drone/registry/app/pkg/docker/app.go

128 lines
4.1 KiB
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// Source: https://github.com/distribution/distribution
// Copyright 2014 https://github.com/distribution/distribution Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package docker
import (
"context"
"crypto/rand"
"fmt"
corestore "github.com/harness/gitness/app/store"
"github.com/harness/gitness/registry/app/dist_temp/dcontext"
"github.com/harness/gitness/registry/app/dist_temp/errcode"
storagedriver "github.com/harness/gitness/registry/app/driver"
"github.com/harness/gitness/registry/app/pkg"
registrystorage "github.com/harness/gitness/registry/app/storage"
"github.com/harness/gitness/registry/app/store"
"github.com/harness/gitness/registry/gc"
"github.com/harness/gitness/types"
"github.com/jmoiron/sqlx"
"github.com/opencontainers/go-digest"
"github.com/rs/zerolog/log"
)
// randomSecretSize is the number of random bytes to generate if no secret
// was specified.
const randomSecretSize = 32
// App is a global registry application object. Shared resources can be placed
// on this object that will be accessible from all requests. Any writable
// fields should be protected.
type App struct {
context.Context
Config *types.Config
storageService *registrystorage.Service
}
// NewApp takes a configuration and returns a configured app.
func NewApp(
ctx context.Context, sqlDB *sqlx.DB, storageDeleter storagedriver.StorageDeleter,
blobRepo store.BlobRepository, spaceStore corestore.SpaceStore,
cfg *types.Config, storageService *registrystorage.Service,
gcService gc.Service,
) *App {
app := &App{
Context: ctx,
Config: cfg,
storageService: storageService,
}
app.configureSecret(cfg)
gcService.Start(ctx, sqlDB, spaceStore, blobRepo, storageDeleter, cfg)
return app
}
func GetStorageService(cfg *types.Config, driver storagedriver.StorageDriver) *registrystorage.Service {
options := registrystorage.GetRegistryOptions()
if cfg.Registry.Storage.S3Storage.Delete {
options = append(options, registrystorage.EnableDelete)
}
if cfg.Registry.Storage.S3Storage.Redirect {
options = append(options, registrystorage.EnableRedirect)
} else {
log.Info().Msg("backend redirection disabled")
}
storageService, err := registrystorage.NewStorageService(driver, options...)
if err != nil {
panic("could not create storage service: " + err.Error())
}
return storageService
}
func LogError(errList errcode.Errors) {
for _, e1 := range errList {
log.Error().Err(e1).Msgf("error: %v", e1)
}
}
// configureSecret creates a random secret if a secret wasn't included in the
// configuration.
func (app *App) configureSecret(configuration *types.Config) {
if configuration.Registry.HTTP.Secret == "" {
var secretBytes [randomSecretSize]byte
if _, err := rand.Read(secretBytes[:]); err != nil {
panic(fmt.Sprintf("could not generate random bytes for HTTP secret: %v", err))
}
configuration.Registry.HTTP.Secret = string(secretBytes[:])
dcontext.GetLogger(app, log.Warn()).
Msg(
"No HTTP secret provided - generated random secret. This may cause problems with uploads if" +
" multiple registries are behind a load-balancer. To provide a shared secret," +
" set the GITNESS_REGISTRY_HTTP_SECRET environment variable.",
)
}
}
// context constructs the context object for the application. This only be
// called once per request.
func (app *App) GetBlobsContext(c context.Context, info pkg.RegistryInfo) *Context {
context := &Context{
App: app,
Context: c,
UUID: info.Reference,
Digest: digest.Digest(info.Digest),
}
context.URLBuilder = info.URLBuilder
blobStore := app.storageService.OciBlobsStore(c, info.RegIdentifier, info.RootIdentifier)
context.OciBlobStore = blobStore
return context
}