Fix reboot on fedora like nodes

This change enables httpd in systemd so that it
starts after a reboot and updates how selinux is
disabled to use /etc/selinux/config in addtion
to setenforce.

Change-Id: I5ea8693c0b967937483bd921b1d9984ea14bc723

lib/apache

@@ -150,6 +150,8 @@ function install_apache_wsgi {
     elif is_fedora; then
         sudo rm -f /etc/httpd/conf.d/000-*
         install_package httpd python3-mod_wsgi
+        # rpm distros dont enable httpd by default so enable it to support reboots.
+        sudo systemctl enable httpd
         # For consistency with Ubuntu, switch to the worker mpm, as
         # the default is event
         sudo sed -i '/mod_mpm_prefork.so/s/^/#/g' /etc/httpd/conf.modules.d/00-mpm.conf

tools/fixup_stuff.sh

@@ -36,6 +36,12 @@ function fixup_fedora {
     # Disable selinux to avoid configuring to allow Apache access
     # to Horizon files (LP#1175444)
     if selinuxenabled; then
+        #persit selinux config across reboots
+        cat << EOF | sudo tee /etc/selinux/config
+SELINUX=permissive
+SELINUXTYPE=targeted
+EOF
+        # then disable at runtime
         sudo setenforce 0
     fi