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minio/pkg/storage/donut/donut_node.go

77 lines
1.8 KiB

/*
* Minimalist Object Storage, (C) 2015 Minio, Inc.
*
* 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 donut
import (
"errors"
"github.com/minio/minio/pkg/iodine"
)
// node struct internal
type node struct {
hostname string
disks map[string]Disk
}
// NewNode - instantiates a new node
func NewNode(hostname string) (Node, error) {
if hostname == "" {
return nil, iodine.New(errors.New("invalid argument"), nil)
}
disks := make(map[string]Disk)
n := node{
hostname: hostname,
disks: disks,
}
return n, nil
}
// GetNodeName - return hostname
func (n node) GetNodeName() string {
return n.hostname
}
// ListDisks - return number of disks
func (n node) ListDisks() (map[string]Disk, error) {
return n.disks, nil
}
// AttachDisk - attach a disk
func (n node) AttachDisk(disk Disk) error {
if disk == nil {
return iodine.New(errors.New("Invalid argument"), nil)
}
n.disks[disk.GetPath()] = disk
return nil
}
// DetachDisk - detach a disk
func (n node) DetachDisk(disk Disk) error {
delete(n.disks, disk.GetPath())
return nil
}
// SaveConfig - save node configuration
func (n node) SaveConfig() error {
return errors.New("Not Implemented")
}
// LoadConfig - load node configuration from saved configs
func (n node) LoadConfig() error {
return errors.New("Not Implemented")
}