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remove deprecated devicemapper storage-driver

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2022-05-24 17:17:08 +02:00
parent 81359cecdf
commit dc11d2a2d8
59 changed files with 33 additions and 5597 deletions
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5
contrib/check-config.sh
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@@ -374,11 +374,6 @@ check_flags BTRFS_FS_POSIX_ACL | sed 's/^/ /'
[ "$EXITCODE" = 0 ] && STORAGE=0
EXITCODE=0
echo " - \"$(wrap_color 'devicemapper' blue)\":"
check_flags BLK_DEV_DM DM_THIN_PROVISIONING | sed 's/^/ /'
[ "$EXITCODE" = 0 ] && STORAGE=0
EXITCODE=0
echo " - \"$(wrap_color 'overlay' blue)\":"
check_flags OVERLAY_FS | sed 's/^/ /'
[ "$EXITCODE" = 0 ] && STORAGE=0

14
contrib/docker-device-tool/README.md
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@@ -1,14 +0,0 @@
Docker device tool for devicemapper storage driver backend
===================
The ./contrib/docker-device-tool contains a tool to manipulate devicemapper thin-pool.
Compile
========
$ make shell
## inside build container
$ go build contrib/docker-device-tool/device_tool.go
# if devicemapper version is old and compilation fails, compile with `libdm_no_deferred_remove` tag
$ go build -tags libdm_no_deferred_remove contrib/docker-device-tool/device_tool.go

169
contrib/docker-device-tool/device_tool.go
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@@ -1,169 +0,0 @@
//go:build !windows
// +build !windows
package main
import (
"flag"
"fmt"
"os"
"path"
"sort"
"strconv"
"strings"
"github.com/docker/docker/daemon/graphdriver/devmapper"
"github.com/docker/docker/pkg/devicemapper"
"github.com/docker/docker/pkg/idtools"
"github.com/sirupsen/logrus"
)
func usage() {
fmt.Fprintf(os.Stderr, "Usage: %s <flags> [status] | [list] | [device id] | [resize new-pool-size] | [snap new-id base-id] | [remove id] | [mount id mountpoint]\n", os.Args[0])
flag.PrintDefaults()
os.Exit(1)
}
func byteSizeFromString(arg string) (int64, error) {
digits := ""
rest := ""
last := strings.LastIndexAny(arg, "0123456789")
if last >= 0 {
digits = arg[:last+1]
rest = arg[last+1:]
}
val, err := strconv.ParseInt(digits, 10, 64)
if err != nil {
return val, err
}
rest = strings.ToLower(strings.TrimSpace(rest))
var multiplier int64
switch rest {
case "":
multiplier = 1
case "k", "kb":
multiplier = 1024
case "m", "mb":
multiplier = 1024 * 1024
case "g", "gb":
multiplier = 1024 * 1024 * 1024
case "t", "tb":
multiplier = 1024 * 1024 * 1024 * 1024
default:
return 0, fmt.Errorf("Unknown size unit: %s", rest)
}
return val * multiplier, nil
}
func main() {
root := flag.String("r", "/var/lib/docker", "Docker root dir")
flDebug := flag.Bool("D", false, "Debug mode")
flag.Parse()
if *flDebug {
os.Setenv("DEBUG", "1")
logrus.SetLevel(logrus.DebugLevel)
}
if flag.NArg() < 1 {
usage()
}
args := flag.Args()
home := path.Join(*root, "devicemapper")
devices, err := devmapper.NewDeviceSet(home, false, nil, idtools.IdentityMapping{})
if err != nil {
fmt.Println("Can't initialize device mapper: ", err)
os.Exit(1)
}
switch args[0] {
case "status":
status := devices.Status()
fmt.Printf("Pool name: %s\n", status.PoolName)
fmt.Printf("Data Loopback file: %s\n", status.DataLoopback)
fmt.Printf("Metadata Loopback file: %s\n", status.MetadataLoopback)
fmt.Printf("Sector size: %d\n", status.SectorSize)
fmt.Printf("Data use: %d of %d (%.1f %%)\n", status.Data.Used, status.Data.Total, 100.0*float64(status.Data.Used)/float64(status.Data.Total))
fmt.Printf("Metadata use: %d of %d (%.1f %%)\n", status.Metadata.Used, status.Metadata.Total, 100.0*float64(status.Metadata.Used)/float64(status.Metadata.Total))
case "list":
ids := devices.List()
sort.Strings(ids)
for _, id := range ids {
fmt.Println(id)
}
case "device":
if flag.NArg() < 2 {
usage()
}
status, err := devices.GetDeviceStatus(args[1])
if err != nil {
fmt.Println("Can't get device info: ", err)
os.Exit(1)
}
fmt.Printf("Id: %d\n", status.DeviceID)
fmt.Printf("Size: %d\n", status.Size)
fmt.Printf("Transaction Id: %d\n", status.TransactionID)
fmt.Printf("Size in Sectors: %d\n", status.SizeInSectors)
fmt.Printf("Mapped Sectors: %d\n", status.MappedSectors)
fmt.Printf("Highest Mapped Sector: %d\n", status.HighestMappedSector)
case "resize":
if flag.NArg() < 2 {
usage()
}
size, err := byteSizeFromString(args[1])
if err != nil {
fmt.Println("Invalid size: ", err)
os.Exit(1)
}
err = devices.ResizePool(size)
if err != nil {
fmt.Println("Error resizing pool: ", err)
os.Exit(1)
}
case "snap":
if flag.NArg() < 3 {
usage()
}
err := devices.AddDevice(args[1], args[2], nil)
if err != nil {
fmt.Println("Can't create snap device: ", err)
os.Exit(1)
}
case "remove":
if flag.NArg() < 2 {
usage()
}
err := devicemapper.RemoveDevice(args[1])
if err != nil {
fmt.Println("Can't remove device: ", err)
os.Exit(1)
}
case "mount":
if flag.NArg() < 3 {
usage()
}
err := devices.MountDevice(args[1], args[2], "")
if err != nil {
fmt.Println("Can't mount device: ", err)
os.Exit(1)
}
default:
fmt.Printf("Unknown command %s\n", args[0])
usage()
os.Exit(1)
}
}

4
contrib/docker-device-tool/device_tool_windows.go
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@@ -1,4 +0,0 @@
package main
func main() {
}