Hi All...
For reasons which are not important here, I have to compile ceph clients
in SL6/Centos6. In a previous thread, I have posted instructions on how
to do that for an Infernalis release. The instructions for Jewel 10.2.1
follow. Maybe someone else may profit from those since Centos6 releases
are no longer provided.
Please note that, as requirements, gcc > 4.7 and python 2.7 have to be
available in the machine (you can compile and install those in
alternative locations, or simply use a software collection).
1./ The tarball available at ceph download site and the source tarball
distributed with the srpm are different in size. I have used the source
tarball distributed with the srpm
2./ Set the environment:
$ export
LD_LIBRARY_PATH=/usr/local/sw/sl6/x86_64/gcc/4.8.4/lib:/usr/local/sw/sl6/x86_64/gcc/4.8.4/lib64:$LD_LIBRARY_PATH
$ export CC=/usr/local/sw/sl6/x86_64/gcc/4.8.4/bin/gcc
$ export PATH=/usr/local/sw/sl6/x86_64/gcc/4.8.4/bin:$PATH
$ export CPATH=/usr/local/sw/sl6/x86_64/gcc/4.8.4/include:$CPATH
$ cat /etc/ld.so.conf.d/gcc-4.8.4.el6.x86_64.conf
/usr/local/sw/sl6/x86_64/gcc/4.8.4/lib64
/usr/local/sw/sl6/x86_64/gcc/4.8.4/lib
$ export
PYTHONPATH=/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6:$PYTHONPATH
$ export
LD_LIBRARY_PATH=/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/lib:$LD_LIBRARY_PATH
$ export PATH=/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/bin:$PATH
$ export
CPATH=/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/include/:$CPATH
$ cat /etc/ld.so.conf.d/python-2.7.6.el6.x86_64.conf
/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/lib/
Note that we will have to make the following symbolic link since
most configuration tools rely on commands such as'python-config
–ldflags|–cflags|…' to set the proper configurations paths for
compiling python bindings.
$ ln -s
/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/bin/python2.7-config
/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/bin/python-config
3./ Download and install a more recent kernel, kernel-headers and
kernel-devel and use it in the compilation node (some tools use
definitions only provided by a most recent kernel-header). In our case,
we have used the kernels available in
http://elrepo.org/linux/kernel/el6/x86_64/RPMS/
(3.10.101-1.el6.elrepo.x86_64)
$ rpm -qa | grep kernel
kernel-lt-headers-3.10.101-1.el6.elrepo.x86_64
kernel-lt-devel-3.10.101-1.el6.elrepo.x86_64
dracut-kernel-004-388.el6.noarch
kernel-lt-3.10.101-1.el6.elrepo.x86_64
4./ Install and start a virtualenv with python 2.7 (from your
SL6/Centos6 repos)
$ yum install virtual-env
$ virtualenv -p
/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/bin/python2.7
--system-site-packages python27
Running virtualenv with interpreter
/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/bin/python2.7
New python executable in python27/bin/python2.7
Also creating executable in python27/bin/python
Installing
Setuptools........................................................................done.
Installing
Pip...............................................................................done.
$ source python27/bin/activate
(python27)#
(python27)# which python-config
/usr/local/sw/sl6/gcc484/x86_64/python/2.7.6/bin/python-config
5./ Install some python packages needed during ceph 10.2.1 compilation
(python27)# pip install Cython
(python27)# pip install nose
(python27)# pip install requests
(python27)# pip install sphinx
6./ Install the following software (from your SL6/Centos6 repos)
(python27)$ wget
http://mirror.centos.org/centos/6/os/x86_64/Packages/snappy-devel-1.1.0-1.el6.x86_64.rpm
(SL6 does not provide this package)
(python27)$ yum localinstall snappy-devel-1.1.0-1.el6.x86_64.rpm
(python27)$ yum install junit4 fcgi-devel expat-devel
libbabeltrace-devel lttng-ust-devel gperftools-devel
libatomic_ops-devel keyutils-libs-devel nss-devel bzip2-devel yasm
xmlstarlet xfsprogs-devel snappy-devel libudev-devel libblkid-devel
libxml2-devel libedit-devel libcurl-devel libaio-devel leveldb-devel
fuse-devel cmake sharutils java-devel libselinux-devel
selinux-policy-doc openldap-devel openssl-devel
7./ Ceph requires boost-random which is impossible to satisfy since it
does not exist in Centos6/SL6. I've downloaded the SRPM from Centos 7
and rebuild it. Please note that my first rebuild fails with problems
producing the debug repo. To solve it, I modified the rpm spec to
include the following line at the beginning: '%define debug_package
%{nil}'. This instruction will bypass the debuginfo rpm creation.
(python27)$ wget
http://vault.centos.org/7.1.1503/os/Source/SPackages/boost-1.53.0-23.el7.src.rpm
(python27)$ yum install mpich-devel openmpi-devel chrpath libicu-devel
(python27)$ rpmbuild --rebuild boost-1.53.0-23.el7.src.rpm
(python27)$ yum remove 'boost*'
(python27)$ cd /root/rpmbuild/RPMS/x86_64/
(python27)$ rpm -ivh --nodeps *
8./ It is now possible to properly compile Ceph 10.2.1
(python27)$ mkdir -p /usr/local/sw/sl6/gcc484/x86_64/ceph/10.2.1
(python27)$ tar xzvf ceph-10.2.1.tar.gz
(python27)$ cd ceph-10.2.1
(python27)$ ./configure --without-selinux
--prefix=/usr/local/sw/sl6/gcc484/x86_64/ceph/10.2.1
(python27)$ make
(python27)$ make install
Cheers
G.
-- Goncalo Borges Research Computing ARC Centre of Excellence for
Particle Physics at the Terascale School of Physics A28 | University of
Sydney, NSW 2006 T: +61 2 93511937
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