CI: Move grabpl publish-metrics (#55042)

* move grabpl publish-metrics

* grabpl -> ./bin/build

* fix lint error

pkg/build/cmd/main.go

@@ -108,6 +108,12 @@ func main() {
 				&noInstallDepsFlag,
 			},
 		},
+		{
+			Name:      "publish-metrics",
+			Usage:     "Publish a set of metrics from stdin",
+			ArgsUsage: "<api-key>",
+			Action:    ArgCountWrapper(1, PublishMetrics),
+		},
 	}
 
 	if err := app.Run(os.Args); err != nil {

pkg/build/cmd/publishmetrics.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"regexp"
+
+	"github.com/grafana/grafana/pkg/build/metrics"
+	"github.com/urfave/cli/v2"
+)
+
+func PublishMetrics(c *cli.Context) error {
+	apiKey := c.Args().Get(0)
+
+	input, err := io.ReadAll(os.Stdin)
+	if err != nil {
+		return cli.NewExitError(fmt.Sprintf("Reading from stdin failed: %s", err), 1)
+	}
+
+	reMetrics := regexp.MustCompile(`(?ms)^Metrics: (\{.+\})`)
+	ms := reMetrics.FindSubmatch(input)
+	if len(ms) == 0 {
+		return cli.NewExitError(fmt.Sprintf("Input on wrong format: %q", string(input)), 1)
+	}
+
+	m := map[string]string{}
+	if err := json.Unmarshal(ms[1], &m); err != nil {
+		return cli.NewExitError(fmt.Sprintf("decoding metrics failed: %s", err), 1)
+	}
+
+	log.Printf("Received metrics %+v", m)
+
+	if err := metrics.Publish(m, apiKey); err != nil {
+		return cli.NewExitError(fmt.Sprintf("publishing metrics failed: %s", err), 1)
+	}
+
+	return nil
+}