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DockerCLI
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Create a new ServerType struct for storing details about the server on the client. 

Signed-off-by: Daniel Nephin <dnephin@docker.com>
This commit is contained in:
Daniel Nephin 2017-03-14 17:53:29 -04:00
parent 998950a9f4
commit 749d8b2bdc
1 changed files with 21 additions and 7 deletions
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28
docker.go
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@ -14,6 +14,7 @@ import (
cliconfig "github.com/docker/docker/cli/config"
"github.com/docker/docker/cli/debug"
cliflags "github.com/docker/docker/cli/flags"
"github.com/docker/docker/client"
"github.com/docker/docker/dockerversion"
"github.com/docker/docker/pkg/term"
"github.com/spf13/cobra"
@ -49,7 +50,7 @@ func newDockerCommand(dockerCli *command.DockerCli) *cobra.Command {
if err := dockerCli.Initialize(opts); err != nil {
return err
}
return isSupported(cmd, dockerCli.Client().ClientVersion(), dockerCli.OSType(), dockerCli.HasExperimental())
return isSupported(cmd, dockerCli)
},
}
cli.SetupRootCommand(cmd)
@ -80,7 +81,7 @@ func setFlagErrorFunc(dockerCli *command.DockerCli, cmd *cobra.Command, flags *p
flagErrorFunc := cmd.FlagErrorFunc()
cmd.SetFlagErrorFunc(func(cmd *cobra.Command, err error) error {
initializeDockerCli(dockerCli, flags, opts)
if err := isSupported(cmd, dockerCli.Client().ClientVersion(), dockerCli.OSType(), dockerCli.HasExperimental()); err != nil {
if err := isSupported(cmd, dockerCli); err != nil {
return err
}
return flagErrorFunc(cmd, err)
@ -90,12 +91,12 @@ func setFlagErrorFunc(dockerCli *command.DockerCli, cmd *cobra.Command, flags *p
func setHelpFunc(dockerCli *command.DockerCli, cmd *cobra.Command, flags *pflag.FlagSet, opts *cliflags.ClientOptions) {
cmd.SetHelpFunc(func(ccmd *cobra.Command, args []string) {
initializeDockerCli(dockerCli, flags, opts)
if err := isSupported(ccmd, dockerCli.Client().ClientVersion(), dockerCli.OSType(), dockerCli.HasExperimental()); err != nil {
if err := isSupported(ccmd, dockerCli); err != nil {
ccmd.Println(err)
return
}
hideUnsupportedFeatures(ccmd, dockerCli.Client().ClientVersion(), dockerCli.OSType(), dockerCli.HasExperimental())
hideUnsupportedFeatures(ccmd, dockerCli)
if err := ccmd.Help(); err != nil {
ccmd.Println(err)
@ -122,7 +123,7 @@ func setValidateArgs(dockerCli *command.DockerCli, cmd *cobra.Command, flags *pf
cmdArgs := ccmd.Args
ccmd.Args = func(cmd *cobra.Command, args []string) error {
initializeDockerCli(dockerCli, flags, opts)
if err := isSupported(cmd, dockerCli.Client().ClientVersion(), dockerCli.OSType(), dockerCli.HasExperimental()); err != nil {
if err := isSupported(cmd, dockerCli); err != nil {
return err
}
return cmdArgs(cmd, args)
@ -198,7 +199,16 @@ func dockerPreRun(opts *cliflags.ClientOptions) {
}
}
func hideUnsupportedFeatures(cmd *cobra.Command, clientVersion, osType string, hasExperimental bool) {
type versionDetails interface {
Client() client.APIClient
ServerInfo() command.ServerInfo
}
func hideUnsupportedFeatures(cmd *cobra.Command, details versionDetails) {
clientVersion := details.Client().ClientVersion()
osType := details.ServerInfo().OSType
hasExperimental := details.ServerInfo().HasExperimental
cmd.Flags().VisitAll(func(f *pflag.Flag) {
// hide experimental flags
if !hasExperimental {
@ -228,7 +238,11 @@ func hideUnsupportedFeatures(cmd *cobra.Command, clientVersion, osType string, h
}
}
func isSupported(cmd *cobra.Command, clientVersion, osType string, hasExperimental bool) error {
func isSupported(cmd *cobra.Command, details versionDetails) error {
clientVersion := details.Client().ClientVersion()
osType := details.ServerInfo().OSType
hasExperimental := details.ServerInfo().HasExperimental
// Check recursively so that, e.g., `docker stack ls` returns the same output as `docker stack`
for curr := cmd; curr != nil; curr = curr.Parent() {
if cmdVersion, ok := curr.Tags["version"]; ok && versions.LessThan(clientVersion, cmdVersion) {