Merge pull request #25828 from IAmJSD/patch-1

Make Go not panic on a partial update

pkg/bindings/containers/update.go

@@ -26,13 +26,21 @@ func Update(ctx context.Context, options *types.ContainerUpdateOptions) (string,
 			params.Set("restartRetries", strconv.Itoa(int(*options.RestartRetries)))
 		}
 	}
+
 	updateEntities := &handlers.UpdateEntities{
-		LinuxResources:               *options.Resources,
+		Env:      options.Env,
-		UpdateHealthCheckConfig:      *options.ChangedHealthCheckConfiguration,
+		UnsetEnv: options.UnsetEnv,
-		UpdateContainerDevicesLimits: *options.DevicesLimits,
-		Env:                          options.Env,
-		UnsetEnv:                     options.UnsetEnv,
 	}
+	if options.Resources != nil {
+		updateEntities.LinuxResources = *options.Resources
+	}
+	if options.ChangedHealthCheckConfiguration != nil {
+		updateEntities.UpdateHealthCheckConfig = *options.ChangedHealthCheckConfiguration
+	}
+	if options.DevicesLimits != nil {
+		updateEntities.UpdateContainerDevicesLimits = *options.DevicesLimits
+	}
+
 	requestData, err := jsoniter.MarshalToString(updateEntities)
 	if err != nil {
 		return "", err

pkg/bindings/test/containers_test.go

@@ -9,6 +9,7 @@ import (
 	"github.com/containers/podman/v5/pkg/bindings"
 	"github.com/containers/podman/v5/pkg/bindings/containers"
 	"github.com/containers/podman/v5/pkg/domain/entities/reports"
+	"github.com/containers/podman/v5/pkg/domain/entities/types"
 	"github.com/containers/podman/v5/pkg/specgen"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -802,4 +803,15 @@ var _ = Describe("Podman containers ", func() {
 		Expect(c).To(HaveLen(1))
 		Expect(c[0].PodName).To(Equal(podName))
 	})
+
+	It("Update container allows for partial updates", func() {
+		var name = "top"
+		_, err := bt.RunTopContainer(&name, nil)
+		Expect(err).ToNot(HaveOccurred())
+
+		_, err = containers.Update(bt.conn, &types.ContainerUpdateOptions{
+			NameOrID: name,
+		})
+		Expect(err).ToNot(HaveOccurred())
+	})
 })