[gdal-dev] Failing to write to s3 using GTiff driver.

[Even Rouault]

William,

can you add "--debug on" and retry to see if more hints are emitted 
about what's going on.

Even

Le 15/08/2022 à 11:45, William Roper a écrit :
> Hi list,
>
> I'm trying to convert a GeoTiff on s3 into a COG, that will also live 
> on s3. I'm working on EC2 instances, or fargate containers, because 
> local download and upload speeds are a bit slow.
>
> gdalwarp \
>    --config AWS_SECRET_ACCESS_KEY <my-secret-key> \
>    --config AWS_ACCESS_KEY_ID <my-access-key> \
>    --config CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE YES \
>    --config CPL_TMPDIR /tmp \
>    -of COG
>    -co TILING_SCHEME=GoogleMapsCompatible
>    -co COMPRESS=DEFLATE
>    -co NUM_THREADS=ALL_CPUS
>    /vsis3/my-bucket/original-old-geotif.tif
>    /vsis3/my-bucket/shiny-new-cog.tif
>
> And get the following error:
> 0...10...20...30...ERROR 1: Only read-only mode is supported for /vsicurl
>
> I get the same issue running in a docker container (osgeo/gdal:latest) 
> or on an ubuntu EC2 instance with gdal-bin installed with apt  
> (version 3.4.1).
>
> I can work around it by writing the COG to the machine, and then 
> uploading to s3, but was wondered what I was doing wrong/not 
> understanding.
>
> Many thanks
> Will
>
>
>
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