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feat: expose provider region lister #36
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package internal | ||
|
|
||
| import ( | ||
| "context" | ||
| "sort" | ||
|
|
||
| pb "github.com/GoCodeAlone/workflow/plugin/external/proto" | ||
| "github.com/aws/aws-sdk-go-v2/aws" | ||
| "github.com/aws/aws-sdk-go-v2/service/ec2" | ||
| ) | ||
|
|
||
| var awsFallbackRegions = []string{ | ||
| "af-south-1", | ||
| "ap-east-1", | ||
| "ap-east-2", | ||
| "ap-northeast-1", | ||
| "ap-northeast-2", | ||
| "ap-northeast-3", | ||
| "ap-south-1", | ||
| "ap-south-2", | ||
| "ap-southeast-1", | ||
| "ap-southeast-2", | ||
| "ap-southeast-3", | ||
| "ap-southeast-4", | ||
| "ap-southeast-5", | ||
| "ap-southeast-7", | ||
| "ca-central-1", | ||
| "ca-west-1", | ||
| "eu-central-1", | ||
| "eu-central-2", | ||
| "eu-north-1", | ||
| "eu-south-1", | ||
| "eu-south-2", | ||
| "eu-west-1", | ||
| "eu-west-2", | ||
| "eu-west-3", | ||
| "il-central-1", | ||
| "me-central-1", | ||
| "me-south-1", | ||
| "mx-central-1", | ||
| "sa-east-1", | ||
| "us-east-1", | ||
| "us-east-2", | ||
| "us-west-1", | ||
| "us-west-2", | ||
| } | ||
|
|
||
| func (s *awsIaCServer) ListRegions(ctx context.Context, _ *pb.ListRegionsRequest) (*pb.ListRegionsResponse, error) { | ||
| if s != nil && s.provider != nil { | ||
| cfg, ok := s.provider.AWSConfigSnapshot() | ||
| if ok { | ||
| regions, err := listAWSRegions(ctx, cfg) | ||
| if err == nil { | ||
| return providerRegionsResponse(regions), nil | ||
| } | ||
| } | ||
| } | ||
| return providerRegionsResponse(awsFallbackRegions), nil | ||
| } | ||
|
|
||
| func listAWSRegions(ctx context.Context, cfg aws.Config) ([]string, error) { | ||
| resp, err := ec2.NewFromConfig(cfg).DescribeRegions(ctx, &ec2.DescribeRegionsInput{ | ||
| AllRegions: aws.Bool(true), | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| regions := make([]string, 0, len(resp.Regions)) | ||
| for _, region := range resp.Regions { | ||
| if region.RegionName != nil && *region.RegionName != "" { | ||
| regions = append(regions, *region.RegionName) | ||
| } | ||
| } | ||
| return regions, nil | ||
| } | ||
|
|
||
| func providerRegionsResponse(regions []string) *pb.ListRegionsResponse { | ||
| regions = append([]string(nil), regions...) | ||
| sort.Strings(regions) | ||
|
|
||
| out := make([]*pb.ProviderRegion, 0, len(regions)) | ||
| for _, name := range regions { | ||
| out = append(out, &pb.ProviderRegion{Name: name, DisplayName: name}) | ||
| } | ||
| return &pb.ListRegionsResponse{Regions: out} | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package internal | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "os" | ||
| "path/filepath" | ||
| "sort" | ||
| "testing" | ||
|
|
||
| "github.com/GoCodeAlone/workflow-plugin-aws/provider" | ||
| pb "github.com/GoCodeAlone/workflow/plugin/external/proto" | ||
| sdk "github.com/GoCodeAlone/workflow/plugin/external/sdk" | ||
| "google.golang.org/grpc" | ||
| ) | ||
|
|
||
| func TestAWSIaCServer_ListRegions(t *testing.T) { | ||
| resp, err := NewIaCServer().ListRegions(context.Background(), &pb.ListRegionsRequest{EnvName: "prod"}) | ||
| if err != nil { | ||
| t.Fatalf("ListRegions: %v", err) | ||
| } | ||
| got := regionNames(resp.GetRegions()) | ||
| want := append([]string(nil), awsFallbackRegions...) | ||
| sort.Strings(want) | ||
| if !sameStrings(got, want) { | ||
|
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|
||
| t.Fatalf("regions = %v, want %v", got, want) | ||
| } | ||
| } | ||
|
|
||
| func TestAWSIaCServer_RegistersRegionLister(t *testing.T) { | ||
| server := grpc.NewServer() | ||
| if err := sdk.RegisterAllIaCProviderServices(server, newAWSIaCServer(provider.NewAWSProviderConcrete())); err != nil { | ||
| t.Fatalf("RegisterAllIaCProviderServices: %v", err) | ||
| } | ||
| if _, ok := server.GetServiceInfo()[pb.IaCProviderRegionLister_ServiceDesc.ServiceName]; !ok { | ||
| t.Fatalf("registered services missing %s", pb.IaCProviderRegionLister_ServiceDesc.ServiceName) | ||
| } | ||
| } | ||
|
|
||
| func TestPluginManifestAdvertisesRegionLister(t *testing.T) { | ||
| data, err := os.ReadFile(filepath.Join(hostConformanceRepoRoot(t), "plugin.json")) | ||
| if err != nil { | ||
| t.Fatalf("read plugin.json: %v", err) | ||
| } | ||
| var manifest struct { | ||
| IaCServices []string `json:"iacServices"` | ||
| } | ||
| if err := json.Unmarshal(data, &manifest); err != nil { | ||
| t.Fatalf("parse plugin.json: %v", err) | ||
| } | ||
| if !containsString(manifest.IaCServices, pb.IaCProviderRegionLister_ServiceDesc.ServiceName) { | ||
| t.Fatalf("iacServices missing %s: %v", pb.IaCProviderRegionLister_ServiceDesc.ServiceName, manifest.IaCServices) | ||
| } | ||
| } | ||
|
|
||
| func regionNames(regions []*pb.ProviderRegion) []string { | ||
| out := make([]string, 0, len(regions)) | ||
| for _, region := range regions { | ||
| out = append(out, region.GetName()) | ||
| if region.GetDisplayName() == "" { | ||
| out = append(out, "<empty-display>") | ||
| } | ||
| } | ||
| return out | ||
| } | ||
|
|
||
| func sameStrings(a, b []string) bool { | ||
| if len(a) != len(b) { | ||
| return false | ||
| } | ||
| for i := range a { | ||
| if a[i] != b[i] { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| func containsString(values []string, want string) bool { | ||
| for _, value := range values { | ||
| if value == want { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
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