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docker info: include Client Version and "platform name"

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This patch adds additional information to the Client section of the output.
We were already outputting versions of CLI Plugins, and the Server, but not
for the Client.

Adding this information can help with bug-reports where the reporter only
provided the `docker info` output, or (e.g.) only `docker --version`. The
platform name helps identify what kind of builds the user has installed
(e.g. docker's docker-ce packages have "Docker Engine - Community" set
for this), although we should consider including "packager" information
as a more formalized field for this information.

Before this patch:

    $ docker info
    Client:
     Context:    default
     Debug Mode: false
     Plugins:
      buildx: Docker Buildx (Docker Inc.)
        Version:  v0.10.4
        Path:     /usr/libexec/docker/cli-plugins/docker-buildx
    ...

With this patch applied:

    $ docker info
    Client: Docker Engine - Community
     Version:    24.0.0-dev
     Context:    default
     Debug Mode: false
     Plugins:
      buildx: Docker Buildx (Docker Inc.)
        Version:  v0.10.4
        Path:     /usr/libexec/docker/cli-plugins/docker-buildx
    ...

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2023-04-10 15:25:31 +02:00
parent 3347d7b5aa
commit 8ee771114c
8 changed files with 58 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
cli/command/system/info.go
View File

@ -28,8 +28,8 @@ type infoOptions struct {
}
type clientInfo struct {
Debug bool
Context string
Debug bool
clientVersion
Plugins []pluginmanager.Plugin
Warnings []string
}
@ -46,6 +46,13 @@ type info struct {
ClientErrors []string `json:",omitempty"`
}
func (i *info) clientPlatform() string {
if i.ClientInfo != nil && i.ClientInfo.Platform != nil {
return i.ClientInfo.Platform.Name
}
return ""
}
// NewInfoCommand creates a new cobra.Command for `docker info`
func NewInfoCommand(dockerCli command.Cli) *cobra.Command {
var opts infoOptions
@ -71,8 +78,11 @@ func NewInfoCommand(dockerCli command.Cli) *cobra.Command {
func runInfo(cmd *cobra.Command, dockerCli command.Cli, opts *infoOptions) error {
info := info{
ClientInfo: &clientInfo{
Context: dockerCli.CurrentContext(),
Debug: debug.IsEnabled(),
// Don't pass a dockerCLI to newClientVersion(), because we currently
// don't include negotiated API version, and want to avoid making an
// API connection when only printing the Client section.
clientVersion: newClientVersion(dockerCli.CurrentContext(), nil),
Debug: debug.IsEnabled(),
},
Info: &types.Info{},
}
@ -147,7 +157,12 @@ func needsServerInfo(template string, info info) bool {
}
func prettyPrintInfo(dockerCli command.Cli, info info) error {
fmt.Fprintln(dockerCli.Out(), "Client:")
// Only append the platform info if it's not empty, to prevent printing a trailing space.
if p := info.clientPlatform(); p != "" {
_, _ = fmt.Fprintln(dockerCli.Out(), "Client:", p)
} else {
_, _ = fmt.Fprintln(dockerCli.Out(), "Client:")
}
if info.ClientInfo != nil {
prettyPrintClientInfo(dockerCli, *info.ClientInfo)
}
@ -173,6 +188,7 @@ func prettyPrintInfo(dockerCli command.Cli, info info) error {
}
func prettyPrintClientInfo(dockerCli command.Cli, info clientInfo) {
fprintlnNonEmpty(dockerCli.Out(), " Version: ", info.Version)
fmt.Fprintln(dockerCli.Out(), " Context: ", info.Context)
fmt.Fprintln(dockerCli.Out(), " Debug Mode:", info.Debug)

38
cli/command/system/info_test.go
View File

@ -278,8 +278,12 @@ func TestPrettyPrintInfo(t *testing.T) {
dockerInfo: info{
Info: &sampleInfoNoSwarm,
ClientInfo: &clientInfo{
Context: "default",
Debug: true,
clientVersion: clientVersion{
Platform: &platformInfo{Name: "Docker Engine - Community"},
Version: "24.0.0",
Context: "default",
},
Debug: true,
},
},
prettyGolden: "docker-info-no-swarm",
@ -290,8 +294,8 @@ func TestPrettyPrintInfo(t *testing.T) {
dockerInfo: info{
Info: &sampleInfoNoSwarm,
ClientInfo: &clientInfo{
Context: "default",
Plugins: samplePluginsInfo,
clientVersion: clientVersion{Context: "default"},
Plugins: samplePluginsInfo,
},
},
prettyGolden: "docker-info-plugins",
@ -302,7 +306,7 @@ func TestPrettyPrintInfo(t *testing.T) {
doc: "info with nil labels",
dockerInfo: info{
Info: &sampleInfoLabelsNil,
ClientInfo: &clientInfo{Context: "default"},
ClientInfo: &clientInfo{clientVersion: clientVersion{Context: "default"}},
},
prettyGolden: "docker-info-with-labels-nil",
},
@ -310,7 +314,7 @@ func TestPrettyPrintInfo(t *testing.T) {
doc: "info with empty labels",
dockerInfo: info{
Info: &sampleInfoLabelsEmpty,
ClientInfo: &clientInfo{Context: "default"},
ClientInfo: &clientInfo{clientVersion: clientVersion{Context: "default"}},
},
prettyGolden: "docker-info-with-labels-empty",
},
@ -319,8 +323,8 @@ func TestPrettyPrintInfo(t *testing.T) {
dockerInfo: info{
Info: &infoWithSwarm,
ClientInfo: &clientInfo{
Context: "default",
Debug: false,
clientVersion: clientVersion{Context: "default"},
Debug: false,
},
},
prettyGolden: "docker-info-with-swarm",
@ -331,8 +335,12 @@ func TestPrettyPrintInfo(t *testing.T) {
dockerInfo: info{
Info: &infoWithWarningsLinux,
ClientInfo: &clientInfo{
Context: "default",
Debug: true,
clientVersion: clientVersion{
Platform: &platformInfo{Name: "Docker Engine - Community"},
Version: "24.0.0",
Context: "default",
},
Debug: true,
},
},
prettyGolden: "docker-info-no-swarm",
@ -344,8 +352,12 @@ func TestPrettyPrintInfo(t *testing.T) {
dockerInfo: info{
Info: &sampleInfoDaemonWarnings,
ClientInfo: &clientInfo{
Context: "default",
Debug: true,
clientVersion: clientVersion{
Platform: &platformInfo{Name: "Docker Engine - Community"},
Version: "24.0.0",
Context: "default",
},
Debug: true,
},
},
prettyGolden: "docker-info-no-swarm",
@ -376,6 +388,7 @@ func TestPrettyPrintInfo(t *testing.T) {
expectedError: "errors pretty printing info",
},
} {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{})
err := prettyPrintInfo(cli, tc.dockerInfo)
@ -429,6 +442,7 @@ func TestFormatInfo(t *testing.T) {
expectedError: `template: :1:2: executing "" at <.badString>: can't evaluate field badString in type system.info`,
},
} {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{})
info := info{

2
cli/command/system/testdata/docker-info-daemon-warnings.json.golden vendored
View File

@ -1 +1 @@
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2
cli/command/system/testdata/docker-info-legacy-warnings.json.golden vendored
View File

@ -1 +1 @@
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3
cli/command/system/testdata/docker-info-no-swarm.golden vendored
View File

@ -1,4 +1,5 @@
Client:
Client: Docker Engine - Community
Version: 24.0.0
Context: default
Debug Mode: true

2
cli/command/system/testdata/docker-info-no-swarm.json.golden vendored
View File

@ -1 +1 @@
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