diff --git a/api_params.go b/api_params.go index 26d70711a1..0214b89fdb 100644 --- a/api_params.go +++ b/api_params.go @@ -20,11 +20,13 @@ type APIInfo struct { Debug bool Containers int Images int - NFd int `json:",omitempty"` - NGoroutines int `json:",omitempty"` - MemoryLimit bool `json:",omitempty"` - SwapLimit bool `json:",omitempty"` - NEventsListener int `json:",omitempty"` + NFd int `json:",omitempty"` + NGoroutines int `json:",omitempty"` + MemoryLimit bool `json:",omitempty"` + SwapLimit bool `json:",omitempty"` + LXCVersion string `json:",omitempty"` + NEventsListener int `json:",omitempty"` + KernelVersion string `json:",omitempty"` } type APITop struct { diff --git a/commands.go b/commands.go index 2d8ea4efb5..a868b5e5b2 100644 --- a/commands.go +++ b/commands.go @@ -471,7 +471,9 @@ func (cli *DockerCli) CmdInfo(args ...string) error { fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "") fmt.Fprintf(cli.out, "Fds: %d\n", out.NFd) fmt.Fprintf(cli.out, "Goroutines: %d\n", out.NGoroutines) + fmt.Fprintf(cli.out, "LXC Version: %s\n", out.LXCVersion) fmt.Fprintf(cli.out, "EventsListeners: %d\n", out.NEventsListener) + fmt.Fprintf(cli.out, "Kernel Version: %s\n", out.KernelVersion) } if !out.MemoryLimit { fmt.Fprintf(cli.err, "WARNING: No memory limit support\n") diff --git a/docs/sources/api/docker_remote_api_v1.3.rst b/docs/sources/api/docker_remote_api_v1.3.rst index 69f480e453..401855365e 100644 --- a/docs/sources/api/docker_remote_api_v1.3.rst +++ b/docs/sources/api/docker_remote_api_v1.3.rst @@ -989,7 +989,10 @@ Display system-wide information "NFd": 11, "NGoroutines":21, "MemoryLimit":true, - "SwapLimit":false + "SwapLimit":false, + "EventsListeners":"0", + "LXCVersion":"0.7.5", + "KernelVersion":"3.8.0-19-generic" } :statuscode 200: no error diff --git a/server.go b/server.go index 4179a1e160..ce1fc8eaf8 100644 --- a/server.go +++ b/server.go @@ -252,6 +252,18 @@ func (srv *Server) DockerInfo() *APIInfo { } else { imgcount = len(images) } + lxcVersion := "" + if output, err := exec.Command("lxc-version").CombinedOutput(); err == nil { + outputStr := string(output) + if len(strings.SplitN(outputStr, ":", 2)) == 2 { + lxcVersion = strings.TrimSpace(strings.SplitN(string(output), ":", 2)[1]) + } + } + kernelVersion := "" + if kv, err := utils.GetKernelVersion(); err == nil { + kernelVersion = kv.String() + } + return &APIInfo{ Containers: len(srv.runtime.List()), Images: imgcount, @@ -260,7 +272,9 @@ func (srv *Server) DockerInfo() *APIInfo { Debug: os.Getenv("DEBUG") != "", NFd: utils.GetTotalUsedFds(), NGoroutines: runtime.NumGoroutine(), + LXCVersion: lxcVersion, NEventsListener: len(srv.events), + KernelVersion: kernelVersion, } }