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Hacking Keep » History » Version 4

Tom Clegg, 07/16/2014 09:24 AM

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h1. Hacking Keep
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{{toc}}
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h2. Source tree layout
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The Keep server source code is in @/services/keep/src/keep@.
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<pre>
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cd
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git clone https://github.com/curoverse/arvados.git
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ls arvados/services/keep/src/keep
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</pre>
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h2. Install build-prerequisites
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Install Go. See http://golang.org/doc/install or try this short cut:
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<pre>
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wget https://go.googlecode.com/files/go1.2.1.linux-amd64.tar.gz
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sudo tar -C /usr/local -xzf go1.2.1.linux-amd64.tar.gz
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cd /usr/local/bin
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sudo ln -s ../go/bin/* .
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</pre>
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(Check https://code.google.com/p/go/downloads/list for other platforms and newer versions.)
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Install mux.
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<pre>
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GOPATH=~/go go get github.com/gorilla/mux
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</pre>
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h2. Run test suite
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<pre>
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cd ~/arvados/services/keep/src/keep
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GOPATH=~/go go test
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</pre>
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You should see something like this:
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<pre>
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2014/07/16 09:24:01 GET e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 GET e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 GET e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 GET e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 GET e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 PUT e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 PUT e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 PUT e4d909c290d0fb1ca068ffaddf22cbd0
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2014/07/16 09:24:01 [MockVolume]: checksum mismatch for request e4d909c290d0fb1ca068ffaddf22cbd0 (actual 55ae4d45d2db0793d53f03e805f656e5)
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2014/07/16 09:24:01 e4d909c290d0fb1ca068ffaddf22cbd0: checksum mismatch, no good copy found
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2014/07/16 09:24:01 GetBlock: reading e4d909c290d0fb1ca068ffaddf22cbd0: Bad volume
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2014/07/16 09:24:01 [MockVolume]: Write(e4d909c290d0fb1ca068ffaddf22cbd0): Bad volume
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2014/07/16 09:24:01 GetBlock: reading e4d909c290d0fb1ca068ffaddf22cbd0: Bad volume
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2014/07/16 09:24:01 e4d909c290d0fb1ca068ffaddf22cbd0: MD5 checksum 55ae4d45d2db0793d53f03e805f656e5 did not match request
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2014/07/16 09:24:01 [MockVolume]: checksum mismatch for request e4d909c290d0fb1ca068ffaddf22cbd0 (actual 55ae4d45d2db0793d53f03e805f656e5)
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2014/07/16 09:24:01 e4d909c290d0fb1ca068ffaddf22cbd0: checksum mismatch, no good copy found
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2014/07/16 09:24:01 e4d909c290d0fb1ca068ffaddf22cbd0: could not create directory /tmp/volume_test436651248/e4d: mkdir /tmp/volume_test436651248/e4d: permission denied
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PASS
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ok      _/home/you/src/arvados/services/keep/src/keep   0.030s
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</pre>