From 6b0864434ad2780160c06ba607c76b0325b60175 Mon Sep 17 00:00:00 2001 From: Qi Wang Date: Fri, 21 Aug 2020 13:56:50 -0400 Subject: Add global options --runtime-flags Add global options --runtime-flags for setting options to container runtime. Signed-off-by: Qi Wang --- libpod/oci_conmon_linux.go | 25 ++++++++++++++++++------- libpod/oci_conmon_unsupported.go | 2 +- libpod/options.go | 11 +++++++++++ libpod/runtime.go | 5 +++-- 4 files changed, 33 insertions(+), 10 deletions(-) (limited to 'libpod') diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go index f66835771..23b020faa 100644 --- a/libpod/oci_conmon_linux.go +++ b/libpod/oci_conmon_linux.go @@ -64,6 +64,7 @@ type ConmonOCIRuntime struct { logSizeMax int64 noPivot bool reservePorts bool + runtimeFlags []string supportsJSON bool supportsKVM bool supportsNoCgroups bool @@ -76,7 +77,7 @@ type ConmonOCIRuntime struct { // The first path that points to a valid executable will be used. // Deliberately private. Someone should not be able to construct this outside of // libpod. -func newConmonOCIRuntime(name string, paths []string, conmonPath string, runtimeCfg *config.Config) (OCIRuntime, error) { +func newConmonOCIRuntime(name string, paths []string, conmonPath string, runtimeFlags []string, runtimeCfg *config.Config) (OCIRuntime, error) { if name == "" { return nil, errors.Wrapf(define.ErrInvalidArg, "the OCI runtime must be provided a non-empty name") } @@ -98,6 +99,7 @@ func newConmonOCIRuntime(name string, paths []string, conmonPath string, runtime runtime := new(ConmonOCIRuntime) runtime.name = name runtime.conmonPath = conmonPath + runtime.runtimeFlags = runtimeFlags runtime.conmonEnv = runtimeCfg.Engine.ConmonEnvVars runtime.cgroupManager = runtimeCfg.Engine.CgroupManager @@ -378,7 +380,7 @@ func (r *ConmonOCIRuntime) StartContainer(ctr *Container) error { if path, ok := os.LookupEnv("PATH"); ok { env = append(env, fmt.Sprintf("PATH=%s", path)) } - if err := utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, "start", ctr.ID()); err != nil { + if err := utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, append(r.runtimeFlags, "start", ctr.ID())...); err != nil { return err } @@ -398,10 +400,11 @@ func (r *ConmonOCIRuntime) KillContainer(ctr *Container, signal uint, all bool) } env := []string{fmt.Sprintf("XDG_RUNTIME_DIR=%s", runtimeDir)} var args []string + args = append(args, r.runtimeFlags...) if all { - args = []string{"kill", "--all", ctr.ID(), fmt.Sprintf("%d", signal)} + args = append(args, "kill", "--all", ctr.ID(), fmt.Sprintf("%d", signal)) } else { - args = []string{"kill", ctr.ID(), fmt.Sprintf("%d", signal)} + args = append(args, "kill", ctr.ID(), fmt.Sprintf("%d", signal)) } if err := utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, args...); err != nil { return errors.Wrapf(err, "error sending signal to container %s", ctr.ID()) @@ -478,7 +481,7 @@ func (r *ConmonOCIRuntime) DeleteContainer(ctr *Container) error { return err } env := []string{fmt.Sprintf("XDG_RUNTIME_DIR=%s", runtimeDir)} - return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, "delete", "--force", ctr.ID()) + return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, append(r.runtimeFlags, "delete", "--force", ctr.ID())...) } // PauseContainer pauses the given container. @@ -488,7 +491,7 @@ func (r *ConmonOCIRuntime) PauseContainer(ctr *Container) error { return err } env := []string{fmt.Sprintf("XDG_RUNTIME_DIR=%s", runtimeDir)} - return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, "pause", ctr.ID()) + return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, append(r.runtimeFlags, "pause", ctr.ID())...) } // UnpauseContainer unpauses the given container. @@ -498,7 +501,7 @@ func (r *ConmonOCIRuntime) UnpauseContainer(ctr *Container) error { return err } env := []string{fmt.Sprintf("XDG_RUNTIME_DIR=%s", runtimeDir)} - return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, "resume", ctr.ID()) + return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, env, r.path, append(r.runtimeFlags, "resume", ctr.ID())...) } // HTTPAttach performs an attach for the HTTP API. @@ -765,6 +768,7 @@ func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options Container logrus.Debugf("Writing checkpoint to %s", imagePath) logrus.Debugf("Writing checkpoint logs to %s", workPath) args := []string{} + args = append(args, r.runtimeFlags...) args = append(args, "checkpoint") args = append(args, "--image-path") args = append(args, imagePath) @@ -1310,6 +1314,13 @@ func (r *ConmonOCIRuntime) sharedConmonArgs(ctr *Container, cuuid, bundlePath, p "--exit-dir", exitDir, "--socket-dir-path", r.socketsDir, } + if len(r.runtimeFlags) > 0 { + rFlags := []string{} + for _, arg := range r.runtimeFlags { + rFlags = append(rFlags, "--runtime-arg", arg) + } + args = append(args, rFlags...) + } if r.cgroupManager == config.SystemdCgroupsManager && !ctr.config.NoCgroups && ctr.config.CgroupsMode != cgroupSplit { args = append(args, "-s") diff --git a/libpod/oci_conmon_unsupported.go b/libpod/oci_conmon_unsupported.go index 28d6ef12f..2504c31f0 100644 --- a/libpod/oci_conmon_unsupported.go +++ b/libpod/oci_conmon_unsupported.go @@ -17,7 +17,7 @@ type ConmonOCIRuntime struct { } // newConmonOCIRuntime is not supported on this OS. -func newConmonOCIRuntime(name string, paths []string, conmonPath string, runtimeCfg *config.Config) (OCIRuntime, error) { +func newConmonOCIRuntime(name string, paths []string, conmonPath string, runtimeFlags []string, runtimeCfg *config.Config) (OCIRuntime, error) { return nil, define.ErrNotImplemented } diff --git a/libpod/options.go b/libpod/options.go index dccbb8741..577c03810 100644 --- a/libpod/options.go +++ b/libpod/options.go @@ -529,6 +529,17 @@ func WithEnableSDNotify() RuntimeOption { } } +// WithRuntimeFlags adds the global runtime flags to the container config +func WithRuntimeFlags(runtimeFlags []string) RuntimeOption { + return func(rt *Runtime) error { + if rt.valid { + return define.ErrRuntimeFinalized + } + rt.runtimeFlags = runtimeFlags + return nil + } +} + // Container Creation Options // WithShmDir sets the directory that should be mounted on /dev/shm. diff --git a/libpod/runtime.go b/libpod/runtime.go index 1d2e624d8..fdd9ebcc8 100644 --- a/libpod/runtime.go +++ b/libpod/runtime.go @@ -53,6 +53,7 @@ type Runtime struct { imageContext *types.SystemContext defaultOCIRuntime OCIRuntime ociRuntimes map[string]OCIRuntime + runtimeFlags []string netPlugin ocicni.CNIPlugin conmonPath string imageRuntime *image.Runtime @@ -365,7 +366,7 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (retErr error) { // Initialize remaining OCI runtimes for name, paths := range runtime.config.Engine.OCIRuntimes { - ociRuntime, err := newConmonOCIRuntime(name, paths, runtime.conmonPath, runtime.config) + ociRuntime, err := newConmonOCIRuntime(name, paths, runtime.conmonPath, runtime.runtimeFlags, runtime.config) if err != nil { // Don't fatally error. // This will allow us to ship configs including optional @@ -385,7 +386,7 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (retErr error) { if strings.HasPrefix(runtime.config.Engine.OCIRuntime, "/") { name := filepath.Base(runtime.config.Engine.OCIRuntime) - ociRuntime, err := newConmonOCIRuntime(name, []string{runtime.config.Engine.OCIRuntime}, runtime.conmonPath, runtime.config) + ociRuntime, err := newConmonOCIRuntime(name, []string{runtime.config.Engine.OCIRuntime}, runtime.conmonPath, runtime.runtimeFlags, runtime.config) if err != nil { return err } -- cgit v1.2.3-54-g00ecf