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dependencies.go
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dependencies.go
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// Package dependencies provides common dependencies for Buffer API / Worker.
package dependencies
import (
"context"
"time"
etcd "go.etcd.io/etcd/client/v3"
"github.com/keboola/keboola-as-code/internal/pkg/env"
"github.com/keboola/keboola-as-code/internal/pkg/log"
"github.com/keboola/keboola-as-code/internal/pkg/service/buffer/config"
"github.com/keboola/keboola-as-code/internal/pkg/service/buffer/statistics"
"github.com/keboola/keboola-as-code/internal/pkg/service/buffer/store"
"github.com/keboola/keboola-as-code/internal/pkg/service/buffer/store/schema"
"github.com/keboola/keboola-as-code/internal/pkg/service/common/dependencies"
"github.com/keboola/keboola-as-code/internal/pkg/service/common/etcdclient"
"github.com/keboola/keboola-as-code/internal/pkg/service/common/etcdop/serde"
"github.com/keboola/keboola-as-code/internal/pkg/service/common/httpclient"
"github.com/keboola/keboola-as-code/internal/pkg/service/common/servicectx"
"github.com/keboola/keboola-as-code/internal/pkg/telemetry"
)
type ForService interface {
dependencies.Base
dependencies.Public
Process() *servicectx.Process
EtcdClient() *etcd.Client
EtcdSerde() *serde.Serde
Schema() *schema.Schema
Store() *store.Store
StatsCache() *statistics.CacheNode
}
func NewServiceDeps(
ctx context.Context,
proc *servicectx.Process,
cfg config.Config,
envs env.Provider,
logger log.Logger,
tel telemetry.Telemetry,
userAgent string,
) (d ForService, err error) {
ctx, span := tel.Tracer().Start(ctx, "keboola.go.buffer.dependencies.NewServiceDeps")
defer telemetry.EndSpan(span, &err)
// Create base HTTP client for all API requests to other APIs
httpClient := httpclient.New(
httpclient.WithTelemetry(tel),
httpclient.WithUserAgent(userAgent),
func(c *httpclient.Config) {
if cfg.Debug {
httpclient.WithDebugOutput(logger.DebugWriter())(c)
}
if cfg.DebugHTTP {
httpclient.WithDumpOutput(logger.DebugWriter())(c)
}
},
)
// Create base dependencies
baseDeps := dependencies.NewBaseDeps(envs, logger, tel, httpClient)
// Create public dependencies - load API index
startTime := time.Now()
logger.Info("loading Storage API index")
publicDeps, err := dependencies.NewPublicDeps(ctx, baseDeps, cfg.StorageAPIHost)
if err != nil {
return nil, err
}
logger.Infof("loaded Storage API index | %s", time.Since(startTime))
// Create etcd client
etcdClient, err := etcdclient.New(
ctx,
proc,
tel,
cfg.EtcdEndpoint,
cfg.EtcdNamespace,
etcdclient.WithUsername(cfg.EtcdUsername),
etcdclient.WithPassword(cfg.EtcdPassword),
etcdclient.WithConnectTimeout(cfg.EtcdConnectTimeout),
etcdclient.WithLogger(logger),
etcdclient.WithDebugOpLogs(cfg.Debug),
)
if err != nil {
return nil, err
}
serviceDeps := &forService{
Base: baseDeps,
Public: publicDeps,
proc: proc,
etcdClient: etcdClient,
etcdSerde: serde.NewJSON(baseDeps.Validator().Validate),
schema: schema.New(baseDeps.Validator().Validate),
}
serviceDeps.store = store.New(serviceDeps)
serviceDeps.statsCache, err = statistics.NewCacheNode(serviceDeps)
if err != nil {
return nil, err
}
return serviceDeps, nil
}
// forServer implements ForService interface.
type forService struct {
dependencies.Base
dependencies.Public
proc *servicectx.Process
etcdClient *etcd.Client
etcdSerde *serde.Serde
schema *schema.Schema
store *store.Store
statsCache *statistics.CacheNode
}
func (v *forService) Process() *servicectx.Process {
return v.proc
}
func (v *forService) EtcdClient() *etcd.Client {
return v.etcdClient
}
func (v *forService) EtcdSerde() *serde.Serde {
return v.etcdSerde
}
func (v *forService) Schema() *schema.Schema {
return v.schema
}
func (v *forService) Store() *store.Store {
return v.store
}
func (v *forService) StatsCache() *statistics.CacheNode {
return v.statsCache
}