mirror of https://github.com/perkeep/perkeep.git
113 lines
3.2 KiB
Go
113 lines
3.2 KiB
Go
/*
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Copyright 2013 Google Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 main
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import (
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"errors"
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"flag"
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"fmt"
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"log"
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"os"
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"camlistore.org/pkg/blobserver/diskpacked"
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"camlistore.org/pkg/cmdmain"
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"camlistore.org/pkg/jsonconfig"
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"camlistore.org/pkg/osutil"
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"camlistore.org/pkg/serverconfig"
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)
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type reindexdpCmd struct {
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overwrite, verbose bool
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}
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func init() {
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cmdmain.RegisterCommand("reindex-diskpacked",
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func(flags *flag.FlagSet) cmdmain.CommandRunner {
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cmd := new(reindexdpCmd)
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flags.BoolVar(&cmd.overwrite, "overwrite", false,
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"Overwrite the existing index.kv? If not, than only checking is made.")
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return cmd
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})
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}
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func (c *reindexdpCmd) Describe() string {
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return "Rebuild the index of the diskpacked blob store"
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}
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func (c *reindexdpCmd) Usage() {
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fmt.Fprintln(os.Stderr, "Usage: camtool [globalopts] reindex-diskpacked [reindex-opts]")
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fmt.Fprintln(os.Stderr, " camtool reindex-diskpacked")
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fmt.Fprintln(os.Stderr, " camtool reindex-diskpacked --overwrite")
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}
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func (c *reindexdpCmd) RunCommand(args []string) error {
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var path string
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switch {
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case len(args) == 0:
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cfg, err := serverconfig.Load(osutil.UserServerConfigPath())
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if err != nil {
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return err
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}
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prefixes, ok := cfg.Obj["prefixes"].(map[string]interface{})
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if !ok {
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return fmt.Errorf("No 'prefixes' object in low-level (or converted) config file %s", osutil.UserServerConfigPath())
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}
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paths := []string{}
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for prefix, vei := range prefixes {
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pmap, ok := vei.(map[string]interface{})
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if !ok {
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log.Printf("prefix %q value is a %T, not an object", prefix, vei)
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continue
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}
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pconf := jsonconfig.Obj(pmap)
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handlerType := pconf.RequiredString("handler")
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handlerArgs := pconf.OptionalObject("handlerArgs")
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// no pconf.Validate, as this is a recover tool
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if handlerType != "storage-diskpacked" {
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continue
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}
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if handlerArgs == nil {
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log.Printf("no handlerArgs for %q", prefix)
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continue
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}
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aconf := jsonconfig.Obj(handlerArgs)
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path = aconf.RequiredString("path")
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// no aconv.Validate, as this is a recover tool
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if path != "" {
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paths = append(paths, path)
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}
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}
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if len(paths) == 0 {
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return fmt.Errorf("Server config file %s doesn't specify a disk-packed storage handler.",
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osutil.UserServerConfigPath())
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}
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if len(paths) > 1 {
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return fmt.Errorf("Ambiguity. Server config file %s d specify more than 1 disk-packed storage handler. Please specify one of: %v", osutil.UserServerConfigPath(), paths)
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}
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path = paths[0]
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case len(args) == 1:
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path = args[0]
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default:
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return errors.New("More than 1 argument not allowed")
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}
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if path == "" {
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return errors.New("no path is given/found")
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}
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return diskpacked.Reindex(path, c.overwrite)
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}
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