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#!/usr/bin/python3
import logging as log
import time
import subprocess
import json
import boto3
import botocore.exceptions
import os
"""
Rgw manual and dynamic resharding testing against a running instance
"""
# The test cases in this file have been annotated for inventory.
# To extract the inventory (in csv format) use the command:
#
# grep '^ *# TESTCASE' | sed 's/^ *# TESTCASE //'
#
#
log.basicConfig(level=log.DEBUG)
log.getLogger('botocore').setLevel(log.CRITICAL)
log.getLogger('boto3').setLevel(log.CRITICAL)
log.getLogger('urllib3').setLevel(log.CRITICAL)
""" Constants """
USER = 'tester'
DISPLAY_NAME = 'Testing'
ACCESS_KEY = 'NX5QOQKC6BH2IDN8HC7A'
SECRET_KEY = 'LnEsqNNqZIpkzauboDcLXLcYaWwLQ3Kop0zAnKIn'
BUCKET_NAME1 = 'myfoo'
BUCKET_NAME2 = 'mybar'
VER_BUCKET_NAME = 'myver'
INDEX_POOL = 'default.rgw.buckets.index'
def exec_cmd(cmd):
try:
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
out, err = proc.communicate()
if proc.returncode == 0:
log.info('command succeeded')
if out is not None: log.info(out)
return out
else:
raise Exception("error: %s \nreturncode: %s" % (err, proc.returncode))
except Exception as e:
log.error('command failed')
log.error(e)
return False
class BucketStats:
def __init__(self, bucket_name, bucket_id, num_objs=0, size_kb=0, num_shards=0):
self.bucket_name = bucket_name
self.bucket_id = bucket_id
self.num_objs = num_objs
self.size_kb = size_kb
self.num_shards = num_shards if num_shards > 0 else 1
def get_num_shards(self):
self.num_shards = get_bucket_num_shards(self.bucket_name, self.bucket_id)
def get_bucket_stats(bucket_name):
"""
function to get bucket stats
"""
cmd = exec_cmd("radosgw-admin bucket stats --bucket %s" % bucket_name)
json_op = json.loads(cmd)
bucket_id = json_op['id']
num_shards_op = json_op['num_shards']
if len(json_op['usage']) > 0:
num_objects = json_op['usage']['rgw.main']['num_objects']
size_kb = json_op['usage']['rgw.main']['size_kb']
else:
num_objects = 0
size_kb = 0
log.debug("bucket %s id %s num_objects %d size_kb %d num_shards %d", bucket_name, bucket_id,
num_objects, size_kb, num_shards_op)
return BucketStats(bucket_name, bucket_id, num_objects, size_kb, num_shards_op)
def get_bucket_num_shards(bucket_name, bucket_id):
"""
function to get bucket num shards
"""
metadata = 'bucket.instance:' + bucket_name + ':' + bucket_id
log.debug("metadata %s", metadata)
cmd = exec_cmd('radosgw-admin metadata get %s' % metadata)
json_op = json.loads(cmd)
num_shards = json_op['data']['bucket_info']['num_shards']
log.debug("bucket %s id %s num_shards %d", bucket_name, bucket_id, num_shards)
return num_shards
def main():
"""
execute manual and dynamic resharding commands
"""
# create user
exec_cmd('radosgw-admin user create --uid %s --display-name %s --access-key %s --secret %s'
% (USER, DISPLAY_NAME, ACCESS_KEY, SECRET_KEY))
def boto_connect(portnum, ssl, proto):
endpoint = proto + '://localhost:' + portnum
conn = boto3.resource('s3',
aws_access_key_id=ACCESS_KEY,
aws_secret_access_key=SECRET_KEY,
use_ssl=ssl,
endpoint_url=endpoint,
verify=False,
config=None,
)
try:
list(conn.buckets.limit(1)) # just verify we can list buckets
except botocore.exceptions.ConnectionError as e:
print(e)
raise
print('connected to', endpoint)
return conn
try:
connection = boto_connect('80', False, 'http')
except botocore.exceptions.ConnectionError:
try: # retry on non-privileged http port
connection = boto_connect('8000', False, 'http')
except botocore.exceptions.ConnectionError:
# retry with ssl
connection = boto_connect('443', True, 'https')
# create a bucket
bucket1 = connection.create_bucket(Bucket=BUCKET_NAME1)
bucket2 = connection.create_bucket(Bucket=BUCKET_NAME2)
ver_bucket = connection.create_bucket(Bucket=VER_BUCKET_NAME)
connection.BucketVersioning('ver_bucket')
bucket_stats1 = get_bucket_stats(BUCKET_NAME1)
bucket_stats2 = get_bucket_stats(BUCKET_NAME2)
ver_bucket_stats = get_bucket_stats(VER_BUCKET_NAME)
bucket1_acl = connection.BucketAcl(BUCKET_NAME1).load()
bucket2_acl = connection.BucketAcl(BUCKET_NAME2).load()
ver_bucket_acl = connection.BucketAcl(VER_BUCKET_NAME).load()
# TESTCASE 'reshard-add','reshard','add','add bucket to resharding queue','succeeds'
log.debug(' test: reshard add')
num_shards_expected = bucket_stats1.num_shards + 1
cmd = exec_cmd('radosgw-admin reshard add --bucket %s --num-shards %s' % (BUCKET_NAME1, num_shards_expected))
cmd = exec_cmd('radosgw-admin reshard list')
json_op = json.loads(cmd)
log.debug('bucket name %s', json_op[0]['bucket_name'])
assert json_op[0]['bucket_name'] == BUCKET_NAME1
assert json_op[0]['tentative_new_num_shards'] == num_shards_expected
# TESTCASE 'reshard-process','reshard','','process bucket resharding','succeeds'
log.debug(' test: reshard process')
cmd = exec_cmd('radosgw-admin reshard process')
time.sleep(5)
# check bucket shards num
bucket_stats1 = get_bucket_stats(BUCKET_NAME1)
bucket_stats1.get_num_shards()
if bucket_stats1.num_shards != num_shards_expected:
log.error("Resharding failed on bucket %s. Expected number of shards are not created" % BUCKET_NAME1)
# TESTCASE 'reshard-add','reshard','add','add non empty bucket to resharding queue','succeeds'
log.debug(' test: reshard add non empty bucket')
# create objs
num_objs = 8
for i in range(0, num_objs):
connection.Object(BUCKET_NAME1, ('key'+str(i))).put(Body=b"some_data")
num_shards_expected = bucket_stats1.num_shards + 1
cmd = exec_cmd('radosgw-admin reshard add --bucket %s --num-shards %s' % (BUCKET_NAME1, num_shards_expected))
cmd = exec_cmd('radosgw-admin reshard list')
json_op = json.loads(cmd)
log.debug('bucket name %s', json_op[0]['bucket_name'])
assert json_op[0]['bucket_name'] == BUCKET_NAME1
assert json_op[0]['tentative_new_num_shards'] == num_shards_expected
# TESTCASE 'reshard process ,'reshard','process','reshard non empty bucket','succeeds'
log.debug(' test: reshard process non empty bucket')
cmd = exec_cmd('radosgw-admin reshard process')
# check bucket shards num
bucket_stats1 = get_bucket_stats(BUCKET_NAME1)
bucket_stats1.get_num_shards()
if bucket_stats1.num_shards != num_shards_expected:
log.error("Resharding failed on bucket %s. Expected number of shards are not created" % BUCKET_NAME1)
# TESTCASE 'manual resharding','bucket', 'reshard','','manual bucket resharding','succeeds'
log.debug(' test: manual reshard bucket')
# create objs
num_objs = 11
for i in range(0, num_objs):
connection.Object(BUCKET_NAME2, ('key' + str(i))).put(Body=b"some_data")
time.sleep(10)
num_shards_expected = bucket_stats2.num_shards + 1
cmd = exec_cmd('radosgw-admin bucket reshard --bucket %s --num-shards %s' % (BUCKET_NAME2,
num_shards_expected))
# check bucket shards num
bucket_stats2 = get_bucket_stats(BUCKET_NAME2)
bucket_stats2.get_num_shards()
if bucket_stats2.num_shards != num_shards_expected:
log.error("Resharding failed on bucket %s. Expected number of shards are not created" % BUCKET_NAME2)
# TESTCASE 'versioning reshard-','bucket', reshard','versioning reshard','succeeds'
log.debug(' test: reshard versioned bucket')
num_shards_expected = ver_bucket_stats.num_shards + 1
cmd = exec_cmd('radosgw-admin bucket reshard --bucket %s --num-shards %s' % (VER_BUCKET_NAME,
num_shards_expected))
# check bucket shards num
ver_bucket_stats = get_bucket_stats(VER_BUCKET_NAME)
assert ver_bucket_stats.num_shards == num_shards_expected
# TESTCASE 'check acl'
new_bucket1_acl = connection.BucketAcl(BUCKET_NAME1).load()
assert new_bucket1_acl == bucket1_acl
new_bucket2_acl = connection.BucketAcl(BUCKET_NAME2).load()
assert new_bucket2_acl == bucket2_acl
new_ver_bucket_acl = connection.BucketAcl(VER_BUCKET_NAME).load()
assert new_ver_bucket_acl == ver_bucket_acl
# TESTCASE 'check reshard removes olh entries with empty name'
log.debug(' test: reshard removes olh entries with empty name')
bucket1.objects.all().delete()
# get name of shard 0 object, add a bogus olh entry with empty name
bucket_shard0 = '.dir.%s.0' % get_bucket_stats(BUCKET_NAME1).bucket_id
if 'CEPH_ROOT' in os.environ:
k = '%s/qa/workunits/rgw/olh_noname_key' % os.environ['CEPH_ROOT']
v = '%s/qa/workunits/rgw/olh_noname_val' % os.environ['CEPH_ROOT']
else:
k = 'olh_noname_key'
v = 'olh_noname_val'
exec_cmd('rados -p %s setomapval %s --omap-key-file %s < %s' % (INDEX_POOL, bucket_shard0, k, v))
# check that bi list has one entry with empty name
cmd = exec_cmd('radosgw-admin bi list --bucket %s' % BUCKET_NAME1)
json_op = json.loads(cmd.decode('utf-8', 'ignore')) # ignore utf-8 can't decode 0x80
assert len(json_op) == 1
assert json_op[0]['entry']['key']['name'] == ''
# reshard to prune the bogus olh
cmd = exec_cmd('radosgw-admin bucket reshard --bucket %s --num-shards %s --yes-i-really-mean-it' % (BUCKET_NAME1, 1))
# get new name of shard 0 object, check that bi list has zero entries
bucket_shard0 = '.dir.%s.0' % get_bucket_stats(BUCKET_NAME1).bucket_id
cmd = exec_cmd('radosgw-admin bi list --bucket %s' % BUCKET_NAME1)
json_op = json.loads(cmd)
assert len(json_op) == 0
# Clean up
log.debug("Deleting bucket %s", BUCKET_NAME1)
bucket1.objects.all().delete()
bucket1.delete()
log.debug("Deleting bucket %s", BUCKET_NAME2)
bucket2.objects.all().delete()
bucket2.delete()
log.debug("Deleting bucket %s", VER_BUCKET_NAME)
ver_bucket.delete()
main()
log.info("Completed resharding tests")
|
