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set_provider_id_on_static_nodes.go
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set_provider_id_on_static_nodes.go
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/*
Copyright 2021 Flant JSC
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 hooks
import (
"github.com/flant/addon-operator/pkg/module_manager/go_hook"
"github.com/flant/addon-operator/sdk"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/utils/pointer"
)
var _ = sdk.RegisterFunc(&go_hook.HookConfig{
Queue: "/modules/node-manager",
Kubernetes: []go_hook.KubernetesConfig{
{
Name: "nodes",
WaitForSynchronization: pointer.BoolPtr(false),
ApiVersion: "v1",
Kind: "Node",
FilterFunc: setProviderIDNodeFilter,
},
},
}, handleSetProviderID)
func setProviderIDNodeFilter(obj *unstructured.Unstructured) (go_hook.FilterResult, error) {
var node corev1.Node
err := sdk.FromUnstructured(obj, &node)
if err != nil {
return nil, err
}
var needPatch bool
var hasUninitializedTaint bool
for _, taint := range node.Spec.Taints {
if taint.Key == "node.cloudprovider.kubernetes.io/uninitialized" {
hasUninitializedTaint = true
break
}
}
if !hasUninitializedTaint && node.Spec.ProviderID == "" && node.Labels["node.deckhouse.io/type"] != "CloudEphemeral" {
needPatch = true
}
return providerIDNode{
Name: node.Name,
NeedPatch: needPatch,
}, nil
}
type providerIDNode struct {
Name string
NeedPatch bool
}
func handleSetProviderID(input *go_hook.HookInput) error {
snap := input.Snapshots["nodes"]
for _, sn := range snap {
node := sn.(providerIDNode)
if !node.NeedPatch {
continue
}
input.PatchCollector.MergePatch(staticPatch, "v1", "Node", "", node.Name)
}
return nil
}
var (
staticPatch = map[string]interface{}{
"spec": map[string]string{
"providerID": "static://",
},
}
)