@@ -364,10 +364,65 @@ fi

 #

 # Openstack uses a fair number of other projects.

+# - We are going to install packages only for the services needed.

+# - We are parsing the packages files and detecting metadatas.

+#  - If there is a NOPRIME as comment mean we are not doing the install

+#    just yet.

+#  - If we have the meta-keyword distro:DISTRO or

+#    distro:DISTRO1,DISTRO2 it will be installed only for those

+#    distros (case insensitive).

+function get_packages() {

+    local file_to_parse="general"

+    local service

+    

+    for service in ${ENABLED_SERVICES//,/ }; do

+        if [[ $service == n-* ]]; then

+            if [[ ! $file_to_parse =~ nova ]];then

+                file_to_parse="${file_to_parse} nova"

+            fi

+        elif [[ $service == g-* ]];then

+            if [[ ! $file_to_parse =~ glance ]];then

+                file_to_parse="${file_to_parse} glance"

+            fi

+        elif [[ $service == key* ]];then

+            if [[ ! $file_to_parse =~ keystone ]];then

+                file_to_parse="${file_to_parse} keystone"

+            fi

+        elif [[ -e $FILES/apts/${service} ]];then

+            file_to_parse="${file_to_parse} $service"

+        fi

+    done

+

+    for file in ${file_to_parse};do

+        local fname=${FILES}/apts/${file}

+        local OIFS line package distros distro

+        [[ -e $fname ]] || { echo "missing: $fname"; exit 1 ;}

+

+        OIFS=$IFS

+        IFS=$'\n'

+        for line in $(cat ${fname});do

+            if [[ $line =~ "NOPRIME" ]];then

+                continue

+            fi

+

+            if [[ $line =~ (.*)#.*dist:([^ ]*) ]];then # We are using BASH regexp matching feature.

+                        package=${BASH_REMATCH[1]}

+                        distros=${BASH_REMATCH[2]}

+                        for distro in ${distros//,/ };do  #In bash ${VAR,,} will lowecase VAR

+                            [[ ${distro,,} == ${DISTRO,,} ]] && echo $package

+                        done

+                        continue

+            fi

+

+            echo ${line%#*}

+        done

+        IFS=$OIFS

+    done

+}

 # install apt requirements

 apt_get update

-apt_get install `cat $FILES/apts/* | cut -d\# -f1 | grep -Ev "mysql-server|rabbitmq-server|memcached"`

+apt_get install $(get_packages)

 # install python requirements

 sudo PIP_DOWNLOAD_CACHE=/var/cache/pip pip install `cat $FILES/pips/*`