diff --git a/api/client/commands.go b/api/client/commands.go index f4ced5ecf..2a7190d3d 100644 --- a/api/client/commands.go +++ b/api/client/commands.go @@ -481,6 +481,13 @@ func (cli *DockerCli) CmdInfo(args ...string) error { fmt.Fprintf(cli.out, "Kernel Version: %s\n", remoteInfo.Get("KernelVersion")) fmt.Fprintf(cli.out, "Operating System: %s\n", remoteInfo.Get("OperatingSystem")) + if remoteInfo.Exists("NCPU") { + fmt.Fprintf(cli.out, "CPUs: %d\n", remoteInfo.GetInt("NCPU")) + } + if remoteInfo.Exists("MemTotal") { + fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(remoteInfo.GetInt64("MemTotal")))) + } + if remoteInfo.GetBool("Debug") || os.Getenv("DEBUG") != "" { fmt.Fprintf(cli.out, "Debug mode (server): %v\n", remoteInfo.GetBool("Debug")) fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "") diff --git a/daemon/info.go b/daemon/info.go index 3d3c9ba6c..79af8cc21 100644 --- a/daemon/info.go +++ b/daemon/info.go @@ -9,6 +9,7 @@ import ( "github.com/docker/docker/pkg/log" "github.com/docker/docker/pkg/parsers/kernel" "github.com/docker/docker/pkg/parsers/operatingsystem" + "github.com/docker/docker/pkg/system" "github.com/docker/docker/registry" "github.com/docker/docker/utils" ) @@ -37,6 +38,11 @@ func (daemon *Daemon) CmdInfo(job *engine.Job) engine.Status { operatingSystem += " (containerized)" } + meminfo, err := system.ReadMemInfo() + if err != nil { + log.Errorf("Could not read system memory info: %v", err) + } + // if we still have the original dockerinit binary from before we copied it locally, let's return the path to that, since that's more intuitive (the copied path is trivial to derive by hand given VERSION) initPath := utils.DockerInitPath("") if initPath == "" { @@ -67,6 +73,8 @@ func (daemon *Daemon) CmdInfo(job *engine.Job) engine.Status { v.Set("IndexServerAddress", registry.IndexServerAddress()) v.Set("InitSha1", dockerversion.INITSHA1) v.Set("InitPath", initPath) + v.SetInt("NCPU", runtime.NumCPU()) + v.SetInt64("MemTotal", meminfo.MemTotal) if _, err := v.WriteTo(job.Stdout); err != nil { return job.Error(err) } diff --git a/docs/man/docker-info.1.md b/docs/man/docker-info.1.md index bf64a7b54..0547b44b0 100644 --- a/docs/man/docker-info.1.md +++ b/docs/man/docker-info.1.md @@ -37,6 +37,8 @@ Here is a sample output: Execution Driver: native-0.2 Kernel Version: 3.13.0-24-generic Operating System: Ubuntu 14.04 LTS + CPUs: 1 + Total Memory: 2 GiB # HISTORY April 2014, Originally compiled by William Henry (whenry at redhat dot com) diff --git a/docs/sources/reference/api/docker_remote_api.md b/docs/sources/reference/api/docker_remote_api.md index 4dd7fff68..5d144b907 100644 --- a/docs/sources/reference/api/docker_remote_api.md +++ b/docs/sources/reference/api/docker_remote_api.md @@ -44,6 +44,12 @@ You can still call an old version of the API using ### What's new +`GET /info` + +**New!** +`info` now returns the number of CPUs available on the machine (`NCPU`) and +total memory available (`MemTotal`). + ## v1.15 ### Full Documentation diff --git a/docs/sources/reference/api/docker_remote_api_v1.16.md b/docs/sources/reference/api/docker_remote_api_v1.16.md index 887bebcee..fbb89294e 100644 --- a/docs/sources/reference/api/docker_remote_api_v1.16.md +++ b/docs/sources/reference/api/docker_remote_api_v1.16.md @@ -1164,6 +1164,8 @@ Display system-wide information "Driver":"btrfs", "ExecutionDriver":"native-0.1", "KernelVersion":"3.12.0-1-amd64" + "NCPU":1, + "MemTotal":2099236864, "Debug":false, "NFd": 11, "NGoroutines":21, diff --git a/docs/sources/reference/commandline/cli.md b/docs/sources/reference/commandline/cli.md index 4ede5e9cc..e1beaeb29 100644 --- a/docs/sources/reference/commandline/cli.md +++ b/docs/sources/reference/commandline/cli.md @@ -812,6 +812,8 @@ For example: Execution Driver: native-0.2 Kernel Version: 3.13.0-24-generic Operating System: Ubuntu 14.04 LTS + CPUs: 1 + Total Memory: 2 GiB Debug mode (server): false Debug mode (client): true Fds: 10