feat: persist prebuild definitions on template import (#16951)

This PR allows provisioners to recognise and report prebuild definitions
to the coder control plane. It also allows the coder control plane to
then persist these to its store.

closes https://github.com/coder/internal/issues/507

---------

Signed-off-by: Danny Kopping <dannykopping@gmail.com>
Co-authored-by: Danny Kopping <dannykopping@gmail.com>
Co-authored-by: evgeniy-scherbina <evgeniy.shcherbina.es@gmail.com>

enterprise/coderd/groups_test.go

@@ -6,6 +6,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/coder/coder/v2/coderd/prebuilds"
+
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/require"
 
@@ -830,6 +832,9 @@ func TestGroup(t *testing.T) {
 		_, user2 := coderdtest.CreateAnotherUser(t, client, user.OrganizationID)
 		ctx := testutil.Context(t, testutil.WaitLong)
 
+		// nolint:gocritic // "This client is operating as the owner user" is fine in this case.
+		prebuildsUser, err := client.User(ctx, prebuilds.SystemUserID.String())
+		require.NoError(t, err)
 		// The 'Everyone' group always has an ID that matches the organization ID.
 		group, err := userAdminClient.Group(ctx, user.OrganizationID)
 		require.NoError(t, err)
@@ -838,6 +843,7 @@ func TestGroup(t *testing.T) {
 		require.Equal(t, user.OrganizationID, group.OrganizationID)
 		require.Contains(t, group.Members, user1.ReducedUser)
 		require.Contains(t, group.Members, user2.ReducedUser)
+		require.NotContains(t, group.Members, prebuildsUser.ReducedUser)
 	})
 }
 

enterprise/coderd/prebuilds/id.go

@@ -0,0 +1 @@
+package prebuilds