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authorQiaowei Ren <qiaowei.ren@intel.com>2018-01-04 13:43:33 +0800
committerQiaowei Ren <qiaowei.ren@intel.com>2018-01-05 11:59:39 +0800
commit812ff6ca9fcd3e629e49d4328905f33eee8ca3f5 (patch)
tree04ece7b4da00d9d2f98093774594f4057ae561d4 /src/ceph/doc/dev/quick_guide.rst
parent15280273faafb77777eab341909a3f495cf248d9 (diff)
initial code repo
This patch creates initial code repo. For ceph, luminous stable release will be used for base code, and next changes and optimization for ceph will be added to it. For opensds, currently any changes can be upstreamed into original opensds repo (https://github.com/opensds/opensds), and so stor4nfv will directly clone opensds code to deploy stor4nfv environment. And the scripts for deployment based on ceph and opensds will be put into 'ci' directory. Change-Id: I46a32218884c75dda2936337604ff03c554648e4 Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
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+=================================
+ Developer Guide (Quick)
+=================================
+
+This guide will describe how to build and test Ceph for development.
+
+Development
+-----------
+
+The ``run-make-check.sh`` script will install Ceph dependencies,
+compile everything in debug mode and run a number of tests to verify
+the result behaves as expected.
+
+.. code::
+
+ $ ./run-make-check.sh
+
+
+Running a development deployment
+--------------------------------
+Ceph contains a script called ``vstart.sh`` (see also :doc:`/dev/dev_cluster_deployement`) which allows developers to quickly test their code using
+a simple deployment on your development system. Once the build finishes successfully, start the ceph
+deployment using the following command:
+
+.. code::
+
+ $ cd ceph/build # Assuming this is where you ran cmake
+ $ make vstart
+ $ ../src/vstart.sh -d -n -x
+
+You can also configure ``vstart.sh`` to use only one monitor and one metadata server by using the following:
+
+.. code::
+
+ $ MON=1 MDS=1 ../src/vstart.sh -d -n -x
+
+The system creates two pools on startup: `cephfs_data_a` and `cephfs_metadata_a`. Let's get some stats on
+the current pools:
+
+.. code::
+
+ $ bin/ceph osd pool stats
+ *** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
+ pool cephfs_data_a id 1
+ nothing is going on
+
+ pool cephfs_metadata_a id 2
+ nothing is going on
+
+ $ bin/ceph osd pool stats cephfs_data_a
+ *** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
+ pool cephfs_data_a id 1
+ nothing is going on
+
+ $ bin/rados df
+ POOL_NAME USED OBJECTS CLONES COPIES MISSING_ON_PRIMARY UNFOUND DEGRADED RD_OPS RD WR_OPS WR
+ cephfs_data_a 0 0 0 0 0 0 0 0 0 0 0
+ cephfs_metadata_a 2246 21 0 63 0 0 0 0 0 42 8192
+
+ total_objects 21
+ total_used 244G
+ total_space 1180G
+
+
+Make a pool and run some benchmarks against it:
+
+.. code::
+
+ $ bin/rados mkpool mypool
+ $ bin/rados -p mypool bench 10 write -b 123
+
+Place a file into the new pool:
+
+.. code::
+
+ $ bin/rados -p mypool put objectone <somefile>
+ $ bin/rados -p mypool put objecttwo <anotherfile>
+
+List the objects in the pool:
+
+.. code::
+
+ $ bin/rados -p mypool ls
+
+Once you are done, type the following to stop the development ceph deployment:
+
+.. code::
+
+ $ ../src/stop.sh
+
+Resetting your vstart environment
+---------------------------------
+
+The vstart script creates out/ and dev/ directories which contain
+the cluster's state. If you want to quickly reset your environment,
+you might do something like this:
+
+.. code::
+
+ [build]$ ../src/stop.sh
+ [build]$ rm -rf out dev
+ [build]$ MDS=1 MON=1 OSD=3 ../src/vstart.sh -n -d
+
+Running a RadosGW development environment
+-----------------------------------------
+
+Set the ``RGW`` environment variable when running vstart.sh to enable the RadosGW.
+
+.. code::
+
+ $ cd build
+ $ RGW=1 ../src/vstart.sh -d -n -x
+
+You can now use the swift python client to communicate with the RadosGW.
+
+.. code::
+
+ $ swift -A http://localhost:8000/auth -U test:tester -K testing list
+ $ swift -A http://localhost:8000/auth -U test:tester -K testing upload mycontainer ceph
+ $ swift -A http://localhost:8000/auth -U test:tester -K testing list
+
+
+Run unit tests
+--------------
+
+The tests are located in `src/tests`. To run them type:
+
+.. code::
+
+ $ make check
+