-
Notifications
You must be signed in to change notification settings - Fork 3
/
events.go
81 lines (71 loc) · 2.45 KB
/
events.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
package daemon
import (
"strings"
"github.com/docker/docker/container"
"github.com/docker/engine-api/types/events"
"github.com/docker/libnetwork"
)
// LogContainerEvent generates an event related to a container.
func (daemon *Daemon) LogContainerEvent(container *container.Container, action string) {
attributes := copyAttributes(container.Config.Labels)
if container.Config.Image != "" {
attributes["image"] = container.Config.Image
}
attributes["name"] = strings.TrimLeft(container.Name, "/")
actor := events.Actor{
ID: container.ID,
Attributes: attributes,
}
daemon.EventsService.Log(action, events.ContainerEventType, actor)
}
// LogImageEvent generates an event related to a container.
func (daemon *Daemon) LogImageEvent(imageID, refName, action string) {
attributes := map[string]string{}
img, err := daemon.GetImage(imageID)
if err == nil && img.Config != nil {
// image has not been removed yet.
// it could be missing if the event is `delete`.
attributes = copyAttributes(img.Config.Labels)
}
if refName != "" {
attributes["name"] = refName
}
actor := events.Actor{
ID: imageID,
Attributes: attributes,
}
daemon.EventsService.Log(action, events.ImageEventType, actor)
}
// LogVolumeEvent generates an event related to a volume.
func (daemon *Daemon) LogVolumeEvent(volumeID, action string, attributes map[string]string) {
actor := events.Actor{
ID: volumeID,
Attributes: attributes,
}
daemon.EventsService.Log(action, events.VolumeEventType, actor)
}
// LogNetworkEvent generates an event related to a network with only the default attributes.
func (daemon *Daemon) LogNetworkEvent(nw libnetwork.Network, action string) {
daemon.LogNetworkEventWithAttributes(nw, action, map[string]string{})
}
// LogNetworkEventWithAttributes generates an event related to a network with specific given attributes.
func (daemon *Daemon) LogNetworkEventWithAttributes(nw libnetwork.Network, action string, attributes map[string]string) {
attributes["name"] = nw.Name()
attributes["type"] = nw.Type()
actor := events.Actor{
ID: nw.ID(),
Attributes: attributes,
}
daemon.EventsService.Log(action, events.NetworkEventType, actor)
}
// copyAttributes guarantees that labels are not mutated by event triggers.
func copyAttributes(labels map[string]string) map[string]string {
attributes := map[string]string{}
if labels == nil {
return attributes
}
for k, v := range labels {
attributes[k] = v
}
return attributes
}