mirror of https://github.com/perkeep/perkeep.git
129 lines
3.6 KiB
Go
129 lines
3.6 KiB
Go
/*
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Copyright 2013 The Perkeep Authors
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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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"go4.org/jsonconfig"
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"perkeep.org/internal/osutil"
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"perkeep.org/pkg/blobserver/diskpacked"
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"perkeep.org/pkg/cmdmain"
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"perkeep.org/pkg/serverinit"
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)
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type reindexdpCmd struct {
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overwrite bool
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}
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func init() {
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cmdmain.RegisterMode("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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"Whether to overwrite the existing index. If false, only check.")
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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: pk [globalopts] reindex-diskpacked [reindex-opts]")
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fmt.Fprintln(os.Stderr, " pk reindex-diskpacked [--overwrite] # dir from server config")
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fmt.Fprintln(os.Stderr, " pk reindex-diskpacked [--overwrite] /path/to/directory")
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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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var indexConf jsonconfig.Obj
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switch len(args) {
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case 0:
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case 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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cfg, err := serverinit.LoadFile(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, confs := []string{}, []jsonconfig.Obj{}
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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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log.Printf("handlerArgs of %q: %v", prefix, handlerArgs)
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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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apath := aconf.RequiredString("path")
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// no aconv.Validate, as this is a recover tool
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if apath == "" {
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log.Printf("path is missing for %q", prefix)
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continue
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}
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if path != "" && path != apath {
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continue
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}
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paths = append(paths, apath)
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confs = append(confs, aconf)
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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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if path == "" {
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return errors.New("no path is given/found")
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}
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// If no index is specified, the default will be used (as on the regular path).
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if mi := confs[0]["metaIndex"]; mi != nil {
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if mi, ok := mi.(map[string]interface{}); ok {
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indexConf = jsonconfig.Obj(mi)
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}
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}
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log.Printf("indexConf: %v", indexConf)
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return diskpacked.Reindex(path, c.overwrite, indexConf)
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}
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