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handler.go
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/
handler.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package grpc
import (
"context"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/pkg/errors"
minio "github.com/pydio/minio-srv/cmd"
"github.com/pydio/minio-srv/pkg/disk"
// Import minio gateways
_ "github.com/pydio/minio-srv/cmd/gateway"
"github.com/pydio/cells/common/config"
"github.com/pydio/cells/common/log"
"github.com/pydio/cells/common/proto/object"
"github.com/pydio/cells/data/source/objects"
)
// ObjectHandler definition
type ObjectHandler struct {
Config *object.MinioConfig
}
// StartMinioServer handler
func (o *ObjectHandler) StartMinioServer(ctx context.Context, minioServiceName string) error {
accessKey := o.Config.ApiKey
secretKey := o.Config.ApiSecret
// Replace secretKey on the fly
if sec := config.GetSecret(secretKey).String(); sec != "" {
secretKey = sec
}
configFolder, e := objects.CreateMinioConfigFile(minioServiceName, accessKey, secretKey)
if e != nil {
return e
}
var gateway, folderName, customEndpoint string
if o.Config.StorageType == object.StorageType_S3 {
gateway = "s3"
customEndpoint = o.Config.EndpointUrl
} else if o.Config.StorageType == object.StorageType_AZURE {
gateway = "azure"
} else if o.Config.StorageType == object.StorageType_GCS {
gateway = "gcs"
var credsUuid string
if o.Config.GatewayConfiguration != nil {
if jsonCred, ok := o.Config.GatewayConfiguration["jsonCredentials"]; ok {
credsUuid = jsonCred
}
}
if credsUuid == "" {
return errors.New("missing google application credentials to start GCS gateway")
}
creds := config.GetSecret(credsUuid).Bytes()
if len(creds) == 0 {
return errors.New("missing google application credentials to start GCS gateway (cannot find inside vault)")
}
// Create gcs-credentials.json and pass it as env variable
fName := filepath.Join(configFolder, "gcs-credentials.json")
ioutil.WriteFile(fName, creds, 0600)
os.Setenv("GOOGLE_APPLICATION_CREDENTIALS", fName)
} else {
folderName = o.Config.LocalFolder
}
port := o.Config.RunningPort
params := []string{"minio"}
if gateway != "" {
params = append(params, "gateway")
params = append(params, gateway)
} else {
params = append(params, "server")
}
if accessKey == "" {
return errors.New("missing accessKey to start minio service")
}
params = append(params, "--quiet")
params = append(params, "--config-dir")
params = append(params, configFolder)
if port > 0 {
params = append(params, "--address")
params = append(params, fmt.Sprintf(":%d", port))
}
if folderName != "" {
params = append(params, folderName)
log.Logger(ctx).Info("Starting local objects service " + minioServiceName + " on " + folderName)
} else if customEndpoint != "" {
params = append(params, customEndpoint)
log.Logger(ctx).Info("Starting gateway objects service " + minioServiceName + " to " + customEndpoint)
} else if gateway == "s3" && customEndpoint == "" {
params = append(params, "https://s3.amazonaws.com", "pydio-ds")
log.Logger(ctx).Info("Starting gateway objects service " + minioServiceName + " to Amazon S3")
}
os.Setenv("MINIO_ACCESS_KEY", accessKey)
os.Setenv("MINIO_SECRET_KEY", secretKey)
os.Setenv("MINIO_BROWSER", "off")
minio.Main(params)
return nil
}
// GetMinioConfig returns current configuration
func (o *ObjectHandler) GetMinioConfig(_ context.Context, _ *object.GetMinioConfigRequest, resp *object.GetMinioConfigResponse) error {
resp.MinioConfig = o.Config
return nil
}
// StorageStats returns statistics about storage
func (o *ObjectHandler) StorageStats(_ context.Context, _ *object.StorageStatsRequest, resp *object.StorageStatsResponse) error {
resp.Stats = make(map[string]string)
resp.Stats["StorageType"] = o.Config.StorageType.String()
switch o.Config.StorageType {
case object.StorageType_LOCAL:
folder := o.Config.LocalFolder
if stats, e := disk.GetInfo(folder); e != nil {
return e
} else {
resp.Stats["Total"] = fmt.Sprintf("%d", stats.Total)
resp.Stats["Free"] = fmt.Sprintf("%d", stats.Free)
resp.Stats["FSType"] = stats.FSType
}
}
return nil
}