/
object_store.go
203 lines (181 loc) · 5.76 KB
/
object_store.go
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package object_store
import (
"github.com/appcelerator/amp/data/accounts"
"github.com/appcelerator/amp/data/object_stores"
"github.com/appcelerator/amp/pkg/cloud"
"github.com/appcelerator/amp/pkg/cloud/aws"
log "github.com/sirupsen/logrus"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// Server is used to implement objectStore.ObjectStoreServer
type Server struct {
Accounts accounts.Interface
ObjectStores object_stores.Interface
Provider cloud.Provider
Region string
}
func convertError(err error) error {
switch err {
case object_stores.InvalidName:
return status.Errorf(codes.InvalidArgument, err.Error())
case object_stores.AlreadyExists, object_stores.AlreadyOwnedByYou:
return status.Errorf(codes.AlreadyExists, err.Error())
case object_stores.NotFound:
return status.Errorf(codes.NotFound, err.Error())
case accounts.NotAuthorized:
return status.Errorf(codes.PermissionDenied, err.Error())
case object_stores.NotImplemented:
return status.Errorf(codes.Unimplemented, err.Error())
}
return status.Errorf(codes.Internal, err.Error())
}
// Create implements objectStore.Server
func (s *Server) Create(ctx context.Context, in *CreateRequest) (*CreateReply, error) {
log.Infoln("[objectstore] Create,", in.String())
// validate cloud context
switch s.Provider {
case cloud.ProviderAWS:
default:
return nil, convertError(object_stores.NotImplemented)
}
// Check if object store already exists in AMP
ostore, err := s.ObjectStores.GetByName(ctx, in.Name)
if err != nil {
return nil, convertError(err)
}
if ostore == nil {
if ostore, err = s.ObjectStores.Create(ctx, in.Name); err != nil {
return nil, convertError(err)
}
} else {
return nil, convertError(object_stores.AlreadyOwnedByYou)
}
switch s.Provider {
case cloud.ProviderAWS:
location, err := aws.S3CreateBucket(in.Name, in.Acl, s.Region)
if err != nil {
log.Infoln(err)
switch err.Error() {
case aws.ErrMsgBucketAlreadyOwnedByYou:
err = object_stores.AlreadyOwnedByYou
case aws.ErrMsgBucketAlreadyExists:
err = object_stores.AlreadyExists
default:
}
s.ObjectStores.Delete(ctx, ostore.Id)
return nil, convertError(err)
}
if err = s.ObjectStores.UpdateLocation(ctx, ostore.Id, location); err != nil {
return nil, convertError(err)
}
ostore.Location = location
log.Infoln("new object store successfully created:", location)
// TODO: add IAM policy to instance profile
default:
}
log.Infoln("[objectstore] Success: created object store")
return &CreateReply{
Id: ostore.Id,
Name: in.Name,
Location: ostore.Location,
}, nil
}
// List implements object.Server
func (s *Server) List(ctx context.Context, in *ListRequest) (*ListReply, error) {
var buckets []*ObjectStoreEntry
log.Infoln("[objectstore] List", in.String())
// first check what is has been stored by AMP
ostores, err := s.ObjectStores.List(ctx)
if err != nil {
return nil, convertError(err)
}
// then check with the reality
switch s.Provider {
case cloud.ProviderAWS:
result, err := aws.S3ListBuckets(s.Region)
if err != nil {
return nil, status.Errorf(codes.Internal, err.Error())
}
log.Infof("[objectstore] AMP registered %d object stores, AWS API returned %d S3 buckets", len(ostores), len(*result))
for _, ostore := range ostores {
bucketExists := false
for _, bucket := range *result {
if bucket == ostore.Name {
l, err := aws.S3GetBucketLocation(ostore.Name, s.Region)
if err != nil {
log.Infoln("failed to get location for s3 bucket", ostore.Name)
return nil, status.Errorf(codes.Internal, err.Error())
}
buckets = append(buckets, &ObjectStoreEntry{
ObjectStore: ostore,
Region: l,
})
bucketExists = true
break
}
}
if !bucketExists {
log.Infof("Warning: can't find bucket %s in s3", ostore.Name)
buckets = append(buckets, &ObjectStoreEntry{
ObjectStore: ostore,
Missing: true,
})
}
}
default:
}
if len(ostores) != len(buckets) {
log.Infoln(len(ostores), "object stores registered in AMP, but", len(buckets), "found")
}
log.Infof("[objectstore] Success: list returned %d object stores", len(buckets))
return &ListReply{Entries: buckets}, nil
}
// Remove implements object.Server
func (s *Server) Remove(ctx context.Context, in *RemoveRequest) (*RemoveReply, error) {
log.Infoln("[objectstore] Remove", in.String())
// Retrieve the object store
ostore, err := s.ObjectStores.GetByFragmentOrName(ctx, in.Name)
if err != nil {
return nil, convertError(err)
}
if ostore == nil {
return nil, object_stores.NotFound
}
switch s.Provider {
case cloud.ProviderAWS:
if err := aws.S3DeleteBucket(ostore.Name, s.Region, in.Force); err != nil {
switch err.Error() {
case aws.ErrMsgNoSuchBucket:
log.Infof("Bucket %s does not exist. Will ignore this error and delete it from AMP", ostore.Name)
default:
log.Infof("AWS error: %v", err)
return nil, status.Errorf(codes.Internal, err.Error())
}
}
default:
}
if err = s.ObjectStores.Delete(ctx, ostore.Id); err != nil {
return nil, convertError(err)
}
log.Infoln("[objectstore] Success: removed", ostore.Name)
return &RemoveReply{ostore.Name}, nil
}
// Forget implements object.Server
func (s *Server) Forget(ctx context.Context, in *ForgetRequest) (*ForgetReply, error) {
log.Infoln("[objectstore] Forget", in.String())
// Retrieve the object store
ostore, err := s.ObjectStores.GetByFragmentOrName(ctx, in.Name)
if err != nil {
return nil, convertError(err)
}
if ostore == nil {
return nil, object_stores.NotFound
}
if err = s.ObjectStores.Delete(ctx, ostore.Id); err != nil {
return nil, convertError(err)
}
log.Infoln("[objectstore] Success: forget", ostore.Name)
return &ForgetReply{Name: ostore.Name}, nil
}