68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package network
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import (
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"context"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/completion"
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"github.com/docker/docker/api/types"
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"github.com/spf13/cobra"
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)
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type disconnectOptions struct {
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network string
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container string
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force bool
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}
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func newDisconnectCommand(dockerCli command.Cli) *cobra.Command {
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opts := disconnectOptions{}
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cmd := &cobra.Command{
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Use: "disconnect [OPTIONS] NETWORK CONTAINER",
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Short: "Disconnect a container from a network",
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Args: cli.ExactArgs(2),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.network = args[0]
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opts.container = args[1]
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return runDisconnect(cmd.Context(), dockerCli, opts)
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},
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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if len(args) == 0 {
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return completion.NetworkNames(dockerCli)(cmd, args, toComplete)
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}
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network := args[0]
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return completion.ContainerNames(dockerCli, true, isConnected(network))(cmd, args, toComplete)
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},
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}
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flags := cmd.Flags()
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flags.BoolVarP(&opts.force, "force", "f", false, "Force the container to disconnect from a network")
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return cmd
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}
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func runDisconnect(ctx context.Context, dockerCli command.Cli, opts disconnectOptions) error {
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client := dockerCli.Client()
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return client.NetworkDisconnect(ctx, opts.network, opts.container, opts.force)
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}
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func isConnected(network string) func(types.Container) bool {
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return func(ctr types.Container) bool {
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if ctr.NetworkSettings == nil {
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return false
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}
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_, ok := ctr.NetworkSettings.Networks[network]
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return ok
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}
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}
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func not(fn func(types.Container) bool) func(types.Container) bool {
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return func(ctr types.Container) bool {
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ok := fn(ctr)
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return !ok
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}
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}
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