Hi, The thing is that one request works fine in any case. But google seems to rate limit on the public bucket in the following cases:
- no authentication (/vsicurl/ driver) - authentication with automatic detection by gdal that it is running on a GCE VM. but not when using the explicit authentication with GS_ACCESS_KEY_ID/GS_SECRET_ACCESS_KEY Christoph On Wed, 16 Oct 2019 at 17:31, Even Rouault <[email protected]> wrote: > Hi, > > did you try with Google gsutil tool ? > > Anyway as it is a public resource that doesn't require any signing, you > could > just use > > /vsicurl/ > https://storage.googleapis.com/gcp-public-data-sentinel-2/tiles/29/T/ > > NE/S2B_MSIL1C_20170719T112119_N0205_R037_T29TNE_20170719T112511.SAFE/GRANULE/ > L1C_T29TNE_A001922_20170719T112511/IMG_DATA/T29TNE_20170719T112119_B01.jp2 > <https://storage.googleapis.com/gcp-public-data-sentinel-2/tiles/29/T/NE/S2B_MSIL1C_20170719T112119_N0205_R037_T29TNE_20170719T112511.SAFE/GRANULE/L1C_T29TNE_A001922_20170719T112511/IMG_DATA/T29TNE_20170719T112119_B01.jp2> > > Even > > > Hi, > > > > When doing a few requests to the Sentinel 2 bucket of Google ( > > https://cloud.google.com/storage/docs/public-datasets/sentinel-2) we > have > > been getting 503 Responses when using the automatic authentication. See > the > > end of this email for the full output. > > > > This behavior goes away when using e.g. the > > GS_ACCESS_KEY_ID/GS_SECRET_ACCESS_KEY authentication method. > > > > The Service account this machine is running with has "Full Access to All > > Cloud APIs" > > > > Not sure if this is a gdal problem or actually a google internal issue > > since accessing our own buckets works fine. > > > > Best, > > Christoph > > > > Output: > > export CPL_DEBUG=ON > > gdalinfo > > > /vsigs/gcp-public-data-sentinel-2/tiles/29/T/NE/S2B_MSIL1C_20170719T112119_N > > > 0205_R037_T29TNE_20170719T112511.SAFE/GRANULE/L1C_T29TNE_A001922_20170719T11 > > 2511/IMG_DATA/T29TNE_20170719T112119_B01.jp2 > > > > HTTP: Fetch( > > > http://metadata.google.internal/computeMetadata/v1/instance/service-accounts > > /default/token ) > > HTTP: libcurl/7.65.3 OpenSSL/1.1.1c zlib/1.2.5 libssh2/1.8.2 > > HTTP: GDAL was built against curl 7.64.1, but is running against 7.65.3. > > HTTP: These HTTP headers were set: Metadata-Flavor: Google > > GOA2: Refresh Token Response: > > {"access_token":"REMOVED IN > EMAIL","expires_in":2877,"token_type":"Bearer"} > > GOA2: Access Token : 'REMOVED IN EMAIL' > > GS: Using GCE inherited permissions > > GS: <html><head><meta http-equiv="content-type" content="text/html; > > charset=utf-8"/><title>Sorry...</title><style> body { font-family: > verdana, > > arial, sans-serif; background-color: #fff; color: #000; > > }</style></head><body><div><table><tr><td><b><font face=sans-serif > > size=10><font color=#4285f4>G</font><font color=#ea4335>o</font><font > > color=#fbbc05>o</font><font color=#4285f4>g</font><font > > color=#34a853>l</font><font color=#ea4335>e</font></font></b></td><td > > style="text-align: left; vertical-align: bottom; padding-bottom: 15px; > > width: 50%"><div style="border-bottom: 1px solid > > #dfdfdf;">Sorry...</div></td></tr></table></div><div style="margin-left: > > 4em;"><h1>We're sorry...</h1><p>... but your computer or network may be > > sending automated queries. To protect our users, we can't process your > > request right now.</p></div><div style="margin-left: 4em;">See <a href=" > > https://support.google.com/websearch/answer/86640";>Google Help</a> for > more > > information.<br/><br/></div><div style="text-align: center; border-top: > 1px > > solid #dfdfdf;"><a href="https://www.google.com";>Google > > Home</a></div></body></html> > > VSICURL: GetFileSize( > > > https://storage.googleapis.com/gcp-public-data-sentinel-2/tiles/29/T/NE/S2B_ > > > MSIL1C_20170719T112119_N0205_R037_T29TNE_20170719T112511.SAFE/GRANULE/L1C_T2 > > 9TNE_A001922_20170719T112511/IMG_DATA/T29TNE_20170719T112119_B01.jp2)=0 > > response_code=503 > > GS: <html><head><meta http-equiv="content-type" content="text/html; > > charset=utf-8"/><title>Sorry...</title><style> body { font-family: > verdana, > > arial, sans-serif; background-color: #fff; color: #000; > > }</style></head><body><div><table><tr><td><b><font face=sans-serif > > size=10><font color=#4285f4>G</font><font color=#ea4335>o</font><font > > color=#fbbc05>o</font><font color=#4285f4>g</font><font > > color=#34a853>l</font><font color=#ea4335>e</font></font></b></td><td > > style="text-align: left; vertical-align: bottom; padding-bottom: 15px; > > width: 50%"><div style="border-bottom: 1px solid > > #dfdfdf;">Sorry...</div></td></tr></table></div><div style="margin-left: > > 4em;"><h1>We're sorry...</h1><p>... but your computer or network may be > > sending automated queries. To protect our users, we can't process your > > request right now.</p></div><div style="margin-left: 4em;">See <a href=" > > https://support.google.com/websearch/answer/86640";>Google Help</a> for > more > > information.<br/><br/></div><div style="text-align: center; border-top: > 1px > > solid #dfdfdf;"><a href="https://www.google.com";>Google > > Home</a></div></body></html> > > ERROR 11: HTTP response code: 503 > > gdalinfo failed - unable to open > > > '/vsigs/gcp-public-data-sentinel-2/tiles/29/T/NE/S2B_MSIL1C_20170719T112119_ > > > N0205_R037_T29TNE_20170719T112511.SAFE/GRANULE/L1C_T29TNE_A001922_20170719T1 > > 12511/IMG_DATA/T29TNE_20170719T112119_B01.jp2'. > > > -- > Spatialys - Geospatial professional services > http://www.spatialys.com > -- *Christoph Paulik* // Head of Infrastructure VanderSat // Satellite observed water data. Globally. Daily. Wilhelminastraat 43a, 2011 VK, Haarlem (NL), The Netherlands <https://maps.google.com/?q=Wilhelminastraat+43a,+2011+VK,+Haarlem+(NL),+The+Netherlands&entry=gmail&source=g> *M* +31 6 18271928 *W* www.vandersat.com --------------------------------------------------------------------------------------
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