81 lines
2.5 KiB
Go
81 lines
2.5 KiB
Go
package daemon
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import (
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"strings"
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"github.com/docker/docker/container"
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"github.com/docker/engine-api/types/events"
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"github.com/docker/libnetwork"
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)
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// LogContainerEvent generates an event related to a container.
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func (daemon *Daemon) LogContainerEvent(container *container.Container, action string) {
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attributes := copyAttributes(container.Config.Labels)
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if container.Config.Image != "" {
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attributes["image"] = container.Config.Image
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}
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attributes["name"] = strings.TrimLeft(container.Name, "/")
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actor := events.Actor{
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ID: container.ID,
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Attributes: attributes,
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}
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daemon.EventsService.Log(action, events.ContainerEventType, actor)
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}
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// LogImageEvent generates an event related to a container.
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func (daemon *Daemon) LogImageEvent(imageID, refName, action string) {
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attributes := map[string]string{}
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img, err := daemon.GetImage(imageID)
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if err == nil && img.Config != nil {
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// image has not been removed yet.
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// it could be missing if the event is `delete`.
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attributes = copyAttributes(img.Config.Labels)
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}
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if refName != "" {
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attributes["name"] = refName
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}
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actor := events.Actor{
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ID: imageID,
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Attributes: attributes,
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}
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daemon.EventsService.Log(action, events.ImageEventType, actor)
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}
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// LogVolumeEvent generates an event related to a volume.
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func (daemon *Daemon) LogVolumeEvent(volumeID, action string, attributes map[string]string) {
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actor := events.Actor{
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ID: volumeID,
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Attributes: attributes,
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}
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daemon.EventsService.Log(action, events.VolumeEventType, actor)
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}
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// LogNetworkEvent generates an event related to a network with only the default attributes.
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func (daemon *Daemon) LogNetworkEvent(nw libnetwork.Network, action string) {
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daemon.LogNetworkEventWithAttributes(nw, action, map[string]string{})
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}
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// LogNetworkEventWithAttributes generates an event related to a network with specific given attributes.
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func (daemon *Daemon) LogNetworkEventWithAttributes(nw libnetwork.Network, action string, attributes map[string]string) {
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attributes["name"] = nw.Name()
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attributes["type"] = nw.Type()
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actor := events.Actor{
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ID: nw.ID(),
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Attributes: attributes,
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}
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daemon.EventsService.Log(action, events.NetworkEventType, actor)
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}
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// copyAttributes guarantees that labels are not mutated by event triggers.
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func copyAttributes(labels map[string]string) map[string]string {
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attributes := map[string]string{}
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if labels == nil {
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return attributes
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}
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for k, v := range labels {
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attributes[k] = v
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}
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return attributes
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}
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