From 9977e0345391e748e95e46627a374787873d8b02 Mon Sep 17 00:00:00 2001
From: Nicolas De Loof <nicolas.deloof@gmail.com>
Date: Wed, 24 Nov 2021 09:11:27 +0100
Subject: [PATCH] use CustomLabels for composeV2 metadata and not impact
 service hash

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>
---
 cmd/compose/compose.go | 31 ++++++++++++++++---------------
 pkg/compose/create.go  | 17 ++++++-----------
 pkg/compose/hash.go    |  1 -
 3 files changed, 22 insertions(+), 27 deletions(-)

diff --git a/cmd/compose/compose.go b/cmd/compose/compose.go
index f5a74c08768..1957987b989 100644
--- a/cmd/compose/compose.go
+++ b/cmd/compose/compose.go
@@ -120,22 +120,23 @@ func (o *projectOptions) WithServices(fn ProjectServicesFunc) func(cmd *cobra.Co
 			return err
 		}
 
-		if o.EnvFile != "" {
-			var services types.Services
-			for _, s := range project.Services {
-				ef := o.EnvFile
-				if ef != "" {
-					if !filepath.IsAbs(ef) {
-						ef = filepath.Join(project.WorkingDir, o.EnvFile)
-					}
-					if s.Labels == nil {
-						s.Labels = make(map[string]string)
-					}
-					s.Labels[api.EnvironmentFileLabel] = ef
-					services = append(services, s)
-				}
+		ef := o.EnvFile
+		if ef != "" && !filepath.IsAbs(ef) {
+			ef = filepath.Join(project.WorkingDir, o.EnvFile)
+		}
+		for i, s := range project.Services {
+			s.CustomLabels = map[string]string{
+				api.ProjectLabel:     project.Name,
+				api.ServiceLabel:     s.Name,
+				api.VersionLabel:     api.ComposeVersion,
+				api.WorkingDirLabel:  project.WorkingDir,
+				api.ConfigFilesLabel: strings.Join(project.ComposeFiles, ","),
+				api.OneoffLabel:      "False", // default, will be overridden by `run` command
+			}
+			if ef != "" {
+				s.CustomLabels[api.EnvironmentFileLabel] = ef
 			}
-			project.Services = services
+			project.Services[i] = s
 		}
 
 		return fn(ctx, project, args)
diff --git a/pkg/compose/create.go b/pkg/compose/create.go
index ebedcb3f7e7..d77e075db3d 100644
--- a/pkg/compose/create.go
+++ b/pkg/compose/create.go
@@ -229,7 +229,7 @@ func getImageName(service types.ServiceConfig, projectName string) string {
 func (s *composeService) getCreateOptions(ctx context.Context, p *types.Project, service types.ServiceConfig,
 	number int, inherit *moby.Container, autoRemove bool, attachStdin bool) (*container.Config, *container.HostConfig, *network.NetworkingConfig, error) {
 
-	labels, err := s.prepareLabels(p, service, number)
+	labels, err := s.prepareLabels(service, number)
 	if err != nil {
 		return nil, nil, nil, err
 	}
@@ -414,28 +414,23 @@ func parseSecurityOpts(p *types.Project, securityOpts []string) ([]string, error
 	return securityOpts, nil
 }
 
-func (s *composeService) prepareLabels(p *types.Project, service types.ServiceConfig, number int) (map[string]string, error) {
+func (s *composeService) prepareLabels(service types.ServiceConfig, number int) (map[string]string, error) {
 	labels := map[string]string{}
 	for k, v := range service.Labels {
 		labels[k] = v
 	}
-
-	labels[api.ProjectLabel] = p.Name
-	labels[api.ServiceLabel] = service.Name
-	labels[api.VersionLabel] = api.ComposeVersion
-	if _, ok := service.Labels[api.OneoffLabel]; !ok {
-		labels[api.OneoffLabel] = "False"
+	for k, v := range service.CustomLabels {
+		labels[k] = v
 	}
 
 	hash, err := ServiceHash(service)
 	if err != nil {
 		return nil, err
 	}
-
 	labels[api.ConfigHashLabel] = hash
-	labels[api.WorkingDirLabel] = p.WorkingDir
-	labels[api.ConfigFilesLabel] = strings.Join(p.ComposeFiles, ",")
+
 	labels[api.ContainerNumberLabel] = strconv.Itoa(number)
+
 	var dependencies []string
 	for s := range service.DependsOn {
 		dependencies = append(dependencies, s)
diff --git a/pkg/compose/hash.go b/pkg/compose/hash.go
index 56f7e3e9d53..e3f2aa0e337 100644
--- a/pkg/compose/hash.go
+++ b/pkg/compose/hash.go
@@ -24,7 +24,6 @@ import (
 )
 
 // ServiceHash compute configuration has for a service
-// TODO move this to compose-go
 func ServiceHash(o types.ServiceConfig) (string, error) {
 	// remove the Build config when generating the service hash
 	o.Build = nil