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This commit is contained in:
Brian DeHamer 2015-07-31 22:23:17 +00:00
parent 058d6e5507
commit d6321bf8dc
6 changed files with 42 additions and 1 deletions
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7
container/sort.go
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@ -12,6 +12,8 @@ type ByCreated []Container
func (c ByCreated) Len() int { return len(c) }
func (c ByCreated) Swap(i, j int) { c[i], c[j] = c[j], c[i] }
// Less will compare two elements (identified by index) in the Container
// list by created-date.
func (c ByCreated) Less(i, j int) bool {
t1, err := time.Parse(time.RFC3339Nano, c[i].containerInfo.Created)
if err != nil {
@ -26,6 +28,11 @@ func (c ByCreated) Less(i, j int) bool {
return t1.Before(t2)
}
// SortByDependencies will sort the list of containers taking into account any
// links between containers. Container with no outgoing links will be sorted to
// the front of the list while containers with links will be sorted after all
// of their dependencies. This sort order ensures that linked containers can
// be started in the correct order.
func SortByDependencies(containers []Container) ([]Container, error) {
sorter := dependencySorter{}
return sorter.Sort(containers)