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#!/usr/bin/env python
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# End-to-end testing using actual rqlited binary.
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#
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# To run a specific test, execute
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#
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# python system_test/full_system_test.py Class.test
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import tempfile
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import argparse
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import ast
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import subprocess
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import requests
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import json
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import os
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import random
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import shutil
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import time
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import socket
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import sqlite3
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import string
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import sys
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import unittest
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from urllib.parse import urlparse
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RQLITED_PATH = os.environ['RQLITED_PATH']
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TIMEOUT=10
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def d_(s):
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return ast.literal_eval(s.replace("'", "\""))
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def random_string(n):
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letters = string.ascii_lowercase
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return ''.join(random.choice(letters) for i in range(n))
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def write_random_file(data):
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f = tempfile.NamedTemporaryFile('w', delete=False)
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f.write(data)
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f.close()
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return f.name
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class Node(object):
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def __init__(self, path, node_id,
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api_addr=None, api_adv=None,
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boostrap_expect=0,
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raft_addr=None, raft_adv=None,
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raft_voter=True,
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raft_snap_threshold=8192, raft_snap_int="1s",
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auth=None, dir=None, on_disk=False):
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if api_addr is None:
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s, addr = random_addr()
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api_addr = addr
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s.close()
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if raft_addr is None:
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s, addr = random_addr()
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raft_addr = addr
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s.close()
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if dir is None:
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dir = tempfile.mkdtemp()
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if api_adv is None:
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api_adv = api_addr
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self.dir = dir
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self.path = path
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self.peers_path = os.path.join(self.dir, "raft/peers.json")
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self.node_id = node_id
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self.api_addr = api_addr
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self.api_adv = api_adv
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self.boostrap_expect = boostrap_expect
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self.raft_addr = raft_addr
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self.raft_adv = raft_adv
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self.raft_voter = raft_voter
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self.raft_snap_threshold = raft_snap_threshold
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self.raft_snap_int = raft_snap_int
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self.auth = auth
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self.disco_key = random_string(10)
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self.on_disk = on_disk
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self.process = None
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self.stdout_file = os.path.join(dir, 'rqlited.log')
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self.stdout_fd = open(self.stdout_file, 'w')
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self.stderr_file = os.path.join(dir, 'rqlited.err')
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self.stderr_fd = open(self.stderr_file, 'w')
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def APIAddr(self):
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if self.api_adv is not None:
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return self.api_adv
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return self.api_addr
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def APIProtoAddr(self):
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return "http://%s" % self.APIAddr()
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def scramble_network(self):
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if self.api_adv == self.api_addr:
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self.api_adv = None
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s, addr = random_addr()
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self.api_addr = addr
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s.close()
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if self.api_adv is None:
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self.api_adv = self.api_addr
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if self.raft_adv == self.raft_addr:
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self.raft_adv = None
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s, addr = random_addr()
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self.raft_addr = addr
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s.close()
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if self.raft_adv is None:
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self.raft_adv = self.raft_addr
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def start(self, join=None, join_as=None, join_attempts=None, join_interval=None,
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disco_mode=None, disco_key=None, disco_config=None, wait=True, timeout=TIMEOUT):
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if self.process is not None:
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return
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command = [self.path,
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'-node-id', self.node_id,
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'-http-addr', self.api_addr,
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'-bootstrap-expect', str(self.boostrap_expect),
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'-raft-addr', self.raft_addr,
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'-raft-snap', str(self.raft_snap_threshold),
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'-raft-snap-int', self.raft_snap_int,
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'-raft-non-voter=%s' % str(not self.raft_voter).lower()]
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if self.api_adv is not None:
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command += ['-http-adv-addr', self.api_adv]
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if self.raft_adv is not None:
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command += ['-raft-adv-addr', self.raft_adv]
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if self.on_disk:
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command += ['-on-disk']
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if self.auth is not None:
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command += ['-auth', self.auth]
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if join is not None:
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if join.startswith('http://') is False:
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join = 'http://' + join
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command += ['-join', join]
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if join_as is not None:
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command += ['-join-as', join_as]
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if join_attempts is not None:
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command += ['-join-attempts', str(join_attempts)]
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if join_interval is not None:
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command += ['-join-interval', join_interval]
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if disco_mode is not None:
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dk = disco_key
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if dk is None:
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dk = self.disco_key
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command += ['-disco-mode', disco_mode, '-disco-key', dk]
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if disco_config is not None:
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command += ['-disco-config', disco_config]
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command.append(self.dir)
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self.process = subprocess.Popen(command, stdout=self.stdout_fd, stderr=self.stderr_fd)
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t = 0
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while wait:
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if t > timeout:
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raise Exception('timeout')
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try:
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self.status()
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except requests.exceptions.ConnectionError:
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time.sleep(1)
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t+=1
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else:
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break
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return self
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def stop(self):
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if self.process is None:
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return
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self.process.kill()
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self.process.wait()
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self.process = None
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return self
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def pid(self):
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if self.process is None:
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return None
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return self.process.pid
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def status(self):
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r = requests.get(self._status_url())
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raise_for_status(r)
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return r.json()
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def nodes(self):
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r = requests.get(self._nodes_url())
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raise_for_status(r)
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return r.json()
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def ready(self):
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r = requests.get(self._ready_url())
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return r.status_code == 200
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def expvar(self):
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r = requests.get(self._expvar_url())
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raise_for_status(r)
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return r.json()
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def is_leader(self):
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'''
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is_leader returns whether this node is the cluster leader
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It also performs a check, to ensure the node nevers gives out
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conflicting information about leader state.
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'''
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try:
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return self.status()['store']['raft']['state'] == 'Leader'
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except requests.exceptions.ConnectionError:
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return False
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def is_follower(self):
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try:
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return self.status()['store']['raft']['state'] == 'Follower'
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except requests.exceptions.ConnectionError:
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return False
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def disco_mode(self):
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try:
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return self.status()['disco']['mode']
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except requests.exceptions.ConnectionError:
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return ''
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def wait_for_leader(self, timeout=TIMEOUT):
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lr = None
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t = 0
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while lr == None or lr['addr'] == '':
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if t > timeout:
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raise Exception('timeout')
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try:
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lr = self.status()['store']['leader']
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except requests.exceptions.ConnectionError:
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pass
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time.sleep(1)
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t+=1
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# Perform a check on readyness while we're here.
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if self.ready() is not True:
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raise Exception('leader is available but node reports not ready')
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return lr
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def db_applied_index(self):
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return int(self.status()['store']['db_applied_index'])
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def fsm_index(self):
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return int(self.status()['store']['fsm_index'])
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def commit_index(self):
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return int(self.status()['store']['raft']['commit_index'])
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def applied_index(self):
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return int(self.status()['store']['raft']['applied_index'])
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def last_log_index(self):
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return int(self.status()['store']['raft']['last_log_index'])
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def last_snapshot_index(self):
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return int(self.status()['store']['raft']['last_snapshot_index'])
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def num_join_requests(self):
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return int(self.expvar()['http']['joins'])
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def wait_for_fsm_index(self, index, timeout=TIMEOUT):
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'''
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Wait until the given index has been applied to the state machine.
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'''
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t = 0
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while self.fsm_index() < index:
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if t > timeout:
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raise Exception('timeout, target index: %d, actual index %d' % (index, self.fsm_index()))
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time.sleep(1)
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t+=1
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return self.fsm_index()
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def wait_for_commit_index(self, index, timeout=TIMEOUT):
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'''
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Wait until the commit index reaches the given value
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'''
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t = 0
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while self.commit_index() < index:
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if t > timeout:
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raise Exception('timeout')
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time.sleep(1)
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t+=1
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return self.commit_index()
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def wait_for_all_applied(self, timeout=TIMEOUT):
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'''
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Wait until the applied index equals the commit index.
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'''
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t = 0
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while self.commit_index() != self.applied_index():
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if t > timeout:
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raise Exception('timeout')
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time.sleep(1)
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t+=1
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return self.applied_index()
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def wait_for_all_fsm(self, timeout=TIMEOUT):
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'''
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Wait until all outstanding database commands have actually
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been applied to the database i.e. state machine.
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'''
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t = 0
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while self.fsm_index() != self.db_applied_index():
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if t > timeout:
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raise Exception('timeout')
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time.sleep(1)
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t+=1
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return self.fsm_index()
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def query(self, statement, params=None, level='weak', pretty=False, text=False):
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body = [statement]
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if params is not None:
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try:
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body = body + params
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except TypeError:
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# Presumably not a list, so append as an object.
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body.append(params)
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reqParams = {'level': level}
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if pretty:
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reqParams['pretty'] = "yes"
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r = requests.post(self._query_url(), params=reqParams, data=json.dumps([body]))
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raise_for_status(r)
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if text:
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return r.text
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return r.json()
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def execute(self, statement, params=None):
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body = [statement]
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if params is not None:
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try:
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body = body + params
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except TypeError:
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# Presumably not a list, so append as an object.
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body.append(params)
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return self.execute_raw(json.dumps([body]))
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def execute_raw(self, body):
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r = requests.post(self._execute_url(), data=body)
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raise_for_status(r)
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return r.json()
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def backup(self, file):
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with open(file, 'wb') as fd:
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r = requests.get(self._backup_url())
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raise_for_status(r)
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fd.write(r.content)
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def restore(self, file):
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# This is the one API that doesn't expect JSON.
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conn = sqlite3.connect(file)
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r = requests.post(self._load_url(), data='\n'.join(conn.iterdump()))
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raise_for_status(r)
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conn.close()
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return r.json()
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def redirect_addr(self):
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r = requests.post(self._execute_url(redirect=True), data=json.dumps(['nonsense']), allow_redirects=False)
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raise_for_status(r)
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if r.status_code == 301:
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return "%s://%s" % (urlparse(r.headers['Location']).scheme, urlparse(r.headers['Location']).netloc)
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def set_peers(self, peers):
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f = open(self.peers_path, "w")
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f.write(json.dumps(peers))
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f.close()
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def _status_url(self):
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return 'http://' + self.APIAddr() + '/status'
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def _nodes_url(self):
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return 'http://' + self.APIAddr() + '/nodes?nonvoters' # Getting all nodes back makes testing easier
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def _ready_url(self):
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return 'http://' + self.APIAddr() + '/readyz'
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def _expvar_url(self):
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return 'http://' + self.APIAddr() + '/debug/vars'
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def _query_url(self, redirect=False):
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rd = ""
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if redirect:
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rd = "?redirect"
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return 'http://' + self.APIAddr() + '/db/query' + rd
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def _execute_url(self, redirect=False):
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rd = ""
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if redirect:
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rd = "?redirect"
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return 'http://' + self.APIAddr() + '/db/execute' + rd
|
|
|
|
def _backup_url(self):
|
|
|
|
return 'http://' + self.APIAddr() + '/db/backup'
|
|
|
|
def _load_url(self):
|
|
|
|
return 'http://' + self.APIAddr() + '/db/load'
|
|
|
|
def __eq__(self, other):
|
|
|
|
return self.node_id == other.node_id
|
|
|
|
def __str__(self):
|
|
|
|
return '%s:[%s]:[%s]:[%s]' % (self.node_id, self.APIAddr(), self.raft_addr, self.dir)
|
|
|
|
def __del__(self):
|
|
|
|
self.stdout_fd.close()
|
|
|
|
self.stderr_fd.close()
|
|
|
|
|
|
|
|
def raise_for_status(r):
|
|
|
|
try:
|
|
|
|
r.raise_for_status()
|
|
|
|
except requests.exceptions.HTTPError as e:
|
|
|
|
print(e)
|
|
|
|
print((r.text))
|
|
|
|
raise e
|
|
|
|
|
|
|
|
def random_addr():
|
|
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
|
|
s.bind(('localhost', 0))
|
|
|
|
return s, ':'.join([s.getsockname()[0], str(s.getsockname()[1])])
|
|
|
|
|
|
|
|
def deprovision_node(node):
|
|
|
|
node.stop()
|
|
|
|
if os.path.isdir(node.dir):
|
|
|
|
shutil.rmtree(node.dir)
|
|
|
|
node = None
|
|
|
|
|
|
|
|
class Cluster(object):
|
|
|
|
def __init__(self, nodes):
|
|
|
|
self.nodes = nodes
|
|
|
|
def wait_for_leader(self, node_exc=None, timeout=TIMEOUT):
|
|
|
|
t = 0
|
|
|
|
while True:
|
|
|
|
if t > timeout:
|
|
|
|
raise Exception('timeout')
|
|
|
|
for n in self.nodes:
|
|
|
|
if node_exc is not None and n == node_exc:
|
|
|
|
continue
|
|
|
|
if n.is_leader():
|
|
|
|
return n
|
|
|
|
time.sleep(1)
|
|
|
|
t+=1
|
|
|
|
def start(self):
|
|
|
|
for n in self.nodes:
|
|
|
|
n.start()
|
|
|
|
def stop(self):
|
|
|
|
for n in self.nodes:
|
|
|
|
n.stop()
|
|
|
|
def followers(self):
|
|
|
|
return [n for n in self.nodes if n.is_follower()]
|
|
|
|
def pids(self):
|
|
|
|
'''
|
|
|
|
Return a sorted list of all rqlited PIDs in the cluster.
|
|
|
|
'''
|
|
|
|
return sorted([n.pid() for n in self.nodes])
|
|
|
|
def deprovision(self):
|
|
|
|
for n in self.nodes:
|
|
|
|
deprovision_node(n)
|
|
|
|
|
|
|
|
class TestSingleNode(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0', raft_snap_threshold=2, raft_snap_int="1s")
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([n0])
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
self.cluster.deprovision()
|
|
|
|
|
|
|
|
def test_simple_raw_queries(self):
|
|
|
|
'''Test simple queries work as expected'''
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE bar (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n.execute('INSERT INTO bar(name) VALUES("fiona")')
|
|
|
|
applied = n.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n.query('SELECT * from bar')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
# Ensure raw response from API is as expected.
|
|
|
|
j = n.query('SELECT * from bar', text=True)
|
|
|
|
self.assertEqual(str(j), '{"results":[{"columns":["id","name"],"types":["integer","text"],"values":[[1,"fiona"]]}]}')
|
|
|
|
|
|
|
|
def test_simple_raw_queries_pretty(self):
|
|
|
|
'''Test simple queries, requesting pretty output, work as expected'''
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE bar (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n.execute('INSERT INTO bar(name) VALUES("fiona")')
|
|
|
|
applied = n.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n.query('SELECT * from bar', pretty=True, text=True)
|
|
|
|
exp = '''{
|
|
|
|
"results": [
|
|
|
|
{
|
|
|
|
"columns": [
|
|
|
|
"id",
|
|
|
|
"name"
|
|
|
|
],
|
|
|
|
"types": [
|
|
|
|
"integer",
|
|
|
|
"text"
|
|
|
|
],
|
|
|
|
"values": [
|
|
|
|
[
|
|
|
|
1,
|
|
|
|
"fiona"
|
|
|
|
]
|
|
|
|
]
|
|
|
|
}
|
|
|
|
]
|
|
|
|
}'''
|
|
|
|
self.assertEqual(str(j), exp)
|
|
|
|
|
|
|
|
def test_simple_parameterized_queries(self):
|
|
|
|
'''Test parameterized queries work as expected'''
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE bar (id INTEGER NOT NULL PRIMARY KEY, name TEXT, age INTEGER)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n.execute('INSERT INTO bar(name, age) VALUES(?,?)', params=["fiona", 20])
|
|
|
|
applied = n.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n.query('SELECT * from bar')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona', 20]], 'types': ['integer', 'text', 'integer'], 'columns': ['id', 'name', 'age']}]}"))
|
|
|
|
j = n.query('SELECT * from bar WHERE age=?', params=[20])
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona', 20]], 'types': ['integer', 'text', 'integer'], 'columns': ['id', 'name', 'age']}]}"))
|
|
|
|
j = n.query('SELECT * from bar WHERE age=?', params=[21])
|
|
|
|
self.assertEqual(j, d_("{'results': [{'types': ['integer', 'text', 'integer'], 'columns': ['id', 'name', 'age']}]}"))
|
|
|
|
|
|
|
|
def test_simple_named_parameterized_queries(self):
|
|
|
|
'''Test named parameterized queries work as expected'''
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE bar (id INTEGER NOT NULL PRIMARY KEY, name TEXT, age INTEGER)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n.execute('INSERT INTO bar(name, age) VALUES(?,?)', params=["fiona", 20])
|
|
|
|
applied = n.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n.query('SELECT * from bar')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona', 20]], 'types': ['integer', 'text', 'integer'], 'columns': ['id', 'name', 'age']}]}"))
|
|
|
|
j = n.query('SELECT * from bar WHERE age=:age', params={"age": 20})
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona', 20]], 'types': ['integer', 'text', 'integer'], 'columns': ['id', 'name', 'age']}]}"))
|
|
|
|
|
|
|
|
def test_simple_parameterized_mixed_queries(self):
|
|
|
|
'''Test a mix of parameterized and non-parameterized queries work as expected'''
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE bar (id INTEGER NOT NULL PRIMARY KEY, name TEXT, age INTEGER)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
|
|
|
|
body = json.dumps([
|
|
|
|
["INSERT INTO bar(name, age) VALUES(?,?)", "fiona", 20],
|
|
|
|
['INSERT INTO bar(name, age) VALUES("sinead", 25)']
|
|
|
|
])
|
|
|
|
j = n.execute_raw(body)
|
|
|
|
applied = n.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}, {'last_insert_id': 2, 'rows_affected': 1}]}"))
|
|
|
|
j = n.query('SELECT * from bar')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona', 20], [2, 'sinead', 25]], 'types': ['integer', 'text', 'integer'], 'columns': ['id', 'name', 'age']}]}"))
|
|
|
|
|
|
|
|
def test_snapshot(self):
|
|
|
|
''' Test that a node peforms at least 1 snapshot'''
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
|
|
|
|
applied = n.wait_for_all_fsm()
|
|
|
|
|
|
|
|
# Wait for a snapshot to happen.
|
|
|
|
timeout = 10
|
|
|
|
t = 0
|
|
|
|
while True:
|
|
|
|
nSnaps = n.expvar()['store']['num_snapshots']
|
|
|
|
if nSnaps > 0:
|
|
|
|
return
|
|
|
|
if t > timeout:
|
|
|
|
raise Exception('timeout', nSnaps)
|
|
|
|
time.sleep(1)
|
|
|
|
t+=1
|
|
|
|
|
|
|
|
class TestEndToEnd(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0')
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
n1 = Node(RQLITED_PATH, '1')
|
|
|
|
n1.start(join=n0.APIAddr())
|
|
|
|
n1.wait_for_leader()
|
|
|
|
|
|
|
|
n2 = Node(RQLITED_PATH, '2')
|
|
|
|
n2.start(join=n0.APIAddr())
|
|
|
|
n2.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([n0, n1, n2])
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
self.cluster.deprovision()
|
|
|
|
|
|
|
|
def test_election(self):
|
|
|
|
'''Test basic leader election'''
|
|
|
|
|
|
|
|
n = self.cluster.wait_for_leader().stop()
|
|
|
|
|
|
|
|
self.cluster.wait_for_leader(node_exc=n)
|
|
|
|
n.start()
|
|
|
|
n.wait_for_leader()
|
|
|
|
|
|
|
|
def test_full_restart(self):
|
|
|
|
'''Test that a cluster can perform a full restart successfully'''
|
|
|
|
self.cluster.wait_for_leader()
|
|
|
|
pids = self.cluster.pids()
|
|
|
|
|
|
|
|
self.cluster.stop()
|
|
|
|
self.cluster.start()
|
|
|
|
self.cluster.wait_for_leader()
|
|
|
|
# Guard against any error in testing, by confirming that restarting the cluster
|
|
|
|
# actually resulted in new rqlite processes.
|
|
|
|
self.assertNotEqual(pids, self.cluster.pids())
|
|
|
|
|
|
|
|
def test_execute_fail_rejoin(self):
|
|
|
|
'''Test that a node that fails can rejoin the cluster, and picks up changes'''
|
|
|
|
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
fsmIdx = n.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
n0 = self.cluster.wait_for_leader().stop()
|
|
|
|
n1 = self.cluster.wait_for_leader(node_exc=n0)
|
|
|
|
n1.wait_for_fsm_index(fsmIdx)
|
|
|
|
j = n1.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
j = n1.execute('INSERT INTO foo(name) VALUES("declan")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 2, 'rows_affected': 1}]}"))
|
|
|
|
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
n0.wait_for_fsm_index(n1.fsm_index())
|
|
|
|
j = n0.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona'], [2, 'declan']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
def test_leader_redirect(self):
|
|
|
|
'''Test that followers supply the correct leader redirects (HTTP 301)'''
|
|
|
|
|
|
|
|
l = self.cluster.wait_for_leader()
|
|
|
|
fs = self.cluster.followers()
|
|
|
|
self.assertEqual(len(fs), 2)
|
|
|
|
for n in fs:
|
|
|
|
self.assertEqual(l.APIProtoAddr(), n.redirect_addr())
|
|
|
|
|
|
|
|
# Kill the leader, wait for a new leader, and check that the
|
|
|
|
# redirect returns the new leader address.
|
|
|
|
l.stop()
|
|
|
|
n = self.cluster.wait_for_leader(node_exc=l)
|
|
|
|
for f in self.cluster.followers():
|
|
|
|
self.assertEqual(n.APIProtoAddr(), f.redirect_addr())
|
|
|
|
|
|
|
|
def test_nodes(self):
|
|
|
|
'''Test that the nodes/ endpoint operates as expected'''
|
|
|
|
l = self.cluster.wait_for_leader()
|
|
|
|
fs = self.cluster.followers()
|
|
|
|
self.assertEqual(len(fs), 2)
|
|
|
|
|
|
|
|
nodes = l.nodes()
|
|
|
|
self.assertEqual(nodes[l.node_id]['leader'], True)
|
|
|
|
self.assertEqual(nodes[l.node_id]['reachable'], True)
|
|
|
|
self.assertEqual(nodes[l.node_id]['api_addr'], l.APIProtoAddr())
|
|
|
|
self.assertTrue('time' in nodes[fs[0].node_id])
|
|
|
|
for n in [fs[0], fs[1]]:
|
|
|
|
self.assertEqual(nodes[n.node_id]['leader'], False)
|
|
|
|
self.assertEqual(nodes[n.node_id]['reachable'], True)
|
|
|
|
self.assertEqual(nodes[n.node_id]['api_addr'], n.APIProtoAddr())
|
|
|
|
self.assertTrue('time' in nodes[n.node_id])
|
|
|
|
self.assertTrue('time' in nodes[fs[0].node_id])
|
|
|
|
|
|
|
|
fs[0].stop()
|
|
|
|
nodes = l.nodes()
|
|
|
|
self.assertEqual(nodes[fs[0].node_id]['reachable'], False)
|
|
|
|
self.assertTrue('error' in nodes[fs[0].node_id])
|
|
|
|
self.assertEqual(nodes[fs[1].node_id]['reachable'], True)
|
|
|
|
self.assertEqual(nodes[l.node_id]['reachable'], True)
|
|
|
|
|
|
|
|
|
|
|
|
class TestEndToEndOnDisk(TestEndToEnd):
|
|
|
|
def setUp(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0', on_disk=True)
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
n1 = Node(RQLITED_PATH, '1', on_disk=True)
|
|
|
|
n1.start(join=n0.APIAddr())
|
|
|
|
n1.wait_for_leader()
|
|
|
|
|
|
|
|
n2 = Node(RQLITED_PATH, '2', on_disk=True)
|
|
|
|
n2.start(join=n0.APIAddr())
|
|
|
|
n2.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([n0, n1, n2])
|
|
|
|
|
|
|
|
class TestEndToEndAdvAddr(TestEndToEnd):
|
|
|
|
def setUp(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0',
|
|
|
|
api_addr="0.0.0.0:4001", api_adv="localhost:4001",
|
|
|
|
raft_addr="0.0.0.0:4002", raft_adv="localhost:4002")
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
n1 = Node(RQLITED_PATH, '1')
|
|
|
|
n1.start(join=n0.APIAddr())
|
|
|
|
n1.wait_for_leader()
|
|
|
|
|
|
|
|
n2 = Node(RQLITED_PATH, '2')
|
|
|
|
n2.start(join=n0.APIAddr())
|
|
|
|
n2.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([n0, n1, n2])
|
|
|
|
|
|
|
|
class TestBootstrapping(unittest.TestCase):
|
|
|
|
'''Test simple bootstrapping works via -bootstrap-expect'''
|
|
|
|
def test(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0', boostrap_expect=3)
|
|
|
|
n1 = Node(RQLITED_PATH, '1', boostrap_expect=3)
|
|
|
|
n2 = Node(RQLITED_PATH, '2', boostrap_expect=3)
|
|
|
|
|
|
|
|
n0.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
|
|
|
|
n1.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
|
|
|
|
n2.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
|
|
|
|
|
|
|
|
self.assertEqual(n0.wait_for_leader(), n1.wait_for_leader())
|
|
|
|
self.assertEqual(n0.wait_for_leader(), n2.wait_for_leader())
|
|
|
|
|
|
|
|
# Ensure a 4th node can join later, with same launch params.
|
|
|
|
n3 = Node(RQLITED_PATH, '1', boostrap_expect=3)
|
|
|
|
n3.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
|
|
|
|
|
|
|
|
n3.wait_for_leader()
|
|
|
|
|
|
|
|
self.assertEqual(n3.wait_for_leader(), n0.wait_for_leader())
|
|
|
|
|
|
|
|
deprovision_node(n0)
|
|
|
|
deprovision_node(n1)
|
|
|
|
deprovision_node(n2)
|
|
|
|
|
|
|
|
class TestAutoClustering(unittest.TestCase):
|
|
|
|
DiscoModeConsulKV = "consul-kv"
|
|
|
|
DiscoModeEtcdKV = "etcd-kv"
|
|
|
|
|
|
|
|
def autocluster(self, mode):
|
|
|
|
disco_key = random_string(10)
|
|
|
|
|
|
|
|
n0 = Node(RQLITED_PATH, '0')
|
|
|
|
n0.start(disco_mode=mode, disco_key=disco_key)
|
|
|
|
n0.wait_for_leader()
|
|
|
|
self.assertEqual(n0.disco_mode(), mode)
|
|
|
|
|
|
|
|
j = n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
n0.wait_for_all_fsm()
|
|
|
|
j = n0.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
# Add second node, make sure it joins the cluster fine.
|
|
|
|
n1 = Node(RQLITED_PATH, '1')
|
|
|
|
n1.start(disco_mode=mode, disco_key=disco_key)
|
|
|
|
n1.wait_for_leader()
|
|
|
|
self.assertEqual(n1.disco_mode(), mode)
|
|
|
|
j = n1.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
# Now a third.
|
|
|
|
n2 = Node(RQLITED_PATH, '2')
|
|
|
|
n2.start(disco_mode=mode, disco_key=disco_key)
|
|
|
|
n2.wait_for_leader()
|
|
|
|
self.assertEqual(n2.disco_mode(), mode)
|
|
|
|
j = n2.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
# Now, kill the leader, which should trigger a different node to report leadership.
|
|
|
|
deprovision_node(n0)
|
|
|
|
|
|
|
|
# Add a fourth node, it should join fine using updated leadership details.
|
|
|
|
# Use quick retries, as we know the leader information may be changing while
|
|
|
|
# the node is coming up.
|
|
|
|
n3 = Node(RQLITED_PATH, '3')
|
|
|
|
n3.start(disco_mode=mode, disco_key=disco_key, join_interval='1s', join_attempts=1)
|
|
|
|
n3.wait_for_leader()
|
|
|
|
self.assertEqual(n3.disco_mode(), mode)
|
|
|
|
j = n3.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
deprovision_node(n1)
|
|
|
|
deprovision_node(n2)
|
|
|
|
deprovision_node(n3)
|
|
|
|
|
|
|
|
def autocluster_config(self, mode, config):
|
|
|
|
disco_key = random_string(10)
|
|
|
|
|
|
|
|
n0 = Node(RQLITED_PATH, '0')
|
|
|
|
n0.start(disco_mode=mode, disco_key=disco_key, disco_config=config)
|
|
|
|
n0.wait_for_leader()
|
|
|
|
self.assertEqual(n0.disco_mode(), mode)
|
|
|
|
|
|
|
|
j = n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
n0.wait_for_all_fsm()
|
|
|
|
j = n0.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
# Add second node, make sure it joins the cluster fine.
|
|
|
|
n1 = Node(RQLITED_PATH, '1')
|
|
|
|
n1.start(disco_mode=mode, disco_key=disco_key, disco_config=config)
|
|
|
|
n1.wait_for_leader()
|
|
|
|
self.assertEqual(n1.disco_mode(), mode)
|
|
|
|
j = n1.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
deprovision_node(n0)
|
|
|
|
deprovision_node(n1)
|
|
|
|
|
|
|
|
def test_consul(self):
|
|
|
|
'''Test clustering via Consul and that leadership change is observed'''
|
|
|
|
self.autocluster(TestAutoClustering.DiscoModeConsulKV)
|
|
|
|
|
|
|
|
def test_etcd(self):
|
|
|
|
'''Test clustering via Etcd and that leadership change is observed'''
|
|
|
|
self.autocluster(TestAutoClustering.DiscoModeEtcdKV)
|
|
|
|
|
|
|
|
def test_consul_config(self):
|
|
|
|
'''Test clustering via Consul with explicit file-based config'''
|
|
|
|
filename = write_random_file('{"address": "localhost:8500"}')
|
|
|
|
self.autocluster_config(TestAutoClustering.DiscoModeConsulKV, filename)
|
|
|
|
os.remove(filename)
|
|
|
|
|
|
|
|
def test_etcd_config(self):
|
|
|
|
'''Test clustering via Etcd with explicit file-based config'''
|
|
|
|
filename = write_random_file('{"endpoints": ["localhost:2379"]}')
|
|
|
|
self.autocluster_config(TestAutoClustering.DiscoModeEtcdKV, filename)
|
|
|
|
os.remove(filename)
|
|
|
|
|
|
|
|
class TestAuthJoin(unittest.TestCase):
|
|
|
|
'''Test that joining works with authentication'''
|
|
|
|
|
|
|
|
def test(self):
|
|
|
|
self.auth_file = tempfile.NamedTemporaryFile()
|
|
|
|
with open(self.auth_file.name, 'w') as f:
|
|
|
|
f.write('[{"username": "foo","password": "bar","perms": ["all"]}, {"username": "*", "perms": ["status", "ready"]}]')
|
|
|
|
|
|
|
|
n0 = Node(RQLITED_PATH, '0', auth=self.auth_file.name)
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
n1 = Node(RQLITED_PATH, '1', auth=self.auth_file.name)
|
|
|
|
n1.start(join=n0.APIAddr())
|
|
|
|
self.assertRaises(Exception, n1.wait_for_leader) # Join should fail due to lack of auth.
|
|
|
|
|
|
|
|
n2 = Node(RQLITED_PATH, '2', auth=self.auth_file.name)
|
|
|
|
n2.start(join=n0.APIAddr(), join_as="foo")
|
|
|
|
n2.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([n0, n1, n2])
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
self.auth_file.close()
|
|
|
|
self.cluster.deprovision()
|
|
|
|
|
|
|
|
class TestClusterRecovery(unittest.TestCase):
|
|
|
|
'''Test that a cluster can recover after all Raft network addresses change'''
|
|
|
|
def test(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0')
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
n1 = Node(RQLITED_PATH, '1')
|
|
|
|
n1.start(join=n0.APIAddr())
|
|
|
|
n1.wait_for_leader()
|
|
|
|
|
|
|
|
n2 = Node(RQLITED_PATH, '2')
|
|
|
|
n2.start(join=n0.APIAddr())
|
|
|
|
n2.wait_for_leader()
|
|
|
|
|
|
|
|
self.nodes = [n0, n1, n2]
|
|
|
|
|
|
|
|
j = n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
fsmIdx = n0.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n0.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
n0.stop()
|
|
|
|
n1.stop()
|
|
|
|
n2.stop()
|
|
|
|
|
|
|
|
# Create new cluster from existing data, but with new network addresses.
|
|
|
|
addr3 = "127.0.0.1:10003"
|
|
|
|
addr4 = "127.0.0.1:10004"
|
|
|
|
addr5 = "127.0.0.1:10005"
|
|
|
|
|
|
|
|
peers = [
|
|
|
|
{"id": n0.node_id, "address": addr3},
|
|
|
|
{"id": n1.node_id, "address": addr4},
|
|
|
|
{"id": n2.node_id, "address": addr5},
|
|
|
|
]
|
|
|
|
|
|
|
|
n3 = Node(RQLITED_PATH, n0.node_id, dir=n0.dir, raft_addr=addr3)
|
|
|
|
n4 = Node(RQLITED_PATH, n1.node_id, dir=n1.dir, raft_addr=addr4)
|
|
|
|
n5 = Node(RQLITED_PATH, n2.node_id, dir=n2.dir, raft_addr=addr5)
|
|
|
|
self.nodes = self.nodes + [n3, n4, n5]
|
|
|
|
|
|
|
|
n3.set_peers(peers)
|
|
|
|
n4.set_peers(peers)
|
|
|
|
n5.set_peers(peers)
|
|
|
|
|
|
|
|
n3.start(wait=False)
|
|
|
|
n4.start(wait=False)
|
|
|
|
n5.start(wait=False)
|
|
|
|
|
|
|
|
# New cluster ok?
|
|
|
|
n3.wait_for_leader()
|
|
|
|
|
|
|
|
j = n3.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
for n in self.nodes:
|
|
|
|
deprovision_node(n)
|
|
|
|
|
|
|
|
class TestRequestForwarding(unittest.TestCase):
|
|
|
|
'''Test that followers transparently forward requests to leaders'''
|
|
|
|
|
|
|
|
def setUp(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0')
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
n1 = Node(RQLITED_PATH, '1')
|
|
|
|
n1.start(join=n0.APIAddr())
|
|
|
|
n1.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([n0, n1])
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
self.cluster.deprovision()
|
|
|
|
|
|
|
|
def test_execute_query_forward(self):
|
|
|
|
l = self.cluster.wait_for_leader()
|
|
|
|
j = l.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
|
|
|
|
f = self.cluster.followers()[0]
|
|
|
|
j = f.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
fsmIdx = l.wait_for_all_fsm()
|
|
|
|
|
|
|
|
j = l.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
j = f.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
j = f.query('SELECT * FROM foo', level="strong")
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
class TestEndToEndNonVoter(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
self.leader = Node(RQLITED_PATH, '0')
|
|
|
|
self.leader.start()
|
|
|
|
self.leader.wait_for_leader()
|
|
|
|
|
|
|
|
self.non_voter = Node(RQLITED_PATH, '1', raft_voter=False)
|
|
|
|
self.non_voter.start(join=self.leader.APIAddr())
|
|
|
|
self.non_voter.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([self.leader, self.non_voter])
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
self.cluster.deprovision()
|
|
|
|
|
|
|
|
def test_execute_fail_rejoin(self):
|
|
|
|
'''Test that a non-voter that fails can rejoin the cluster, and pick up changes'''
|
|
|
|
|
|
|
|
# Insert some records via the leader
|
|
|
|
j = self.leader.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = self.leader.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.leader.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = self.leader.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
# Stop non-voter and then insert some more records
|
|
|
|
self.non_voter.stop()
|
|
|
|
j = self.leader.execute('INSERT INTO foo(name) VALUES("declan")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 2, 'rows_affected': 1}]}"))
|
|
|
|
|
|
|
|
# Restart non-voter and confirm it picks up changes
|
|
|
|
self.non_voter.start()
|
|
|
|
self.non_voter.wait_for_leader()
|
|
|
|
self.non_voter.wait_for_fsm_index(self.leader.fsm_index())
|
|
|
|
j = self.non_voter.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona'], [2, 'declan']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
def test_leader_redirect(self):
|
|
|
|
return
|
|
|
|
'''Test that non-voters supply the correct leader redirects (HTTP 301)'''
|
|
|
|
|
|
|
|
l = self.cluster.wait_for_leader()
|
|
|
|
fs = self.cluster.followers()
|
|
|
|
self.assertEqual(len(fs), 1)
|
|
|
|
for n in fs:
|
|
|
|
self.assertEqual(l.APIAddr(), n.redirect_addr())
|
|
|
|
|
|
|
|
l.stop()
|
|
|
|
n = self.cluster.wait_for_leader(node_exc=l)
|
|
|
|
for f in self.cluster.followers():
|
|
|
|
self.assertEqual(n.APIAddr(), f.redirect_addr())
|
|
|
|
|
|
|
|
class TestEndToEndNonVoterFollowsLeader(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
n0 = Node(RQLITED_PATH, '0')
|
|
|
|
n0.start()
|
|
|
|
n0.wait_for_leader()
|
|
|
|
|
|
|
|
n1 = Node(RQLITED_PATH, '1')
|
|
|
|
n1.start(join=n0.APIAddr())
|
|
|
|
n1.wait_for_leader()
|
|
|
|
|
|
|
|
n2 = Node(RQLITED_PATH, '2')
|
|
|
|
n2.start(join=n0.APIAddr())
|
|
|
|
n2.wait_for_leader()
|
|
|
|
|
|
|
|
self.non_voter = Node(RQLITED_PATH, '3', raft_voter=False)
|
|
|
|
self.non_voter.start(join=n0.APIAddr())
|
|
|
|
self.non_voter.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([n0, n1, n2, self.non_voter])
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
self.cluster.deprovision()
|
|
|
|
|
|
|
|
def test_execute_fail_nonvoter(self):
|
|
|
|
'''Test that a non-voter always picks up changes, even when leader changes'''
|
|
|
|
|
|
|
|
n = self.cluster.wait_for_leader()
|
|
|
|
j = n.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
n.wait_for_all_fsm()
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
# Kill leader, and then make more changes.
|
|
|
|
n0 = self.cluster.wait_for_leader().stop()
|
|
|
|
n1 = self.cluster.wait_for_leader(node_exc=n0)
|
|
|
|
n1.wait_for_all_applied()
|
|
|
|
j = n1.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
j = n1.execute('INSERT INTO foo(name) VALUES("declan")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 2, 'rows_affected': 1}]}"))
|
|
|
|
|
|
|
|
# Confirm non-voter sees changes made through old and new leader.
|
|
|
|
self.non_voter.wait_for_fsm_index(n1.fsm_index())
|
|
|
|
j = self.non_voter.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona'], [2, 'declan']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
class TestEndToEndBackupRestore(unittest.TestCase):
|
|
|
|
def test_backup_restore(self):
|
|
|
|
fd, self.db_file = tempfile.mkstemp()
|
|
|
|
os.close(fd)
|
|
|
|
|
|
|
|
self.node0 = Node(RQLITED_PATH, '0')
|
|
|
|
self.node0.start()
|
|
|
|
self.node0.wait_for_leader()
|
|
|
|
self.node0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.node0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.node0.wait_for_all_fsm()
|
|
|
|
|
|
|
|
self.node0.backup(self.db_file)
|
|
|
|
conn = sqlite3.connect(self.db_file)
|
|
|
|
rows = conn.execute('SELECT * FROM foo').fetchall()
|
|
|
|
self.assertEqual(len(rows), 1)
|
|
|
|
self.assertEqual(rows[0], (1, 'fiona'))
|
|
|
|
conn.close()
|
|
|
|
|
|
|
|
self.node1 = Node(RQLITED_PATH, '1')
|
|
|
|
self.node1.start()
|
|
|
|
self.node1.wait_for_leader()
|
|
|
|
j = self.node1.restore(self.db_file)
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = self.node1.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
if hasattr(self, 'node0'):
|
|
|
|
deprovision_node(self.node0)
|
|
|
|
if hasattr(self, 'node1'):
|
|
|
|
deprovision_node(self.node1)
|
|
|
|
os.remove(self.db_file)
|
|
|
|
|
|
|
|
class TestEndToEndSnapRestoreSingle(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
self.n0 = Node(RQLITED_PATH, '0', raft_snap_threshold=10, raft_snap_int="1s")
|
|
|
|
self.n0.start()
|
|
|
|
self.n0.wait_for_leader()
|
|
|
|
|
|
|
|
def waitForSnapIndex(self, n):
|
|
|
|
timeout = 10
|
|
|
|
t = 0
|
|
|
|
while True:
|
|
|
|
if t > timeout:
|
|
|
|
raise Exception('timeout')
|
|
|
|
if self.n0.last_snapshot_index() >= n:
|
|
|
|
break
|
|
|
|
time.sleep(1)
|
|
|
|
t+=1
|
|
|
|
|
|
|
|
def test_snap_and_restart(self):
|
|
|
|
'''Check that an node restarts correctly after multiple snapshots'''
|
|
|
|
|
|
|
|
# Let's get multiple snapshots done.
|
|
|
|
self.n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
|
|
|
|
for i in range(0,200):
|
|
|
|
self.n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.n0.wait_for_all_fsm()
|
|
|
|
self.waitForSnapIndex(175)
|
|
|
|
|
|
|
|
# Ensure node has the full correct state.
|
|
|
|
j = self.n0.query('SELECT count(*) FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[200]], 'types': [''], 'columns': ['count(*)']}]}"))
|
|
|
|
|
|
|
|
# Restart node, and make sure it comes back with the correct state
|
|
|
|
self.n0.stop()
|
|
|
|
self.n0.start()
|
|
|
|
self.n0.wait_for_leader()
|
|
|
|
self.n0.wait_for_all_applied()
|
|
|
|
self.assertEqual(self.n0.expvar()['store']['num_restores'], 1)
|
|
|
|
|
|
|
|
j = self.n0.query('SELECT count(*) FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[200]], 'types': [''], 'columns': ['count(*)']}]}"))
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
deprovision_node(self.n0)
|
|
|
|
|
|
|
|
class TestEndToEndSnapRestoreSingleOnDisk(TestEndToEndSnapRestoreSingle):
|
|
|
|
def setUp(self):
|
|
|
|
self.n0 = Node(RQLITED_PATH, '0', raft_snap_threshold=10, raft_snap_int="1s", on_disk=True)
|
|
|
|
self.n0.start()
|
|
|
|
self.n0.wait_for_leader()
|
|
|
|
|
|
|
|
class TestEndToEndSnapRestoreCluster(unittest.TestCase):
|
|
|
|
def waitForSnap(self, n):
|
|
|
|
timeout = 10
|
|
|
|
t = 0
|
|
|
|
while True:
|
|
|
|
if t > timeout:
|
|
|
|
raise Exception('timeout')
|
|
|
|
if self.n0.expvar()['store']['num_snapshots'] is n:
|
|
|
|
break
|
|
|
|
time.sleep(1)
|
|
|
|
t+=1
|
|
|
|
|
|
|
|
def test_join_with_snap(self):
|
|
|
|
|
|
|
|
'''Check that a node joins a cluster correctly via a snapshot'''
|
|
|
|
self.n0 = Node(RQLITED_PATH, '0', raft_snap_threshold=100, raft_snap_int="1s")
|
|
|
|
self.n0.start()
|
|
|
|
self.n0.wait_for_leader()
|
|
|
|
|
|
|
|
# Let's get TWO snapshots done.
|
|
|
|
self.n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
for i in range(0,100):
|
|
|
|
self.n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.n0.wait_for_all_fsm()
|
|
|
|
self.waitForSnap(1)
|
|
|
|
|
|
|
|
for i in range(0,100):
|
|
|
|
self.n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.n0.wait_for_all_fsm()
|
|
|
|
self.waitForSnap(2)
|
|
|
|
|
|
|
|
# Add two more nodes to the cluster
|
|
|
|
self.n1 = Node(RQLITED_PATH, '1')
|
|
|
|
self.n1.start(join=self.n0.APIAddr())
|
|
|
|
self.n1.wait_for_leader()
|
|
|
|
|
|
|
|
self.n2 = Node(RQLITED_PATH, '2')
|
|
|
|
self.n2.start(join=self.n0.APIAddr())
|
|
|
|
self.n2.wait_for_leader()
|
|
|
|
|
|
|
|
# Force the Apply loop to run on the node, so fsm_index is updated.
|
|
|
|
self.n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
|
|
|
|
# Ensure those new nodes have the full correct state.
|
|
|
|
self.n1.wait_for_fsm_index(self.n0.fsm_index())
|
|
|
|
j = self.n1.query('SELECT count(*) FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[201]], 'types': [''], 'columns': ['count(*)']}]}"))
|
|
|
|
|
|
|
|
self.n2.wait_for_fsm_index(self.n0.fsm_index())
|
|
|
|
j = self.n2.query('SELECT count(*) FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[201]], 'types': [''], 'columns': ['count(*)']}]}"))
|
|
|
|
|
|
|
|
# Kill one of the nodes, and make more changes, enough to trigger more snaps.
|
|
|
|
self.n2.stop()
|
|
|
|
|
|
|
|
for i in range(0,100):
|
|
|
|
self.n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.n0.wait_for_all_fsm()
|
|
|
|
self.waitForSnap(3)
|
|
|
|
for i in range(0,100):
|
|
|
|
self.n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.n0.wait_for_all_fsm()
|
|
|
|
self.waitForSnap(4)
|
|
|
|
|
|
|
|
# Restart killed node, check it has full state.
|
|
|
|
self.n2.start()
|
|
|
|
self.n2.wait_for_leader()
|
|
|
|
|
|
|
|
# Force the Apply loop to run on the node twice, so fsm_index is updated on n2 to a point
|
|
|
|
# where the SQLite database on n2 is updated.
|
|
|
|
self.n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.n2.query('SELECT count(*) FROM foo', level='strong')
|
|
|
|
|
|
|
|
self.n2.wait_for_fsm_index(self.n0.fsm_index())
|
|
|
|
j = self.n2.query('SELECT count(*) FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[402]], 'types': [''], 'columns': ['count(*)']}]}"))
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
deprovision_node(self.n0)
|
|
|
|
deprovision_node(self.n1)
|
|
|
|
deprovision_node(self.n2)
|
|
|
|
|
|
|
|
class TestIdempotentJoin(unittest.TestCase):
|
|
|
|
def tearDown(self):
|
|
|
|
deprovision_node(self.n0)
|
|
|
|
deprovision_node(self.n1)
|
|
|
|
|
|
|
|
def test(self):
|
|
|
|
'''Test that a node performing two join requests works fine'''
|
|
|
|
self.n0 = Node(RQLITED_PATH, '0')
|
|
|
|
self.n0.start()
|
|
|
|
self.n0.wait_for_leader()
|
|
|
|
|
|
|
|
self.n1 = Node(RQLITED_PATH, '1')
|
|
|
|
self.n1.start(join=self.n0.APIAddr())
|
|
|
|
self.n1.wait_for_leader()
|
|
|
|
|
|
|
|
self.assertEqual(self.n0.num_join_requests(), 1)
|
|
|
|
|
|
|
|
self.n1.stop()
|
|
|
|
self.n1.start(join=self.n0.APIAddr())
|
|
|
|
self.n1.wait_for_leader()
|
|
|
|
self.assertEqual(self.n0.num_join_requests(), 2)
|
|
|
|
|
|
|
|
class TestJoinCatchup(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
self.n0 = Node(RQLITED_PATH, '0')
|
|
|
|
self.n0.start()
|
|
|
|
self.n0.wait_for_leader()
|
|
|
|
|
|
|
|
self.n1 = Node(RQLITED_PATH, '1')
|
|
|
|
self.n1.start(join=self.n0.APIAddr())
|
|
|
|
self.n1.wait_for_leader()
|
|
|
|
|
|
|
|
self.n2 = Node(RQLITED_PATH, '2')
|
|
|
|
self.n2.start(join=self.n0.APIAddr())
|
|
|
|
self.n2.wait_for_leader()
|
|
|
|
|
|
|
|
self.cluster = Cluster([self.n0, self.n1, self.n2])
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
self.cluster.deprovision()
|
|
|
|
|
|
|
|
def test_no_change_id_addr(self):
|
|
|
|
'''Test that a node rejoining without changing ID or address picks up changes'''
|
|
|
|
n0 = self.cluster.wait_for_leader()
|
|
|
|
j = n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n0.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
applied = n0.wait_for_all_fsm()
|
|
|
|
|
|
|
|
# Test that follower node has correct state in local database, and then kill the follower
|
|
|
|
self.n1.wait_for_fsm_index(applied)
|
|
|
|
j = self.n1.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
self.n1.stop()
|
|
|
|
|
|
|
|
# Insert a new record
|
|
|
|
j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 2, 'rows_affected': 1}]}"))
|
|
|
|
j = n0.query('SELECT COUNT(*) FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[2]], 'types': [''], 'columns': ['COUNT(*)']}]}"))
|
|
|
|
applied = n0.wait_for_all_fsm()
|
|
|
|
|
|
|
|
# Restart follower, explicity rejoin, and ensure it picks up new records
|
|
|
|
self.n1.start(join=self.n0.APIAddr())
|
|
|
|
self.n1.wait_for_leader()
|
|
|
|
self.n1.wait_for_fsm_index(applied)
|
|
|
|
self.assertEqual(n0.expvar()['store']['num_ignored_joins'], 1)
|
|
|
|
j = self.n1.query('SELECT COUNT(*) FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[2]], 'types': [''], 'columns': ['COUNT(*)']}]}"))
|
|
|
|
|
|
|
|
def test_change_addresses(self):
|
|
|
|
'''Test that a node rejoining with new addresses works fine'''
|
|
|
|
n0 = self.cluster.wait_for_leader()
|
|
|
|
j = n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
|
|
|
|
self.assertEqual(j, d_("{'results': [{}]}"))
|
|
|
|
j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 1, 'rows_affected': 1}]}"))
|
|
|
|
j = n0.query('SELECT * FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
applied = n0.wait_for_all_fsm()
|
|
|
|
|
|
|
|
# Test that follower node has correct state in local database, and then kill the follower
|
|
|
|
self.n1.wait_for_fsm_index(applied)
|
|
|
|
j = self.n1.query('SELECT * FROM foo', level='none')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
|
|
|
|
self.n1.stop()
|
|
|
|
|
|
|
|
# Insert a new record
|
|
|
|
j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'last_insert_id': 2, 'rows_affected': 1}]}"))
|
|
|
|
j = n0.query('SELECT COUNT(*) FROM foo')
|
|
|
|
self.assertEqual(j, d_("{'results': [{'values': [[2]], 'types': [''], 'columns': ['COUNT(*)']}]}"))
|
|
|
|
applied = n0.wait_for_all_fsm()
|
|
|
|
|
|
|
|
# Restart follower with new network attributes, explicity rejoin, and ensure it picks up new records
|
|
|
|
self.n1.scramble_network()
|
|
|
|
self.n1.start(join=self.n0.APIAddr())
|
|
|
|
self.n1.wait_for_leader()
|
|
|
|
self.assertEqual(n0.expvar()['store']['num_removed_before_joins'], 1)
|
|
|
|
self.n1.wait_for_fsm_index(applied)
|
|
|
|
j = self.n1.query('SELECT COUNT(*) FROM foo', level='none')
|
|
|
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self.assertEqual(j, d_("{'results': [{'values': [[2]], 'types': [''], 'columns': ['COUNT(*)']}]}"))
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class TestRedirectedJoin(unittest.TestCase):
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def tearDown(self):
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deprovision_node(self.n0)
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deprovision_node(self.n1)
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deprovision_node(self.n2)
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def test(self):
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'''Test that a node can join via a follower'''
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self.n0 = Node(RQLITED_PATH, '0')
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self.n0.start()
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l0 = self.n0.wait_for_leader()
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self.n1 = Node(RQLITED_PATH, '1')
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self.n1.start(join=self.n0.APIAddr())
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self.n1.wait_for_leader()
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self.assertTrue(self.n1.is_follower())
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self.n2 = Node(RQLITED_PATH, '2')
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self.n2.start(join=self.n1.APIAddr())
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l2 = self.n2.wait_for_leader()
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self.assertEqual(l0, l2)
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|
def test_api_adv(self):
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|
'''Test that a node can join via a follower that advertises a different API address'''
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|
self.n0 = Node(RQLITED_PATH, '0',
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|
|
api_addr="0.0.0.0:4001", api_adv="localhost:4001")
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self.n0.start()
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l0 = self.n0.wait_for_leader()
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|
|
|
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|
|
self.n1 = Node(RQLITED_PATH, '1')
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|
|
|
self.n1.start(join=self.n0.APIAddr())
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|
|
self.n1.wait_for_leader()
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|
|
self.assertTrue(self.n1.is_follower())
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|
|
|
|
|
|
|
self.n2 = Node(RQLITED_PATH, '2')
|
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|
|
self.n2.start(join=self.n1.APIAddr())
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|
|
l2 = self.n2.wait_for_leader()
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|
|
self.assertEqual(l0, l2)
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|
if __name__ == "__main__":
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|
unittest.main(verbosity=2)
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