diff --git a/files/ebuilds/ceilometer-collector b/files/ebuilds/ceilometer-collector
new file mode 100644
index 0000000000..11082eefc1
--- /dev/null
+++ b/files/ebuilds/ceilometer-collector
@@ -0,0 +1,4 @@
+# Not available in openSUSE main repositories, but can be fetched from OBS
+# (devel:languages:python and server:database projects)
+dev-db/mongodb
+dev-python/pymongo
diff --git a/files/ebuilds/cinder b/files/ebuilds/cinder
new file mode 100644
index 0000000000..f154f811ef
--- /dev/null
+++ b/files/ebuilds/cinder
@@ -0,0 +1,2 @@
+sys-fs/lvm2
+sys-block/tgt
diff --git a/files/ebuilds/general b/files/ebuilds/general
new file mode 100644
index 0000000000..e27b1076a2
--- /dev/null
+++ b/files/ebuilds/general
@@ -0,0 +1,24 @@
+net-misc/bridge-utils
+net-misc/curl
+euca2ools # NOPRIME
+dev-vcs/git
+net-misc/iputils
+net-misc/openssh
+dev-libs/openssl
+sys-process/psmisc
+dev-python/cmd2
+dev-python/netaddr
+dev-python/pep8
+dev-python/pip
+dev-python/pylint
+dev-python/unittest2
+dev-python/virtualenv
+app-misc/screen
+app-arch/tar
+net-analyzer/tcpdump
+app-arch/unzip
+app-editors/vim
+net-misc/wget
+
+sys-apps/mlocate # useful when debugging
+sys-process/lsof # useful when debugging
diff --git a/files/ebuilds/glance b/files/ebuilds/glance
new file mode 100644
index 0000000000..a19bdd48fd
--- /dev/null
+++ b/files/ebuilds/glance
@@ -0,0 +1,12 @@
+sys-devel/gcc
+dev-libs/libxml2
+dev-python/pastedeploy
+dev-python/routes
+dev-python/sqlalchemy
+dev-python/argparse
+dev-lang/python
+dev-python/eventlet
+dev-python/greenlet
+dev-python/iso8601
+wsgiref # NOPRIME
+dev-python/pyxattr
diff --git a/files/ebuilds/horizon b/files/ebuilds/horizon
new file mode 100644
index 0000000000..1d8e9f9c58
--- /dev/null
+++ b/files/ebuilds/horizon
@@ -0,0 +1,23 @@
+www-servers/apache
+www-apache/mod_wsgi
+net-libs/nodejs
+dev-python/cherrypy
+dev-python/paste
+dev-python/pastedeploy
+dev-python/routes
+dev-python/sphinx
+dev-python/sqlalchemy
+dev-python/webob
+dev-python/anyjson
+dev-python/beautifulsoup
+dev-python/coverage
+dev-python/python-dateutil
+dev-python/eventlet
+dev-python/kombu
+dev-python/mox
+dev-python/netaddr
+dev-python/nose
+dev-python/pep8
+dev-python/pylint
+dev-python/sqlalchemy-migrate
+dev-python/pyxattr
diff --git a/files/ebuilds/keystone b/files/ebuilds/keystone
new file mode 100644
index 0000000000..130226e5a2
--- /dev/null
+++ b/files/ebuilds/keystone
@@ -0,0 +1,15 @@
+dev-libs/cyrus-sasl
+net-nds/openldap
+dev-python/paste
+dev-python/pastedeploy
+dev-python/pastescript
+dev-python/routes
+dev-python/sqlalchemy
+dev-python/webob
+dev-lang/python
+dev-python/setuptools # instead of python-distribute; dist:sle11sp2
+dev-python/greenlet
+dev-python/lxml
+dev-python/mysql-python
+dev-python/pysqlite # NOPRIME needs sqlite use flag
+dev-db/sqlite
diff --git a/files/ebuilds/ldap b/files/ebuilds/ldap
new file mode 100644
index 0000000000..62d4eb311c
--- /dev/null
+++ b/files/ebuilds/ldap
@@ -0,0 +1,2 @@
+net-nds/openldap
+dev-python/python-ldap
diff --git a/files/ebuilds/n-api b/files/ebuilds/n-api
new file mode 100644
index 0000000000..2f870cff49
--- /dev/null
+++ b/files/ebuilds/n-api
@@ -0,0 +1,2 @@
+dev-python/python-ldap  # temporary because this pulls in glance to get the client without running the glance prereqs
+dev-python/python-dateutil
diff --git a/files/ebuilds/n-cpu b/files/ebuilds/n-cpu
new file mode 100644
index 0000000000..50996cef86
--- /dev/null
+++ b/files/ebuilds/n-cpu
@@ -0,0 +1,6 @@
+# Stuff for diablo volumes
+app-cdr/cdrkit
+sys-fs/lvm2
+sys-block/open-iscsi
+sys-fs/sysfsutils
+sys-apps/sg3_utils
diff --git a/files/ebuilds/n-novnc b/files/ebuilds/n-novnc
new file mode 100644
index 0000000000..d2179d4385
--- /dev/null
+++ b/files/ebuilds/n-novnc
@@ -0,0 +1 @@
+dev-python/numpy
diff --git a/files/ebuilds/n-spice b/files/ebuilds/n-spice
new file mode 100644
index 0000000000..d2179d4385
--- /dev/null
+++ b/files/ebuilds/n-spice
@@ -0,0 +1 @@
+dev-python/numpy
diff --git a/files/ebuilds/nova b/files/ebuilds/nova
new file mode 100644
index 0000000000..6bf2d7e98d
--- /dev/null
+++ b/files/ebuilds/nova
@@ -0,0 +1,49 @@
+net-misc/curl
+# Note: we need to package dhcp_release in dnsmasq!
+net-dns/dnsmasq
+net-firewall/ebtables
+sys-apps/gawk
+genisoimage # NOPRIME
+net-firewall/iptables
+net-misc/iputils
+kpartx # NOPRIME
+app-emulation/kvm-kmod   # NOPRIME gentoo users compile their own KVM modules
+# qemu as fallback if kvm cannot be used
+app-emulation/qemu  # NOPRIME
+app-emulation/libvirt  # NOPRIME
+dev-db/mysql
+sys-block/parted
+dev-python/m2crypto 
+dev-python/paste
+dev-python/pastedeploy
+dev-python/routes
+dev-python/sqlalchemy
+dev-python/tempita
+dev-python/boto
+dev-python/carrot
+dev-python/cheetah
+dev-python/eventlet
+dev-python/feedparser
+dev-python/greenlet
+dev-python/iso8601
+dev-python/kombu
+dev-python/lockfile
+dev-python/lxml # needed for glance which is needed for nova --- this shouldn't be here
+dev-python/mox
+dev-python/mysql-python
+dev-python/netaddr
+dev-python/numpy # needed by websockify for spice console
+dev-python/paramiko
+dev-python/python-gflags
+dev-python/sqlalchemy-migrate
+dev-python/suds
+dev-python/pyxattr # needed for glance which is needed for nova --- this shouldn't be here
+net-misc/rabbitmq-server
+net-misc/socat
+dev-db/sqlite
+app-admin/sudo
+vlan  # NOPRIME
+
+# FIXME: qpid is not part of gentoo, those names are tentative
+dev-python/qpid # NOPRIME
+qpidd # NOPRIME
diff --git a/files/ebuilds/postgresql b/files/ebuilds/postgresql
new file mode 100644
index 0000000000..1564bd5091
--- /dev/null
+++ b/files/ebuilds/postgresql
@@ -0,0 +1 @@
+dev-python/psycopg
diff --git a/files/ebuilds/quantum b/files/ebuilds/quantum
new file mode 100644
index 0000000000..e59e0e40ea
--- /dev/null
+++ b/files/ebuilds/quantum
@@ -0,0 +1,27 @@
+# Note: we need to package dhcp_release in dnsmasq!
+net-dns/dnsmasq
+net-firewall/ebtables
+net-firewall/iptables
+net-misc/iputils
+dev-db/mysql
+dev-python/boto
+dev-python/eventlet
+dev-python/greenlet
+dev-python/iso8601
+dev-python/kombu
+dev-python/mysql-python
+dev-python/netaddr
+dev-python/paste
+dev-python/pastedeploy
+dev-python/pyudev
+dev-python/routes
+dev-python/sqlalchemy
+dev-python/suds
+net-misc/rabbitmq-server
+dev-db/sqlite
+app-admin/sudo
+vlan # NOPRIME
+
+# FIXME: qpid is not part of gentoo, those names are tentative
+dev-python/qpid # NOPRIME
+qpidd # NOPRIME
diff --git a/files/ebuilds/ryu b/files/ebuilds/ryu
new file mode 100644
index 0000000000..3fa48873c5
--- /dev/null
+++ b/files/ebuilds/ryu
@@ -0,0 +1,5 @@
+dev-python/setuptools
+dev-python/sphinx
+dev-python/gevent
+dev-python/netifaces
+dev-python/python-gflags
diff --git a/files/ebuilds/swift b/files/ebuilds/swift
new file mode 100644
index 0000000000..c63fecaa6a
--- /dev/null
+++ b/files/ebuilds/swift
@@ -0,0 +1,17 @@
+net-misc/curl
+sys-devel/gcc
+net-misc/memcached
+dev-python/pastedeploy
+dev-python/webob
+dev-python/configobj
+dev-python/coverage
+dev-python/setuptools # instead of python-distribute; dist:sle11sp2
+dev-python/eventlet
+dev-python/greenlet
+dev-python/netifaces
+dev-python/nose
+dev-python/simplejson
+dev-python/pyxattr
+dev-db/sqlite
+sys-fs/xfsprogs
+sys-apps/xinetd
diff --git a/files/ebuilds/sysstat b/files/ebuilds/sysstat
new file mode 100644
index 0000000000..09822f213d
--- /dev/null
+++ b/files/ebuilds/sysstat
@@ -0,0 +1 @@
+app-admin/sysstat
diff --git a/files/gentoo_package.use b/files/gentoo_package.use
new file mode 100644
index 0000000000..deec46489e
--- /dev/null
+++ b/files/gentoo_package.use
@@ -0,0 +1,5 @@
+# devstack addition
+app-emulation/libvirt     python
+dev-libs/libxml2          python
+dev-lang/python           sqlite
+app-emulation/libvirt     qemu virt-network
diff --git a/functions b/functions
index dfde7dc551..549070c463 100644
--- a/functions
+++ b/functions
@@ -194,6 +194,8 @@ function _get_package_dir() {
         pkg_dir=$FILES/rpms
     elif is_suse; then
         pkg_dir=$FILES/rpms-suse
+    elif is_gentoo; then
+        pkg_dir=$FILES/ebuilds
     else
         exit_distro_not_supported "list of packages"
     fi
@@ -266,9 +268,8 @@ function get_packages() {
             fi
         fi
     done
-
     for file in ${file_to_parse}; do
-        local fname=${package_dir}/${file}
+        local fname="${package_dir}/${file}"
         local OIFS line package distros distro
         [[ -e $fname ]] || continue
 
@@ -386,6 +387,13 @@ GetOSVersion() {
         os_PACKAGE="deb"
         os_CODENAME=$(awk '/VERSION=/' /etc/os-release | sed 's/VERSION=//' | sed -r 's/\"|\(|\)//g' | awk '{print $2}')
         os_RELEASE=$(awk '/VERSION_ID=/' /etc/os-release | sed 's/VERSION_ID=//' | sed 's/\"//g')
+    elif [[ -r /etc/gentoo-release ]]; then
+        os_VENDOR=`cat /etc/gentoo-release | cut -d ' ' -f 1`
+        os_RELEASE=`cat /etc/gentoo-release | cut -d ' ' -f 5`
+        os_CODENAME="$os_VENDOR $os_RELEASE" #gentoo does not use a code name
+        os_UPDATE=`emerge --version | cut -d ' ' -f 2` #portage version
+        os_PACKAGE="ebuild"
+
     fi
     export os_VENDOR os_RELEASE os_UPDATE os_PACKAGE os_CODENAME
 }
@@ -449,6 +457,8 @@ function GetDistro() {
     elif [[ "$os_VENDOR" =~ (Red Hat) || "$os_VENDOR" =~ (CentOS) ]]; then
         # Drop the . release as we assume it's compatible
         DISTRO="rhel${os_RELEASE::1}"
+    elif [[ "$os_VENDOR" =~ (Gentoo) ]]; then
+        DISTRO="gentoo-${os_RELEASE}"
     else
         # Catch-all for now is Vendor + Release + Update
         DISTRO="$os_VENDOR-$os_RELEASE.$os_UPDATE"
@@ -490,6 +500,16 @@ function is_suse {
     [ "$os_VENDOR" = "openSUSE" ] || [ "$os_VENDOR" = "SUSE LINUX" ]
 }
 
+# Determine if current distribution is an Gentoo-based distribution.
+# is_gentoo
+function is_gentoo {
+    if [[ -z "$os_PACKAGE" ]]; then
+        GetOSVersion
+    fi
+
+    [ "$os_PACKAGE" = "ebuild" ]
+}
+
 
 # Exit after outputting a message about the distribution not being supported.
 # exit_distro_not_supported [optional-string-telling-what-is-missing]
@@ -824,6 +844,8 @@ function install_package() {
         yum_install "$@"
     elif is_suse; then
         zypper_install "$@"
+    elif is_gentoo; then
+        emerge_install "$@"
     else
         exit_distro_not_supported "installing packages"
     fi
@@ -839,6 +861,8 @@ function uninstall_package() {
         sudo yum remove -y "$@"
     elif is_suse; then
         sudo rpm -e "$@"
+    elif is_gentoo; then
+        sudo emerge -C "$@"
     else
         exit_distro_not_supported "uninstalling packages"
     fi
@@ -860,6 +884,8 @@ function is_package_installed() {
         dpkg -l "$@" > /dev/null
     elif [[ "$os_PACKAGE" = "rpm" ]]; then
         rpm --quiet -q "$@"
+    elif [[ "$os_PACKAGE" = "ebuild" ]]; then
+    	cat /var/db/pkg/*/$@*/PF
     else
         exit_distro_not_supported "finding if a package is installed"
     fi
@@ -916,6 +942,8 @@ function pip_install {
 function restart_service() {
     if is_ubuntu; then
         sudo /usr/sbin/service $1 restart
+    elsif is_gentoo
+        sudo /etc/init.d/$1 restart
     else
         sudo /sbin/service $1 restart
     fi
@@ -1103,6 +1131,8 @@ function start_service() {
 function stop_service() {
     if is_ubuntu; then
         sudo /usr/sbin/service $1 stop
+    elif is_gentoo; then
+        sudo /etc/init.d/$1 stop
     else
         sudo /sbin/service $1 stop
     fi
@@ -1295,6 +1325,18 @@ function yum_install() {
         yum install -y "$@"
 }
 
+# Wrapper for ``emerge`` to set proxy environment variables
+# emerge_install package [package ...]
+function emerge_install() {
+    local sudo="sudo"
+    [[ "$(id -u)" = "0" ]] && sudo="env"
+    $sudo http_proxy=$http_proxy https_proxy=$https_proxy \
+        no_proxy=$no_proxy \
+        emerge "$@"
+}
+
+
+
 # ping check
 # Uses globals ``ENABLED_SERVICES``
 function ping_check() {
diff --git a/lib/cinder b/lib/cinder
index 6636397e18..97481675ad 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -421,7 +421,7 @@ function start_cinder() {
         elif is_fedora; then
             # bypass redirection to systemctl during restart
             sudo /sbin/service --skip-redirect tgtd restart
-        elif is_suse; then
+        elif is_suse || is_gentoo; then
             restart_service tgtd
         else
             # note for other distros: unstack.sh also uses the tgt/tgtd service
diff --git a/lib/databases/mysql b/lib/databases/mysql
index 211d797d2b..bdd8845f8e 100644
--- a/lib/databases/mysql
+++ b/lib/databases/mysql
@@ -25,7 +25,7 @@ function cleanup_database_mysql {
         return
     elif is_fedora; then
         MYSQL=mysqld
-    elif is_suse; then
+    elif is_suse || is_gentoo; then
         MYSQL=mysql
     else
         return
@@ -43,7 +43,7 @@ function recreate_database_mysql {
 function configure_database_mysql {
     echo_summary "Configuring and starting MySQL"
 
-    if is_ubuntu; then
+    if is_ubuntu || is_gentoo; then
         MY_CONF=/etc/mysql/my.cnf
         MYSQL=mysql
     elif is_fedora; then
@@ -132,6 +132,8 @@ EOF
         install_package mysql-server
     elif is_suse; then
         install_package mysql-community-server
+    elif is_gentoo; then
+        install_package dev-db/mysql
     else
         exit_distro_not_supported "mysql installation"
     fi
diff --git a/lib/databases/postgresql b/lib/databases/postgresql
index b173772170..1c9a1dc3b3 100644
--- a/lib/databases/postgresql
+++ b/lib/databases/postgresql
@@ -22,7 +22,7 @@ function cleanup_database_postgresql {
         # Get ruthless with mysql
         sudo aptitude purge -y  ~npostgresql
         return
-    elif is_fedora; then
+    elif is_fedora || is_gentoo; then
         uninstall_package postgresql-server
     else
         return
@@ -52,6 +52,8 @@ function configure_database_postgresql {
         PG_CONF=/var/lib/pgsql/data/postgresql.conf
         # initdb is called when postgresql is first started
         sudo [ -e $PG_HBA ] || start_service postgresql
+    elif is_gentoo; then
+    	emerge --config dev-db/postgresql-server
     else
         exit_distro_not_supported "postgresql configuration"
     fi
@@ -81,7 +83,7 @@ EOF
     fi
     if is_ubuntu; then
         install_package postgresql
-    elif is_fedora || is_suse; then
+    elif is_fedora || is_suse || is_gentoo; then
         install_package postgresql-server
     else
         exit_distro_not_supported "postgresql installation"
diff --git a/lib/quantum_plugins/ovs_base b/lib/quantum_plugins/ovs_base
index a5e03acd51..d103df6f18 100644
--- a/lib/quantum_plugins/ovs_base
+++ b/lib/quantum_plugins/ovs_base
@@ -39,7 +39,7 @@ function _quantum_ovs_base_install_agent_packages() {
     if is_ubuntu; then
         kernel_version=`cat /proc/version | cut -d " " -f3`
         install_package make fakeroot dkms openvswitch-switch openvswitch-datapath-dkms linux-headers-$kernel_version
-    elif is_fedora; then
+    elif is_fedora || is_gentoo ; then
         install_package openvswitch
         # Ensure that the service is started
         restart_service openvswitch
diff --git a/lib/rpc_backend b/lib/rpc_backend
index 4b04053bac..f94df0ed72 100644
--- a/lib/rpc_backend
+++ b/lib/rpc_backend
@@ -128,6 +128,8 @@ function install_rpc_backend() {
             install_package libzmq1 python-zmq redis-server
         elif is_suse; then
             install_package libzmq1 python-pyzmq redis
+        elif is_gentoo; then
+            install_package zeromq pyzmq redis
         else
             exit_distro_not_supported "zeromq installation"
         fi
@@ -193,7 +195,7 @@ function qpid_is_supported() {
 
     # Qpid was introduced to Ubuntu in precise, disallow it on oneiric; it is
     # not in openSUSE either right now.
-    ( ! ([[ "$DISTRO" = "oneiric" ]] || is_suse) )
+    ( ! ([[ "$DISTRO" = "oneiric" ]] || is_suse || is_gentoo) )
 }
 
 
diff --git a/stack.sh b/stack.sh
index 1e61a3f19a..c7deb156d5 100755
--- a/stack.sh
+++ b/stack.sh
@@ -142,7 +142,7 @@ disable_negated_services
 
 # Warn users who aren't on an explicitly supported distro, but allow them to
 # override check and attempt installation with ``FORCE=yes ./stack``
-if [[ ! ${DISTRO} =~ (oneiric|precise|quantal|raring|saucy|7.0|wheezy|sid|testing|jessie|f16|f17|f18|opensuse-12.2|rhel6) ]]; then
+if [[ ! ${DISTRO} =~ (oneiric|precise|quantal|raring|saucy|7.0|wheezy|sid|testing|jessie|f16|f17|f18|opensuse-12.2|rhel6|gentoo-1.12.14|gentoo-2.2) ]]; then
     echo "WARNING: this script has not been tested on $DISTRO"
     if [[ "$FORCE" != "yes" ]]; then
         die $LINENO "If you wish to run this script anyway run with FORCE=yes"
@@ -652,7 +652,11 @@ TRACK_DEPENDS=${TRACK_DEPENDS:-False}
 # Install python packages into a virtualenv so that we can track them
 if [[ $TRACK_DEPENDS = True ]]; then
     echo_summary "Installing Python packages into a virtualenv $DEST/.venv"
-    install_package python-virtualenv
+    if is_gentoo; then
+        install_package virtualenv
+    else
+        install_package python-virtualenv
+    fi
 
     rm -rf $DEST/.venv
     virtualenv --system-site-packages $DEST/.venv
@@ -708,7 +712,9 @@ if is_service_enabled g-api n-api; then
     configure_glance
 fi
 
+echo "CHECANDO CINDER"
 if is_service_enabled cinder; then
+    echo "INSTALANDO CINDER"
     install_cinder
     configure_cinder
 fi
diff --git a/tools/info.sh b/tools/info.sh
index 14ab8f6306..283a76b60f 100755
--- a/tools/info.sh
+++ b/tools/info.sh
@@ -93,6 +93,8 @@ for p in $(get_packages $ENABLED_SERVICES); do
         ver=$(dpkg -s $p 2>/dev/null | grep '^Version: ' | cut -d' ' -f2)
     elif [[ "$os_PACKAGE" = "rpm" ]]; then
         ver=$(rpm -q --queryformat "%{VERSION}-%{RELEASE}\n" $p)
+    elif [[ "$os_PACKAGE" = "ebuild" ]]; then
+    	ver=$(cat /var/db/pkg/*/$p*/PF | cut -d'-' -f 2)
     else
         exit_distro_not_supported "finding version of a package"
     fi
diff --git a/tools/install_prereqs.sh b/tools/install_prereqs.sh
index 68f11ce35e..0203e5aa23 100755
--- a/tools/install_prereqs.sh
+++ b/tools/install_prereqs.sh
@@ -50,11 +50,20 @@ fi
 # Make sure the proxy config is visible to sub-processes
 export_proxy_variables
 
+#Add gentoo use flags
+if is_gentoo; then
+    TEST_DEVSTACK=$(grep devstack /etc/portage/package.use || echo "0")
+    if [[ ! "$TEST_DEVSTACK" =~ "devstack" ]]; then
+    	echo "Setting gentoo use flags $FILES/gentoo_package.use"
+        cat $FILES/gentoo_package.use >> /etc/portage/package.use
+    fi
+fi
 
 # Install Packages
 # ================
 
 # Install package requirements
+testvar=$(get_packages $ENABLED_SERVICES)
 install_package $(get_packages $ENABLED_SERVICES)
 
 if [[ -n "$SYSLOG" && "$SYSLOG" != "False" ]]; then