def __init__(self, log):

self.log = log

def seg(self, k, v):

# Parse ('some_stat_x_y', 'v') into (('some_stat', x, y), v)

ka = k.split('_')

k = '_'.join(ka[0:-1])

kstart, kend = [int(x) for x in ka[-1].split(',')]

return ((k, kstart, kend), int(v))

def write_file(self, filename, info):

f = open(filename, 'w')

print >> f, util.pretty_print(info)

f.close()

def retrieve_node_stats(self, nodeInfo, nodeStats):

nodeStats['portDirect'] = nodeInfo['ports']['direct']

nodeStats['portProxy'] = nodeInfo['ports']['proxy']

nodeStats['clusterMembership'] = nodeInfo['clusterMembership']

nodeStats['os'] = nodeInfo['os']

nodeStats['uptime'] = nodeInfo['uptime']

nodeStats['version'] = nodeInfo['version']

#memory

nodeStats['memory'] = {}

nodeStats['memory']['allocated'] = nodeInfo['mcdMemoryAllocated']

nodeStats['memory']['reserved'] = nodeInfo['mcdMemoryReserved']

nodeStats['memory']['free'] = nodeInfo['memoryFree']

nodeStats['memory']['quota'] = nodeInfo['memoryQuota']

nodeStats['memory']['total'] = nodeInfo['memoryTotal']

#storageInfo

nodeStats['StorageInfo'] = {}

if nodeInfo['storageTotals'] is not None:

#print nodeInfo

hdd = nodeInfo['storageTotals']['hdd']

if hdd is not None:

nodeStats['StorageInfo']['hdd'] = {}

nodeStats['StorageInfo']['hdd']['free'] = hdd['free']

nodeStats['StorageInfo']['hdd']['quotaTotal'] = hdd['quotaTotal']

nodeStats['StorageInfo']['hdd']['total'] = hdd['total']

nodeStats['StorageInfo']['hdd']['used'] = hdd['used']

nodeStats['StorageInfo']['hdd']['usedByData'] = hdd['usedByData']

ram = nodeInfo['storageTotals']['ram']

if ram is not None:

nodeStats['StorageInfo']['ram'] = {}

nodeStats['StorageInfo']['ram']['quotaTotal'] = ram['quotaTotal']

nodeStats['StorageInfo']['ram']['total'] = ram['total']

nodeStats['StorageInfo']['ram']['used'] = ram['used']

nodeStats['StorageInfo']['ram']['usedByData'] = ram['usedByData']

if ram.has_key('quotaUsed'):

nodeStats['StorageInfo']['ram']['quotaUsed'] = ram['quotaUsed']

else:

nodeStats['StorageInfo']['ram']['quotaUsed'] = 0

#system stats

nodeStats['systemStats'] = {}

nodeStats['systemStats']['cpu_utilization_rate'] = nodeInfo['systemStats']['cpu_utilization_rate']

nodeStats['systemStats']['swap_total'] = nodeInfo['systemStats']['swap_total']

nodeStats['systemStats']['swap_used'] = nodeInfo['systemStats']['swap_used']

curr_items = 0

curr_items_tot = 0

vb_rep_curr_items = 0

if nodeInfo['interestingStats'] is not None:

if nodeInfo['interestingStats'].has_key('curr_items'):

curr_items = nodeInfo['interestingStats']['curr_items']

else:

curr_items = 0

if nodeInfo['interestingStats'].has_key('curr_items_tot'):

curr_items_tot = nodeInfo['interestingStats']['curr_items_tot']

else:

curr_items_tot = 0

if nodeInfo['interestingStats'].has_key('vb_replica_curr_items'):

vb_rep_curr_items = nodeInfo['interestingStats']['vb_replica_curr_items']

else:

vb_rep_curr_items = 0

nodeStats['systemStats']['currentItems'] = curr_items

nodeStats['systemStats']['currentItemsTotal'] = curr_items_tot

nodeStats['systemStats']['replicaCurrentItems'] = vb_rep_curr_items

def get_hostlist(self, server, port, user, password, opts):

try:

opts.append(("-o", "return"))

nodes = listservers.ListServers().runCmd('host-list', server, port, user, password, opts)

for node in nodes:

(node_server, node_port) = util.hostport(node['hostname'])

node_stats = {"host" : node_server,

"port" : node_port,

"status" : node['status'],

"master" : server}

stats_buffer.nodes[node['hostname']] = node_stats

if node['status'] == 'healthy':

node_info = info.Info().runCmd('get-server-info', node_server, node_port, user, password, opts)

self.retrieve_node_stats(node_info, node_stats)

else:

self.log.error("Unhealthy node: %s:%s" %(node_server, node['status']))

return nodes

except Exception, err:

traceback.print_exc()

sys.exit(1)

def get_bucketlist(self, server, port, user, password, bucketname, opts):

try:

bucketlist = buckets.Buckets().runCmd('bucket-get', server, port, user, password, opts)

for bucket in bucketlist:

bucket_name = bucket['name']

if bucketname == 'all' or bucket_name == bucketname:

bucketinfo = {}

bucketinfo['name'] = bucket_name

bucketinfo['bucketType'] = bucket['bucketType']

bucketinfo['authType'] = bucket['authType']

bucketinfo['saslPassword'] = bucket['saslPassword']

bucketinfo['numReplica'] = bucket['replicaNumber']

bucketinfo['ramQuota'] = bucket['quota']['ram']

bucketinfo['master'] = server

bucketStats = bucket['basicStats']

bucketinfo['bucketStats'] = {}

for key in bucketStats.iterkeys():

bucketinfo['bucketStats'][key] = bucketStats[key]

stats_buffer.bucket_info[bucket_name] = bucketinfo

# get bucket related stats

c = buckets.BucketStats(bucket_name)

json = c.runCmd('bucket-stats', server, port, user, password, opts)

stats_buffer.buckets_summary[bucket_name] = json

return bucketlist

except Exception, err:

traceback.print_exc()

sys.exit(1)

def get_mc_stats_per_node(self, mc, stats):

cmd_list = ["timings", "tap", "checkpoint", "memory", ""]

#cmd_list = ["tap"]

try:

for cmd in cmd_list:

node_stats = mc.stats(cmd)

if node_stats:

if cmd == "timings":

# need to preprocess histogram data first

vals = sorted([self.seg(*kv) for kv in node_stats.items()])

dd = {}

totals = {}

longest = 0

for s in vals:

avg = (s[0][1] + s[0][2]) / 2

k = s[0][0]

l = dd.get(k, [])

l.append((avg, s[1]))

dd[k] = l

totals[k] = totals.get(k, 0) + s[1]

for k in sorted(dd):

ccount = 0

for lbl,v in dd[k]:

ccount += v * lbl

stats[k] = ccount / totals[k]

else:

for key, val in node_stats.items():

stats[key] = val

except Exception, err:

traceback.print_exc()

def get_mc_stats(self, server, bucketlist, nodes, bucketname):

for bucket in bucketlist:

bucket_name = bucket['name']

if bucketname == 'all' or bucket_name == bucketname:

self.log.info("bucket: %s" % bucket_name)

stats_buffer.node_stats[bucket_name] = {}

if stats_buffer.bucket_info[bucket_name]["bucketType"] == 'memcached':

self.log.info("Skip memcached bucket: %s" % bucket_name)

continue

for node in nodes:

(node_server, node_port) = util.hostport(node['hostname'])

self.log.info(" node: %s %s" % (node_server, node['ports']['direct']))

if node['status'] == 'healthy':

try:

stats = {}

mc = mc_bin_client.MemcachedClient(node_server, node['ports']['direct'])

if bucket["name"] != "Default":

mc.sasl_auth_plain(bucket_name.encode("utf8"), bucket["saslPassword"].encode("utf8"))

self.get_mc_stats_per_node(mc, stats)

stats_buffer.node_stats[bucket_name][node['hostname']] = stats

except Exception, err:

stats_buffer.nodes[node['hostname']]['status'] = 'down'

traceback.print_exc()

def get_ns_stats(self, bucketlist, server, port, user, password, bucketname, opts):

for bucket in bucketlist:

bucket_name = bucket['name']

if bucketname == 'all' or bucket_name == bucketname:

stats_buffer.buckets[bucket_name] = copy.deepcopy(stats_buffer.stats)

cmd = 'bucket-node-stats'

for scale, stat_set in stats_buffer.buckets[bucket_name].iteritems():

for stat in stat_set.iterkeys():

try :

sys.stderr.write('.')

self.log.debug("retrieve: %s" % stat)

c = buckets.BucketNodeStats(bucket_name, stat, scale)

json = c.runCmd('bucket-node-stats', server, port, user, password, opts)

stats_buffer.buckets[bucket_name][scale][stat] = json

except Exception, err:

traceback.print_exc()

sys.stderr.write('\n')

def collect_data(self, bucketname, cluster, user, password, inputfile, opts):

if not inputfile:

server, port = util.hostport(cluster)

#get node list info

nodes = self.get_hostlist(server, port, user, password, opts)

self.log.debug(util.pretty_print(stats_buffer.nodes))

#get bucket list

bucketlist = self.get_bucketlist(server, port, user, password, bucketname, opts)

self.log.debug(util.pretty_print(stats_buffer.bucket_info))

self.log.debug(util.pretty_print(stats_buffer.buckets_summary))

#get stats from ep-engine

self.get_mc_stats(server, bucketlist, nodes, bucketname)

self.log.debug(util.pretty_print(stats_buffer.node_stats))

#get stats from ns-server

self.get_ns_stats(bucketlist, server, port, user, password, bucketname, opts)

self.log.debug(util.pretty_print(stats_buffer.buckets))

collected_data = {}

collected_data["nodes"] = stats_buffer.nodes

collected_data["bucket_info"] = stats_buffer.bucket_info

collected_data["buckets_summary"] = stats_buffer.buckets_summary

collected_data["node_stats"] = stats_buffer.node_stats

collected_data["buckets"] = stats_buffer.buckets

self.write_file("stats.json", collected_data)

else:

import json

json_data=open(inputfile)

collected_data = json.load(json_data)

json_data.close()

stats_buffer.nodes = collected_data["nodes"]

stats_buffer.bucket_info = collected_data["bucket_info"]

stats_buffer.buckets_summary = collected_data["buckets_summary"]

stats_buffer.node_stats = collected_data["node_stats"]

stats_buffer.buckets = collected_data["buckets"]