libpod: move linux-specific code to _linux.go

This fixes a few "unused" linter warnings on freebsd.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

libpod/container_inspect.go

@@ -11,7 +11,6 @@ import (
 	"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"
 	spec "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/sirupsen/logrus"
@@ -491,17 +490,6 @@ func (c *Container) generateInspectContainerConfig(spec *spec.Spec) *define.Insp
 	return ctrConfig
 }
 
-func generateIDMappings(idMappings types.IDMappingOptions) *define.InspectIDMappings {
-	var inspectMappings define.InspectIDMappings
-	for _, uid := range idMappings.UIDMap {
-		inspectMappings.UIDMap = append(inspectMappings.UIDMap, fmt.Sprintf("%d:%d:%d", uid.ContainerID, uid.HostID, uid.Size))
-	}
-	for _, gid := range idMappings.GIDMap {
-		inspectMappings.GIDMap = append(inspectMappings.GIDMap, fmt.Sprintf("%d:%d:%d", gid.ContainerID, gid.HostID, gid.Size))
-	}
-	return &inspectMappings
-}
-
 // Generate the InspectContainerHostConfig struct for the HostConfig field of
 // Inspect.
 func (c *Container) generateInspectContainerHostConfig(ctrSpec *spec.Spec, namedVolumes []*ContainerNamedVolume, mounts []spec.Mount) (*define.InspectContainerHostConfig, error) {
@@ -659,29 +647,6 @@ func (c *Container) generateInspectContainerHostConfig(ctrSpec *spec.Spec, named
 	return hostConfig, nil
 }
 
-// Return true if the container is running in the host's PID NS.
-func (c *Container) inHostPidNS() (bool, error) {
-	if c.config.PIDNsCtr != "" {
-		return false, nil
-	}
-	ctrSpec, err := c.specFromState()
-	if err != nil {
-		return false, err
-	}
-	if ctrSpec.Linux != nil {
-		// Locate the spec's PID namespace.
-		// If there is none, it's pid=host.
-		// If there is one and it has a path, it's "ns:".
-		// If there is no path, it's default - the empty string.
-		for _, ns := range ctrSpec.Linux.Namespaces {
-			if ns.Type == spec.PIDNamespace {
-				return false, nil
-			}
-		}
-	}
-	return true, nil
-}
-
 func (c *Container) GetDevices(priv bool, ctrSpec spec.Spec, deviceNodes map[string]string) ([]define.InspectDevice, error) {
 	devices := []define.InspectDevice{}
 	if ctrSpec.Linux != nil && !priv {

libpod/container_inspect_linux.go

@@ -10,6 +10,7 @@ import (
 	"github.com/containers/common/pkg/config"
 	"github.com/containers/podman/v5/libpod/define"
 	"github.com/containers/podman/v5/pkg/util"
+	"github.com/containers/storage/types"
 	"github.com/moby/sys/capability"
 	spec "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/sirupsen/logrus"
@@ -309,3 +310,37 @@ func (c *Container) platformInspectContainerHostConfig(ctrSpec *spec.Spec, hostC
 
 	return nil
 }
+
+func generateIDMappings(idMappings types.IDMappingOptions) *define.InspectIDMappings {
+	var inspectMappings define.InspectIDMappings
+	for _, uid := range idMappings.UIDMap {
+		inspectMappings.UIDMap = append(inspectMappings.UIDMap, fmt.Sprintf("%d:%d:%d", uid.ContainerID, uid.HostID, uid.Size))
+	}
+	for _, gid := range idMappings.GIDMap {
+		inspectMappings.GIDMap = append(inspectMappings.GIDMap, fmt.Sprintf("%d:%d:%d", gid.ContainerID, gid.HostID, gid.Size))
+	}
+	return &inspectMappings
+}
+
+// Return true if the container is running in the host's PID NS.
+func (c *Container) inHostPidNS() (bool, error) {
+	if c.config.PIDNsCtr != "" {
+		return false, nil
+	}
+	ctrSpec, err := c.specFromState()
+	if err != nil {
+		return false, err
+	}
+	if ctrSpec.Linux != nil {
+		// Locate the spec's PID namespace.
+		// If there is none, it's pid=host.
+		// If there is one and it has a path, it's "ns:".
+		// If there is no path, it's default - the empty string.
+		for _, ns := range ctrSpec.Linux.Namespaces {
+			if ns.Type == spec.PIDNamespace {
+				return false, nil
+			}
+		}
+	}
+	return true, nil
+}

libpod/oci_conmon_linux.go

@@ -164,6 +164,11 @@ func (r *ConmonOCIRuntime) withContainerSocketLabel(ctr *Container, closure func
 	return err
 }
 
+// Create systemd unit name for cgroup scopes.
+func createUnitName(prefix string, name string) string {
+	return fmt.Sprintf("%s-%s.scope", prefix, name)
+}
+
 // moveConmonToCgroupAndSignal gets a container's cgroupParent and moves the conmon process to that cgroup
 // it then signals for conmon to start by sending nonce data down the start fd
 func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec.Cmd, startFd *os.File) error {

libpod/oci_util.go

@@ -27,11 +27,6 @@ type ociError struct {
 	Msg   string `json:"msg,omitempty"`
 }
 
-// Create systemd unit name for cgroup scopes
-func createUnitName(prefix string, name string) string {
-	return fmt.Sprintf("%s-%s.scope", prefix, name)
-}
-
 // Bind ports to keep them closed on the host
 func bindPorts(ports []types.PortMapping) ([]*os.File, error) {
 	var files []*os.File