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devstack-plugin-glusterfs
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Configure Manila with glusterfs.py share driver 

This patch configures Manila with glusterfs.py share driver.

Change-Id: I53c51dd213bd64c35fec54c45db92d22139d0e0e
This commit is contained in:
Bharat Kumar Kobagana 2015-08-15 16:46:02 +05:30
parent b3c21638ac
commit f0ce598c9b
2 changed files with 71 additions and 5 deletions
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70
devstack/gluster-functions.sh
View File

@ -193,13 +193,73 @@ function configure_nova_backend_glusterfs {
_mount_gluster_volume $NOVA_INSTANCES_PATH $NOVA_GLUSTERFS_SHARE
}
# Configure GlusterFS-NFS as backend for Manila
function _configure_manila_glusterfs_nfs {
#TODO(BharatK): Add script to configure GlusterFS-NFS as a backend for Manila.
echo "Need to add script to configure GlusterFS-NFS as a backend for Manila."
# Create Manila GlusterFS Volume
function _create_thin_lv_pool {
# Create a Volume Group
init_lvm_volume_group $GLUSTERFS_VG_NAME 20G
# Create a think pool
sudo lvcreate -l 5110 -T $GLUSTERFS_VG_NAME/$GLUSTERFS_THIN_POOL_NAME
}
# Configure GlusterFS-Native as backend for Manila
# Creating Thin LV
function _create_thin_lv_gluster_vol {
local vol_name=$1
local vol_size=$2
sudo lvcreate -V $vol_size -T $GLUSTERFS_VG_NAME/$GLUSTERFS_THIN_POOL_NAME -n $vol_name
# Format the LV.
sudo mkfs.xfs -i size=512 /dev/$GLUSTERFS_VG_NAME/$vol_name
# Mount the filesystem
mkdir -p $MANILA_STATE_PATH/export/$vol_name
sudo mount /dev/$GLUSTERFS_VG_NAME/$vol_name $MANILA_STATE_PATH/export/$vol_name
# Create a directory that would serve as a brick.
sudo mkdir -p $MANILA_STATE_PATH/export/$vol_name/brick
# Create a GlusterFS Volume.
sudo gluster --mode=script vol create $vol_name $(hostname):$MANILA_STATE_PATH/export/$vol_name/brick
# Start gluster volume
sudo gluster --mode=script volume start $vol_name
}
# Configure manila.conf to use glusterfs.py driver
function _configure_manila_glusterfs {
local share_driver=manila.share.drivers.glusterfs.GlusterfsShareDriver
local group_name=$1
local gluster_vol=$2
iniset $MANILA_CONF $group_name share_driver $share_driver
iniset $MANILA_CONF $group_name share_backend_name GLUSTERFS
iniset $MANILA_CONF $group_name glusterfs_target $(hostname):/$gluster_vol
iniset $MANILA_CONF $group_name driver_handles_share_servers False
}
# Configure glusterfs.py as backend driver for Manila
function _configure_manila_glusterfs_nfs {
# Create Thin lvpool
_create_thin_lv_pool
# Create Gluster Volume
_create_thin_lv_gluster_vol manila-glusterfs-vol 20G
# Configure manila.conf
_configure_manila_glusterfs glusternfs1 manila-glusterfs-vol
# Setting enabled_share_protocols to NFS
iniset $MANILA_CONF DEFAULT enabled_share_protocols NFS
# Overrinding MANILA_ENABLED_BACKENDS to have only glusternfs1 backend
MANILA_ENABLED_BACKENDS=glusternfs1
# Setting enabled_share_backends
iniset $MANILA_CONF DEFAULT enabled_share_backends $MANILA_ENABLED_BACKENDS
}
# Configure glusterfsnative.py as backend driver for Manila
function _configure_manila_glusterfs_native {
#TODO(BharatK): Add script to configure GlusterFS-Native as a backend for Manila.
echo "Need to add script to configure GlusterFS-Native as a backend for Manila."

6
devstack/plugin.sh
View File

@ -37,6 +37,12 @@ CONFIGURE_GLUSTERFS_MANILA=${CONFIGURE_GLUSTERFS_MANILA:-False}
# Set GLUSTERFS_MANILA_DRIVER_TYPE to either 'glusterfs' or 'glusterfs-native'.
GLUSTERFS_MANILA_DRIVER_TYPE=${GLUSTERFS_MANILA_DRIVER_TYPE:-glusterfs}
# Set GLUSTERFS_VG_NAME to the name of volume group.
GLUSTERFS_VG_NAME=${GLUSTERFS_VG_NAME:-glusterfs-vg}
# Set GLUSTERFS_THIN_POOL_NAME to the name of thinpool.
GLUSTERFS_THIN_POOL_NAME=${GLUSTERFS_THIN_POOL_NAME:-glusterfs-thinpool}
# Error out when devstack-plugin-glusterfs is enabled, but not selected as a backend for Cinder, Glance or Nova.
if [ "$CONFIGURE_GLUSTERFS_CINDER" = "False" ] && [ "$CONFIGURE_GLUSTERFS_GLANCE" = "False" ] && [ "$CONFIGURE_GLUSTERFS_NOVA" = "False" ] && [ "$CONFIGURE_GLUSTERFS_MANILA" = "False" ]; then
echo "GlusterFS plugin enabled but not selected as a backend for Cinder, Glance, Nova or Manila."