| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "strings" |
| 7 | |
| 8 | "github.com/aws/aws-sdk-go-v2/aws" |
| 9 | awsconfig "github.com/aws/aws-sdk-go-v2/config" |
| 10 | "github.com/aws/aws-sdk-go-v2/service/s3" |
| 11 | "github.com/carlosframework/platform/internal/hostbox" |
| 12 | "github.com/carlosframework/platform/internal/hostwrite" |
| 13 | "github.com/carlosframework/platform/internal/rootaws" |
| 14 | ) |
| 15 | |
| 16 | type productionClaimMarkers struct { |
| 17 | Client *s3.Client |
| 18 | Bucket string |
| 19 | } |
| 20 | |
| 21 | func newProductionClaimMarkers(ctx context.Context, bucket, region string) (ClaimMarkerStore, error) { |
| 22 | cfg, err := rootaws.LoadDefaultConfig(ctx, awsconfig.WithRegion(region), awsconfig.WithRetryMaxAttempts(1)) |
| 23 | if err != nil { |
| 24 | return nil, err |
| 25 | } |
| 26 | return productionClaimMarkers{Client: s3.NewFromConfig(cfg), Bucket: bucket}, nil |
| 27 | } |
| 28 | func (m productionClaimMarkers) PutMarker(ctx context.Context, bucket, key string, body []byte, expected string, check func(context.Context) error) (string, error) { |
| 29 | if m.Client == nil || bucket != m.Bucket || check == nil || !strings.HasPrefix(key, "instances/") || !strings.HasSuffix(key, "/generation.json") { |
| 30 | return "", hostwrite.ErrUnavailable |
| 31 | } |
| 32 | bounded, cancel := context.WithTimeout(ctx, hostbox.RequestLimit) |
| 33 | defer cancel() |
| 34 | if err := check(bounded); err != nil { |
| 35 | return "", err |
| 36 | } |
| 37 | in := &s3.PutObjectInput{Bucket: aws.String(bucket), Key: aws.String(key), Body: bytes.NewReader(body)} |
| 38 | if expected == "" { |
| 39 | in.IfNoneMatch = aws.String("*") |
| 40 | } else { |
| 41 | in.IfMatch = aws.String(expected) |
| 42 | } |
| 43 | out, err := m.Client.PutObject(bounded, in) |
| 44 | if err != nil { |
| 45 | return "", err |
| 46 | } |
| 47 | if out.VersionId == nil || *out.VersionId == "" || *out.VersionId == "null" { |
| 48 | return "", hostwrite.ErrUnavailable |
| 49 | } |
| 50 | return *out.VersionId, nil |
| 51 | } |
| 52 | |
amadan