dd0e8eec14
* copyright headers for agent folder * Ignore test data files * fix proto files and remove headers in agent/uiserver folder * ignore deep-copy files
136 lines
3.1 KiB
Go
136 lines
3.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package consul
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import (
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"reflect"
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"testing"
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"time"
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fuzz "github.com/google/gofuzz"
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"github.com/stretchr/testify/require"
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)
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func TestCloneSerfLANConfig(t *testing.T) {
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config := DefaultConfig().SerfLANConfig
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// NOTE: ALL fields on serf.Config and memberlist.Config MUST BE
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// represented either here or in the CloneSerfLANConfig function body.
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// Failure to add it to the clone or ignore sections will fail the test.
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memberlistIgnoreFieldNames := []string{
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"Alive",
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"AwarenessMaxMultiplier",
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"Conflict",
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"Delegate",
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"DelegateProtocolMax",
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"DelegateProtocolMin",
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"DelegateProtocolVersion",
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"DisableTcpPings",
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"DisableTcpPingsForNode",
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"DNSConfigPath",
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"EnableCompression",
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"Events",
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"GossipToTheDeadTime",
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"HandoffQueueDepth",
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"IndirectChecks",
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"Label",
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"Logger",
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"LogOutput",
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"Merge",
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"Name",
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"Ping",
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"ProtocolVersion",
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"PushPullInterval",
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"QueueCheckInterval",
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"RequireNodeNames",
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"SkipInboundLabelCheck",
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"SuspicionMaxTimeoutMult",
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"TCPTimeout",
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"Transport",
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"UDPBufferSize",
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}
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serfIgnoreFieldNames := []string{
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"BroadcastTimeout",
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"CoalescePeriod",
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"DisableCoordinates",
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"EnableNameConflictResolution",
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"EventBuffer",
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"EventCh",
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"FlapTimeout",
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"LeavePropagateDelay",
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"LogOutput",
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"Logger",
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"MaxQueueDepth",
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"MemberlistConfig",
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"Merge",
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"MinQueueDepth",
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"NodeName",
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"ProtocolVersion",
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"QueryBuffer",
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"QueryResponseSizeLimit",
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"QuerySizeLimit",
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"QueryTimeoutMult",
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"QueueCheckInterval",
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"QueueDepthWarning",
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"QuiescentPeriod",
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"RecentIntentTimeout",
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"ReconnectInterval",
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"ReconnectTimeoutOverride",
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"RejoinAfterLeave",
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"SnapshotPath",
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"Tags",
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"UserCoalescePeriod",
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"UserEventSizeLimit",
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"UserQuiescentPeriod",
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"ValidateNodeNames",
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}
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serfFuzzed := fuzzNonIgnoredFields(config, serfIgnoreFieldNames)
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t.Logf("Fuzzing serf.Config fields: %v", serfFuzzed)
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memberlistFuzzed := fuzzNonIgnoredFields(config.MemberlistConfig, memberlistIgnoreFieldNames)
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t.Logf("Fuzzing memberlist.Config fields: %v", memberlistFuzzed)
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clone := CloneSerfLANConfig(config)
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require.Equal(t, config, clone)
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}
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func fuzzNonIgnoredFields(value interface{}, ignoredFields []string) []string {
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ignored := make(map[string]struct{})
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for _, field := range ignoredFields {
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ignored[field] = struct{}{}
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}
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var fuzzed []string
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// Walk the fields of our object to fuzz and selectively only fuzz the
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// fields that were not ignored.
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fuzzer := fuzz.NewWithSeed(time.Now().UnixNano())
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v := reflect.ValueOf(value).Elem()
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for i := 0; i < v.NumField(); i++ {
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field := v.Field(i)
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if !field.CanInterface() {
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continue // skip unexported fields
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}
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fieldName := v.Type().Field(i).Name
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if _, ok := ignored[fieldName]; ok {
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continue
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}
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fuzzed = append(fuzzed, fieldName)
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// copy the data somewhere mutable
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tmp := reflect.New(field.Type())
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tmp.Elem().Set(field)
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// fuzz the copy
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fuzzer.Fuzz(tmp.Interface())
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// and set the fuzzed copy back to the original location
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field.Set(reflect.Indirect(tmp))
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}
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return fuzzed
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}
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