CI: move grafana-build into pkg/build (#105640)

* move grafana-build into pkg/build

pkg/build/daggerbuild/packages/names.go

@@ -0,0 +1,45 @@
+package packages
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/grafana/grafana/pkg/build/daggerbuild/backend"
+)
+
+type Name string
+
+const (
+	PackageGrafana          Name = "grafana"
+	PackageEnterprise       Name = "grafana-enterprise"
+	PackageEnterpriseBoring Name = "grafana-enterprise-boringcrypto"
+	PackagePro              Name = "grafana-pro"
+	PackageNightly          Name = "grafana-nightly"
+)
+
+type NameOpts struct {
+	// Name is the name of the product in the package. 99% of the time, this will be "grafana" or "grafana-enterprise".
+	Name      Name
+	Version   string
+	BuildID   string
+	Distro    backend.Distribution
+	Extension string
+}
+
+// FileName returns a file name that matches this format: {grafana|grafana-enterprise}_{version}_{os}_{arch}_{build_number}.tar.gz
+func FileName(name Name, version, buildID string, distro backend.Distribution, extension string) (string, error) {
+	var (
+		// This should return something like "linux", "arm"
+		os, arch = backend.OSAndArch(distro)
+		// If applicable this will be set to something like "7" (for arm7)
+		archv = backend.ArchVersion(distro)
+	)
+
+	if archv != "" {
+		arch = strings.Join([]string{arch, archv}, "-")
+	}
+
+	p := []string{string(name), version, buildID, os, arch}
+
+	return fmt.Sprintf("%s.%s", strings.Join(p, "_"), extension), nil
+}

pkg/build/daggerbuild/packages/names_test.go

@@ -0,0 +1,71 @@
+package packages_test
+
+import (
+	"testing"
+
+	"github.com/grafana/grafana/pkg/build/daggerbuild/backend"
+	"github.com/grafana/grafana/pkg/build/daggerbuild/packages"
+)
+
+func TestFileName(t *testing.T) {
+	t.Run("It should use the correct name if Enterprise is false", func(t *testing.T) {
+		distro := backend.Distribution("plan9/amd64")
+		opts := packages.NameOpts{
+			Name:      "grafana",
+			Version:   "v1.0.1-test",
+			BuildID:   "333",
+			Distro:    distro,
+			Extension: "tar.gz",
+		}
+
+		expected := "grafana_v1.0.1-test_333_plan9_amd64.tar.gz"
+		if name, _ := packages.FileName(opts.Name, opts.Version, opts.BuildID, opts.Distro, opts.Extension); name != expected {
+			t.Errorf("name '%s' does not match expected name '%s'", name, expected)
+		}
+	})
+	t.Run("It should use the correct name if Enterprise is true", func(t *testing.T) {
+		distro := backend.Distribution("plan9/amd64")
+		opts := packages.NameOpts{
+			Name:      "grafana-enterprise",
+			Version:   "v1.0.1-test",
+			BuildID:   "333",
+			Distro:    distro,
+			Extension: "tar.gz",
+		}
+
+		expected := "grafana-enterprise_v1.0.1-test_333_plan9_amd64.tar.gz"
+		if name, _ := packages.FileName(opts.Name, opts.Version, opts.BuildID, opts.Distro, opts.Extension); name != expected {
+			t.Errorf("name '%s' does not match expected name '%s'", name, expected)
+		}
+	})
+	t.Run("It should use include the arch version if one is supplied in the distro", func(t *testing.T) {
+		distro := backend.Distribution("plan9/arm/v6")
+		opts := packages.NameOpts{
+			Name:      "grafana-enterprise",
+			Version:   "v1.0.1-test",
+			BuildID:   "333",
+			Distro:    distro,
+			Extension: "tar.gz",
+		}
+
+		expected := "grafana-enterprise_v1.0.1-test_333_plan9_arm-6.tar.gz"
+		if name, _ := packages.FileName(opts.Name, opts.Version, opts.BuildID, opts.Distro, opts.Extension); name != expected {
+			t.Errorf("name '%s' does not match expected name '%s'", name, expected)
+		}
+	})
+	t.Run("It should support grafana names with multiple hyphens", func(t *testing.T) {
+		distro := backend.Distribution("plan9/arm/v6")
+		opts := packages.NameOpts{
+			Name:      "grafana-enterprise-rpi",
+			Version:   "v1.0.1-test",
+			BuildID:   "333",
+			Distro:    distro,
+			Extension: "tar.gz",
+		}
+
+		expected := "grafana-enterprise-rpi_v1.0.1-test_333_plan9_arm-6.tar.gz"
+		if name, _ := packages.FileName(opts.Name, opts.Version, opts.BuildID, opts.Distro, opts.Extension); name != expected {
+			t.Errorf("name '%s' does not match expected name '%s'", name, expected)
+		}
+	})
+}