Implement a "migrate" command for migrating between share managers

This commit is contained in:
André Duffeck
2022-05-30 13:38:24 +02:00
parent de53328307
commit f15aec8859
+153
View File
@@ -0,0 +1,153 @@
package command
import (
"encoding/json"
"fmt"
"os"
"sync"
collaboration "github.com/cs3org/go-cs3apis/cs3/sharing/collaboration/v1beta1"
"github.com/cs3org/reva/v2/pkg/share"
"github.com/cs3org/reva/v2/pkg/share/manager/registry"
sharing "github.com/owncloud/ocis/v2/extensions/sharing/pkg/config"
"github.com/owncloud/ocis/v2/ocis-pkg/config"
"github.com/owncloud/ocis/v2/ocis-pkg/config/parser"
"github.com/owncloud/ocis/v2/ocis/pkg/register"
"github.com/urfave/cli/v2"
)
// Migrate is the entrypoint for the Migrate command.
func Migrate(cfg *config.Config) *cli.Command {
return &cli.Command{
Name: "migrate",
Usage: "migrate data from an existing instance to a new version",
Category: "migration",
Before: func(c *cli.Context) error {
if err := parser.ParseConfig(cfg); err != nil {
s, _ := json.MarshalIndent(cfg, "", " ")
fmt.Print(string(s))
fmt.Printf("%v", err)
return err
}
return nil
},
Subcommands: []*cli.Command{
MigrateShares(cfg),
},
}
}
func init() {
register.AddCommand(Migrate)
}
func MigrateShares(cfg *config.Config) *cli.Command {
return &cli.Command{
Name: "shares",
Usage: "migrates shares from the previous to the new ",
Before: func(c *cli.Context) error {
err := parser.ParseConfig(cfg)
if err != nil {
fmt.Printf("%v", err)
os.Exit(1)
}
return err
},
Action: func(c *cli.Context) error {
rcfg := revaConfig(cfg.Sharing)
oldDriver := "json"
newDriver := "cs3"
shareChan := make(chan *collaboration.Share)
receivedShareChan := make(chan share.ReceivedShareDump)
f, ok := registry.NewFuncs[oldDriver]
if !ok {
fmt.Println("Unknown share manager type '" + oldDriver + "'")
os.Exit(1)
}
oldMgr, err := f(rcfg[oldDriver].(map[string]interface{}))
if err != nil {
fmt.Println("failed to initiate source share manager", err)
os.Exit(1)
}
if _, ok := oldMgr.(share.DumpableManager); !ok {
fmt.Println("Share manager type '" + oldDriver + "' does not support migration.")
os.Exit(1)
}
f, ok = registry.NewFuncs[newDriver]
if !ok {
fmt.Println("Unknown share manager type '" + oldDriver + "'")
os.Exit(1)
}
newMgr, err := f(rcfg[newDriver].(map[string]interface{}))
if err != nil {
fmt.Println("failed to initiate source share manager", err)
os.Exit(1)
}
if _, ok := newMgr.(share.LoadableManager); !ok {
fmt.Println("Share manager type '" + newDriver + "' does not support migration.")
os.Exit(1)
}
var wg sync.WaitGroup
wg.Add(2)
go func() {
fmt.Println("Loading...")
err = newMgr.(share.LoadableManager).Load(shareChan, receivedShareChan)
fmt.Println("Finished loading...")
if err != nil {
fmt.Println("Error while loading shares", err)
os.Exit(1)
}
wg.Done()
}()
go func() {
err = oldMgr.(share.DumpableManager).Dump(shareChan, receivedShareChan)
if err != nil {
fmt.Println("Error while dumping shares", err)
os.Exit(1)
}
wg.Done()
}()
wg.Wait()
return nil
},
}
}
func revaConfig(cfg *sharing.Config) map[string]interface{} {
return map[string]interface{}{
"json": map[string]interface{}{
"file": cfg.UserSharingDrivers.JSON.File,
"gateway_addr": cfg.Reva.Address,
},
"sql": map[string]interface{}{ // cernbox sql
"db_username": cfg.UserSharingDrivers.SQL.DBUsername,
"db_password": cfg.UserSharingDrivers.SQL.DBPassword,
"db_host": cfg.UserSharingDrivers.SQL.DBHost,
"db_port": cfg.UserSharingDrivers.SQL.DBPort,
"db_name": cfg.UserSharingDrivers.SQL.DBName,
"password_hash_cost": cfg.UserSharingDrivers.SQL.PasswordHashCost,
"enable_expired_shares_cleanup": cfg.UserSharingDrivers.SQL.EnableExpiredSharesCleanup,
"janitor_run_interval": cfg.UserSharingDrivers.SQL.JanitorRunInterval,
},
"owncloudsql": map[string]interface{}{
"gateway_addr": cfg.Reva.Address,
"storage_mount_id": cfg.UserSharingDrivers.OwnCloudSQL.UserStorageMountID,
"db_username": cfg.UserSharingDrivers.OwnCloudSQL.DBUsername,
"db_password": cfg.UserSharingDrivers.OwnCloudSQL.DBPassword,
"db_host": cfg.UserSharingDrivers.OwnCloudSQL.DBHost,
"db_port": cfg.UserSharingDrivers.OwnCloudSQL.DBPort,
"db_name": cfg.UserSharingDrivers.OwnCloudSQL.DBName,
},
"cs3": map[string]interface{}{
"gateway_addr": cfg.UserSharingDrivers.CS3.ProviderAddr,
"provider_addr": cfg.UserSharingDrivers.CS3.ProviderAddr,
"service_user_id": cfg.UserSharingDrivers.CS3.SystemUserID,
"service_user_idp": cfg.UserSharingDrivers.CS3.SystemUserIDP,
"machine_auth_apikey": cfg.UserSharingDrivers.CS3.SystemUserAPIKey,
},
}
}