Support adding and removing Ceph pools
This commit is contained in:
parent
922a3a9ee1
commit
99fcb21e3b
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@ -912,6 +912,8 @@ def net_acl_list(net, limit, direction):
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def cli_ceph():
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"""
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Manage the Ceph storage of the PVC cluster.
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NOTE: The PVC Ceph interface is limited to the most common tasks. Any other administrative tasks must be performed on a node directly.
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"""
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pass
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@ -999,6 +1001,61 @@ def ceph_pool():
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"""
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pass
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###############################################################################
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# pvc ceph pool add
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###############################################################################
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@click.command(name='add', short_help='Add new RBD pool.')
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@click.argument(
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'name'
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)
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@click.argument(
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'pgs'
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)
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def ceph_pool_add(name, pgs):
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"""
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Add a new Ceph RBD pool with name NAME and PGS placement groups.
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"""
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zk_conn = pvc_common.startZKConnection(zk_host)
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retcode, retmsg = pvc_ceph.add_pool(zk_conn, name, pgs)
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cleanup(retcode, retmsg, zk_conn)
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###############################################################################
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# pvc ceph pool remove
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###############################################################################
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@click.command(name='remove', short_help='Remove RBD pool.')
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@click.argument(
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'name'
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)
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@click.option('--yes', is_flag=True,
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expose_value=False,
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prompt='DANGER: This command will destroy this pool and all volumes. Do you want to continue?'
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)
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def ceph_pool_remove(name):
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"""
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Remove a Ceph RBD pool with name NAME and all volumes on it.
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"""
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zk_conn = pvc_common.startZKConnection(zk_host)
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retcode, retmsg = pvc_ceph.remove_pool(zk_conn, name)
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cleanup(retcode, retmsg, zk_conn)
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###############################################################################
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# pvc ceph pool list
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###############################################################################
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@click.command(name='list', short_help='List cluster RBD pools.')
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@click.argument(
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'limit', default=None, required=False
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)
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def ceph_pool_list(limit):
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"""
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List all Ceph RBD pools in the cluster; optinally only match elements matching name regex LIMIT.
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"""
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zk_conn = pvc_common.startZKConnection(zk_host)
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retcode, retmsg = pvc_ceph.get_list_pool(zk_conn, limit)
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cleanup(retcode, retmsg, zk_conn)
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###############################################################################
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# pvc init
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@ -1134,13 +1191,11 @@ ceph_osd.add_command(ceph_osd_remove)
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#ceph_osd.add_command(ceph_osd_out)
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#ceph_osd.add_command(ceph_osd_set)
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#ceph_osd.add_command(ceph_osd_unset)
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#ceph_osd.add_command(ceph_osd_info)
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ceph_osd.add_command(ceph_osd_list)
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#ceph_pool.add_command(ceph_pool_add)
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#ceph_pool.add_command(ceph_pool_remove)
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#ceph_pool.add_command(ceph_pool_info)
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#ceph_pool.add_command(ceph_pool_list)
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ceph_pool.add_command(ceph_pool_add)
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ceph_pool.add_command(ceph_pool_remove)
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ceph_pool.add_command(ceph_pool_list)
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cli_ceph.add_command(ceph_status)
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cli_ceph.add_command(ceph_osd)
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@ -22,8 +22,9 @@
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import re
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import click
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import ast
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import json
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import time
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import math
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import client_lib.ansiprint as ansiprint
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import client_lib.zkhandler as zkhandler
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@ -33,6 +34,22 @@ import client_lib.common as common
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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(zk_conn, osd_id):
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if zkhandler.exists(zk_conn, '/ceph/osds/{}'.format(osd_id)):
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return True
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else:
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return False
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# Verify OSD path is valid in cluster
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def verifyOSDBlock(zk_conn, node, device):
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for osd in zkhandler.listchildren(zk_conn, '/ceph/osds'):
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osd_node = zkhandler.readdata(zk_conn, '/ceph/osds/{}/node'.format(osd))
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osd_device = zkhandler.readdata(zk_conn, '/ceph/osds/{}/device'.format(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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#
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# Cluster search functions
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#
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@ -44,7 +61,7 @@ def getClusterOSDList(zk_conn):
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def getOSDInformation(zk_conn, osd_id):
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# Parse the stats data
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osd_stats_raw = zkhandler.readdata(zk_conn, '/ceph/osds/{}/stats'.format(osd_id))
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osd_stats = dict(ast.literal_eval(osd_stats_raw))
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osd_stats = dict(json.loads(osd_stats_raw))
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return osd_stats
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def getCephOSDs(zk_conn):
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@ -53,15 +70,19 @@ def getCephOSDs(zk_conn):
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def formatOSDList(zk_conn, osd_list):
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osd_list_output = []
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osd_uuid = dict()
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osd_up = dict()
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osd_up_colour = dict()
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osd_in = dict()
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osd_in_colour = dict()
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osd_weight = dict()
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osd_pgs = dict()
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osd_node = dict()
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osd_used = dict()
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osd_free = dict()
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osd_util = dict()
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osd_var= dict()
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osd_wrops = dict()
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osd_wrdata = dict()
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osd_rdops = dict()
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@ -73,9 +94,12 @@ def formatOSDList(zk_conn, osd_list):
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osd_up_length = 4
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osd_in_length = 4
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osd_weight_length = 7
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osd_pgs_length = 4
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osd_node_length = 5
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osd_used_length = 5
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osd_free_length = 6
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osd_util_length = 6
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osd_var_length = 6
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osd_wrops_length = 4
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osd_wrdata_length = 5
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osd_rdops_length = 4
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@ -125,7 +149,13 @@ def formatOSDList(zk_conn, osd_list):
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if _osd_weight_length > osd_weight_length:
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osd_weight_length = _osd_weight_length
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# Set the used/available space and length
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# Set the pgs and length
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osd_pgs[osd] = osd_stats['pgs']
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_osd_pgs_length = len(str(osd_pgs[osd])) + 1
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if _osd_pgs_length > osd_pgs_length:
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osd_pgs_length = _osd_pgs_length
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# Set the used/available/utlization%/variance and lengths
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osd_used[osd] = osd_stats['used']
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_osd_used_length = len(osd_used[osd]) + 1
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if _osd_used_length > osd_used_length:
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@ -134,6 +164,14 @@ def formatOSDList(zk_conn, osd_list):
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_osd_free_length = len(osd_free[osd]) + 1
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if _osd_free_length > osd_free_length:
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osd_free_length = _osd_free_length
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osd_util[osd] = round(osd_stats['utilization'], 2)
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_osd_util_length = len(str(osd_util[osd])) + 1
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if _osd_util_length > osd_util_length:
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osd_util_length = _osd_util_length
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osd_var[osd] = round(osd_stats['var'], 2)
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_osd_var_length = len(str(osd_var[osd])) + 1
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if _osd_var_length > osd_var_length:
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osd_var_length = _osd_var_length
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# Set the write IOPS/data and length
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osd_wrops[osd] = osd_stats['wr_ops']
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@ -162,8 +200,11 @@ def formatOSDList(zk_conn, osd_list):
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{osd_up: <{osd_up_length}} \
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{osd_in: <{osd_in_length}} \
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{osd_weight: <{osd_weight_length}} \
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{osd_pgs: <{osd_pgs_length}} \
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Space: {osd_used: <{osd_used_length}} \
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{osd_free: <{osd_free_length}} \
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{osd_util: <{osd_util_length}} \
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{osd_var: <{osd_var_length}} \
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Write: {osd_wrops: <{osd_wrops_length}} \
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{osd_wrdata: <{osd_wrdata_length}} \
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Read: {osd_rdops: <{osd_rdops_length}} \
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@ -176,8 +217,11 @@ Read: {osd_rdops: <{osd_rdops_length}} \
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osd_up_length=osd_up_length,
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osd_in_length=osd_in_length,
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osd_weight_length=osd_weight_length,
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osd_pgs_length=osd_pgs_length,
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osd_used_length=osd_used_length,
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osd_free_length=osd_free_length,
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osd_util_length=osd_util_length,
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osd_var_length=osd_var_length,
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osd_wrops_length=osd_wrops_length,
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osd_wrdata_length=osd_wrdata_length,
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osd_rdops_length=osd_rdops_length,
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@ -187,8 +231,11 @@ Read: {osd_rdops: <{osd_rdops_length}} \
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osd_up='Up',
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osd_in='In',
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osd_weight='Weight',
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osd_pgs='PGs',
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osd_used='Used',
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osd_free='Free',
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osd_util='Util%',
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osd_var='Var',
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osd_wrops='OPS',
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osd_wrdata='Data',
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osd_rdops='OPS',
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@ -203,8 +250,11 @@ Read: {osd_rdops: <{osd_rdops_length}} \
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{osd_up_colour}{osd_up: <{osd_up_length}}{end_colour} \
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{osd_in_colour}{osd_in: <{osd_in_length}}{end_colour} \
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{osd_weight: <{osd_weight_length}} \
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{osd_pgs: <{osd_pgs_length}} \
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{osd_used: <{osd_used_length}} \
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{osd_free: <{osd_free_length}} \
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{osd_util: <{osd_util_length}} \
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{osd_var: <{osd_var_length}} \
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{osd_wrops: <{osd_wrops_length}} \
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{osd_wrdata: <{osd_wrdata_length}} \
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{osd_rdops: <{osd_rdops_length}} \
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@ -218,8 +268,11 @@ Read: {osd_rdops: <{osd_rdops_length}} \
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osd_up_length=osd_up_length,
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osd_in_length=osd_in_length,
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osd_weight_length=osd_weight_length,
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osd_pgs_length=osd_pgs_length,
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osd_used_length=osd_used_length,
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osd_free_length=osd_free_length,
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osd_util_length=osd_util_length,
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osd_var_length=osd_var_length,
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osd_wrops_length=osd_wrops_length,
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osd_wrdata_length=osd_wrdata_length,
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osd_rdops_length=osd_rdops_length,
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@ -231,8 +284,11 @@ Read: {osd_rdops: <{osd_rdops_length}} \
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osd_in_colour=osd_in_colour[osd],
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osd_in=osd_in[osd],
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osd_weight=osd_weight[osd],
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osd_pgs=osd_pgs[osd],
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osd_used=osd_used[osd],
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osd_free=osd_free[osd],
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osd_util=osd_util[osd],
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osd_var=osd_var[osd],
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osd_wrops=osd_wrops[osd],
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osd_wrdata=osd_wrdata[osd],
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osd_rdops=osd_rdops[osd],
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@ -243,6 +299,232 @@ Read: {osd_rdops: <{osd_rdops_length}} \
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output_string = osd_list_output_header + '\n' + '\n'.join(sorted(osd_list_output))
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return output_string
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def getClusterPoolList(zk_conn):
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# Get a list of pools under /ceph/pools
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pool_list = zkhandler.listchildren(zk_conn, '/ceph/pools')
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return pool_list
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def getPoolInformation(zk_conn, name):
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# Parse the stats data
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pool_stats_raw = zkhandler.readdata(zk_conn, '/ceph/pools/{}/stats'.format(name))
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pool_stats = dict(json.loads(pool_stats_raw))
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# Deal with the size issues
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size_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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}
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for datatype in 'size_bytes', 'read_bytes', 'write_bytes':
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databytes = pool_stats[datatype]
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databytes_formatted = ''
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if databytes > 9999:
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for unit in sorted(size_matrix, key=size_matrix.get, reverse=True):
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new_bytes = int(math.ceil(databytes / size_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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databytes_formatted = '{}{}'.format(new_bytes, unit)
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else:
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databytes_formatted = '{}B'.format(databytes)
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new_name = datatype.replace('bytes', 'formatted')
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pool_stats[new_name] = databytes_formatted
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return pool_stats
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def getCephPools(zk_conn):
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pool_list = zkhandler.listchildren(zk_conn, '/ceph/pools')
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return pool_list
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def formatPoolList(zk_conn, pool_list):
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pool_list_output = []
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pool_id = dict()
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pool_size = dict()
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pool_num_objects = dict()
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pool_num_clones = dict()
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pool_num_copies = dict()
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pool_num_degraded = dict()
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pool_read_ops = dict()
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pool_read_data = dict()
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pool_write_ops = dict()
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pool_write_data = dict()
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pool_name_length = 5
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pool_id_length = 3
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pool_size_length = 5
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pool_num_objects_length = 6
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pool_num_clones_length = 7
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pool_num_copies_length = 7
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pool_num_degraded_length = 9
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pool_read_ops_length = 4
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pool_read_data_length = 5
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pool_write_ops_length = 4
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pool_write_data_length = 5
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for pool in pool_list:
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# Set the Pool name length
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_pool_name_length = len(pool) + 1
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if _pool_name_length > pool_name_length:
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pool_name_length = _pool_name_length
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# Get stats
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pool_stats = getPoolInformation(zk_conn, pool)
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# Set the parent node and length
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try:
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pool_id[pool] = pool_stats['id']
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# If this happens, the node hasn't checked in fully yet, so just ignore it
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if not pool_id[pool]:
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continue
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except KeyError:
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continue
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# Set the id and length
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pool_id[pool] = pool_stats['id']
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_pool_id_length = len(str(pool_id[pool])) + 1
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if _pool_id_length > pool_id_length:
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pool_id_length = _pool_id_length
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# Set the size and length
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pool_size[pool] = pool_stats['size_formatted']
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_pool_size_length = len(str(pool_size[pool])) + 1
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if _pool_size_length > pool_size_length:
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pool_size_length = _pool_size_length
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# Set the num_objects and length
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pool_num_objects[pool] = pool_stats['num_objects']
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_pool_num_objects_length = len(str(pool_num_objects[pool])) + 1
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if _pool_num_objects_length > pool_num_objects_length:
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pool_num_objects_length = _pool_num_objects_length
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# Set the num_clones and length
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pool_num_clones[pool] = pool_stats['num_object_clones']
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_pool_num_clones_length = len(str(pool_num_clones[pool])) + 1
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if _pool_num_clones_length > pool_num_clones_length:
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pool_num_clones_length = _pool_num_clones_length
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# Set the num_copies and length
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pool_num_copies[pool] = pool_stats['num_object_copies']
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_pool_num_copies_length = len(str(pool_num_copies[pool])) + 1
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if _pool_num_copies_length > pool_num_copies_length:
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pool_num_copies_length = _pool_num_copies_length
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# Set the num_degraded and length
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pool_num_degraded[pool] = pool_stats['num_objects_degraded']
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_pool_num_degraded_length = len(str(pool_num_degraded[pool])) + 1
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if _pool_num_degraded_length > pool_num_degraded_length:
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pool_num_degraded_length = _pool_num_degraded_length
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# Set the write IOPS/data and length
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pool_write_ops[pool] = pool_stats['write_ops']
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_pool_write_ops_length = len(str(pool_write_ops[pool])) + 1
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if _pool_write_ops_length > pool_write_ops_length:
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pool_write_ops_length = _pool_write_ops_length
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pool_write_data[pool] = pool_stats['write_formatted']
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_pool_write_data_length = len(pool_write_data[pool]) + 1
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if _pool_write_data_length > pool_write_data_length:
|
||||
pool_write_data_length = _pool_write_data_length
|
||||
|
||||
# Set the read IOPS/data and length
|
||||
pool_read_ops[pool] = pool_stats['read_ops']
|
||||
_pool_read_ops_length = len(str(pool_read_ops[pool])) + 1
|
||||
if _pool_read_ops_length > pool_read_ops_length:
|
||||
pool_read_ops_length = _pool_read_ops_length
|
||||
pool_read_data[pool] = pool_stats['read_formatted']
|
||||
_pool_read_data_length = len(pool_read_data[pool]) + 1
|
||||
if _pool_read_data_length > pool_read_data_length:
|
||||
pool_read_data_length = _pool_read_data_length
|
||||
|
||||
# Format the output header
|
||||
pool_list_output_header = '{bold}\
|
||||
{pool_id: <{pool_id_length}} \
|
||||
{pool_name: <{pool_name_length}} \
|
||||
{pool_size: <{pool_size_length}} \
|
||||
Objects: {pool_objects: <{pool_objects_length}} \
|
||||
{pool_clones: <{pool_clones_length}} \
|
||||
{pool_copies: <{pool_copies_length}} \
|
||||
{pool_degraded: <{pool_degraded_length}} \
|
||||
Write: {pool_write_ops: <{pool_write_ops_length}} \
|
||||
{pool_write_data: <{pool_write_data_length}} \
|
||||
Read: {pool_read_ops: <{pool_read_ops_length}} \
|
||||
{pool_read_data: <{pool_read_data_length}} \
|
||||
{end_bold}'.format(
|
||||
bold=ansiprint.bold(),
|
||||
end_bold=ansiprint.end(),
|
||||
pool_id_length=pool_id_length,
|
||||
pool_name_length=pool_name_length,
|
||||
pool_size_length=pool_size_length,
|
||||
pool_objects_length=pool_num_objects_length,
|
||||
pool_clones_length=pool_num_clones_length,
|
||||
pool_copies_length=pool_num_copies_length,
|
||||
pool_degraded_length=pool_num_degraded_length,
|
||||
pool_write_ops_length=pool_write_ops_length,
|
||||
pool_write_data_length=pool_write_data_length,
|
||||
pool_read_ops_length=pool_read_ops_length,
|
||||
pool_read_data_length=pool_read_data_length,
|
||||
pool_id='ID',
|
||||
pool_name='Name',
|
||||
pool_size='Used',
|
||||
pool_objects='Count',
|
||||
pool_clones='Clones',
|
||||
pool_copies='Copies',
|
||||
pool_degraded='Degraded',
|
||||
pool_write_ops='OPS',
|
||||
pool_write_data='Data',
|
||||
pool_read_ops='OPS',
|
||||
pool_read_data='Data'
|
||||
)
|
||||
|
||||
for pool in pool_list:
|
||||
# Format the output header
|
||||
pool_list_output.append('{bold}\
|
||||
{pool_id: <{pool_id_length}} \
|
||||
{pool_name: <{pool_name_length}} \
|
||||
{pool_size: <{pool_size_length}} \
|
||||
{pool_objects: <{pool_objects_length}} \
|
||||
{pool_clones: <{pool_clones_length}} \
|
||||
{pool_copies: <{pool_copies_length}} \
|
||||
{pool_degraded: <{pool_degraded_length}} \
|
||||
{pool_write_ops: <{pool_write_ops_length}} \
|
||||
{pool_write_data: <{pool_write_data_length}} \
|
||||
{pool_read_ops: <{pool_read_ops_length}} \
|
||||
{pool_read_data: <{pool_read_data_length}} \
|
||||
{end_bold}'.format(
|
||||
bold=ansiprint.bold(),
|
||||
end_bold=ansiprint.end(),
|
||||
pool_id_length=pool_id_length,
|
||||
pool_name_length=pool_name_length,
|
||||
pool_size_length=pool_size_length,
|
||||
pool_objects_length=pool_num_objects_length,
|
||||
pool_clones_length=pool_num_clones_length,
|
||||
pool_copies_length=pool_num_copies_length,
|
||||
pool_degraded_length=pool_num_degraded_length,
|
||||
pool_write_ops_length=pool_write_ops_length,
|
||||
pool_write_data_length=pool_write_data_length,
|
||||
pool_read_ops_length=pool_read_ops_length,
|
||||
pool_read_data_length=pool_read_data_length,
|
||||
pool_id=pool_id[pool],
|
||||
pool_name=pool,
|
||||
pool_size=pool_size[pool],
|
||||
pool_objects=pool_num_objects[pool],
|
||||
pool_clones=pool_num_clones[pool],
|
||||
pool_copies=pool_num_copies[pool],
|
||||
pool_degraded=pool_num_degraded[pool],
|
||||
pool_write_ops=pool_write_ops[pool],
|
||||
pool_write_data=pool_write_data[pool],
|
||||
pool_read_ops=pool_read_ops[pool],
|
||||
pool_read_data=pool_read_data[pool]
|
||||
)
|
||||
)
|
||||
|
||||
output_string = pool_list_output_header + '\n' + '\n'.join(sorted(pool_list_output))
|
||||
return output_string
|
||||
|
||||
#
|
||||
# Direct functions
|
||||
#
|
||||
|
|
@ -259,49 +541,60 @@ 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)
|
||||
|
||||
# Verify target block device isn't in use
|
||||
block_osd = verifyOSDBlock(zk_conn, node, device)
|
||||
if block_osd:
|
||||
return False, 'ERROR: Block device {} on node {} is used by OSD {}'.format(device, node, block_osd)
|
||||
|
||||
# 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})
|
||||
add_osd_string = 'osd_add {},{}'.format(node, device)
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': add_osd_string})
|
||||
# Wait 1/2 second for the cluster to get the message and start working
|
||||
time.sleep(0.5)
|
||||
# Acquire a read lock, so we get the return exclusively
|
||||
lock = zkhandler.readlock(zk_conn, '/ceph/osd_cmd')
|
||||
lock = zkhandler.readlock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
result = zkhandler.readdata(zk_conn, '/ceph/osd_cmd').split()[0]
|
||||
if result == 'success-add':
|
||||
success = True
|
||||
else:
|
||||
try:
|
||||
result = zkhandler.readdata(zk_conn, '/ceph/cmd').split()[0]
|
||||
if result == 'success-osd_add':
|
||||
message = 'Created new OSD with block device {} on node {}.'.format(device, node)
|
||||
success = True
|
||||
else:
|
||||
message = 'ERROR: Failed to create new OSD; check node logs for details.'
|
||||
success = False
|
||||
except:
|
||||
message = 'ERROR: Command ignored by node.'
|
||||
success = False
|
||||
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': ''})
|
||||
|
||||
if success:
|
||||
return True, 'Created new OSD with block device {} on node {}.'.format(device, node)
|
||||
else:
|
||||
return False, 'Failed to create new OSD; check node logs for details.'
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': ''})
|
||||
return success, message
|
||||
|
||||
def remove_osd(zk_conn, osd_id):
|
||||
if not common.verifyOSD(zk_conn, osd_id):
|
||||
if not verifyOSD(zk_conn, osd_id):
|
||||
return False, 'ERROR: No OSD with ID "{}" is present in the cluster.'.format(osd_id)
|
||||
|
||||
# Tell the cluster to remove an OSD
|
||||
remove_osd_string = 'remove {}'.format(osd_id)
|
||||
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': remove_osd_string})
|
||||
remove_osd_string = 'osd_remove {}'.format(osd_id)
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': remove_osd_string})
|
||||
# Wait 1/2 second for the cluster to get the message and start working
|
||||
time.sleep(0.5)
|
||||
# Acquire a read lock, so we get the return exclusively
|
||||
lock = zkhandler.readlock(zk_conn, '/ceph/osd_cmd')
|
||||
lock = zkhandler.readlock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
result = zkhandler.readdata(zk_conn, '/ceph/osd_cmd').split()[0]
|
||||
if result == 'success-remove':
|
||||
success = True
|
||||
else:
|
||||
try:
|
||||
result = zkhandler.readdata(zk_conn, '/ceph/cmd').split()[0]
|
||||
if result == 'success-osd_remove':
|
||||
message = 'Removed OSD {} from the cluster.'.format(osd_id)
|
||||
success = True
|
||||
else:
|
||||
message = 'ERROR: Failed to remove OSD; check node logs for details.'
|
||||
success = False
|
||||
except:
|
||||
success = False
|
||||
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': ''})
|
||||
message = 'ERROR Command ignored by node.'
|
||||
|
||||
if success:
|
||||
return True, 'Removed OSD {} from the cluster.'.format(osd_id)
|
||||
else:
|
||||
return False, 'Failed to remove OSD; check node logs for details.'
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': ''})
|
||||
return success, message
|
||||
|
||||
def get_list_osd(zk_conn, limit):
|
||||
osd_list = []
|
||||
|
|
@ -332,3 +625,82 @@ def get_list_osd(zk_conn, limit):
|
|||
click.echo(output_string)
|
||||
|
||||
return True, ''
|
||||
|
||||
def add_pool(zk_conn, name, pgs):
|
||||
# Tell the cluster to create a new pool
|
||||
add_pool_string = 'pool_add {},{}'.format(name, pgs)
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': add_pool_string})
|
||||
# Wait 1/2 second for the cluster to get the message and start working
|
||||
time.sleep(0.5)
|
||||
# Acquire a read lock, so we get the return exclusively
|
||||
lock = zkhandler.readlock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
try:
|
||||
result = zkhandler.readdata(zk_conn, '/ceph/cmd').split()[0]
|
||||
if result == 'success-pool_add':
|
||||
message = 'Created new RBD pool {} with {} PGs.'.format(name, pgs)
|
||||
success = True
|
||||
else:
|
||||
message = 'ERROR: Failed to create new pool; check node logs for details.'
|
||||
success = False
|
||||
except:
|
||||
message = 'ERROR: Command ignored by node.'
|
||||
success = False
|
||||
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': ''})
|
||||
return success, message
|
||||
|
||||
def remove_pool(zk_conn, name):
|
||||
# Tell the cluster to create a new pool
|
||||
remove_pool_string = 'pool_remove {}'.format(name)
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': remove_pool_string})
|
||||
# Wait 1/2 second for the cluster to get the message and start working
|
||||
time.sleep(0.5)
|
||||
# Acquire a read lock, so we get the return exclusively
|
||||
lock = zkhandler.readlock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
try:
|
||||
result = zkhandler.readdata(zk_conn, '/ceph/cmd').split()[0]
|
||||
if result == 'success-pool_remove':
|
||||
message = 'Removed RBD pool {} and all volumes.'.format(name, pgs)
|
||||
success = True
|
||||
else:
|
||||
message = 'ERROR: Failed to remove pool; check node logs for details.'
|
||||
success = False
|
||||
except:
|
||||
message = 'ERROR: Command ignored by node.'
|
||||
success = False
|
||||
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': ''})
|
||||
return success, message
|
||||
|
||||
def get_list_pool(zk_conn, limit):
|
||||
pool_list = []
|
||||
full_pool_list = getCephPools(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 pool in full_pool_list:
|
||||
valid_pool = False
|
||||
if limit:
|
||||
if re.match(limit, pool['pool_id']) != None:
|
||||
valid_pool = True
|
||||
else:
|
||||
valid_pool = True
|
||||
|
||||
if valid_pool:
|
||||
pool_list.append(pool)
|
||||
|
||||
output_string = formatPoolList(zk_conn, pool_list)
|
||||
click.echo(output_string)
|
||||
|
||||
return True, ''
|
||||
|
||||
|
|
|
|||
|
|
@ -175,15 +175,6 @@ def verifyNode(zk_conn, node):
|
|||
else:
|
||||
return False
|
||||
|
||||
#
|
||||
# Verify OSD is valid in cluster
|
||||
#
|
||||
def verifyOSD(zk_conn, osd_id):
|
||||
if zkhandler.exists(zk_conn, '/ceph/osds/{}'.format(osd_id)):
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
#
|
||||
# Get the primary coordinator node
|
||||
#
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@ WorkingDirectory = /usr/share/pvc
|
|||
Environment = PYTHONUNBUFFERED=true
|
||||
Environment = PVCD_CONFIG_FILE=/etc/pvc/pvcd.conf
|
||||
ExecStart = /usr/share/pvc/pvcd.py
|
||||
Restart = on-failure
|
||||
Restart = never
|
||||
|
||||
[Install]
|
||||
WantedBy = multi-user.target
|
||||
|
|
|
|||
|
|
@ -30,10 +30,6 @@ import pvcd.zkhandler as zkhandler
|
|||
import pvcd.fencing as fencing
|
||||
import pvcd.common as common
|
||||
|
||||
class CephInstance(object):
|
||||
def __init__(self):
|
||||
pass
|
||||
|
||||
class CephOSDInstance(object):
|
||||
def __init__(self, zk_conn, this_node, osd_id):
|
||||
self.zk_conn = zk_conn
|
||||
|
|
@ -149,6 +145,7 @@ def add_osd(zk_conn, logger, node, device):
|
|||
zkhandler.writedata(zk_conn, {
|
||||
'/ceph/osds/{}'.format(osd_id): '',
|
||||
'/ceph/osds/{}/node'.format(osd_id): node,
|
||||
'/ceph/osds/{}/device'.format(osd_id): device,
|
||||
'/ceph/osds/{}/stats'.format(osd_id): '{}'
|
||||
})
|
||||
|
||||
|
|
@ -186,7 +183,6 @@ def remove_osd(zk_conn, logger, osd_id, osd_obj):
|
|||
for osd in dump_string:
|
||||
if str(osd['osd']) == osd_id:
|
||||
osd_string = osd
|
||||
print(osd_string)
|
||||
num_pgs = osd_string['num_pgs']
|
||||
if num_pgs > 0:
|
||||
time.sleep(5)
|
||||
|
|
@ -245,6 +241,99 @@ def remove_osd(zk_conn, logger, osd_id, osd_obj):
|
|||
logger.out('Failed to purge OSD disk with ID {}: {}'.format(osd_id, e), state='e')
|
||||
return False
|
||||
|
||||
class CephPool(object):
|
||||
def __init__(self):
|
||||
pass
|
||||
class CephPoolInstance(object):
|
||||
def __init__(self, zk_conn, this_node, name):
|
||||
self.zk_conn = zk_conn
|
||||
self.this_node = this_node
|
||||
self.name = name
|
||||
self.pgs = ''
|
||||
self.stats = dict()
|
||||
|
||||
@self.zk_conn.DataWatch('/ceph/pools/{}/pgs'.format(self.name))
|
||||
def watch_pool_node(data, stat, event=''):
|
||||
if event and event.type == 'DELETED':
|
||||
# The key has been deleted after existing before; terminate this watcher
|
||||
# because this class instance is about to be reaped in Daemon.py
|
||||
return False
|
||||
|
||||
try:
|
||||
data = data.decode('ascii')
|
||||
except AttributeError:
|
||||
data = ''
|
||||
|
||||
if data and data != self.pgs:
|
||||
self.pgs = data
|
||||
|
||||
@self.zk_conn.DataWatch('/ceph/pools/{}/stats'.format(self.name))
|
||||
def watch_pool_stats(data, stat, event=''):
|
||||
if event and event.type == 'DELETED':
|
||||
# The key has been deleted after existing before; terminate this watcher
|
||||
# because this class instance is about to be reaped in Daemon.py
|
||||
return False
|
||||
|
||||
try:
|
||||
data = data.decode('ascii')
|
||||
except AttributeError:
|
||||
data = ''
|
||||
|
||||
if data and data != self.stats:
|
||||
self.stats = json.loads(data)
|
||||
|
||||
def add_pool(zk_conn, logger, name, pgs):
|
||||
# We are ready to create a new pool on this node
|
||||
logger.out('Creating new RBD pool {}'.format(name), state='i')
|
||||
try:
|
||||
# 1. Create the pool
|
||||
retcode, stdout, stderr = common.run_os_command('ceph osd pool create {} {} replicated'.format(name, pgs))
|
||||
if retcode:
|
||||
print('ceph osd pool create')
|
||||
print(stdout)
|
||||
print(stderr)
|
||||
raise
|
||||
|
||||
# 2. Enable RBD application
|
||||
retcode, stdout, stderr = common.run_os_command('ceph osd pool application enable {} rbd'.format(name))
|
||||
if retcode:
|
||||
print('ceph osd pool application enable')
|
||||
print(stdout)
|
||||
print(stderr)
|
||||
raise
|
||||
|
||||
# 3. Add the new pool to ZK
|
||||
zkhandler.writedata(zk_conn, {
|
||||
'/ceph/pools/{}'.format(name): '',
|
||||
'/ceph/pools/{}/pgs'.format(name): pgs,
|
||||
'/ceph/pools/{}/stats'.format(name): '{}'
|
||||
})
|
||||
|
||||
# Log it
|
||||
logger.out('Created new RBD pool {}'.format(name), state='o')
|
||||
return True
|
||||
except Exception as e:
|
||||
# Log it
|
||||
logger.out('Failed to create new RBD pool {}: {}'.format(name, e), state='e')
|
||||
return False
|
||||
|
||||
def remove_pool(zk_conn, logger, name):
|
||||
# We are ready to create a new pool on this node
|
||||
logger.out('Removing RBD pool {}'.format(name), state='i')
|
||||
try:
|
||||
# Delete pool from ZK
|
||||
zkhandler.deletekey(zk_conn, '/ceph/pools/{}'.format(name))
|
||||
|
||||
# Remove the pool
|
||||
retcode, stdout, stderr = common.run_os_command('ceph osd pool rm {pool} {pool} --yes-i-really-really-mean-it'.format(pool=name))
|
||||
if retcode:
|
||||
print('ceph osd pool rm')
|
||||
print(stdout)
|
||||
print(stderr)
|
||||
raise
|
||||
|
||||
# Log it
|
||||
logger.out('Removed RBD pool {}'.format(name), state='o')
|
||||
return True
|
||||
except Exception as e:
|
||||
# Log it
|
||||
logger.out('Failed to remove RBD pool {}: {}'.format(name, e), state='e')
|
||||
return False
|
||||
|
||||
|
|
|
|||
|
|
@ -525,10 +525,12 @@ d_node = dict()
|
|||
d_network = dict()
|
||||
d_domain = dict()
|
||||
d_osd = dict()
|
||||
d_pool = dict()
|
||||
node_list = []
|
||||
network_list = []
|
||||
domain_list = []
|
||||
osd_list = []
|
||||
pool_list = []
|
||||
|
||||
# Create an instance of the DNS Aggregator if we're a coordinator
|
||||
if config['daemon_mode'] == 'coordinator':
|
||||
|
|
@ -654,8 +656,8 @@ def update_domains(new_domain_list):
|
|||
d_node[node].update_domain_list(d_domain)
|
||||
|
||||
# Ceph OSD provisioning key
|
||||
@zk_conn.DataWatch('/ceph/osd_cmd')
|
||||
def osd_cmd(data, stat, event=''):
|
||||
@zk_conn.DataWatch('/ceph/cmd')
|
||||
def cmd(data, stat, event=''):
|
||||
if data:
|
||||
data = data.decode('ascii')
|
||||
else:
|
||||
|
|
@ -666,41 +668,84 @@ def osd_cmd(data, stat, event=''):
|
|||
command, args = data.split()
|
||||
|
||||
# Adding a new OSD
|
||||
if command == 'add':
|
||||
if command == 'osd_add':
|
||||
node, device = args.split(',')
|
||||
if node == this_node.name:
|
||||
# Lock the command queue
|
||||
lock = zkhandler.writelock(zk_conn, '/ceph/osd_cmd')
|
||||
lock = zkhandler.writelock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
# Add the OSD
|
||||
result = CephInstance.add_osd(zk_conn, logger, node, device)
|
||||
# Command succeeded
|
||||
if result:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': 'success-{}'.format(data)})
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'success-{}'.format(data)})
|
||||
# Command failed
|
||||
else:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': 'failure-{}'.format(data)})
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'failure-{}'.format(data)})
|
||||
# Wait 0.5 seconds before we free the lock, to ensure the client hits the lock
|
||||
time.sleep(0.5)
|
||||
# Removing an OSD
|
||||
elif command == 'remove':
|
||||
elif command == 'osd_remove':
|
||||
osd_id = args
|
||||
|
||||
# Verify osd_id is in the list
|
||||
if d_osd[osd_id] and d_osd[osd_id].node == this_node.name:
|
||||
# Lock the command queue
|
||||
lock = zkhandler.writelock(zk_conn, '/ceph/osd_cmd')
|
||||
lock = zkhandler.writelock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
# Remove the OSD
|
||||
result = CephInstance.remove_osd(zk_conn, logger, osd_id, d_osd[osd_id])
|
||||
# Command succeeded
|
||||
if result:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': 'success-{}'.format(data)})
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'success-{}'.format(data)})
|
||||
# Command failed
|
||||
else:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/osd_cmd': 'failure-{}'.format(data)})
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'failure-{}'.format(data)})
|
||||
# Wait 0.5 seconds before we free the lock, to ensure the client hits the lock
|
||||
time.sleep(0.5)
|
||||
# Adding a new pool
|
||||
if command == 'pool_add':
|
||||
name, pgs = args.split(',')
|
||||
if this_node.router_state == 'primary':
|
||||
# Lock the command queue
|
||||
lock = zkhandler.writelock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
# Add the pool
|
||||
result = CephInstance.add_pool(zk_conn, logger, name, pgs)
|
||||
# Command succeeded
|
||||
if result:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'success-{}'.format(data)})
|
||||
# Command failed
|
||||
else:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'failure-{}'.format(data)})
|
||||
# Wait 0.5 seconds before we free the lock, to ensure the client hits the lock
|
||||
time.sleep(0.5)
|
||||
# Removing a pool
|
||||
elif command == 'pool_remove':
|
||||
name = args
|
||||
|
||||
if this_node.router_state == 'primary':
|
||||
# Lock the command queue
|
||||
lock = zkhandler.writelock(zk_conn, '/ceph/cmd')
|
||||
with lock:
|
||||
# Remove the pool
|
||||
result = CephInstance.remove_pool(zk_conn, logger, name)
|
||||
# Command succeeded
|
||||
if result:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'success-{}'.format(data)})
|
||||
# Command failed
|
||||
else:
|
||||
# Update the command queue
|
||||
zkhandler.writedata(zk_conn, {'/ceph/cmd': 'failure-{}'.format(data)})
|
||||
# Wait 0.5 seconds before we free the lock, to ensure the client hits the lock
|
||||
time.sleep(0.5)
|
||||
|
||||
# OSD objects
|
||||
@zk_conn.ChildrenWatch('/ceph/osds')
|
||||
|
|
@ -722,6 +767,26 @@ def update_osds(new_osd_list):
|
|||
osd_list = new_osd_list
|
||||
logger.out('{}OSD list:{} {}'.format(logger.fmt_blue, logger.fmt_end, ' '.join(osd_list)), state='i')
|
||||
|
||||
# Pool objects
|
||||
@zk_conn.ChildrenWatch('/ceph/pools')
|
||||
def update_pools(new_pool_list):
|
||||
global pool_list, d_pool
|
||||
|
||||
# Add any missing Pools to the list
|
||||
for pool in new_pool_list:
|
||||
if not pool in pool_list:
|
||||
d_pool[pool] = CephInstance.CephPoolInstance(zk_conn, this_node, pool)
|
||||
|
||||
# Remove any deleted Pools from the list
|
||||
for pool in pool_list:
|
||||
if not pool in new_pool_list:
|
||||
# Delete the object
|
||||
del(d_pool[pool])
|
||||
|
||||
# Update and print new list
|
||||
pool_list = new_pool_list
|
||||
logger.out('{}Pool list:{} {}'.format(logger.fmt_blue, logger.fmt_end, ' '.join(pool_list)), state='i')
|
||||
|
||||
###############################################################################
|
||||
# PHASE 9 - Run the daemon
|
||||
###############################################################################
|
||||
|
|
@ -764,6 +829,36 @@ def update_zookeeper():
|
|||
logger.out('Failed to set Ceph status data', state='e')
|
||||
return
|
||||
|
||||
# Set pool information in zookeeper (primary only)
|
||||
if this_node.router_state == 'primary':
|
||||
# Get pool info
|
||||
pool_df = dict()
|
||||
retcode, stdout, stderr = common.run_os_command('rados df --format json')
|
||||
pool_df_raw = json.loads(stdout)['pools']
|
||||
for pool in pool_df_raw:
|
||||
pool_df.update({
|
||||
str(pool['name']): {
|
||||
'id': pool['id'],
|
||||
'size_bytes': pool['size_bytes'],
|
||||
'num_objects': pool['num_objects'],
|
||||
'num_object_clones': pool['num_object_clones'],
|
||||
'num_object_copies': pool['num_object_copies'],
|
||||
'num_objects_missing_on_primary': pool['num_objects_missing_on_primary'],
|
||||
'num_objects_unfound': pool['num_objects_unfound'],
|
||||
'num_objects_degraded': pool['num_objects_degraded'],
|
||||
'read_ops': pool['read_ops'],
|
||||
'read_bytes': pool['read_bytes'],
|
||||
'write_ops': pool['write_ops'],
|
||||
'write_bytes': pool['write_bytes']
|
||||
}
|
||||
})
|
||||
|
||||
# Trigger updates for each OSD on this node
|
||||
for pool in pool_list:
|
||||
zkhandler.writedata(zk_conn, {
|
||||
'/ceph/pools/{}/stats'.format(pool): str(json.dumps(pool_df[pool]))
|
||||
})
|
||||
|
||||
# Get data from Ceph OSDs
|
||||
# Parse the dump data
|
||||
osd_dump = dict()
|
||||
|
|
@ -779,6 +874,18 @@ def update_zookeeper():
|
|||
'primary_affinity': osd['primary_affinity']
|
||||
}
|
||||
})
|
||||
# Parse the df data
|
||||
osd_df = dict()
|
||||
retcode, stdout, stderr = common.run_os_command('ceph osd df --format json')
|
||||
osd_df_raw = json.loads(stdout)['nodes']
|
||||
for osd in osd_df_raw:
|
||||
osd_df.update({
|
||||
str(osd['id']): {
|
||||
'utilization': osd['utilization'],
|
||||
'var': osd['var'],
|
||||
'pgs': osd['pgs'],
|
||||
}
|
||||
})
|
||||
# Parse the status data
|
||||
osd_status = dict()
|
||||
retcode, stdout, stderr = common.run_os_command('ceph osd status')
|
||||
|
|
@ -814,6 +921,7 @@ def update_zookeeper():
|
|||
osd_stats = dict()
|
||||
for osd in osd_list:
|
||||
this_dump = osd_dump[osd]
|
||||
this_dump.update(osd_df[osd])
|
||||
this_dump.update(osd_status[osd])
|
||||
osd_stats[osd] = this_dump
|
||||
|
||||
|
|
@ -938,13 +1046,15 @@ def update_zookeeper():
|
|||
logger.out(
|
||||
'{bold}Ceph cluster status:{nofmt} {health_colour}{health}{nofmt} '
|
||||
'{bold}Total OSDs:{nofmt} {total_osds} '
|
||||
'{bold}Node OSDs:{nofmt} {node_osds}'.format(
|
||||
'{bold}Node OSDs:{nofmt} {node_osds} '
|
||||
'{bold}Pools:{nofmt} {total_pools} '.format(
|
||||
bold=logger.fmt_bold,
|
||||
health_colour=ceph_health_colour,
|
||||
nofmt=logger.fmt_end,
|
||||
health=ceph_health,
|
||||
total_osds=len(osd_list),
|
||||
node_osds=osds_this_node
|
||||
node_osds=osds_this_node,
|
||||
total_pools=len(pool_list)
|
||||
),
|
||||
)
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue