initial support for volumes

stack.sh

@@ -127,7 +127,7 @@ OPENSTACKX_DIR=$DEST/openstackx
 NOVNC_DIR=$DEST/noVNC
 
 # Specify which services to launch.  These generally correspond to screen tabs
-ENABLED_SERVICES=${ENABLED_SERVICES:-g-api,g-reg,key,n-api,n-cpu,n-net,n-sch,n-vnc,dash,mysql,rabbit}
+ENABLED_SERVICES=${ENABLED_SERVICES:-g-api,g-reg,key,n-api,n-cpu,n-net,n-sch,n-vnc,dash,mysql,rabbit,n-vol}
 
 # Nova hypervisor configuration.  We default to **kvm** but will drop back to
 # **qemu** if we are unable to load the kvm module.  Stack.sh can also install
@@ -534,6 +534,31 @@ if [[ "$ENABLED_SERVICES" =~ "n-net" ]]; then
     mkdir -p $NOVA_DIR/networks
 fi
 
+# Volume Service
+# --------------
+
+if [[ "$ENABLED_SERVICES" =~ "n-vol" ]]; then
+    #
+    # Configure a default volume group called 'nova-volumes' for the nova-volume
+    # service if it does not yet exist.  If you don't wish to use a file backed
+    # volume group, create your own volume group called 'nova-volumes' before
+    # invoking stack.sh.
+    #
+    # By default, the backing file is 2G in size, and is stored in /opt/stack.
+    #
+    VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-/opt/stack/nova-volumes-backing-file}
+    VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-2052M}
+    if ! sudo vgdisplay | grep -q nova-volumes; then
+        truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
+        DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`
+        sudo vgcreate nova-volumes $DEV
+    fi
+
+    # Configure iscsitarget
+    sudo sed 's/ISCSITARGET_ENABLE=false/ISCSITARGET_ENABLE=true/' -i /etc/default/iscsitarget
+    sudo /etc/init.d/iscsitarget restart
+fi
+
 function add_nova_flag {
     echo "$1" >> $NOVA_DIR/bin/nova.conf
 }
@@ -671,6 +696,7 @@ fi
 # within the context of our original shell (so our groups won't be updated).
 # Use 'sg' to execute nova-compute as a member of the libvirtd group.
 screen_it n-cpu "cd $NOVA_DIR && sg libvirtd $NOVA_DIR/bin/nova-compute"
+screen_it n-vol "cd $NOVA_DIR && $NOVA_DIR/bin/nova-volume"
 screen_it n-net "cd $NOVA_DIR && $NOVA_DIR/bin/nova-network"
 screen_it n-sch "cd $NOVA_DIR && $NOVA_DIR/bin/nova-scheduler"
 screen_it n-vnc "cd $NOVNC_DIR && ./utils/nova-wsproxy.py 6080 --web . --flagfile=../nova/bin/nova.conf"

tools/build_lxc.sh

@@ -38,7 +38,8 @@ DEST=${DEST:-/opt/stack}
 WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-1}
 
 # Param string to pass to stack.sh.  Like "EC2_DMZ_HOST=192.168.1.1 MYSQL_USER=nova"
-STACKSH_PARAMS=${STACKSH_PARAMS:-}
+# By default, n-vol is disabled for lxc
+STACKSH_PARAMS=${STACKSH_PARAMS:-"ENABLED_SERVICES=g-api,g-reg,key,n-api,n-cpu,n-net,n-sch,n-vnc,dash,mysql,rabbit"}
 
 # Option to use the version of devstack on which we are currently working
 USE_CURRENT_DEVSTACK=${USE_CURRENT_DEVSTACK:-1}