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QUESTION
I am trying to work with the new Instance Metadata Service Version 2 (IMDSv2) API.
It works as expected when I try to query the metadata manually as described on Retrieve instance metadata - Amazon Elastic Compute Cloud.
However, if I try to query for the instance tags it fails with error message:
Couldn't find AWS credentials in environment, credentials file, or IAM role
The tags query is done by the Rusoto SDK that I am using, that works when I set --http-tokens optional
as described on Configure the instance metadata options - Amazon Elastic Compute Cloud.
I don't fully understand why setting the machine to work with IMDSv2 would effect the DescribeTags
request, as I believe it's not using the same API - so I am guessing that's a side effect.
If I try and do a manual query using curl (instead of using the SDK):
...ANSWER
Answered 2022-Jan-03 at 05:18The library that I was using (Rusoto SDK 0.47.0) doesn't support fetching the credentials needed when the host is set to work with the IMDSv2.
The workaround was to manually query for the IAM role credentials. First, you get the token:
QUESTION
I'm trying to invoke an AWS Lambda function using the Rusoto library. The request has a JSON-encoded payload which I currently have as a String, but the library insists on a bytes::bytes::Bytes
struct for this. I haven't been able to find a way to convert the String to the Bytes (not the most googleable thing in the world) - can anyone help me out? Thanks.
ANSWER
Answered 2021-Mar-09 at 17:23QUESTION
When I try to use actix-web 3 and rusoto 0.46 together I get the following runtime error:
...ANSWER
Answered 2021-Feb-12 at 16:50QUESTION
I'm a rust noob. Have been trying to upload a simple text file to S3 using rusoto but haven't been able to convert a file into Stream. How to convert a file into a Stream acceptable by rusoto S3 upload.
...ANSWER
Answered 2020-Aug-24 at 01:24The StreamingBody
type used in the S3 client is an alias for ByteStream
from rusoto_core
, which can be made either from a type implementing futures_core::stream::Stream
or from a Vec
.
The most correct way to accomplish this would be to use a async read of the file via Tokyo, and then create a ByteStream
from the resulting Stream
of bytes. But reading a file as a Stream
doesn't have a fully fleshed out solution in the async ecosystem at the moment. See this SO question, especially the links at the bottom of the accepted answer, for more details.
Another way is to read the file fully into memory, as you are doing in the provided code example, and then create a ByteStream
from the resulting Vec
. If you do that your code is pretty close.
QUESTION
I am trying to build a service that pulls files from an SFTP server and uploads them to S3.
For the SFTP part, I am using async-ssh2, which gives me a file handler implementing futures::AsyncRead
. Since these SFTP files may be quite large, I am trying to turn this File
handler into a ByteStream
that I can upload using Rusoto. It looks like a ByteStream
can be initialized with a futures::Stream
.
My plan was to implement Stream
on the File
object (based on the code here) to be compatible with Rusoto (code reproduced below for posterity):
ANSWER
Answered 2020-Jun-11 at 02:25This was the way I went about doing the conversion. I based it off the code above, except I used a larger buffer (8 KB) to reduce the number of network calls.
QUESTION
I'm having trouble streaming uploads to S3:
...ANSWER
Answered 2020-Apr-19 at 02:20Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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