Matthias Radestock
984cad5b58
Consistency, consistency, consistency: - prefix all log messages with "[net]" - important since the same process acts as both a network and ipam driver - include the API function name in all log messages - log request and response details at debug level - log request summary at info level - log ContainerStarted as a pseudo API function, but only at debug level (since it can be quite high volume) And eliminate some dot imports.
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package plugin
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import (
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"fmt"
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weaveapi "github.com/weaveworks/weave/api"
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"github.com/weaveworks/weave/common/docker"
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)
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const (
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WeaveDomain = "weave.local"
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)
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type watcher struct {
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client *docker.Client
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weave *weaveapi.Client
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driver *driver
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}
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type Watcher interface {
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}
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func NewWatcher(client *docker.Client, weave *weaveapi.Client, driver *driver) (Watcher, error) {
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w := &watcher{client: client, weave: weave, driver: driver}
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return w, client.AddObserver(w)
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}
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func (w *watcher) ContainerStarted(id string) {
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w.driver.debug("ContainerStarted", "%s", id)
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info, err := w.client.InspectContainer(id)
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if err != nil {
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w.driver.warn("ContainerStarted", "error inspecting container %s: %s", id, err)
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return
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}
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// check that it's on our network, via the endpointID
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for _, net := range info.NetworkSettings.Networks {
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if w.driver.HasEndpoint(net.EndpointID) {
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fqdn := fmt.Sprintf("%s.%s", info.Config.Hostname, info.Config.Domainname)
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if err := w.weave.RegisterWithDNS(id, fqdn, net.IPAddress); err != nil {
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w.driver.warn("ContainerStarted", "unable to register %s with weaveDNS: %s", id, err)
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}
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}
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}
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}
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func (w *watcher) ContainerDied(id string) {
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// don't need to do this as WeaveDNS removes names on container died anyway
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// (note by the time we get this event we can't see the EndpointID)
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}
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func (w *watcher) ContainerDestroyed(id string) {}
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