/
opts.go
50 lines (42 loc) · 1.33 KB
/
opts.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
package node
import (
"fmt"
"strings"
"github.com/docker/engine-api/types/swarm"
)
type nodeOptions struct {
role string
membership string
availability string
}
func (opts *nodeOptions) ToNodeSpec() (swarm.NodeSpec, error) {
var spec swarm.NodeSpec
switch swarm.NodeRole(strings.ToLower(opts.role)) {
case swarm.NodeRoleWorker:
spec.Role = swarm.NodeRoleWorker
case swarm.NodeRoleManager:
spec.Role = swarm.NodeRoleManager
case "":
default:
return swarm.NodeSpec{}, fmt.Errorf("invalid role %q, only worker and manager are supported", opts.role)
}
switch swarm.NodeMembership(strings.ToLower(opts.membership)) {
case swarm.NodeMembershipAccepted:
spec.Membership = swarm.NodeMembershipAccepted
case "":
default:
return swarm.NodeSpec{}, fmt.Errorf("invalid membership %q, only accepted is supported", opts.membership)
}
switch swarm.NodeAvailability(strings.ToLower(opts.availability)) {
case swarm.NodeAvailabilityActive:
spec.Availability = swarm.NodeAvailabilityActive
case swarm.NodeAvailabilityPause:
spec.Availability = swarm.NodeAvailabilityPause
case swarm.NodeAvailabilityDrain:
spec.Availability = swarm.NodeAvailabilityDrain
case "":
default:
return swarm.NodeSpec{}, fmt.Errorf("invalid availability %q, only active, pause and drain are supported", opts.availability)
}
return spec, nil
}