mirror of
https://github.com/yunionio/cloudpods.git
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80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
// Copyright 2019 Yunion
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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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package fuseutils
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import (
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"fmt"
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"os"
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"path"
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"strings"
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"time"
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"yunion.io/x/log"
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"yunion.io/x/onecloud/pkg/util/fileutils2"
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"yunion.io/x/onecloud/pkg/util/procutils"
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)
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const DEFAULT_BLOCKSIZE = 8
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func MountFusefs(fetcherfsPath, url, tmpdir, token, mntpath string, blocksize int) error {
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var metaPath = path.Join(mntpath, "meta")
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if f, err := os.OpenFile(metaPath, os.O_RDONLY, 0644); err == nil {
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f.Close()
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log.Infof("Already mounted: %s, skip...", mntpath)
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return nil
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}
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// is mounted
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if err := procutils.NewCommand("mountpoint", mntpath).Run(); err == nil {
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procutils.NewCommand("umount", mntpath).Output()
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}
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if !fileutils2.Exists(tmpdir) {
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if err := procutils.NewCommand("mkdir", "-p", tmpdir).Run(); err != nil {
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return err
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}
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}
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if !fileutils2.Exists(mntpath) {
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if err := procutils.NewCommand("mkdir", "-p", mntpath).Run(); err != nil {
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return err
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}
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}
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var opts = fmt.Sprintf("url=%s", url)
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opts += fmt.Sprintf(",tmpdir=%s", tmpdir)
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opts += fmt.Sprintf(",token=%s", token)
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opts += fmt.Sprintf(",blocksize=%d", blocksize)
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var cmd = []string{fetcherfsPath, "-s", "-o", opts, mntpath}
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log.Infof("%s", strings.Join(cmd, " "))
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err := procutils.NewRemoteCommandAsFarAsPossible(cmd[0], cmd[1:]...).Run()
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if err != nil {
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log.Errorf("Mount fetcherfs filed: %s", err)
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procutils.NewCommand("umount", mntpath).Run()
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return err
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}
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time.Sleep(200 * time.Millisecond)
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if f, err := os.OpenFile(metaPath, os.O_RDONLY, 0644); err == nil {
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f.Close()
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return nil
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} else {
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log.Errorln(err)
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return err
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}
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}
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