cert-manager-webhook-sthome/pkg/domain/utils.go
2024-03-20 22:12:14 +02:00

143 lines
3.2 KiB
Go

package domain
import (
"fmt"
"time"
"github.com/scaleway/scaleway-sdk-go/internal/async"
"github.com/scaleway/scaleway-sdk-go/internal/errors"
"github.com/scaleway/scaleway-sdk-go/scw"
)
const (
defaultRetryInterval = 15 * time.Second
defaultTimeout = 5 * time.Minute
)
const (
// ErrCodeNoSuchDNSZone for service response error code
//
// The specified dns zone does not exist.
ErrCodeNoSuchDNSZone = "NoSuchDNSZone"
ErrCodeNoSuchDNSRecord = "NoSuchDNSRecord"
)
// WaitForDNSZoneRequest is used by WaitForDNSZone method.
type WaitForDNSZoneRequest struct {
DNSZone string
DNSZones []string
Timeout *time.Duration
RetryInterval *time.Duration
}
func (s *API) WaitForDNSZone(
req *WaitForDNSZoneRequest,
opts ...scw.RequestOption,
) (*DNSZone, error) {
timeout := defaultTimeout
if req.Timeout != nil {
timeout = *req.Timeout
}
retryInterval := defaultRetryInterval
if req.RetryInterval != nil {
retryInterval = *req.RetryInterval
}
terminalStatus := map[DNSZoneStatus]struct{}{
DNSZoneStatusActive: {},
DNSZoneStatusLocked: {},
DNSZoneStatusError: {},
}
dns, err := async.WaitSync(&async.WaitSyncConfig{
Get: func() (interface{}, bool, error) {
listReq := &ListDNSZonesRequest{
DNSZones: req.DNSZones,
}
if req.DNSZone != "" {
listReq.DNSZone = &req.DNSZone
}
// listing dns zones and take the first one
DNSZones, err := s.ListDNSZones(listReq, opts...)
if err != nil {
return nil, false, err
}
if len(DNSZones.DNSZones) == 0 {
return nil, true, fmt.Errorf(ErrCodeNoSuchDNSZone)
}
Dns := DNSZones.DNSZones[0]
_, isTerminal := terminalStatus[Dns.Status]
return Dns, isTerminal, nil
},
Timeout: timeout,
IntervalStrategy: async.LinearIntervalStrategy(retryInterval),
})
if err != nil {
return nil, errors.Wrap(err, "waiting for DNS failed")
}
return dns.(*DNSZone), nil
}
// WaitForDNSRecordExistRequest is used by WaitForDNSRecordExist method.
type WaitForDNSRecordExistRequest struct {
DNSZone string
RecordName string
RecordType RecordType
Timeout *time.Duration
RetryInterval *time.Duration
}
func (s *API) WaitForDNSRecordExist(
req *WaitForDNSRecordExistRequest,
opts ...scw.RequestOption,
) (*Record, error) {
timeout := defaultTimeout
if req.Timeout != nil {
timeout = *req.Timeout
}
retryInterval := defaultRetryInterval
if req.RetryInterval != nil {
retryInterval = *req.RetryInterval
}
dns, err := async.WaitSync(&async.WaitSyncConfig{
Get: func() (interface{}, bool, error) {
// listing dns zone records and take the first one
DNSRecords, err := s.ListDNSZoneRecords(&ListDNSZoneRecordsRequest{
Name: req.RecordName,
Type: req.RecordType,
DNSZone: req.DNSZone,
}, opts...)
if err != nil {
return nil, false, err
}
if DNSRecords.TotalCount == 0 {
return nil, false, fmt.Errorf(ErrCodeNoSuchDNSRecord)
}
record := DNSRecords.Records[0]
return record, true, nil
},
Timeout: timeout,
IntervalStrategy: async.LinearIntervalStrategy(retryInterval),
})
if err != nil {
return nil, errors.Wrap(err, "check for DNS Record exist failed")
}
return dns.(*Record), nil
}