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podman
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libpod: remove deadcode 

Signed-off-by: Paul Holzinger <pholzing@redhat.com>
This commit is contained in:
Paul Holzinger 2025-06-18 14:58:45 +02:00
parent 42afddb9e0
commit 3951de91aa
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GPG Key ID: EB145DD938A3CAF2
4 changed files with 0 additions and 249 deletions
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194
libpod/options.go
View File

@ -19,7 +19,6 @@ import (
"github.com/containers/podman/v5/libpod/define"
"github.com/containers/podman/v5/libpod/events"
"github.com/containers/podman/v5/pkg/namespaces"
"github.com/containers/podman/v5/pkg/specgen"
"github.com/containers/podman/v5/pkg/util"
"github.com/containers/storage"
"github.com/containers/storage/pkg/fileutils"
@ -134,22 +133,6 @@ func WithImageStore(imageStore string) RuntimeOption {
}
}
// WithSignaturePolicy specifies the path of a file which decides how trust is
// managed for images we've pulled.
// If this is not specified, the system default configuration will be used
// instead.
func WithSignaturePolicy(path string) RuntimeOption {
return func(rt *Runtime) error {
if rt.valid {
return define.ErrRuntimeFinalized
}
rt.config.Engine.SignaturePolicyPath = path
return nil
}
}
// WithOCIRuntime specifies an OCI runtime to use for running containers.
func WithOCIRuntime(runtime string) RuntimeOption {
return func(rt *Runtime) error {
@ -196,19 +179,6 @@ func WithConmonPath(path string) RuntimeOption {
}
}
// WithConmonEnv specifies the environment variable list for the conmon process.
func WithConmonEnv(environment []string) RuntimeOption {
return func(rt *Runtime) error {
if rt.valid {
return define.ErrRuntimeFinalized
}
rt.config.Engine.ConmonEnvVars.Set(environment)
return nil
}
}
// WithNetworkCmdPath specifies the path to the slirp4netns binary which manages the
// runtime.
func WithNetworkCmdPath(path string) RuntimeOption {
@ -382,20 +352,6 @@ func WithTmpDir(dir string) RuntimeOption {
}
}
// WithNoPivotRoot sets the runtime to use MS_MOVE instead of PIVOT_ROOT when
// starting containers.
func WithNoPivotRoot() RuntimeOption {
return func(rt *Runtime) error {
if rt.valid {
return define.ErrRuntimeFinalized
}
rt.config.Engine.NoPivotRoot = true
return nil
}
}
// WithNetworkConfigDir sets the network configuration directory.
func WithNetworkConfigDir(dir string) RuntimeOption {
return func(rt *Runtime) error {
@ -409,19 +365,6 @@ func WithNetworkConfigDir(dir string) RuntimeOption {
}
}
// WithCNIPluginDir sets the CNI plugins directory.
func WithCNIPluginDir(dir string) RuntimeOption {
return func(rt *Runtime) error {
if rt.valid {
return define.ErrRuntimeFinalized
}
rt.config.Network.CNIPluginDirs.Set([]string{dir})
return nil
}
}
// WithNamespace sets the namespace for libpod.
// Namespaces are used to create scopes to separate containers and pods
// in the state.
@ -458,20 +401,6 @@ func WithVolumePath(volPath string) RuntimeOption {
}
}
// WithDefaultInfraCommand sets the command to
// run on pause container start up.
func WithDefaultInfraCommand(cmd string) RuntimeOption {
return func(rt *Runtime) error {
if rt.valid {
return define.ErrRuntimeFinalized
}
rt.config.Engine.InfraCommand = cmd
return nil
}
}
// WithReset tells Libpod that the runtime will be used to perform a system
// reset. A number of checks at initialization are relaxed as the runtime is
// going to be used to remove all containers, pods, volumes, images, and
@ -859,28 +788,6 @@ func WithIDMappings(idmappings storage.IDMappingOptions) CtrCreateOption {
}
}
// WithUTSNSFromPod indicates that the container should join the UTS namespace of
// its pod
func WithUTSNSFromPod(p *Pod) CtrCreateOption {
return func(ctr *Container) error {
if ctr.valid {
return define.ErrCtrFinalized
}
if err := validPodNSOption(p, ctr.config.Pod); err != nil {
return err
}
infraContainer, err := p.InfraContainerID()
if err != nil {
return err
}
ctr.config.UTSNsCtr = infraContainer
return nil
}
}
// WithIPCNSFrom indicates that the container should join the IPC namespace of
// the given container.
// If the container has joined a pod, it can only join the namespaces of
@ -901,25 +808,6 @@ func WithIPCNSFrom(nsCtr *Container) CtrCreateOption {
}
}
// WithMountNSFrom indicates that the container should join the mount namespace
// of the given container.
// If the container has joined a pod, it can only join the namespaces of
// containers in the same pod.
func WithMountNSFrom(nsCtr *Container) CtrCreateOption {
return func(ctr *Container) error {
if ctr.valid {
return define.ErrCtrFinalized
}
if err := checkDependencyContainer(nsCtr, ctr); err != nil {
return err
}
ctr.config.MountNsCtr = nsCtr.ID()
return nil
}
}
// WithNetNSFrom indicates that the container should join the network namespace
// of the given container.
// If the container has joined a pod, it can only join the namespaces of
@ -1370,22 +1258,6 @@ func WithRootFS(rootfs string, overlay bool, mapping *string) CtrCreateOption {
}
}
// WithCtrNamespace sets the namespace the container will be created in.
// Namespaces are used to create separate views of Podman's state - runtimes can
// join a specific namespace and see only containers and pods in that namespace.
// Empty string namespaces are allowed, and correspond to a lack of namespace.
func WithCtrNamespace(ns string) CtrCreateOption {
return func(ctr *Container) error {
if ctr.valid {
return define.ErrCtrFinalized
}
ctr.config.Namespace = ns
return nil
}
}
// WithUseImageResolvConf tells the container not to bind-mount resolv.conf in.
// This conflicts with other DNS-related options.
func WithUseImageResolvConf() CtrCreateOption {
@ -2016,25 +1888,6 @@ func WithSelectedPasswordManagement(passwd *bool) CtrCreateOption {
}
}
// WithInfraConfig allows for inheritance of compatible config entities from the infra container
func WithInfraConfig(compatibleOptions InfraInherit) CtrCreateOption {
return func(ctr *Container) error {
if ctr.valid {
return define.ErrCtrFinalized
}
compatMarshal, err := json.Marshal(compatibleOptions)
if err != nil {
return errors.New("could not marshal compatible options")
}
err = json.Unmarshal(compatMarshal, ctr.config)
if err != nil {
return errors.New("could not unmarshal compatible options into container config")
}
return nil
}
}
// WithStartupHealthcheck sets a startup healthcheck for the container.
// Requires that a healthcheck must be set.
func WithStartupHealthcheck(startupHC *define.StartupHealthCheck) CtrCreateOption {
@ -2152,18 +2005,6 @@ func WithPodHostname(hostname string) PodCreateOption {
}
}
// WithInfraConmonPidFile sets the path to a custom conmon PID file for the
// infra container.
func WithInfraConmonPidFile(path string, infraSpec *specgen.SpecGenerator) PodCreateOption {
return func(pod *Pod) error {
if pod.valid {
return define.ErrPodFinalized
}
infraSpec.ConmonPidFile = path
return nil
}
}
// WithPodLabels sets the labels of a pod.
func WithPodLabels(labels map[string]string) PodCreateOption {
return func(pod *Pod) error {
@ -2209,23 +2050,6 @@ func WithPodParent() PodCreateOption {
}
}
// WithPodNamespace sets the namespace for the created pod.
// Namespaces are used to create separate views of Podman's state - runtimes can
// join a specific namespace and see only containers and pods in that namespace.
// Empty string namespaces are allowed, and correspond to a lack of namespace.
// Containers must belong to the same namespace as the pod they join.
func WithPodNamespace(ns string) PodCreateOption {
return func(pod *Pod) error {
if pod.valid {
return define.ErrPodFinalized
}
pod.config.Namespace = ns
return nil
}
}
// WithPodIPC tells containers in this pod to use the ipc namespace
// created for this pod.
// Containers in a pod will inherit the kernel namespaces from the
@ -2258,24 +2082,6 @@ func WithPodNet() PodCreateOption {
}
}
// WithPodMount tells containers in this pod to use the mount namespace
// created for this pod.
// Containers in a pod will inherit the kernel namespaces from the
// first container added.
// TODO implement WithMountNSFrom, so WithMountNsFromPod functions properly
// Then this option can be added on the pod level
func WithPodMount() PodCreateOption {
return func(pod *Pod) error {
if pod.valid {
return define.ErrPodFinalized
}
pod.config.UsePodMount = true
return nil
}
}
// WithPodUser tells containers in this pod to use the user namespace
// created for this pod.
// Containers in a pod will inherit the kernel namespaces from the

9
libpod/runtime.go
View File

@ -176,15 +176,6 @@ func NewRuntime(ctx context.Context, options ...RuntimeOption) (*Runtime, error)
return newRuntimeFromConfig(ctx, conf, options...)
}
// NewRuntimeFromConfig creates a new container runtime using the given
// configuration file for its default configuration. Passed RuntimeOption
// functions can be used to mutate this configuration further.
// An error will be returned if the configuration file at the given path does
// not exist or cannot be loaded
func NewRuntimeFromConfig(ctx context.Context, userConfig *config.Config, options ...RuntimeOption) (*Runtime, error) {
return newRuntimeFromConfig(ctx, userConfig, options...)
}
func newRuntimeFromConfig(ctx context.Context, conf *config.Config, options ...RuntimeOption) (*Runtime, error) {
runtime := new(Runtime)

22
libpod/runtime_img.go
View File

@ -6,8 +6,6 @@ import (
"context"
"errors"
"fmt"
"io"
"os"
buildahDefine "github.com/containers/buildah/define"
"github.com/containers/buildah/imagebuildah"
@ -15,7 +13,6 @@ import (
"github.com/containers/image/v5/docker/reference"
"github.com/containers/podman/v5/libpod/define"
"github.com/containers/podman/v5/libpod/events"
"github.com/containers/podman/v5/pkg/util"
"github.com/sirupsen/logrus"
)
@ -130,22 +127,3 @@ func (r *Runtime) Build(ctx context.Context, options buildahDefine.BuildOptions,
r.newImageBuildCompleteEvent(id)
return id, ref, err
}
// DownloadFromFile reads all of the content from the reader and temporarily
// saves in it $TMPDIR/importxyz, which is deleted after the image is imported
func DownloadFromFile(reader *os.File) (string, error) {
outFile, err := os.CreateTemp(util.Tmpdir(), "import")
if err != nil {
return "", fmt.Errorf("creating file: %w", err)
}
defer outFile.Close()
logrus.Debugf("saving %s to %s", reader.Name(), outFile.Name())
_, err = io.Copy(outFile, reader)
if err != nil {
return "", fmt.Errorf("saving %s to %s: %w", reader.Name(), outFile.Name(), err)
}
return outFile.Name(), nil
}

24
libpod/util.go
View File

@ -15,7 +15,6 @@ import (
"slices"
"strconv"
"strings"
"time"
"github.com/containers/common/libnetwork/types"
"github.com/containers/common/pkg/config"
@ -28,14 +27,6 @@ import (
"golang.org/x/sys/unix"
)
// FuncTimer helps measure the execution time of a function
// For debug purposes, do not leave in code
// used like defer FuncTimer("foo")
func FuncTimer(funcName string) {
elapsed := time.Since(time.Now())
fmt.Printf("%s executed in %d ms\n", funcName, elapsed)
}
// MountExists returns true if dest exists in the list of mounts
func MountExists(specMounts []spec.Mount, dest string) bool {
for _, m := range specMounts {
@ -71,21 +62,6 @@ func sortMounts(m []spec.Mount) []spec.Mount {
return m
}
func validPodNSOption(p *Pod, ctrPod string) error {
if p == nil {
return fmt.Errorf("pod passed in was nil. Container may not be associated with a pod: %w", define.ErrInvalidArg)
}
if ctrPod == "" {
return fmt.Errorf("container is not a member of any pod: %w", define.ErrInvalidArg)
}
if ctrPod != p.ID() {
return fmt.Errorf("pod passed in is not the pod the container is associated with: %w", define.ErrInvalidArg)
}
return nil
}
// JSONDeepCopy performs a deep copy by performing a JSON encode/decode of the
// given structures. From and To should be identically typed structs.
func JSONDeepCopy(from, to interface{}) error {