57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
// +build !windows
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package daemon // import "github.com/docker/docker/daemon"
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import (
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/container"
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"github.com/pkg/errors"
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)
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// Resolve Network SandboxID in case the container reuse another container's network stack
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func (daemon *Daemon) getNetworkSandboxID(c *container.Container) (string, error) {
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curr := c
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for curr.HostConfig.NetworkMode.IsContainer() {
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containerID := curr.HostConfig.NetworkMode.ConnectedContainer()
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connected, err := daemon.GetContainer(containerID)
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if err != nil {
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return "", errors.Wrapf(err, "Could not get container for %s", containerID)
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}
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curr = connected
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}
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return curr.NetworkSettings.SandboxID, nil
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}
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func (daemon *Daemon) getNetworkStats(c *container.Container) (map[string]types.NetworkStats, error) {
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sandboxID, err := daemon.getNetworkSandboxID(c)
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if err != nil {
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return nil, err
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}
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sb, err := daemon.netController.SandboxByID(sandboxID)
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if err != nil {
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return nil, err
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}
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lnstats, err := sb.Statistics()
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if err != nil {
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return nil, err
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}
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stats := make(map[string]types.NetworkStats)
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// Convert libnetwork nw stats into api stats
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for ifName, ifStats := range lnstats {
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stats[ifName] = types.NetworkStats{
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RxBytes: ifStats.RxBytes,
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RxPackets: ifStats.RxPackets,
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RxErrors: ifStats.RxErrors,
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RxDropped: ifStats.RxDropped,
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TxBytes: ifStats.TxBytes,
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TxPackets: ifStats.TxPackets,
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TxErrors: ifStats.TxErrors,
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TxDropped: ifStats.TxDropped,
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}
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}
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return stats, nil
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}
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