CI: Build pre-release artifacts in GhA on merge to release branches and main. (#106779)

* Add grafana-build action and workflow

* Fix the --verify flag stalling on tar.gz builds

* Add event sources for main / release branches

* Update CODEOWNERS

pkg/build/daggerbuild/artifacts/package_msi.go

@@ -29,6 +29,7 @@ type MSI struct {
 	BuildID      string
 	Distribution backend.Distribution
 	Enterprise   bool
+	Grafana      *dagger.Directory
 
 	Tarball *pipeline.Artifact
 }
@@ -40,7 +41,7 @@ func (d *MSI) Dependencies(ctx context.Context) ([]*pipeline.Artifact, error) {
 }
 
 func (d *MSI) Builder(ctx context.Context, opts *pipeline.ArtifactContainerOpts) (*dagger.Container, error) {
-	return msi.Builder(opts.Client)
+	return msi.Builder(opts.Client, d.Grafana), nil
 }
 
 func (d *MSI) BuildFile(ctx context.Context, builder *dagger.Container, opts *pipeline.ArtifactContainerOpts) (*dagger.File, error) {
@@ -105,6 +106,11 @@ func NewMSIFromString(ctx context.Context, log *slog.Logger, artifact string, st
 		return nil, fmt.Errorf("distribution ('%s') for exe '%s' is not a Windows distribution", string(p.Distribution), artifact)
 	}
 
+	src, err := GrafanaDir(ctx, state, p.Enterprise)
+	if err != nil {
+		return nil, err
+	}
+
 	return pipeline.ArtifactWithLogging(ctx, log, &pipeline.Artifact{
 		ArtifactString: artifact,
 		Handler: &MSI{
@@ -114,6 +120,7 @@ func NewMSIFromString(ctx context.Context, log *slog.Logger, artifact string, st
 			Distribution: p.Distribution,
 			Enterprise:   p.Enterprise,
 			Tarball:      targz,
+			Grafana:      src,
 		},
 		Type:  pipeline.ArtifactTypeFile,
 		Flags: ZipFlags,

pkg/build/daggerbuild/artifacts/package_targz.go

@@ -363,19 +363,23 @@ func verifyTarball(
 		Platform: platform,
 	}).From("ubuntu:22.04").
 		WithExec([]string{"apt-get", "update", "-yq"}).
-		WithExec([]string{"apt-get", "install", "-yq", "ca-certificates", "libfontconfig1"}).
+		WithExec([]string{"apt-get", "install", "-yq", "ca-certificates"}).
 		WithDirectory("/src", archive).
+		WithMountedTemp("/tmp").
 		WithWorkdir("/src")
 
 	if err := e2e.ValidateLicense(ctx, service, "/src/LICENSE", enterprise); err != nil {
 		return err
 	}
 
-	service = service.
-		WithExec([]string{"./bin/grafana", "server"}).
-		WithExposedPort(3000)
+	svc := service.
+		WithEnvVariable("GF_PATHS_PLUGINS", "/tmp").
+		WithEnvVariable("GF_LOG_LEVEL", "error").
+		WithExposedPort(3000).AsService(dagger.ContainerAsServiceOpts{
+		Args: []string{"./bin/grafana", "server"},
+	})
 
-	if _, err := containers.ExitError(ctx, e2e.ValidatePackage(d, service.AsService(), src, yarnCache, nodeVersion)); err != nil {
+	if _, err := containers.ExitError(ctx, e2e.ValidatePackage(d, svc, src, yarnCache, nodeVersion)); err != nil {
 		return err
 	}
 	return nil