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service.go
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service.go
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package provider
import (
"context"
"github.com/boz/go-lifecycle"
"github.com/pkg/errors"
"github.com/cosmos/cosmos-sdk/client"
sdk "github.com/cosmos/cosmos-sdk/types"
bankTypes "github.com/cosmos/cosmos-sdk/x/bank/types"
dtypes "github.com/akash-network/akash-api/go/node/deployment/v1beta3"
aclient "github.com/akash-network/node/client"
"github.com/akash-network/node/pubsub"
"github.com/akash-network/provider/bidengine"
"github.com/akash-network/provider/cluster"
"github.com/akash-network/provider/cluster/operatorclients"
ctypes "github.com/akash-network/provider/cluster/types/v1beta3"
"github.com/akash-network/provider/manifest"
"github.com/akash-network/provider/operator/waiter"
"github.com/akash-network/provider/session"
)
// ValidateClient is the interface to check if provider will bid on given groupspec
type ValidateClient interface {
Validate(context.Context, sdk.Address, dtypes.GroupSpec) (ValidateGroupSpecResult, error)
}
// StatusClient is the interface which includes status of service
//
//go:generate mockery --name StatusClient
type StatusClient interface {
Status(context.Context) (*Status, error)
}
//go:generate mockery --name Client
type Client interface {
StatusClient
ValidateClient
Manifest() manifest.Client
Cluster() cluster.Client
Hostname() ctypes.HostnameServiceClient
ClusterService() cluster.Service
}
// Service is the interface that includes StatusClient interface.
// It also wraps ManifestHandler, Close and Done methods.
type Service interface {
Client
Close() error
Done() <-chan struct{}
}
// NewService creates and returns new Service instance
// Simple wrapper around various services needed for running a provider.
func NewService(ctx context.Context,
cctx client.Context,
accAddr sdk.AccAddress,
session session.Session,
bus pubsub.Bus,
cclient cluster.Client,
ipOperatorClient operatorclients.IPOperatorClient,
waiter waiter.OperatorWaiter,
cfg Config) (Service, error) {
ctx, cancel := context.WithCancel(ctx)
session = session.ForModule("provider-service")
clusterConfig := cluster.NewDefaultConfig()
clusterConfig.InventoryResourcePollPeriod = cfg.InventoryResourcePollPeriod
clusterConfig.InventoryResourceDebugFrequency = cfg.InventoryResourceDebugFrequency
clusterConfig.InventoryExternalPortQuantity = cfg.ClusterExternalPortQuantity
clusterConfig.CPUCommitLevel = cfg.CPUCommitLevel
clusterConfig.MemoryCommitLevel = cfg.MemoryCommitLevel
clusterConfig.StorageCommitLevel = cfg.StorageCommitLevel
clusterConfig.BlockedHostnames = cfg.BlockedHostnames
clusterConfig.DeploymentIngressStaticHosts = cfg.DeploymentIngressStaticHosts
clusterConfig.DeploymentIngressDomain = cfg.DeploymentIngressDomain
clusterConfig.ClusterSettings = cfg.ClusterSettings
bc, err := newBalanceChecker(ctx, bankTypes.NewQueryClient(cctx), aclient.NewQueryClientFromCtx(cctx), accAddr, session, bus, cfg.BalanceCheckerCfg)
if err != nil {
session.Log().Error("starting balance checker", "err", err)
cancel()
return nil, err
}
cluster, err := cluster.NewService(ctx, session, bus, cclient, ipOperatorClient, waiter, clusterConfig)
if err != nil {
cancel()
<-bc.lc.Done()
return nil, err
}
bidengine, err := bidengine.NewService(ctx, session, cluster, bus, waiter, bidengine.Config{
PricingStrategy: cfg.BidPricingStrategy,
Deposit: cfg.BidDeposit,
BidTimeout: cfg.BidTimeout,
Attributes: cfg.Attributes,
MaxGroupVolumes: cfg.MaxGroupVolumes,
})
if err != nil {
errmsg := "creating bidengine service"
session.Log().Error(errmsg, "err", err)
cancel()
<-cluster.Done()
<-bc.lc.Done()
return nil, errors.Wrap(err, errmsg)
}
manifestConfig := manifest.ServiceConfig{
HTTPServicesRequireAtLeastOneHost: !cfg.DeploymentIngressStaticHosts,
ManifestTimeout: cfg.ManifestTimeout,
RPCQueryTimeout: cfg.RPCQueryTimeout,
CachedResultMaxAge: cfg.CachedResultMaxAge,
}
manifest, err := manifest.NewService(ctx, session, bus, cluster.HostnameService(), manifestConfig)
if err != nil {
session.Log().Error("creating manifest handler", "err", err)
cancel()
<-cluster.Done()
<-bidengine.Done()
<-bc.lc.Done()
return nil, err
}
svc := &service{
session: session,
bus: bus,
cluster: cluster,
cclient: cclient,
bidengine: bidengine,
manifest: manifest,
ctx: ctx,
cancel: cancel,
bc: bc,
lc: lifecycle.New(),
config: cfg,
}
go svc.lc.WatchContext(ctx)
go svc.run()
return svc, nil
}
type service struct {
config Config
session session.Session
bus pubsub.Bus
cclient cluster.Client
cluster cluster.Service
bidengine bidengine.Service
manifest manifest.Service
bc *balanceChecker
ctx context.Context
cancel context.CancelFunc
lc lifecycle.Lifecycle
}
func (s *service) Hostname() ctypes.HostnameServiceClient {
return s.cluster.HostnameService()
}
func (s *service) ClusterService() cluster.Service {
return s.cluster
}
func (s *service) Close() error {
s.lc.Shutdown(nil)
return s.lc.Error()
}
func (s *service) Done() <-chan struct{} {
return s.lc.Done()
}
func (s *service) Manifest() manifest.Client {
return s.manifest
}
func (s *service) Cluster() cluster.Client {
return s.cclient
}
func (s *service) Status(ctx context.Context) (*Status, error) {
cluster, err := s.cluster.Status(ctx)
if err != nil {
return nil, err
}
bidengine, err := s.bidengine.Status(ctx)
if err != nil {
return nil, err
}
manifest, err := s.manifest.Status(ctx)
if err != nil {
return nil, err
}
return &Status{
Cluster: cluster,
Bidengine: bidengine,
Manifest: manifest,
ClusterPublicHostname: s.config.ClusterPublicHostname,
}, nil
}
func (s *service) Validate(ctx context.Context, owner sdk.Address, gspec dtypes.GroupSpec) (ValidateGroupSpecResult, error) {
// FUTURE - pass owner here
req := bidengine.Request{
Owner: owner.String(),
GSpec: &gspec,
}
inv, err := s.cclient.Inventory(ctx)
if err != nil {
return ValidateGroupSpecResult{}, err
}
res := &reservation{
resources: nil,
clusterParams: nil,
}
if err = inv.Adjust(res, ctypes.WithDryRun()); err != nil {
return ValidateGroupSpecResult{}, err
}
price, err := s.config.BidPricingStrategy.CalculatePrice(ctx, req)
if err != nil {
return ValidateGroupSpecResult{}, err
}
return ValidateGroupSpecResult{
MinBidPrice: price,
}, nil
}
func (s *service) run() {
defer s.lc.ShutdownCompleted()
// Wait for any service to finish
select {
case <-s.lc.ShutdownRequest():
case <-s.cluster.Done():
case <-s.bidengine.Done():
case <-s.manifest.Done():
}
// Shut down all services
s.lc.ShutdownInitiated(nil)
s.cancel()
// Wait for all services to finish
<-s.cluster.Done()
<-s.bidengine.Done()
<-s.manifest.Done()
<-s.bc.lc.Done()
s.session.Log().Info("shutdown complete")
}
type reservation struct {
resources dtypes.ResourceGroup
adjustedResources dtypes.ResourceUnits
clusterParams interface{}
}
var _ ctypes.ReservationGroup = (*reservation)(nil)
func (r *reservation) Resources() dtypes.ResourceGroup {
return r.resources
}
func (r *reservation) SetAllocatedResources(val dtypes.ResourceUnits) {
r.adjustedResources = val
}
func (r *reservation) SetClusterParams(val interface{}) {
r.clusterParams = val
}
func (r *reservation) ClusterParams() interface{} {
return r.clusterParams
}