294 lines
9.9 KiB
Python
294 lines
9.9 KiB
Python
#!/usr/bin/env python3
|
|
|
|
# ceph.py - PVC client function library, Ceph cluster fuctions
|
|
# Part of the Parallel Virtual Cluster (PVC) system
|
|
#
|
|
# Copyright (C) 2018 Joshua M. Boniface <joshua@boniface.me>
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
#
|
|
###############################################################################
|
|
|
|
import re
|
|
import click
|
|
import ast
|
|
|
|
import client_lib.ansiprint as ansiprint
|
|
import client_lib.zkhandler as zkhandler
|
|
import client_lib.common as common
|
|
|
|
#
|
|
# Supplemental functions
|
|
#
|
|
|
|
#
|
|
# Cluster search functions
|
|
#
|
|
def getClusterOSDList(zk_conn):
|
|
# Get a list of VNIs by listing the children of /networks
|
|
osd_list = zkhandler.listchildren(zk_conn, '/ceph/osds')
|
|
return osd_list
|
|
|
|
def getOSDInformation(zk_conn, osd_id):
|
|
# Parse the stats data
|
|
osd_stats_raw = zkhandler.readdata(zk_conn, '/ceph/osds/{}/stats'.format(osd_id))
|
|
osd_stats = dict(ast.literal_eval(osd_stats_raw))
|
|
return osd_stats
|
|
|
|
def getCephOSDs(zk_conn):
|
|
osd_list = zkhandler.listchildren(zk_conn, '/ceph/osds')
|
|
return osd_list
|
|
|
|
def formatOSDList(zk_conn, osd_list):
|
|
osd_list_output = []
|
|
osd_uuid = dict()
|
|
osd_up = dict()
|
|
osd_up_colour = dict()
|
|
osd_in = dict()
|
|
osd_in_colour = dict()
|
|
osd_weight = dict()
|
|
osd_node = dict()
|
|
osd_used = dict()
|
|
osd_free = dict()
|
|
osd_wrops = dict()
|
|
osd_wrdata = dict()
|
|
osd_rdops = dict()
|
|
osd_rddata = dict()
|
|
osd_state = dict()
|
|
osd_state_colour = dict()
|
|
|
|
osd_id_length = 3
|
|
osd_up_length = 4
|
|
osd_in_length = 4
|
|
osd_weight_length = 7
|
|
osd_node_length = 5
|
|
osd_used_length = 5
|
|
osd_free_length = 6
|
|
osd_wrops_length = 4
|
|
osd_wrdata_length = 5
|
|
osd_rdops_length = 4
|
|
osd_rddata_length = 5
|
|
|
|
for osd in osd_list:
|
|
# Set the OSD ID length
|
|
_osd_id_length = len(osd) + 1
|
|
if _osd_id_length > osd_id_length:
|
|
osd_id_length = _osd_id_length
|
|
|
|
# Get stats
|
|
osd_stats = getOSDInformation(zk_conn, osd)
|
|
|
|
# Set the parent node and length
|
|
osd_node[osd] = osd_stats['node']
|
|
_osd_node_length = len(osd_node[osd]) + 1
|
|
if _osd_node_length > osd_node_length:
|
|
osd_node_length = _osd_node_length
|
|
|
|
# Set the UP status
|
|
if osd_stats['up'] == 1:
|
|
osd_up[osd] = 'Yes'
|
|
osd_up_colour[osd] = ansiprint.green()
|
|
else:
|
|
osd_up[osd] = 'No'
|
|
osd_up_colour[osd] = ansiprint.red()
|
|
|
|
# Set the IN status
|
|
if osd_stats['in'] == 1:
|
|
osd_in[osd] = 'Yes'
|
|
osd_in_colour[osd] = ansiprint.green()
|
|
else:
|
|
osd_in[osd] = 'No'
|
|
osd_in_colour[osd] = ansiprint.red()
|
|
|
|
# Set the weight and length
|
|
osd_weight[osd] = osd_stats['weight']
|
|
_osd_weight_length = len(str(osd_weight[osd])) + 1
|
|
if _osd_weight_length > osd_weight_length:
|
|
osd_weight_length = _osd_weight_length
|
|
|
|
# Set the used/available space and length
|
|
osd_used[osd] = osd_stats['used']
|
|
_osd_used_length = len(osd_used[osd]) + 1
|
|
if _osd_used_length > osd_used_length:
|
|
osd_used_length = _osd_used_length
|
|
osd_free[osd] = osd_stats['avail']
|
|
_osd_free_length = len(osd_free[osd]) + 1
|
|
if _osd_free_length > osd_free_length:
|
|
osd_free_length = _osd_free_length
|
|
|
|
# Set the write IOPS/data and length
|
|
osd_wrops[osd] = osd_stats['wr_ops']
|
|
_osd_wrops_length = len(osd_wrops[osd]) + 1
|
|
if _osd_wrops_length > osd_wrops_length:
|
|
osd_wrops_length = _osd_wrops_length
|
|
osd_wrdata[osd] = osd_stats['wr_data']
|
|
_osd_wrdata_length = len(osd_wrdata[osd]) + 1
|
|
if _osd_wrdata_length > osd_wrdata_length:
|
|
osd_wrdata_length = _osd_wrdata_length
|
|
|
|
# Set the read IOPS/data and length
|
|
osd_rdops[osd] = osd_stats['rd_ops']
|
|
_osd_rdops_length = len(osd_rdops[osd]) + 1
|
|
if _osd_rdops_length > osd_rdops_length:
|
|
osd_rdops_length = _osd_rdops_length
|
|
osd_rddata[osd] = osd_stats['rd_data']
|
|
_osd_rddata_length = len(osd_rddata[osd]) + 1
|
|
if _osd_rddata_length > osd_rddata_length:
|
|
osd_rddata_length = _osd_rddata_length
|
|
|
|
# Format the output header
|
|
osd_list_output_header = '{bold}\
|
|
{osd_id: <{osd_id_length}} \
|
|
{osd_node: <{osd_node_length}} \
|
|
{osd_up: <{osd_up_length}} \
|
|
{osd_in: <{osd_in_length}} \
|
|
{osd_weight: <{osd_weight_length}} \
|
|
Space: {osd_used: <{osd_used_length}} \
|
|
{osd_free: <{osd_free_length}} \
|
|
Write: {osd_wrops: <{osd_wrops_length}} \
|
|
{osd_wrdata: <{osd_wrdata_length}} \
|
|
Read: {osd_rdops: <{osd_rdops_length}} \
|
|
{osd_rddata: <{osd_rddata_length}} \
|
|
{end_bold}'.format(
|
|
bold=ansiprint.bold(),
|
|
end_bold=ansiprint.end(),
|
|
osd_id_length=osd_id_length,
|
|
osd_node_length=osd_node_length,
|
|
osd_up_length=osd_up_length,
|
|
osd_in_length=osd_in_length,
|
|
osd_weight_length=osd_weight_length,
|
|
osd_used_length=osd_used_length,
|
|
osd_free_length=osd_free_length,
|
|
osd_wrops_length=osd_wrops_length,
|
|
osd_wrdata_length=osd_wrdata_length,
|
|
osd_rdops_length=osd_rdops_length,
|
|
osd_rddata_length=osd_rddata_length,
|
|
osd_id='ID',
|
|
osd_node='Node',
|
|
osd_up='Up',
|
|
osd_in='In',
|
|
osd_weight='Weight',
|
|
osd_used='Used',
|
|
osd_free='Free',
|
|
osd_wrops='OPS',
|
|
osd_wrdata='Data',
|
|
osd_rdops='OPS',
|
|
osd_rddata='Data'
|
|
)
|
|
|
|
for osd in osd_list:
|
|
# Format the output header
|
|
osd_list_output.append('{bold}\
|
|
{osd_id: <{osd_id_length}} \
|
|
{osd_node: <{osd_node_length}} \
|
|
{osd_up_colour}{osd_up: <{osd_up_length}}{end_colour} \
|
|
{osd_in_colour}{osd_in: <{osd_in_length}}{end_colour} \
|
|
{osd_weight: <{osd_weight_length}} \
|
|
{osd_used: <{osd_used_length}} \
|
|
{osd_free: <{osd_free_length}} \
|
|
{osd_wrops: <{osd_wrops_length}} \
|
|
{osd_wrdata: <{osd_wrdata_length}} \
|
|
{osd_rdops: <{osd_rdops_length}} \
|
|
{osd_rddata: <{osd_rddata_length}} \
|
|
{end_bold}'.format(
|
|
bold=ansiprint.bold(),
|
|
end_bold=ansiprint.end(),
|
|
end_colour=ansiprint.end(),
|
|
osd_id_length=osd_id_length,
|
|
osd_node_length=osd_node_length,
|
|
osd_up_length=osd_up_length,
|
|
osd_in_length=osd_in_length,
|
|
osd_weight_length=osd_weight_length,
|
|
osd_used_length=osd_used_length,
|
|
osd_free_length=osd_free_length,
|
|
osd_wrops_length=osd_wrops_length,
|
|
osd_wrdata_length=osd_wrdata_length,
|
|
osd_rdops_length=osd_rdops_length,
|
|
osd_rddata_length=osd_rddata_length,
|
|
osd_id=osd,
|
|
osd_node=osd_node[osd],
|
|
osd_up_colour=osd_up_colour[osd],
|
|
osd_up=osd_up[osd],
|
|
osd_in_colour=osd_in_colour[osd],
|
|
osd_in=osd_in[osd],
|
|
osd_weight=osd_weight[osd],
|
|
osd_used=osd_used[osd],
|
|
osd_free=osd_free[osd],
|
|
osd_wrops=osd_wrops[osd],
|
|
osd_wrdata=osd_wrdata[osd],
|
|
osd_rdops=osd_rdops[osd],
|
|
osd_rddata=osd_rddata[osd]
|
|
)
|
|
)
|
|
|
|
output_string = osd_list_output_header + '\n' + '\n'.join(sorted(osd_list_output))
|
|
return output_string
|
|
|
|
#
|
|
# Direct functions
|
|
#
|
|
def get_status(zk_conn):
|
|
status_data = zkhandler.readdata(zk_conn, '/ceph').rstrip()
|
|
primary_node = zkhandler.readdata(zk_conn, '/primary_node')
|
|
click.echo('{bold}Ceph cluster status (primary node {end}{blue}{primary}{end}{bold}){end}\n'.format(bold=ansiprint.bold(), end=ansiprint.end(), blue=ansiprint.blue(), primary=primary_node))
|
|
click.echo(status_data)
|
|
click.echo('')
|
|
return True, ''
|
|
|
|
def add_osd(zk_conn, node, device):
|
|
if not common.verifyNode(zk_conn, node):
|
|
return False, 'ERROR: No node named "{}" is present in the cluster.'.format(node)
|
|
|
|
# Tell the cluster to create a new OSD for the host
|
|
add_osd_string = 'add {},{}'.format(node, device)
|
|
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': add_osd_string})
|
|
click.echo('Created new OSD with block device {} on node {}.'.format(device, node))
|
|
return True, ''
|
|
|
|
def remove_osd(zk_conn, osd_id):
|
|
remove_osd_string = 'remove {}'.format(osd_id)
|
|
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': remove_osd_string})
|
|
click.echo('Removed OSD with ID {} from the cluster.'.format(osd_id))
|
|
return True, ''
|
|
|
|
def get_list_osd(zk_conn, limit):
|
|
osd_list = []
|
|
full_osd_list = getCephOSDs(zk_conn)
|
|
|
|
if limit:
|
|
try:
|
|
# Implicitly assume fuzzy limits
|
|
if re.match('\^.*', limit) == None:
|
|
limit = '.*' + limit
|
|
if re.match('.*\$', limit) == None:
|
|
limit = limit + '.*'
|
|
except Exception as e:
|
|
return False, 'Regex Error: {}'.format(e)
|
|
|
|
for osd in full_osd_list:
|
|
valid_osd = False
|
|
if limit:
|
|
if re.match(limit, osd['osd_id']) != None:
|
|
valid_osd = True
|
|
else:
|
|
valid_osd = True
|
|
|
|
if valid_osd:
|
|
osd_list.append(osd)
|
|
|
|
output_string = formatOSDList(zk_conn, osd_list)
|
|
click.echo(output_string)
|
|
|
|
return True, ''
|