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https://github.com/kubernetes-sigs/node-feature-discovery.git
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19a57789ad
* fix comments and conditonals to fix lint issues * more linter fixes and spelling fixes * fix linter issues based on feedback
53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
/*
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Copyright 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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nfdv1alpha1 "sigs.k8s.io/node-feature-discovery/pkg/apis/nfd/v1alpha1"
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"sigs.k8s.io/node-feature-discovery/source"
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"sigs.k8s.io/node-feature-discovery/source/system"
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)
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// NodenameRule matches on nodenames configured in a ConfigMap
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type NodenameRule struct {
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nfdv1alpha1.MatchExpression
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}
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// Match checks if node name matches the rule.
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func (r *NodenameRule) Match() (bool, error) {
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nodeName, ok := source.GetFeatureSource("system").GetFeatures().Values[system.NameFeature].Elements["nodename"]
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if !ok || nodeName == "" {
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return false, fmt.Errorf("node name not available")
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}
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return r.MatchExpression.Match(true, nodeName)
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}
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// UnmarshalJSON unmarshals and validates the data provided
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func (r *NodenameRule) UnmarshalJSON(data []byte) error {
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if err := json.Unmarshal(data, &r.MatchExpression); err != nil {
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return err
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}
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// Force regexp matching
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if r.Op == nfdv1alpha1.MatchIn {
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r.Op = nfdv1alpha1.MatchInRegexp
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}
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// We need to run Validate() because operator forcing above
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return r.Validate()
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}
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