Example #1
0
// Get cgroup and networking stats of the specified container
func GetStats(cgroupManager cgroups.Manager, networkInterfaces []string) (*info.ContainerStats, error) {
	cgroupStats, err := cgroupManager.GetStats()
	if err != nil {
		return nil, err
	}
	libcontainerStats := &libcontainer.Stats{
		CgroupStats: cgroupStats,
	}
	stats := toContainerStats(libcontainerStats)

	// TODO(rjnagal): Use networking stats directly from libcontainer.
	stats.Network.Interfaces = make([]info.InterfaceStats, len(networkInterfaces))
	for i := range networkInterfaces {
		interfaceStats, err := sysinfo.GetNetworkStats(networkInterfaces[i])
		if err != nil {
			return stats, err
		}
		stats.Network.Interfaces[i] = interfaceStats
	}
	// For backwards compatability.
	if len(networkInterfaces) > 0 {
		stats.Network.InterfaceStats = stats.Network.Interfaces[0]
	}

	return stats, nil
}
Example #2
0
// Get cgroup and networking stats of the specified container
func GetStats(cgroupManager cgroups.Manager, rootFs string, pid int) (*info.ContainerStats, error) {
	cgroupStats, err := cgroupManager.GetStats()
	if err != nil {
		return nil, err
	}
	libcontainerStats := &libcontainer.Stats{
		CgroupStats: cgroupStats,
	}
	stats := toContainerStats(libcontainerStats)

	// If we know the pid then get network stats from /proc/<pid>/net/dev
	if pid > 0 {
		netStats, err := networkStatsFromProc(rootFs, pid)
		if err != nil {
			glog.V(2).Infof("Unable to get network stats from pid %d: %v", pid, err)
		} else {
			stats.Network.Interfaces = append(stats.Network.Interfaces, netStats...)
		}
	}

	// For backwards compatibility.
	if len(stats.Network.Interfaces) > 0 {
		stats.Network.InterfaceStats = stats.Network.Interfaces[0]
	}

	return stats, nil
}
// Get cgroup and networking stats of the specified container
func GetStats(cgroupManager cgroups.Manager, networkInterfaces []string) (*info.ContainerStats, error) {
	cgroupStats, err := cgroupManager.GetStats()
	if err != nil {
		return nil, err
	}
	libcontainerStats := &libcontainer.Stats{
		CgroupStats: cgroupStats,
	}
	stats := toContainerStats(libcontainerStats)

	if len(networkInterfaces) != 0 {
		// ContainerStats only reports stat for one network device.
		// TODO(rjnagal): Handle multiple physical network devices.
		// TODO(rjnagal): Use networking stats directly from libcontainer.
		stats.Network, err = sysinfo.GetNetworkStats(networkInterfaces[0])
		if err != nil {
			return stats, err
		}
	}
	return stats, nil
}
Example #4
0
// Get cgroup and networking stats of the specified container
func GetStats(cgroupManager cgroups.Manager, networkInterfaces []string, pid int) (*info.ContainerStats, error) {
	cgroupStats, err := cgroupManager.GetStats()
	if err != nil {
		return nil, err
	}
	libcontainerStats := &libcontainer.Stats{
		CgroupStats: cgroupStats,
	}
	stats := toContainerStats(libcontainerStats)

	// TODO(rjnagal): Use networking stats directly from libcontainer.
	stats.Network.Interfaces = make([]info.InterfaceStats, len(networkInterfaces))
	for i := range networkInterfaces {
		interfaceStats, err := sysinfo.GetNetworkStats(networkInterfaces[i])
		if err != nil {
			return stats, err
		}
		stats.Network.Interfaces[i] = interfaceStats
	}

	// If we know the pid & we haven't discovered any network interfaces yet
	// try the network namespace.
	if pid > 0 && len(stats.Network.Interfaces) == 0 {
		nsStats, err := networkStatsFromNs(pid)
		if err != nil {
			glog.V(2).Infof("Unable to get network stats from pid %d: %v", pid, err)
		} else {
			stats.Network.Interfaces = append(stats.Network.Interfaces, nsStats...)
		}
	}

	// For backwards compatibility.
	if len(stats.Network.Interfaces) > 0 {
		stats.Network.InterfaceStats = stats.Network.Interfaces[0]
	}

	return stats, nil
}