59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
package checker
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import (
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"context"
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"fmt"
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sdk "git.happydns.org/checker-sdk-go/checker"
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)
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// Rules returns every CheckRule exposed by the resolver-propagation checker.
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// Each rule covers one concern so the UI and metrics consumers can reason
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// about them independently.
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func Rules() []sdk.CheckRule {
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return []sdk.CheckRule{
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&resolverSelectionRule{},
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&resolversReachableRule{},
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&consensusRule{},
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&authoritativeMatchRule{},
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&nxdomainRule{},
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&servfailRule{},
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®ionalSplitRule{},
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&serialDriftRule{},
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&staleCacheRule{},
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&dnssecRule{},
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&resolverLatencyRule{},
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&filteredHitRule{},
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}
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}
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// loadData fetches the observation and returns an error state on failure.
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// It also runs deriveView so every rule sees a ready-to-use consensus.
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func loadData(ctx context.Context, obs sdk.ObservationGetter) (*ResolverPropagationData, *sdk.CheckState) {
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var data ResolverPropagationData
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if err := obs.Get(ctx, ObservationKeyResolverPropagation, &data); err != nil {
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return nil, &sdk.CheckState{
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Status: sdk.StatusError,
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Message: fmt.Sprintf("failed to load resolver-propagation observation: %v", err),
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Code: "resolver_propagation_error",
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}
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}
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deriveView(&data)
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return &data, nil
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}
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func passState(code, message string) sdk.CheckState {
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return sdk.CheckState{Status: sdk.StatusOK, Message: message, Code: code}
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}
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func infoState(code, subject, message string) sdk.CheckState {
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return sdk.CheckState{Status: sdk.StatusInfo, Message: message, Code: code, Subject: subject}
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}
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func warnState(code, subject, message string) sdk.CheckState {
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return sdk.CheckState{Status: sdk.StatusWarn, Message: message, Code: code, Subject: subject}
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}
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func critState(code, subject, message string) sdk.CheckState {
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return sdk.CheckState{Status: sdk.StatusCrit, Message: message, Code: code, Subject: subject}
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}
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