124 lines
3.9 KiB
Go
124 lines
3.9 KiB
Go
package main
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import (
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"fmt"
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"os"
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_ "github.com/containers/podman/v4/cmd/podman/completion"
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_ "github.com/containers/podman/v4/cmd/podman/containers"
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_ "github.com/containers/podman/v4/cmd/podman/generate"
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_ "github.com/containers/podman/v4/cmd/podman/healthcheck"
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_ "github.com/containers/podman/v4/cmd/podman/images"
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_ "github.com/containers/podman/v4/cmd/podman/kube"
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_ "github.com/containers/podman/v4/cmd/podman/machine"
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_ "github.com/containers/podman/v4/cmd/podman/manifest"
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_ "github.com/containers/podman/v4/cmd/podman/networks"
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_ "github.com/containers/podman/v4/cmd/podman/pods"
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"github.com/containers/podman/v4/cmd/podman/registry"
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_ "github.com/containers/podman/v4/cmd/podman/secrets"
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_ "github.com/containers/podman/v4/cmd/podman/system"
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_ "github.com/containers/podman/v4/cmd/podman/system/connection"
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"github.com/containers/podman/v4/cmd/podman/validate"
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_ "github.com/containers/podman/v4/cmd/podman/volumes"
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"github.com/containers/podman/v4/pkg/domain/entities"
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"github.com/containers/podman/v4/pkg/rootless"
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"github.com/containers/podman/v4/pkg/terminal"
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"github.com/containers/storage/pkg/reexec"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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func main() {
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if reexec.Init() {
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// We were invoked with a different argv[0] indicating that we
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// had a specific job to do as a subprocess, and it's done.
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return
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}
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rootCmd = parseCommands()
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Execute()
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os.Exit(0)
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}
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func parseCommands() *cobra.Command {
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cfg := registry.PodmanConfig()
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for _, c := range registry.Commands {
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if supported, found := c.Command.Annotations[registry.EngineMode]; found {
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if cfg.EngineMode.String() != supported {
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var client string
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switch cfg.EngineMode {
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case entities.TunnelMode:
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client = "remote"
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case entities.ABIMode:
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client = "local"
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}
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// add error message to the command so the user knows that this command is not supported with local/remote
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c.Command.RunE = func(cmd *cobra.Command, args []string) error {
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return fmt.Errorf("cannot use command %q with the %s podman client", cmd.CommandPath(), client)
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}
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// turn of flag parsing to make we do not get flag errors
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c.Command.DisableFlagParsing = true
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// mark command as hidden so it is not shown in --help
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c.Command.Hidden = true
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// overwrite persistent pre/post function to skip setup
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c.Command.PersistentPostRunE = validate.NoOp
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c.Command.PersistentPreRunE = validate.NoOp
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addCommand(c)
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continue
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}
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}
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// Command cannot be run rootless
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_, found := c.Command.Annotations[registry.UnshareNSRequired]
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if found {
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if rootless.IsRootless() && os.Getuid() != 0 && c.Command.Name() != "scp" {
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c.Command.RunE = func(cmd *cobra.Command, args []string) error {
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return fmt.Errorf("cannot run command %q in rootless mode, must execute `podman unshare` first", cmd.CommandPath())
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}
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}
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} else {
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_, found = c.Command.Annotations[registry.ParentNSRequired]
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if rootless.IsRootless() && found && c.Command.Name() != "scp" {
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c.Command.RunE = func(cmd *cobra.Command, args []string) error {
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return fmt.Errorf("cannot run command %q in rootless mode", cmd.CommandPath())
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}
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}
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}
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addCommand(c)
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}
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if err := terminal.SetConsole(); err != nil {
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logrus.Error(err)
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os.Exit(1)
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}
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rootCmd.SetFlagErrorFunc(flagErrorFuncfunc)
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return rootCmd
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}
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func flagErrorFuncfunc(c *cobra.Command, e error) error {
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e = fmt.Errorf("%w\nSee '%s --help'", e, c.CommandPath())
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return e
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}
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func addCommand(c registry.CliCommand) {
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parent := rootCmd
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if c.Parent != nil {
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parent = c.Parent
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}
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parent.AddCommand(c.Command)
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c.Command.SetFlagErrorFunc(flagErrorFuncfunc)
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// - templates need to be set here, as PersistentPreRunE() is
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// not called when --help is used.
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// - rootCmd uses cobra default template not ours
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c.Command.SetHelpTemplate(helpTemplate)
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c.Command.SetUsageTemplate(usageTemplate)
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c.Command.DisableFlagsInUseLine = true
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}
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