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minio/pkg/donut/node.go

77 lines
1.9 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 (
"github.com/minio/minio/pkg/donut/disk"
"github.com/minio/minio/pkg/iodine"
)
// node struct internal
type node struct {
hostname string
disks map[int]disk.Disk
}
// newNode - instantiates a new node
func newNode(hostname string) (node, error) {
if hostname == "" {
return node{}, iodine.New(InvalidArgument{}, nil)
}
disks := make(map[int]disk.Disk)
n := node{
hostname: hostname,
disks: disks,
}
return n, nil
}
// GetHostname - return hostname
func (n node) GetHostname() string {
return n.hostname
}
// ListDisks - return number of disks
func (n node) ListDisks() (map[int]disk.Disk, error) {
return n.disks, nil
}
// AttachDisk - attach a disk
func (n node) AttachDisk(disk disk.Disk, diskOrder int) error {
if diskOrder < 0 {
return iodine.New(InvalidArgument{}, nil)
}
n.disks[diskOrder] = disk
return nil
}
// DetachDisk - detach a disk
func (n node) DetachDisk(diskOrder int) error {
delete(n.disks, diskOrder)
return nil
}
// SaveConfig - save node configuration
func (n node) SaveConfig() error {
return iodine.New(NotImplemented{Function: "SaveConfig"}, nil)
}
// LoadConfig - load node configuration from saved configs
func (n node) LoadConfig() error {
return iodine.New(NotImplemented{Function: "LoadConfig"}, nil)
}