2499 lines
77 KiB
Python
2499 lines
77 KiB
Python
#!/usr/bin/env python3
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# ceph.py - PVC client function library, Ceph cluster fuctions
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# Part of the Parallel Virtual Cluster (PVC) system
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#
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# Copyright (C) 2018-2022 Joshua M. Boniface <joshua@boniface.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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###############################################################################
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import os
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import re
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import json
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import time
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import math
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from concurrent.futures import ThreadPoolExecutor
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from distutils.util import strtobool
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from json import loads as jloads
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from re import match, search
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from uuid import uuid4
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from os import path
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import daemon_lib.vm as vm
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import daemon_lib.common as common
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from daemon_lib.celery import start, log_info, log_warn, update, fail, finish
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#
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# Supplemental functions
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#
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# Verify OSD is valid in cluster
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def verifyOSD(zkhandler, osd_id):
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return zkhandler.exists(("osd", osd_id))
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# Verify Pool is valid in cluster
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def verifyPool(zkhandler, name):
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return zkhandler.exists(("pool", name))
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# Verify Volume is valid in cluster
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def verifyVolume(zkhandler, pool, name):
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return zkhandler.exists(("volume", f"{pool}/{name}"))
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# Verify Snapshot is valid in cluster
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def verifySnapshot(zkhandler, pool, volume, name):
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return zkhandler.exists(("snapshot", f"{pool}/{volume}/{name}"))
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# Verify OSD path is valid in cluster
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def verifyOSDBlock(zkhandler, node, device):
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for osd in zkhandler.children("base.osd"):
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osd_node = zkhandler.read(("osd.node", osd))
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osd_device = zkhandler.read(("osd.device", osd))
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if node == osd_node and device == osd_device:
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return osd
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return None
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# Matrix of human-to-byte values
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byte_unit_matrix = {
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"B": 1,
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"K": 1024,
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"M": 1024 * 1024,
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"G": 1024 * 1024 * 1024,
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"T": 1024 * 1024 * 1024 * 1024,
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"P": 1024 * 1024 * 1024 * 1024 * 1024,
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"E": 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
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"Z": 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
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"Y": 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
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"R": 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
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"Q": 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
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}
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# Matrix of human-to-metric values
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ops_unit_matrix = {
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"": 1,
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"K": 1000,
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"M": 1000 * 1000,
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"G": 1000 * 1000 * 1000,
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"T": 1000 * 1000 * 1000 * 1000,
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"P": 1000 * 1000 * 1000 * 1000 * 1000,
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"E": 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
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"Z": 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
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"Y": 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
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"R": 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
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"Q": 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
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}
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# Format byte sizes to/from human-readable units
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def format_bytes_tohuman(databytes):
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datahuman = ""
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for unit in sorted(byte_unit_matrix, key=byte_unit_matrix.get, reverse=True):
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new_bytes = int(math.ceil(databytes / byte_unit_matrix[unit]))
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# Round up if 5 or more digits
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if new_bytes > 9999:
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# We can jump down another level
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continue
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else:
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# We're at the end, display with this size
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datahuman = "{}{}".format(new_bytes, unit)
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return datahuman
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def format_bytes_fromhuman(datahuman):
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if not re.search(r"[A-Za-z]+", datahuman):
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dataunit = "B"
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datasize = float(datahuman)
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else:
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dataunit = str(re.match(r"[0-9\.]+([A-Za-z])[iBb]*", datahuman).group(1))
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datasize = float(re.match(r"([0-9\.]+)[A-Za-z]+", datahuman).group(1))
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if byte_unit_matrix.get(dataunit.upper()):
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databytes = int(datasize * byte_unit_matrix[dataunit.upper()])
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return databytes
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else:
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return None
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# Format ops sizes to/from human-readable units
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def format_ops_tohuman(dataops):
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datahuman = ""
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for unit in sorted(ops_unit_matrix, key=ops_unit_matrix.get, reverse=True):
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new_ops = int(math.ceil(dataops / ops_unit_matrix[unit]))
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# Round up if 5 or more digits
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if new_ops > 9999:
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# We can jump down another level
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continue
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else:
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# We're at the end, display with this size
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datahuman = "{}{}".format(new_ops, unit)
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return datahuman
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def format_ops_fromhuman(datahuman):
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# Trim off human-readable character
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dataunit = datahuman[-1]
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datasize = int(datahuman[:-1])
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dataops = datasize * ops_unit_matrix[dataunit.upper()]
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return "{}".format(dataops)
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def format_pct_tohuman(datapct):
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datahuman = "{0:.1f}".format(float(datapct * 100.0))
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return datahuman
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#
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# Status functions
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#
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def get_status(zkhandler):
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primary_node = zkhandler.read("base.config.primary_node")
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ceph_status = zkhandler.read("base.storage").rstrip()
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# Create a data structure for the information
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status_data = {
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"type": "status",
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"primary_node": primary_node,
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"ceph_data": ceph_status,
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}
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return True, status_data
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def get_health(zkhandler):
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primary_node = zkhandler.read("base.config.primary_node")
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ceph_health = zkhandler.read("base.storage.health").rstrip()
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# Create a data structure for the information
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status_data = {
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"type": "health",
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"primary_node": primary_node,
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"ceph_data": ceph_health,
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}
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return True, status_data
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def get_util(zkhandler):
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primary_node = zkhandler.read("base.config.primary_node")
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ceph_df = zkhandler.read("base.storage.util").rstrip()
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# Create a data structure for the information
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status_data = {
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"type": "utilization",
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"primary_node": primary_node,
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"ceph_data": ceph_df,
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}
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return True, status_data
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#
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# OSD functions
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#
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def getClusterOSDList(zkhandler):
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# Get a list of VNIs by listing the children of /networks
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return zkhandler.children("base.osd")
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def getOSDInformation(zkhandler, osd_id):
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(
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osd_fsid,
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osd_node,
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osd_device,
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_osd_is_split,
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osd_db_device,
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osd_stats_raw,
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) = zkhandler.read_many(
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[
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("osd.ofsid", osd_id),
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("osd.node", osd_id),
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("osd.device", osd_id),
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("osd.is_split", osd_id),
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("osd.db_device", osd_id),
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("osd.stats", osd_id),
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]
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)
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osd_is_split = bool(strtobool(_osd_is_split))
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# Parse the stats data
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osd_stats = dict(json.loads(osd_stats_raw))
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osd_information = {
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"id": osd_id,
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"fsid": osd_fsid,
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"node": osd_node,
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"device": osd_device,
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"is_split": osd_is_split,
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"db_device": osd_db_device,
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"stats": osd_stats,
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}
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return osd_information
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def in_osd(zkhandler, osd_id):
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if not verifyOSD(zkhandler, osd_id):
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return False, 'ERROR: No OSD with ID "{}" is present in the cluster.'.format(
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osd_id
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)
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retcode, stdout, stderr = common.run_os_command("ceph osd in {}".format(osd_id))
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if retcode:
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return False, "ERROR: Failed to enable OSD {}: {}".format(osd_id, stderr)
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return True, "Set OSD {} online.".format(osd_id)
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def out_osd(zkhandler, osd_id):
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if not verifyOSD(zkhandler, osd_id):
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return False, 'ERROR: No OSD with ID "{}" is present in the cluster.'.format(
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osd_id
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)
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retcode, stdout, stderr = common.run_os_command("ceph osd out {}".format(osd_id))
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if retcode:
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return False, "ERROR: Failed to disable OSD {}: {}".format(osd_id, stderr)
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return True, "Set OSD {} offline.".format(osd_id)
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def set_osd(zkhandler, option):
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retcode, stdout, stderr = common.run_os_command("ceph osd set {}".format(option))
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if retcode:
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return False, 'ERROR: Failed to set property "{}": {}'.format(option, stderr)
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return True, 'Set OSD property "{}".'.format(option)
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def unset_osd(zkhandler, option):
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retcode, stdout, stderr = common.run_os_command("ceph osd unset {}".format(option))
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if retcode:
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return False, 'ERROR: Failed to unset property "{}": {}'.format(option, stderr)
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return True, 'Unset OSD property "{}".'.format(option)
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def get_list_osd(zkhandler, limit=None, is_fuzzy=True):
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osd_list = []
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full_osd_list = zkhandler.children("base.osd")
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if is_fuzzy and limit:
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# Implicitly assume fuzzy limits
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if not re.match(r"\^.*", limit):
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limit = ".*" + limit
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if not re.match(r".*\$", limit):
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limit = limit + ".*"
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for osd in full_osd_list:
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if limit:
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try:
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if re.fullmatch(limit, osd):
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osd_list.append(getOSDInformation(zkhandler, osd))
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except Exception as e:
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return False, "Regex Error: {}".format(e)
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else:
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osd_list.append(getOSDInformation(zkhandler, osd))
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return True, sorted(osd_list, key=lambda x: int(x["id"]))
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#
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# Pool functions
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#
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def getPoolInformation(zkhandler, pool):
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# Parse the stats data
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(pool_stats_raw, tier, pgs,) = zkhandler.read_many(
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[
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("pool.stats", pool),
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("pool.tier", pool),
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("pool.pgs", pool),
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]
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)
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pool_stats = dict(json.loads(pool_stats_raw))
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volume_count = len(getCephVolumes(zkhandler, pool))
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if tier is None:
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tier = "default"
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pool_information = {
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"name": pool,
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"volume_count": volume_count,
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"tier": tier,
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"pgs": pgs,
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"stats": pool_stats,
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}
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return pool_information
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def add_pool(zkhandler, name, pgs, replcfg, tier=None):
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# Prepare the copies/mincopies variables
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try:
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copies, mincopies = replcfg.split(",")
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copies = int(copies.replace("copies=", ""))
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mincopies = int(mincopies.replace("mincopies=", ""))
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except Exception:
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copies = None
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mincopies = None
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if not copies or not mincopies:
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return False, f'ERROR: Replication configuration "{replcfg}" is not valid.'
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# Prepare the tiers if applicable
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if tier is not None and tier in ["hdd", "ssd", "nvme"]:
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crush_rule = f"{tier}_tier"
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# Create a CRUSH rule for the relevant tier
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retcode, stdout, stderr = common.run_os_command(
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f"ceph osd crush rule create-replicated {crush_rule} default host {tier}"
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)
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if retcode:
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return (
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False,
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f"ERROR: Failed to create CRUSH rule {tier} for pool {name}: {stderr}",
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)
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else:
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tier = "default"
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crush_rule = "replicated"
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# Create the pool
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retcode, stdout, stderr = common.run_os_command(
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f"ceph osd pool create {name} {pgs} {pgs} {crush_rule}"
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)
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if retcode:
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return False, f'ERROR: Failed to create pool "{name}" with {pgs} PGs: {stderr}'
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# Set the size and minsize
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retcode, stdout, stderr = common.run_os_command(
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f"ceph osd pool set {name} size {copies}"
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)
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if retcode:
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return False, f'ERROR: Failed to set pool "{name}" size of {copies}: {stderr}'
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retcode, stdout, stderr = common.run_os_command(
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f"ceph osd pool set {name} min_size {mincopies}"
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)
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if retcode:
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return (
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False,
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f'ERROR: Failed to set pool "{name}" minimum size of {mincopies}: {stderr}',
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)
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# Enable RBD application
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retcode, stdout, stderr = common.run_os_command(
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f"ceph osd pool application enable {name} rbd"
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)
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if retcode:
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return (
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False,
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f'ERROR: Failed to enable RBD application on pool "{name}" : {stderr}',
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)
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# Add the new pool to Zookeeper
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zkhandler.write(
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[
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(("pool", name), ""),
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(("pool.pgs", name), pgs),
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(("pool.tier", name), tier),
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(("pool.stats", name), "{}"),
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(("volume", name), ""),
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(("snapshot", name), ""),
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]
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)
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return True, f'Created RBD pool "{name}" with {pgs} PGs'
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def remove_pool(zkhandler, name):
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if not verifyPool(zkhandler, name):
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return False, 'ERROR: No pool with name "{}" is present in the cluster.'.format(
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name
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)
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# 1. Remove pool volumes
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for volume in zkhandler.children(("volume", name)):
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remove_volume(zkhandler, name, volume)
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# 2. Remove the pool
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retcode, stdout, stderr = common.run_os_command(
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"ceph osd pool rm {pool} {pool} --yes-i-really-really-mean-it".format(pool=name)
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)
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if retcode:
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return False, 'ERROR: Failed to remove pool "{}": {}'.format(name, stderr)
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# 3. Delete pool from Zookeeper
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zkhandler.delete(
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[
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("pool", name),
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("volume", name),
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("snapshot", name),
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]
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)
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return True, 'Removed RBD pool "{}" and all volumes.'.format(name)
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def set_pgs_pool(zkhandler, name, pgs):
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if not verifyPool(zkhandler, name):
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return False, f'ERROR: No pool with name "{name}" is present in the cluster.'
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# Validate new PGs count
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pgs = int(pgs)
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if (pgs == 0) or (pgs & (pgs - 1) != 0):
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return (
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False,
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f'ERROR: Invalid PGs number "{pgs}": must be a non-zero power of 2.',
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)
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# Set the new pgs number
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retcode, stdout, stderr = common.run_os_command(
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f"ceph osd pool set {name} pg_num {pgs}"
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)
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if retcode:
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return False, f"ERROR: Failed to set pg_num on pool {name} to {pgs}: {stderr}"
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# Set the new pgps number if increasing
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current_pgs = int(zkhandler.read(("pool.pgs", name)))
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if current_pgs >= pgs:
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retcode, stdout, stderr = common.run_os_command(
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f"ceph osd pool set {name} pgp_num {pgs}"
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)
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if retcode:
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return (
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False,
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f"ERROR: Failed to set pg_num on pool {name} to {pgs}: {stderr}",
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)
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# Update Zookeeper count
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zkhandler.write(
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[
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(("pool.pgs", name), pgs),
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]
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)
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return True, f'Set PGs count to {pgs} for RBD pool "{name}".'
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def get_list_pool(zkhandler, limit=None, is_fuzzy=True):
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full_pool_list = zkhandler.children("base.pool")
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if is_fuzzy and limit:
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# Implicitly assume fuzzy limits
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if not re.match(r"\^.*", limit):
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limit = ".*" + limit
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if not re.match(r".*\$", limit):
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limit = limit + ".*"
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get_pool_info = dict()
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for pool in full_pool_list:
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is_limit_match = False
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if limit:
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try:
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if re.fullmatch(limit, pool):
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is_limit_match = True
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except Exception as e:
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return False, "Regex Error: {}".format(e)
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else:
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is_limit_match = True
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get_pool_info[pool] = True if is_limit_match else False
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pool_execute_list = [pool for pool in full_pool_list if get_pool_info[pool]]
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pool_data_list = list()
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with ThreadPoolExecutor(max_workers=32, thread_name_prefix="pool_list") as executor:
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futures = []
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for pool in pool_execute_list:
|
|
futures.append(executor.submit(getPoolInformation, zkhandler, pool))
|
|
for future in futures:
|
|
pool_data_list.append(future.result())
|
|
|
|
return True, sorted(pool_data_list, key=lambda x: int(x["stats"].get("id", 0)))
|
|
|
|
|
|
#
|
|
# Volume functions
|
|
#
|
|
def getCephVolumes(zkhandler, pool):
|
|
volume_list = list()
|
|
if not pool:
|
|
pool_list = zkhandler.children("base.pool")
|
|
else:
|
|
pool_list = [pool]
|
|
|
|
for pool_name in pool_list:
|
|
for volume_name in zkhandler.children(("volume", pool_name)):
|
|
volume_list.append("{}/{}".format(pool_name, volume_name))
|
|
|
|
return volume_list
|
|
|
|
|
|
def getVolumeInformation(zkhandler, pool, volume):
|
|
# Parse the stats data
|
|
volume_stats_raw = zkhandler.read(("volume.stats", f"{pool}/{volume}"))
|
|
volume_stats = dict(json.loads(volume_stats_raw))
|
|
# Format the size to something nicer
|
|
volume_stats["size"] = format_bytes_tohuman(volume_stats["size"])
|
|
|
|
volume_information = {"name": volume, "pool": pool, "stats": volume_stats}
|
|
return volume_information
|
|
|
|
|
|
def add_volume(zkhandler, pool, name, size):
|
|
# 1. Verify the size of the volume
|
|
pool_information = getPoolInformation(zkhandler, pool)
|
|
size_bytes = format_bytes_fromhuman(size)
|
|
if size_bytes is None:
|
|
return (
|
|
False,
|
|
f"ERROR: Requested volume size '{size}' does not have a valid SI unit",
|
|
)
|
|
|
|
if size_bytes >= int(pool_information["stats"]["free_bytes"]):
|
|
return (
|
|
False,
|
|
f"ERROR: Requested volume size '{format_bytes_tohuman(size_bytes)}' is greater than the available free space in the pool ('{format_bytes_tohuman(pool_information['stats']['free_bytes'])}')",
|
|
)
|
|
|
|
# 2. Create the volume
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd create --size {}B {}/{}".format(size_bytes, pool, name)
|
|
)
|
|
if retcode:
|
|
return False, 'ERROR: Failed to create RBD volume "{}": {}'.format(name, stderr)
|
|
|
|
# 2. Get volume stats
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd info --format json {}/{}".format(pool, name)
|
|
)
|
|
volstats = stdout
|
|
|
|
# 3. Add the new volume to Zookeeper
|
|
zkhandler.write(
|
|
[
|
|
(("volume", f"{pool}/{name}"), ""),
|
|
(("volume.stats", f"{pool}/{name}"), volstats),
|
|
(("snapshot", f"{pool}/{name}"), ""),
|
|
]
|
|
)
|
|
|
|
return True, 'Created RBD volume "{}" of size "{}" in pool "{}".'.format(
|
|
name, format_bytes_tohuman(size_bytes), pool
|
|
)
|
|
|
|
|
|
def clone_volume(zkhandler, pool, name_src, name_new):
|
|
if not verifyVolume(zkhandler, pool, name_src):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
name_src, pool
|
|
)
|
|
|
|
# 1. Clone the volume
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd copy {}/{} {}/{}".format(pool, name_src, pool, name_new)
|
|
)
|
|
if retcode:
|
|
return (
|
|
False,
|
|
'ERROR: Failed to clone RBD volume "{}" to "{}" in pool "{}": {}'.format(
|
|
name_src, name_new, pool, stderr
|
|
),
|
|
)
|
|
|
|
# 2. Get volume stats
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd info --format json {}/{}".format(pool, name_new)
|
|
)
|
|
volstats = stdout
|
|
|
|
# 3. Add the new volume to Zookeeper
|
|
zkhandler.write(
|
|
[
|
|
(("volume", f"{pool}/{name_new}"), ""),
|
|
(("volume.stats", f"{pool}/{name_new}"), volstats),
|
|
(("snapshot", f"{pool}/{name_new}"), ""),
|
|
]
|
|
)
|
|
|
|
return True, 'Cloned RBD volume "{}" to "{}" in pool "{}"'.format(
|
|
name_src, name_new, pool
|
|
)
|
|
|
|
|
|
def resize_volume(zkhandler, pool, name, size):
|
|
if not verifyVolume(zkhandler, pool, name):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
name, pool
|
|
)
|
|
|
|
# 1. Verify the size of the volume
|
|
pool_information = getPoolInformation(zkhandler, pool)
|
|
size_bytes = format_bytes_fromhuman(size)
|
|
if size_bytes is None:
|
|
return (
|
|
False,
|
|
f"ERROR: Requested volume size '{size}' does not have a valid SI unit",
|
|
)
|
|
|
|
if size_bytes >= int(pool_information["stats"]["free_bytes"]):
|
|
return (
|
|
False,
|
|
f"ERROR: Requested volume size '{format_bytes_tohuman(size_bytes)}' is greater than the available free space in the pool ('{format_bytes_tohuman(pool_information['stats']['free_bytes'])}')",
|
|
)
|
|
|
|
# 2. Resize the volume
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd resize --size {} {}/{}".format(
|
|
format_bytes_tohuman(size_bytes), pool, name
|
|
)
|
|
)
|
|
if retcode:
|
|
return (
|
|
False,
|
|
'ERROR: Failed to resize RBD volume "{}" to size "{}" in pool "{}": {}'.format(
|
|
name, format_bytes_tohuman(size_bytes), pool, stderr
|
|
),
|
|
)
|
|
|
|
# 3a. Determine the node running this VM if applicable
|
|
active_node = None
|
|
volume_vm_name = name.split("_")[0]
|
|
retcode, vm_info = vm.get_info(zkhandler, volume_vm_name)
|
|
if retcode:
|
|
for disk in vm_info["disks"]:
|
|
# This block device is present in this VM so we can continue
|
|
if disk["name"] == "{}/{}".format(pool, name):
|
|
active_node = vm_info["node"]
|
|
volume_id = disk["dev"]
|
|
# 3b. Perform a live resize in libvirt if the VM is running
|
|
if active_node is not None and vm_info.get("state", "") == "start":
|
|
import libvirt
|
|
|
|
# Run the libvirt command against the target host
|
|
try:
|
|
dest_lv = "qemu+tcp://{}/system".format(active_node)
|
|
target_lv_conn = libvirt.open(dest_lv)
|
|
target_vm_conn = target_lv_conn.lookupByName(vm_info["name"])
|
|
if target_vm_conn:
|
|
target_vm_conn.blockResize(
|
|
volume_id,
|
|
size_bytes,
|
|
libvirt.VIR_DOMAIN_BLOCK_RESIZE_BYTES,
|
|
)
|
|
target_lv_conn.close()
|
|
except Exception:
|
|
pass
|
|
|
|
# 4. Get volume stats
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd info --format json {}/{}".format(pool, name)
|
|
)
|
|
volstats = stdout
|
|
|
|
# 5. Update the volume in Zookeeper
|
|
zkhandler.write(
|
|
[
|
|
(("volume", f"{pool}/{name}"), ""),
|
|
(("volume.stats", f"{pool}/{name}"), volstats),
|
|
(("snapshot", f"{pool}/{name}"), ""),
|
|
]
|
|
)
|
|
|
|
return True, 'Resized RBD volume "{}" to size "{}" in pool "{}".'.format(
|
|
name, format_bytes_tohuman(size_bytes), pool
|
|
)
|
|
|
|
|
|
def rename_volume(zkhandler, pool, name, new_name):
|
|
if not verifyVolume(zkhandler, pool, name):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
name, pool
|
|
)
|
|
|
|
# 1. Rename the volume
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd rename {}/{} {}".format(pool, name, new_name)
|
|
)
|
|
if retcode:
|
|
return (
|
|
False,
|
|
'ERROR: Failed to rename volume "{}" to "{}" in pool "{}": {}'.format(
|
|
name, new_name, pool, stderr
|
|
),
|
|
)
|
|
|
|
# 2. Rename the volume in Zookeeper
|
|
zkhandler.rename(
|
|
[
|
|
(("volume", f"{pool}/{name}"), ("volume", f"{pool}/{new_name}")),
|
|
(("snapshot", f"{pool}/{name}"), ("snapshot", f"{pool}/{new_name}")),
|
|
]
|
|
)
|
|
|
|
# 3. Get volume stats
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd info --format json {}/{}".format(pool, new_name)
|
|
)
|
|
volstats = stdout
|
|
|
|
# 4. Update the volume stats in Zookeeper
|
|
zkhandler.write(
|
|
[
|
|
(("volume.stats", f"{pool}/{new_name}"), volstats),
|
|
]
|
|
)
|
|
|
|
return True, 'Renamed RBD volume "{}" to "{}" in pool "{}".'.format(
|
|
name, new_name, pool
|
|
)
|
|
|
|
|
|
def remove_volume(zkhandler, pool, name):
|
|
if not verifyVolume(zkhandler, pool, name):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
name, pool
|
|
)
|
|
|
|
# 1. Remove volume snapshots
|
|
for snapshot in zkhandler.children(("snapshot", f"{pool}/{name}")):
|
|
remove_snapshot(zkhandler, pool, name, snapshot)
|
|
|
|
# 2. Remove the volume
|
|
retcode, stdout, stderr = common.run_os_command("rbd rm {}/{}".format(pool, name))
|
|
if retcode:
|
|
return False, 'ERROR: Failed to remove RBD volume "{}" in pool "{}": {}'.format(
|
|
name, pool, stderr
|
|
)
|
|
|
|
# 3. Delete volume from Zookeeper
|
|
zkhandler.delete(
|
|
[
|
|
("volume", f"{pool}/{name}"),
|
|
("snapshot", f"{pool}/{name}"),
|
|
]
|
|
)
|
|
|
|
return True, 'Removed RBD volume "{}" in pool "{}".'.format(name, pool)
|
|
|
|
|
|
def map_volume(zkhandler, pool, name):
|
|
if not verifyVolume(zkhandler, pool, name):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
name, pool
|
|
)
|
|
|
|
# 1. Map the volume onto the local system
|
|
retcode, stdout, stderr = common.run_os_command("rbd map {}/{}".format(pool, name))
|
|
if retcode:
|
|
return False, 'ERROR: Failed to map RBD volume "{}" in pool "{}": {}'.format(
|
|
name, pool, stderr
|
|
)
|
|
|
|
# 2. Calculate the absolute path to the mapped volume
|
|
mapped_volume = "/dev/rbd/{}/{}".format(pool, name)
|
|
|
|
# 3. Ensure the volume exists
|
|
if not os.path.exists(mapped_volume):
|
|
return (
|
|
False,
|
|
'ERROR: Mapped volume not found at expected location "{}".'.format(
|
|
mapped_volume
|
|
),
|
|
)
|
|
|
|
return True, mapped_volume
|
|
|
|
|
|
def unmap_volume(zkhandler, pool, name):
|
|
if not verifyVolume(zkhandler, pool, name):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
name, pool
|
|
)
|
|
|
|
mapped_volume = "/dev/rbd/{}/{}".format(pool, name)
|
|
|
|
# 1. Ensure the volume exists
|
|
if not os.path.exists(mapped_volume):
|
|
return (
|
|
False,
|
|
'ERROR: Mapped volume not found at expected location "{}".'.format(
|
|
mapped_volume
|
|
),
|
|
)
|
|
|
|
# 2. Unap the volume
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd unmap {}".format(mapped_volume)
|
|
)
|
|
if retcode:
|
|
return False, 'ERROR: Failed to unmap RBD volume at "{}": {}'.format(
|
|
mapped_volume, stderr
|
|
)
|
|
|
|
return True, 'Unmapped RBD volume at "{}".'.format(mapped_volume)
|
|
|
|
|
|
def get_list_volume(zkhandler, pool, limit=None, is_fuzzy=True):
|
|
if pool and not verifyPool(zkhandler, pool):
|
|
return False, 'ERROR: No pool with name "{}" is present in the cluster.'.format(
|
|
pool
|
|
)
|
|
|
|
full_volume_list = getCephVolumes(zkhandler, pool)
|
|
|
|
if is_fuzzy and limit:
|
|
# Implicitly assume fuzzy limits
|
|
if not re.match(r"\^.*", limit):
|
|
limit = ".*" + limit
|
|
if not re.match(r".*\$", limit):
|
|
limit = limit + ".*"
|
|
|
|
get_volume_info = dict()
|
|
for volume in full_volume_list:
|
|
pool_name, volume_name = volume.split("/")
|
|
is_limit_match = False
|
|
|
|
# Check on limit
|
|
if limit:
|
|
# Try to match the limit against the volume name
|
|
try:
|
|
if re.fullmatch(limit, volume_name):
|
|
is_limit_match = True
|
|
except Exception as e:
|
|
return False, "Regex Error: {}".format(e)
|
|
else:
|
|
is_limit_match = True
|
|
|
|
get_volume_info[volume] = True if is_limit_match else False
|
|
|
|
# Obtain our volume data in a thread pool
|
|
volume_execute_list = [
|
|
volume for volume in full_volume_list if get_volume_info[volume]
|
|
]
|
|
volume_data_list = list()
|
|
with ThreadPoolExecutor(
|
|
max_workers=32, thread_name_prefix="volume_list"
|
|
) as executor:
|
|
futures = []
|
|
for volume in volume_execute_list:
|
|
pool_name, volume_name = volume.split("/")
|
|
futures.append(
|
|
executor.submit(getVolumeInformation, zkhandler, pool_name, volume_name)
|
|
)
|
|
for future in futures:
|
|
volume_data_list.append(future.result())
|
|
|
|
return True, sorted(volume_data_list, key=lambda x: str(x["name"]))
|
|
|
|
|
|
#
|
|
# Snapshot functions
|
|
#
|
|
def getCephSnapshots(zkhandler, pool, volume):
|
|
snapshot_list = list()
|
|
volume_list = list()
|
|
|
|
volume_list = getCephVolumes(zkhandler, pool)
|
|
if volume:
|
|
for volume_entry in volume_list:
|
|
volume_pool, volume_name = volume_entry.split("/")
|
|
if volume_name == volume:
|
|
volume_list = ["{}/{}".format(volume_pool, volume_name)]
|
|
|
|
for volume_entry in volume_list:
|
|
for snapshot_name in zkhandler.children(("snapshot", volume_entry)):
|
|
snapshot_list.append("{}@{}".format(volume_entry, snapshot_name))
|
|
|
|
return snapshot_list
|
|
|
|
|
|
def add_snapshot(zkhandler, pool, volume, name, zk_only=False):
|
|
if not verifyVolume(zkhandler, pool, volume):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
volume, pool
|
|
)
|
|
|
|
# 1. Create the snapshot
|
|
if not zk_only:
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd snap create {}/{}@{}".format(pool, volume, name)
|
|
)
|
|
if retcode:
|
|
return (
|
|
False,
|
|
'ERROR: Failed to create RBD snapshot "{}" of volume "{}" in pool "{}": {}'.format(
|
|
name, volume, pool, stderr
|
|
),
|
|
)
|
|
|
|
# 2. Add the snapshot to Zookeeper
|
|
zkhandler.write(
|
|
[
|
|
(("snapshot", f"{pool}/{volume}/{name}"), ""),
|
|
(("snapshot.stats", f"{pool}/{volume}/{name}"), "{}"),
|
|
]
|
|
)
|
|
|
|
# 3. Update the count of snapshots on this volume
|
|
volume_stats_raw = zkhandler.read(("volume.stats", f"{pool}/{volume}"))
|
|
volume_stats = dict(json.loads(volume_stats_raw))
|
|
# Format the size to something nicer
|
|
volume_stats["snapshot_count"] = volume_stats["snapshot_count"] + 1
|
|
volume_stats_raw = json.dumps(volume_stats)
|
|
zkhandler.write(
|
|
[
|
|
(("volume.stats", f"{pool}/{volume}"), volume_stats_raw),
|
|
]
|
|
)
|
|
|
|
return True, 'Created RBD snapshot "{}" of volume "{}" in pool "{}".'.format(
|
|
name, volume, pool
|
|
)
|
|
|
|
|
|
def rename_snapshot(zkhandler, pool, volume, name, new_name):
|
|
if not verifyVolume(zkhandler, pool, volume):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
volume, pool
|
|
)
|
|
if not verifySnapshot(zkhandler, pool, volume, name):
|
|
return (
|
|
False,
|
|
'ERROR: No snapshot with name "{}" is present for volume "{}" in pool "{}".'.format(
|
|
name, volume, pool
|
|
),
|
|
)
|
|
|
|
# 1. Rename the snapshot
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd snap rename {pool}/{volume}@{name} {pool}/{volume}@{new_name}".format(
|
|
pool=pool, volume=volume, name=name, new_name=new_name
|
|
)
|
|
)
|
|
if retcode:
|
|
return (
|
|
False,
|
|
'ERROR: Failed to rename RBD snapshot "{}" to "{}" for volume "{}" in pool "{}": {}'.format(
|
|
name, new_name, volume, pool, stderr
|
|
),
|
|
)
|
|
|
|
# 2. Rename the snapshot in ZK
|
|
zkhandler.rename(
|
|
[
|
|
(
|
|
("snapshot", f"{pool}/{volume}/{name}"),
|
|
("snapshot", f"{pool}/{volume}/{new_name}"),
|
|
),
|
|
]
|
|
)
|
|
|
|
return (
|
|
True,
|
|
'Renamed RBD snapshot "{}" to "{}" for volume "{}" in pool "{}".'.format(
|
|
name, new_name, volume, pool
|
|
),
|
|
)
|
|
|
|
|
|
def remove_snapshot(zkhandler, pool, volume, name):
|
|
if not verifyVolume(zkhandler, pool, volume):
|
|
return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(
|
|
volume, pool
|
|
)
|
|
if not verifySnapshot(zkhandler, pool, volume, name):
|
|
return (
|
|
False,
|
|
'ERROR: No snapshot with name "{}" is present of volume {} in pool {}.'.format(
|
|
name, volume, pool
|
|
),
|
|
)
|
|
|
|
# 1. Remove the snapshot
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"rbd snap rm {}/{}@{}".format(pool, volume, name)
|
|
)
|
|
if retcode:
|
|
return (
|
|
False,
|
|
'Failed to remove RBD snapshot "{}" of volume "{}" in pool "{}": {}'.format(
|
|
name, volume, pool, stderr
|
|
),
|
|
)
|
|
|
|
# 2. Delete snapshot from Zookeeper
|
|
zkhandler.delete([("snapshot", f"{pool}/{volume}/{name}")])
|
|
|
|
# 3. Update the count of snapshots on this volume
|
|
volume_stats_raw = zkhandler.read(("volume.stats", f"{pool}/{volume}"))
|
|
volume_stats = dict(json.loads(volume_stats_raw))
|
|
# Format the size to something nicer
|
|
volume_stats["snapshot_count"] = volume_stats["snapshot_count"] - 1
|
|
volume_stats_raw = json.dumps(volume_stats)
|
|
zkhandler.write([(("volume.stats", f"{pool}/{volume}"), volume_stats_raw)])
|
|
|
|
return True, 'Removed RBD snapshot "{}" of volume "{}" in pool "{}".'.format(
|
|
name, volume, pool
|
|
)
|
|
|
|
|
|
def get_list_snapshot(zkhandler, pool, volume, limit=None, is_fuzzy=True):
|
|
snapshot_list = []
|
|
if pool and not verifyPool(zkhandler, pool):
|
|
return False, 'ERROR: No pool with name "{}" is present in the cluster.'.format(
|
|
pool
|
|
)
|
|
|
|
if volume and not verifyPool(zkhandler, volume):
|
|
return (
|
|
False,
|
|
'ERROR: No volume with name "{}" is present in the cluster.'.format(volume),
|
|
)
|
|
|
|
full_snapshot_list = getCephSnapshots(zkhandler, pool, volume)
|
|
|
|
if is_fuzzy and limit:
|
|
# Implicitly assume fuzzy limits
|
|
if not re.match(r"\^.*", limit):
|
|
limit = ".*" + limit
|
|
if not re.match(r".*\$", limit):
|
|
limit = limit + ".*"
|
|
|
|
for snapshot in full_snapshot_list:
|
|
volume, snapshot_name = snapshot.split("@")
|
|
pool_name, volume_name = volume.split("/")
|
|
if limit:
|
|
try:
|
|
if re.fullmatch(limit, snapshot_name):
|
|
snapshot_list.append(
|
|
{
|
|
"pool": pool_name,
|
|
"volume": volume_name,
|
|
"snapshot": snapshot_name,
|
|
}
|
|
)
|
|
except Exception as e:
|
|
return False, "Regex Error: {}".format(e)
|
|
else:
|
|
snapshot_list.append(
|
|
{"pool": pool_name, "volume": volume_name, "snapshot": snapshot_name}
|
|
)
|
|
|
|
return True, sorted(snapshot_list, key=lambda x: str(x["snapshot"]))
|
|
|
|
|
|
#
|
|
# Celery worker tasks (must be run on node, outputs log messages to worker)
|
|
#
|
|
def osd_worker_helper_find_osds_from_block(device):
|
|
# Try to query the passed block device directly
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm list --format json {device}"
|
|
)
|
|
if retcode:
|
|
found_osds = []
|
|
else:
|
|
found_osds = jloads(stdout)
|
|
|
|
return found_osds
|
|
|
|
|
|
def osd_worker_add_osd(
|
|
zkhandler,
|
|
celery,
|
|
node,
|
|
device,
|
|
weight,
|
|
ext_db_ratio=None,
|
|
ext_db_size=None,
|
|
split_count=None,
|
|
):
|
|
current_stage = 0
|
|
total_stages = 5
|
|
if split_count is None:
|
|
_split_count = 1
|
|
else:
|
|
_split_count = split_count
|
|
total_stages = total_stages + 3 * int(_split_count)
|
|
if ext_db_ratio is not None or ext_db_size is not None:
|
|
total_stages = total_stages + 3 * int(_split_count) + 1
|
|
|
|
start(
|
|
celery,
|
|
f"Adding {_split_count} new OSD(s) on device {device} with weight {weight}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
# Handle a detect device if that is passed
|
|
if match(r"detect:", device):
|
|
ddevice = common.get_detect_device(device)
|
|
if ddevice is None:
|
|
fail(
|
|
celery,
|
|
f"Failed to determine block device from detect string {device}",
|
|
)
|
|
return
|
|
else:
|
|
log_info(
|
|
celery, f"Determined block device {ddevice} from detect string {device}"
|
|
)
|
|
device = ddevice
|
|
|
|
if ext_db_size is not None and ext_db_ratio is not None:
|
|
fail(
|
|
celery,
|
|
"Invalid configuration: both an ext_db_size and ext_db_ratio were specified",
|
|
)
|
|
return
|
|
|
|
# Check if device has a partition table; it's not valid if it does
|
|
retcode, _, _ = common.run_os_command(f"sfdisk --dump {device}")
|
|
if retcode < 1:
|
|
fail(
|
|
celery,
|
|
f"Device {device} has a partition table and is unsuitable for an OSD",
|
|
)
|
|
return
|
|
|
|
if ext_db_size is not None or ext_db_ratio is not None:
|
|
ext_db_flag = True
|
|
else:
|
|
ext_db_flag = False
|
|
|
|
if split_count is not None:
|
|
split_flag = f"--osds-per-device {split_count}"
|
|
is_split = True
|
|
log_info(
|
|
celery, f"Creating {split_count} new OSD disks on block device {device}"
|
|
)
|
|
else:
|
|
split_flag = ""
|
|
is_split = False
|
|
log_info(celery, f"Creating 1 new OSD disk on block device {device}")
|
|
|
|
if "nvme" in device:
|
|
class_flag = "--crush-device-class nvme"
|
|
else:
|
|
class_flag = "--crush-device-class ssd"
|
|
|
|
# 1. Zap the block device
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Zapping block device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm zap --destroy {device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to perform ceph-volume lvm zap on {device}")
|
|
return
|
|
|
|
# 2. Prepare the OSD(s)
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Preparing OSD(s) on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm batch --yes --prepare --bluestore {split_flag} {class_flag} {device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to perform ceph-volume lvm batch on {device}")
|
|
return
|
|
|
|
# 3. Get the list of created OSDs on the device (initial pass)
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Querying OSD(s) on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm list --format json {device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to perform ceph-volume lvm list on {device}")
|
|
return
|
|
|
|
created_osds = jloads(stdout)
|
|
|
|
# 4. Prepare the WAL and DB devices
|
|
if ext_db_flag:
|
|
for created_osd in created_osds:
|
|
# 4a. Get the OSD FSID and ID from the details
|
|
osd_details = created_osds[created_osd][0]
|
|
osd_fsid = osd_details["tags"]["ceph.osd_fsid"]
|
|
osd_id = osd_details["tags"]["ceph.osd_id"]
|
|
osd_lv = osd_details["lv_path"]
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Preparing DB LV for OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
# 4b. Prepare the logical volume if ext_db_flag
|
|
if ext_db_ratio is not None:
|
|
_, osd_size_bytes, _ = common.run_os_command(
|
|
f"blockdev --getsize64 {osd_lv}"
|
|
)
|
|
osd_size_bytes = int(osd_size_bytes)
|
|
osd_db_size_bytes = int(osd_size_bytes * ext_db_ratio)
|
|
if ext_db_size is not None:
|
|
osd_db_size_bytes = format_bytes_fromhuman(ext_db_size)
|
|
osd_db_size_mb = int(osd_db_size_bytes / 1024 / 1024)
|
|
|
|
db_device = f"osd-db/osd-{osd_id}"
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Preparing Bluestore DB volume for OSD {osd_id} on {db_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"lvcreate -L {osd_db_size_mb}M -n osd-{osd_id} --yes osd-db"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run lvcreate on {db_device}")
|
|
return
|
|
|
|
# 4c. Attach the new DB device to the OSD
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Attaching Bluestore DB volume to OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm new-db --osd-id {osd_id} --osd-fsid {osd_fsid} --target {db_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(
|
|
celery, f"Failed to perform ceph-volume lvm new-db on OSD {osd_id}"
|
|
)
|
|
return
|
|
|
|
# 4d. Get the list of created OSDs on the device (final pass)
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Requerying OSD(s) on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm list --format json {device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to perform ceph-volume lvm list on {device}")
|
|
return
|
|
|
|
created_osds = jloads(stdout)
|
|
|
|
# 5. Activate the OSDs
|
|
for created_osd in created_osds:
|
|
# 5a. Get the OSD FSID and ID from the details
|
|
osd_details = created_osds[created_osd][0]
|
|
osd_clusterfsid = osd_details["tags"]["ceph.cluster_fsid"]
|
|
osd_fsid = osd_details["tags"]["ceph.osd_fsid"]
|
|
osd_id = osd_details["tags"]["ceph.osd_id"]
|
|
db_device = osd_details["tags"].get("ceph.db_device", "")
|
|
osd_vg = osd_details["vg_name"]
|
|
osd_lv = osd_details["lv_name"]
|
|
|
|
# 5b. Add it to the crush map
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Adding OSD {osd_id} to CRUSH map",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph osd crush add osd.{osd_id} {weight} root=default host={node}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to perform ceph osd crush add for OSD {osd_id}")
|
|
return
|
|
|
|
# 5c. Activate the OSD
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Activating OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm activate --bluestore {osd_id} {osd_fsid}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to perform ceph osd crush add for OSD {osd_id}")
|
|
return
|
|
|
|
# 5d. Wait 1 second for it to activate
|
|
time.sleep(1)
|
|
|
|
# 5e. Verify it started
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"systemctl status ceph-osd@{osd_id}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to start OSD {osd_id} process")
|
|
return
|
|
|
|
# 5f. Add the new OSD to PVC
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Adding OSD {osd_id} to PVC",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
zkhandler.write(
|
|
[
|
|
(("osd", osd_id), ""),
|
|
(("osd.node", osd_id), node),
|
|
(("osd.device", osd_id), device),
|
|
(("osd.db_device", osd_id), db_device),
|
|
(("osd.fsid", osd_id), ""),
|
|
(("osd.ofsid", osd_id), osd_fsid),
|
|
(("osd.cfsid", osd_id), osd_clusterfsid),
|
|
(("osd.lvm", osd_id), ""),
|
|
(("osd.vg", osd_id), osd_vg),
|
|
(("osd.lv", osd_id), osd_lv),
|
|
(("osd.is_split", osd_id), is_split),
|
|
(
|
|
("osd.stats", osd_id),
|
|
'{"uuid": "|", "up": 0, "in": 0, "primary_affinity": "|", "utilization": "|", "var": "|", "pgs": "|", "kb": "|", "weight": "|", "reweight": "|", "node": "|", "used": "|", "avail": "|", "wr_ops": "|", "wr_data": "|", "rd_ops": "|", "rd_data": "|", "state": "|"}',
|
|
),
|
|
]
|
|
)
|
|
|
|
# 6. Wait for OSD to check in
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
"Waiting for new OSD(s) to report stats",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
last_osd = None
|
|
for osd in created_osds:
|
|
last_osd = osd
|
|
|
|
while (
|
|
jloads(
|
|
zkhandler.read(
|
|
("osd.stats", created_osds[last_osd][0]["tags"]["ceph.osd_id"])
|
|
)
|
|
)["weight"]
|
|
== "|"
|
|
):
|
|
time.sleep(1)
|
|
|
|
# 7. Log it
|
|
current_stage += 1
|
|
return finish(
|
|
celery,
|
|
f"Successfully created {len(created_osds.keys())} new OSD(s) {','.join(created_osds.keys())} on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
|
|
def osd_worker_replace_osd(
|
|
zkhandler,
|
|
celery,
|
|
node,
|
|
osd_id,
|
|
new_device,
|
|
old_device=None,
|
|
weight=None,
|
|
ext_db_ratio=None,
|
|
ext_db_size=None,
|
|
):
|
|
# Try to determine if any other OSDs shared a block device with this OSD
|
|
_, osd_list = get_list_osd(zkhandler, None)
|
|
osd_block = zkhandler.read(("osd.device", osd_id))
|
|
all_osds_on_block = [
|
|
o for o in osd_list if o["node"] == node and o["device"] == osd_block
|
|
]
|
|
all_osds_on_block_ids = [o["id"] for o in all_osds_on_block]
|
|
|
|
# Set up stages
|
|
current_stage = 0
|
|
total_stages = 3
|
|
_split_count = len(all_osds_on_block_ids)
|
|
total_stages = total_stages + 10 * int(_split_count)
|
|
if (
|
|
ext_db_ratio is not None
|
|
or ext_db_size is not None
|
|
or any([True for o in all_osds_on_block if o["db_device"]])
|
|
):
|
|
total_stages = total_stages + 2 * int(_split_count)
|
|
|
|
start(
|
|
celery,
|
|
f"Replacing OSD(s) {','.join(all_osds_on_block_ids)} with device {new_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
# Handle a detect device if that is passed
|
|
if match(r"detect:", new_device):
|
|
ddevice = common.get_detect_device(new_device)
|
|
if ddevice is None:
|
|
fail(
|
|
celery,
|
|
f"Failed to determine block device from detect string {new_device}",
|
|
)
|
|
return
|
|
else:
|
|
log_info(
|
|
celery,
|
|
f"Determined block device {ddevice} from detect string {new_device}",
|
|
)
|
|
new_device = ddevice
|
|
|
|
# Check if device has a partition table; it's not valid if it does
|
|
retcode, _, _ = common.run_os_command(f"sfdisk --dump {new_device}")
|
|
if retcode < 1:
|
|
fail(
|
|
celery,
|
|
f"Device {new_device} has a partition table and is unsuitable for an OSD",
|
|
)
|
|
return
|
|
|
|
# Phase 1: Try to determine what we can about the old device
|
|
real_old_device = None
|
|
|
|
# Determine information from a passed old_device
|
|
if old_device is not None:
|
|
found_osds = osd_worker_helper_find_osds_from_block(old_device)
|
|
if found_osds and osd_id in found_osds.keys():
|
|
real_old_device = old_device
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"No OSD(s) found on device {old_device}; falling back to PVC detection",
|
|
)
|
|
|
|
# Try to get an old_device from our PVC information
|
|
if real_old_device is None:
|
|
found_osds = osd_worker_helper_find_osds_from_block(osd_block)
|
|
|
|
if osd_id in found_osds.keys():
|
|
real_old_device = osd_block
|
|
|
|
if real_old_device is None:
|
|
skip_zap = True
|
|
log_warn(
|
|
celery,
|
|
"No valid old block device found for OSD(s); skipping zap",
|
|
)
|
|
else:
|
|
skip_zap = False
|
|
|
|
# Determine the weight of the OSD(s)
|
|
if weight is None:
|
|
weight = all_osds_on_block[0]["stats"]["weight"]
|
|
|
|
# Take down the OSD(s), but keep it's CRUSH map details and IDs
|
|
for osd in all_osds_on_block:
|
|
osd_id = osd["id"]
|
|
|
|
# 1. Set the OSD down and out so it will flush
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Setting OSD {osd_id} down",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(f"ceph osd down {osd_id}")
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to set OSD {osd_id} down")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Setting OSD {osd_id} out",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(f"ceph osd out {osd_id}")
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to set OSD {osd_id} out")
|
|
return
|
|
|
|
# 2. Wait for the OSD to be safe to remove (but don't wait for rebalancing to complete)
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Waiting for OSD {osd_id} to be safe to remove",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
tcount = 0
|
|
while True:
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph osd safe-to-destroy osd.{osd_id}"
|
|
)
|
|
if int(retcode) in [0, 11]:
|
|
break
|
|
else:
|
|
common.run_os_command(f"ceph osd down {osd_id}")
|
|
common.run_os_command(f"ceph osd out {osd_id}")
|
|
time.sleep(1)
|
|
tcount += 1
|
|
if tcount > 60:
|
|
log_warn(
|
|
celery,
|
|
f"Timed out (60s) waiting for OSD {osd_id} to be safe to remove; proceeding anyways",
|
|
)
|
|
break
|
|
|
|
# 3. Stop the OSD process and wait for it to be terminated
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Stopping OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"systemctl stop ceph-osd@{osd_id}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to stop OSD {osd_id}")
|
|
return
|
|
time.sleep(5)
|
|
|
|
# 4. Destroy the OSD
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Destroying OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph osd destroy {osd_id} --yes-i-really-mean-it"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to destroy OSD {osd_id}")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Zapping old disk {real_old_device} if possible",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
if not skip_zap:
|
|
# 5. Zap the old disk
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm zap --destroy {real_old_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
log_warn(
|
|
celery, f"Failed to zap old disk {real_old_device}; proceeding anyways"
|
|
)
|
|
|
|
# 6. Prepare the volume group on the new device
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Preparing LVM volume group on new disk {new_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm zap --destroy {new_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run ceph-volume lvm zap on new disk {new_device}")
|
|
return
|
|
|
|
retcode, stdout, stderr = common.run_os_command(f"pvcreate {new_device}")
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run pvcreate on new disk {new_device}")
|
|
return
|
|
|
|
vg_uuid = str(uuid4())
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"vgcreate ceph-{vg_uuid} {new_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run vgcreate on new disk {new_device}")
|
|
return
|
|
|
|
# Determine how many OSDs we want on the new device
|
|
osds_count = len(all_osds_on_block)
|
|
|
|
# Determine the size of the new device
|
|
_, new_device_size_bytes, _ = common.run_os_command(
|
|
f"blockdev --getsize64 {new_device}"
|
|
)
|
|
|
|
# Calculate the size of each OSD (in MB) based on the default 4M extent size
|
|
new_osd_size_mb = (
|
|
int(int(int(new_device_size_bytes) / osds_count) / 1024 / 1024 / 4) * 4
|
|
)
|
|
|
|
# Calculate the size, if applicable, of the OSD block if we were passed a ratio
|
|
if ext_db_ratio is not None:
|
|
osd_new_db_size_mb = int(int(int(new_osd_size_mb * ext_db_ratio) / 4) * 4)
|
|
elif ext_db_size is not None:
|
|
osd_new_db_size_mb = int(
|
|
int(int(format_bytes_fromhuman(ext_db_size)) / 1024 / 1024 / 4) * 4
|
|
)
|
|
else:
|
|
if all_osds_on_block[0]["db_device"]:
|
|
_, new_device_size_bytes, _ = common.run_os_command(
|
|
f"blockdev --getsize64 {all_osds_on_block[0]['db_device']}"
|
|
)
|
|
osd_new_db_size_mb = int(
|
|
int(int(new_device_size_bytes) / 1024 / 1024 / 4) * 4
|
|
)
|
|
else:
|
|
osd_new_db_size_mb = None
|
|
|
|
for osd in all_osds_on_block:
|
|
osd_id = osd["id"]
|
|
osd_fsid = osd["fsid"]
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Preparing LVM logical volume for OSD {osd_id} on new disk {new_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"lvcreate -L {new_osd_size_mb}M -n osd-block-{osd_fsid} ceph-{vg_uuid}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run lvcreate for OSD {osd_id}")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Preparing OSD {osd_id} on new disk {new_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm prepare --bluestore --osd-id {osd_id} --osd-fsid {osd_fsid} --data /dev/ceph-{vg_uuid}/osd-block-{osd_fsid}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run ceph-volume lvm prepare for OSD {osd_id}")
|
|
return
|
|
|
|
for osd in all_osds_on_block:
|
|
osd_id = osd["id"]
|
|
osd_fsid = osd["fsid"]
|
|
|
|
if osd["db_device"]:
|
|
db_device = f"osd-db/osd-{osd_id}"
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Preparing Bluestore DB volume for OSD {osd_id} on {db_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"lvremove --force {db_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run lvremove on {db_device}")
|
|
return
|
|
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"lvcreate -L {osd_new_db_size_mb}M -n osd-{osd_id} --yes osd-db"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run lvcreate on {db_device}")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Attaching Bluestore DB volume to OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm new-db --osd-id {osd_id} --osd-fsid {osd_fsid} --target {db_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run ceph-volume lvm new-db for OSD {osd_id}")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Updating OSD {osd_id} in CRUSH map",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph osd crush add osd.{osd_id} {weight} root=default host={node}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run ceph osd crush add for OSD {osd_id}")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Activating OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm activate --bluestore {osd_id} {osd_fsid}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run ceph-volume lvm activate for OSD {osd_id}")
|
|
return
|
|
|
|
# Wait 1 second for it to activate
|
|
time.sleep(1)
|
|
|
|
# Verify it started
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"systemctl status ceph-osd@{osd_id}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to start OSD {osd_id} process")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Updating OSD {osd_id} in PVC",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
zkhandler.write(
|
|
[
|
|
(("osd.device", osd_id), new_device),
|
|
(("osd.vg", osd_id), f"ceph-{vg_uuid}"),
|
|
(("osd.lv", osd_id), f"osd-block-{osd_fsid}"),
|
|
]
|
|
)
|
|
|
|
# 6. Log it
|
|
current_stage += 1
|
|
return finish(
|
|
celery,
|
|
f"Successfully replaced OSD(s) {','.join(all_osds_on_block_ids)} on new disk {new_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
|
|
def osd_worker_refresh_osd(
|
|
zkhandler,
|
|
celery,
|
|
node,
|
|
osd_id,
|
|
device,
|
|
ext_db_flag,
|
|
):
|
|
# Try to determine if any other OSDs shared a block device with this OSD
|
|
_, osd_list = get_list_osd(zkhandler, None)
|
|
osd_block = zkhandler.read(("osd.device", osd_id))
|
|
all_osds_on_block = [
|
|
o for o in osd_list if o["node"] == node and o["device"] == osd_block
|
|
]
|
|
all_osds_on_block_ids = [o["id"] for o in all_osds_on_block]
|
|
|
|
# Set up stages
|
|
current_stage = 0
|
|
total_stages = 1
|
|
_split_count = len(all_osds_on_block_ids)
|
|
total_stages = total_stages + 3 * int(_split_count)
|
|
|
|
start(
|
|
celery,
|
|
f"Refreshing/reimporting OSD(s) {','.join(all_osds_on_block_ids)} on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
# Handle a detect device if that is passed
|
|
if match(r"detect:", device):
|
|
ddevice = common.get_detect_device(device)
|
|
if ddevice is None:
|
|
fail(
|
|
celery,
|
|
f"Failed to determine block device from detect string {device}",
|
|
)
|
|
return
|
|
else:
|
|
log_info(
|
|
celery,
|
|
f"Determined block device {ddevice} from detect string {device}",
|
|
)
|
|
device = ddevice
|
|
|
|
retcode, stdout, stderr = common.run_os_command("ceph osd ls")
|
|
osd_list = stdout.split("\n")
|
|
if osd_id not in osd_list:
|
|
fail(
|
|
celery,
|
|
f"Could not find OSD {osd_id} in the cluster",
|
|
)
|
|
return
|
|
|
|
found_osds = osd_worker_helper_find_osds_from_block(device)
|
|
if osd_id not in found_osds.keys():
|
|
fail(
|
|
celery,
|
|
f"Could not find OSD {osd_id} on device {device}",
|
|
)
|
|
return
|
|
|
|
for osd in found_osds:
|
|
found_osd = found_osds[osd][0]
|
|
lv_device = found_osd["lv_path"]
|
|
|
|
_, osd_pvc_information = get_list_osd(zkhandler, osd)
|
|
osd_information = osd_pvc_information[0]
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
"Querying for OSD on device",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm list --format json {lv_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run ceph-volume lvm list for OSD {osd}")
|
|
return
|
|
|
|
osd_detail = jloads(stdout)[osd][0]
|
|
|
|
osd_fsid = osd_detail["tags"]["ceph.osd_fsid"]
|
|
if osd_fsid != osd_information["fsid"]:
|
|
fail(
|
|
celery,
|
|
f"OSD {osd} FSID {osd_information['fsid']} does not match volume FSID {osd_fsid}; OSD cannot be imported",
|
|
)
|
|
return
|
|
|
|
dev_flags = f"--data {lv_device}"
|
|
|
|
if ext_db_flag:
|
|
db_device = "osd-db/osd-{osd}"
|
|
dev_flags += f" --block.db {db_device}"
|
|
|
|
if not path.exists(f"/dev/{db_device}"):
|
|
fail(
|
|
celery,
|
|
f"OSD Bluestore DB volume {db_device} does not exist; OSD cannot be imported",
|
|
)
|
|
return
|
|
else:
|
|
db_device = ""
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Activating OSD {osd}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm activate --bluestore {osd} {osd_fsid}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to run ceph-volume lvm activate for OSD {osd}")
|
|
return
|
|
|
|
# Wait 1 second for it to activate
|
|
time.sleep(1)
|
|
|
|
# Verify it started
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"systemctl status ceph-osd@{osd}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(celery, f"Failed to start OSD {osd} process")
|
|
return
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Updating OSD {osd} in PVC",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
zkhandler.write(
|
|
[
|
|
(("osd.device", osd), device),
|
|
(("osd.vg", osd), osd_detail["vg_name"]),
|
|
(("osd.lv", osd), osd_detail["lv_name"]),
|
|
]
|
|
)
|
|
|
|
# 6. Log it
|
|
current_stage += 1
|
|
return finish(
|
|
celery,
|
|
f"Successfully reimported OSD(s) {','.join(all_osds_on_block_ids)} on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
|
|
def osd_worker_remove_osd(
|
|
zkhandler, celery, node, osd_id, force_flag=False, skip_zap_flag=False
|
|
):
|
|
# Get initial data
|
|
data_device = zkhandler.read(("osd.device", osd_id))
|
|
if zkhandler.exists(("osd.db_device", osd_id)):
|
|
db_device = zkhandler.read(("osd.db_device", osd_id))
|
|
else:
|
|
db_device = None
|
|
|
|
# Set up stages
|
|
current_stage = 0
|
|
total_stages = 7
|
|
if not force_flag:
|
|
total_stages += 1
|
|
if not skip_zap_flag:
|
|
total_stages += 2
|
|
if db_device:
|
|
total_stages += 1
|
|
|
|
start(
|
|
celery,
|
|
f"Removing OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
# Verify the OSD is present
|
|
retcode, stdout, stderr = common.run_os_command("ceph osd ls")
|
|
osd_list = stdout.split("\n")
|
|
if osd_id not in osd_list:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"OSD {osd_id} not found in Ceph",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"OSD {osd_id} not found in Ceph; ignoring error due to force flag",
|
|
)
|
|
|
|
# 1. Set the OSD down and out so it will flush
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Setting OSD {osd_id} down",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(f"ceph osd down {osd_id}")
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to set OSD {osd_id} down",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to set OSD {osd_id} down; ignoring error due to force flag",
|
|
)
|
|
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Setting OSD {osd_id} out",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(f"ceph osd out {osd_id}")
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to set OSD {osd_id} down",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to set OSD {osd_id} down; ignoring error due to force flag",
|
|
)
|
|
|
|
# 2. Wait for the OSD to be safe to remove (but don't wait for rebalancing to complete)
|
|
if not force_flag:
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Waiting for OSD {osd_id} to be safe to remove",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
tcount = 0
|
|
while True:
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph osd safe-to-destroy osd.{osd_id}"
|
|
)
|
|
if int(retcode) in [0, 11]:
|
|
break
|
|
else:
|
|
common.run_os_command(f"ceph osd down {osd_id}")
|
|
common.run_os_command(f"ceph osd out {osd_id}")
|
|
time.sleep(1)
|
|
tcount += 1
|
|
if tcount > 60:
|
|
log_warn(
|
|
celery,
|
|
f"Timed out (60s) waiting for OSD {osd_id} to be safe to remove; proceeding anyways",
|
|
)
|
|
break
|
|
|
|
# 3. Stop the OSD process and wait for it to be terminated
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Stopping OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(f"systemctl stop ceph-osd@{osd_id}")
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to stop OSD {osd_id} process",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to stop OSD {osd_id} process; ignoring error due to force flag",
|
|
)
|
|
time.sleep(5)
|
|
|
|
# 4. Delete OSD from ZK
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Deleting OSD {osd_id} from PVC",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
zkhandler.delete(("osd", osd_id), recursive=True)
|
|
|
|
# 5a. Destroy the OSD from Ceph
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Destroying OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph osd destroy {osd_id} --yes-i-really-mean-it"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to destroy OSD {osd_id}",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to destroy OSD {osd_id}; ignoring error due to force flag",
|
|
)
|
|
time.sleep(2)
|
|
|
|
# 5b. Purge the OSD from Ceph
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Removing OSD {osd_id} from CRUSH map",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
# Remove the OSD from the CRUSH map
|
|
retcode, stdout, stderr = common.run_os_command(f"ceph osd crush rm osd.{osd_id}")
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to remove OSD {osd_id} from CRUSH map",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to remove OSD {osd_id} from CRUSH map; ignoring error due to force flag",
|
|
)
|
|
|
|
# Purge the OSD
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Purging OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
if force_flag:
|
|
force_arg = "--force"
|
|
else:
|
|
force_arg = ""
|
|
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph osd purge {osd_id} {force_arg} --yes-i-really-mean-it"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to purge OSD {osd_id}",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to purge OSD {osd_id}; ignoring error due to force flag",
|
|
)
|
|
|
|
# 6. Remove the DB device
|
|
if db_device:
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Removing OSD DB logical volume {db_device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"lvremove --yes --force {db_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to remove OSD DB logical volume {db_device}",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to remove OSD DB logical volume {db_device}; ignoring error due to force flag",
|
|
)
|
|
|
|
if not skip_zap_flag:
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Zapping old disk {data_device} if possible",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
# 7. Determine the block devices
|
|
found_osds = osd_worker_helper_find_osds_from_block(data_device)
|
|
if osd_id in found_osds.keys():
|
|
# Try to determine if any other OSDs shared a block device with this OSD
|
|
_, osd_list = get_list_osd(zkhandler, None)
|
|
all_osds_on_block = [
|
|
o for o in osd_list if o["node"] == node and o["device"] == data_device
|
|
]
|
|
|
|
if len(all_osds_on_block) < 1:
|
|
log_info(
|
|
celery,
|
|
f"Found no peer split OSD(s) on {data_device}; zapping disk",
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
f"ceph-volume lvm zap --destroy {data_device}"
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
if not force_flag:
|
|
fail(
|
|
celery,
|
|
f"Failed to run ceph-volume lvm zap on device {data_device}",
|
|
)
|
|
return
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Failed to run ceph-volume lvm zap on device {data_device}; ignoring error due to force flag",
|
|
)
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Found {len(all_osds_on_block)} OSD(s) still remaining on {data_device}; skipping zap",
|
|
)
|
|
else:
|
|
log_warn(
|
|
celery,
|
|
f"Could not find OSD {osd_id} on device {data_device}; skipping zap",
|
|
)
|
|
|
|
# 6. Log it
|
|
current_stage += 1
|
|
return finish(
|
|
celery,
|
|
f"Successfully removed OSD {osd_id}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
|
|
|
|
def osd_worker_add_db_vg(zkhandler, celery, device):
|
|
# Set up stages
|
|
current_stage = 0
|
|
total_stages = 4
|
|
|
|
start(
|
|
celery,
|
|
f"Creating new OSD database volume group on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
# Check if an existsing volume group exists
|
|
retcode, stdout, stderr = common.run_os_command("vgdisplay osd-db")
|
|
if retcode != 5:
|
|
fail(
|
|
celery,
|
|
"Ceph OSD database VG already exists",
|
|
)
|
|
return
|
|
|
|
# Handle a detect device if that is passed
|
|
if match(r"detect:", device):
|
|
ddevice = common.get_detect_device(device)
|
|
if ddevice is None:
|
|
fail(
|
|
celery,
|
|
f"Failed to determine block device from detect string {device}",
|
|
)
|
|
return
|
|
else:
|
|
log_info(
|
|
celery,
|
|
f"Determined block device {ddevice} from detect string {device}",
|
|
)
|
|
device = ddevice
|
|
|
|
# 1. Create an empty partition table
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Creating partitions on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command("sgdisk --clear {}".format(device))
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(
|
|
celery,
|
|
f"Failed to create partition table on device {device}",
|
|
)
|
|
return
|
|
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"sgdisk --new 1:: --typecode 1:8e00 {}".format(device)
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(
|
|
celery,
|
|
f"Failed to set partition type to LVM PV on device {device}",
|
|
)
|
|
return
|
|
|
|
# Handle the partition ID portion
|
|
if search(r"by-path", device) or search(r"by-id", device):
|
|
# /dev/disk/by-path/pci-0000:03:00.0-scsi-0:1:0:0 -> pci-0000:03:00.0-scsi-0:1:0:0-part1
|
|
partition = "{}-part1".format(device)
|
|
elif search(r"nvme", device):
|
|
# /dev/nvme0n1 -> nvme0n1p1
|
|
partition = "{}p1".format(device)
|
|
else:
|
|
# /dev/sda -> sda1
|
|
# No other '/dev/disk/by-*' types are valid for raw block devices anyways
|
|
partition = "{}1".format(device)
|
|
|
|
# 2. Create the PV
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f"Creating LVM PV on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"pvcreate --force {}".format(partition)
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(
|
|
celery,
|
|
f"Failed to create LVM PV on device {device}",
|
|
)
|
|
return
|
|
|
|
# 2. Create the VG (named 'osd-db')
|
|
current_stage += 1
|
|
update(
|
|
celery,
|
|
f'Creating LVM VG "osd-db" on device {device}',
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|
|
retcode, stdout, stderr = common.run_os_command(
|
|
"vgcreate --force osd-db {}".format(partition)
|
|
)
|
|
log_info(celery, f"stdout: {stdout}")
|
|
log_info(celery, f"stderr: {stderr}")
|
|
if retcode:
|
|
fail(
|
|
celery,
|
|
f"Failed to create LVM VG on device {device}",
|
|
)
|
|
return
|
|
|
|
# Log it
|
|
current_stage += 1
|
|
return finish(
|
|
celery,
|
|
f"Successfully created new OSD DB volume group on device {device}",
|
|
current=current_stage,
|
|
total=total_stages,
|
|
)
|