mirror of
https://github.com/kubernetes-sigs/node-feature-discovery.git
synced 2025-03-10 02:37:11 +00:00
Support templating of label names in feature rules. It is available both in NodeFeatureRule CRs and in custom rule configuration of nfd-worker. This patch adds a new 'labelsTemplate' field to the rule spec, making it possible to dynamically generate multiple labels per rule based on the matched features. The feature relies on the golang "text/template" package. When expanded, the template must contain labels in a raw <key>[=<value>] format (where 'value' defaults to "true"), separated by newlines i.e.: - name: <rule-name> labelsTemplate: | <label-1>[=<value-1>] <label-2>[=<value-2>] ... All the matched features of 'matchFeatures' directives are available for templating engine in a nested data structure that can be described in yaml as: . <domain-1>: <key-feature-1>: - Name: <matched-key> - ... <value-feature-1: - Name: <matched-key> Value: <matched-value> - ... <instance-feature-1>: - <attribute-1-name>: <attribute-1-value> <attribute-2-name>: <attribute-2-value> ... - ... <domain-2>: ... That is, the per-feature data available for matching depends on the type of feature that was matched: - "key features": only 'Name' is available - "value features": 'Name' and 'Value' can be used - "instance features": all attributes of the matched instance are available NOTE: In case of matchAny is specified, the template is executed separately against each individual matchFeatures matcher and the eventual set of labels is a superset of all these expansions. Consider the following: - name: <name> labelsTemplate: <template> matchAny: - matchFeatures: <matcher#1> - matchFeatures: <matcher#2> matchFeatures: <matcher#3> In the example above (assuming the overall result is a match) the template would be executed on matcher#1 and/or matcher#2 (depending on whether both or only one of them match), and finally on matcher#3, and all the labels from these separate expansions would be created (i.e. the end result would be a union of all the individual expansions). NOTE 2: The 'labels' field has priority over 'labelsTemplate', i.e. labels specified in the 'labels' field will override any labels originating from the 'labelsTemplate' field. A special case of an empty match expression set matches everything (i.e. matches/returns all existing keys/values). This makes it simpler to write templates that run over all values. Also, makes it possible to later implement support for templates that run over all _keys_ of a feature. Some example configurations: - name: "my-pci-template-features" labelsTemplate: | {{ range .pci.device }}intel-{{ .class }}-{{ .device }}=present {{ end }} matchFeatures: - feature: pci.device matchExpressions: class: {op: InRegexp, value: ["^06"]} vendor: ["8086"] - name: "my-system-template-features" labelsTemplate: | {{ range .system.osrelease }}system-{{ .Name }}={{ .Value }} {{ end }} matchFeatures: - feature: system.osRelease matchExpressions: ID: {op: Exists} VERSION_ID.major: {op: Exists} Imaginative template pipelines are possible, of course, but care must be taken in order to produce understandable and maintainable rule sets.
343 lines
9.2 KiB
Go
343 lines
9.2 KiB
Go
//go:build !ignore_autogenerated
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// +build !ignore_autogenerated
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// Code generated by controller-gen. DO NOT EDIT.
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package v1alpha1
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import (
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"k8s.io/apimachinery/pkg/runtime"
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)
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in Expressions) DeepCopyInto(out *Expressions) {
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{
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in := &in
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*out = make(Expressions, len(*in))
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for key, val := range *in {
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var outVal *MatchExpression
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if val == nil {
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(*out)[key] = nil
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} else {
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in, out := &val, &outVal
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*out = new(MatchExpression)
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(*in).DeepCopyInto(*out)
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}
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(*out)[key] = outVal
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}
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Expressions.
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func (in Expressions) DeepCopy() Expressions {
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if in == nil {
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return nil
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}
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out := new(Expressions)
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in.DeepCopyInto(out)
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return *out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in FeatureMatcher) DeepCopyInto(out *FeatureMatcher) {
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{
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in := &in
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*out = make(FeatureMatcher, len(*in))
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for i := range *in {
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(*in)[i].DeepCopyInto(&(*out)[i])
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}
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new FeatureMatcher.
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func (in FeatureMatcher) DeepCopy() FeatureMatcher {
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if in == nil {
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return nil
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}
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out := new(FeatureMatcher)
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in.DeepCopyInto(out)
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return *out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *FeatureMatcherTerm) DeepCopyInto(out *FeatureMatcherTerm) {
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*out = *in
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in.MatchExpressions.DeepCopyInto(&out.MatchExpressions)
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new FeatureMatcherTerm.
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func (in *FeatureMatcherTerm) DeepCopy() *FeatureMatcherTerm {
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if in == nil {
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return nil
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}
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out := new(FeatureMatcherTerm)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *MatchAnyElem) DeepCopyInto(out *MatchAnyElem) {
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*out = *in
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if in.MatchFeatures != nil {
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in, out := &in.MatchFeatures, &out.MatchFeatures
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*out = make(FeatureMatcher, len(*in))
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for i := range *in {
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(*in)[i].DeepCopyInto(&(*out)[i])
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}
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchAnyElem.
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func (in *MatchAnyElem) DeepCopy() *MatchAnyElem {
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if in == nil {
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return nil
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}
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out := new(MatchAnyElem)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *MatchExpression) DeepCopyInto(out *MatchExpression) {
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*out = *in
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if in.Value != nil {
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in, out := &in.Value, &out.Value
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*out = make(MatchValue, len(*in))
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copy(*out, *in)
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}
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in.valueRe.DeepCopyInto(&out.valueRe)
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchExpression.
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func (in *MatchExpression) DeepCopy() *MatchExpression {
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if in == nil {
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return nil
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}
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out := new(MatchExpression)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *MatchExpressionSet) DeepCopyInto(out *MatchExpressionSet) {
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*out = *in
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if in.Expressions != nil {
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in, out := &in.Expressions, &out.Expressions
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*out = make(Expressions, len(*in))
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for key, val := range *in {
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var outVal *MatchExpression
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if val == nil {
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(*out)[key] = nil
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} else {
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in, out := &val, &outVal
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*out = new(MatchExpression)
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(*in).DeepCopyInto(*out)
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}
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(*out)[key] = outVal
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}
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchExpressionSet.
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func (in *MatchExpressionSet) DeepCopy() *MatchExpressionSet {
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if in == nil {
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return nil
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}
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out := new(MatchExpressionSet)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in MatchValue) DeepCopyInto(out *MatchValue) {
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{
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in := &in
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*out = make(MatchValue, len(*in))
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copy(*out, *in)
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchValue.
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func (in MatchValue) DeepCopy() MatchValue {
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if in == nil {
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return nil
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}
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out := new(MatchValue)
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in.DeepCopyInto(out)
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return *out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in MatchedInstance) DeepCopyInto(out *MatchedInstance) {
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{
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in := &in
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*out = make(MatchedInstance, len(*in))
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for key, val := range *in {
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(*out)[key] = val
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}
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchedInstance.
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func (in MatchedInstance) DeepCopy() MatchedInstance {
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if in == nil {
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return nil
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}
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out := new(MatchedInstance)
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in.DeepCopyInto(out)
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return *out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *MatchedKey) DeepCopyInto(out *MatchedKey) {
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*out = *in
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchedKey.
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func (in *MatchedKey) DeepCopy() *MatchedKey {
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if in == nil {
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return nil
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}
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out := new(MatchedKey)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *MatchedValue) DeepCopyInto(out *MatchedValue) {
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*out = *in
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchedValue.
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func (in *MatchedValue) DeepCopy() *MatchedValue {
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if in == nil {
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return nil
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}
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out := new(MatchedValue)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *NodeFeatureRule) DeepCopyInto(out *NodeFeatureRule) {
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*out = *in
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out.TypeMeta = in.TypeMeta
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in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
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in.Spec.DeepCopyInto(&out.Spec)
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeFeatureRule.
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func (in *NodeFeatureRule) DeepCopy() *NodeFeatureRule {
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if in == nil {
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return nil
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}
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out := new(NodeFeatureRule)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
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func (in *NodeFeatureRule) DeepCopyObject() runtime.Object {
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if c := in.DeepCopy(); c != nil {
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return c
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}
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return nil
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *NodeFeatureRuleList) DeepCopyInto(out *NodeFeatureRuleList) {
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*out = *in
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out.TypeMeta = in.TypeMeta
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in.ListMeta.DeepCopyInto(&out.ListMeta)
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if in.Items != nil {
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in, out := &in.Items, &out.Items
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*out = make([]NodeFeatureRule, len(*in))
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for i := range *in {
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(*in)[i].DeepCopyInto(&(*out)[i])
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}
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeFeatureRuleList.
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func (in *NodeFeatureRuleList) DeepCopy() *NodeFeatureRuleList {
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if in == nil {
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return nil
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}
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out := new(NodeFeatureRuleList)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
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func (in *NodeFeatureRuleList) DeepCopyObject() runtime.Object {
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if c := in.DeepCopy(); c != nil {
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return c
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}
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return nil
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *NodeFeatureRuleSpec) DeepCopyInto(out *NodeFeatureRuleSpec) {
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*out = *in
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if in.Rules != nil {
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in, out := &in.Rules, &out.Rules
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*out = make([]Rule, len(*in))
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for i := range *in {
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(*in)[i].DeepCopyInto(&(*out)[i])
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}
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeFeatureRuleSpec.
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func (in *NodeFeatureRuleSpec) DeepCopy() *NodeFeatureRuleSpec {
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if in == nil {
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return nil
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}
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out := new(NodeFeatureRuleSpec)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *Rule) DeepCopyInto(out *Rule) {
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*out = *in
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if in.Labels != nil {
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in, out := &in.Labels, &out.Labels
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*out = make(map[string]string, len(*in))
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for key, val := range *in {
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(*out)[key] = val
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}
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}
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if in.MatchFeatures != nil {
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in, out := &in.MatchFeatures, &out.MatchFeatures
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*out = make(FeatureMatcher, len(*in))
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for i := range *in {
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(*in)[i].DeepCopyInto(&(*out)[i])
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}
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}
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if in.MatchAny != nil {
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in, out := &in.MatchAny, &out.MatchAny
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*out = make([]MatchAnyElem, len(*in))
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for i := range *in {
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(*in)[i].DeepCopyInto(&(*out)[i])
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}
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}
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if in.labelsTemplate != nil {
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in, out := &in.labelsTemplate, &out.labelsTemplate
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*out = (*in).DeepCopy()
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}
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if in.varsTemplate != nil {
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in, out := &in.varsTemplate, &out.varsTemplate
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*out = (*in).DeepCopy()
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}
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Rule.
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func (in *Rule) DeepCopy() *Rule {
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if in == nil {
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return nil
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}
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out := new(Rule)
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in.DeepCopyInto(out)
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return out
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}
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