Merge "Move nova volumes to lib/n-vol"
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lib/n-vol
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118
lib/n-vol
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# lib/n-vol
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# Install and start Nova volume service
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# Dependencies:
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# - functions
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# - KEYSTONE_AUTH_* must be defined
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# SERVICE_{TENANT_NAME|PASSWORD} must be defined
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# stack.sh
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# ---------
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# install_nvol
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# configure_nvol
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# init_nvol
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# start_nvol
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# stop_nvol
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# cleanup_nvol
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# Print the commands being run so that we can see the command that triggers
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# an error. It is also useful for following along as the install occurs.
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set -o xtrace
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# Defaults
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# --------
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# Name of the LVM volume group to use/create for iscsi volumes
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VOLUME_GROUP=${VOLUME_GROUP:-stack-volumes}
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VOLUME_NAME_PREFIX=${VOLUME_NAME_PREFIX:-volume-}
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# cleanup_nvol() - Remove residual data files, anything left over from previous
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# runs that a clean run would need to clean up
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function cleanup_nvol() {
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# kill instances (nova)
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# delete image files (glance)
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# This function intentionally left blank
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:
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}
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# configure_nvol() - Set config files, create data dirs, etc
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function configure_nvol() {
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# sudo python setup.py deploy
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# iniset $XXX_CONF ...
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# This function intentionally left blank
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:
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}
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# init_nvol() - Initialize databases, etc.
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function init_nvol() {
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# Configure a default volume group called '`stack-volumes`' for the volume
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# service if it does not yet exist. If you don't wish to use a file backed
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# volume group, create your own volume group called ``stack-volumes`` before
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# invoking ``stack.sh``.
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#
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# By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
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if ! sudo vgs $VOLUME_GROUP; then
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VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
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# Only create if the file doesn't already exists
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[[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
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DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`
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# Only create if the loopback device doesn't contain $VOLUME_GROUP
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if ! sudo vgs $VOLUME_GROUP; then sudo vgcreate $VOLUME_GROUP $DEV; fi
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fi
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mkdir -p $NOVA_DIR/volumes
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if sudo vgs $VOLUME_GROUP; then
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if [[ "$os_PACKAGE" = "rpm" ]]; then
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# RPM doesn't start the service
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start_service tgtd
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fi
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# Remove nova iscsi targets
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sudo tgtadm --op show --mode target | grep $VOLUME_NAME_PREFIX | grep Target | cut -f3 -d ' ' | sudo xargs -n1 tgt-admin --delete || true
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# Clean out existing volumes
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for lv in `sudo lvs --noheadings -o lv_name $VOLUME_GROUP`; do
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# ``VOLUME_NAME_PREFIX`` prefixes the LVs we want
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if [[ "${lv#$VOLUME_NAME_PREFIX}" != "$lv" ]]; then
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sudo lvremove -f $VOLUME_GROUP/$lv
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fi
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done
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fi
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}
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# install_nvol() - Collect source and prepare
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function install_nvol() {
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# git clone xxx
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# Install is handled when installing Nova
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:
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}
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# start_nvol() - Start running processes, including screen
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function start_nvol() {
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# Setup the tgt configuration file
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if [[ ! -f /etc/tgt/conf.d/nova.conf ]]; then
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sudo mkdir -p /etc/tgt/conf.d
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echo "include $NOVA_DIR/volumes/*" | sudo tee /etc/tgt/conf.d/nova.conf
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fi
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if [[ "$os_PACKAGE" = "deb" ]]; then
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# tgt in oneiric doesn't restart properly if tgtd isn't running
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# do it in two steps
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sudo stop tgt || true
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sudo start tgt
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else
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restart_service tgtd
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fi
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screen_it n-vol "cd $NOVA_DIR && $NOVA_DIR/bin/nova-volume"
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}
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# stop_nvol() - Stop running processes (non-screen)
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function stop_nvol() {
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# FIXME(dtroyer): stop only the n-vol screen window?
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stop_service tgt
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}
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57
stack.sh
57
stack.sh
@ -267,6 +267,7 @@ sudo chown `whoami` $DATA_DIR
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# Get project function libraries
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source $TOP_DIR/lib/cinder
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source $TOP_DIR/lib/n-vol
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source $TOP_DIR/lib/ceilometer
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source $TOP_DIR/lib/heat
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@ -1743,57 +1744,7 @@ fi
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if is_service_enabled cinder; then
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init_cinder
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elif is_service_enabled n-vol; then
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# Configure a default volume group called '`stack-volumes`' for the volume
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# service if it does not yet exist. If you don't wish to use a file backed
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# volume group, create your own volume group called ``stack-volumes`` before
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# invoking ``stack.sh``.
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#
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# By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
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if ! sudo vgs $VOLUME_GROUP; then
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VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
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# Only create if the file doesn't already exists
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[[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
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DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`
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# Only create if the loopback device doesn't contain $VOLUME_GROUP
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if ! sudo vgs $VOLUME_GROUP; then sudo vgcreate $VOLUME_GROUP $DEV; fi
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fi
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if sudo vgs $VOLUME_GROUP; then
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if [[ "$os_PACKAGE" = "rpm" ]]; then
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# RPM doesn't start the service
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start_service tgtd
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fi
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# Setup tgtd configuration files
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mkdir -p $NOVA_DIR/volumes
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# Remove nova iscsi targets
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sudo tgtadm --op show --mode target | grep $VOLUME_NAME_PREFIX | grep Target | cut -f3 -d ' ' | sudo xargs -n1 tgt-admin --delete || true
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# Clean out existing volumes
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for lv in `sudo lvs --noheadings -o lv_name $VOLUME_GROUP`; do
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# ``VOLUME_NAME_PREFIX`` prefixes the LVs we want
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if [[ "${lv#$VOLUME_NAME_PREFIX}" != "$lv" ]]; then
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sudo lvremove -f $VOLUME_GROUP/$lv
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fi
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done
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fi
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if [[ "$os_PACKAGE" = "deb" ]]; then
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# Setup the tgt configuration file
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if [[ ! -f /etc/tgt/conf.d/nova.conf ]]; then
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sudo mkdir -p /etc/tgt/conf.d
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echo "include $NOVA_DIR/volumes/*" | sudo tee /etc/tgt/conf.d/nova.conf
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fi
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# tgt in oneiric doesn't restart properly if tgtd isn't running
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# do it in two steps
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sudo stop tgt || true
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sudo start tgt
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else
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restart_service tgtd
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fi
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init_nvol
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fi
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# Support entry points installation of console scripts
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@ -2169,12 +2120,14 @@ fi
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# ``screen_it`` checks ``is_service_enabled``, it is not needed here
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screen_it n-cpu "cd $NOVA_DIR && sg libvirtd $NOVA_BIN_DIR/nova-compute"
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screen_it n-crt "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cert"
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screen_it n-vol "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-volume"
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screen_it n-net "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-network"
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screen_it n-sch "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-scheduler"
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screen_it n-novnc "cd $NOVNC_DIR && ./utils/nova-novncproxy --config-file $NOVA_CONF_DIR/$NOVA_CONF --web ."
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screen_it n-xvnc "cd $NOVA_DIR && ./bin/nova-xvpvncproxy --config-file $NOVA_CONF_DIR/$NOVA_CONF"
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screen_it n-cauth "cd $NOVA_DIR && ./bin/nova-consoleauth"
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if is_service_enabled n-vol; then
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start_nvol
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fi
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if is_service_enabled cinder; then
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start_cinder
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fi
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