Integrate CLI plugins into `docker info`

Fairly straight forward. It became necessary to wrap `Plugin.Err` with a type
which implements `encoding.MarshalText` in order to have that field rendered
properly in the `docker info -f '{{json}}'` output.

Since I changed the type somewhat I also added a unit test for `formatInfo`.

Signed-off-by: Ian Campbell <ijc@docker.com>

cli-plugins/manager/candidate_test.go

@@ -2,11 +2,13 @@ package manager
 
 import (
 	"fmt"
+	"reflect"
 	"strings"
 	"testing"
 
 	"github.com/spf13/cobra"
 	"gotest.tools/assert"
+	"gotest.tools/assert/cmp"
 )
 
 type fakeCandidate struct {
@@ -73,6 +75,7 @@ func TestValidateCandidate(t *testing.T) {
 			assert.ErrorContains(t, err, tc.err)
 		} else if tc.invalid != "" {
 			assert.NilError(t, err)
+			assert.Assert(t, cmp.ErrorType(p.Err, reflect.TypeOf(&pluginError{})))
 			assert.ErrorContains(t, p.Err, tc.invalid)
 		} else {
 			assert.NilError(t, err)

cli-plugins/manager/error.go

@@ -0,0 +1,43 @@
+package manager
+
+import (
+	"github.com/pkg/errors"
+)
+
+// pluginError is set as Plugin.Err by NewPlugin if the plugin
+// candidate fails one of the candidate tests. This exists primarily
+// to implement encoding.TextMarshaller such that rendering a plugin as JSON
+// (e.g. for `docker info -f '{{json .CLIPlugins}}'`) renders the Err
+// field as a useful string and not just `{}`. See
+// https://github.com/golang/go/issues/10748 for some discussion
+// around why the builtin error type doesn't implement this.
+type pluginError struct {
+	cause error
+}
+
+// Error satisfies the core error interface for pluginError.
+func (e *pluginError) Error() string {
+	return e.cause.Error()
+}
+
+// Cause satisfies the errors.causer interface for pluginError.
+func (e *pluginError) Cause() error {
+	return e.cause
+}
+
+// MarshalText marshalls the pluginError into a textual form.
+func (e *pluginError) MarshalText() (text []byte, err error) {
+	return []byte(e.cause.Error()), nil
+}
+
+// wrapAsPluginError wraps an error in a pluginError with an
+// additional message, analogous to errors.Wrapf.
+func wrapAsPluginError(err error, msg string) error {
+	return &pluginError{cause: errors.Wrap(err, msg)}
+}
+
+// NewPluginError creates a new pluginError, analogous to
+// errors.Errorf.
+func NewPluginError(msg string, args ...interface{}) error {
+	return &pluginError{cause: errors.Errorf(msg, args...)}
+}

cli-plugins/manager/error_test.go

@@ -0,0 +1,24 @@
+package manager
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/pkg/errors"
+	"gopkg.in/yaml.v2"
+	"gotest.tools/assert"
+)
+
+func TestPluginError(t *testing.T) {
+	err := NewPluginError("new error")
+	assert.Error(t, err, "new error")
+
+	inner := fmt.Errorf("testing")
+	err = wrapAsPluginError(inner, "wrapping")
+	assert.Error(t, err, "wrapping: testing")
+	assert.Equal(t, inner, errors.Cause(err))
+
+	actual, err := yaml.Marshal(err)
+	assert.NilError(t, err)
+	assert.Equal(t, "'wrapping: testing'\n", string(actual))
+}

cli-plugins/manager/metadata.go

@@ -13,13 +13,13 @@ const (
 // Metadata provided by the plugin
 type Metadata struct {
 	// SchemaVersion describes the version of this struct. Mandatory, must be "0.1.0"
-	SchemaVersion string
+	SchemaVersion string `json:",omitempty"`
 	// Vendor is the name of the plugin vendor. Mandatory
-	Vendor string
+	Vendor string `json:",omitempty"`
 	// Version is the optional version of this plugin.
-	Version string
+	Version string `json:",omitempty"`
 	// ShortDescription should be suitable for a single line help message.
-	ShortDescription string
+	ShortDescription string `json:",omitempty"`
 	// URL is a pointer to the plugin's homepage.
-	URL string
+	URL string `json:",omitempty"`
 }

cli-plugins/manager/plugin.go

@@ -19,8 +19,8 @@ var (
 type Plugin struct {
 	Metadata
 
-	Name string
+	Name string `json:",omitempty"`
-	Path string
+	Path string `json:",omitempty"`
 
 	// Err is non-nil if the plugin failed one of the candidate tests.
 	Err error `json:",omitempty"`
@@ -31,8 +31,9 @@ type Plugin struct {
 
 // newPlugin determines if the given candidate is valid and returns a
 // Plugin.  If the candidate fails one of the tests then `Plugin.Err`
-// is set, but the `Plugin` is still returned with no error. An error
+// is set, and is always a `pluginError`, but the `Plugin` is still
-// is only returned due to a non-recoverable error.
+// returned with no error. An error is only returned due to a
+// non-recoverable error.
 func newPlugin(c Candidate, rootcmd *cobra.Command) (Plugin, error) {
 	path := c.Path()
 	if path == "" {
@@ -63,7 +64,7 @@ func newPlugin(c Candidate, rootcmd *cobra.Command) (Plugin, error) {
 
 	// Now apply the candidate tests, so these update p.Err.
 	if !pluginNameRe.MatchString(p.Name) {
-		p.Err = errors.Errorf("plugin candidate %q did not match %q", p.Name, pluginNameRe.String())
+		p.Err = NewPluginError("plugin candidate %q did not match %q", p.Name, pluginNameRe.String())
 		return p, nil
 	}
 
@@ -76,11 +77,11 @@ func newPlugin(c Candidate, rootcmd *cobra.Command) (Plugin, error) {
 				continue
 			}
 			if cmd.Name() == p.Name {
-				p.Err = errors.Errorf("plugin %q duplicates builtin command", p.Name)
+				p.Err = NewPluginError("plugin %q duplicates builtin command", p.Name)
 				return p, nil
 			}
 			if cmd.HasAlias(p.Name) {
-				p.Err = errors.Errorf("plugin %q duplicates an alias of builtin command %q", p.Name, cmd.Name())
+				p.Err = NewPluginError("plugin %q duplicates an alias of builtin command %q", p.Name, cmd.Name())
 				return p, nil
 			}
 		}
@@ -89,21 +90,21 @@ func newPlugin(c Candidate, rootcmd *cobra.Command) (Plugin, error) {
 	// We are supposed to check for relevant execute permissions here. Instead we rely on an attempt to execute.
 	meta, err := c.Metadata()
 	if err != nil {
-		p.Err = errors.Wrap(err, "failed to fetch metadata")
+		p.Err = wrapAsPluginError(err, "failed to fetch metadata")
 		return p, nil
 	}
 
 	if err := json.Unmarshal(meta, &p.Metadata); err != nil {
-		p.Err = errors.Wrap(err, "invalid metadata")
+		p.Err = wrapAsPluginError(err, "invalid metadata")
 		return p, nil
 	}
 
 	if p.Metadata.SchemaVersion != "0.1.0" {
-		p.Err = errors.Errorf("plugin SchemaVersion %q is not valid, must be 0.1.0", p.Metadata.SchemaVersion)
+		p.Err = NewPluginError("plugin SchemaVersion %q is not valid, must be 0.1.0", p.Metadata.SchemaVersion)
 		return p, nil
 	}
 	if p.Metadata.Vendor == "" {
-		p.Err = errors.Errorf("plugin metadata does not define a vendor")
+		p.Err = NewPluginError("plugin metadata does not define a vendor")
 		return p, nil
 	}
 	return p, nil

cli/command/system/info.go

@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"github.com/docker/cli/cli"
+	pluginmanager "github.com/docker/cli/cli-plugins/manager"
 	"github.com/docker/cli/cli/command"
 	"github.com/docker/cli/cli/debug"
 	"github.com/docker/cli/templates"
@@ -23,6 +24,7 @@ type infoOptions struct {
 
 type clientInfo struct {
 	Debug    bool
+	Plugins  []pluginmanager.Plugin
 	Warnings []string
 }
 
@@ -47,7 +49,7 @@ func NewInfoCommand(dockerCli command.Cli) *cobra.Command {
 		Short: "Display system-wide information",
 		Args:  cli.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
-			return runInfo(dockerCli, &opts)
+			return runInfo(cmd, dockerCli, &opts)
 		},
 	}
 
@@ -58,7 +60,7 @@ func NewInfoCommand(dockerCli command.Cli) *cobra.Command {
 	return cmd
 }
 
-func runInfo(dockerCli command.Cli, opts *infoOptions) error {
+func runInfo(cmd *cobra.Command, dockerCli command.Cli, opts *infoOptions) error {
 	var info info
 
 	ctx := context.Background()
@@ -71,6 +73,11 @@ func runInfo(dockerCli command.Cli, opts *infoOptions) error {
 	info.ClientInfo = &clientInfo{
 		Debug: debug.IsEnabled(),
 	}
+	if plugins, err := pluginmanager.ListPlugins(dockerCli, cmd.Root()); err == nil {
+		info.ClientInfo.Plugins = plugins
+	} else {
+		info.ClientErrors = append(info.ClientErrors, err.Error())
+	}
 
 	if opts.format == "" {
 		return prettyPrintInfo(dockerCli, info)
@@ -109,6 +116,17 @@ func prettyPrintInfo(dockerCli command.Cli, info info) error {
 func prettyPrintClientInfo(dockerCli command.Cli, info clientInfo) error {
 	fmt.Fprintln(dockerCli.Out(), " Debug Mode:", info.Debug)
 
+	if len(info.Plugins) > 0 {
+		fmt.Fprintln(dockerCli.Out(), " Plugins:")
+		for _, p := range info.Plugins {
+			if p.Err == nil {
+				fmt.Fprintf(dockerCli.Out(), "  %s: (%s, %s) %s\n", p.Name, p.Version, p.Vendor, p.ShortDescription)
+			} else {
+				info.Warnings = append(info.Warnings, fmt.Sprintf("WARNING: Plugin %q is not valid: %s", p.Path, p.Err))
+			}
+		}
+	}
+
 	if len(info.Warnings) > 0 {
 		fmt.Fprintln(dockerCli.Err(), strings.Join(info.Warnings, "\n"))
 	}
@@ -447,6 +465,11 @@ func getBackingFs(info types.Info) string {
 }
 
 func formatInfo(dockerCli command.Cli, info info, format string) error {
+	// Ensure slice/array fields render as `[]` not `null`
+	if info.ClientInfo != nil && info.ClientInfo.Plugins == nil {
+		info.ClientInfo.Plugins = make([]pluginmanager.Plugin, 0)
+	}
+
 	tmpl, err := templates.Parse(format)
 	if err != nil {
 		return cli.StatusError{StatusCode: 64,

cli/command/system/info_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 	"time"
 
+	pluginmanager "github.com/docker/cli/cli-plugins/manager"
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/registry"
@@ -192,6 +193,24 @@ PQQDAgNIADBFAiEAo9fTQNM5DP9bHVcTJYfl2Cay1bFu1E+lnpmN+EYJfeACIGKH
 	},
 }
 
+var samplePluginsInfo = []pluginmanager.Plugin{
+	{
+		Name: "goodplugin",
+		Path: "/path/to/docker-goodplugin",
+		Metadata: pluginmanager.Metadata{
+			SchemaVersion:    "0.1.0",
+			ShortDescription: "unit test is good",
+			Vendor:           "ACME Corp",
+			Version:          "0.1.0",
+		},
+	},
+	{
+		Name: "badplugin",
+		Path: "/path/to/docker-badplugin",
+		Err:  pluginmanager.NewPluginError("something wrong"),
+	},
+}
+
 func TestPrettyPrintInfo(t *testing.T) {
 	infoWithSwarm := sampleInfoNoSwarm
 	infoWithSwarm.Swarm = sampleSwarmInfo
@@ -228,8 +247,9 @@ func TestPrettyPrintInfo(t *testing.T) {
 	sampleInfoBadSecurity.SecurityOptions = []string{"foo="}
 
 	for _, tc := range []struct {
-		doc            string
+		doc        string
-		dockerInfo     info
+		dockerInfo info
+
 		prettyGolden   string
 		warningsGolden string
 		jsonGolden     string
@@ -245,6 +265,19 @@ func TestPrettyPrintInfo(t *testing.T) {
 			jsonGolden:   "docker-info-no-swarm",
 		},
 		{
+			doc: "info with plugins",
+			dockerInfo: info{
+				Info: &sampleInfoNoSwarm,
+				ClientInfo: &clientInfo{
+					Plugins: samplePluginsInfo,
+				},
+			},
+			prettyGolden:   "docker-info-plugins",
+			jsonGolden:     "docker-info-plugins",
+			warningsGolden: "docker-info-plugins-warnings",
+		},
+		{
+
 			doc: "info with swarm",
 			dockerInfo: info{
 				Info:       &infoWithSwarm,

cli/command/system/testdata/docker-info-badsec.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"]],"SystemStatus":null,"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,"KernelMemoryTCP":false,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"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","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","ClusterStore":"","ClusterAdvertise":"","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":["foo="],"Warnings":null,"ServerErrors":["an error happened"],"ClientInfo":{"Debug":false,"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"]],"SystemStatus":null,"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,"KernelMemoryTCP":false,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"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","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","ClusterStore":"","ClusterAdvertise":"","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":["foo="],"Warnings":null,"ServerErrors":["an error happened"],"ClientInfo":{"Debug":false,"Plugins":[],"Warnings":null}}

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"]],"SystemStatus":null,"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,"KernelMemoryTCP":false,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"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","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","ClusterStore":"","ClusterAdvertise":"","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"],"Warnings":["WARNING: No memory limit support","WARNING: No swap limit support","WARNING: No kernel memory 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,"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"]],"SystemStatus":null,"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,"KernelMemoryTCP":false,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"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","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","ClusterStore":"","ClusterAdvertise":"","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"],"Warnings":["WARNING: No memory limit support","WARNING: No swap limit support","WARNING: No kernel memory 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,"Plugins":[],"Warnings":null}}

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

@@ -1 +1 @@
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+{"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"]],"SystemStatus":null,"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,"KernelMemory":false,"KernelMemoryTCP":false,"CpuCfsPeriod":false,"CpuCfsQuota":false,"CPUShares":false,"CPUSet":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","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","ClusterStore":"","ClusterAdvertise":"","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"],"Warnings":null,"ClientInfo":{"Debug":true,"Plugins":[],"Warnings":null}}

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"]],"SystemStatus":null,"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,"KernelMemoryTCP":false,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"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","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","ClusterStore":"","ClusterAdvertise":"","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"],"Warnings":null,"ClientInfo":{"Debug":true,"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"]],"SystemStatus":null,"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,"KernelMemoryTCP":false,"CpuCfsPeriod":true,"CpuCfsQuota":true,"CPUShares":true,"CPUSet":true,"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","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","ClusterStore":"","ClusterAdvertise":"","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"],"Warnings":null,"ClientInfo":{"Debug":true,"Plugins":[],"Warnings":null}}

cli/command/system/testdata/docker-info-plugins-warnings.golden

@@ -0,0 +1 @@
+WARNING: Plugin "/path/to/docker-badplugin" is not valid: something wrong

cli/command/system/testdata/docker-info-plugins.golden

@@ -0,0 +1,56 @@
+Client:
+ Debug Mode: false
+ Plugins:
+  goodplugin: (0.1.0, ACME Corp) unit test is good
+
+Server:
+ Containers: 0
+  Running: 0
+  Paused: 0
+  Stopped: 0
+ Images: 0
+ Server Version: 17.06.1-ce
+ Storage Driver: aufs
+  Root Dir: /var/lib/docker/aufs
+  Backing Filesystem: extfs
+  Dirs: 0
+  Dirperm1 Supported: true
+ Logging Driver: json-file
+ Cgroup Driver: cgroupfs
+ Plugins:
+  Volume: local
+  Network: bridge host macvlan null overlay
+  Log: awslogs fluentd gcplogs gelf journald json-file logentries splunk syslog
+ Swarm: inactive
+ Runtimes: runc
+ Default Runtime: runc
+ Init Binary: docker-init
+ containerd version: 6e23458c129b551d5c9871e5174f6b1b7f6d1170
+ runc version: 810190ceaa507aa2727d7ae6f4790c76ec150bd2
+ init version: 949e6fa
+ Security Options:
+  apparmor
+  seccomp
+   Profile: default
+ Kernel Version: 4.4.0-87-generic
+ Operating System: Ubuntu 16.04.3 LTS
+ OSType: linux
+ Architecture: x86_64
+ CPUs: 2
+ Total Memory: 1.953GiB
+ Name: system-sample
+ ID: EKHL:QDUU:QZ7U:MKGD:VDXK:S27Q:GIPU:24B7:R7VT:DGN6:QCSF:2UBX
+ Docker Root Dir: /var/lib/docker
+ Debug Mode: true
+  File Descriptors: 33
+  Goroutines: 135
+  System Time: 2017-08-24T17:44:34.077811894Z
+  EventsListeners: 0
+ Registry: https://index.docker.io/v1/
+ Labels:
+  provider=digitalocean
+ Experimental: false
+ Insecure Registries:
+  127.0.0.0/8
+ Live Restore Enabled: false
+

cli/command/system/testdata/docker-info-plugins.json.golden

@@ -0,0 +1 @@
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cli/command/system/testdata/docker-info-with-swarm.json.golden

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