Pyroscope: Add standalone build (#80222)

* Pyroscope standalone build

* Fix for tests

* Add missing packages

* Remove import

* Update trace to profiles

* Update test

pkg/tsdb/grafana-pyroscope-datasource/standalone/datasource.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"context"
+
+	"github.com/grafana/grafana-plugin-sdk-go/backend"
+	"github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
+	"github.com/grafana/grafana-plugin-sdk-go/backend/instancemgmt"
+	pyroscope "github.com/grafana/grafana/pkg/tsdb/grafana-pyroscope-datasource"
+)
+
+var (
+	_ backend.QueryDataHandler    = (*Datasource)(nil)
+	_ backend.CheckHealthHandler  = (*Datasource)(nil)
+	_ backend.CallResourceHandler = (*Datasource)(nil)
+	_ backend.StreamHandler       = (*Datasource)(nil)
+)
+
+func NewDatasource(context.Context, backend.DataSourceInstanceSettings) (instancemgmt.Instance, error) {
+	return &Datasource{
+		Service: pyroscope.ProvideService(httpclient.NewProvider()),
+	}, nil
+}
+
+type Datasource struct {
+	Service *pyroscope.Service
+}
+
+func (d *Datasource) QueryData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
+	return d.Service.QueryData(ctx, req)
+}
+
+func (d *Datasource) CallResource(ctx context.Context, req *backend.CallResourceRequest, sender backend.CallResourceResponseSender) error {
+	return d.Service.CallResource(ctx, req, sender)
+}
+
+func (d *Datasource) CheckHealth(ctx context.Context, req *backend.CheckHealthRequest) (*backend.CheckHealthResult, error) {
+	return d.Service.CheckHealth(ctx, req)
+}
+
+func (d *Datasource) SubscribeStream(ctx context.Context, req *backend.SubscribeStreamRequest) (*backend.SubscribeStreamResponse, error) {
+	return d.Service.SubscribeStream(ctx, req)
+}
+
+func (d *Datasource) PublishStream(ctx context.Context, req *backend.PublishStreamRequest) (*backend.PublishStreamResponse, error) {
+	return d.Service.PublishStream(ctx, req)
+}
+
+func (d *Datasource) RunStream(ctx context.Context, req *backend.RunStreamRequest, sender *backend.StreamSender) error {
+	return d.Service.RunStream(ctx, req, sender)
+}