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UserUtil.py
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UserUtil.py
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#!/usr/bin/python
import ConfigParser
import operator
from collections import namedtuple
from funcs import *
from Config import *
from HdfsUtil import *
from PostgresUtil import *
class UserUtil:
def __init__(self, conf):
self.conf = conf
self.hdfsUtil = HdfsUtil(conf)
self.pgUtil = PostgresUtil(conf)
def printReport(self):
self.printUserSpaceQuotas()
self.printUserINodeQuotas()
self.printTopKSpaceUsers()
self.printTopKINodeUsers()
def printUserSpaceQuotas(self):
printInfo("Getting space quota status for users")
quotas = self.hdfsUtil.getSpaceQuotas(self.getUserDirectories())
if len(quotas) == 0:
printInfo("No user directories found in HDFS")
return
quotas.sort()
self.__printUserSpaceQuotasInserts(quotas)
row = namedtuple('Row', ['Directory', 'Quota', 'Remaining', 'QuotaHR', 'RemainingHR'])
toPrint = []
for (directory, quota, remainingQuota) in quotas:
quotaHR = bytes2human(quota) if quota != 'none' else quota
# Sometimes the remaining quota is negative...
if remainingQuota != 'inf':
if long(remainingQuotaHR) < 0:
remainingQuotaHR = "-" + bytes2human(-long(remainingQuota))
else:
remainingQuotaHR = bytes2human(remainingQuota)
else:
remainingQuotaHR = remainingQuota
toPrint.append(row(directory, quota, remainingQuota, quotaHR, remainingQuotaHR))
pprinttable(toPrint)
def __printUserSpaceQuotasInserts(self, quotas):
for (directory, quota, remainingQuota) in quotas:
row = UserSpaceQuotaRow()
row.username = directory[6:]
row.dir = directory
if not quota == 'none':
row.quota = int(quota)
row.quotaRemaining = int(remainingQuota)
row.quotaUsed = row.quota - row.quotaRemaining
else:
row.quota = None
row.quotaRemaining = None
row.quotaUsed = None
self.pgUtil.writeInsert(row)
def printUserINodeQuotas(self):
printInfo("Getting inode quota status for users")
quotas = self.hdfsUtil.getINodeQuotas(self.getUserDirectories())
if len(quotas) == 0:
printInfo("No user directories found in HDFS")
return
quotas.sort()
self.__printUserINodeQuotasInserts(quotas)
row = namedtuple('Row', ['Directory', 'Quota', 'Remaining'])
toPrint = []
for (directory, quota, remainingQuota) in quotas:
toPrint.append(row(directory, quota, remainingQuota))
pprinttable(toPrint)
def __printUserINodeQuotasInserts(self, quotas):
for (directory, quota, remainingQuota) in quotas:
row = UserINodeQuotaRow()
row.username = directory[6:]
row.dir = directory
if not quota == 'none':
row.quota = int(quota)
row.quotaRemaining = int(remainingQuota)
row.quotaUsed = row.quota - row.quotaRemaining
else:
row.quota = None
row.quotaRemaining = None
row.quotaUsed = None
self.pgUtil.writeInsert(row)
def printUserSpaceQuota(self, user):
printInfo("Getting space quota status for user %s" % (user))
quotas = self.hdfsUtil.getSpaceQuotas(["/user/%s" % (user)])
if len(quotas) == 0:
printInfo("Directory for user %s not found in HDFS" % (quotas))
return
row = namedtuple('Row', ['Directory', 'Quota', 'Remaining', 'QuotaHR', 'RemainingHR'])
toPrint = []
for (directory, quota, remainingQuota) in quotas:
quotaHR = bytes2human(quota) if quota != 'none' else quota
remainingQuotaHR = bytes2human(remainingQuota) if remainingQuota != 'inf' else remainingQuota
toPrint.append(row(directory, quota, remainingQuota, quotaHR, remainingQuotaHR))
pprinttable(toPrint)
def printUserINodeQuota(self, user):
printInfo("Getting inode quota status for user %s" % (user))
quotas = self.hdfsUtil.getINodeQuotas(["/user/%s" % (user)])
if len(quotas) == 0:
printInfo("Directory for user %s not found in HDFS" % (quotas))
return
row = namedtuple('Row', ['Directory', 'Quota', 'Remaining'])
toPrint = []
for (directory, quota, remainingQuota) in quotas:
toPrint.append(row(directory, quota, remainingQuota))
pprinttable(toPrint)
def printTopKSpaceUsers(self):
k = self.conf.get(Config.REPORTER_K)
printInfo("Getting top %s space users" % (k))
sizes = self.hdfsUtil.getDirSizes(['/user'])
if len(sizes) == 0:
printInfo("No user directories found in HDFS")
return
sizes.sort(key=operator.itemgetter(1), reverse=True)
if len(sizes) > k:
sizes = sizes[0:k]
self.__printTopKSpaceInserts(sizes)
row = namedtuple('Row', ['User', 'Size', 'SizeHR'])
toPrint = []
for (dir, size) in sizes:
sizeHR = bytes2human(size)
toPrint.append(row(dir, str(size), str(sizeHR)))
pprinttable(toPrint)
def __printTopKSpaceInserts(self, sizes):
for (dir, size) in sizes:
row = UserSpaceSizeRow()
row.username = dir[6:]
row.dir = dir
row.size = size
self.pgUtil.writeInsert(row)
def printTopKINodeUsers(self):
k = self.conf.get(Config.REPORTER_K)
printInfo("Getting top %s inode users" % (k))
counts = self.hdfsUtil.getINodeCounts(self.getUserDirectories())
if len(counts) == 0:
printInfo("No user directories found in HDFS")
return
counts.sort(key=operator.itemgetter(1), reverse=True)
if len(counts) > k:
counts = counts[0:k]
self.__printTopKINodeUsersInserts(counts)
row = namedtuple('Row', ['User', 'INodes'])
toPrint = []
for (dir, count) in counts:
toPrint.append(row(dir, str(count)))
pprinttable(toPrint)
def __printTopKINodeUsersInserts(self, counts):
for (dir, count) in counts:
row = UserINodeSizeRow()
row.username = dir[6:]
row.dir = dir
row.size = count
self.pgUtil.writeInsert(row)
def setUserSpaceQuota(self, user, quota):
if user == self.conf.get(Config.USER_DIR_BLACKLIST).split():
printError("User %s is in the blacklist. Remove to set quota" % (db))
return
self.hdfsUtil.setSpaceQuotas(["/user/%s" % (user)], quota)
def clearUserSpaceQuota(self, user):
self.hdfsUtil.clearSpaceQuotas(["/user/%s" % (user)])
def setUserINodeQuota(self, user, quota):
if user == self.conf.get(Config.USER_DIR_BLACKLIST).split():
printError("User %s is in the blacklist. Remove to set quota" % (db))
return
self.hdfsUtil.setINodeQuotas(["/user/%s" % (user)], quota)
def clearUserINodeQuota(self, user):
self.hdfsUtil.clearINodeQuotas(["/user/%s" % (user)])
def getUserDirectories(self):
return self.hdfsUtil.listDirs(['/user'])