feat: make inspect compatible with docker v1.44

Signed-off-by: Florian Bezannier <florian.bezannier@hotmail.fr>

libpod/container_inspect.go

@@ -5,10 +5,13 @@ package libpod
 import (
 	"errors"
 	"fmt"
+	"strconv"
 	"strings"
+	"syscall"
 
 	"github.com/containers/podman/v5/libpod/define"
 	"github.com/containers/podman/v5/libpod/driver"
+	"github.com/containers/podman/v5/pkg/signal"
 	"github.com/containers/podman/v5/pkg/util"
 	"github.com/containers/storage/types"
 	"github.com/docker/go-units"
@@ -388,7 +391,7 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) *define.Insp
 
 	// Leave empty if not explicitly overwritten by user
 	if len(c.config.Entrypoint) != 0 {
-		ctrConfig.Entrypoint = strings.Join(c.config.Entrypoint, " ")
+		ctrConfig.Entrypoint = c.config.Entrypoint
 	}
 
 	if len(c.config.Labels) != 0 {
@@ -404,8 +407,11 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) *define.Insp
 			ctrConfig.Annotations[k] = v
 		}
 	}
-
-	ctrConfig.StopSignal = c.config.StopSignal
+	var signal, err = signal.ParseSysSignalToName(syscall.Signal(c.config.StopSignal))
+	if err != nil {
+		signal = strconv.FormatUint(uint64(c.config.StopSignal), 10)
+	}
+	ctrConfig.StopSignal = fmt.Sprintf("SIG%s", signal)
 	// TODO: should JSON deep copy this to ensure internal pointers don't
 	// leak.
 	ctrConfig.Healthcheck = c.config.HealthCheckConfig

libpod/define/container_inspect.go

@@ -44,7 +44,7 @@ type InspectContainerConfig struct {
 	// Container working directory
 	WorkingDir string `json:"WorkingDir"`
 	// Container entrypoint
-	Entrypoint string `json:"Entrypoint"`
+	Entrypoint []string `json:"Entrypoint"`
 	// On-build arguments - presently unused. More of Buildah's domain.
 	OnBuild *string `json:"OnBuild"`
 	// Container labels
@@ -52,7 +52,7 @@ type InspectContainerConfig struct {
 	// Container annotations
 	Annotations map[string]string `json:"Annotations"`
 	// Container stop signal
-	StopSignal uint `json:"StopSignal"`
+	StopSignal string `json:"StopSignal"`
 	// Configured healthcheck for the container
 	Healthcheck *manifest.Schema2HealthConfig `json:"Healthcheck,omitempty"`
 	// HealthcheckOnFailureAction defines an action to take once the container turns unhealthy.

libpod/util.go

@@ -235,8 +235,12 @@ func makeInspectPorts(bindings []types.PortMapping, expose map[uint16][]string)
 			for i := uint16(0); i < port.Range; i++ {
 				key := fmt.Sprintf("%d/%s", port.ContainerPort+i, protocol)
 				hostPorts := portBindings[key]
+				var host = port.HostIP
+				if len(port.HostIP) == 0 {
+					host = "0.0.0.0"
+				}
 				hostPorts = append(hostPorts, define.InspectHostPort{
-					HostIP:   port.HostIP,
+					HostIP:   host,
 					HostPort: strconv.FormatUint(uint64(port.HostPort+i), 10),
 				})
 				portBindings[key] = hostPorts