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Merge pull request #29008 from justinsb/pages_and_pages_of_hosted_zones

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Automatic merge from submit-queue

dnsprovider: Use route53 page functions to avoid truncated results

The List<Type>Pages functions make it pretty easy to avoid result truncation;
switch to using them
This commit is contained in:
k8s-merge-robot 2016-07-19 20:29:44 -07:00 committed by GitHub
commit 4d896cd3b2
3 changed files with 26 additions and 20 deletions
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14
federation/pkg/dnsprovider/providers/aws/route53/rrsets.go
View File

@ -34,15 +34,17 @@ func (rrsets ResourceRecordSets) List() ([]dnsprovider.ResourceRecordSet, error)
input := route53.ListResourceRecordSetsInput{
HostedZoneId: rrsets.zone.impl.Id,
}
response, err := rrsets.zone.zones.interface_.service.ListResourceRecordSets(&input)
// TODO: Handle truncated responses
var list []dnsprovider.ResourceRecordSet
err := rrsets.zone.zones.interface_.service.ListResourceRecordSetsPages(&input, func(page *route53.ListResourceRecordSetsOutput, lastPage bool) bool {
for _, rrset := range page.ResourceRecordSets {
list = append(list, &ResourceRecordSet{rrset, &rrsets})
}
return true
})
if err != nil {
return nil, err
}
list := make([]dnsprovider.ResourceRecordSet, len(response.ResourceRecordSets))
for i, rrset := range response.ResourceRecordSets {
list[i] = &ResourceRecordSet{rrset, &rrsets}
}
return list, nil
}

16
federation/pkg/dnsprovider/providers/aws/route53/stubs/route53api.go
View File

@ -27,9 +27,9 @@ var _ Route53API = &Route53APIStub{}
/* Route53API is the subset of the AWS Route53 API that we actually use. Add methods as required. Signatures must match exactly. */
type Route53API interface {
ListResourceRecordSets(*route53.ListResourceRecordSetsInput) (*route53.ListResourceRecordSetsOutput, error)
ListResourceRecordSetsPages(input *route53.ListResourceRecordSetsInput, fn func(p *route53.ListResourceRecordSetsOutput, lastPage bool) (shouldContinue bool)) error
ChangeResourceRecordSets(*route53.ChangeResourceRecordSetsInput) (*route53.ChangeResourceRecordSetsOutput, error)
ListHostedZones(*route53.ListHostedZonesInput) (*route53.ListHostedZonesOutput, error)
ListHostedZonesPages(input *route53.ListHostedZonesInput, fn func(p *route53.ListHostedZonesOutput, lastPage bool) (shouldContinue bool)) error
CreateHostedZone(*route53.CreateHostedZoneInput) (*route53.CreateHostedZoneOutput, error)
DeleteHostedZone(*route53.DeleteHostedZoneInput) (*route53.DeleteHostedZoneOutput, error)
}
@ -50,7 +50,7 @@ func NewRoute53APIStub() *Route53APIStub {
}
}
func (r *Route53APIStub) ListResourceRecordSets(input *route53.ListResourceRecordSetsInput) (*route53.ListResourceRecordSetsOutput, error) {
func (r *Route53APIStub) ListResourceRecordSetsPages(input *route53.ListResourceRecordSetsInput, fn func(p *route53.ListResourceRecordSetsOutput, lastPage bool) (shouldContinue bool)) error {
output := route53.ListResourceRecordSetsOutput{} // TODO: Support optional input args.
if len(r.recordSets) <= 0 {
output.ResourceRecordSets = []*route53.ResourceRecordSet{}
@ -63,7 +63,9 @@ func (r *Route53APIStub) ListResourceRecordSets(input *route53.ListResourceRecor
}
}
}
return &output, nil
lastPage := true
fn(&output, lastPage)
return nil
}
func (r *Route53APIStub) ChangeResourceRecordSets(input *route53.ChangeResourceRecordSetsInput) (*route53.ChangeResourceRecordSetsOutput, error) {
@ -93,12 +95,14 @@ func (r *Route53APIStub) ChangeResourceRecordSets(input *route53.ChangeResourceR
return output, nil // TODO: We should ideally return status etc, but we dont' use that yet.
}
func (r *Route53APIStub) ListHostedZones(*route53.ListHostedZonesInput) (*route53.ListHostedZonesOutput, error) {
func (r *Route53APIStub) ListHostedZonesPages(input *route53.ListHostedZonesInput, fn func(p *route53.ListHostedZonesOutput, lastPage bool) (shouldContinue bool)) error {
output := &route53.ListHostedZonesOutput{}
for _, zone := range r.zones {
output.HostedZones = append(output.HostedZones, zone)
}
return output, nil
lastPage := true
fn(output, lastPage)
return nil
}
func (r *Route53APIStub) CreateHostedZone(input *route53.CreateHostedZoneInput) (*route53.CreateHostedZoneOutput, error) {

16
federation/pkg/dnsprovider/providers/aws/route53/zones.go
View File

@ -31,18 +31,18 @@ type Zones struct {
}
func (zones Zones) List() ([]dnsprovider.Zone, error) {
var zoneList []dnsprovider.Zone
input := route53.ListHostedZonesInput{}
response, err := zones.interface_.service.ListHostedZones(&input)
err := zones.interface_.service.ListHostedZonesPages(&input, func(page *route53.ListHostedZonesOutput, lastPage bool) bool {
for _, zone := range page.HostedZones {
zoneList = append(zoneList, &Zone{zone, &zones})
}
return true
})
if err != nil {
return []dnsprovider.Zone{}, err
}
hostedZones := response.HostedZones
// TODO: Handle result truncation
// https://docs.aws.amazon.com/sdk-for-go/api/service/route53/Route53.html#ListHostedZones-instance_method
zoneList := make([]dnsprovider.Zone, len(hostedZones))
for i, zone := range hostedZones {
zoneList[i] = &Zone{zone, &zones}
}
return zoneList, nil
}