79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
package network
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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"github.com/containers/podman/v4/cmd/podman/common"
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"github.com/containers/podman/v4/cmd/podman/parse"
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"github.com/containers/podman/v4/cmd/podman/registry"
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"github.com/containers/podman/v4/cmd/podman/utils"
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"github.com/containers/podman/v4/cmd/podman/validate"
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"github.com/containers/podman/v4/pkg/domain/entities"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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var (
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networkPruneDescription = `Prune unused networks`
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networkPruneCommand = &cobra.Command{
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Use: "prune [options]",
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Short: "network prune",
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Long: networkPruneDescription,
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RunE: networkPrune,
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Example: `podman network prune`,
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Args: validate.NoArgs,
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ValidArgsFunction: common.AutocompleteNetworks,
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}
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)
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var (
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networkPruneOptions entities.NetworkPruneOptions
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force bool
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filter = []string{}
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)
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func networkPruneFlags(cmd *cobra.Command, flags *pflag.FlagSet) {
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flags.BoolVarP(&force, "force", "f", false, "do not prompt for confirmation")
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filterFlagName := "filter"
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flags.StringArrayVar(&filter, filterFlagName, []string{}, "Provide filter values (e.g. 'label=<key>=<value>')")
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_ = cmd.RegisterFlagCompletionFunc(filterFlagName, common.AutocompletePruneFilters)
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}
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Command: networkPruneCommand,
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Parent: networkCmd,
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})
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flags := networkPruneCommand.Flags()
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networkPruneFlags(networkPruneCommand, flags)
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}
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func networkPrune(cmd *cobra.Command, _ []string) error {
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var err error
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if !force {
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reader := bufio.NewReader(os.Stdin)
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fmt.Println("WARNING! This will remove all networks not used by at least one container.")
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fmt.Print("Are you sure you want to continue? [y/N] ")
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answer, err := reader.ReadString('\n')
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if err != nil {
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return err
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}
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if strings.ToLower(answer)[0] != 'y' {
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return nil
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}
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}
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networkPruneOptions.Filters, err = parse.FilterArgumentsIntoFilters(filter)
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if err != nil {
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return err
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}
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responses, err := registry.ContainerEngine().NetworkPrune(registry.Context(), networkPruneOptions)
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if err != nil {
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setExitCode(err)
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return err
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}
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return utils.PrintNetworkPruneResults(responses, false)
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}
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