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minifaas/engine/docker/volumes.go

69 lines
1.2 KiB
Go

package docker
import (
"context"
"io/ioutil"
"path/filepath"
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/mount"
)
func CreateVolumeDir(target string, readOnly bool) (*mount.Mount, error) {
abs, err := filepath.Abs("artifacts")
if err != nil {
return nil, err
}
dir, err := ioutil.TempDir(abs, "")
if err != nil {
return nil, err
}
return &mount.Mount{
Type: mount.TypeBind,
Source: dir,
Target: target,
ReadOnly: readOnly,
}, nil
}
func GetArtifactsVolumes(id string) (ret []string, err error) {
abs, err := filepath.Abs("artifacts")
if err != nil {
return nil, err
}
mnt, err := GetVolumes(id)
if err != nil {
return nil, err
}
for _, m := range mnt {
if m.Type == mount.TypeBind && strings.HasPrefix(m.Source, abs) {
ret = append(ret, strings.TrimPrefix(m.Source, abs))
}
}
return
}
func GetVolumes(id string) (ret []types.MountPoint, err error) {
cli, err := newCli()
if err != nil {
return nil, err
}
ctr, err := cli.ContainerInspect(context.Background(), id)
if err != nil {
return nil, err
}
for _, mnt := range ctr.Mounts {
ret = append(ret, mnt)
}
return
}