diff --git a/lib/cinder b/lib/cinder
index fd5f8cf..4d1ab42 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -254,37 +254,55 @@
     fi
 }
 
+# create_cinder_cache_dir() - Part of the init_cinder() process
+function create_cinder_cache_dir() {
+    # Create cache dir
+    sudo mkdir -p $CINDER_AUTH_CACHE_DIR
+    sudo chown $STACK_USER $CINDER_AUTH_CACHE_DIR
+    rm -f $CINDER_AUTH_CACHE_DIR/*
+}
+
+create_cinder_volume_group() {
+    # Configure a default volume group called '`stack-volumes`' for the volume
+    # service if it does not yet exist.  If you don't wish to use a file backed
+    # volume group, create your own volume group called ``stack-volumes`` before
+    # invoking ``stack.sh``.
+    #
+    # By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
+
+    if ! sudo vgs $VOLUME_GROUP; then
+        VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
+
+        # Only create if the file doesn't already exists
+        [[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
+
+        DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`
+
+        # Only create if the loopback device doesn't contain $VOLUME_GROUP
+        if ! sudo vgs $VOLUME_GROUP; then
+            sudo vgcreate $VOLUME_GROUP $DEV
+        fi
+    fi
+
+    mkdir -p $CINDER_STATE_PATH/volumes
+}
+
 # init_cinder() - Initialize database and volume group
 function init_cinder() {
     # Force nova volumes off
     NOVA_ENABLED_APIS=$(echo $NOVA_ENABLED_APIS | sed "s/osapi_volume,//")
 
     if is_service_enabled $DATABASE_BACKENDS; then
-        # (re)create cinder database
+        # (Re)create cinder database
         recreate_database cinder utf8
 
-        # (re)create cinder database
+        # Migrate cinder database
         $CINDER_BIN_DIR/cinder-manage db sync
     fi
 
     if is_service_enabled c-vol; then
-        # Configure a default volume group called '`stack-volumes`' for the volume
-        # service if it does not yet exist.  If you don't wish to use a file backed
-        # volume group, create your own volume group called ``stack-volumes`` before
-        # invoking ``stack.sh``.
-        #
-        # By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
 
-        if ! sudo vgs $VOLUME_GROUP; then
-            VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
-            # Only create if the file doesn't already exists
-            [[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
-            DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`
-            # Only create if the loopback device doesn't contain $VOLUME_GROUP
-            if ! sudo vgs $VOLUME_GROUP; then sudo vgcreate $VOLUME_GROUP $DEV; fi
-        fi
-
-        mkdir -p $CINDER_STATE_PATH/volumes
+        create_cinder_volume_group
 
         if sudo vgs $VOLUME_GROUP; then
             if is_fedora || is_suse; then
@@ -299,10 +317,7 @@
         fi
     fi
 
-    # Create cache dir
-    sudo mkdir -p $CINDER_AUTH_CACHE_DIR
-    sudo chown $STACK_USER $CINDER_AUTH_CACHE_DIR
-    rm -f $CINDER_AUTH_CACHE_DIR/*
+    create_cinder_cache_dir
 }
 
 # install_cinder() - Collect source and prepare
diff --git a/lib/glance b/lib/glance
index 5d48129..80d3902 100644
--- a/lib/glance
+++ b/lib/glance
@@ -141,6 +141,17 @@
     cp -p $GLANCE_DIR/etc/policy.json $GLANCE_POLICY_JSON
 }
 
+# create_glance_cache_dir() - Part of the init_glance() process
+function create_glance_cache_dir() {
+    # Create cache dir
+    sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/api
+    sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/api
+    rm -f $GLANCE_AUTH_CACHE_DIR/api/*
+    sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/registry
+    sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/registry
+    rm -f $GLANCE_AUTH_CACHE_DIR/registry/*
+}
+
 # init_glance() - Initialize databases, etc.
 function init_glance() {
     # Delete existing images
@@ -151,18 +162,13 @@
     rm -rf $GLANCE_CACHE_DIR
     mkdir -p $GLANCE_CACHE_DIR
 
-    # (re)create glance database
+    # (Re)create glance database
     recreate_database glance utf8
 
+    # Migrate glance database
     $GLANCE_BIN_DIR/glance-manage db_sync
 
-    # Create cache dir
-    sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/api
-    sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/api
-    rm -f $GLANCE_AUTH_CACHE_DIR/api/*
-    sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/registry
-    sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/registry
-    rm -f $GLANCE_AUTH_CACHE_DIR/registry/*
+    create_glance_cache_dir
 }
 
 # install_glanceclient() - Collect source and prepare
diff --git a/lib/nova b/lib/nova
index 1681af7..e359719 100644
--- a/lib/nova
+++ b/lib/nova
@@ -453,6 +453,14 @@
     done
 }
 
+# create_nova_cache_dir() - Part of the init_nova() process
+function create_nova_cache_dir() {
+    # Create cache dir
+    sudo mkdir -p $NOVA_AUTH_CACHE_DIR
+    sudo chown $STACK_USER $NOVA_AUTH_CACHE_DIR
+    rm -f $NOVA_AUTH_CACHE_DIR/*
+}
+
 function create_nova_conf_nova_network() {
     iniset $NOVA_CONF DEFAULT network_manager "nova.network.manager.$NET_MAN"
     iniset $NOVA_CONF DEFAULT public_interface "$PUBLIC_INTERFACE"
@@ -463,14 +471,17 @@
     fi
 }
 
+# create_nova_keys_dir() - Part of the init_nova() process
+function create_nova_keys_dir() {
+    # Create keys dir
+    sudo mkdir -p ${NOVA_STATE_PATH}/keys
+    sudo chown -R $STACK_USER ${NOVA_STATE_PATH}
+}
+
 # init_nova() - Initialize databases, etc.
 function init_nova() {
-    # Nova Database
-    # -------------
-
-    # All nova components talk to a central database.  We will need to do this step
-    # only once for an entire cluster.
-
+    # All nova components talk to a central database.
+    # Only do this step once on the API node for an entire cluster.
     if is_service_enabled $DATABASE_BACKENDS && is_service_enabled n-api; then
         # (Re)create nova database
         # Explicitly use latin1: to avoid lp#829209, nova expects the database to
@@ -478,7 +489,7 @@
         # 082_essex.py in nova)
         recreate_database nova latin1
 
-        # (Re)create nova database
+        # Migrate nova database
         $NOVA_BIN_DIR/nova-manage db sync
 
         # (Re)create nova baremetal database
@@ -488,15 +499,8 @@
         fi
     fi
 
-    # Create cache dir
-    sudo mkdir -p $NOVA_AUTH_CACHE_DIR
-    sudo chown $STACK_USER $NOVA_AUTH_CACHE_DIR
-    rm -f $NOVA_AUTH_CACHE_DIR/*
-
-    # Create the keys folder
-    sudo mkdir -p ${NOVA_STATE_PATH}/keys
-    # make sure we own NOVA_STATE_PATH and all subdirs
-    sudo chown -R $STACK_USER ${NOVA_STATE_PATH}
+    create_nova_cache_dir
+    create_nova_keys_dir
 }
 
 # install_novaclient() - Collect source and prepare