forked from vmware-archive/atc
/
db_worker_provider.go
200 lines (173 loc) · 5.49 KB
/
db_worker_provider.go
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package worker
import (
"errors"
"net/http"
"time"
"code.cloudfoundry.org/clock"
gclient "code.cloudfoundry.org/garden/client"
"code.cloudfoundry.org/lager"
"github.com/concourse/atc/db/lock"
"github.com/concourse/atc/worker/transport"
bclient "github.com/concourse/baggageclaim/client"
"github.com/concourse/retryhttp"
"github.com/cppforlife/go-semi-semantic/version"
"github.com/concourse/atc/db"
)
var ErrDesiredWorkerNotRunning = errors.New("desired garden worker is not known to be running")
type dbWorkerProvider struct {
lockFactory lock.LockFactory
retryBackOffFactory retryhttp.BackOffFactory
imageFactory ImageFactory
dbResourceCacheFactory db.ResourceCacheFactory
dbResourceConfigFactory db.ResourceConfigFactory
dbWorkerBaseResourceTypeFactory db.WorkerBaseResourceTypeFactory
dbWorkerTaskCacheFactory db.WorkerTaskCacheFactory
dbVolumeFactory db.VolumeFactory
dbTeamFactory db.TeamFactory
dbWorkerFactory db.WorkerFactory
workerVersion *version.Version
}
func NewDBWorkerProvider(
lockFactory lock.LockFactory,
retryBackOffFactory retryhttp.BackOffFactory,
imageFactory ImageFactory,
dbResourceCacheFactory db.ResourceCacheFactory,
dbResourceConfigFactory db.ResourceConfigFactory,
dbWorkerBaseResourceTypeFactory db.WorkerBaseResourceTypeFactory,
dbWorkerTaskCacheFactory db.WorkerTaskCacheFactory,
dbVolumeFactory db.VolumeFactory,
dbTeamFactory db.TeamFactory,
workerFactory db.WorkerFactory,
workerVersion *version.Version,
) WorkerProvider {
return &dbWorkerProvider{
lockFactory: lockFactory,
retryBackOffFactory: retryBackOffFactory,
imageFactory: imageFactory,
dbResourceCacheFactory: dbResourceCacheFactory,
dbResourceConfigFactory: dbResourceConfigFactory,
dbWorkerBaseResourceTypeFactory: dbWorkerBaseResourceTypeFactory,
dbWorkerTaskCacheFactory: dbWorkerTaskCacheFactory,
dbVolumeFactory: dbVolumeFactory,
dbTeamFactory: dbTeamFactory,
dbWorkerFactory: workerFactory,
workerVersion: workerVersion,
}
}
func (provider *dbWorkerProvider) RunningWorkers(logger lager.Logger) ([]Worker, error) {
savedWorkers, err := provider.dbWorkerFactory.Workers()
if err != nil {
return nil, err
}
tikTok := clock.NewClock()
workers := []Worker{}
for _, savedWorker := range savedWorkers {
if savedWorker.State() != db.WorkerStateRunning {
continue
}
workerLog := logger.Session("running-worker")
worker := provider.newGardenWorker(workerLog, tikTok, savedWorker)
if !worker.IsVersionCompatible(workerLog, provider.workerVersion) {
continue
}
workers = append(workers, worker)
}
return workers, nil
}
func (provider *dbWorkerProvider) FindWorkerForContainerByOwner(
logger lager.Logger,
teamID int,
owner db.ContainerOwner,
) (Worker, bool, error) {
logger = logger.Session("worker-for-container")
team := provider.dbTeamFactory.GetByID(teamID)
dbWorker, found, err := team.FindWorkerForContainerByOwner(owner)
if err != nil {
return nil, false, err
}
if !found {
return nil, false, nil
}
worker := provider.newGardenWorker(logger, clock.NewClock(), dbWorker)
if !worker.IsVersionCompatible(logger, provider.workerVersion) {
return nil, false, nil
}
return worker, true, err
}
func (provider *dbWorkerProvider) FindWorkerForContainer(
logger lager.Logger,
teamID int,
handle string,
) (Worker, bool, error) {
logger = logger.Session("worker-for-container")
team := provider.dbTeamFactory.GetByID(teamID)
dbWorker, found, err := team.FindWorkerForContainer(handle)
if err != nil {
return nil, false, err
}
if !found {
return nil, false, nil
}
worker := provider.newGardenWorker(logger, clock.NewClock(), dbWorker)
if !worker.IsVersionCompatible(logger, provider.workerVersion) {
return nil, false, nil
}
return worker, true, err
}
func (provider *dbWorkerProvider) newGardenWorker(logger lager.Logger, tikTok clock.Clock, savedWorker db.Worker) Worker {
gcf := NewGardenConnectionFactory(
provider.dbWorkerFactory,
logger.Session("garden-connection"),
savedWorker.Name(),
savedWorker.GardenAddr(),
provider.retryBackOffFactory,
)
connection := NewRetryableConnection(gcf.BuildConnection())
bClient := bclient.New("", transport.NewBaggageclaimRoundTripper(
savedWorker.Name(),
savedWorker.BaggageclaimURL(),
provider.dbWorkerFactory,
&http.Transport{
DisableKeepAlives: true,
ResponseHeaderTimeout: 10 * time.Minute,
},
))
volumeClient := NewVolumeClient(
bClient,
provider.lockFactory,
provider.dbVolumeFactory,
provider.dbWorkerBaseResourceTypeFactory,
provider.dbWorkerTaskCacheFactory,
clock.NewClock(),
savedWorker,
)
containerProviderFactory := NewContainerProviderFactory(
gclient.New(connection),
bClient,
volumeClient,
provider.imageFactory,
provider.dbVolumeFactory,
provider.dbResourceCacheFactory,
provider.dbResourceConfigFactory,
provider.dbTeamFactory,
provider.lockFactory,
savedWorker.HTTPProxyURL(),
savedWorker.HTTPSProxyURL(),
savedWorker.NoProxy(),
clock.NewClock(),
)
return NewGardenWorker(
containerProviderFactory,
volumeClient,
provider,
tikTok,
savedWorker.ActiveContainers(),
savedWorker.ResourceTypes(),
savedWorker.Platform(),
savedWorker.Tags(),
savedWorker.TeamID(),
savedWorker.Name(),
savedWorker.StartTime(),
savedWorker.Version(),
)
}