| ingress: | ||
| enabled: true | ||
| annotations: | ||
| nginx.ingress.kubernetes.io/force-ssl-redirect: "false" | ||
| hosts: | ||
| - flagd-sample | ||
| ingressClassName: nginx | ||
| pathType: ImplementationSpecific | ||
| ``` | ||
| In the example above, we have created a `Flagd` resource called `flagd-sample`, | ||
| which results the following resources to be created by the operator | ||
| after applying it: | ||
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| - A `flagd-sample` `Deployment` with two replicas, running an instance of `flagd` each: | ||
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| ```yaml | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| labels: | ||
| app: flagd-sample | ||
| app.kubernetes.io/managed-by: open-feature-operator | ||
| app.kubernetes.io/name: flagd-sample | ||
| name: flagd-sample | ||
| ownerReferences: | ||
| - apiVersion: core.openfeature.dev/v1beta1 | ||
| kind: Flagd | ||
| name: flagd-sample | ||
| spec: | ||
| replicas: 2 | ||
| selector: | ||
| matchLabels: | ||
| app: flagd-sample | ||
| template: | ||
| metadata: | ||
| creationTimestamp: null | ||
| labels: | ||
| app: flagd-sample | ||
| app.kubernetes.io/managed-by: open-feature-operator | ||
| app.kubernetes.io/name: flagd-sample | ||
| spec: | ||
| containers: | ||
| - name: flagd | ||
| # renovate: datasource=github-tags depName=open-feature/flagd/flagd | ||
| image: ghcr.io/open-feature/flagd:v0.10.1 | ||
| ports: | ||
| - containerPort: 8014 | ||
| name: management | ||
| protocol: TCP | ||
| - containerPort: 8013 | ||
| name: flagd | ||
| protocol: TCP | ||
| - containerPort: 8016 | ||
| name: ofrep | ||
| protocol: TCP | ||
| - containerPort: 8015 | ||
| name: sync | ||
| protocol: TCP | ||
| serviceAccount: default | ||
| serviceAccountName: default | ||
| ``` | ||
|
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| - A `flagd-sample` `Service` with the type set to `ClusterIP`, that enables access to the pods | ||
| running the flagd instance: | ||
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| ```yaml | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| labels: | ||
| app: flagd-sample | ||
| app.kubernetes.io/managed-by: open-feature-operator | ||
| app.kubernetes.io/name: flagd-sample | ||
| name: flagd-sample | ||
| ownerReferences: | ||
| - apiVersion: core.openfeature.dev/v1beta1 | ||
| kind: Flagd | ||
| name: flagd-sample | ||
| spec: | ||
| ports: | ||
| - name: flagd | ||
| port: 8013 | ||
| protocol: TCP | ||
| targetPort: 8013 | ||
| - name: ofrep | ||
| port: 8016 | ||
| protocol: TCP | ||
| targetPort: 8016 | ||
| - name: sync | ||
| port: 8015 | ||
| protocol: TCP | ||
| targetPort: 8015 | ||
| - name: metrics | ||
| port: 8014 | ||
| protocol: TCP | ||
| targetPort: 8014 | ||
| selector: | ||
| app: flagd-sample | ||
| type: ClusterIP | ||
| ``` | ||
|
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| - A `flagd-sample` `Ingress` enabling the communication between outside clients and the `flagd-sample` `Service`: | ||
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| ```yaml | ||
| apiVersion: networking.k8s.io/v1 | ||
| kind: Ingress | ||
| metadata: | ||
| labels: | ||
| app: flagd-sample | ||
| app.kubernetes.io/managed-by: open-feature-operator | ||
| app.kubernetes.io/name: flagd-sample | ||
| name: flagd-sample | ||
| annotations: | ||
| nginx.ingress.kubernetes.io/force-ssl-redirect: "false" | ||
| ownerReferences: | ||
| - apiVersion: core.openfeature.dev/v1beta1 | ||
| kind: Flagd | ||
| name: flagd-sample | ||
| spec: | ||
| ingressClassName: nginx | ||
| rules: | ||
| - host: flagd-sample | ||
| http: | ||
| paths: | ||
| - backend: | ||
| service: | ||
| name: flagd-sample | ||
| port: | ||
| number: 8013 | ||
| path: /flagd | ||
| pathType: ImplementationSpecific | ||
| - backend: | ||
| service: | ||
| name: flagd-sample | ||
| port: | ||
| number: 8016 | ||
| path: /ofrep | ||
| pathType: ImplementationSpecific | ||
| - backend: | ||
| service: | ||
| name: flagd-sample | ||
| port: | ||
| number: 8015 | ||
| path: /sync | ||
| pathType: ImplementationSpecific | ||
| ``` | ||
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| Note that if the flagd service is intended only for cluster-internal use, the creation of the `Ingress` can be disabled | ||
| by setting the `spec.ingress.enabled` parameter of the `Flagd` resource to `false`. |
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