package main
import (
+ "errors"
+ "flag"
"fmt"
"io"
+ "io/ioutil"
+ "log"
+ "strings"
"time"
"github.com/Azure/azure-sdk-for-go/storage"
)
+var (
+ azureStorageAccountName string
+ azureStorageAccountKeyFile string
+)
+
+type azureVolumeAdder struct {
+ *volumeSet
+}
+
+func (s *azureVolumeAdder) Set(containerName string) error {
+ if containerName == "" {
+ return errors.New("no container name given")
+ }
+ buf, err := ioutil.ReadFile(azureStorageAccountKeyFile)
+ if err != nil {
+ return errors.New("reading key from " + azureStorageAccountKeyFile + ": " + err.Error())
+ }
+ accountKey := strings.TrimSpace(string(buf))
+ if accountKey == "" {
+ return errors.New("empty account key in " + azureStorageAccountKeyFile)
+ }
+ azClient, err := storage.NewBasicClient(azureStorageAccountName, accountKey)
+ if err != nil {
+ return errors.New("creating Azure storage client: " + err.Error())
+ }
+ if flagSerializeIO {
+ log.Print("Notice: -serialize is not supported by azure-blob-container volumes.")
+ }
+ *s.volumeSet = append(*s.volumeSet, NewAzureBlobVolume(azClient, containerName, flagReadonly))
+ return nil
+}
+
+func init() {
+ flag.Var(&azureVolumeAdder{&volumes},
+ "azure-storage-container-volume",
+ "Use the given container as a storage volume. Can be given multiple times.")
+ flag.StringVar(
+ &azureStorageAccountName,
+ "azure-storage-account-name",
+ "",
+ "Azure storage account name used for subsequent --azure-storage-container-volume arguments.")
+ flag.StringVar(
+ &azureStorageAccountKeyFile,
+ "azure-storage-account-key-file",
+ "",
+ "File containing the account key used for subsequent --azure-storage-container-volume arguments.")
+}
+
// An AzureBlobVolume stores and retrieves blocks in an Azure Blob
// container.
type AzureBlobVolume struct {
}
func (v *AzureBlobVolume) String() string {
- return fmt.Sprintf("%+v", v.azClient)
+ return fmt.Sprintf("azure-storage-container:%+q", v.containerName)
}
func (v *AzureBlobVolume) Writable() bool {
package main
import (
- "bufio"
"bytes"
- "errors"
"flag"
"fmt"
"git.curoverse.com/arvados.git/sdk/go/keepclient"
"os"
"os/signal"
"strings"
- "sync"
"syscall"
"time"
)
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(
"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.")
}
}
f.Close()
ProcMounts = f.Name()
- var resultVols volumeSet
- added := resultVols.Discover()
+ resultVols := volumeSet{}
+ added := (&unixVolumeAdder{&resultVols}).Discover()
if added != len(resultVols) {
t.Errorf("Discover returned %d, but added %d volumes",
f.Close()
ProcMounts = f.Name()
- var resultVols volumeSet
- added := resultVols.Discover()
+ resultVols := volumeSet{}
+ added := (&unixVolumeAdder{&resultVols}).Discover()
if added != 0 || len(resultVols) != 0 {
t.Fatalf("got %d, %v; expected 0, []", added, resultVols)
}
package main
import (
+ "bufio"
"bytes"
+ "errors"
+ "flag"
"fmt"
"io"
"io/ioutil"
"time"
)
+type unixVolumeAdder struct {
+ *volumeSet
+}
+
+func (vs *unixVolumeAdder) 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.volumeSet = append(*vs.volumeSet, &UnixVolume{
+ root: value,
+ locker: locker,
+ readonly: flagReadonly,
+ })
+ return nil
+}
+
+func init() {
+ flag.Var(
+ &unixVolumeAdder{&volumes},
+ "volumes",
+ "Deprecated synonym for -volume.")
+ flag.Var(
+ &unixVolumeAdder{&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.")
+}
+
+// Discover adds a UnixVolume 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 *unixVolumeAdder) 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
+ }
+ }
+ if err := vs.Set(keepdir); err != nil {
+ log.Printf("adding %q: %s", keepdir, err)
+ } else {
+ added++
+ }
+ flagReadonly = flagReadonlyWas
+ }
+ return added
+}
+
// A UnixVolume stores and retrieves blocks in a local directory.
type UnixVolume struct {
// path to the volume's root directory
projects / arvados.git / commitdiff