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Add ability to work with individual namespaces

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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 2014-03-21 00:23:34 +00:00
parent 67a1625791
commit 0114737132
2 changed files with 11 additions and 4 deletions
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4
libcontainer/nsinit/command.go
View file

@ -39,7 +39,9 @@ func (c *DefaultCommandFactory) Create(container *libcontainer.Container, consol
// flags on clone, unshare, and setns // flags on clone, unshare, and setns
func GetNamespaceFlags(namespaces libcontainer.Namespaces) (flag int) { func GetNamespaceFlags(namespaces libcontainer.Namespaces) (flag int) {
for _, ns := range namespaces { for _, ns := range namespaces {
flag |= ns.Value if ns.Enabled {
flag |= ns.Value
}
} }
return flag return flag
} }

11
libcontainer/types.go
View file

@ -53,7 +53,8 @@ func (ns *Namespace) String() string {
func GetNamespace(key string) *Namespace { func GetNamespace(key string) *Namespace {
for _, ns := range namespaceList { for _, ns := range namespaceList {
if ns.Key == key { if ns.Key == key {
return ns cpy := *ns
return &cpy
} }
} }
return nil return nil
@ -62,12 +63,16 @@ func GetNamespace(key string) *Namespace {
// Contains returns true if the specified Namespace is // Contains returns true if the specified Namespace is
// in the slice // in the slice
func (n Namespaces) Contains(ns string) bool { func (n Namespaces) Contains(ns string) bool {
return n.Get(ns) != nil
}
func (n Namespaces) Get(ns string) *Namespace {
for _, nsp := range n { for _, nsp := range n {
if nsp.Key == ns { if nsp.Key == ns {
return true return nsp
} }
} }
return false return nil
} }
type ( type (