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update README - S3 support seems more there than not rn

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Emil Lerch 2024-02-29 08:18:14 -08:00
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@ -3,8 +3,9 @@ AWS SDK for Zig
[![Build Status](https://actions-status.lerch.org/lobo/aws-sdk-for-zig/build)](https://git.lerch.org/lobo/aws-sdk-for-zig/actions?workflow=build.yaml&state=closed)
**NOTE: THIS SDK IS CURRENTLY UNUSABLE FOR S3 AND 8 OTHER SERVICES
WITHOUT A PROXY. SEE LIMITATIONS SECTION BELOW**
**NOTE: TLS 1.3 support is still deploying across AWS. Some services, especially S3,
may or may not be available without a proxy, depending on the region.
See limitations section below**
Current executable size for the demo is 980k after compiling with -Doptimize=ReleaseSmall
in x86_linux, and will vary based on services used. Tested targets:
@ -44,32 +45,15 @@ for working with services. For local testing or alternative endpoints, there's
no real standard, so there is code to look for `AWS_ENDPOINT_URL` environment
variable that will supersede all other configuration.
Other branches
--------------
The default branch is fully functional but requires TLS 1.3. Until AWS Services
support TLS 1.3 at the end of 2023, the [0.9.0 branch](https://git.lerch.org/lobo/aws-sdk-for-zig/src/branch/0.9.0)
may be of use. More details below in limitations. This branch overall is
superior, as is the 0.11 compiler, but if you need a service that doesn't support
TLS 1.3 and you need it right away, feel free to use that branch. Note I do not
intend to update code in the 0.9.0 branch, but will accept PRs.
An [old branch based on aws-crt](https://github.com/elerch/aws-sdk-for-zig/tree/aws-crt) exists
for posterity, and supports x86_64 linux. The old branch is deprecated, so if
there are issues you see that work correctly in the aws-crt branch, please
file an issue. I can't think of a reason to use this branch any more. I do not
intend to entertain PRs on this branch, but reach out if you think it is important.
Limitations
-----------
The zig 0.11 HTTP client supports TLS 1.3 only. This, IMHO, is a reasonable
restriction given its introduction 5 years ago, but is inflicting some short
term pain on this project as AWS has not yet fully implemented the protocol. AWS has
committed to [TLS 1.3 support across all services by the end of 2023](https://aws.amazon.com/blogs/security/faster-aws-cloud-connections-with-tls-1-3/), but many (most) services as of August 28th have not yet
been upgraded. Proxy support has been added, so to get to the services that
The zig 0.11 HTTP client supports TLS 1.3 only. AWS has committed to
[TLS 1.3 support across all services by the end of 2023](https://aws.amazon.com/blogs/security/faster-aws-cloud-connections-with-tls-1-3/),
but a few services as of February 28, 2024 have not been upgraded, and S3 is
a bit intermittent. Proxy support has been added, so to get to the services that
do not yet support TLS 1.3, you can use something like [mitmproxy](https://mitmproxy.org/)
to proxy those requests. Of course, this is not a good production solution...
to proxy those requests until roll out is complete.
WebIdentityToken is not yet implemented.
@ -87,30 +71,22 @@ TODO List:
* Implement timeouts and other TODO's in the code
* Add option to cache signature keys
Compiler wishlist/watchlist:
* [comptime allocations](https://github.com/ziglang/zig/issues/1291) so we can read files, etc (or is there another way)
Services without TLS 1.3 support (9 services out of 255 total)
Services without TLS 1.3 support (4 services out of 255 total)
---------------------------------------------------------------
The following service list is based on limited testing against us-west-2
region. Your mileage may vary, as there are thousands of endpoints against
many regions, though it appears the TLS 1.3 rollout is fairly far along at
this point, with the real remaining issue for most is in S3.
many regions. It appears the TLS 1.3 rollout is fairly far along at
this point.
NOTE ON S3: For me, S3 is currently intermittently available using TLS 1.3, so
it appears deployments are in progress.
it appears deployments are in progress. The last couple days it has been
available consistently, so I have removed it from the list.
```
cloudsearch
data.iot
models.lex
opsworks
personalize-runtime
runtime.lex
runtime-v2-lex
s3
support
```