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plugins.go
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/
plugins.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 storage
import (
"context"
"fmt"
"github.com/micro/go-micro"
"github.com/micro/go-micro/server"
"github.com/pydio/cells/common/config"
microconf "github.com/pydio/cells/common/config/micro"
"github.com/pydio/cells/common/config/micro/file"
"github.com/pydio/cells/common/proto/storage"
proto "github.com/pydio/config-srv/proto/config"
microconfig "github.com/pydio/go-os/config"
"github.com/spf13/viper"
"go.etcd.io/etcd/raft/raftpb"
"path/filepath"
"time"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/config/raft"
"github.com/pydio/cells/common/plugins"
"github.com/pydio/cells/common/service"
)
var store *raft.KVStore
func init() {
plugins.Register("cluster", func(ctx context.Context) {
id := viper.GetInt("nats_streaming_cluster_node_id")
port := fmt.Sprintf("%d", 20000 + id)
fmt.Println(port)
service.NewService(
service.Name(common.ServiceStorageNamespace_+common.ServiceConfig),
service.Context(ctx),
service.Tag(common.ServiceTagDiscovery),
service.Description("Main service loading configurations for all other services."),
service.Port(port),
service.WithMicro(func(m micro.Service) error {
source := file.NewSource(
microconfig.SourceName(filepath.Join(config.PydioConfigDir, config.PydioConfigFile)),
)
defaultConfig := config.New(
microconf.New(
microconfig.NewConfig(
microconfig.WithSource(source),
microconfig.PollInterval(10*time.Second),
),
),
)
join := false
proposeC := make(chan string)
confChangeC := make(chan raftpb.ConfChange)
getSnapshot := func() ([]byte, error) {
return store.GetSnapshot()
}
meta := make(map[string]string)
for k, v := range m.Options().Server.Options().Metadata {
meta[k] = v
}
meta["rafttransport"] = fmt.Sprintf("http://:%d", 21000 + id)
m.Options().Server.Init(
server.Metadata(meta),
)
commitC, errorC, snapshotterReady := raft.NewRaftNode(
id,
m.Server().Options().Id,
meta["rafttransport"],
"pydio.storage.config",
join,
getSnapshot,
proposeC,
confChangeC,
)
store = raft.NewKVStore(defaultConfig.Val(), <-snapshotterReady, proposeC, commitC, errorC)
handler := NewHandler(store)
storage.RegisterStorageEndpointHandler(m.Options().Server, handler)
proto.RegisterConfigHandler(m.Options().Server, handler)
return nil
}),
)
})
}