func Register(machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics map[container.MetricKind]struct{}) error {
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
if len(cgroupSubsystems.Mounts) == 0 {
return fmt.Errorf("failed to find supported cgroup mounts for the raw factory")
}
watcher, err := NewInotifyWatcher()
if err != nil {
return err
}
glog.Infof("Registering Raw factory")
factory := &rawFactory{
machineInfoFactory: machineInfoFactory,
fsInfo: fsInfo,
cgroupSubsystems: &cgroupSubsystems,
watcher: watcher,
ignoreMetrics: ignoreMetrics,
}
container.RegisterContainerHandlerFactory(factory)
return nil
}
func Register(machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
_, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with Rkt api service: %v", err)
}
rktPath, err := RktPath()
if err != nil {
return fmt.Errorf("unable to get the RktPath variable %v", err)
}
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
if len(cgroupSubsystems.Mounts) == 0 {
return fmt.Errorf("failed to find supported cgroup mounts for the raw factory")
}
glog.Infof("Registering Rkt factory")
factory := &rktFactory{
machineInfoFactory: machineInfoFactory,
fsInfo: fsInfo,
cgroupSubsystems: &cgroupSubsystems,
ignoreMetrics: ignoreMetrics,
rktPath: rktPath,
}
container.RegisterContainerHandlerFactory(factory, []watcher.ContainerWatchSource{watcher.Rkt})
return nil
}
// Register root container before running this function!
func Register(factory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
client, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
dockerInfo, err := ValidateInfo()
if err != nil {
return fmt.Errorf("failed to validate Docker info: %v", err)
}
// Version already validated above, assume no error here.
dockerVersion, _ := parseDockerVersion(dockerInfo.ServerVersion)
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
var (
dockerStorageDriver = storageDriver(dockerInfo.Driver)
thinPoolWatcher *devicemapper.ThinPoolWatcher = nil
)
if dockerStorageDriver == devicemapperStorageDriver {
// If the storage drive is devicemapper, create and start a
// ThinPoolWatcher to monitor the size of container CoW layers with
// thin_ls.
dockerThinPoolName, err := dockerutil.DockerThinPoolName(*dockerInfo)
if err != nil {
return fmt.Errorf("couldn't find device mapper thin pool name: %v", err)
}
dockerMetadataDevice, err := dockerutil.DockerMetadataDevice(*dockerInfo)
if err != nil {
return fmt.Errorf("couldn't determine devicemapper metadata device")
}
thinPoolWatcher = devicemapper.NewThinPoolWatcher(dockerThinPoolName, dockerMetadataDevice)
go thinPoolWatcher.Start()
}
glog.Infof("registering Docker factory")
f := &dockerFactory{
cgroupSubsystems: cgroupSubsystems,
client: client,
dockerVersion: dockerVersion,
fsInfo: fsInfo,
machineInfoFactory: factory,
storageDriver: storageDriver(dockerInfo.Driver),
storageDir: RootDir(),
ignoreMetrics: ignoreMetrics,
thinPoolWatcher: thinPoolWatcher,
}
container.RegisterContainerHandlerFactory(f, []watcher.ContainerWatchSource{watcher.Raw})
return nil
}
// Register root container before running this function!
func Register(factory info.MachineInfoFactory, fsInfo fs.FsInfo) error {
if UseSystemd() {
glog.Infof("System is using systemd")
}
client, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
if version, err := client.Version(); err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
} else {
expected_version := []int{1, 0, 0}
version_string := version.Get("Version")
version, err := parseDockerVersion(version_string)
if err != nil {
return fmt.Errorf("couldn't parse docker version: %v", err)
}
for index, number := range version {
if number > expected_version[index] {
break
} else if number < expected_version[index] {
return fmt.Errorf("cAdvisor requires docker version %v or above but we have found version %v reported as \"%v\"", expected_version, version, version_string)
}
}
}
// Check that the libcontainer execdriver is used.
information, err := DockerInfo()
if err != nil {
return fmt.Errorf("failed to detect Docker info: %v", err)
}
execDriver, ok := information["ExecutionDriver"]
if !ok || !strings.HasPrefix(execDriver, "native") {
return fmt.Errorf("docker found, but not using native exec driver")
}
sd, _ := information["Driver"]
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
glog.Infof("Registering Docker factory")
f := &dockerFactory{
machineInfoFactory: factory,
client: client,
storageDriver: storageDriver(sd),
cgroupSubsystems: cgroupSubsystems,
fsInfo: fsInfo,
}
container.RegisterContainerHandlerFactory(f)
return nil
}
func Register(machineInfoFactory info.MachineInfoFactory) error {
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
if len(cgroupSubsystems.Mounts) == 0 {
return fmt.Errorf("failed to find supported cgroup mounts for the raw factory")
}
glog.Infof("Registering Raw factory")
factory := &rawFactory{
machineInfoFactory: machineInfoFactory,
cgroupSubsystems: &cgroupSubsystems,
}
container.RegisterContainerHandlerFactory(factory)
return nil
}
// Register root container before running this function!
func Register(factory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
client, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
dockerInfo, err := ValidateInfo()
if err != nil {
return fmt.Errorf("failed to validate Docker info: %v", err)
}
// Version already validated above, assume no error here.
dockerVersion, _ := parseDockerVersion(dockerInfo.ServerVersion)
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
var thinPoolWatcher *devicemapper.ThinPoolWatcher
if storageDriver(dockerInfo.Driver) == devicemapperStorageDriver {
thinPoolWatcher, err = startThinPoolWatcher(dockerInfo)
if err != nil {
glog.Errorf("devicemapper filesystem stats will not be reported: %v", err)
}
}
glog.Infof("Registering Docker factory")
f := &dockerFactory{
cgroupSubsystems: cgroupSubsystems,
client: client,
dockerVersion: dockerVersion,
fsInfo: fsInfo,
machineInfoFactory: factory,
storageDriver: storageDriver(dockerInfo.Driver),
storageDir: RootDir(),
ignoreMetrics: ignoreMetrics,
thinPoolWatcher: thinPoolWatcher,
}
container.RegisterContainerHandlerFactory(f, []watcher.ContainerWatchSource{watcher.Raw})
return nil
}
// Register root container before running this function!
func Register(factory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
client, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
dockerInfo, err := ValidateInfo()
if err != nil {
return fmt.Errorf("failed to validate Docker info: %v", err)
}
// Version already validated above, assume no error here.
dockerVersion, _ := parseDockerVersion(dockerInfo.ServerVersion)
storageDir := dockerInfo.DockerRootDir
if storageDir == "" {
storageDir = *dockerRootDir
}
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
glog.Infof("Registering Docker factory")
f := &dockerFactory{
cgroupSubsystems: cgroupSubsystems,
client: client,
dockerVersion: dockerVersion,
fsInfo: fsInfo,
machineInfoFactory: factory,
storageDriver: storageDriver(dockerInfo.Driver),
storageDir: storageDir,
ignoreMetrics: ignoreMetrics,
}
container.RegisterContainerHandlerFactory(f)
return nil
}
func NewRawContainerWatcher() (watcher.ContainerWatcher, error) {
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return nil, fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
if len(cgroupSubsystems.Mounts) == 0 {
return nil, fmt.Errorf("failed to find supported cgroup mounts for the raw factory")
}
watcher, err := common.NewInotifyWatcher()
if err != nil {
return nil, err
}
rawWatcher := &rawContainerWatcher{
cgroupPaths: common.MakeCgroupPaths(cgroupSubsystems.MountPoints, "/"),
cgroupSubsystems: &cgroupSubsystems,
watcher: watcher,
stopWatcher: make(chan error),
}
return rawWatcher, nil
}
// Register root container before running this function!
func Register(factory info.MachineInfoFactory, fsInfo fs.FsInfo) error {
client, err := docker.NewClient(*ArgDockerEndpoint)
if err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
if version, err := client.Version(); err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
} else {
expected_version := []int{1, 0, 0}
version_string := version.Get("Version")
version, err := parseDockerVersion(version_string)
if err != nil {
return fmt.Errorf("couldn't parse docker version: %v", err)
}
for index, number := range version {
if number > expected_version[index] {
break
} else if number < expected_version[index] {
return fmt.Errorf("cAdvisor requires docker version %v or above but we have found version %v reported as \"%v\"", expected_version, version, version_string)
}
}
}
// Check that the libcontainer execdriver is used.
information, err := client.Info()
if err != nil {
return fmt.Errorf("failed to detect Docker info: %v", err)
}
usesNativeDriver := false
for _, val := range *information {
if strings.Contains(val, "ExecutionDriver=") && strings.Contains(val, "native") {
usesNativeDriver = true
break
}
}
if !usesNativeDriver {
return fmt.Errorf("docker found, but not using native exec driver")
}
usesAufsDriver := false
for _, val := range *information {
if strings.Contains(val, "Driver=") && strings.Contains(val, "aufs") {
usesAufsDriver = true
break
}
}
if useSystemd {
glog.Infof("System is using systemd")
}
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
glog.Infof("Registering Docker factory")
f := &dockerFactory{
machineInfoFactory: factory,
client: client,
usesAufsDriver: usesAufsDriver,
cgroupSubsystems: cgroupSubsystems,
fsInfo: fsInfo,
}
container.RegisterContainerHandlerFactory(f)
return nil
}
// Register root container before running this function!
func Register(factory info.MachineInfoFactory, fsInfo fs.FsInfo) error {
client, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
var dockerVersion []int
if version, err := client.Version(); err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
} else {
expected_version := []int{1, 0, 0}
version_string := version.Get("Version")
dockerVersion, err = parseDockerVersion(version_string)
if err != nil {
return fmt.Errorf("couldn't parse docker version: %v", err)
}
for index, number := range dockerVersion {
if number > expected_version[index] {
break
} else if number < expected_version[index] {
return fmt.Errorf("cAdvisor requires docker version %v or above but we have found version %v reported as \"%v\"", expected_version, dockerVersion, version_string)
}
}
}
information, err := client.Info()
if err != nil {
return fmt.Errorf("failed to detect Docker info: %v", err)
}
// Check that the libcontainer execdriver is used.
execDriver := information.Get("ExecutionDriver")
if !strings.HasPrefix(execDriver, "native") {
return fmt.Errorf("docker found, but not using native exec driver")
}
sd := information.Get("Driver")
if sd == "" {
return fmt.Errorf("failed to find docker storage driver")
}
storageDir := information.Get("DockerRootDir")
if storageDir == "" {
storageDir = *dockerRootDir
}
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
glog.Infof("Registering Docker factory")
f := &dockerFactory{
cgroupSubsystems: cgroupSubsystems,
client: client,
dockerVersion: dockerVersion,
fsInfo: fsInfo,
machineInfoFactory: factory,
storageDriver: storageDriver(sd),
storageDir: storageDir,
}
container.RegisterContainerHandlerFactory(f)
return nil
}