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moby--moby
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Remove engine usage for events 

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2015-04-03 15:17:49 -07:00 committed by Alexandr Morozov
parent 868f56e083
commit c9eb37f975
11 changed files with 123 additions and 74 deletions
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106
api/server/server.go
View File

@ -3,6 +3,7 @@ package server
import (
"bufio"
"bytes"
"time"
"encoding/base64"
"encoding/json"
@ -23,7 +24,9 @@ import (
"github.com/docker/docker/daemon"
"github.com/docker/docker/daemon/networkdriver/bridge"
"github.com/docker/docker/engine"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/docker/docker/pkg/parsers"
"github.com/docker/docker/pkg/parsers/filters"
"github.com/docker/docker/pkg/stdcopy"
"github.com/docker/docker/pkg/streamformatter"
"github.com/docker/docker/pkg/version"
@ -324,13 +327,104 @@ func getEvents(eng *engine.Engine, version version.Version, w http.ResponseWrite
if err := parseForm(r); err != nil {
return err
}
var since int64 = -1
if r.Form.Get("since") != "" {
s, err := strconv.ParseInt(r.Form.Get("since"), 10, 64)
if err != nil {
return err
}
since = s
}
var job = eng.Job("events")
streamJSON(job, w, true)
job.Setenv("since", r.Form.Get("since"))
job.Setenv("until", r.Form.Get("until"))
job.Setenv("filters", r.Form.Get("filters"))
return job.Run()
var until int64 = -1
if r.Form.Get("until") != "" {
u, err := strconv.ParseInt(r.Form.Get("until"), 10, 64)
if err != nil {
return err
}
until = u
}
timer := time.NewTimer(0)
timer.Stop()
if until > 0 {
dur := time.Unix(until, 0).Sub(time.Now())
timer = time.NewTimer(dur)
}
ef, err := filters.FromParam(r.Form.Get("filters"))
if err != nil {
return err
}
isFiltered := func(field string, filter []string) bool {
if len(filter) == 0 {
return false
}
for _, v := range filter {
if v == field {
return false
}
if strings.Contains(field, ":") {
image := strings.Split(field, ":")
if image[0] == v {
return false
}
}
}
return true
}
d := getDaemon(eng)
es := d.EventsService
w.Header().Set("Content-Type", "application/json")
enc := json.NewEncoder(utils.NewWriteFlusher(w))
getContainerId := func(cn string) string {
c, err := d.Get(cn)
if err != nil {
return ""
}
return c.ID
}
sendEvent := func(ev *jsonmessage.JSONMessage) error {
//incoming container filter can be name,id or partial id, convert and replace as a full container id
for i, cn := range ef["container"] {
ef["container"][i] = getContainerId(cn)
}
if isFiltered(ev.Status, ef["event"]) || isFiltered(ev.From, ef["image"]) ||
isFiltered(ev.ID, ef["container"]) {
return nil
}
return enc.Encode(ev)
}
current, l := es.Subscribe()
defer es.Evict(l)
for _, ev := range current {
if ev.Time < since {
continue
}
if err := sendEvent(ev); err != nil {
return err
}
}
for {
select {
case ev := <-l:
jev, ok := ev.(*jsonmessage.JSONMessage)
if !ok {
continue
}
if err := sendEvent(jev); err != nil {
return err
}
case <-timer.C:
return nil
}
}
}
func getImagesHistory(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {

41
api/server/server_unit_test.go
View File

@ -250,47 +250,6 @@ func TestGetContainersByName(t *testing.T) {
}
}
func TestGetEvents(t *testing.T) {
eng := engine.New()
var called bool
eng.Register("events", func(job *engine.Job) error {
called = true
since := job.Getenv("since")
if since != "1" {
t.Fatalf("'since' should be 1, found %#v instead", since)
}
until := job.Getenv("until")
if until != "0" {
t.Fatalf("'until' should be 0, found %#v instead", until)
}
v := &engine.Env{}
v.Set("since", since)
v.Set("until", until)
if _, err := v.WriteTo(job.Stdout); err != nil {
return err
}
return nil
})
r := serveRequest("GET", "/events?since=1&until=0", nil, eng, t)
if !called {
t.Fatal("handler was not called")
}
assertContentType(r, "application/json", t)
var stdoutJSON struct {
Since int
Until int
}
if err := json.Unmarshal(r.Body.Bytes(), &stdoutJSON); err != nil {
t.Fatal(err)
}
if stdoutJSON.Since != 1 {
t.Errorf("since != 1: %#v", stdoutJSON.Since)
}
if stdoutJSON.Until != 0 {
t.Errorf("until != 0: %#v", stdoutJSON.Until)
}
}
func TestLogs(t *testing.T) {
eng := engine.New()
var inspect bool

4
builtins/builtins.go
View File

@ -8,7 +8,6 @@ import (
"github.com/docker/docker/autogen/dockerversion"
"github.com/docker/docker/daemon/networkdriver/bridge"
"github.com/docker/docker/engine"
"github.com/docker/docker/events"
"github.com/docker/docker/pkg/parsers/kernel"
)
@ -19,9 +18,6 @@ func Register(eng *engine.Engine) error {
if err := remote(eng); err != nil {
return err
}
if err := events.New().Install(eng); err != nil {
return err
}
if err := eng.Register("version", dockerVersion); err != nil {
return err
}

8
daemon/container.go
View File

@ -200,9 +200,11 @@ func (container *Container) WriteHostConfig() error {
func (container *Container) LogEvent(action string) {
d := container.daemon
if err := d.eng.Job("log", action, container.ID, d.Repositories().ImageName(container.ImageID)).Run(); err != nil {
logrus.Errorf("Error logging event %s for %s: %s", action, container.ID, err)
}
d.EventsService.Log(
action,
container.ID,
d.Repositories().ImageName(container.ImageID),
)
}
func (container *Container) getResourcePath(path string) (string, error) {

6
daemon/daemon.go
View File

@ -19,6 +19,7 @@ import (
"github.com/Sirupsen/logrus"
"github.com/docker/docker/api"
"github.com/docker/docker/autogen/dockerversion"
"github.com/docker/docker/daemon/events"
"github.com/docker/docker/daemon/execdriver"
"github.com/docker/docker/daemon/execdriver/execdrivers"
"github.com/docker/docker/daemon/execdriver/lxc"
@ -109,6 +110,7 @@ type Daemon struct {
statsCollector *statsCollector
defaultLogConfig runconfig.LogConfig
RegistryService *registry.Service
EventsService *events.Events
}
// Install installs daemon capabilities to eng.
@ -932,8 +934,9 @@ func NewDaemonFromDirectory(config *Config, eng *engine.Engine, registryService
return nil, err
}
eventsService := events.New()
logrus.Debug("Creating repository list")
repositories, err := graph.NewTagStore(path.Join(config.Root, "repositories-"+driver.String()), g, trustKey, registryService)
repositories, err := graph.NewTagStore(path.Join(config.Root, "repositories-"+driver.String()), g, trustKey, registryService, eventsService)
if err != nil {
return nil, fmt.Errorf("Couldn't create Tag store: %s", err)
}
@ -1025,6 +1028,7 @@ func NewDaemonFromDirectory(config *Config, eng *engine.Engine, registryService
statsCollector: newStatsCollector(1 * time.Second),
defaultLogConfig: config.LogConfig,
RegistryService: registryService,
EventsService: eventsService,
}
eng.OnShutdown(func() {

3
daemon/image_delete.go
View File

@ -108,7 +108,7 @@ func (daemon *Daemon) DeleteImage(eng *engine.Engine, name string, list *[]types
*list = append(*list, types.ImageDelete{
Untagged: utils.ImageReference(repoName, tag),
})
eng.Job("log", "untag", img.ID, "").Run()
daemon.EventsService.Log("untag", img.ID, "")
}
}
tags = daemon.Repositories().ByID()[img.ID]
@ -123,6 +123,7 @@ func (daemon *Daemon) DeleteImage(eng *engine.Engine, name string, list *[]types
*list = append(*list, types.ImageDelete{
Deleted: img.ID,
})
daemon.EventsService.Log("delete", img.ID, "")
eng.Job("log", "delete", img.ID, "").Run()
if img.Parent != "" && !noprune {
err := daemon.DeleteImage(eng, img.Parent, list, false, force, noprune)

7
daemon/info.go
View File

@ -51,11 +51,6 @@ func (daemon *Daemon) CmdInfo(job *engine.Job) error {
initPath = daemon.SystemInitPath()
}
cjob := job.Eng.Job("subscribers_count")
env, _ := cjob.Stdout.AddEnv()
if err := cjob.Run(); err != nil {
return err
}
v := &engine.Env{}
v.SetJson("ID", daemon.ID)
v.SetInt("Containers", len(daemon.List()))
@ -71,7 +66,7 @@ func (daemon *Daemon) CmdInfo(job *engine.Job) error {
v.Set("SystemTime", time.Now().Format(time.RFC3339Nano))
v.Set("ExecutionDriver", daemon.ExecutionDriver().Name())
v.Set("LoggingDriver", daemon.defaultLogConfig.Type)
v.SetInt("NEventsListener", env.GetInt("count"))
v.SetInt("NEventsListener", daemon.EventsService.SubscribersCount())
v.Set("KernelVersion", kernelVersion)
v.Set("OperatingSystem", operatingSystem)
v.Set("IndexServerAddress", registry.IndexServerAddress())

6
graph/import.go
View File

@ -7,7 +7,6 @@ import (
"net/http"
"net/url"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/engine"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/progressreader"
@ -92,8 +91,7 @@ func (s *TagStore) CmdImport(job *engine.Job) error {
if tag != "" {
logID = utils.ImageReference(logID, tag)
}
if err = job.Eng.Job("log", "import", logID, "").Run(); err != nil {
logrus.Errorf("Error logging event 'import' for %s: %s", logID, err)
}
s.eventsService.Log("import", logID, "")
return nil
}

8
graph/pull.go
View File

@ -85,9 +85,7 @@ func (s *TagStore) CmdPull(job *engine.Job) error {
logrus.Debugf("pulling v2 repository with local name %q", repoInfo.LocalName)
if err := s.pullV2Repository(job.Eng, r, job.Stdout, repoInfo, tag, sf, job.GetenvBool("parallel")); err == nil {
if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
logrus.Errorf("Error logging event 'pull' for %s: %s", logName, err)
}
s.eventsService.Log("pull", logName, "")
return nil
} else if err != registry.ErrDoesNotExist && err != ErrV2RegistryUnavailable {
logrus.Errorf("Error from V2 registry: %s", err)
@ -101,9 +99,7 @@ func (s *TagStore) CmdPull(job *engine.Job) error {
return err
}
if err = job.Eng.Job("log", "pull", logName, "").Run(); err != nil {
logrus.Errorf("Error logging event 'pull' for %s: %s", logName, err)
}
s.eventsService.Log("pull", logName, "")
return nil
}

5
graph/tags.go
View File

@ -13,6 +13,7 @@ import (
"strings"
"sync"
"github.com/docker/docker/daemon/events"
"github.com/docker/docker/image"
"github.com/docker/docker/pkg/parsers"
"github.com/docker/docker/pkg/stringid"
@ -40,6 +41,7 @@ type TagStore struct {
pullingPool map[string]chan struct{}
pushingPool map[string]chan struct{}
registryService *registry.Service
eventsService *events.Events
}
type Repository map[string]string
@ -62,7 +64,7 @@ func (r Repository) Contains(u Repository) bool {
return true
}
func NewTagStore(path string, graph *Graph, key libtrust.PrivateKey, registryService *registry.Service) (*TagStore, error) {
func NewTagStore(path string, graph *Graph, key libtrust.PrivateKey, registryService *registry.Service, eventsService *events.Events) (*TagStore, error) {
abspath, err := filepath.Abs(path)
if err != nil {
return nil, err
@ -76,6 +78,7 @@ func NewTagStore(path string, graph *Graph, key libtrust.PrivateKey, registrySer
pullingPool: make(map[string]chan struct{}),
pushingPool: make(map[string]chan struct{}),
registryService: registryService,
eventsService: eventsService,
}
// Load the json file if it exists, otherwise create it.
if err := store.reload(); os.IsNotExist(err) {

3
graph/tags_unit_test.go
View File

@ -7,6 +7,7 @@ import (
"path"
"testing"
"github.com/docker/docker/daemon/events"
"github.com/docker/docker/daemon/graphdriver"
_ "github.com/docker/docker/daemon/graphdriver/vfs" // import the vfs driver so it is used in the tests
"github.com/docker/docker/image"
@ -59,7 +60,7 @@ func mkTestTagStore(root string, t *testing.T) *TagStore {
if err != nil {
t.Fatal(err)
}
store, err := NewTagStore(path.Join(root, "tags"), graph, nil, nil)
store, err := NewTagStore(path.Join(root, "tags"), graph, nil, nil, events.New())
if err != nil {
t.Fatal(err)
}