def clean(self, logs=False):
"""Clean cluster
Delete redis config, data, node configuration.
:param log: Delete log of redis
"""
if not isinstance(logs, bool):
msg = message.get('error_option_type_not_boolean')
msg = msg.format(option='logs')
logger.error(msg)
return
center = Center()
center.update_ip_port()
if logs:
center.remove_all_of_redis_log_force()
return
center.cluster_clean()
msg = message.get('apply_after_restart')
logger.info(msg)
def _deploy(cluster_id, history_save, clean):
deploy_state = DeployUtil().get_state(cluster_id)
if deploy_state == DEPLOYED:
msg = message.get('ask_deploy_again')
msg = msg.format(cluster_id=cluster_id)
msg = color.yellow(msg)
yes = ask_util.askBool(msg, default='n')
if not yes:
logger.info(message.get('cancel'))
return
restore_yes = None
no_localhost = False
current_time = time.strftime("%Y%m%d%H%M%S", time.gmtime())
cluster_backup_dir = 'cluster_{}_bak_{}'.format(cluster_id, current_time)
conf_backup_dir = 'cluster_{}_conf_bak_{}'.format(cluster_id, current_time)
tmp_backup_dir = 'cluster_{}_conf_bak_{}'.format(cluster_id, 'tmp')
meta = [['NAME', 'VALUE']]
path_of_fb = config.get_path_of_fb(cluster_id)
conf_path = path_of_fb['conf_path']
props_path = path_of_fb['redis_properties']
cluster_path = path_of_fb['cluster_path']
path_of_cli = config.get_path_of_cli(cluster_id)
conf_backup_path = path_of_cli['conf_backup_path']
tmp_backup_path = os.path.join(conf_backup_path, tmp_backup_dir)
local_ip = config.get_local_ip()
# ask installer
installer_path = ask_util.installer()
installer_name = os.path.basename(installer_path)
meta.append(['installer', installer_name])
# ask restore conf
if deploy_state == DEPLOYED:
restore_yes = ask_util.askBool(message.get('ask_restore_conf'))
meta.append(['restore', restore_yes])
# input props
hosts = []
if deploy_state == DEPLOYED:
if restore_yes:
meta += DeployUtil().get_meta_from_props(props_path)
hosts = config.get_props(props_path, 'sr2_redis_master_hosts')
else:
if not os.path.isdir(conf_backup_path):
os.mkdir(conf_backup_path)
if os.path.exists(tmp_backup_path):
msg = message.get('ask_load_history_of_previous_modification')
yes = ask_util.askBool(msg)
if not yes:
shutil.rmtree(tmp_backup_path)
if not os.path.exists(tmp_backup_path):
os.mkdir(tmp_backup_path)
shutil.copy(os.path.join(conf_path, 'redis.properties'),
os.path.join(tmp_backup_path, 'redis.properties'))
tmp_props_path = os.path.join(tmp_backup_path, 'redis.properties')
editor.edit(tmp_props_path, syntax='sh')
meta += DeployUtil().get_meta_from_props(tmp_props_path)
hosts = config.get_props(tmp_props_path, 'sr2_redis_master_hosts')
else:
# new deploy
props_dict = ask_util.props(cluster_id, save=history_save)
hosts = props_dict['hosts']
meta += DeployUtil().get_meta_from_dict(props_dict)
utils.print_table(meta)
msg = message.get('confirm_deploy_information')
yes = ask_util.askBool(msg)
if not yes:
logger.info(message.get('cancel'))
return
# check node status
success = Center().check_hosts_connection(hosts, True)
if not success:
msg = message.get('error_exist_unavailable_host')
logger.error(msg)
return
logger.debug('Connection of all hosts ok.')
success = Center().check_include_localhost(hosts)
if not success:
no_localhost = True
# get port info
if deploy_state == DEPLOYED:
if restore_yes:
key = 'sr2_redis_master_ports'
m_ports = config.get_props(props_path, key, [])
key = 'sr2_redis_slave_ports'
s_ports = config.get_props(props_path, key, [])
replicas = len(s_ports) // len(m_ports)
else:
key = 'sr2_redis_master_ports'
m_ports = config.get_props(tmp_props_path, key, [])
key = 'sr2_redis_slave_ports'
s_ports = config.get_props(tmp_props_path, key, [])
replicas = len(s_ports) // len(m_ports)
else:
m_ports = props_dict['master_ports']
s_ports = props_dict['slave_ports']
replicas = props_dict['replicas']
while True:
msg = message.get('check_port')
logger.info(msg)
host_ports_list = []
for host in hosts:
host_ports_list.append((host, m_ports + s_ports))
conflict = Center().check_port_is_enable(host_ports_list)
if not conflict:
logger.info("OK")
break
utils.print_table([["HOST", "PORT"]] + conflict)
msg = message.get('ask_port_collision')
msg = color.yellow(msg)
yes = ask_util.askBool(msg)
if yes:
logger.info("OK")
break
m_ports = ask_util.master_ports(False, cluster_id)
replicas = ask_util.replicas(False)
s_ports = ask_util.slave_ports(cluster_id, len(m_ports), replicas)
if deploy_state == DEPLOYED:
if restore_yes:
key = 'sr2_redis_master_ports'
value = cluster_util.convert_list_2_seq(m_ports)
config.set_props(props_path, key, value)
key = 'sr2_redis_slave_ports'
value = cluster_util.convert_list_2_seq(s_ports)
config.set_props(props_path, key, value)
else:
key = 'sr2_redis_master_ports'
value = cluster_util.convert_list_2_seq(m_ports)
config.set_props(tmp_props_path, key, value)
key = 'sr2_redis_slave_ports'
value = cluster_util.convert_list_2_seq(s_ports)
config.set_props(tmp_props_path, key, value)
else:
props_dict['master_ports'] = m_ports
props_dict['slave_ports'] = s_ports
props_dict['replicas'] = replicas
# if pending, delete legacy on each hosts
if no_localhost:
if DeployUtil().get_state(cluster_id, local_ip) == PENDING:
client = net.get_ssh(local_ip)
command = 'rm -rf {}'.format(cluster_path)
net.ssh_execute(client=client, command=command)
client.close()
for host in hosts:
if DeployUtil().get_state(cluster_id, host) == PENDING:
client = net.get_ssh(host)
command = 'rm -rf {}'.format(cluster_path)
net.ssh_execute(client=client, command=command)
client.close()
# added_hosts = post_hosts - pre_hosts
msg = message.get('check_cluster_exist')
logger.info(msg)
added_hosts = set(hosts)
meta = []
if deploy_state == DEPLOYED:
pre_hosts = config.get_props(props_path, 'sr2_redis_master_hosts')
added_hosts -= set(pre_hosts)
can_deploy = True
if no_localhost:
added_hosts |= set([local_ip])
for host in added_hosts:
client = net.get_ssh(host)
is_localhost = Center().is_localhost(host)
if is_localhost:
if no_localhost:
continue
if os.path.exists(cluster_path + '/remote'):
meta.append([host, color.green('CLEAN')])
continue
if net.is_exist(client, cluster_path):
meta.append([host, color.red('CLUSTER EXIST')])
can_deploy = False
continue
meta.append([host, color.green('CLEAN')])
if meta:
utils.print_table([['HOST', 'STATUS']] + meta)
if not can_deploy:
msg = message.get('error_cluster_collision')
logger.error(msg)
return
# if not force:
# logger.error("If you trying to force, use option '--force'")
# return
logger.info('OK')
# cluster stop and clean
if deploy_state == DEPLOYED and clean:
center = Center()
cur_cluster_id = config.get_cur_cluster_id(allow_empty_id=True)
run_cluster_use(cluster_id)
center.update_ip_port()
center.stop_redis()
center.remove_all_of_redis_log_force()
center.cluster_clean()
run_cluster_use(cur_cluster_id)
# backup conf
if deploy_state == DEPLOYED:
Center().conf_backup(local_ip, cluster_id, conf_backup_dir)
# backup cluster
backup_hosts = []
if deploy_state == DEPLOYED:
backup_hosts += set(pre_hosts)
# if force:
# backup_hosts += added_hosts
for host in backup_hosts:
cluster_path = path_of_fb['cluster_path']
client = net.get_ssh(host)
Center().cluster_backup(host, cluster_id, cluster_backup_dir)
client.close()
# transfer & install
msg = message.get('transfer_and_execute_installer')
logger.info(msg)
target_hosts = hosts + [local_ip] if no_localhost else hosts
for host in target_hosts:
if not (no_localhost and Center().is_localhost(host)):
logger.info(' - {}'.format(host))
client = net.get_ssh(host)
cmd = 'mkdir -p {0} && touch {0}/.deploy.state'.format(cluster_path)
net.ssh_execute(client=client, command=cmd)
client.close()
DeployUtil().transfer_installer(host, cluster_id, installer_path)
try:
DeployUtil().install(host, cluster_id, installer_name)
except SSHCommandError as ex:
msg = message.get('error_execute_installer')
msg = msg.format(installer=installer_path)
logger.error(msg)
logger.exception(ex)
return
# setup props
if deploy_state == DEPLOYED:
if restore_yes:
tag = conf_backup_dir
else:
tag = tmp_backup_dir
Center().conf_restore(local_ip, cluster_id, tag)
else:
key = 'sr2_redis_master_hosts'
config.make_key_enable(props_path, key)
config.set_props(props_path, key, props_dict['hosts'])
key = 'sr2_redis_master_ports'
config.make_key_enable(props_path, key)
value = cluster_util.convert_list_2_seq(props_dict['master_ports'])
config.set_props(props_path, key, value)
key = 'sr2_redis_slave_hosts'
config.make_key_enable(props_path, key)
config.set_props(props_path, key, props_dict['hosts'])
config.make_key_disable(props_path, key)
if props_dict['replicas'] > 0:
key = 'sr2_redis_slave_hosts'
config.make_key_enable(props_path, key)
key = 'sr2_redis_slave_ports'
config.make_key_enable(props_path, key)
value = cluster_util.convert_list_2_seq(props_dict['slave_ports'])
config.set_props(props_path, key, value)
key = 'ssd_count'
config.make_key_enable(props_path, key)
config.set_props(props_path, key, props_dict['ssd_count'])
key = 'sr2_redis_data'
config.make_key_enable(props_path, key, v1_flg=True)
config.make_key_enable(props_path, key, v1_flg=True)
config.make_key_disable(props_path, key)
config.set_props(props_path, key, props_dict['prefix_of_db_path'])
key = 'sr2_redis_db_path'
config.make_key_enable(props_path, key, v1_flg=True)
config.make_key_enable(props_path, key, v1_flg=True)
config.make_key_disable(props_path, key)
config.set_props(props_path, key, props_dict['prefix_of_db_path'])
key = 'sr2_flash_db_path'
config.make_key_enable(props_path, key, v1_flg=True)
config.make_key_enable(props_path, key, v1_flg=True)
config.make_key_disable(props_path, key)
config.set_props(props_path, key, props_dict['prefix_of_db_path'])
# synk props
msg = message.get('sync_conf')
logger.info(msg)
for node in hosts:
if socket.gethostbyname(node) in config.get_local_ip_list():
continue
client = net.get_ssh(node)
if not client:
msg = message.get('error_ssh_connection').format(host=node)
logger.error(msg)
return
net.copy_dir_to_remote(client, conf_path, conf_path)
client.close()
# set deploy state complete
if os.path.exists(tmp_backup_path):
shutil.rmtree(tmp_backup_path)
for node in target_hosts:
path_of_fb = config.get_path_of_fb(cluster_id)
cluster_path = path_of_fb['cluster_path']
client = net.get_ssh(node)
cmd = 'rm -rf {}'.format(os.path.join(cluster_path, '.deploy.state'))
net.ssh_execute(client=client, command=cmd)
client.close()
if no_localhost:
os.system('touch {}/remote'.format(cluster_path))
msg = message.get('complete_deploy').format(cluster_id=cluster_id)
logger.info(msg)
Cluster().use(cluster_id)
msg = message.get('suggest_after_deploy')
logger.info(msg)
def add_slave(self, yes=False):
"""Add slave of cluster
Add slaves to cluster that configured master only.
:param yes: Skip confirm information
"""
logger.debug('add_slave')
if not isinstance(yes, bool):
msg = message.get('error_option_type_not_boolean')
msg = msg.format(option='yes')
logger.error(msg)
return
center = Center()
center.update_ip_port()
# check
s_hosts = center.slave_host_list
s_ports = center.slave_port_list
if not s_hosts:
msg = message.get('error_slave_host_empty')
raise ClusterRedisError(msg)
if not s_ports:
msg = message.get('error_slave_port_empty')
raise ClusterRedisError(msg)
success = center.check_hosts_connection(hosts=s_hosts)
if not success:
return
center.ensure_cluster_exist()
slave_alive_count = center.get_alive_slave_redis_count()
slave_alive_count_mine = center.get_alive_slave_redis_count(
check_owner=True
)
not_mine_count = slave_alive_count - slave_alive_count_mine
if not_mine_count > 0:
msg = message.get('error_cluster_start_slave_collision')
msg = '\n'.join(msg).format(count=not_mine_count)
raise LightningDBError(12, msg)
# confirm info
result = center.confirm_node_port_info(skip=yes)
if not result:
msg = message.get('cancel')
logger.warning(msg)
return
# clean
center.cluster_clean(master=False)
# backup logs
center.backup_server_logs(master=False)
center.create_redis_data_directory(master=False)
# configure
center.configure_redis(master=False)
center.sync_conf()
# start
center.start_redis_process(master=False)
center.wait_until_all_redis_process_up()
# change redis config temporarily
key = 'cluster-node-timeout'
origin_s_value = center.cli_config_get(key, s_hosts[0], s_ports[0])
if not origin_s_value:
msg = "RedisConfigKeyError: '{}'".format(key)
logger.warning(msg)
if origin_s_value:
# cli config set cluster-node-timeout 2000
logger.debug('set cluster node time out 2000 for create')
center.cli_config_set_all(key, '2000', s_hosts, s_ports)
# create
center.replicate()
if origin_s_value:
# cli config restore cluster-node-timeout
logger.debug('restore cluster node time out')
center.cli_config_set_all(key, origin_s_value, s_hosts, s_ports)
