57 lines
2.3 KiB
Go
57 lines
2.3 KiB
Go
/*
|
|
Copyright 2015 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package instances
|
|
|
|
import (
|
|
compute "google.golang.org/api/compute/v1"
|
|
)
|
|
|
|
// zoneLister manages lookups for GCE instance groups/instances to zones.
|
|
type zoneLister interface {
|
|
ListZones() ([]string, error)
|
|
GetZoneForNode(name string) (string, error)
|
|
}
|
|
|
|
// NodePool is an interface to manage a pool of kubernetes nodes synced with vm instances in the cloud
|
|
// through the InstanceGroups interface. It handles zones opaquely using the zoneLister.
|
|
type NodePool interface {
|
|
Init(zl zoneLister)
|
|
|
|
// The following 2 methods operate on instance groups.
|
|
AddInstanceGroup(name string, ports []int64) ([]*compute.InstanceGroup, []*compute.NamedPort, error)
|
|
DeleteInstanceGroup(name string) error
|
|
|
|
// TODO: Refactor for modularity
|
|
Add(groupName string, nodeNames []string) error
|
|
Remove(groupName string, nodeNames []string) error
|
|
Sync(nodeNames []string) error
|
|
Get(name, zone string) (*compute.InstanceGroup, error)
|
|
}
|
|
|
|
// InstanceGroups is an interface for managing gce instances groups, and the instances therein.
|
|
type InstanceGroups interface {
|
|
GetInstanceGroup(name, zone string) (*compute.InstanceGroup, error)
|
|
CreateInstanceGroup(ig *compute.InstanceGroup, zone string) error
|
|
DeleteInstanceGroup(name, zone string) error
|
|
|
|
// TODO: Refactor for modulatiry.
|
|
ListInstancesInInstanceGroup(name, zone string, state string) (*compute.InstanceGroupsListInstances, error)
|
|
AddInstancesToInstanceGroup(name, zone string, instanceRefs []*compute.InstanceReference) error
|
|
RemoveInstancesFromInstanceGroup(name, zone string, instanceRefs []*compute.InstanceReference) error
|
|
ToInstanceReferences(zone string, instanceNames []string) (refs []*compute.InstanceReference)
|
|
SetNamedPortsOfInstanceGroup(igName, zone string, namedPorts []*compute.NamedPort) error
|
|
}
|