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package libpodruntime
import (
"context"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/pkg/util"
"github.com/containers/storage"
"github.com/pkg/errors"
)
// GetRuntimeMigrate gets a libpod runtime that will perform a migration of existing containers
func GetRuntimeMigrate(ctx context.Context, c *cliconfig.PodmanCommand) (*libpod.Runtime, error) {
return getRuntime(ctx, c, false, true)
}
// GetRuntimeRenumber gets a libpod runtime that will perform a lock renumber
func GetRuntimeRenumber(ctx context.Context, c *cliconfig.PodmanCommand) (*libpod.Runtime, error) {
return getRuntime(ctx, c, true, false)
}
// GetRuntime generates a new libpod runtime configured by command line options
func GetRuntime(ctx context.Context, c *cliconfig.PodmanCommand) (*libpod.Runtime, error) {
return getRuntime(ctx, c, false, false)
}
func getRuntime(ctx context.Context, c *cliconfig.PodmanCommand, renumber bool, migrate bool) (*libpod.Runtime, error) {
options := []libpod.RuntimeOption{}
storageOpts := storage.StoreOptions{}
storageSet := false
uidmapFlag := c.Flags().Lookup("uidmap")
gidmapFlag := c.Flags().Lookup("gidmap")
subuidname := c.Flags().Lookup("subuidname")
subgidname := c.Flags().Lookup("subgidname")
if (uidmapFlag != nil && gidmapFlag != nil && subuidname != nil && subgidname != nil) &&
(uidmapFlag.Changed || gidmapFlag.Changed || subuidname.Changed || subgidname.Changed) {
uidmapVal, _ := c.Flags().GetStringSlice("uidmap")
gidmapVal, _ := c.Flags().GetStringSlice("gidmap")
subuidVal, _ := c.Flags().GetString("subuidname")
subgidVal, _ := c.Flags().GetString("subgidname")
mappings, err := util.ParseIDMapping(uidmapVal, gidmapVal, subuidVal, subgidVal)
if err != nil {
return nil, err
}
storageOpts.UIDMap = mappings.UIDMap
storageOpts.GIDMap = mappings.GIDMap
storageSet = true
}
if c.Flags().Changed("root") {
storageSet = true
storageOpts.GraphRoot = c.GlobalFlags.Root
}
if c.Flags().Changed("runroot") {
storageSet = true
storageOpts.RunRoot = c.GlobalFlags.Runroot
}
if len(storageOpts.RunRoot) > 50 {
return nil, errors.New("the specified runroot is longer than 50 characters")
}
if c.Flags().Changed("storage-driver") {
storageSet = true
storageOpts.GraphDriverName = c.GlobalFlags.StorageDriver
}
if len(c.GlobalFlags.StorageOpts) > 0 {
storageSet = true
storageOpts.GraphDriverOptions = c.GlobalFlags.StorageOpts
}
if migrate {
options = append(options, libpod.WithMigrate())
}
if renumber {
options = append(options, libpod.WithRenumber())
}
options = append(options, libpod.WithContext(ctx))
// Only set this if the user changes storage config on the command line
if storageSet {
options = append(options, libpod.WithStorageConfig(storageOpts))
}
// TODO CLI flags for image config?
// TODO CLI flag for signature policy?
if len(c.GlobalFlags.Namespace) > 0 {
options = append(options, libpod.WithNamespace(c.GlobalFlags.Namespace))
}
if c.Flags().Changed("runtime") {
options = append(options, libpod.WithOCIRuntime(c.GlobalFlags.Runtime))
}
if c.Flags().Changed("conmon") {
options = append(options, libpod.WithConmonPath(c.GlobalFlags.ConmonPath))
}
if c.Flags().Changed("tmpdir") {
options = append(options, libpod.WithTmpDir(c.GlobalFlags.TmpDir))
}
if c.Flags().Changed("network-cmd-path") {
options = append(options, libpod.WithNetworkCmdPath(c.GlobalFlags.NetworkCmdPath))
}
if c.Flags().Changed("cgroup-manager") {
options = append(options, libpod.WithCgroupManager(c.GlobalFlags.CGroupManager))
} else {
if rootless.IsRootless() {
options = append(options, libpod.WithCgroupManager("cgroupfs"))
}
}
// TODO flag to set libpod static dir?
// TODO flag to set libpod tmp dir?
if c.Flags().Changed("cni-config-dir") {
options = append(options, libpod.WithCNIConfigDir(c.GlobalFlags.CniConfigDir))
}
if c.Flags().Changed("default-mounts-file") {
options = append(options, libpod.WithDefaultMountsFile(c.GlobalFlags.DefaultMountsFile))
}
if c.Flags().Changed("hooks-dir") {
options = append(options, libpod.WithHooksDir(c.GlobalFlags.HooksDir...))
}
// TODO flag to set CNI plugins dir?
// TODO I dont think these belong here?
// Will follow up with a different PR to address
//
// Pod create options
infraImageFlag := c.Flags().Lookup("infra-image")
if infraImageFlag != nil && infraImageFlag.Changed {
infraImage, _ := c.Flags().GetString("infra-image")
options = append(options, libpod.WithDefaultInfraImage(infraImage))
}
infraCommandFlag := c.Flags().Lookup("infra-command")
if infraCommandFlag != nil && infraImageFlag.Changed {
infraCommand, _ := c.Flags().GetString("infra-command")
options = append(options, libpod.WithDefaultInfraCommand(infraCommand))
}
if c.Flags().Changed("config") {
return libpod.NewRuntimeFromConfig(c.GlobalFlags.Config, options...)
}
return libpod.NewRuntime(options...)
}
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