Addition of Amazon S3 tile store module#143

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estadtherr wants to merge 36 commits intoopenstreetmap:masterfrom

estadtherr:s3_api_upgrade_pr

Commits on Jan 19, 2016

started working on S3 storage backend
Eric Stadtherr
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added libs3 autoconf support, completed initial store_s3 implementation
Eric Stadtherr
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allow case where default host name for s3 access isn't specified in connection string
Eric Stadtherr
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add url-decoding to s3 connection string
Eric Stadtherr
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add url detection for s3 storage
Eric Stadtherr
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add new storage module to apache module build
Eric Stadtherr
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fix error logging
Eric Stadtherr
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added s3 testing to unit test, got s3 working with metatiles
Eric Stadtherr
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add environment variable support to S3 credential configuration
Eric Stadtherr
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don't chdir when forking - this allows systemd to configure the working directory
Eric Stadtherr
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let systemd handle stdout/stderr too
Eric Stadtherr
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clean up some uninitialized values
Eric Stadtherr
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fix more uninitialized values to make valgrind happy
Eric Stadtherr
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fix buffer write quantity computation
Eric Stadtherr
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removed some debug to help performance
Eric Stadtherr
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cleanup of logging
Eric Stadtherr
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added S3 reference to README
Eric Stadtherr
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Commits on Jan 21, 2016

improved autoconf support for libs3 - now allows library location to be specified to configure
Eric Stadtherr
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Commits on Jan 22, 2016

fix library search path when specifying an alternate location for libs3 library
Eric Stadtherr
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Commits on Jan 25, 2016

add environment variable support to bucket name and basepath
Eric Stadtherr
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Commits on Jan 26, 2016

improve error logging upon bind failure
Eric Stadtherr
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fix compilation error when specifying non-standard libs3 directory
Eric Stadtherr
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Commits on Feb 4, 2016

refined debug logging
Eric Stadtherr
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add s3 connection string description to example configuration file
Eric Stadtherr
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Commits on Mar 1, 2016

fix double-free of storage object
Eric Stadtherr
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Commits on Oct 6, 2016

made the s3 storage module a little less chatty
Eric Stadtherr
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tweaks to logging
Eric Stadtherr
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reduced logging
Eric Stadtherr
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fix errors in S3 usage
Eric Stadtherr
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update to newer libs3 version that supports AWS Signature V4
Eric Stadtherr
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fix compile warning
Eric Stadtherr
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fix uninitialized memory
Eric Stadtherr
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improve logging of different tile URL cases
Eric Stadtherr
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fix uninitialized property field and spelling error
Eric Stadtherr
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Commits on Nov 16, 2016

improve error checking
Eric Stadtherr
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Merge remote-tracking branch 'github/s3_tile_store' into s3_api_upgrade_pr
Eric Stadtherr
committed