def create_gluster_partition
mgmt_node = run_helper.get_mgmt_node()
nodes = run_helper.get_nodes_ip()
for node in nodes:
cmd = 'pvcreate GLUSTERPV --force; vgcreate $GLUSTERVG $GLUSTERPV'
run_helper.run_command(node, cmd, False)
cmd = 'lvcreate -n $GLUSTERLV -L 2GB $GLUSTERVG'
run_helper.run_command(node, cmd, False)
cmd = 'mkfs -t xfs -i size=512 /dev/$GLUSTERVG/$GLUSTERLV'
run_helper.run_command(node, cmd, False)
cmd = 'echo `xfs_admin -u /dev/$GLUSTERVG/$GLUSTERLV` $GLUSTEREXPORT xfs allocsize=4096,inode64 0 0 >> /etc/fstab'
run_helper.run_command(node, cmd, False)
return 0
def install_gluster(tarball):
nodes = run_helper.get_nodes_ip()
clients = run_helper.get_client_ip()
for client in clients:
if client not in nodes:
nodes.append(client)
if not os.path.exists(tarball):
print 'INFO: Source tarball ' + tarball + ' doesn\'t exist. Proceeding to download from bits.gluster.com'
download_url = 'http://bits.gluster.com/pub/gluster/glusterfs/src/' + tarball
cmd = 'wget ' + download_url
wget_status = os.system(cmd)
if wget_status:
print 'unable to download ' + tarball + ' from bits.gluster.com, \n Exiting...'
sys.exit(1)
prefix_path = run_helper.get_prefix_path()
build_dir = run_helper.get_build_dir()
if build_dir[-1] != '/':
build_dir = build_dir + '/'
ret_queue = Queue.Queue()
threads = []
for node in nodes:
t = threading.Thread(target=real_install_gluster, args=(node, tarball, build_dir, prefix_path, ret_queue))
t.start()
threads.append(t)
ret_codes = []
for t in threads:
t.join()
ret_codes.append(ret_queue.get())
return_value = 0
for ret in ret_codes:
if ret != 0:
return_value = 1
break
return return_value
def install_gluster_rpms(rpms):
nodes = run_helper.get_nodes_ip()
clients = run_helper.get_client_ip()
for client in clients:
if client not in nodes:
nodes.append(client)
g_version = run_helper.get_gluster_version()
if g_version[-7:] == '.tar.gz':
gluster_version = g_version[:-7]
else:
gluster_version = g_version
match = re.search(r'glusterfs-([\w.]+)', gluster_version)
if not match:
print 'unable to get gluster version to determine the rpm URL. Please check the configfile'
sys.exit(1)
version = match.group(1)
ret_queue = Queue.Queue()
threads = []
for node in nodes:
t = threading.Thread(target=install_rpm, args=(node, version, rpms, ret_queue))
t.start()
threads.append(t)
ret_codes = []
for t in threads:
t.join()
ret_codes.append(ret_queue.get())
ret_value = 0
for ret in ret_codes:
if ret != 0:
ret_value = 1
break
return ret_value
def create_gluster_volume():
mgmt_node = run_helper.get_mgmt_node()
nodes = run_helper.get_nodes_ip()
if mgmt_node not in nodes:
print "WARNING: management is not part of the server nodes. While this is not usual, Still proceeding with it."
export_dir = run_helper.get_server_export_dir()
vol_type = run_helper.get_volume_type()
trans_type = run_helper.get_trans_type()
volname = run_helper.get_vol_name()
bricks_number = run_helper.get_number_of_bricks()
pre_create_cleanup(nodes, export_dir)
brick_list = []
last_server_index = len(nodes) - 1
server_index = 0
for i in range(1, (int(bricks_number) + 1)):
brick = nodes[server_index] + ":" + export_dir + "/" + volname + "_brick" + str(i)
brick_list.append(brick)
if server_index == last_server_index:
server_index = 0
else:
server_index = server_index + 1
replica_count = ""
if vol_type in ("dist-rep", "stripe-rep", "rep", "dist-stripe-rep"):
replica_count = "replica " + run_helper.get_replica_count()
stripe_count = ""
if vol_type in ("stripe", "stripe-rep", "dist-stripe-rep", "dist-stripe"):
stripe_count = "stripe " + run_helper.get_stripe_count()
vol_create_cmd = (
"gluster volume create "
+ volname
+ " "
+ replica_count
+ " "
+ stripe_count
+ " "
+ "transport "
+ trans_type
+ " "
+ " ".join(brick_list)
+ " --mode=script"
)
flag = 0
for node in nodes:
status = run_helper.run_command(node, "glusterd", False)
if status:
print "glusterd can not be started in node: " + node
flag = 1
if flag:
print "glusterd can not be started successfully in all nodes. Exiting..."
sys.exit(1)
flag = 0
for node in nodes:
if node != mgmt_node:
status = run_helper.run_command(mgmt_node, "gluster peer probe " + node, False)
if status:
print "peer probe went wrong in " + node
flag = 1
if flag:
print "Peer probe went wrong in some machines. Exiting..."
sys.exit(1)
status = run_helper.run_command(mgmt_node, vol_create_cmd, True)
if status:
print "volume creation failed."
return status
def create_gluster_volume():
mgmt_node = run_helper.get_mgmt_node()
nodes = run_helper.get_nodes_ip()
if mgmt_node not in nodes:
print 'WARNING: management is not part of the server nodes. While this is not usual, Still proceeding with it.'
export_dir = run_helper.get_server_export_dir()
vol_type = run_helper.get_volume_type()
trans_type = run_helper.get_trans_type()
volname = run_helper.get_vol_name()
bricks_number = run_helper.get_number_of_bricks()
pre_create_cleanup(nodes, export_dir)
brick_list = []
last_server_index = len(nodes) -1
server_index = 0
for i in range(1, (int(bricks_number) + 1)):
brick = nodes[server_index] + ':' + export_dir + '/' + volname + '_brick' + str(i)
brick_list.append(brick)
if server_index == last_server_index:
server_index = 0
else:
server_index = server_index + 1
replica_count = ''
if vol_type in ('dist-rep', 'stripe-rep', 'rep', 'dist-stripe-rep'):
replica_count = 'replica ' + run_helper.get_replica_count()
stripe_count = ''
if vol_type in ('stripe', 'stripe-rep', 'dist-stripe-rep', 'dist-stripe'):
stripe_count = 'stripe ' + run_helper.get_stripe_count()
vol_create_cmd = 'gluster volume create ' + volname + ' ' + replica_count + ' ' + stripe_count + ' ' + 'transport ' + trans_type + ' ' + ' '.join(brick_list) + ' --mode=script'
flag = 0
for node in nodes:
status = run_helper.run_command(node, 'glusterd', False)
if status:
print 'glusterd can not be started in node: ' + node
flag = 1
if flag:
print 'glusterd can not be started successfully in all nodes. Exiting...'
sys.exit(1)
flag = 0
for node in nodes:
if node != mgmt_node:
status = run_helper.run_command(mgmt_node, 'gluster peer probe ' + node, False)
if status:
print 'peer probe went wrong in ' + node
flag = 1
if flag:
print 'Peer probe went wrong in some machines. Exiting...'
sys.exit(1)
status = run_helper.run_command(mgmt_node, vol_create_cmd, True)
if status:
print 'volume creation failed.'
return status
