1package configsources
 2
 3import (
 4	"context"
 5)
 6
 7// ServiceBaseEndpointProvider is needed to search for all providers
 8// that provide a configured service endpoint
 9type ServiceBaseEndpointProvider interface {
10	GetServiceBaseEndpoint(ctx context.Context, sdkID string) (string, bool, error)
11}
12
13// IgnoreConfiguredEndpointsProvider is needed to search for all providers
14// that provide a flag to disable configured endpoints.
15//
16// Currently duplicated from github.com/aws/aws-sdk-go-v2/config because
17// service packages cannot import github.com/aws/aws-sdk-go-v2/config
18// due to result import cycle error.
19type IgnoreConfiguredEndpointsProvider interface {
20	GetIgnoreConfiguredEndpoints(ctx context.Context) (bool, bool, error)
21}
22
23// GetIgnoreConfiguredEndpoints is used in knowing when to disable configured
24// endpoints feature.
25//
26// Currently duplicated from github.com/aws/aws-sdk-go-v2/config because
27// service packages cannot import github.com/aws/aws-sdk-go-v2/config
28// due to result import cycle error.
29func GetIgnoreConfiguredEndpoints(ctx context.Context, configs []interface{}) (value bool, found bool, err error) {
30	for _, cfg := range configs {
31		if p, ok := cfg.(IgnoreConfiguredEndpointsProvider); ok {
32			value, found, err = p.GetIgnoreConfiguredEndpoints(ctx)
33			if err != nil || found {
34				break
35			}
36		}
37	}
38	return
39}
40
41// ResolveServiceBaseEndpoint is used to retrieve service endpoints from configured sources
42// while allowing for configured endpoints to be disabled
43func ResolveServiceBaseEndpoint(ctx context.Context, sdkID string, configs []interface{}) (value string, found bool, err error) {
44	if val, found, _ := GetIgnoreConfiguredEndpoints(ctx, configs); found && val {
45		return "", false, nil
46	}
47
48	for _, cs := range configs {
49		if p, ok := cs.(ServiceBaseEndpointProvider); ok {
50			value, found, err = p.GetServiceBaseEndpoint(context.Background(), sdkID)
51			if err != nil || found {
52				break
53			}
54		}
55	}
56	return
57}