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s3: S3 IPv6 support with option "use_dual_stack" (bool)

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dualstack_endpoint=true enables IPv6 DNS lookup for S3 endpoints
in s3.go, add Options.DualstackEndpoint to support IPv6 on S3
This commit is contained in:
Anthony Metzidis 2023-12-02 16:12:54 -08:00 • committed by Nick Craig-Wood
parent 2f5685b405
commit 9fe343b725
2 changed files with 43 additions and 0 deletions
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11
backend/s3/s3.go
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@ -2219,6 +2219,13 @@ If it is set then rclone will use v2 authentication.
Use this only if v4 signatures don't work, e.g. pre Jewel/v10 CEPH.`,
Default: false,
Advanced: true,
}, {
Name: "use_dual_stack",
Help: `If true use AWS S3 dual-stack endpoint (IPv6 support).
See [AWS Docs on Dualstack Endpoints](https://docs.aws.amazon.com/AmazonS3/latest/userguide/dual-stack-endpoints.html)`,
Default: false,
Advanced: true,
}, {
Name: "use_accelerate_endpoint",
Provider: "AWS",
@ -2628,6 +2635,7 @@ type Options struct {
Region string `config:"region"`
Endpoint string `config:"endpoint"`
STSEndpoint string `config:"sts_endpoint"`
UseDualStack bool `config:"use_dual_stack"`
LocationConstraint string `config:"location_constraint"`
ACL string `config:"acl"`
BucketACL string `config:"bucket_acl"`
@ -2956,6 +2964,9 @@ func s3Connection(ctx context.Context, opt *Options, client *http.Client) (*s3.S
r.addService("sts", opt.STSEndpoint)
awsConfig.WithEndpointResolver(r)
}
if opt.UseDualStack {
awsConfig.UseDualStackEndpoint = endpoints.DualStackEndpointStateEnabled
}
// awsConfig.WithLogLevel(aws.LogDebugWithSigning)
awsSessionOpts := session.Options{