| // Copyright 2016 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // The following enables go generate to generate the doc.go file. |
| //go:generate go run $JIRI_ROOT/release/go/src/v.io/x/lib/cmdline/testdata/gendoc.go . -help |
| |
| package main |
| |
| import ( |
| "fmt" |
| "math/rand" |
| "strings" |
| "time" |
| |
| "v.io/v23" |
| "v.io/v23/context" |
| "v.io/v23/options" |
| |
| "v.io/x/lib/cmdline" |
| "v.io/x/ref/lib/security/securityflag" |
| "v.io/x/ref/lib/signals" |
| "v.io/x/ref/lib/v23cmd" |
| _ "v.io/x/ref/runtime/factories/roaming" |
| "v.io/x/ref/services/mounttable/btmtd/internal" |
| ) |
| |
| var ( |
| cmdRoot = &cmdline.Command{ |
| Runner: v23cmd.RunnerFunc(runMT), |
| Name: "btmtd", |
| Short: "Runs the mounttable service", |
| Long: "Runs the mounttable service.", |
| Children: []*cmdline.Command{ |
| cmdSetup, cmdDestroy, cmdDump, cmdFsck, |
| }, |
| } |
| cmdSetup = &cmdline.Command{ |
| Runner: v23cmd.RunnerFunc(runSetup), |
| Name: "setup", |
| Short: "Creates and sets up the table", |
| Long: "Creates and sets up the table.", |
| } |
| cmdDestroy = &cmdline.Command{ |
| Runner: v23cmd.RunnerFunc(runDestroy), |
| Name: "destroy", |
| Short: "Destroy the table", |
| Long: "Destroy the table. All data will be lost.", |
| } |
| cmdDump = &cmdline.Command{ |
| Runner: v23cmd.RunnerFunc(runDump), |
| Name: "dump", |
| Short: "Dump the table", |
| Long: "Dump the table.", |
| } |
| cmdFsck = &cmdline.Command{ |
| Runner: v23cmd.RunnerFunc(runFsck), |
| Name: "fsck", |
| Short: "Check the table consistency", |
| Long: "Check the table consistency.", |
| } |
| |
| keyFileFlag string |
| projectFlag string |
| zoneFlag string |
| clusterFlag string |
| tableFlag string |
| inMemoryTestFlag bool |
| |
| permissionsFileFlag string |
| mountNameFlag string |
| |
| maxNodesPerUserFlag int |
| maxServersPerUserFlag int |
| |
| fixFlag bool |
| ) |
| |
| func main() { |
| rand.Seed(time.Now().UnixNano()) |
| cmdRoot.Flags.StringVar(&keyFileFlag, "key-file", "", "The file that contains the Google Cloud JSON credentials to use") |
| cmdRoot.Flags.StringVar(&projectFlag, "project", "", "The Google Cloud project of the Cloud Bigtable cluster") |
| cmdRoot.Flags.StringVar(&zoneFlag, "zone", "", "The Google Cloud zone of the Cloud Bigtable cluster") |
| cmdRoot.Flags.StringVar(&clusterFlag, "cluster", "", "The Cloud Bigtable cluster name") |
| cmdRoot.Flags.StringVar(&tableFlag, "table", "mounttable", "The name of the table to use") |
| cmdRoot.Flags.BoolVar(&inMemoryTestFlag, "in-memory-test", false, "If true, use an in-memory bigtable server (for testing only)") |
| cmdRoot.Flags.StringVar(&permissionsFileFlag, "permissions-file", "", "The file that contains the initial node permissions.") |
| cmdRoot.Flags.StringVar(&mountNameFlag, "name", "", "If provided, causes the mount table to mount itself under this name.") |
| |
| cmdRoot.Flags.IntVar(&maxNodesPerUserFlag, "max-nodes-per-user", 10000, "The maximum number of nodes that a single user can create.") |
| cmdRoot.Flags.IntVar(&maxServersPerUserFlag, "max-servers-per-user", 10000, "The maximum number of servers that a single user can mount.") |
| |
| cmdFsck.Flags.BoolVar(&fixFlag, "fix", false, "Whether to fix consistency errors and recreate all the counters.") |
| |
| cmdline.HideGlobalFlagsExcept() |
| cmdline.Main(cmdRoot) |
| } |
| |
| func runSetup(ctx *context.T, env *cmdline.Env, args []string) error { |
| bt, err := internal.NewBigTable(keyFileFlag, projectFlag, zoneFlag, clusterFlag, tableFlag) |
| if err != nil { |
| return err |
| } |
| return bt.SetupTable(ctx, permissionsFileFlag) |
| } |
| |
| func runDestroy(ctx *context.T, env *cmdline.Env, args []string) error { |
| bt, err := internal.NewBigTable(keyFileFlag, projectFlag, zoneFlag, clusterFlag, tableFlag) |
| if err != nil { |
| return err |
| } |
| return bt.DeleteTable(ctx) |
| } |
| |
| func runDump(ctx *context.T, env *cmdline.Env, args []string) error { |
| bt, err := internal.NewBigTable(keyFileFlag, projectFlag, zoneFlag, clusterFlag, tableFlag) |
| if err != nil { |
| return err |
| } |
| return bt.DumpTable(ctx) |
| } |
| |
| func runFsck(ctx *context.T, env *cmdline.Env, args []string) error { |
| bt, err := internal.NewBigTable(keyFileFlag, projectFlag, zoneFlag, clusterFlag, tableFlag) |
| if err != nil { |
| return err |
| } |
| if fixFlag { |
| fmt.Fprintln(env.Stdout, "WARNING: Make sure nothing else is modifying the table while fsck is running") |
| fmt.Fprint(env.Stdout, "Continue [y/N]? ") |
| var answer string |
| if _, err := fmt.Scanf("%s", &answer); err != nil || strings.ToUpper(answer) != "Y" { |
| fmt.Fprintln(env.Stdout, "Aborted") |
| return nil |
| } |
| } |
| return bt.Fsck(ctx, fixFlag) |
| } |
| |
| func runMT(ctx *context.T, env *cmdline.Env, args []string) error { |
| var ( |
| bt *internal.BigTable |
| err error |
| ) |
| if inMemoryTestFlag { |
| var shutdown func() |
| if bt, shutdown, err = internal.NewTestBigTable(tableFlag); err != nil { |
| return err |
| } |
| defer shutdown() |
| if err := bt.SetupTable(ctx, permissionsFileFlag); err != nil { |
| return err |
| } |
| } else { |
| if bt, err = internal.NewBigTable(keyFileFlag, projectFlag, zoneFlag, clusterFlag, tableFlag); err != nil { |
| return err |
| } |
| } |
| |
| globalPerms, err := securityflag.PermissionsFromFlag() |
| if err != nil { |
| return err |
| } |
| cfg := &internal.Config{ |
| GlobalAcl: globalPerms["Admin"], |
| MaxNodesPerUser: int64(maxNodesPerUserFlag), |
| MaxServersPerUser: int64(maxServersPerUserFlag), |
| } |
| disp := internal.NewDispatcher(bt, cfg) |
| ctx, server, err := v23.WithNewDispatchingServer(ctx, mountNameFlag, disp, options.ServesMountTable(true), options.LameDuckTimeout(30*time.Second)) |
| if err != nil { |
| return err |
| } |
| ctx.Infof("Listening on: %v", server.Status().Endpoints) |
| |
| <-signals.ShutdownOnSignals(ctx) |
| return nil |
| } |