dd0542f7c1
Unfortunately, this is a rather large diff, but perhaps worth a one-time "rip off the bandaid" for v2. This patch removes the use of "gocontext" as alias for stdLib's "context", and uses "cliContext" for uses of cli.context. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
100 lines
3.1 KiB
Go
100 lines
3.1 KiB
Go
//go:build !windows
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package commands
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import (
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"errors"
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"github.com/containerd/containerd/api/types/runc/options"
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runtimeoptions "github.com/containerd/containerd/api/types/runtimeoptions/v1"
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"github.com/urfave/cli/v2"
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)
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func init() {
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RuntimeFlags = append(RuntimeFlags, &cli.StringFlag{
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Name: "runc-binary",
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Usage: "Specify runc-compatible binary",
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}, &cli.StringFlag{
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Name: "runc-root",
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Usage: "Specify runc-compatible root",
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}, &cli.BoolFlag{
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Name: "runc-systemd-cgroup",
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Usage: "Start runc with systemd cgroup manager",
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})
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ContainerFlags = append(ContainerFlags, &cli.BoolFlag{
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Name: "rootfs",
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Usage: "Use custom rootfs that is not managed by containerd snapshotter",
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}, &cli.BoolFlag{
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Name: "no-pivot",
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Usage: "Disable use of pivot-root (linux only)",
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}, &cli.Int64Flag{
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Name: "cpu-quota",
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Usage: "Limit CPU CFS quota",
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Value: -1,
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}, &cli.Uint64Flag{
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Name: "cpu-period",
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Usage: "Limit CPU CFS period",
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}, &cli.StringFlag{
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Name: "rootfs-propagation",
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Usage: "Set the propagation of the container rootfs",
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}, &cli.StringSliceFlag{
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Name: "device",
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Usage: "File path to a device to add to the container; or a path to a directory tree of devices to add to the container",
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})
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}
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func getRuncOptions(cliContext *cli.Context) (*options.Options, error) {
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runtimeOpts := &options.Options{}
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if runcBinary := cliContext.String("runc-binary"); runcBinary != "" {
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runtimeOpts.BinaryName = runcBinary
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}
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if cliContext.Bool("runc-systemd-cgroup") {
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if cliContext.String("cgroup") == "" {
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// runc maps "machine.slice:foo:deadbeef" to "/machine.slice/foo-deadbeef.scope"
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return nil, errors.New("option --runc-systemd-cgroup requires --cgroup to be set, e.g. \"machine.slice:foo:deadbeef\"")
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}
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runtimeOpts.SystemdCgroup = true
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}
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if root := cliContext.String("runc-root"); root != "" {
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runtimeOpts.Root = root
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}
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return runtimeOpts, nil
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}
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func RuntimeOptions(cliContext *cli.Context) (interface{}, error) {
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// validate first
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if (cliContext.String("runc-binary") != "" || cliContext.Bool("runc-systemd-cgroup")) &&
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cliContext.String("runtime") != "io.containerd.runc.v2" {
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return nil, errors.New("specifying runc-binary and runc-systemd-cgroup is only supported for \"io.containerd.runc.v2\" runtime")
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}
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if cliContext.String("runtime") == "io.containerd.runc.v2" {
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return getRuncOptions(cliContext)
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}
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if configPath := cliContext.String("runtime-config-path"); configPath != "" {
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return &runtimeoptions.Options{
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ConfigPath: configPath,
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}, nil
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}
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return nil, nil
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}
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