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* to reference the script to generate corpus * use qa/workunits/rgw/run-s3tests.sh for producing rgw corpus Signed-off-by: Kefu Chai <kchai@redhat.com>
99 lines
2.5 KiB
ReStructuredText
99 lines
2.5 KiB
ReStructuredText
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Corpus structure
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================
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ceph.git/ceph-object-corpus is a submodule.::
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bin/ # misc scripts
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archive/$version/objects/$type/$hash # a sample of encoded objects from a specific version
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You can also mark known or deliberate incompatibilities between versions with::
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archive/$version/forward_incompat/$type
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The presence of a file indicates that new versions of code cannot
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decode old objects across that $version (this is normally the case).
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How to generate an object corpus
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--------------------------------
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We can generate an object corpus for a particular version of ceph using the
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script of ``script/gen-corpus.sh``, or by following the instructions below:
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#. Checkout a clean repo (best not to do this where you normally work)::
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git clone ceph.git
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cd ceph
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git submodule update --init --recursive
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#. Build with flag to dump objects to ``/tmp/foo``::
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rm -rf /tmp/foo ; mkdir /tmp/foo
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do_cmake.sh -DCMAKE_CXX_FLAGS="-DENCODE_DUMP_PATH=/tmp/foo"
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cd build
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make
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#. Start via vstart::
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cd build
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MON=3 MGR=2 OSD=3 MDS=3 RGW=1 ../src/vstart.sh -n -x
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#. Use as much functionality of the cluster as you can, to exercise as many object encoder methods as possible::
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bin/ceph osd pool create mypool 8
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bin/rados -p mypool bench 10 write -b 123
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bin/ceph osd out 0
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bin/ceph osd in 0
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bin/init-ceph restart osd.1
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for f in ../qa/workunits/cls/*.sh ; do PATH="bin:$PATH" $f ; done
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PATH="bin:$PATH" ../qa/workunits/rados/test.sh
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bin/ceph_test_librbd
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bin/ceph_test_libcephfs
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bin/init-ceph restart mds.a
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../qa/workunits/rgw/run-s3tests.sh
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#. Stop::
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../src/stop.sh
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#. Import the corpus (this will take a few minutes)::
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../src/test/encoding/import.sh /tmp/foo `bin/ceph-dencoder version` ../ceph-object-corpus/archive
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../src/test/encoding/import-generated.sh ../ceph-object-corpus/archive
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#. Prune it! There will be a bazillion copies of various objects, and we only want a representative sample.::
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pushd ../ceph-object-corpus
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bin/prune-archive.sh
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popd
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#. Verify the tests pass::
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ctest -R readable.sh
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#. Commit it to the corpus repo and push::
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pushd ../ceph-object-corpus
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git checkout -b wip-new
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git add archive/`../build/bin/ceph-dencoder version`
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git commit -m `../build/bin/ceph-dencoder version`
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git remote add cc git@github.com:ceph/ceph-object-corpus.git
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git push cc wip-new
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popd
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#. Go test it out::
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cd my/regular/tree
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cd ceph-object-corpus
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git fetch origin
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git checkout wip-new
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cd ../build
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ctest -R readable.sh
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#. If everything looks good, update the submodule master branch, and commit the submodule in ceph.git.
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