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Functional options for NewRegistryWithDriver

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Clean up calling convention for NewRegistryWithDriver to use functional
arguments.

This is a first step towards the refactor described in #215. I plan to
add additional options in the process of moving configurable items from
the App structure to the registry structure.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This commit is contained in:
Aaron Lehmann
2015-08-18 10:56:27 -07:00
parent ed7cc91e6f
commit dbbcf5fe42
9 changed files with 149 additions and 47 deletions
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39
registry/handlers/app.go
View File

@@ -118,13 +118,18 @@ func NewApp(ctx context.Context, configuration configuration.Configuration) *App
app.configureRedis(&configuration)
app.configureLogHook(&configuration)
options := []storage.RegistryOption{}
if app.isCache {
options = append(options, storage.DisableDigestResumption)
}
// configure deletion
var deleteEnabled bool
if d, ok := configuration.Storage["delete"]; ok {
e, ok := d["enabled"]
if ok {
if deleteEnabled, ok = e.(bool); !ok {
deleteEnabled = false
if deleteEnabled, ok := e.(bool); ok && deleteEnabled {
options = append(options, storage.EnableDelete)
}
}
}
@@ -139,10 +144,11 @@ func NewApp(ctx context.Context, configuration configuration.Configuration) *App
default:
panic(fmt.Sprintf("invalid type for redirect config: %#v", redirectConfig))
}
if redirectDisabled {
ctxu.GetLogger(app).Infof("backend redirection disabled")
}
}
if redirectDisabled {
ctxu.GetLogger(app).Infof("backend redirection disabled")
} else {
options = append(options, storage.EnableRedirect)
}
// configure storage caches
@@ -158,10 +164,20 @@ func NewApp(ctx context.Context, configuration configuration.Configuration) *App
if app.redis == nil {
panic("redis configuration required to use for layerinfo cache")
}
app.registry = storage.NewRegistryWithDriver(app, app.driver, rediscache.NewRedisBlobDescriptorCacheProvider(app.redis), deleteEnabled, !redirectDisabled, app.isCache)
cacheProvider := rediscache.NewRedisBlobDescriptorCacheProvider(app.redis)
localOptions := append(options, storage.BlobDescriptorCacheProvider(cacheProvider))
app.registry, err = storage.NewRegistry(app, app.driver, localOptions...)
if err != nil {
panic("could not create registry: " + err.Error())
}
ctxu.GetLogger(app).Infof("using redis blob descriptor cache")
case "inmemory":
app.registry = storage.NewRegistryWithDriver(app, app.driver, memorycache.NewInMemoryBlobDescriptorCacheProvider(), deleteEnabled, !redirectDisabled, app.isCache)
cacheProvider := memorycache.NewInMemoryBlobDescriptorCacheProvider()
localOptions := append(options, storage.BlobDescriptorCacheProvider(cacheProvider))
app.registry, err = storage.NewRegistry(app, app.driver, localOptions...)
if err != nil {
panic("could not create registry: " + err.Error())
}
ctxu.GetLogger(app).Infof("using inmemory blob descriptor cache")
default:
if v != "" {
@@ -172,7 +188,10 @@ func NewApp(ctx context.Context, configuration configuration.Configuration) *App
if app.registry == nil {
// configure the registry if no cache section is available.
app.registry = storage.NewRegistryWithDriver(app.Context, app.driver, nil, deleteEnabled, !redirectDisabled, app.isCache)
app.registry, err = storage.NewRegistry(app.Context, app.driver, options...)
if err != nil {
panic("could not create registry: " + err.Error())
}
}
app.registry, err = applyRegistryMiddleware(app.Context, app.registry, configuration.Middleware["registry"])