bf65c43783
* [API Server] Add Example App for reference use. * Remove Printlns. * Upgrade app-sdk to v0.46.0, update apps to handle breaking changes. * Only start the reconciler for the example app if the v1alpha1 API version is enabled. * Some comment doc updates. * Run make update-workspace * Set codeowner for /apps/example * Run make gofmt and make update-workspace * Run prettier on apps/example/README.md * Add COPY apps/example to Dockerfile * Add an authorizer to the example app. * Fix import ordering. * Update apps/example/kinds/manifest.cue Co-authored-by: Owen Diehl <ow.diehl@gmail.com> * Run make update-workspace * Re-run make gen-go for enterprise import updates * Run make update-workspace --------- Co-authored-by: Owen Diehl <ow.diehl@gmail.com>
81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
package example
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import (
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"fmt"
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"strings"
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"k8s.io/apiserver/pkg/authorization/authorizer"
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restclient "k8s.io/client-go/rest"
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"github.com/grafana/grafana-app-sdk/app"
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appsdkapiserver "github.com/grafana/grafana-app-sdk/k8s/apiserver"
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"github.com/grafana/grafana-app-sdk/simple"
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"github.com/grafana/grafana/apps/example/pkg/apis"
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"github.com/grafana/grafana/apps/example/pkg/apis/example/v1alpha1"
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exampleapp "github.com/grafana/grafana/apps/example/pkg/app"
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"github.com/grafana/grafana/pkg/services/featuremgmt"
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"github.com/grafana/grafana/pkg/setting"
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)
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var (
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_ appsdkapiserver.AppInstaller = (*ExampleAppInstaller)(nil)
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)
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type ExampleAppInstaller struct {
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appsdkapiserver.AppInstaller
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cfg *setting.Cfg
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}
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func (e ExampleAppInstaller) GetAuthorizer() authorizer.Authorizer {
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return exampleapp.GetAuthorizer()
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}
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func RegisterAppInstaller(
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cfg *setting.Cfg,
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features featuremgmt.FeatureToggles,
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) (*ExampleAppInstaller, error) {
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installer := &ExampleAppInstaller{
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cfg: cfg,
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}
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// Config specific to the app. This can pull from feature flags or setting.Cfg.
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specificConfig := &exampleapp.ExampleConfig{
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EnableSomeFeature: true,
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}
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// Set specificConfig.EnableReconciler to true IFF the v1alpha1 API is enabled in the runtime config.
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// This is example-app-specific, as the version the reconciler uses is not served by default and must be enabled via an override.
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apiserverRuntimeCfg := cfg.SectionWithEnvOverrides("grafana-apiserver").Key("runtime_config").String()
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for _, s := range strings.Split(apiserverRuntimeCfg, ",") {
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if len(s) == 0 {
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continue
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}
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arr := strings.SplitN(s, "=", 2)
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if len(arr) == 2 {
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if arr[0] == fmt.Sprintf("%s/%s", v1alpha1.APIGroup, v1alpha1.APIVersion) {
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specificConfig.EnableReconciler = strings.EqualFold("true", arr[1])
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break
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}
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}
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}
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// Provider is the app provider, which contains the AppManifest, app-specific-config, and the New function for the app
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provider := simple.NewAppProvider(apis.LocalManifest(), specificConfig, exampleapp.New)
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// appConfig is used alongside the provider for registrion.
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// Most of the data is redunant, this may be more optimized in the future.
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appConfig := app.Config{
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KubeConfig: restclient.Config{}, // this will be overridden by the installer's InitializeApp method
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ManifestData: *apis.LocalManifest().ManifestData,
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SpecificConfig: specificConfig,
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}
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// NewDefaultInstaller gets us the installer we need to underly the ExampleAppInstaller type.
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// It does all the hard work of installing our app to the grafana API server
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i, err := appsdkapiserver.NewDefaultAppInstaller(provider, appConfig, apis.NewGoTypeAssociator())
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if err != nil {
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return nil, err
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}
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installer.AppInstaller = i
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return installer, nil
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}
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