diff options
Diffstat (limited to 'pkg/api/handlers/generic/info.go')
| -rw-r--r-- | pkg/api/handlers/generic/info.go | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/pkg/api/handlers/generic/info.go b/pkg/api/handlers/generic/info.go new file mode 100644 index 000000000..c9e79233d --- /dev/null +++ b/pkg/api/handlers/generic/info.go @@ -0,0 +1,196 @@ +package generic + +import ( + "fmt" + "io/ioutil" + "net/http" + "os" + goRuntime "runtime" + "strings" + "time" + + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/libpod/config" + "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/pkg/api/handlers" + "github.com/containers/libpod/pkg/api/handlers/utils" + "github.com/containers/libpod/pkg/rootless" + "github.com/containers/libpod/pkg/sysinfo" + docker "github.com/docker/docker/api/types" + "github.com/docker/docker/api/types/swarm" + "github.com/google/uuid" + "github.com/pkg/errors" + log "github.com/sirupsen/logrus" +) + +func GetInfo(w http.ResponseWriter, r *http.Request) { + // 200 ok + // 500 internal + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + infoData, err := runtime.Info() + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain system memory info")) + return + } + hostInfo := infoData[0].Data + storeInfo := infoData[1].Data + + configInfo, err := runtime.GetConfig() + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain runtime config")) + return + } + versionInfo, err := define.GetVersion() + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain podman versions")) + return + } + stateInfo := getContainersState(runtime) + sysInfo := sysinfo.New(true) + + // FIXME: Need to expose if runtime supports Checkpoint'ing + // liveRestoreEnabled := criu.CheckForCriu() && configInfo.RuntimeSupportsCheckpoint() + + info := &handlers.Info{Info: docker.Info{ + Architecture: goRuntime.GOARCH, + BridgeNfIP6tables: !sysInfo.BridgeNFCallIP6TablesDisabled, + BridgeNfIptables: !sysInfo.BridgeNFCallIPTablesDisabled, + CPUCfsPeriod: sysInfo.CPUCfsPeriod, + CPUCfsQuota: sysInfo.CPUCfsQuota, + CPUSet: sysInfo.Cpuset, + CPUShares: sysInfo.CPUShares, + CgroupDriver: configInfo.CgroupManager, + ClusterAdvertise: "", + ClusterStore: "", + ContainerdCommit: docker.Commit{}, + Containers: storeInfo["ContainerStore"].(map[string]interface{})["number"].(int), + ContainersPaused: stateInfo[define.ContainerStatePaused], + ContainersRunning: stateInfo[define.ContainerStateRunning], + ContainersStopped: stateInfo[define.ContainerStateStopped] + stateInfo[define.ContainerStateExited], + Debug: log.IsLevelEnabled(log.DebugLevel), + DefaultRuntime: configInfo.OCIRuntime, + DockerRootDir: storeInfo["GraphRoot"].(string), + Driver: storeInfo["GraphDriverName"].(string), + DriverStatus: getGraphStatus(storeInfo), + ExperimentalBuild: true, + GenericResources: nil, + HTTPProxy: getEnv("http_proxy"), + HTTPSProxy: getEnv("https_proxy"), + ID: uuid.New().String(), + IPv4Forwarding: !sysInfo.IPv4ForwardingDisabled, + Images: storeInfo["ImageStore"].(map[string]interface{})["number"].(int), + IndexServerAddress: "", + InitBinary: "", + InitCommit: docker.Commit{}, + Isolation: "", + KernelMemory: sysInfo.KernelMemory, + KernelMemoryTCP: false, + KernelVersion: hostInfo["kernel"].(string), + Labels: nil, + LiveRestoreEnabled: false, + LoggingDriver: "", + MemTotal: hostInfo["MemTotal"].(int64), + MemoryLimit: sysInfo.MemoryLimit, + NCPU: goRuntime.NumCPU(), + NEventsListener: 0, + NFd: getFdCount(), + NGoroutines: goRuntime.NumGoroutine(), + Name: hostInfo["hostname"].(string), + NoProxy: getEnv("no_proxy"), + OSType: goRuntime.GOOS, + OSVersion: hostInfo["Distribution"].(map[string]interface{})["version"].(string), + OomKillDisable: sysInfo.OomKillDisable, + OperatingSystem: hostInfo["Distribution"].(map[string]interface{})["distribution"].(string), + PidsLimit: sysInfo.PidsLimit, + Plugins: docker.PluginsInfo{}, + ProductLicense: "Apache-2.0", + RegistryConfig: nil, + RuncCommit: docker.Commit{}, + Runtimes: getRuntimes(configInfo), + SecurityOptions: getSecOpts(sysInfo), + ServerVersion: versionInfo.Version, + SwapLimit: sysInfo.SwapLimit, + Swarm: swarm.Info{ + LocalNodeState: swarm.LocalNodeStateInactive, + }, + SystemStatus: nil, + SystemTime: time.Now().Format(time.RFC3339Nano), + Warnings: []string{}, + }, + BuildahVersion: hostInfo["BuildahVersion"].(string), + CPURealtimePeriod: sysInfo.CPURealtimePeriod, + CPURealtimeRuntime: sysInfo.CPURealtimeRuntime, + CgroupVersion: hostInfo["CgroupVersion"].(string), + Rootless: rootless.IsRootless(), + SwapFree: hostInfo["SwapFree"].(int64), + SwapTotal: hostInfo["SwapTotal"].(int64), + Uptime: hostInfo["uptime"].(string), + } + utils.WriteResponse(w, http.StatusOK, info) +} + +func getGraphStatus(storeInfo map[string]interface{}) [][2]string { + var graphStatus [][2]string + for k, v := range storeInfo["GraphStatus"].(map[string]string) { + graphStatus = append(graphStatus, [2]string{k, v}) + } + return graphStatus +} + +func getSecOpts(sysInfo *sysinfo.SysInfo) []string { + var secOpts []string + if sysInfo.AppArmor { + secOpts = append(secOpts, "name=apparmor") + } + if sysInfo.Seccomp { + // FIXME: get profile name... + secOpts = append(secOpts, fmt.Sprintf("name=seccomp,profile=%s", "default")) + } + return secOpts +} + +func getRuntimes(configInfo *config.Config) map[string]docker.Runtime { + var runtimes = map[string]docker.Runtime{} + for name, paths := range configInfo.OCIRuntimes { + runtimes[name] = docker.Runtime{ + Path: paths[0], + Args: nil, + } + } + return runtimes +} + +func getFdCount() (count int) { + count = -1 + if entries, err := ioutil.ReadDir("/proc/self/fd"); err == nil { + count = len(entries) + } + return +} + +// Just ignoring Container errors here... +func getContainersState(r *libpod.Runtime) map[define.ContainerStatus]int { + var states = map[define.ContainerStatus]int{} + ctnrs, err := r.GetAllContainers() + if err == nil { + for _, ctnr := range ctnrs { + state, err := ctnr.State() + if err != nil { + continue + } + states[state] += 1 + } + } + return states +} + +func getEnv(value string) string { + if v, exists := os.LookupEnv(strings.ToUpper(value)); exists { + return v + } + if v, exists := os.LookupEnv(strings.ToLower(value)); exists { + return v + } + return "" +} |