kotovalexarian-likes-github/moby--moby
1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
Code Releases Activity

Set DOCKER_DRIVER to override the choice of driver (aufs, devicemapper or dummy)

Browse source
This commit is contained in:
Solomon Hykes 2013-11-08 02:49:32 +00:00
parent 1e5c61041f
commit 8c21d2acd3
1 changed files with 16 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
graphdriver/driver.go
View file

@ -3,6 +3,7 @@ package graphdriver
import (
"fmt"
"github.com/dotcloud/docker/archive"
"os"
)
@ -45,19 +46,28 @@ func Register(name string, initFunc InitFunc) error {
return nil
}
func getDriver(name, home string) (Driver, error) {
if initFunc, exists := drivers[name]; exists {
return initFunc(home)
}
return nil, fmt.Errorf("No such driver: %s", name)
}
func New(root string) (Driver, error) {
var driver Driver
var lastError error
// Use environment variable DOCKER_DRIVER to force a choice of driver
if name := os.Getenv("DOCKER_DRIVER"); name != "" {
return getDriver(name, root)
}
// Check for priority drivers first
for _, name := range priority {
if initFunc, exists := drivers[name]; exists {
driver, lastError = initFunc(root)
driver, lastError = getDriver(name, root)
if lastError != nil {
continue
}
return driver, nil
}
}
// Check all registered drivers if no priority driver is found
for _, initFunc := range drivers {