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120 lines
3.1 KiB
120 lines
3.1 KiB
7 years ago
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/*
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* Minio Cloud Storage, (C) 2018 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package nas
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import (
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"github.com/minio/cli"
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"github.com/minio/minio-go/pkg/policy"
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minio "github.com/minio/minio/cmd"
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"github.com/minio/minio/pkg/auth"
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)
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const (
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nasBackend = "nas"
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)
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func init() {
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const nasGatewayTemplate = `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{.HelpName}} {{if .VisibleFlags}}[FLAGS]{{end}} PATH
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{{if .VisibleFlags}}
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FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}
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PATH:
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path to NAS mount point.
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ENVIRONMENT VARIABLES:
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ACCESS:
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MINIO_ACCESS_KEY: Username or access key of minimum 3 characters in length.
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MINIO_SECRET_KEY: Password or secret key of minimum 8 characters in length.
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BROWSER:
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MINIO_BROWSER: To disable web browser access, set this value to "off".
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UPDATE:
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MINIO_UPDATE: To turn off in-place upgrades, set this value to "off".
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EXAMPLES:
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1. Start minio gateway server for NAS backend.
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$ export MINIO_ACCESS_KEY=accesskey
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$ export MINIO_SECRET_KEY=secretkey
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$ {{.HelpName}} /shared/nasvol
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`
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minio.RegisterGatewayCommand(cli.Command{
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Name: nasBackend,
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Usage: "Network-attached storage (NAS).",
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Action: nasGatewayMain,
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CustomHelpTemplate: nasGatewayTemplate,
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HideHelpCommand: true,
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})
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}
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// Handler for 'minio gateway nas' command line.
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func nasGatewayMain(ctx *cli.Context) {
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// Validate gateway arguments.
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host := ctx.Args().First()
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if host == "" {
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cli.ShowCommandHelpAndExit(ctx, "nas", 1)
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}
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// Validate gateway arguments.
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minio.StartGateway(ctx, &NAS{host})
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}
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// NAS implements Gateway.
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type NAS struct {
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host string
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}
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// Name implements Gateway interface.
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func (g *NAS) Name() string {
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return nasBackend
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}
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// NewGatewayLayer returns nas gatewaylayer.
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func (g *NAS) NewGatewayLayer(creds auth.Credentials) (minio.ObjectLayer, error) {
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var err error
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newObject, err := minio.NewFSObjectLayer(g.host)
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if err != nil {
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return nil, err
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}
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return &nasObjects{newObject.(*minio.FSObjects)}, nil
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}
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// Production - nas gateway is production ready.
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func (g *NAS) Production() bool {
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return true
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}
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// nasObjects implements gateway for Minio and S3 compatible object storage servers.
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type nasObjects struct {
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*minio.FSObjects
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}
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// IsNotificationSupported returns whether notifications are applicable for this layer.
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func (l *nasObjects) IsNotificationSupported() bool {
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return false
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}
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// GetBucketPolicy will get policy on bucket
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func (l *nasObjects) GetBucketPolicy(bucket string) (policy.BucketAccessPolicy, error) {
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return minio.ReadBucketPolicy(bucket, l)
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}
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