Adding nodepool compatibility with Fedora.

This patch will check if the distro is Fedora or Red Hat,
if so, it will execute yum to install package requirements,
otherwise, it will run the default apt-get.

Change-Id: Ife8b214dd3b4cb12cf11c1da673b834b6180f9e7

modules/openstack_project/files/nodepool/scripts/prepare_devstack.sh

@@ -18,10 +18,18 @@
 
 mkdir -p ~/cache/files
 mkdir -p ~/cache/pip
-sudo DEBIAN_FRONTEND=noninteractive apt-get \
-  --option "Dpkg::Options::=--force-confold" \
-  --assume-yes install build-essential python-dev \
-  linux-headers-virtual linux-headers-`uname -r`
+
+if [ -f /usr/bin/yum ]; then
+    sudo yum -y install python-devel make automake gcc gcc-c++ kernel-devel redhat-lsb-core
+elif [ -f /usr/bin/apt-get ]; then
+    sudo DEBIAN_FRONTEND=noninteractive apt-get \
+      --option "Dpkg::Options::=--force-confold" \
+      --assume-yes install build-essential python-dev \
+      linux-headers-virtual linux-headers-`uname -r`
+else
+    echo "Unsupported distro."
+    exit 1
+fi
 
 rm -rf ~/workspace-cache
 mkdir -p ~/workspace-cache
@@ -59,7 +67,8 @@ git clone https://review.openstack.org/p/openstack/tempest
 git clone https://review.openstack.org/p/stackforge/pecan
 git clone https://review.openstack.org/p/stackforge/wsme
 
-. /etc/lsb-release
+DISTRIB_CODENAME=`lsb_release -sc`
+
 cd /opt/nodepool-scripts/
 python ./devstack-cache.py $DISTRIB_CODENAME