Correlations: Create first version of correlations on app platform (#110843)

* WIP

* Generate API

* use different logging, change typing as recommended

* Add feature flag and only add to installer when enabled

* add codeowner

* Lint/fmt

* fix dockerfile

* move from UID to group/name reference

* add generated code

* change from enterprise build

* build workspace

* Remove deprecated field, build api, build for enterprise, build workspace

* Not sure what caused this..

* Rebuild?

* Fix this file

* update sdk

* update sdk

* fix workspace

* fix test build

* add to go.mod

---------

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

pkg/registry/apps/apps.go

@@ -14,6 +14,7 @@ import (
 	"github.com/grafana/grafana/pkg/registry/apps/advisor"
 	"github.com/grafana/grafana/pkg/registry/apps/alerting/notifications"
 	"github.com/grafana/grafana/pkg/registry/apps/alerting/rules"
+	"github.com/grafana/grafana/pkg/registry/apps/correlations"
 	"github.com/grafana/grafana/pkg/registry/apps/investigations"
 	"github.com/grafana/grafana/pkg/registry/apps/playlist"
 	"github.com/grafana/grafana/pkg/registry/apps/plugins"
@@ -33,14 +34,21 @@ func ProvideAppInstallers(
 	pluginsApplInstaller *plugins.PluginsAppInstaller,
 	shorturlAppInstaller *shorturl.ShortURLAppInstaller,
 	rulesAppInstaller *rules.AlertingRulesAppInstaller,
+	correlationsAppInstaller *correlations.CorrelationsAppInstaller,
 ) []appsdkapiserver.AppInstaller {
-	installers := []appsdkapiserver.AppInstaller{playlistAppInstaller, pluginsApplInstaller}
+	installers := []appsdkapiserver.AppInstaller{
+		playlistAppInstaller,
+		pluginsApplInstaller,
+	}
 	if features.IsEnabledGlobally(featuremgmt.FlagKubernetesShortURLs) {
 		installers = append(installers, shorturlAppInstaller)
 	}
 	if features.IsEnabledGlobally(featuremgmt.FlagKubernetesAlertingRules) && rulesAppInstaller != nil {
 		installers = append(installers, rulesAppInstaller)
 	}
+	if features.IsEnabledGlobally(featuremgmt.FlagKubernetesCorrelations) {
+		installers = append(installers, correlationsAppInstaller)
+	}
 	return installers
 }
 

pkg/registry/apps/apps_test.go

@@ -3,17 +3,20 @@ package appregistry
 import (
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/grafana/grafana/pkg/registry/apps/alerting/rules"
+	"github.com/grafana/grafana/pkg/registry/apps/correlations"
 	"github.com/grafana/grafana/pkg/registry/apps/playlist"
 	"github.com/grafana/grafana/pkg/registry/apps/plugins"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
-	"github.com/stretchr/testify/require"
 )
 
 func TestProvideAppInstallers_Table(t *testing.T) {
 	playlistInstaller := &playlist.PlaylistAppInstaller{}
 	pluginsInstaller := &plugins.PluginsAppInstaller{}
 	rulesInstaller := &rules.AlertingRulesAppInstaller{}
+	correlationsAppInstaller := &correlations.CorrelationsAppInstaller{}
 
 	tests := []struct {
 		name           string
@@ -30,7 +33,7 @@ func TestProvideAppInstallers_Table(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			features := featuremgmt.WithFeatures(tt.flags...)
-			got := ProvideAppInstallers(features, playlistInstaller, pluginsInstaller, nil, tt.rulesInst)
+			got := ProvideAppInstallers(features, playlistInstaller, pluginsInstaller, nil, tt.rulesInst, correlationsAppInstaller)
 			if tt.expectRulesApp {
 				require.Contains(t, got, tt.rulesInst)
 			} else {

pkg/registry/apps/correlations/register.go

@@ -0,0 +1,44 @@
+package correlations
+
+import (
+	restclient "k8s.io/client-go/rest"
+
+	"github.com/grafana/grafana-app-sdk/app"
+	appsdkapiserver "github.com/grafana/grafana-app-sdk/k8s/apiserver"
+	"github.com/grafana/grafana-app-sdk/simple"
+	"github.com/grafana/grafana/apps/correlations/pkg/apis"
+	correlationsapp "github.com/grafana/grafana/apps/correlations/pkg/app"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
+	"github.com/grafana/grafana/pkg/setting"
+)
+
+var (
+	_ appsdkapiserver.AppInstaller = (*CorrelationsAppInstaller)(nil)
+)
+
+type CorrelationsAppInstaller struct {
+	appsdkapiserver.AppInstaller
+	cfg *setting.Cfg
+}
+
+func RegisterAppInstaller(
+	cfg *setting.Cfg,
+	features featuremgmt.FeatureToggles,
+) (*CorrelationsAppInstaller, error) {
+	installer := &CorrelationsAppInstaller{
+		cfg: cfg,
+	}
+	provider := simple.NewAppProvider(apis.LocalManifest(), nil, correlationsapp.New)
+
+	appConfig := app.Config{
+		KubeConfig:   restclient.Config{}, // this will be overridden by the installer's InitializeApp method
+		ManifestData: *apis.LocalManifest().ManifestData,
+	}
+	i, err := appsdkapiserver.NewDefaultAppInstaller(provider, appConfig, &apis.GoTypeAssociator{})
+	if err != nil {
+		return nil, err
+	}
+	installer.AppInstaller = i
+
+	return installer, nil
+}

pkg/registry/apps/wireset.go

@@ -6,6 +6,7 @@ import (
 	"github.com/grafana/grafana/pkg/registry/apps/advisor"
 	"github.com/grafana/grafana/pkg/registry/apps/alerting/notifications"
 	"github.com/grafana/grafana/pkg/registry/apps/alerting/rules"
+	"github.com/grafana/grafana/pkg/registry/apps/correlations"
 	"github.com/grafana/grafana/pkg/registry/apps/investigations"
 	"github.com/grafana/grafana/pkg/registry/apps/playlist"
 	"github.com/grafana/grafana/pkg/registry/apps/plugins"
@@ -21,5 +22,6 @@ var WireSet = wire.NewSet(
 	notifications.RegisterApp,
 	plugins.RegisterAppInstaller,
 	shorturl.RegisterAppInstaller,
+	correlations.RegisterAppInstaller,
 	rules.RegisterAppInstaller,
 )