[gdal-dev] 503 Errors when accessing Public Datasets on Google Cloud Storage with automatic auth

Christoph Paulik cpaulik at vandersat.com
Wed Oct 16 08:20:55 PDT 2019


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_N0205_R037_T29TNE_20170719T112511.SAFE/GRANULE/L1C_T29TNE_A001922_20170719T112511/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_T29TNE_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_20170719T112511/IMG_DATA/T29TNE_20170719T112119_B01.jp2'.


-- 
*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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