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Looks like the ubuntu package for dnspython 1.9.4, and the Swift package
you have is requiring dnspython 1.10.0

Try to install the newer dnspython with pip:

    pip install "dnspython==1.10.0"

-Clay


On Sat, Aug 17, 2013 at 3:10 AM, pragya jain <prag_2648 at yahoo.co.in> wrote:

> hello all!
>
>
> I am installing and configuring swift using the commands given in the book
> "software defined storage with openstack swift" by Joe Arnold.
> I am working on Ubuntu 12.04
> I had downloaded swift, install it, configure files, prepare the drives,
> mount and reboot
> Then, I again give 'mount' command and following results are recieved.
>
> arun at arun-Aspire-5742:~$ mount
> /dev/sda4 on / type ext4 (rw,errors=remount-ro)
> proc on /proc type proc (rw,noexec,nosuid,nodev)
> sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
> none on /sys/fs/fuse/connections type fusectl (rw)
> none on /sys/kernel/debug type debugfs (rw)
> none on /sys/kernel/security type securityfs (rw)
> udev on /dev type devtmpfs (rw,mode=0755)
> devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
> tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
> none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
> none on /run/shm type tmpfs (rw,nosuid,nodev)
> gvfs-fuse-daemon on /home/arun/.gvfs type fuse.gvfs-fuse-daemon
> (rw,nosuid,nodev,user=arun)
>
> Then, I proceed further for creating the builder files
>
> arun at arun-Aspire-5742:~$ cd /etc/swift
> arun at arun-Aspire-5742:/etc/swift$ su -
> Password:
> root at arun-Aspire-5742:~# cd /etc/swift
> root at arun-Aspire-5742:/etc/swift# sudo swift-ring-builder account.builder
> create 18 3 24
> Traceback (most recent call last):
>   File "/usr/local/bin/swift-ring-builder", line 4, in <module>
>     import pkg_resources
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2707, in
> <module>
>     working_set.require(__requires__)
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 686, in
> require
>     needed = self.resolve(parse_requirements(requirements))
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 584, in
> resolve
>     raise DistributionNotFound(req)
> pkg_resources.DistributionNotFound: dnspython>=1.10.0
> root at arun-Aspire-5742:/etc/swift# sudo swift-ring-builder
> container.builder create 18 3 24
> Traceback (most recent call last):
>   File "/usr/local/bin/swift-ring-builder", line 4, in <module>
>     import pkg_resources
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2707, in
> <module>
>     working_set.require(__requires__)
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 686, in
> require
>     needed = self.resolve(parse_requirements(requirements))
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 584, in
> resolve
>     raise DistributionNotFound(req)
> pkg_resources.DistributionNotFound: dnspython>=1.10.0
> root at arun-Aspire-5742:/etc/swift# sudo swift-ring-builder object.builder
> create 18 3 24
> Traceback (most recent call last):
>   File "/usr/local/bin/swift-ring-builder", line 4, in <module>
>     import pkg_resources
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2707, in
> <module>
>     working_set.require(__requires__)
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 686, in
> require
>     needed = self.resolve(parse_requirements(requirements))
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 584, in
> resolve
>     raise DistributionNotFound(req)
> pkg_resources.DistributionNotFound: dnspython>=1.10.0
> root at arun-Aspire-5742:/etc/swift#
> root at arun-Aspire-5742:/etc/swift# swift-ring-builder
> Traceback (most recent call last):
>   File "/usr/local/bin/swift-ring-builder", line 4, in <module>
>     import pkg_resources
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2707, in
> <module>
>     working_set.require(__requires__)
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 686, in
> require
>     needed = self.resolve(parse_requirements(requirements))
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 584, in
> resolve
>     raise DistributionNotFound(req)
> pkg_resources.DistributionNotFound: dnspython>=1.10.0
>
> I was doubtful that these results are not correct and there is some
> problem in creating builder files.
>
> I install the python package dnspython using 'apt-get install' command
> Then, I try to create builder file
> But, again, I get the  same error
>
> root at arun-Aspire-5742:~# cd /opt/swift/etc
> root at arun-Aspire-5742:/opt/swift/etc# sudo apt-get install
> python-dnspython
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> The following NEW packages will be installed:
>   python-dnspython
> 0 upgraded, 1 newly installed, 0 to remove and 590 not upgraded.
> Need to get 99.2 kB of archives.
> After this operation, 548 kB of additional disk space will be used.
> Get:1 http://us.archive.ubuntu.com/ubuntu/ precise/main python-dnspython
> all 1.9.4-0ubuntu3 [99.2 kB]
> Fetched 99.2 kB in 3s (30.7 kB/s)
> Selecting previously unselected package python-dnspython.
> (Reading database ... 150833 files and directories currently installed.)
> Unpacking python-dnspython (from
> .../python-dnspython_1.9.4-0ubuntu3_all.deb) ...
> Setting up python-dnspython (1.9.4-0ubuntu3) ...
>
> root at arun-Aspire-5742:/opt/swift/etc# cd /etc/swift
> root at arun-Aspire-5742:/etc/swift# sudo swift-ring-builder account.builder
> create 18 3 24
> Traceback (most recent call last):
>   File "/usr/local/bin/swift-ring-builder", line 4, in <module>
>     import pkg_resources
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2711, in
> <module>
>     parse_requirements(__requires__), Environment()
>   File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 584, in
> resolve
>     raise DistributionNotFound(req)
> pkg_resources.DistributionNotFound: dnspython>=1.10.0
> root at arun-Aspire-5742:/etc/swift#
>
> please help me in this regard
>
> ---
>
> thanks
>
> Pragya Jain
>
>
>
>
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