Steve Simpson
7aa77af7c4
Implements the /notification/query endpoint on the historian app. Note that it does not apply any RBAC right now, that will be a follow up commit. We have to use a go-kit logger in grafana/alerting, so an adapter is needed. Going from go-kit to slog is a bit hairy but works well enough.
82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
package app
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import (
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"context"
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"net/http"
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"github.com/grafana/grafana-app-sdk/app"
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"github.com/grafana/grafana-app-sdk/logging"
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"github.com/grafana/grafana-app-sdk/simple"
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"github.com/prometheus/client_golang/prometheus"
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"go.opentelemetry.io/otel"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"github.com/grafana/grafana/apps/alerting/historian/pkg/apis/alertinghistorian/v0alpha1"
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"github.com/grafana/grafana/apps/alerting/historian/pkg/app/config"
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"github.com/grafana/grafana/apps/alerting/historian/pkg/app/notification"
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)
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func New(cfg app.Config) (app.App, error) {
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reg := prometheus.DefaultRegisterer
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tracer := otel.GetTracerProvider().Tracer("historian.alerting.app")
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logger := logging.DefaultLogger.With("app", "historian.alerting.app")
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runtimeConfig := cfg.SpecificConfig.(config.RuntimeConfig)
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alertStateHandler := runtimeConfig.GetAlertStateHistoryHandler
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if alertStateHandler == nil {
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alertStateHandler = NewErrorHandler("no alert state handler")
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}
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notificationHandler := notification.New(runtimeConfig.Notification, reg, logger, tracer)
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simpleConfig := simple.AppConfig{
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Name: "alerting.historian",
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KubeConfig: cfg.KubeConfig,
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VersionedCustomRoutes: map[string]simple.AppVersionRouteHandlers{
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"v0alpha1": {
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{
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Namespaced: true,
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Path: "/alertstate/history",
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Method: "GET",
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}: alertStateHandler,
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{
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Namespaced: true,
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Path: "/notification/query",
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Method: "POST",
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}: notificationHandler.QueryHandler,
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},
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},
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// TODO: Remove when SDK is fixed.
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ManagedKinds: []simple.AppManagedKind{
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{
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Kind: v0alpha1.DummyKind(),
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},
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},
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}
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a, err := simple.NewApp(simpleConfig)
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if err != nil {
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return nil, err
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}
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err = a.ValidateManifest(cfg.ManifestData)
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if err != nil {
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return nil, err
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}
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return a, nil
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}
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func NewErrorHandler(message string) simple.AppCustomRouteHandler {
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return func(ctx context.Context, writer app.CustomRouteResponseWriter, request *app.CustomRouteRequest) error {
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return &apierrors.StatusError{
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ErrStatus: metav1.Status{
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Status: metav1.StatusFailure,
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Code: http.StatusUnprocessableEntity,
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Message: message,
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},
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}
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}
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}
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