package main
import (
- "bufio"
"bytes"
- "errors"
"flag"
"fmt"
"git.curoverse.com/arvados.git/sdk/go/keepclient"
"os"
"os/signal"
"strings"
- "sync"
"syscall"
"time"
)
// in order to permit writes.
const MinFreeKilobytes = BlockSize / 1024
-// Until #6221 is resolved, never_delete must be true.
-// However, allow it to be false in testing with TEST_DATA_MANAGER_TOKEN
-const TEST_DATA_MANAGER_TOKEN = "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h"
-
// ProcMounts /proc/mounts
var ProcMounts = "/proc/mounts"
var pullq *WorkQueue
var trashq *WorkQueue
+type volumeSet []Volume
+
var (
flagSerializeIO bool
flagReadonly bool
+ volumes volumeSet
)
-type volumeSet []Volume
-
-func (vs *volumeSet) Set(value string) error {
- if dirs := strings.Split(value, ","); len(dirs) > 1 {
- log.Print("DEPRECATED: using comma-separated volume list.")
- for _, dir := range dirs {
- if err := vs.Set(dir); err != nil {
- return err
- }
- }
- return nil
- }
- if len(value) == 0 || value[0] != '/' {
- return errors.New("Invalid volume: must begin with '/'.")
- }
- if _, err := os.Stat(value); err != nil {
- return err
- }
- var locker sync.Locker
- if flagSerializeIO {
- locker = &sync.Mutex{}
- }
- *vs = append(*vs, &UnixVolume{
- root: value,
- locker: locker,
- readonly: flagReadonly,
- })
- return nil
-}
-
func (vs *volumeSet) String() string {
- s := "["
- for i, v := range *vs {
- if i > 0 {
- s = s + " "
- }
- s = s + v.String()
- }
- return s + "]"
-}
-
-// Discover adds a volume for every directory named "keep" that is
-// located at the top level of a device- or tmpfs-backed mount point
-// other than "/". It returns the number of volumes added.
-func (vs *volumeSet) Discover() int {
- added := 0
- f, err := os.Open(ProcMounts)
- if err != nil {
- log.Fatalf("opening %s: %s", ProcMounts, err)
- }
- scanner := bufio.NewScanner(f)
- for scanner.Scan() {
- args := strings.Fields(scanner.Text())
- if err := scanner.Err(); err != nil {
- log.Fatalf("reading %s: %s", ProcMounts, err)
- }
- dev, mount := args[0], args[1]
- if mount == "/" {
- continue
- }
- if dev != "tmpfs" && !strings.HasPrefix(dev, "/dev/") {
- continue
- }
- keepdir := mount + "/keep"
- if st, err := os.Stat(keepdir); err != nil || !st.IsDir() {
- continue
- }
- // Set the -readonly flag (but only for this volume)
- // if the filesystem is mounted readonly.
- flagReadonlyWas := flagReadonly
- for _, fsopt := range strings.Split(args[3], ",") {
- if fsopt == "ro" {
- flagReadonly = true
- break
- }
- if fsopt == "rw" {
- break
- }
- }
- vs.Set(keepdir)
- flagReadonly = flagReadonlyWas
- added++
- }
- return added
+ return fmt.Sprintf("%+v", (*vs)[:])
}
// TODO(twp): continue moving as much code as possible out of main
listen string
blobSigningKeyFile string
permissionTTLSec int
- volumes volumeSet
pidfile string
)
flag.StringVar(
&neverDelete,
"never-delete",
true,
- "If set, nothing will be deleted. HTTP 405 will be returned "+
- "for valid DELETE requests.")
+ "If true, nothing will be deleted. "+
+ "Warning: the relevant features in keepstore and data manager have not been extensively tested. "+
+ "You should leave this option alone unless you can afford to lose data.")
flag.StringVar(
&blobSigningKeyFile,
"permission-key-file",
"readonly",
false,
"Do not write, delete, or touch anything on the following volumes.")
- flag.Var(
- &volumes,
- "volumes",
- "Deprecated synonym for -volume.")
- flag.Var(
- &volumes,
- "volume",
- "Local storage directory. Can be given more than once to add multiple directories. If none are supplied, the default is to use all directories named \"keep\" that exist in the top level directory of a mount point at startup time. Can be a comma-separated list, but this is deprecated: use multiple -volume arguments instead.")
flag.StringVar(
&pidfile,
"pid",
}
if len(volumes) == 0 {
- if volumes.Discover() == 0 {
+ if (&unixVolumeAdder{&volumes}).Discover() == 0 {
log.Fatal("No volumes found.")
}
}
}
}
- if neverDelete != true && dataManagerToken != TEST_DATA_MANAGER_TOKEN {
- log.Fatal("never_delete must be true, see #6221")
+ if neverDelete != true {
+ log.Print("never-delete is not set. Warning: the relevant features in keepstore and data manager have not " +
+ "been extensively tested. You should leave this option alone unless you can afford to lose data.")
}
if blobSigningKeyFile != "" {
projects / arvados.git / blobdiff