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##############################################################################
# Copyright (c) 2017 ZTE Corporation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import os
import paramiko
import scp
import tempfile
import time
import yaml
from utils import (
WORKSPACE,
LD,
LI,
LW,
err_exit,
log_bar,
path_join,
update_config
)
TIMEOUT = 300
BLOCK_SIZE = 1024
def log_from_stream(res, data, log_func):
lines = data.splitlines()
res_data = res
if res_data:
lines[0] = res_data + lines[0]
res_data = None
if not data.endswith("\n"):
res_data = lines[-1]
del (lines[-1])
for string in lines:
log_func(string)
if res_data and len(res_data) >= BLOCK_SIZE:
log_func(res_data)
res_data = None
return res_data
LEN_OF_NAME_PART = 50
LEN_OF_SIZE_PART = 15
def log_scp(filename, size, send):
if size != send:
return
unit = " B"
if size > 1024:
size /= 1024
unit = " KB"
if size > 1024:
size /= 1024
unit = " MB"
name_part = 'SCP: ' + filename + ' '
size_part = ' ' + str(size) + unit + ' 100%'
if len(name_part) <= LEN_OF_NAME_PART:
LD(name_part.ljust(LEN_OF_NAME_PART, '.') + size_part.rjust(LEN_OF_SIZE_PART, '.'))
else:
LD(name_part)
LD(" ".ljust(LEN_OF_NAME_PART, '.') + size_part.rjust(LEN_OF_SIZE_PART, '.'))
class DaisyServer(object):
def __init__(self, name, address, password, remote_dir, bin_file,
adapter, scenario, deploy_file_name, net_file_name):
self.name = name
self.address = address
self.password = password
self.remote_dir = remote_dir
self.bin_file = bin_file
self.adapter = adapter
self.ssh_client = None
self.scenario = scenario
self.deploy_file_name = deploy_file_name
self.net_file_name = net_file_name
def connect(self):
LI('Try to connect to Daisy Server ...')
self.ssh_client = paramiko.SSHClient()
self.ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
count = 0
MAX_COUNT = 120
while count < MAX_COUNT:
try:
self.ssh_client.connect(hostname=self.address,
username='root',
password=self.password,
timeout=TIMEOUT)
except (paramiko.ssh_exception.SSHException,
paramiko.ssh_exception.NoValidConnectionsError):
count += 1
LD('Attempted SSH connection %d time(s)' % count)
time.sleep(2)
else:
break
if count >= MAX_COUNT:
err_exit('SSH connect to Daisy Server failed')
LI('SSH connection established')
LI('Try ssh_run: ls -al')
self.ssh_run('ls -al', check=True)
def close(self):
self.ssh_client.close()
def ssh_exec_cmd(self, cmd):
stdin, stdout, stderr = self.ssh_client.exec_command(cmd, timeout=TIMEOUT)
response = stdout.read().strip()
error = stderr.read().strip()
if error:
self.close()
err_exit('SSH client error occurred')
else:
return response
def ssh_run(self, cmd, check=False, exit_msg='Ssh_run failed'):
transport = self.ssh_client.get_transport()
transport.set_keepalive(1)
session = transport.open_session()
res_data = None
session.exec_command(cmd)
while True:
if session.recv_ready():
data = session.recv(BLOCK_SIZE)
while data:
res_data = log_from_stream(res_data, data, LI)
data = session.recv(BLOCK_SIZE)
if res_data:
LI(res_data)
res_data = None
if session.recv_stderr_ready():
data = session.recv_stderr(BLOCK_SIZE)
while data:
res_data = log_from_stream(res_data, data, LW)
data = session.recv_stderr(BLOCK_SIZE)
if res_data:
LW(res_data)
res_data = None
if session.exit_status_ready():
break
status = session.recv_exit_status()
if check and status:
err_exit(exit_msg)
return status
def scp_get(self, remote, local='.'):
scp_client = scp.SCPClient(self.ssh_client.get_transport(),
progress=log_scp,
socket_timeout=TIMEOUT)
scp_client.get(remote, local_path=local, recursive=True)
def scp_put(self, local, remote='.'):
scp_client = scp.SCPClient(self.ssh_client.get_transport(),
progress=log_scp,
socket_timeout=TIMEOUT)
scp_client.put(local, remote_path=remote, recursive=True)
def create_dir(self, remote_dir):
cmd = 'mkdir -p %s' % remote_dir
self.ssh_exec_cmd(cmd)
def delete_dir(self, remote_dir):
cmd = 'if [[ -f {DIR} || -d {DIR} ]]; then rm -fr {DIR}; fi'.format(DIR=remote_dir)
self.ssh_exec_cmd(cmd)
def prepare_files(self):
self.delete_dir(self.remote_dir)
LI('Copy WORKSPACE directory to Daisy Server')
self.scp_put(WORKSPACE, self.remote_dir)
time.sleep(2)
LI('Copy finished')
self.create_dir('/home/daisy_install')
LI('Write Daisy Server address into daisy.conf')
update_config(path_join(WORKSPACE, 'deploy/daisy.conf'),
'daisy_management_ip',
self.address,
section='DEFAULT')
LI('Copy daisy.conf to Daisy Server')
self.scp_put(path_join(WORKSPACE, 'deploy/daisy.conf'), '/home/daisy_install/')
if os.path.dirname(os.path.abspath(self.bin_file)) != WORKSPACE:
LI('Copy opnfv.bin to Daisy Server')
self.scp_put(self.bin_file, path_join(self.remote_dir, 'opnfv.bin'))
def install_daisy(self):
self.prepare_files()
LI('Begin to install Daisy')
status = self.ssh_run('%s install' % path_join(self.remote_dir, 'opnfv.bin'))
log_bar('Daisy installation completed ! status = %s' % status)
def prepare_configurations(self, deploy_file, net_file):
LI('Copy cluster configuration files to Daisy Server')
self.scp_put(deploy_file, path_join(self.remote_dir, self.deploy_file_name))
self.scp_put(net_file, path_join(self.remote_dir, self.net_file_name))
if self.adapter != 'libvirt':
return
LI('Prepare some configuration files')
cmd = 'export PYTHONPATH={python_path}; python {script} -nw {net_file} -b {is_bare}'.format(
python_path=self.remote_dir,
script=path_join(self.remote_dir, 'deploy/prepare/execute.py'),
net_file=path_join(self.remote_dir, self.net_file_name),
is_bare=1 if self.adapter == 'ipmi' else 0)
self.ssh_run(cmd)
def prepare_cluster(self):
LI('Prepare cluster and PXE')
cmd = "python {script} --dha {deploy_file} --network {net_file} --cluster \'yes\'".format(
script=path_join(self.remote_dir, 'deploy/tempest.py'),
deploy_file=path_join(self.remote_dir, self.deploy_file_name),
net_file=path_join(self.remote_dir, self.net_file_name))
self.ssh_run(cmd, check=True)
def copy_new_deploy_config(self, data):
(dummy, conf_file) = tempfile.mkstemp()
with open(conf_file, 'w') as fh:
fh.write(yaml.safe_dump(data))
fh.flush()
self.scp_put(conf_file, path_join(self.remote_dir, self.deploy_file_name))
def prepare_host_and_pxe(self):
LI('Prepare host and PXE')
cmd = "python {script} --dha {deploy_file} --network {net_file} --host \'yes\' --isbare {is_bare} --scenario {scenario}".format(
script=path_join(self.remote_dir, 'deploy/tempest.py'),
deploy_file=path_join(self.remote_dir, self.deploy_file_name),
net_file=path_join(self.remote_dir, self.net_file_name),
is_bare=1 if self.adapter == 'ipmi' else 0,
scenario=self.scenario)
self.ssh_run(cmd, check=True)
def install_virtual_nodes(self):
LI('Daisy install virtual nodes')
cmd = "python {script} --dha {deploy_file} --network {net_file} --install \'yes\'".format(
script=path_join(self.remote_dir, 'deploy/tempest.py'),
deploy_file=path_join(self.remote_dir, self.deploy_file_name),
net_file=path_join(self.remote_dir, self.net_file_name))
self.ssh_run(cmd, check=True)
def check_os_installation(self, nodes_num):
LI('Check Operating System installation progress')
cmd = '{script} -d {is_bare} -n {nodes_num}'.format(
script=path_join(self.remote_dir, 'deploy/check_os_progress.sh'),
is_bare=1 if self.adapter == 'ipmi' else 0,
nodes_num=nodes_num)
self.ssh_run(cmd, check=True)
def check_openstack_installation(self, nodes_num):
LI('Check OpenStack installation progress')
cmd = '{script} -n {nodes_num}'.format(
script=path_join(self.remote_dir, 'deploy/check_openstack_progress.sh'),
nodes_num=nodes_num)
self.ssh_run(cmd, check=True)
def post_deploy(self):
LI('Post deploy ...')
cmd = 'export PYTHONPATH={python_path}; python {script} -nw {net_file}'.format(
python_path=self.remote_dir,
script=path_join(self.remote_dir, 'deploy/post/execute.py'),
net_file=path_join(self.remote_dir, self.net_file_name))
self.ssh_run(cmd, check=False)
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