86d822a247
* Don't make cors enabled on all (*) by default. * Handle related web.allowedOrigins options * Only the gateway api should be called by a browser so setup the cors handler only on it
269 lines
8.1 KiB
Go
269 lines
8.1 KiB
Go
// Copyright 2019 Sorint.lab
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package runservice
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import (
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"context"
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"crypto/tls"
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"net/http"
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"path/filepath"
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"time"
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scommon "agola.io/agola/internal/common"
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"agola.io/agola/internal/datamanager"
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"agola.io/agola/internal/etcd"
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"agola.io/agola/internal/objectstorage"
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"agola.io/agola/internal/services/config"
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"agola.io/agola/internal/services/runservice/action"
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"agola.io/agola/internal/services/runservice/api"
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"agola.io/agola/internal/services/runservice/common"
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"agola.io/agola/internal/services/runservice/readdb"
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"agola.io/agola/internal/services/runservice/types"
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"agola.io/agola/internal/util"
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"github.com/gorilla/mux"
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etcdclientv3 "go.etcd.io/etcd/clientv3"
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"go.uber.org/zap/zapcore"
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)
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// etcdPingerLoop periodically updates a key.
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// This is used by watchers to inform the client of the current revision
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// this is needed since if other users are updating other unwatched keys on
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// etcd we won't be notified, not updating the known revisions
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// TODO(sgotti) use upcoming etcd 3.4 watch RequestProgress???
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func (s *Runservice) etcdPingerLoop(ctx context.Context) {
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for {
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if err := s.etcdPinger(ctx); err != nil {
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log.Errorf("err: %+v", err)
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}
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select {
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case <-ctx.Done():
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return
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default:
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}
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time.Sleep(1 * time.Second)
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}
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}
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func (s *Runservice) etcdPinger(ctx context.Context) error {
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if _, err := s.e.Put(ctx, common.EtcdPingKey, []byte{}, nil); err != nil {
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return err
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}
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return nil
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}
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type Runservice struct {
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c *config.Runservice
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e *etcd.Store
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ost *objectstorage.ObjStorage
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dm *datamanager.DataManager
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readDB *readdb.ReadDB
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ah *action.ActionHandler
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}
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func NewRunservice(ctx context.Context, c *config.Runservice) (*Runservice, error) {
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if c.Debug {
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level.SetLevel(zapcore.DebugLevel)
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}
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ost, err := scommon.NewObjectStorage(&c.ObjectStorage)
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if err != nil {
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return nil, err
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}
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e, err := scommon.NewEtcd(&c.Etcd, logger, "runservice")
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if err != nil {
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return nil, err
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}
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s := &Runservice{
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c: c,
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e: e,
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ost: ost,
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}
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dmConf := &datamanager.DataManagerConfig{
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BasePath: "rundata",
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E: e,
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OST: ost,
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DataTypes: []string{
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string(common.DataTypeRun),
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string(common.DataTypeRunConfig),
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string(common.DataTypeRunCounter),
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},
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}
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dm, err := datamanager.NewDataManager(ctx, logger, dmConf)
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if err != nil {
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return nil, err
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}
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s.dm = dm
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readDB, err := readdb.NewReadDB(ctx, logger, filepath.Join(c.DataDir, "readdb"), e, ost, dm)
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if err != nil {
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return nil, err
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}
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s.readDB = readDB
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ah := action.NewActionHandler(logger, e, readDB, ost, dm)
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s.ah = ah
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return s, nil
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}
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func (s *Runservice) InitEtcd(ctx context.Context) error {
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// Create changegroup min revision if it doesn't exists
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cmp := []etcdclientv3.Cmp{}
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then := []etcdclientv3.Op{}
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cmp = append(cmp, etcdclientv3.Compare(etcdclientv3.CreateRevision(common.EtcdChangeGroupMinRevisionKey), "=", 0))
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then = append(then, etcdclientv3.OpPut(common.EtcdChangeGroupMinRevisionKey, ""))
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txn := s.e.Client().Txn(ctx).If(cmp...).Then(then...)
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if _, err := txn.Commit(); err != nil {
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return etcd.FromEtcdError(err)
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}
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return nil
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}
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func (s *Runservice) Run(ctx context.Context) error {
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errCh := make(chan error)
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dmReadyCh := make(chan struct{})
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go func() { errCh <- s.dm.Run(ctx, dmReadyCh) }()
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// wait for dm to be ready
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<-dmReadyCh
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for {
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err := s.InitEtcd(ctx)
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if err == nil {
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break
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}
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log.Errorf("failed to initialize etcd: %+v", err)
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time.Sleep(1 * time.Second)
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}
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go func() { errCh <- s.readDB.Run(ctx) }()
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ch := make(chan *types.ExecutorTask)
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// executor dedicated api, only calls from executor should happen on these handlers
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executorStatusHandler := api.NewExecutorStatusHandler(logger, s.e, s.ah)
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executorTaskStatusHandler := api.NewExecutorTaskStatusHandler(s.e, ch)
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executorTaskHandler := api.NewExecutorTaskHandler(s.e)
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executorTasksHandler := api.NewExecutorTasksHandler(s.e)
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archivesHandler := api.NewArchivesHandler(logger, s.ost)
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cacheHandler := api.NewCacheHandler(logger, s.ost)
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cacheCreateHandler := api.NewCacheCreateHandler(logger, s.ost)
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// api from clients
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executorDeleteHandler := api.NewExecutorDeleteHandler(logger, s.ah)
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logsHandler := api.NewLogsHandler(logger, s.e, s.ost, s.dm)
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runHandler := api.NewRunHandler(logger, s.e, s.dm, s.readDB)
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runTaskActionsHandler := api.NewRunTaskActionsHandler(logger, s.ah)
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runsHandler := api.NewRunsHandler(logger, s.readDB)
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runActionsHandler := api.NewRunActionsHandler(logger, s.ah)
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runCreateHandler := api.NewRunCreateHandler(logger, s.ah)
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runEventsHandler := api.NewRunEventsHandler(logger, s.e, s.ost, s.dm)
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changeGroupsUpdateTokensHandler := api.NewChangeGroupsUpdateTokensHandler(logger, s.readDB)
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router := mux.NewRouter()
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apirouter := router.PathPrefix("/api/v1alpha").Subrouter()
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// don't return 404 on a call to an undefined handler but 400 to distinguish between a non existent resource and a wrong method
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apirouter.NotFoundHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusBadRequest) })
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apirouter.Handle("/executor/{executorid}", executorStatusHandler).Methods("POST")
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apirouter.Handle("/executor/{executorid}", executorDeleteHandler).Methods("DELETE")
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apirouter.Handle("/executor/{executorid}/tasks", executorTasksHandler).Methods("GET")
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apirouter.Handle("/executor/{executorid}/tasks/{taskid}", executorTaskHandler).Methods("GET")
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apirouter.Handle("/executor/{executorid}/tasks/{taskid}", executorTaskStatusHandler).Methods("POST")
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apirouter.Handle("/executor/archives", archivesHandler).Methods("GET")
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apirouter.Handle("/executor/caches/{key}", cacheHandler).Methods("HEAD")
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apirouter.Handle("/executor/caches/{key}", cacheHandler).Methods("GET")
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apirouter.Handle("/executor/caches/{key}", cacheCreateHandler).Methods("POST")
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apirouter.Handle("/logs", logsHandler).Methods("GET")
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apirouter.Handle("/runs/events", runEventsHandler).Methods("GET")
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apirouter.Handle("/runs/{runid}", runHandler).Methods("GET")
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apirouter.Handle("/runs/{runid}/actions", runActionsHandler).Methods("PUT")
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apirouter.Handle("/runs/{runid}/tasks/{taskid}/actions", runTaskActionsHandler).Methods("PUT")
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apirouter.Handle("/runs", runsHandler).Methods("GET")
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apirouter.Handle("/runs", runCreateHandler).Methods("POST")
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apirouter.Handle("/changegroups", changeGroupsUpdateTokensHandler).Methods("GET")
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mainrouter := mux.NewRouter()
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mainrouter.PathPrefix("/").Handler(router)
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// Return a bad request when it doesn't match any route
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mainrouter.NotFoundHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusBadRequest) })
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go s.executorTasksCleanerLoop(ctx)
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go s.runsSchedulerLoop(ctx)
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go s.runTasksUpdaterLoop(ctx)
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go s.fetcherLoop(ctx)
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go s.finishedRunsArchiverLoop(ctx)
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go s.compactChangeGroupsLoop(ctx)
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go s.cacheCleanerLoop(ctx, s.c.RunCacheExpireInterval)
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go s.executorTaskUpdateHandler(ctx, ch)
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go s.etcdPingerLoop(ctx)
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var tlsConfig *tls.Config
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if s.c.Web.TLS {
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var err error
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tlsConfig, err = util.NewTLSConfig(s.c.Web.TLSCertFile, s.c.Web.TLSKeyFile, "", false)
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if err != nil {
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log.Errorf("err: %+v")
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return err
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}
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}
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httpServer := http.Server{
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Addr: s.c.Web.ListenAddress,
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Handler: mainrouter,
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TLSConfig: tlsConfig,
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}
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lerrCh := make(chan error)
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go func() {
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lerrCh <- httpServer.ListenAndServe()
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}()
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select {
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case <-ctx.Done():
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log.Infof("runservice scheduler exiting")
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httpServer.Close()
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case err := <-lerrCh:
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if err != nil {
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log.Errorf("http server listen error: %v", err)
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return err
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}
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case err := <-errCh:
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if err != nil {
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log.Errorf("error: %+v", err)
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return err
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}
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}
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return nil
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}
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