forked from docker-archive/classicswarm
-
Notifications
You must be signed in to change notification settings - Fork 0
/
scheduler.go
52 lines (42 loc) · 1.16 KB
/
scheduler.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
package scheduler
import (
"strings"
"sync"
"github.com/docker/swarm/cluster"
"github.com/docker/swarm/scheduler/filter"
"github.com/docker/swarm/scheduler/strategy"
"github.com/samalba/dockerclient"
)
// Scheduler is exported
type Scheduler struct {
sync.Mutex
strategy strategy.PlacementStrategy
filters []filter.Filter
}
// New is exported
func New(strategy strategy.PlacementStrategy, filters []filter.Filter) *Scheduler {
return &Scheduler{
strategy: strategy,
filters: filters,
}
}
// SelectNodeForContainer will find a nice home for our container.
func (s *Scheduler) SelectNodeForContainer(nodes []cluster.Node, config *dockerclient.ContainerConfig) (cluster.Node, error) {
accepted, err := filter.ApplyFilters(s.filters, config, nodes)
if err != nil {
return nil, err
}
return s.strategy.PlaceContainer(config, accepted)
}
// Strategy returns the strategy name
func (s *Scheduler) Strategy() string {
return s.strategy.Name()
}
// Filters returns the list of filter's name
func (s *Scheduler) Filters() string {
filters := []string{}
for _, f := range s.filters {
filters = append(filters, f.Name())
}
return strings.Join(filters, ", ")
}