func (dc *DockerContainers) Run() error {
containers, err := libdocker.AllInspectedContainers(dc.DockerHost)
if err != nil {
return nil
}
for _, container := range containers {
if container.ID != "" && container.NiceImageName != "" {
dc.Data[container.NiceImageName+"-"+container.ID] = container
}
}
return nil
}
// Run gathers cgroup memory information from cgroup itself.
// If you use container via systemd.slice, you could use
// containerid = docker-<container id>.scope and base=/sys/fs/cgroup/memory/system.slice/
func (m *DockerContainersNetDev) Run() error {
containers, err := libdocker.AllInspectedContainers(m.DockerHost)
if err != nil {
return nil
}
for _, container := range containers {
if container.ID != "" && container.State.Running {
pid := container.State.Pid
data, err := linuxproc.ReadNetworkStat(fmt.Sprintf("/proc/%v/net/dev", pid))
if err == nil {
m.Data[container.NiceImageName+"-"+container.ID] = make(map[string]linuxproc.NetworkStat)
for _, perIface := range data {
m.Data[container.NiceImageName+"-"+container.ID][perIface.Iface] = perIface
}
}
}
}
return nil
}