nginx module to proxy request to AWS service endpoint with sigv4 signing.
wget http://nginx.org/download/nginx-1.14.0.tar.gz
tar -xzvf nginx-1.14.0.tar.gz
cd nginx-1.14.0/
./configure --with-http_ssl_module --add-module=/path/to/ngx_http_aws_sigv4_request_module/
make
make install
http
server {
listen 80;
location /some_test_s3_bucket/ {
resolver 8.8.8.8;
aws_service region=us-east-1 name=s3 endpoint=s3.amazonaws.com;
aws_access_key_path /path/to/aws_access_key_file;
aws_sigv4_request on;
proxy_pass https://$aws_sigv4_host;
proxy_ssl_name $aws_sigv4_host;
}
}
}
You can also configure to rewrite uri to internal location if you don't want to expose s3 bucket information.
http
server {
listen 80;
rewrite ^/my_files/(.*)$ /some_test_s3_bucket/$1 last;
location /some_test_s3_bucket/ {
internal;
resolver 8.8.8.8;
aws_service region=us-east-1 name=s3 endpoint=s3.amazonaws.com;
aws_access_key_path /path/to/aws_access_key_file;
aws_sigv4_request on;
proxy_pass https://$aws_sigv4_host;
proxy_ssl_name $aws_sigv4_host;
}
}
}
Similar config for other service, e.g., CloudWatch
http
server {
listen 80;
rewrite ^/my_cw/(.*)$ /$1 last;
location /doc/2010-08-01/ {
internal;
resolver 8.8.8.8;
aws_service region=us-east-2 name=monitoring endpoint=monitoring.us-east-2.amazonaws.com;
aws_access_key_path /path/to/aws_access_key_file;
aws_sigv4_request on;
proxy_pass https://$aws_sigv4_host;
proxy_ssl_name $aws_sigv4_host;
}
}
}
$ cat /tmp/some_test_file.txt
this is a test file
$ curl -vv http://localhost/my_files/some_test_file.txt --upload-file /tmp/some_test_file.txt
* Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 80 (#0)
> PUT /my_files/some_test_file.txt HTTP/1.1
> Host: localhost
> User-Agent: curl/7.55.1
> Accept: */*
> Content-Length: 20
> Expect: 100-continue
>
< HTTP/1.1 100 Continue
* We are completely uploaded and fine
< HTTP/1.1 200 OK
< Server: nginx/1.14.0
< Date: Tue, 04 Sep 2018 05:08:16 GMT
< Content-Length: 0
< Connection: keep-alive
< x-amz-id-2: xxxxxxxxxxxxxxxxxxxxxxx
< x-amz-request-id: xxxxxxxxxxxxxxxxxxxxxxx
< ETag: "xxxxxxxxxxxxxxxxxxxxxxx"
<
* Connection #0 to host localhost left intact
$ curl -vv http://localhost/my_files/some_test_file.txt
* Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 80 (#0)
> GET /my_files/some_test_file.txt HTTP/1.1
> Host: localhost
> User-Agent: curl/7.55.1
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx/1.14.0
< Date: Tue, 04 Sep 2018 05:08:41 GMT
< Content-Type: binary/octet-stream
< Content-Length: 20
< Connection: keep-alive
< x-amz-id-2: xxxxxxxxxxxxxxxxxxxxxxx
< x-amz-request-id: xxxxxxxxxxxxxxxxxxxxxxx
< Last-Modified: Tue, 04 Sep 2018 05:08:17 GMT
< ETag: "xxxxxxxxxxxxxxxxxxxxxxx"
< Accept-Ranges: bytes
<
this is a test file
* Connection #0 to host localhost left intact
https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_PutMetricData.html
$ curl -vv "http://localhost/my_cw/doc/2010-08-01/?Action=PutMetricData&Version=2010-08-01&Namespace=TestNamespace1&MetricData.member.1.MetricName=buffers1&MetricData.member.1.Unit=Bytes&MetricData.member.1.Value=123"
* Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 80 (#0)
> GET /my_cw/doc/2010-08-01/?Action=PutMetricData&Version=2010-08-01&Namespace=TestNamespace1&MetricData.member.1.MetricName=buffers1&MetricData.member.1.Unit=Bytes&MetricData.member.1.Value=123 HTTP/1.1
> Host: localhost
> User-Agent: curl/7.55.1
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx/1.14.0
< Date: Wed, 05 Sep 2018 06:30:50 GMT
< Content-Type: text/xml
< Content-Length: 212
< Connection: keep-alive
< x-amzn-RequestId: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
<
<PutMetricDataResponse xmlns="http://monitoring.amazonaws.com/doc/2010-08-01/">
<ResponseMetadata>
<RequestId>xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx</RequestId>
</ResponseMetadata>
</PutMetricDataResponse>
* Connection #0 to host localhost left intact
$ curl -vv -X POST "http://localhost/my_cw/doc/2010-08-01/?Action=GetMetricData&Version=2010-08-01&MetricDataQueries.member.1.Id=a1&StartTime=2018-09-05T06%3A30%3A00Z&EndTime=2018-09-05T07%3A00%3A00Z&MetricDataQueries.member.1.MetricStat.Metric.Namespace=TestNamespace1&MetricDataQueries.member.1.MetricStat.Stat=Sum&MetricDataQueries.member.1.MetricStat.Period=5&MetricDataQueries.member.1.MetricStat.Metric.MetricName=buffers1"
* Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 80 (#0)
> POST /my_cw/doc/2010-08-01/?Action=GetMetricData&Version=2010-08-01&MetricDataQueries.member.1.Id=a1&StartTime=2018-09-05T06%3A30%3A00Z&EndTime=2018-09-05T07%3A00%3A00Z&MetricDataQueries.member.1.MetricStat.Metric.Namespace=TestNamespace1&MetricDataQueries.member.1.MetricStat.Stat=Sum&MetricDataQueries.member.1.MetricStat.Period=5&MetricDataQueries.member.1.MetricStat.Metric.MetricName=buffers1 HTTP/1.1
> Host: localhost
> User-Agent: curl/7.55.1
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx/1.14.0
< Date: Wed, 05 Sep 2018 06:35:17 GMT
< Content-Type: text/xml
< Content-Length: 594
< Connection: keep-alive
< x-amzn-RequestId: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
<
<GetMetricDataResponse xmlns="http://monitoring.amazonaws.com/doc/2010-08-01/">
<GetMetricDataResult>
<MetricDataResults>
<member>
<Timestamps>
<member>2018-09-05T06:30:00Z</member>
</Timestamps>
<Values>
<member>123.0</member>
</Values>
<Id>a1</Id>
<Label>buffers1</Label>
<StatusCode>Complete</StatusCode>
</member>
</MetricDataResults>
</GetMetricDataResult>
<ResponseMetadata>
<RequestId>xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx</RequestId>
</ResponseMetadata>
</GetMetricDataResponse>
* Connection #0 to host localhost left intact
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