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Make periodic sync nodes from cloud provider optional.

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--sync_nodes=false gives user flexibility to add/remove nodes in the
cluster using REST api/kubectl cli and at the same time can use
cloud provider for other resources like persistent disks, etc.
This commit is contained in:
Ravi Sankar Penta
2015-01-14 17:05:48 -08:00
parent a84e94574f
commit 3a5ef05f64
7 changed files with 30 additions and 13 deletions
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14
pkg/cloudprovider/controller/nodecontroller.go
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@@ -71,14 +71,18 @@ func NewNodeController(
// Run creates initial node list and start syncing instances from cloudprovider if any.
// It also starts syncing cluster node status.
func (s *NodeController) Run(period time.Duration, retryCount int) {
func (s *NodeController) Run(period time.Duration, retryCount int, syncNodeList bool) {
// Register intial set of nodes with their status set.
var nodes *api.NodeList
var err error
if s.isRunningCloudProvider() {
nodes, err = s.CloudNodes()
if err != nil {
glog.Errorf("Error loading initial node from cloudprovider: %v", err)
if syncNodeList {
nodes, err = s.CloudNodes()
if err != nil {
glog.Errorf("Error loading initial node from cloudprovider: %v", err)
}
} else {
nodes = &api.NodeList{}
}
} else {
nodes, err = s.StaticNodes()
@@ -96,7 +100,7 @@ func (s *NodeController) Run(period time.Duration, retryCount int) {
}
// Start syncing node list from cloudprovider.
if s.isRunningCloudProvider() {
if syncNodeList && s.isRunningCloudProvider() {
go util.Forever(func() {
if err = s.SyncCloud(); err != nil {
glog.Errorf("Error syncing cloud: %v", err)