unable to find tacker.conf file after tacker installation

I have tried installing Tacker from stable/newton branch. I am following this link for installation on Newton controller: http://docs.openstack.org/developer/tacker/install/manual_installation.html

Both Tacker server and client are on controller node only.

Following is the trace that I am getting after installation (tacker.conf generation is missing it seems)

creating /usr/local/etc/rootwrap.d
copying etc/tacker/rootwrap.d/tacker.filters -> /usr/local/etc/rootwrap.d
creating /usr/local/etc/tacker
copying etc/tacker/api-paste.ini -> /usr/local/etc/tacker
copying etc/tacker/policy.json -> /usr/local/etc/tacker
copying etc/tacker/rootwrap.conf -> /usr/local/etc/tacker
creating /usr/local/etc/init.d
copying etc/init.d/tacker-server -> /usr/local/etc/init.d
running install_egg_info
Copying tacker.egg-info to /usr/local/lib/python2.7/dist-packages/tacker-0.5.1.dev12.egg-info
running install_scripts
Installing tacker-server script to /usr/local/bin
Installing tacker-rootwrap script to /usr/local/bin
Installing tacker-db-manage script to /usr/local/bin

While generating tacker.conf, I am getting this trace:

root@controller:/home/ubuntu/tacker# tox -e config-gen
config-gen create: /home/ubuntu/tacker/.tox/config-gen
config-gen installdeps: -r/home/ubuntu/tacker/requirements.txt, -r/home/ubuntu/tacker/test-requirements.txt, setuptools-git>=0.4
ERROR: invocation failed, logfile: /home/ubuntu/tacker/.tox/config-gen/log/config-gen-1.log
ERROR: actionid=config-gen
msg=getenv
cmdargs=[local('/home/ubuntu/tacker/.tox/config-gen/bin/pip'), 'install', '-U', '-c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/newton}', '-r/home/ubuntu/tacker/requirements.txt', '-r/home/ubuntu/tacker/test-requirements.txt', 'setuptools-git>=0.4']
env={'PYTHONIOENCODING': 'utf_8', 'LESSOPEN': '| /usr/bin/lesspipe %s', 'LOGNAME': 'root', 'USER': 'root', 'PATH': '/home/ubuntu/tacker/.tox/config-gen/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games', 'HOME': '/home/ubuntu/tacker/.tox/config-gen/tmp/pseudo-home', 'LANG': 'en_US.UTF-8', 'TERM': 'xterm', 'SHELL': '/bin/bash', 'SHLVL': '1', 'SUDO_USER': 'ubuntu', 'USERNAME': 'root', 'XDG_RUNTIME_DIR': '/run/user/1000', 'SUDO_UID': '1000', 'VIRTUAL_ENV': '/home/ubuntu/tacker/.tox/config-gen', 'LC_ALL': 'en_US.UTF-8', 'XDG_SESSION_ID': '7', '_': '/usr/bin/tox', 'SUDO_COMMAND': '/bin/su', 'SUDO_GID': '1000', 'LESSCLOSE': '/usr/bin/lesspipe %s %s', 'OLDPWD': '/home/ubuntu/tacker/tacker', 'PWD': '/home/ubuntu/tacker', 'MAIL': '/var/mail/root', 'LS_COLORS': 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lz=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:'}

Usage:
  pip install [options] <requirement specifier> ...
  pip install [options] -r <requirements file> ...
  pip install [options] [-e] <vcs project url> ...
  pip install [options] [-e] <local project path> ...
  pip install [options] <archive url/path> ...

no such option: -c

ERROR: could not install deps [-r/home/ubuntu/tacker/requirements.txt, -r/home/ubuntu/tacker/test-requirements.txt, setuptools-git>=0.4]
______________________________________ summary _______________________________________
ERROR: config-gen: could not install deps [-r/home/ubuntu/tacker/requirements.txt, -r/home/ubuntu/tacker/test-requirements.txt, setuptools-git>=0.4]