diff options
Diffstat (limited to 'libpod/info.go')
| -rw-r--r-- | libpod/info.go | 243 |
1 files changed, 157 insertions, 86 deletions
diff --git a/libpod/info.go b/libpod/info.go index 8d411f0d4..3cc767be6 100644 --- a/libpod/info.go +++ b/libpod/info.go @@ -13,7 +13,9 @@ import ( "time" "github.com/containers/buildah" + "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/cgroups" + registries2 "github.com/containers/libpod/pkg/registries" "github.com/containers/libpod/pkg/rootless" "github.com/containers/storage" "github.com/containers/storage/pkg/system" @@ -21,14 +23,80 @@ import ( "github.com/sirupsen/logrus" ) +// Info returns the store and host information +func (r *Runtime) info() (*define.Info, error) { + info := define.Info{} + // get host information + hostInfo, err := r.hostInfo() + if err != nil { + return nil, errors.Wrapf(err, "error getting host info") + } + info.Host = hostInfo + + // get store information + storeInfo, err := r.storeInfo() + if err != nil { + return nil, errors.Wrapf(err, "error getting store info") + } + info.Store = storeInfo + registries := make(map[string]interface{}) + data, err := registries2.GetRegistriesData() + if err != nil { + return nil, errors.Wrapf(err, "error getting registries") + } + for _, reg := range data { + registries[reg.Prefix] = reg + } + regs, err := registries2.GetRegistries() + if err != nil { + return nil, errors.Wrapf(err, "error getting registries") + } + if len(regs) > 0 { + registries["search"] = regs + } + + info.Registries = registries + return &info, nil +} + // top-level "host" info -func (r *Runtime) hostInfo() (map[string]interface{}, error) { +func (r *Runtime) hostInfo() (*define.HostInfo, error) { // lets say OS, arch, number of cpus, amount of memory, maybe os distribution/version, hostname, kernel version, uptime - info := map[string]interface{}{} - info["os"] = runtime.GOOS - info["arch"] = runtime.GOARCH - info["cpus"] = runtime.NumCPU() - info["rootless"] = rootless.IsRootless() + mi, err := system.ReadMemInfo() + if err != nil { + return nil, errors.Wrapf(err, "error reading memory info") + } + + hostDistributionInfo := r.GetHostDistributionInfo() + + kv, err := readKernelVersion() + if err != nil { + return nil, errors.Wrapf(err, "error reading kernel version") + } + + host, err := os.Hostname() + if err != nil { + return nil, errors.Wrapf(err, "error getting hostname") + } + info := define.HostInfo{ + Arch: runtime.GOARCH, + BuildahVersion: buildah.Version, + CPUs: runtime.NumCPU(), + Distribution: hostDistributionInfo, + EventLogger: r.eventer.String(), + Hostname: host, + IDMappings: define.IDMappings{}, + Kernel: kv, + MemFree: mi.MemFree, + MemTotal: mi.MemTotal, + OS: runtime.GOOS, + Rootless: rootless.IsRootless(), + Slirp4NetNS: define.SlirpInfo{}, + SwapFree: mi.SwapFree, + SwapTotal: mi.SwapTotal, + } + + // CGroups version unified, err := cgroups.IsCgroup2UnifiedMode() if err != nil { return nil, errors.Wrapf(err, "error reading cgroups mode") @@ -37,17 +105,8 @@ func (r *Runtime) hostInfo() (map[string]interface{}, error) { if unified { cgroupVersion = "v2" } - info["CgroupVersion"] = cgroupVersion - mi, err := system.ReadMemInfo() - if err != nil { - return nil, errors.Wrapf(err, "error reading memory info") - } - // TODO this might be a place for github.com/dustin/go-humanize - info["MemTotal"] = mi.MemTotal - info["MemFree"] = mi.MemFree - info["SwapTotal"] = mi.SwapTotal - info["SwapFree"] = mi.SwapFree - hostDistributionInfo := r.GetHostDistributionInfo() + info.CGroupsVersion = cgroupVersion + if rootless.IsRootless() { if path, err := exec.LookPath("slirp4netns"); err == nil { logrus.Warnf("Failed to retrieve program version for %s: %v", path, err) @@ -55,11 +114,12 @@ func (r *Runtime) hostInfo() (map[string]interface{}, error) { if err != nil { logrus.Warnf("Failed to retrieve program version for %s: %v", path, err) } - program := map[string]interface{}{} - program["Executable"] = path - program["Version"] = version - program["Package"] = packageVersion(path) - info["slirp4netns"] = program + program := define.SlirpInfo{ + Executable: path, + Package: packageVersion(path), + Version: version, + } + info.Slirp4NetNS = program } uidmappings, err := rootless.ReadMappingsProc("/proc/self/uid_map") if err != nil { @@ -69,29 +129,19 @@ func (r *Runtime) hostInfo() (map[string]interface{}, error) { if err != nil { return nil, errors.Wrapf(err, "error reading gid mappings") } - idmappings := make(map[string]interface{}) - idmappings["uidmap"] = uidmappings - idmappings["gidmap"] = gidmappings - info["IDMappings"] = idmappings - } - info["Distribution"] = map[string]interface{}{ - "distribution": hostDistributionInfo["Distribution"], - "version": hostDistributionInfo["Version"], - } - info["BuildahVersion"] = buildah.Version - kv, err := readKernelVersion() - if err != nil { - return nil, errors.Wrapf(err, "error reading kernel version") + idmappings := define.IDMappings{ + GIDMap: gidmappings, + UIDMap: uidmappings, + } + info.IDMappings = idmappings } - info["kernel"] = kv - runtimeInfo, err := r.defaultOCIRuntime.RuntimeInfo() + conmonInfo, ociruntimeInfo, err := r.defaultOCIRuntime.RuntimeInfo() if err != nil { logrus.Errorf("Error getting info on OCI runtime %s: %v", r.defaultOCIRuntime.Name(), err) } else { - for k, v := range runtimeInfo { - info[k] = v - } + info.Conmon = conmonInfo + info.OCIRuntime = ociruntimeInfo } up, err := readUptime() @@ -105,6 +155,7 @@ func (r *Runtime) hostInfo() (map[string]interface{}, error) { return nil, errors.Wrapf(err, "error parsing system uptime") } + // TODO Isnt there a simple lib for this, something like humantime? hoursFound := false var timeBuffer bytes.Buffer var hoursBuffer bytes.Buffer @@ -121,32 +172,75 @@ func (r *Runtime) hostInfo() (map[string]interface{}, error) { } } - info["uptime"] = timeBuffer.String() + info.Uptime = timeBuffer.String() if hoursFound { hours, err := strconv.ParseFloat(hoursBuffer.String(), 64) if err == nil { days := hours / 24 - info["uptime"] = fmt.Sprintf("%s (Approximately %.2f days)", info["uptime"], days) + info.Uptime = fmt.Sprintf("%s (Approximately %.2f days)", info.Uptime, days) } } - host, err := os.Hostname() + return &info, nil +} + +func (r *Runtime) getContainerStoreInfo() (define.ContainerStore, error) { + var ( + paused, running, stopped int + ) + cs := define.ContainerStore{} + cons, err := r.GetAllContainers() if err != nil { - return nil, errors.Wrapf(err, "error getting hostname") + return cs, err } - info["hostname"] = host - info["eventlogger"] = r.eventer.String() - - return info, nil + for _, con := range cons { + state, err := con.State() + if err != nil { + return cs, err + } + switch state { + case define.ContainerStateRunning: + running += 1 + case define.ContainerStatePaused: + paused += 1 + default: + stopped += 1 + } + } + cs.Number = len(cons) + cs.Paused = paused + cs.Stopped = stopped + cs.Running = running + return cs, nil } // top-level "store" info -func (r *Runtime) storeInfo() (map[string]interface{}, error) { +func (r *Runtime) storeInfo() (*define.StoreInfo, error) { // lets say storage driver in use, number of images, number of containers - info := map[string]interface{}{} - info["GraphRoot"] = r.store.GraphRoot() - info["RunRoot"] = r.store.RunRoot() - info["GraphDriverName"] = r.store.GraphDriverName() + configFile, err := storage.DefaultConfigFile(rootless.IsRootless()) + if err != nil { + return nil, err + } + images, err := r.store.Images() + if err != nil { + return nil, errors.Wrapf(err, "error getting number of images") + } + conInfo, err := r.getContainerStoreInfo() + if err != nil { + return nil, err + } + imageInfo := define.ImageStore{Number: len(images)} + + info := define.StoreInfo{ + ImageStore: imageInfo, + ContainerStore: conInfo, + GraphRoot: r.store.GraphRoot(), + RunRoot: r.store.RunRoot(), + GraphDriverName: r.store.GraphDriverName(), + GraphOptions: nil, + VolumePath: r.config.Engine.VolumePath, + ConfigFile: configFile, + } graphOptions := map[string]interface{}{} for _, o := range r.store.GraphOptions() { split := strings.SplitN(o, "=", 2) @@ -164,14 +258,8 @@ func (r *Runtime) storeInfo() (map[string]interface{}, error) { graphOptions[split[0]] = split[1] } } - info["GraphOptions"] = graphOptions - info["VolumePath"] = r.config.Engine.VolumePath + info.GraphOptions = graphOptions - configFile, err := storage.DefaultConfigFile(rootless.IsRootless()) - if err != nil { - return nil, err - } - info["ConfigFile"] = configFile statusPairs, err := r.store.Status() if err != nil { return nil, err @@ -180,24 +268,8 @@ func (r *Runtime) storeInfo() (map[string]interface{}, error) { for _, pair := range statusPairs { status[pair[0]] = pair[1] } - info["GraphStatus"] = status - images, err := r.store.Images() - if err != nil { - return nil, errors.Wrapf(err, "error getting number of images") - } - info["ImageStore"] = map[string]interface{}{ - "number": len(images), - } - - containers, err := r.store.Containers() - if err != nil { - return nil, errors.Wrapf(err, "error getting number of containers") - } - info["ContainerStore"] = map[string]interface{}{ - "number": len(containers), - } - - return info, nil + info.GraphStatus = status + return &info, nil } func readKernelVersion() (string, error) { @@ -225,14 +297,13 @@ func readUptime() (string, error) { } // GetHostDistributionInfo returns a map containing the host's distribution and version -func (r *Runtime) GetHostDistributionInfo() map[string]string { - dist := make(map[string]string) - +func (r *Runtime) GetHostDistributionInfo() define.DistributionInfo { // Populate values in case we cannot find the values // or the file - dist["Distribution"] = "unknown" - dist["Version"] = "unknown" - + dist := define.DistributionInfo{ + Distribution: "unknown", + Version: "unknown", + } f, err := os.Open("/etc/os-release") if err != nil { return dist @@ -242,10 +313,10 @@ func (r *Runtime) GetHostDistributionInfo() map[string]string { l := bufio.NewScanner(f) for l.Scan() { if strings.HasPrefix(l.Text(), "ID=") { - dist["Distribution"] = strings.TrimPrefix(l.Text(), "ID=") + dist.Distribution = strings.TrimPrefix(l.Text(), "ID=") } if strings.HasPrefix(l.Text(), "VERSION_ID=") { - dist["Version"] = strings.Trim(strings.TrimPrefix(l.Text(), "VERSION_ID="), "\"") + dist.Version = strings.Trim(strings.TrimPrefix(l.Text(), "VERSION_ID="), "\"") } } return dist |