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Move mounts into types.go

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Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-04-11 15:26:23 +00:00
parent a949d39f19
commit 156987c118
3 changed files with 25 additions and 26 deletions
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20
pkg/libcontainer/container.go
View file

@ -37,23 +37,3 @@ type Network struct {
Gateway string `json:"gateway,omitempty"`
Mtu int `json:"mtu,omitempty"`
}
type Mounts []Mount
func (s Mounts) OfType(t string) Mounts {
out := Mounts{}
for _, m := range s {
if m.Type == t {
out = append(out, m)
}
}
return out
}
type Mount struct {
Type string `json:"type,omitempty"`
Source string `json:"source,omitempty"` // Source path, in the host namespace
Destination string `json:"destination,omitempty"` // Destination path, in the container
Writable bool `json:"writable,omitempty"`
Private bool `json:"private,omitempty"`
}

11
pkg/libcontainer/mount/init.go
View file

@ -122,12 +122,9 @@ func setupBindmounts(rootfs string, bindMounts libcontainer.Mounts) error {
return nil
}
// TODO: this is crappy right now and should be cleaned up with a better way of handling system and
// standard bind mounts allowing them to be more dymanic
func newSystemMounts(rootfs, mountLabel string, mounts libcontainer.Mounts) []mount {
devMounts := []mount{
{source: "shm", path: filepath.Join(rootfs, "dev", "shm"), device: "tmpfs", flags: defaultMountFlags, data: label.FormatMountLabel("mode=1777,size=65536k", mountLabel)},
{source: "devpts", path: filepath.Join(rootfs, "dev", "pts"), device: "devpts", flags: syscall.MS_NOSUID | syscall.MS_NOEXEC, data: label.FormatMountLabel("newinstance,ptmxmode=0666,mode=620,gid=5", mountLabel)},
}
systemMounts := []mount{
{source: "proc", path: filepath.Join(rootfs, "proc"), device: "proc", flags: defaultMountFlags},
}
@ -135,7 +132,9 @@ func newSystemMounts(rootfs, mountLabel string, mounts libcontainer.Mounts) []mo
if len(mounts.OfType("devtmpfs")) == 1 {
systemMounts = append(systemMounts, mount{source: "tmpfs", path: filepath.Join(rootfs, "dev"), device: "tmpfs", flags: syscall.MS_NOSUID | syscall.MS_STRICTATIME, data: "mode=755"})
}
systemMounts = append(systemMounts, devMounts...)
systemMounts = append(systemMounts,
mount{source: "shm", path: filepath.Join(rootfs, "dev", "shm"), device: "tmpfs", flags: defaultMountFlags, data: label.FormatMountLabel("mode=1777,size=65536k", mountLabel)},
mount{source: "devpts", path: filepath.Join(rootfs, "dev", "pts"), device: "devpts", flags: syscall.MS_NOSUID | syscall.MS_NOEXEC, data: label.FormatMountLabel("newinstance,ptmxmode=0666,mode=620,gid=5", mountLabel)})
if len(mounts.OfType("sysfs")) == 1 {
systemMounts = append(systemMounts, mount{source: "sysfs", path: filepath.Join(rootfs, "sys"), device: "sysfs", flags: defaultMountFlags})

20
pkg/libcontainer/types.go
View file

@ -11,6 +11,26 @@ var (
ErrUnsupported = errors.New("Unsupported method")
)
type Mounts []Mount
func (s Mounts) OfType(t string) Mounts {
out := Mounts{}
for _, m := range s {
if m.Type == t {
out = append(out, m)
}
}
return out
}
type Mount struct {
Type string `json:"type,omitempty"`
Source string `json:"source,omitempty"` // Source path, in the host namespace
Destination string `json:"destination,omitempty"` // Destination path, in the container
Writable bool `json:"writable,omitempty"`
Private bool `json:"private,omitempty"`
}
// namespaceList is used to convert the libcontainer types
// into the names of the files located in /proc/<pid>/ns/* for
// each namespace