mirror of https://github.com/docker/cli.git
72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
package swarm
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import (
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"context"
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"fmt"
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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/docker/api/types/swarm"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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func newUpdateCommand(dockerCli command.Cli) *cobra.Command {
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opts := swarmOptions{}
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cmd := &cobra.Command{
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Use: "update [OPTIONS]",
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Short: "Update the swarm",
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Args: cli.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runUpdate(dockerCli, cmd.Flags(), opts)
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},
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PreRunE: func(cmd *cobra.Command, args []string) error {
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if cmd.Flags().NFlag() == 0 {
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return pflag.ErrHelp
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}
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return nil
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},
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}
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cmd.Flags().BoolVar(&opts.autolock, flagAutolock, false, "Change manager autolocking setting (true|false)")
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addSwarmFlags(cmd.Flags(), &opts)
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return cmd
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}
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func runUpdate(dockerCli command.Cli, flags *pflag.FlagSet, opts swarmOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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var updateFlags swarm.UpdateFlags
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swarmInspect, err := client.SwarmInspect(ctx)
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if err != nil {
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return err
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}
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prevAutoLock := swarmInspect.Spec.EncryptionConfig.AutoLockManagers
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opts.mergeSwarmSpec(&swarmInspect.Spec, flags, swarmInspect.ClusterInfo.TLSInfo.TrustRoot)
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curAutoLock := swarmInspect.Spec.EncryptionConfig.AutoLockManagers
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err = client.SwarmUpdate(ctx, swarmInspect.Version, swarmInspect.Spec, updateFlags)
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if err != nil {
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return err
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}
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fmt.Fprintln(dockerCli.Out(), "Swarm updated.")
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if curAutoLock && !prevAutoLock {
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unlockKeyResp, err := client.SwarmGetUnlockKey(ctx)
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if err != nil {
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return errors.Wrap(err, "could not fetch unlock key")
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}
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printUnlockCommand(dockerCli.Out(), unlockKeyResp.UnlockKey)
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}
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return nil
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}
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