func handlerOCNReceiver(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
for k, v := range r.Header {
log.Infof(ctx, "%s:%s", k, v)
}
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Errorf(ctx, "ERROR request body read: %s", err)
log.Errorf(ctx, "ERROR task queue add: %s", err)
w.WriteHeader(500)
return
}
log.Infof(ctx, string(body))
if r.Header.Get("X-Goog-Resource-State") == "sync" {
w.WriteHeader(200)
return
}
var m OCNMessage
err = json.NewDecoder(bytes.NewReader(body)).Decode(&m)
if err != nil {
log.Errorf(ctx, "ERROR json decode: %s", err)
log.Errorf(ctx, "ERROR task queue add: %s", err)
w.WriteHeader(500)
return
}
if r.Header.Get("X-Goog-Resource-State") == "exists" {
t := &taskqueue.Task{
Payload: body,
Method: "PULL",
}
_, err = taskqueue.Add(ctx, t, "pull-queue")
if err != nil {
log.Errorf(ctx, "ERROR pull-queue task add: %s", err)
w.WriteHeader(500)
return
}
_, err = taskqueue.Add(ctx,
&taskqueue.Task{
Path: "/api/1/gcemanager",
},
"gce-manager")
if err != nil {
log.Errorf(ctx, "ERROR gce-manager task add: %s", err)
w.WriteHeader(500)
return
}
}
w.WriteHeader(200)
w.Write([]byte("done!"))
}
// Adds a reminder with the given text and due date to the pull queue.
// A reminder will be sent half an hour before the due date
func addReminder(ctx context.Context, item TodoItem) *MaybeError {
maybeBlob := itemToJson(item)
switch (*maybeBlob).(type) {
case Blob:
{
item1 := ([]byte)((*maybeBlob).(Blob))
t := &taskqueue.Task{
Payload: []byte(item1),
Method: "PULL",
}
_, err := taskqueue.Add(ctx, t, "reminders")
if err != nil {
var result = new(MaybeError)
*result = E(err.Error())
return result
}
}
case E:
{
return maybeBlob
}
case TodoItem, Matches, TodoID:
{
var result = new(MaybeError)
*result = E("strange result from JSON encoder")
return result
}
}
var result = new(MaybeError)
*result = Ok{}
return result
}
// Writes them all into a batch queue
func publishAllComplaintsHandler(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
str := ""
s, e, _ := widget.FormValueDateRange(r)
days := date.IntermediateMidnights(s.Add(-1*time.Second), e) // decrement start, to include it
url := "/backend/publish-complaints"
for i, day := range days {
dayStr := day.Format("2006.01.02")
thisUrl := fmt.Sprintf("%s?datestring=%s", url, dayStr)
if r.FormValue("skipload") != "" {
thisUrl += "&skipload=" + r.FormValue("skipload")
}
t := taskqueue.NewPOSTTask(thisUrl, map[string][]string{})
// Give ourselves time to get all these tasks posted, and stagger them out a bit
t.Delay = time.Minute + time.Duration(i)*15*time.Second
if _, err := taskqueue.Add(ctx, t, "batch"); err != nil {
log.Errorf(ctx, "publishAllComplaintsHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
str += " * posting for " + thisUrl + "\n"
}
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte(fmt.Sprintf("OK, enqueued %d\n--\n%s", len(days), str)))
}
// Grab all users, and enqueue them for batch processing
func upgradeHandler(w http.ResponseWriter, r *http.Request) {
ctx := req2ctx(r)
cdb := complaintdb.NewDB(ctx)
var cps = []types.ComplainerProfile{}
cps, err := cdb.GetAllProfiles()
if err != nil {
cdb.Errorf("upgradeHandler: getallprofiles: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
for _, cp := range cps {
t := taskqueue.NewPOSTTask("/backend/cdb-batch-user", map[string][]string{
"email": {cp.EmailAddress},
})
if _, err := taskqueue.Add(cdb.Ctx(), t, "batch"); err != nil {
cdb.Errorf("upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
cdb.Infof("enqueued %d batch", len(cps))
w.Write([]byte(fmt.Sprintf("OK, enqueued %d", len(cps))))
}
// Schedule schedules a task with lock
func (l *Locker) Schedule(c context.Context, key *datastore.Key, entity Lockable, path string, params url.Values) error {
task := l.NewTask(key, entity, path, params)
// Use same queue that we started on if defined, otherwise use configured default
queue, ok := QueueFromContext(c)
if !ok {
queue = l.DefaultQueue
}
// write the datastore entity and schedule the task within a
// transaction to guarantees that both happen and the entity
// will be committed to the datastore when the task executes but
// the task won't be scheduled if our entity update fails
err := storage.RunInTransaction(c, func(tc context.Context) error {
// TODO: check if entity already exists and handle accordingly
// don't overwrite if already locked for processing
if _, err := storage.Put(tc, key, entity); err != nil {
return err
}
if _, err := taskqueue.Add(tc, task, queue); err != nil {
return err
}
return nil
}, &datastore.TransactionOptions{XG: false, Attempts: 3})
return err
}
func (n *namespace) update(c context.Context, mapper *mapper, key *datastore.Key) error {
queue, ok := locker.QueueFromContext(c)
if !ok {
queue = mapper.config.DefaultQueue
}
// update namespace status within a transaction
return storage.RunInTransaction(c, func(tc context.Context) error {
fresh := new(namespace)
if err := storage.Get(tc, key, fresh); err != nil {
return err
}
// shards can already be processing ahead of this total being written
fresh.ShardsTotal = n.ShardsTotal
// if all shards have completed, schedule namespace/completed to update job
if fresh.ShardsSuccessful == fresh.ShardsTotal {
t := mapper.locker.NewTask(key, fresh, mapper.config.Path+namespaceCompleteURL, nil)
if _, err := taskqueue.Add(tc, t, queue); err != nil {
log.Errorf(c, "add task %s", err.Error())
return err
}
}
if _, err := storage.Put(tc, key, fresh); err != nil {
return err
}
return nil
}, &datastore.TransactionOptions{XG: true})
}
func TestTaskQueue(t *testing.T) {
// Only run the test if APPENGINE_DEV_APPSERVER is explicitly set.
if os.Getenv("APPENGINE_DEV_APPSERVER") == "" {
t.Skip("APPENGINE_DEV_APPSERVER not set")
}
queueNames := []string{
"taskQueueName",
}
ctx, done, err := NewContextOptions(&Options{
TaskQueues: queueNames,
})
queueNames = append(queueNames, "default")
if err != nil {
t.Fatalf("NewContext: %v", err)
}
defer done()
for _, queueName := range queueNames {
_, err = taskqueue.Add(ctx, taskqueue.NewPOSTTask("/worker", url.Values{
"key": {"value"},
}), queueName)
if err != nil {
t.Errorf("Unable to add task to queue - %v", err)
}
if stats, err := taskqueue.QueueStats(ctx, []string{queueName}); err != nil {
t.Errorf("Unable to fetch queue statistics - %v", err)
} else if len(stats) == 0 {
t.Errorf("No stats found for the default taskqueue!")
} else if stats[0].Tasks != 1 {
t.Errorf("Wrong number of tasks found in queue, wanted 1, got %d", stats[0].Tasks)
}
}
}
func notifyShardAsync(c context.Context, shard, changes string, all bool) error {
p := path.Join(config.Prefix, "/task/notify-shard")
t := taskqueue.NewPOSTTask(p, url.Values{
"shard": {shard},
"changes": {changes},
"all": {fmt.Sprintf("%v", all)},
})
_, err := taskqueue.Add(c, t, "")
return err
}
// pingUserAsync creates an async job to send a push notification to user devices.
// sessions are session IDs used to compare against user bookmarks.
// TODO: add ioext support
func pingUserAsync(c context.Context, uid string, sessions []string, all bool) error {
p := path.Join(config.Prefix, "/task/ping-user")
t := taskqueue.NewPOSTTask(p, url.Values{
"uid": {uid},
"sessions": {strings.Join(sessions, " ")},
"all": {fmt.Sprintf("%v", all)},
})
_, err := taskqueue.Add(c, t, "")
return err
}
// pingExtPartyAsync notifies extra parties at config.ExtPingURL about data updates.
func pingExtPartyAsync(c context.Context, key string) error {
if key == "" || config.ExtPingURL == "" {
return nil
}
p := path.Join(config.Prefix, "/task/ping-ext")
t := taskqueue.NewPOSTTask(p, url.Values{
"key": {key},
})
_, err := taskqueue.Add(c, t, "")
return err
}
// This enqueues tasks for each individual day, or flight
func batchFlightScanHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
tags := []string{} //"ADSB"} // Maybe make this configurable ...
n := 0
str := ""
s, e, _ := widget.FormValueDateRange(r)
job := r.FormValue("job")
if job == "" {
http.Error(w, "Missing argument: &job=foo", http.StatusInternalServerError)
}
days := date.IntermediateMidnights(s.Add(-1*time.Second), e) // decrement start, to include it
for _, day := range days {
// Get the keys for all the flights on this day.
fdb := oldfgae.FlightDB{C: oldappengine.NewContext(r)}
dStart, dEnd := date.WindowForTime(day)
dEnd = dEnd.Add(-1 * time.Second)
keys, err := fdb.KeysInTimeRangeByTags(tags, dStart, dEnd)
if err != nil {
log.Errorf(c, "upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
singleFlightUrl := "/backend/fdb-batch/flight"
for _, key := range keys {
str += fmt.Sprintf("Enqueing day=%s: %s?job=%s&key=%s\n",
day.Format("2006.01.02"), singleFlightUrl, job, key.Encode())
t := taskqueue.NewPOSTTask(singleFlightUrl, map[string][]string{
"date": {day.Format("2006.01.02")},
"key": {key.Encode()},
"job": {job},
})
if _, err := taskqueue.Add(c, t, "batch"); err != nil {
log.Errorf(c, "upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
n++
}
}
log.Infof(c, "enqueued %d batch items for '%s'", n, job)
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte(fmt.Sprintf("OK, batch, enqueued %d tasks for %s\n%s", n, job, str)))
}
func addTaskHandler(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
// [START adding_tasks_to_a_pull_queue]
t := &taskqueue.Task{
Payload: []byte("hello world"),
Method: "PULL",
}
_, err := taskqueue.Add(ctx, t, "pull-queue")
// [END adding_tasks_to_a_pull_queue]
_ = err
// [START leasing_tasks_1]
tasks, err := taskqueue.Lease(ctx, 100, "pull-queue", 3600)
// [END leasing_tasks_1]
// [START leasing_tasks_2]
_, err = taskqueue.Add(ctx, &taskqueue.Task{
Payload: []byte("parse"), Method: "PULL", Tag: "parse",
}, "pull-queue")
_, err = taskqueue.Add(ctx, &taskqueue.Task{
Payload: []byte("render"), Method: "PULL", Tag: "render",
}, "pull-queue")
// leases render tasks, but not parse
tasks, err = taskqueue.LeaseByTag(ctx, 100, "pull-queue", 3600, "render")
// Leases up to 100 tasks that have same tag.
// Tag is that of "oldest" task by ETA.
tasks, err = taskqueue.LeaseByTag(ctx, 100, "pull-queue", 3600, "")
// [END leasing_tasks_2]
// [START deleting_tasks_1]
tasks, err = taskqueue.Lease(ctx, 100, "pull-queue", 3600)
// Perform some work with the tasks here
taskqueue.DeleteMulti(ctx, tasks, "pull-queue")
// [END deleting_tasks_1]
}
// Dequeue a single day, and enqueue a job for each flight on that day
func batchFlightDayHandler(w http.ResponseWriter, r *http.Request) {
ctx := req2ctx(r)
tags := []string{} //"ADSB"} // Maybe make this configurable ...
n := 0
str := ""
job := r.FormValue("job")
if job == "" {
http.Error(w, "Missing argument: &job=foo", http.StatusInternalServerError)
}
day := date.ArbitraryDatestring2MidnightPdt(r.FormValue("day"), "2006/01/02")
fdb := oldfgae.NewDB(r)
dStart, dEnd := date.WindowForTime(day)
dEnd = dEnd.Add(-1 * time.Second)
keys, err := fdb.KeysInTimeRangeByTags(tags, dStart, dEnd)
if err != nil {
log.Errorf(ctx, "upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
singleFlightUrl := "/backend/fdb-batch/flight"
for _, key := range keys {
str += fmt.Sprintf("Enqueing day=%s: %s?job=%s&key=%s\n",
day.Format("2006.01.02"), singleFlightUrl, job, key.Encode())
if r.FormValue("dryrun") == "" {
t := taskqueue.NewPOSTTask(singleFlightUrl, map[string][]string{
// "date": {day.Format("2006.01.02")},
"key": {key.Encode()},
"job": {job},
})
if _, err := taskqueue.Add(ctx, t, "batch"); err != nil {
log.Errorf(ctx, "upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
n++
}
log.Infof(ctx, "enqueued %d batch items for '%s'", n, job)
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte(fmt.Sprintf("OK, batch, enqueued %d tasks for %s\n%s", n, job, str)))
}
// notifySubscriberAsync creates an async job to begin notify subscribers.
func notifySubscribersAsync(c context.Context, d *dataChanges, all bool) error {
changes, err := json.Marshal(d)
if err != nil {
return err
}
p := path.Join(config.Prefix, "/task/notify-subscribers")
t := taskqueue.NewPOSTTask(p, url.Values{
"changes": {string(changes)},
"all": {fmt.Sprintf("%v", all)},
})
_, err = taskqueue.Add(c, t, "")
return err
}
func someRequest(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
// Perform asynchronous requests to update counter.
// (missing error handling here.)
t := taskqueue.NewPOSTTask("/_ah/counter", map[string][]string{
"counter_name": {"someRequest"},
})
taskqueue.Add(ctx, t, "")
// temporarily use a new namespace
{
ctx, err := appengine.Namespace(ctx, "-global-")
if err != nil {
// ... handle err
}
taskqueue.Add(ctx, t, "")
}
io.WriteString(w, "Counters will be updated.\n")
}
// PushTask to push a task into the queue.
func (queue *PushQueue) PushTask(req *wcg.Request, urlPath string, form url.Values) error {
var queueName string
if req.IsTest() || lib.IsOnLocalGAE() {
queueName = "default"
} else {
queueName = queue.Name
}
if _, err := taskqueue.Add(gae.NewContext(req), taskqueue.NewPOSTTask(urlPath, form), queueName); err != nil {
req.Logger.Errorf("[Queue] Error adding a task (%s) into the queue (%q): %v", urlPath, queueName, err)
return err
}
return nil
}
func example() {
var ctx context.Context
// [START transactional_task_enqueuing]
datastore.RunInTransaction(ctx, func(ctx context.Context) error {
t := &taskqueue.Task{Path: "/path/to/worker"}
if _, err := taskqueue.Add(ctx, t, ""); err != nil {
return err
}
// ...
return nil
}, nil)
// [END transactional_task_enqueuing]
}
// notifySubscriberAsync creates an async job to begin notify subscribers.
func notifySubscribersAsync(c context.Context, d *dataChanges, all bool) error {
skeys := make([]string, 0, len(d.Sessions))
for id, _ := range d.Sessions {
skeys = append(skeys, id)
}
p := path.Join(config.Prefix, "/task/notify-subscribers")
// TODO: add ioext to the payload
t := taskqueue.NewPOSTTask(p, url.Values{
"sessions": {strings.Join(skeys, " ")},
"all": {fmt.Sprintf("%v", all)},
})
_, err := taskqueue.Add(c, t, "")
return err
}
// submitSurveyAsync schedules an async job to submit feedback survey s for session sid.
func submitSurveyAsync(c context.Context, sid string, s *sessionSurvey) error {
payload, err := json.Marshal(s)
if err != nil {
return err
}
t := &taskqueue.Task{
Path: path.Join(config.Prefix, "/task/survey", sid),
Payload: payload,
Header: http.Header{"Content-Type": {"application/json"}},
Method: "POST",
}
_, err = taskqueue.Add(c, t, "")
return err
}
func notifyUserAsync(c context.Context, uid, shard string, m *pushMessage) error {
p := path.Join(config.Prefix, "/task/notify-user")
msg, err := json.Marshal(m)
if err != nil {
return err
}
t := taskqueue.NewPOSTTask(p, url.Values{
"uid": {uid},
"shard": {shard},
"message": {string(msg)},
})
_, err = taskqueue.Add(c, t, "")
return err
}
// scheduleRangeSync schedule a new run of a key range sync using appengine/taskqueue.
func scheduleRangeSync(c context.Context, w http.ResponseWriter, start, end *datastore.Key, proj, dataset, exclude, queue string) error {
queue = strings.Trim(queue, " \n\t")
path := "/bq/sync/range?startKey=%s&endKey=%s&project=%s&dataset=%s&exclude=%s&queue=%s"
url := fmt.Sprintf(path, encodeKey(start), encodeKey(end), proj, dataset, exclude, queue)
t := &taskqueue.Task{
Path: url,
Method: "GET",
}
t, err := taskqueue.Add(c, t, queue)
if err != nil {
return err
}
infof(c, w, "Schedule range [%s,%s]\n", start, end)
return nil
}
func (it *iterator) completed(c context.Context, mapper *mapper, key *datastore.Key) error {
// mark iterator as complete
it.complete()
// update iterator status and job within a transaction
queue, ok := locker.QueueFromContext(c)
if !ok {
queue = mapper.config.DefaultQueue
}
fresh := new(iterator)
jobKey := it.jobKey(c, *mapper.config)
job := new(job)
return storage.RunInTransaction(c, func(tc context.Context) error {
keys := []*datastore.Key{key, jobKey}
vals := []interface{}{fresh, job}
if err := storage.GetMulti(tc, keys, vals); err != nil {
return err
}
if job.Abort {
return nil
}
fresh.copyFrom(*it)
fresh.Lock.Complete()
job.NamespacesTotal += int(it.Count)
job.Iterating = false
// only the iterator walltime is rolled up into the job counts
job.WallTime += it.WallTime
// it's unlikely (but possible) that the shards and namespaces completed
// before this task so handle case that job is now also fully complete
if job.NamespacesSuccessful == job.NamespacesTotal && !job.Iterating {
t := mapper.locker.NewTask(jobKey, job, mapper.config.Path+jobCompleteURL, nil)
if _, err := taskqueue.Add(tc, t, queue); err != nil {
return err
}
}
if _, err := storage.PutMulti(tc, keys, vals); err != nil {
return err
}
return nil
}, &datastore.TransactionOptions{XG: true})
}
func CallMinecraftTQ(c context.Context, minecraftKey *datastore.Key, operationID string) (*taskqueue.Task, error) {
log.Infof(c, "Call Minecraft TQ, key = %v, operationID = %s", minecraftKey, operationID)
if minecraftKey == nil {
return nil, errors.New("key is required")
}
if len(operationID) < 1 {
return nil, errors.New("operationID is required")
}
t := taskqueue.NewPOSTTask("/tq/1/minecraft", url.Values{
"keyStr": {minecraftKey.Encode()},
"operationID": {operationID},
})
t.Delay = time.Second * 30
return taskqueue.Add(c, t, "minecraft")
}
func (a *ServerTQApi) CallDeleteInstance(c context.Context, minecraftKey *datastore.Key, operationID string, latestSnapshot string) (*taskqueue.Task, error) {
log.Infof(c, "Call Minecraft TQ, key = %v, operationID = %s", minecraftKey, operationID)
if minecraftKey == nil {
return nil, errors.New("key is required")
}
if len(operationID) < 1 {
return nil, errors.New("operationID is required")
}
t := taskqueue.NewPOSTTask("/tq/1/server/instance/delete", url.Values{
"keyStr": {minecraftKey.Encode()},
"operationID": {operationID},
"latestSnapshot": {latestSnapshot},
})
t.Delay = time.Second * 30
return taskqueue.Add(c, t, "minecraft")
}
func callbackHandler(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
chi, err := strconv.ParseInt(os.Getenv("CHANNEL_ID"), 10, 64)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
chs := os.Getenv("CHANNEL_SECRET")
mid := os.Getenv("MID")
bot, err := linebot.NewClient(chi, chs, mid)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
received, err := bot.ParseRequest(r)
if err != nil {
if err == linebot.ErrInvalidSignature {
w.WriteHeader(http.StatusBadRequest)
} else {
w.WriteHeader(http.StatusInternalServerError)
}
return
}
for _, result := range received.Results {
content := result.Content()
if content != nil && content.IsMessage && content.ContentType == linebot.ContentTypeText {
text, _ := content.TextContent()
log.Debugf(ctx, "id: %s, text: %s, from: %s, to: %v", content.ID, text.Text, text.From, text.To)
values := url.Values{}
values.Set("to", text.From)
values.Set("text", text.Text)
t := taskqueue.NewPOSTTask(TEXT_URI, values)
_, err = taskqueue.Add(ctx, t, TEXT_MESSAGE_QUEUE)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
}
}
w.WriteHeader(http.StatusOK)
}
func f(ctx context.Context) {
err := datastore.RunInTransaction(ctx, func(ctx context.Context) error {
t := taskqueue.NewPOSTTask("/worker", url.Values{
// ...
})
// Use the transaction's context when invoking taskqueue.Add.
_, err := taskqueue.Add(ctx, t, "")
if err != nil {
// Handle error
}
// ...
return nil
}, nil)
if err != nil {
// Handle error
}
// ...
}
// Enqueues one 'day' task per day in the range
func batchFlightDateRangeHandler(w http.ResponseWriter, r *http.Request) {
ctx := req2ctx(r)
n := 0
str := ""
s, e, _ := widget.FormValueDateRange(r)
job := r.FormValue("job")
if job == "" {
http.Error(w, "Missing argument: &job=foo", http.StatusInternalServerError)
return
}
str += fmt.Sprintf("** s: %s\n** e: %s\n", s, e)
days := date.IntermediateMidnights(s.Add(-1*time.Second), e) // decrement start, to include it
for _, day := range days {
dayUrl := "/backend/fdb-batch/day"
dayStr := day.Format("2006/01/02")
str += fmt.Sprintf(" * adding %s, %s via %s\n", job, dayStr, dayUrl)
if r.FormValue("dryrun") == "" {
t := taskqueue.NewPOSTTask(dayUrl, map[string][]string{
"day": {dayStr},
"job": {job},
})
if _, err := taskqueue.Add(ctx, t, "batch"); err != nil {
log.Errorf(ctx, "upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
n++
}
log.Infof(ctx, "enqueued %d batch items for '%s'", n, job)
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte(fmt.Sprintf("OK, batch, enqueued %d tasks for %s\n%s", n, job, str)))
}
// AddToSearchIndex adds an Item to the search index.
// To current implementation uses task queues so this operation will
// be executed in the background
func AddToSearchIndex(con *data.Context, i data.Item) {
// We'll update the search index next
// FIRST: Store the HTML of the item in the memcache.
// We do that because it is often larger than the maximum
// task size allowed at the GAE.
memI := &memcache.Item{
Key: i.DSKey,
Value: []byte(i.HTMLforSearch),
}
if err := memcache.Set(con.C, memI); err != nil {
con.Log.Infof("Error while storing the search HTML in the memcache for URL %v", i.URL)
}
// SECOND: Put the search index update task in the queue
task := taskqueue.NewPOSTTask("/t/search/add_to_index", itemToSearchIndexTask(i))
if _, err := taskqueue.Add(con.C, task, "search-index"); err != nil {
con.Log.Errorf("Error while triggering the add to index: %v", err)
}
}
func (n *namespace) completed(c context.Context, mapper *mapper, key *datastore.Key) error {
n.complete()
// update namespace status and job within a transaction
queue, ok := locker.QueueFromContext(c)
if !ok {
queue = mapper.config.DefaultQueue
}
fresh := new(namespace)
jobKey := n.jobKey(c, *mapper.config)
job := new(job)
return storage.RunInTransaction(c, func(tc context.Context) error {
keys := []*datastore.Key{key, jobKey}
vals := []interface{}{fresh, job}
if err := storage.GetMulti(tc, keys, vals); err != nil {
return err
}
if job.Abort {
return nil
}
fresh.copyFrom(*n)
fresh.Lock.Complete()
job.NamespacesSuccessful++
job.common.rollup(n.common)
if job.NamespacesSuccessful == job.NamespacesTotal && !job.Iterating {
t := mapper.locker.NewTask(jobKey, job, mapper.config.Path+jobCompleteURL, nil)
if _, err := taskqueue.Add(tc, t, queue); err != nil {
return err
}
}
if _, err := storage.PutMulti(tc, keys, vals); err != nil {
return err
}
return nil
}, &datastore.TransactionOptions{XG: true})
}
func (s *shard) completed(c context.Context, mapper *mapper, key *datastore.Key) error {
s.complete()
s.Cursor = ""
// update shard status and owning namespace within a transaction
queue, ok := locker.QueueFromContext(c)
if !ok {
queue = mapper.config.DefaultQueue
}
fresh := new(shard)
nsKey := s.namespaceKey(c, *mapper.config)
ns := new(namespace)
return storage.RunInTransaction(c, func(tc context.Context) error {
keys := []*datastore.Key{key, nsKey}
vals := []interface{}{fresh, ns}
if err := storage.GetMulti(tc, keys, vals); err != nil {
return err
}
fresh.copyFrom(*s)
fresh.Lock.Complete()
ns.ShardsSuccessful++
ns.common.rollup(s.common)
// if all shards have completed, schedule namespace/completed to update job
if ns.ShardsSuccessful == ns.ShardsTotal {
t := mapper.locker.NewTask(nsKey, ns, mapper.config.Path+namespaceCompleteURL, nil)
if _, err := taskqueue.Add(tc, t, queue); err != nil {
return err
}
}
if _, err := storage.PutMulti(tc, keys, vals); err != nil {
return err
}
return nil
}, &datastore.TransactionOptions{XG: true})
}
