Merge pull request #4180 from thaJeztah/docker_info_version

docker info: include Client Version and "platform name"

cli/command/system/info.go

@@ -28,8 +28,8 @@ type infoOptions struct {
 }
 
 type clientInfo struct {
-	Debug    bool
+	Debug bool
-	Context  string
+	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(),
+			// Don't pass a dockerCLI to newClientVersion(), because we currently
-			Debug:   debug.IsEnabled(),
+			// 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)
 

cli/command/system/info_test.go

@@ -278,8 +278,12 @@ func TestPrettyPrintInfo(t *testing.T) {
 			dockerInfo: info{
 				Info: &sampleInfoNoSwarm,
 				ClientInfo: &clientInfo{
-					Context: "default",
+					clientVersion: clientVersion{
-					Debug:   true,
+						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",
+					clientVersion: clientVersion{Context: "default"},
-					Plugins: samplePluginsInfo,
+					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",
+					clientVersion: clientVersion{Context: "default"},
-					Debug:   false,
+					Debug:         false,
 				},
 			},
 			prettyGolden: "docker-info-with-swarm",
@@ -331,8 +335,12 @@ func TestPrettyPrintInfo(t *testing.T) {
 			dockerInfo: info{
 				Info: &infoWithWarningsLinux,
 				ClientInfo: &clientInfo{
-					Context: "default",
+					clientVersion: clientVersion{
-					Debug:   true,
+						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",
+					clientVersion: clientVersion{
-					Debug:   true,
+						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{

cli/command/system/testdata/docker-client-version.json.golden

@@ -1 +1 @@
-{"Client":{"Platform":{"Name":""},"Version":"18.99.5-ce","ApiVersion":"1.38","DefaultAPIVersion":"1.38","GitCommit":"deadbeef","GoVersion":"go1.10.2","Os":"linux","Arch":"amd64","BuildTime":"Wed May 30 22:21:05 2018","Context":"my-context"},"Server":{"Platform":{"Name":"Docker Enterprise Edition (EE) 2.0"},"Components":[{"Name":"Engine","Version":"17.06.2-ee-15","Details":{"ApiVersion":"1.30","Arch":"amd64","BuildTime":"Mon Jul  9 23:38:38 2018","Experimental":"false","GitCommit":"64ddfa6","GoVersion":"go1.8.7","MinAPIVersion":"1.12","Os":"linux"}},{"Name":"Universal Control Plane","Version":"17.06.2-ee-15","Details":{"ApiVersion":"1.30","Arch":"amd64","BuildTime":"Mon Jul  2 21:24:07 UTC 2018","GitCommit":"4513922","GoVersion":"go1.9.4","MinApiVersion":"1.20","Os":"linux","Version":"3.0.3-tp2"}},{"Name":"Kubernetes","Version":"1.8+","Details":{"buildDate":"2018-04-26T16:51:21Z","compiler":"gc","gitCommit":"8d637aedf46b9c21dde723e29c645b9f27106fa5","gitTreeState":"clean","gitVersion":"v1.8.11-docker-8d637ae","goVersion":"go1.8.3","major":"1","minor":"8+","platform":"linux/amd64"}},{"Name":"Calico","Version":"v3.0.8","Details":{"cni":"v2.0.6","kube-controllers":"v2.0.5","node":"v3.0.8"}}],"Version":"","ApiVersion":"","GitCommit":"","GoVersion":"","Os":"","Arch":""}}
+{"Client":{"Version":"18.99.5-ce","ApiVersion":"1.38","DefaultAPIVersion":"1.38","GitCommit":"deadbeef","GoVersion":"go1.10.2","Os":"linux","Arch":"amd64","BuildTime":"Wed May 30 22:21:05 2018","Context":"my-context"},"Server":{"Platform":{"Name":"Docker Enterprise Edition (EE) 2.0"},"Components":[{"Name":"Engine","Version":"17.06.2-ee-15","Details":{"ApiVersion":"1.30","Arch":"amd64","BuildTime":"Mon Jul  9 23:38:38 2018","Experimental":"false","GitCommit":"64ddfa6","GoVersion":"go1.8.7","MinAPIVersion":"1.12","Os":"linux"}},{"Name":"Universal Control Plane","Version":"17.06.2-ee-15","Details":{"ApiVersion":"1.30","Arch":"amd64","BuildTime":"Mon Jul  2 21:24:07 UTC 2018","GitCommit":"4513922","GoVersion":"go1.9.4","MinApiVersion":"1.20","Os":"linux","Version":"3.0.3-tp2"}},{"Name":"Kubernetes","Version":"1.8+","Details":{"buildDate":"2018-04-26T16:51:21Z","compiler":"gc","gitCommit":"8d637aedf46b9c21dde723e29c645b9f27106fa5","gitTreeState":"clean","gitVersion":"v1.8.11-docker-8d637ae","goVersion":"go1.8.3","major":"1","minor":"8+","platform":"linux/amd64"}},{"Name":"Calico","Version":"v3.0.8","Details":{"cni":"v2.0.6","kube-controllers":"v2.0.5","node":"v3.0.8"}}],"Version":"","ApiVersion":"","GitCommit":"","GoVersion":"","Os":"","Arch":""}}

cli/command/system/testdata/docker-info-daemon-warnings.json.golden

@@ -1 +1 @@
-{"ID":"EKHL:QDUU:QZ7U:MKGD:VDXK:S27Q:GIPU:24B7:R7VT:DGN6:QCSF:2UBX","Containers":0,"ContainersRunning":0,"ContainersPaused":0,"ContainersStopped":0,"Images":0,"Driver":"aufs","DriverStatus":[["Root Dir","/var/lib/docker/aufs"],["Backing Filesystem","extfs"],["Dirs","0"],["Dirperm1 Supported","true"]],"Plugins":{"Volume":["local"],"Network":["bridge","host","macvlan","null","overlay"],"Authorization":null,"Log":["awslogs","fluentd","gcplogs","gelf","journald","json-file","logentries","splunk","syslog"]},"MemoryLimit":true,"SwapLimit":true,"KernelMemory":true,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"PidsLimit":false,"IPv4Forwarding":true,"BridgeNfIptables":true,"BridgeNfIp6tables":true,"Debug":true,"NFd":33,"OomKillDisable":true,"NGoroutines":135,"SystemTime":"2017-08-24T17:44:34.077811894Z","LoggingDriver":"json-file","CgroupDriver":"cgroupfs","NEventsListener":0,"KernelVersion":"4.4.0-87-generic","OperatingSystem":"Ubuntu 16.04.3 LTS","OSVersion":"","OSType":"linux","Architecture":"x86_64","IndexServerAddress":"https://index.docker.io/v1/","RegistryConfig":{"AllowNondistributableArtifactsCIDRs":null,"AllowNondistributableArtifactsHostnames":null,"InsecureRegistryCIDRs":["127.0.0.0/8"],"IndexConfigs":{"docker.io":{"Name":"docker.io","Mirrors":null,"Secure":true,"Official":true}},"Mirrors":null},"NCPU":2,"MemTotal":2097356800,"GenericResources":null,"DockerRootDir":"/var/lib/docker","HttpProxy":"","HttpsProxy":"","NoProxy":"","Name":"system-sample","Labels":["provider=digitalocean"],"ExperimentalBuild":false,"ServerVersion":"17.06.1-ce","Runtimes":{"runc":{"path":"docker-runc"}},"DefaultRuntime":"runc","Swarm":{"NodeID":"","NodeAddr":"","LocalNodeState":"inactive","ControlAvailable":false,"Error":"","RemoteManagers":null},"LiveRestoreEnabled":false,"Isolation":"","InitBinary":"docker-init","ContainerdCommit":{"ID":"6e23458c129b551d5c9871e5174f6b1b7f6d1170","Expected":"6e23458c129b551d5c9871e5174f6b1b7f6d1170"},"RuncCommit":{"ID":"810190ceaa507aa2727d7ae6f4790c76ec150bd2","Expected":"810190ceaa507aa2727d7ae6f4790c76ec150bd2"},"InitCommit":{"ID":"949e6fa","Expected":"949e6fa"},"SecurityOptions":["name=apparmor","name=seccomp,profile=default"],"DefaultAddressPools":[{"Base":"10.123.0.0/16","Size":24}],"Warnings":["WARNING: No memory limit support","WARNING: No swap limit support","WARNING: No oom kill disable support","WARNING: No cpu cfs quota support","WARNING: No cpu cfs period support","WARNING: No cpu shares support","WARNING: No cpuset support","WARNING: IPv4 forwarding is disabled","WARNING: bridge-nf-call-iptables is disabled","WARNING: bridge-nf-call-ip6tables is disabled"],"ClientInfo":{"Debug":true,"Context":"default","Plugins":[],"Warnings":null}}
+{"ID":"EKHL:QDUU:QZ7U:MKGD:VDXK:S27Q:GIPU:24B7:R7VT:DGN6:QCSF:2UBX","Containers":0,"ContainersRunning":0,"ContainersPaused":0,"ContainersStopped":0,"Images":0,"Driver":"aufs","DriverStatus":[["Root Dir","/var/lib/docker/aufs"],["Backing Filesystem","extfs"],["Dirs","0"],["Dirperm1 Supported","true"]],"Plugins":{"Volume":["local"],"Network":["bridge","host","macvlan","null","overlay"],"Authorization":null,"Log":["awslogs","fluentd","gcplogs","gelf","journald","json-file","logentries","splunk","syslog"]},"MemoryLimit":true,"SwapLimit":true,"KernelMemory":true,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"PidsLimit":false,"IPv4Forwarding":true,"BridgeNfIptables":true,"BridgeNfIp6tables":true,"Debug":true,"NFd":33,"OomKillDisable":true,"NGoroutines":135,"SystemTime":"2017-08-24T17:44:34.077811894Z","LoggingDriver":"json-file","CgroupDriver":"cgroupfs","NEventsListener":0,"KernelVersion":"4.4.0-87-generic","OperatingSystem":"Ubuntu 16.04.3 LTS","OSVersion":"","OSType":"linux","Architecture":"x86_64","IndexServerAddress":"https://index.docker.io/v1/","RegistryConfig":{"AllowNondistributableArtifactsCIDRs":null,"AllowNondistributableArtifactsHostnames":null,"InsecureRegistryCIDRs":["127.0.0.0/8"],"IndexConfigs":{"docker.io":{"Name":"docker.io","Mirrors":null,"Secure":true,"Official":true}},"Mirrors":null},"NCPU":2,"MemTotal":2097356800,"GenericResources":null,"DockerRootDir":"/var/lib/docker","HttpProxy":"","HttpsProxy":"","NoProxy":"","Name":"system-sample","Labels":["provider=digitalocean"],"ExperimentalBuild":false,"ServerVersion":"17.06.1-ce","Runtimes":{"runc":{"path":"docker-runc"}},"DefaultRuntime":"runc","Swarm":{"NodeID":"","NodeAddr":"","LocalNodeState":"inactive","ControlAvailable":false,"Error":"","RemoteManagers":null},"LiveRestoreEnabled":false,"Isolation":"","InitBinary":"docker-init","ContainerdCommit":{"ID":"6e23458c129b551d5c9871e5174f6b1b7f6d1170","Expected":"6e23458c129b551d5c9871e5174f6b1b7f6d1170"},"RuncCommit":{"ID":"810190ceaa507aa2727d7ae6f4790c76ec150bd2","Expected":"810190ceaa507aa2727d7ae6f4790c76ec150bd2"},"InitCommit":{"ID":"949e6fa","Expected":"949e6fa"},"SecurityOptions":["name=apparmor","name=seccomp,profile=default"],"DefaultAddressPools":[{"Base":"10.123.0.0/16","Size":24}],"Warnings":["WARNING: No memory limit support","WARNING: No swap limit support","WARNING: No oom kill disable support","WARNING: No cpu cfs quota support","WARNING: No cpu cfs period support","WARNING: No cpu shares support","WARNING: No cpuset support","WARNING: IPv4 forwarding is disabled","WARNING: bridge-nf-call-iptables is disabled","WARNING: bridge-nf-call-ip6tables is disabled"],"ClientInfo":{"Debug":true,"Platform":{"Name":"Docker Engine - Community"},"Version":"24.0.0","Context":"default","Plugins":[],"Warnings":null}}

cli/command/system/testdata/docker-info-legacy-warnings.json.golden

@@ -1 +1 @@
-{"ID":"EKHL:QDUU:QZ7U:MKGD:VDXK:S27Q:GIPU:24B7:R7VT:DGN6:QCSF:2UBX","Containers":0,"ContainersRunning":0,"ContainersPaused":0,"ContainersStopped":0,"Images":0,"Driver":"aufs","DriverStatus":[["Root Dir","/var/lib/docker/aufs"],["Backing Filesystem","extfs"],["Dirs","0"],["Dirperm1 Supported","true"]],"Plugins":{"Volume":["local"],"Network":["bridge","host","macvlan","null","overlay"],"Authorization":null,"Log":["awslogs","fluentd","gcplogs","gelf","journald","json-file","logentries","splunk","syslog"]},"MemoryLimit":false,"SwapLimit":false,"CpuCfsPeriod":false,"CpuCfsQuota":false,"CPUShares":false,"CPUSet":false,"PidsLimit":false,"IPv4Forwarding":false,"BridgeNfIptables":false,"BridgeNfIp6tables":false,"Debug":true,"NFd":33,"OomKillDisable":false,"NGoroutines":135,"SystemTime":"2017-08-24T17:44:34.077811894Z","LoggingDriver":"json-file","CgroupDriver":"cgroupfs","NEventsListener":0,"KernelVersion":"4.4.0-87-generic","OperatingSystem":"Ubuntu 16.04.3 LTS","OSVersion":"","OSType":"linux","Architecture":"x86_64","IndexServerAddress":"https://index.docker.io/v1/","RegistryConfig":{"AllowNondistributableArtifactsCIDRs":null,"AllowNondistributableArtifactsHostnames":null,"InsecureRegistryCIDRs":["127.0.0.0/8"],"IndexConfigs":{"docker.io":{"Name":"docker.io","Mirrors":null,"Secure":true,"Official":true}},"Mirrors":null},"NCPU":2,"MemTotal":2097356800,"GenericResources":null,"DockerRootDir":"/var/lib/docker","HttpProxy":"","HttpsProxy":"","NoProxy":"","Name":"system-sample","Labels":["provider=digitalocean"],"ExperimentalBuild":false,"ServerVersion":"17.06.1-ce","Runtimes":{"runc":{"path":"docker-runc"}},"DefaultRuntime":"runc","Swarm":{"NodeID":"","NodeAddr":"","LocalNodeState":"inactive","ControlAvailable":false,"Error":"","RemoteManagers":null},"LiveRestoreEnabled":false,"Isolation":"","InitBinary":"docker-init","ContainerdCommit":{"ID":"6e23458c129b551d5c9871e5174f6b1b7f6d1170","Expected":"6e23458c129b551d5c9871e5174f6b1b7f6d1170"},"RuncCommit":{"ID":"810190ceaa507aa2727d7ae6f4790c76ec150bd2","Expected":"810190ceaa507aa2727d7ae6f4790c76ec150bd2"},"InitCommit":{"ID":"949e6fa","Expected":"949e6fa"},"SecurityOptions":["name=apparmor","name=seccomp,profile=default"],"DefaultAddressPools":[{"Base":"10.123.0.0/16","Size":24}],"Warnings":null,"ClientInfo":{"Debug":true,"Context":"default","Plugins":[],"Warnings":null}}
+{"ID":"EKHL:QDUU:QZ7U:MKGD:VDXK:S27Q:GIPU:24B7:R7VT:DGN6:QCSF:2UBX","Containers":0,"ContainersRunning":0,"ContainersPaused":0,"ContainersStopped":0,"Images":0,"Driver":"aufs","DriverStatus":[["Root Dir","/var/lib/docker/aufs"],["Backing Filesystem","extfs"],["Dirs","0"],["Dirperm1 Supported","true"]],"Plugins":{"Volume":["local"],"Network":["bridge","host","macvlan","null","overlay"],"Authorization":null,"Log":["awslogs","fluentd","gcplogs","gelf","journald","json-file","logentries","splunk","syslog"]},"MemoryLimit":false,"SwapLimit":false,"CpuCfsPeriod":false,"CpuCfsQuota":false,"CPUShares":false,"CPUSet":false,"PidsLimit":false,"IPv4Forwarding":false,"BridgeNfIptables":false,"BridgeNfIp6tables":false,"Debug":true,"NFd":33,"OomKillDisable":false,"NGoroutines":135,"SystemTime":"2017-08-24T17:44:34.077811894Z","LoggingDriver":"json-file","CgroupDriver":"cgroupfs","NEventsListener":0,"KernelVersion":"4.4.0-87-generic","OperatingSystem":"Ubuntu 16.04.3 LTS","OSVersion":"","OSType":"linux","Architecture":"x86_64","IndexServerAddress":"https://index.docker.io/v1/","RegistryConfig":{"AllowNondistributableArtifactsCIDRs":null,"AllowNondistributableArtifactsHostnames":null,"InsecureRegistryCIDRs":["127.0.0.0/8"],"IndexConfigs":{"docker.io":{"Name":"docker.io","Mirrors":null,"Secure":true,"Official":true}},"Mirrors":null},"NCPU":2,"MemTotal":2097356800,"GenericResources":null,"DockerRootDir":"/var/lib/docker","HttpProxy":"","HttpsProxy":"","NoProxy":"","Name":"system-sample","Labels":["provider=digitalocean"],"ExperimentalBuild":false,"ServerVersion":"17.06.1-ce","Runtimes":{"runc":{"path":"docker-runc"}},"DefaultRuntime":"runc","Swarm":{"NodeID":"","NodeAddr":"","LocalNodeState":"inactive","ControlAvailable":false,"Error":"","RemoteManagers":null},"LiveRestoreEnabled":false,"Isolation":"","InitBinary":"docker-init","ContainerdCommit":{"ID":"6e23458c129b551d5c9871e5174f6b1b7f6d1170","Expected":"6e23458c129b551d5c9871e5174f6b1b7f6d1170"},"RuncCommit":{"ID":"810190ceaa507aa2727d7ae6f4790c76ec150bd2","Expected":"810190ceaa507aa2727d7ae6f4790c76ec150bd2"},"InitCommit":{"ID":"949e6fa","Expected":"949e6fa"},"SecurityOptions":["name=apparmor","name=seccomp,profile=default"],"DefaultAddressPools":[{"Base":"10.123.0.0/16","Size":24}],"Warnings":null,"ClientInfo":{"Debug":true,"Platform":{"Name":"Docker Engine - Community"},"Version":"24.0.0","Context":"default","Plugins":[],"Warnings":null}}

cli/command/system/testdata/docker-info-no-swarm.golden

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

cli/command/system/testdata/docker-info-no-swarm.json.golden

@@ -1 +1 @@
-{"ID":"EKHL:QDUU:QZ7U:MKGD:VDXK:S27Q:GIPU:24B7:R7VT:DGN6:QCSF:2UBX","Containers":0,"ContainersRunning":0,"ContainersPaused":0,"ContainersStopped":0,"Images":0,"Driver":"aufs","DriverStatus":[["Root Dir","/var/lib/docker/aufs"],["Backing Filesystem","extfs"],["Dirs","0"],["Dirperm1 Supported","true"]],"Plugins":{"Volume":["local"],"Network":["bridge","host","macvlan","null","overlay"],"Authorization":null,"Log":["awslogs","fluentd","gcplogs","gelf","journald","json-file","logentries","splunk","syslog"]},"MemoryLimit":true,"SwapLimit":true,"KernelMemory":true,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"PidsLimit":false,"IPv4Forwarding":true,"BridgeNfIptables":true,"BridgeNfIp6tables":true,"Debug":true,"NFd":33,"OomKillDisable":true,"NGoroutines":135,"SystemTime":"2017-08-24T17:44:34.077811894Z","LoggingDriver":"json-file","CgroupDriver":"cgroupfs","NEventsListener":0,"KernelVersion":"4.4.0-87-generic","OperatingSystem":"Ubuntu 16.04.3 LTS","OSVersion":"","OSType":"linux","Architecture":"x86_64","IndexServerAddress":"https://index.docker.io/v1/","RegistryConfig":{"AllowNondistributableArtifactsCIDRs":null,"AllowNondistributableArtifactsHostnames":null,"InsecureRegistryCIDRs":["127.0.0.0/8"],"IndexConfigs":{"docker.io":{"Name":"docker.io","Mirrors":null,"Secure":true,"Official":true}},"Mirrors":null},"NCPU":2,"MemTotal":2097356800,"GenericResources":null,"DockerRootDir":"/var/lib/docker","HttpProxy":"","HttpsProxy":"","NoProxy":"","Name":"system-sample","Labels":["provider=digitalocean"],"ExperimentalBuild":false,"ServerVersion":"17.06.1-ce","Runtimes":{"runc":{"path":"docker-runc"}},"DefaultRuntime":"runc","Swarm":{"NodeID":"","NodeAddr":"","LocalNodeState":"inactive","ControlAvailable":false,"Error":"","RemoteManagers":null},"LiveRestoreEnabled":false,"Isolation":"","InitBinary":"docker-init","ContainerdCommit":{"ID":"6e23458c129b551d5c9871e5174f6b1b7f6d1170","Expected":"6e23458c129b551d5c9871e5174f6b1b7f6d1170"},"RuncCommit":{"ID":"810190ceaa507aa2727d7ae6f4790c76ec150bd2","Expected":"810190ceaa507aa2727d7ae6f4790c76ec150bd2"},"InitCommit":{"ID":"949e6fa","Expected":"949e6fa"},"SecurityOptions":["name=apparmor","name=seccomp,profile=default"],"DefaultAddressPools":[{"Base":"10.123.0.0/16","Size":24}],"Warnings":null,"ClientInfo":{"Debug":true,"Context":"default","Plugins":[],"Warnings":null}}
+{"ID":"EKHL:QDUU:QZ7U:MKGD:VDXK:S27Q:GIPU:24B7:R7VT:DGN6:QCSF:2UBX","Containers":0,"ContainersRunning":0,"ContainersPaused":0,"ContainersStopped":0,"Images":0,"Driver":"aufs","DriverStatus":[["Root Dir","/var/lib/docker/aufs"],["Backing Filesystem","extfs"],["Dirs","0"],["Dirperm1 Supported","true"]],"Plugins":{"Volume":["local"],"Network":["bridge","host","macvlan","null","overlay"],"Authorization":null,"Log":["awslogs","fluentd","gcplogs","gelf","journald","json-file","logentries","splunk","syslog"]},"MemoryLimit":true,"SwapLimit":true,"KernelMemory":true,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"PidsLimit":false,"IPv4Forwarding":true,"BridgeNfIptables":true,"BridgeNfIp6tables":true,"Debug":true,"NFd":33,"OomKillDisable":true,"NGoroutines":135,"SystemTime":"2017-08-24T17:44:34.077811894Z","LoggingDriver":"json-file","CgroupDriver":"cgroupfs","NEventsListener":0,"KernelVersion":"4.4.0-87-generic","OperatingSystem":"Ubuntu 16.04.3 LTS","OSVersion":"","OSType":"linux","Architecture":"x86_64","IndexServerAddress":"https://index.docker.io/v1/","RegistryConfig":{"AllowNondistributableArtifactsCIDRs":null,"AllowNondistributableArtifactsHostnames":null,"InsecureRegistryCIDRs":["127.0.0.0/8"],"IndexConfigs":{"docker.io":{"Name":"docker.io","Mirrors":null,"Secure":true,"Official":true}},"Mirrors":null},"NCPU":2,"MemTotal":2097356800,"GenericResources":null,"DockerRootDir":"/var/lib/docker","HttpProxy":"","HttpsProxy":"","NoProxy":"","Name":"system-sample","Labels":["provider=digitalocean"],"ExperimentalBuild":false,"ServerVersion":"17.06.1-ce","Runtimes":{"runc":{"path":"docker-runc"}},"DefaultRuntime":"runc","Swarm":{"NodeID":"","NodeAddr":"","LocalNodeState":"inactive","ControlAvailable":false,"Error":"","RemoteManagers":null},"LiveRestoreEnabled":false,"Isolation":"","InitBinary":"docker-init","ContainerdCommit":{"ID":"6e23458c129b551d5c9871e5174f6b1b7f6d1170","Expected":"6e23458c129b551d5c9871e5174f6b1b7f6d1170"},"RuncCommit":{"ID":"810190ceaa507aa2727d7ae6f4790c76ec150bd2","Expected":"810190ceaa507aa2727d7ae6f4790c76ec150bd2"},"InitCommit":{"ID":"949e6fa","Expected":"949e6fa"},"SecurityOptions":["name=apparmor","name=seccomp,profile=default"],"DefaultAddressPools":[{"Base":"10.123.0.0/16","Size":24}],"Warnings":null,"ClientInfo":{"Debug":true,"Platform":{"Name":"Docker Engine - Community"},"Version":"24.0.0","Context":"default","Plugins":[],"Warnings":null}}

cli/command/system/version.go

@@ -23,7 +23,7 @@ import (
 )
 
 const defaultVersionTemplate = `{{with .Client -}}
-Client:{{if ne .Platform.Name ""}} {{.Platform.Name}}{{end}}
+Client:{{if ne .Platform nil}}{{if ne .Platform.Name ""}} {{.Platform.Name}}{{end}}{{end}}
  Version:	{{.Version}}
  API version:	{{.APIVersion}}{{if ne .APIVersion .DefaultAPIVersion}} (downgraded from {{.DefaultAPIVersion}}){{end}}
  Go version:	{{.GoVersion}}
@@ -33,7 +33,7 @@ Client:{{if ne .Platform.Name ""}} {{.Platform.Name}}{{end}}
  Context:	{{.Context}}
 {{- end}}
 
-{{- if .ServerOK}}{{with .Server}}
+{{- if ne .Server nil}}{{with .Server}}
 
 Server:{{if ne .Platform.Name ""}} {{.Platform.Name}}{{end}}
  {{- range $component := .Components}}
@@ -66,24 +66,45 @@ type versionInfo struct {
 	Server *types.Version
 }
 
-type clientVersion struct {
+type platformInfo struct {
-	Platform struct{ Name string } `json:",omitempty"`
+	Name string `json:"Name,omitempty"`
-
-	Version           string
-	APIVersion        string `json:"ApiVersion"`
-	DefaultAPIVersion string `json:"DefaultAPIVersion,omitempty"`
-	GitCommit         string
-	GoVersion         string
-	Os                string
-	Arch              string
-	BuildTime         string `json:",omitempty"`
-	Context           string
 }
 
-// ServerOK returns true when the client could connect to the docker server
+type clientVersion struct {
-// and parse the information received. It returns false otherwise.
+	Platform          *platformInfo `json:"Platform,omitempty"`
-func (v versionInfo) ServerOK() bool {
+	Version           string        `json:"Version,omitempty"`
-	return v.Server != nil
+	APIVersion        string        `json:"ApiVersion,omitempty"`
+	DefaultAPIVersion string        `json:"DefaultAPIVersion,omitempty"`
+	GitCommit         string        `json:"GitCommit,omitempty"`
+	GoVersion         string        `json:"GoVersion,omitempty"`
+	Os                string        `json:"Os,omitempty"`
+	Arch              string        `json:"Arch,omitempty"`
+	BuildTime         string        `json:"BuildTime,omitempty"`
+	Context           string        `json:"Context"`
+}
+
+// newClientVersion constructs a new clientVersion. If a dockerCLI is
+// passed as argument, additional information is included (API version),
+// which may invoke an API connection. Pass nil to omit the additional
+// information.
+func newClientVersion(contextName string, dockerCli command.Cli) clientVersion {
+	v := clientVersion{
+		Version:   version.Version,
+		GoVersion: runtime.Version(),
+		GitCommit: version.GitCommit,
+		BuildTime: reformatDate(version.BuildTime),
+		Os:        runtime.GOOS,
+		Arch:      arch(),
+		Context:   contextName,
+	}
+	if version.PlatformName != "" {
+		v.Platform = &platformInfo{Name: version.PlatformName}
+	}
+	if dockerCli != nil {
+		v.APIVersion = dockerCli.CurrentVersion()
+		v.DefaultAPIVersion = dockerCli.DefaultVersion()
+	}
+	return v
 }
 
 // NewVersionCommand creates a new cobra.Command for `docker version`
@@ -133,20 +154,8 @@ func runVersion(dockerCli command.Cli, opts *versionOptions) error {
 	// TODO print error if kubernetes is used?
 
 	vd := versionInfo{
-		Client: clientVersion{
+		Client: newClientVersion(dockerCli.CurrentContext(), dockerCli),
-			Platform:          struct{ Name string }{version.PlatformName},
-			Version:           version.Version,
-			APIVersion:        dockerCli.CurrentVersion(),
-			DefaultAPIVersion: dockerCli.DefaultVersion(),
-			GoVersion:         runtime.Version(),
-			GitCommit:         version.GitCommit,
-			BuildTime:         reformatDate(version.BuildTime),
-			Os:                runtime.GOOS,
-			Arch:              arch(),
-			Context:           dockerCli.CurrentContext(),
-		},
 	}
-
 	sv, err := dockerCli.Client().ServerVersion(context.Background())
 	if err == nil {
 		vd.Server = &sv

docs/reference/commandline/info.md

@@ -47,7 +47,8 @@ information about the `overlay2` storage driver is shown:
 ```console
 $ docker info
 
-Client:
+Client: Docker Engine - Community
+ Version:    24.0.0
  Context:    default
  Debug Mode: false
  Plugins:
@@ -126,7 +127,8 @@ Here is a sample output for a daemon running on Windows Server:
 ```console
 C:\> docker info
 
-Client:
+Client: Docker Engine - Community
+ Version:    24.0.0
  Context:    default
  Debug Mode: false
  Plugins:

man/src/system/info.md

@@ -27,7 +27,8 @@ information about the `overlay2` storage driver is shown:
 ```console
 $ docker info
 
-Client:
+Client: Docker Engine - Community
+ Version:    24.0.0
  Context:    default
  Debug Mode: false
  Plugins: