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Merge pull request #4993 from jrosinsk/oci-provider-handle-multiple-ip-4940

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fix(oci): records with multiple IP addresses
This commit is contained in:
Kubernetes Prow Robot 2025-02-05 00:28:16 -08:00 committed by GitHub
commit b9d033b1a0
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2 changed files with 213 additions and 10 deletions
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68
provider/oci/oci.go
View File

@ -170,6 +170,39 @@ func (p *OCIProvider) zones(ctx context.Context) (map[string]dns.ZoneSummary, er
return zones, nil
}
// Merge Endpoints with the same Name and Type into a single endpoint with multiple Targets.
func mergeEndpointsMultiTargets(endpoints []*endpoint.Endpoint) []*endpoint.Endpoint {
endpointsByNameType := map[string][]*endpoint.Endpoint{}
for _, ep := range endpoints {
key := fmt.Sprintf("%s-%s", ep.DNSName, ep.RecordType)
endpointsByNameType[key] = append(endpointsByNameType[key], ep)
}
// If there were no merges, return endpoints.
if len(endpointsByNameType) == len(endpoints) {
return endpoints
}
// Otherwise, create a new list of endpoints with the consolidated targets.
var mergedEndpoints []*endpoint.Endpoint
for _, endpoints := range endpointsByNameType {
dnsName := endpoints[0].DNSName
recordType := endpoints[0].RecordType
recordTTL := endpoints[0].RecordTTL
targets := make([]string, len(endpoints))
for i, e := range endpoints {
targets[i] = e.Targets[0]
}
e := endpoint.NewEndpointWithTTL(dnsName, recordType, recordTTL, targets...)
mergedEndpoints = append(mergedEndpoints, e)
}
return mergedEndpoints
}
func (p *OCIProvider) addPaginatedZones(ctx context.Context, zones map[string]dns.ZoneSummary, scope dns.GetZoneScopeEnum) error {
var page *string
// Loop until we have listed all zones.
@ -200,9 +233,22 @@ func (p *OCIProvider) addPaginatedZones(ctx context.Context, zones map[string]dn
func (p *OCIProvider) newFilteredRecordOperations(endpoints []*endpoint.Endpoint, opType dns.RecordOperationOperationEnum) []dns.RecordOperation {
ops := []dns.RecordOperation{}
for _, endpoint := range endpoints {
if p.domainFilter.Match(endpoint.DNSName) {
ops = append(ops, newRecordOperation(endpoint, opType))
for _, ep := range endpoints {
if ep == nil {
continue
}
if p.domainFilter.Match(ep.DNSName) {
for _, t := range ep.Targets {
singleTargetEp := &endpoint.Endpoint{
DNSName: ep.DNSName,
Targets: []string{t},
RecordType: ep.RecordType,
RecordTTL: ep.RecordTTL,
Labels: ep.Labels,
ProviderSpecific: ep.ProviderSpecific,
}
ops = append(ops, newRecordOperation(singleTargetEp, opType))
}
}
}
return ops
@ -248,6 +294,8 @@ func (p *OCIProvider) Records(ctx context.Context) ([]*endpoint.Endpoint, error)
}
}
endpoints = mergeEndpointsMultiTargets(endpoints)
return endpoints, nil
}
@ -299,6 +347,20 @@ func (p *OCIProvider) ApplyChanges(ctx context.Context, changes *plan.Changes) e
return nil
}
// AdjustEndpoints modifies the endpoints as needed by the specific provider
func (p *OCIProvider) AdjustEndpoints(endpoints []*endpoint.Endpoint) ([]*endpoint.Endpoint, error) {
adjustedEndpoints := []*endpoint.Endpoint{}
for _, e := range endpoints {
// OCI DNS does not support the set-identifier attribute, so we remove it to avoid plan failure
if e.SetIdentifier != "" {
log.Warnf("Adjusting endpont: %v. Ignoring unsupported annotation 'set-identifier': %s", *e, e.SetIdentifier)
e.SetIdentifier = ""
}
adjustedEndpoints = append(adjustedEndpoints, e)
}
return adjustedEndpoints, nil
}
// newRecordOperation returns a RecordOperation based on a given endpoint.
func newRecordOperation(ep *endpoint.Endpoint, opType dns.RecordOperationOperationEnum) dns.RecordOperation {
targets := make([]string, len(ep.Targets))

155
provider/oci/oci_test.go
View File

@ -541,7 +541,7 @@ func newMutableMockOCIDNSClient(zones []dns.ZoneSummary, recordsByZone map[strin
for zoneID, records := range recordsByZone {
for _, record := range records {
c.records[zoneID][ociRecordKey(*record.Rtype, *record.Domain)] = record
c.records[zoneID][ociRecordKey(*record.Rtype, *record.Domain, *record.Rdata)] = record
}
}
@ -577,8 +577,18 @@ func (c *mutableMockOCIDNSClient) GetZoneRecords(ctx context.Context, request dn
return
}
func ociRecordKey(rType, domain string) string {
return rType + "/" + domain
func ociRecordKey(rType, domain string, ip string) string {
rdata := ""
if rType == "A" { // adds support for multi-targets with same rtype and domain
rdata = "_" + ip
}
return rType + "_" + domain + rdata
}
func sortEndpointTargets(endpoints []*endpoint.Endpoint) {
for _, ep := range endpoints {
sort.Strings([]string(ep.Targets))
}
}
func (c *mutableMockOCIDNSClient) PatchZoneRecords(ctx context.Context, request dns.PatchZoneRecordsRequest) (response dns.PatchZoneRecordsResponse, err error) {
@ -599,7 +609,7 @@ func (c *mutableMockOCIDNSClient) PatchZoneRecords(ctx context.Context, request
})
for _, op := range request.Items {
k := ociRecordKey(*op.Rtype, *op.Domain)
k := ociRecordKey(*op.Rtype, *op.Domain, *op.Rdata)
switch op.Operation {
case dns.RecordOperationOperationAdd:
records[k] = dns.Record{
@ -702,6 +712,7 @@ func TestMutableMockOCIDNSClient(t *testing.T) {
}
func TestOCIApplyChanges(t *testing.T) {
testCases := []struct {
name string
zones []dns.ZoneSummary
@ -840,10 +851,15 @@ func TestOCIApplyChanges(t *testing.T) {
Rtype: common.String(endpoint.RecordTypeA),
Ttl: common.Int(ociRecordTTL),
}, {
Domain: common.String("bar.foo.com"),
Domain: common.String("car.foo.com"),
Rdata: common.String("bar.com."),
Rtype: common.String(endpoint.RecordTypeCNAME),
Ttl: common.Int(ociRecordTTL),
}, {
Domain: common.String("bar.foo.com"),
Rdata: common.String("baz.com."),
Rtype: common.String(endpoint.RecordTypeCNAME),
Ttl: common.Int(ociRecordTTL),
}},
},
changes: &plan.Changes{
@ -851,10 +867,10 @@ func TestOCIApplyChanges(t *testing.T) {
"foo.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"baz.com.",
"127.0.0.1",
)},
UpdateOld: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"bar.foo.com",
"car.foo.com",
endpoint.RecordTypeCNAME,
endpoint.TTL(ociRecordTTL),
"baz.com.",
@ -886,6 +902,129 @@ func TestOCIApplyChanges(t *testing.T) {
"127.0.0.1"),
},
},
{
name: "combine_multi_target",
zones: []dns.ZoneSummary{{
Id: common.String("ocid1.dns-zone.oc1..e1e042ef0bfbb5c251b9713fd7bf8959"),
Name: common.String("foo.com"),
}},
changes: &plan.Changes{
Create: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"foo.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"192.168.1.2",
), endpoint.NewEndpointWithTTL(
"foo.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"192.168.2.5",
)},
},
expectedEndpoints: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"foo.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL), "192.168.1.2", "192.168.2.5",
)},
},
{
name: "remove_from_multi_target",
zones: []dns.ZoneSummary{{
Id: common.String("ocid1.dns-zone.oc1..e1e042ef0bfbb5c251b9713fd7bf8959"),
Name: common.String("foo.com"),
}},
records: map[string][]dns.Record{
"ocid1.dns-zone.oc1..e1e042ef0bfbb5c251b9713fd7bf8959": {{
Domain: common.String("foo.foo.com"),
Rdata: common.String("192.168.1.2"),
Rtype: common.String(endpoint.RecordTypeA),
Ttl: common.Int(ociRecordTTL),
}, {
Domain: common.String("foo.foo.com"),
Rdata: common.String("192.168.2.5"),
Rtype: common.String(endpoint.RecordTypeA),
Ttl: common.Int(ociRecordTTL),
}},
},
changes: &plan.Changes{
Delete: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"foo.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"192.168.1.2",
)},
},
expectedEndpoints: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"foo.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL), "192.168.2.5",
)},
},
{
name: "update_multi_target",
zones: []dns.ZoneSummary{{
Id: common.String("ocid1.dns-zone.oc1..e1e042ef0bfbb5c251b9713fd7bf8959"),
Name: common.String("foo.com"),
}},
records: map[string][]dns.Record{
"ocid1.dns-zone.oc1..e1e042ef0bfbb5c251b9713fd7bf8959": {{
Domain: common.String("first.foo.com"),
Rdata: common.String("10.77.4.5"),
Rtype: common.String(endpoint.RecordTypeA),
Ttl: common.Int(ociRecordTTL),
}},
},
changes: &plan.Changes{
UpdateOld: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"first.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"10.77.4.5",
)},
UpdateNew: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"first.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"10.77.6.10",
)},
},
expectedEndpoints: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"first.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"10.77.6.10",
)},
},
{
name: "increase_multi_target",
zones: []dns.ZoneSummary{{
Id: common.String("ocid1.dns-zone.oc1..e1e042ef0bfbb5c251b9713fd7bf8959"),
Name: common.String("foo.com"),
}},
records: map[string][]dns.Record{
"ocid1.dns-zone.oc1..e1e042ef0bfbb5c251b9713fd7bf8959": {{
Domain: common.String("first.foo.com"),
Rdata: common.String("10.77.4.5"),
Rtype: common.String(endpoint.RecordTypeA),
Ttl: common.Int(ociRecordTTL),
}},
},
changes: &plan.Changes{
Create: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"first.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"10.77.6.10",
)},
},
expectedEndpoints: []*endpoint.Endpoint{endpoint.NewEndpointWithTTL(
"first.foo.com",
endpoint.RecordTypeA,
endpoint.TTL(ociRecordTTL),
"10.77.4.5", "10.77.6.10",
)},
},
}
for _, tc := range testCases {
@ -904,6 +1043,8 @@ func TestOCIApplyChanges(t *testing.T) {
require.Equal(t, tc.err, err)
endpoints, err := provider.Records(ctx)
require.NoError(t, err)
sortEndpointTargets(endpoints)
sortEndpointTargets(tc.expectedEndpoints)
require.ElementsMatch(t, tc.expectedEndpoints, endpoints)
})
}