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Implement upgrade-aliases.sh to migrate a route-based k8s cluster to use IP aliases in GCE.

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This commit is contained in:
Jing Ai
2017-11-20 21:11:50 -08:00
parent 40e7101844
commit 551ffbe7bf
6 changed files with 182 additions and 9 deletions
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8
pkg/controller/node/ipam/sync/sync.go
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@@ -244,9 +244,7 @@ func (op *updateOp) validateRange(ctx context.Context, sync *NodeSync, node *v1.
// alias.
func (op *updateOp) updateNodeFromAlias(ctx context.Context, sync *NodeSync, node *v1.Node, aliasRange *net.IPNet) error {
if sync.mode != SyncFromCloud {
sync.kubeAPI.EmitNodeWarningEvent(node.Name, InvalidModeEvent,
"Cannot sync from cloud in mode %q", sync.mode)
return fmt.Errorf("cannot sync from cloud in mode %q", sync.mode)
fmt.Errorf("Detect mode %q while expect mode %q when syncing from cloud", sync.mode, SyncFromCloud)
}
glog.V(2).Infof("Updating node spec with alias range, node.PodCIDR = %v", aliasRange)
@@ -276,9 +274,7 @@ func (op *updateOp) updateNodeFromAlias(ctx context.Context, sync *NodeSync, nod
// updateAliasFromNode updates the cloud alias given the node allocation.
func (op *updateOp) updateAliasFromNode(ctx context.Context, sync *NodeSync, node *v1.Node) error {
if sync.mode != SyncFromCluster {
sync.kubeAPI.EmitNodeWarningEvent(
node.Name, InvalidModeEvent, "Cannot sync to cloud in mode %q", sync.mode)
return fmt.Errorf("cannot sync to cloud in mode %q", sync.mode)
fmt.Errorf("Detect mode %q while expect mode %q when syncing from cluster", sync.mode, SyncFromCluster)
}
_, aliasRange, err := net.ParseCIDR(node.Spec.PodCIDR)