mirror of
https://github.com/kubernetes-sigs/node-feature-discovery.git
synced 2025-03-17 05:48:21 +00:00
0945019161
Separate feature discovery and creation of feature labels in the kernel source. Move kernelutils from source/internal back to the source/kernel package. Change the kconfig custom rule to rely on the FeatureSource interface (GetFeatures()) of the kernel source. Also, add minimalist unit test.
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
/*
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Copyright 2020-2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package rules
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import (
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"encoding/json"
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"fmt"
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"strings"
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"sigs.k8s.io/node-feature-discovery/source"
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"sigs.k8s.io/node-feature-discovery/source/kernel"
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)
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// KconfigRule implements Rule
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type KconfigRule []kconfig
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type kconfig struct {
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Name string
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Value string
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}
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func (kconfigs *KconfigRule) Match() (bool, error) {
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options, ok := source.GetFeatureSource("kernel").GetFeatures().Values[kernel.ConfigFeature]
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if !ok {
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return false, fmt.Errorf("kernel config options not available")
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}
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for _, f := range *kconfigs {
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if v, ok := options.Elements[f.Name]; !ok || f.Value != v {
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return false, nil
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}
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}
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return true, nil
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}
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func (c *kconfig) UnmarshalJSON(data []byte) error {
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var raw string
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if err := json.Unmarshal(data, &raw); err != nil {
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return err
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}
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split := strings.SplitN(raw, "=", 2)
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c.Name = split[0]
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if len(split) == 1 {
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c.Value = "true"
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} else {
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c.Value = split[1]
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}
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return nil
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}
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