a0a419614f
/storage returns {device, mountpoint, capacity, usage} for all filesystems.
In addition, it also detect and applies label for each filesystem - currently two - "root", "docker-images".
/storage/<label> returns info about the filesystem with specific label. eg. /storage/root returns info for root filesystem.
69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
// Copyright 2014 Google Inc. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package raw
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/golang/glog"
|
|
"github.com/google/cadvisor/container"
|
|
"github.com/google/cadvisor/container/libcontainer"
|
|
"github.com/google/cadvisor/fs"
|
|
info "github.com/google/cadvisor/info/v1"
|
|
)
|
|
|
|
type rawFactory struct {
|
|
// Factory for machine information.
|
|
machineInfoFactory info.MachineInfoFactory
|
|
|
|
// Information about the cgroup subsystems.
|
|
cgroupSubsystems *libcontainer.CgroupSubsystems
|
|
|
|
// Information about mounted filesystems.
|
|
fsInfo fs.FsInfo
|
|
}
|
|
|
|
func (self *rawFactory) String() string {
|
|
return "raw"
|
|
}
|
|
|
|
func (self *rawFactory) NewContainerHandler(name string) (container.ContainerHandler, error) {
|
|
return newRawContainerHandler(name, self.cgroupSubsystems, self.machineInfoFactory, self.fsInfo)
|
|
}
|
|
|
|
// The raw factory can handle any container.
|
|
func (self *rawFactory) CanHandle(name string) (bool, error) {
|
|
return true, nil
|
|
}
|
|
|
|
func Register(machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo) 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,
|
|
fsInfo: fsInfo,
|
|
cgroupSubsystems: &cgroupSubsystems,
|
|
}
|
|
container.RegisterContainerHandlerFactory(factory)
|
|
return nil
|
|
}
|