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Gabriele Perrone
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#-----------------------------------------------------------
# Class Declaration
#-----------------------------------------------------------
class SSHConnection():
def __init__(self):
def open(self, ipaddress, username, password):
count = 0
connect_status = False
while count < 4:
self.ssh = pexpect.spawn('ssh', [username + '@' + ipaddress], timeout = 5)
self.sshresponse = self.ssh.expect(['Are you sure you want to continue connecting (yes/no)?', 'password:', 'Last login', pexpect.EOF, pexpect.TIMEOUT])
if self.sshresponse == 0:
self.ssh.sendline('yes')
self.ssh.expect('password:')
self.ssh.sendline(password)
self.sshresponse = self.ssh.expect(['\$', 'Permission denied', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if self.sshresponse == 0:
count = 10
connect_status = True
else:
logging.debug('self.sshresponse = ' + str(self.sshresponse))
elif self.sshresponse == 1:
self.ssh.sendline(password)
self.sshresponse = self.ssh.expect(['\$', 'Permission denied', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if self.sshresponse == 0:
count = 10
connect_status = True
else:
logging.debug('self.sshresponse = ' + str(self.sshresponse))
elif self.sshresponse == 2:
# Checking if we are really on the remote client defined by its IP address
self.command('stdbuf -o0 ifconfig | egrep --color=never "inet addr:|inet "', '\$', 5)
result = re.search(str(ipaddress), str(self.ssh.before))
if result is None:
self.close()
else:
count = 10
connect_status = True
else:
# debug output
logging.debug(str(self.ssh.before))
logging.debug('self.sshresponse = ' + str(self.sshresponse))
# adding a tempo when failure
if not connect_status:
time.sleep(1)
count += 1
if connect_status:
pass
else:
sys.exit('CiTestObj.Connection Failed')
def command(self, commandline, expectedline, timeout):
logging.debug(commandline)
self.ssh.timeout = timeout
self.ssh.sendline(commandline)
self.sshresponse = self.ssh.expect([expectedline, pexpect.EOF, pexpect.TIMEOUT])
if self.sshresponse == 0:
return 0
elif self.sshresponse == 1:
logging.debug('\u001B[1;37;41m Unexpected EOF \u001B[0m')
logging.debug('Expected Line : ' + expectedline)
sys.exit(self.sshresponse)
elif self.sshresponse == 2:
logging.debug('\u001B[1;37;41m Unexpected TIMEOUT \u001B[0m')
logging.debug('Expected Line : ' + expectedline)
result = re.search('ping |iperf |picocom', str(commandline))
if result is None:
logging.debug(str(self.ssh.before))
sys.exit(self.sshresponse)
else:
return -1
else:
logging.debug('\u001B[1;37;41m Unexpected Others \u001B[0m')
logging.debug('Expected Line : ' + expectedline)
sys.exit(self.sshresponse)
def close(self):
self.ssh.timeout = 5
self.ssh.sendline('exit')
self.sshresponse = self.ssh.expect([pexpect.EOF, pexpect.TIMEOUT])
if self.sshresponse == 0:
pass
elif self.sshresponse == 1:
if not self.picocom_closure:
logging.debug('\u001B[1;37;41m Unexpected TIMEOUT during closing\u001B[0m')
else:
logging.debug('\u001B[1;37;41m Unexpected Others during closing\u001B[0m')
def copyin(self, ipaddress, username, password, source, destination):
count = 0
copy_status = False
logging.debug('scp '+ username + '@' + ipaddress + ':' + source + ' ' + destination)
while count < 10:
scp_spawn = pexpect.spawn('scp '+ username + '@' + ipaddress + ':' + source + ' ' + destination, timeout = 100)
scp_response = scp_spawn.expect(['Are you sure you want to continue connecting (yes/no)?', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if scp_response == 0:
scp_spawn.sendline('yes')
scp_spawn.expect('password:')
scp_spawn.sendline(password)
scp_response = scp_spawn.expect(['\$', 'Permission denied', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if scp_response == 0:
count = 10
copy_status = True
else:
logging.debug('1 - scp_response = ' + str(scp_response))
elif scp_response == 1:
scp_spawn.sendline(password)
scp_response = scp_spawn.expect(['\$', 'Permission denied', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if scp_response == 0 or scp_response == 3:
count = 10
copy_status = True
else:
logging.debug('2 - scp_response = ' + str(scp_response))
elif scp_response == 2:
count = 10
copy_status = True
else:
logging.debug('3 - scp_response = ' + str(scp_response))
# adding a tempo when failure
if not copy_status:
time.sleep(1)
count += 1
if copy_status:
return 0
else:
return -1
def copyout(self, ipaddress, username, password, source, destination):
count = 0
copy_status = False
logging.debug('scp ' + source + ' ' + username + '@' + ipaddress + ':' + destination)
while count < 4:
scp_spawn = pexpect.spawn('scp ' + source + ' ' + username + '@' + ipaddress + ':' + destination, timeout = 100)
scp_response = scp_spawn.expect(['Are you sure you want to continue connecting (yes/no)?', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if scp_response == 0:
scp_spawn.sendline('yes')
scp_spawn.expect('password:')
scp_spawn.sendline(password)
scp_response = scp_spawn.expect(['\$', 'Permission denied', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if scp_response == 0:
count = 10
copy_status = True
else:
logging.debug('1 - scp_response = ' + str(scp_response))
elif scp_response == 1:
scp_spawn.sendline(password)
scp_response = scp_spawn.expect(['\$', 'Permission denied', 'password:', pexpect.EOF, pexpect.TIMEOUT])
if scp_response == 0 or scp_response == 3:
count = 10
copy_status = True
else:
logging.debug('2 - scp_response = ' + str(scp_response))
elif scp_response == 2:
count = 10
copy_status = True
else:
logging.debug('3 - scp_response = ' + str(scp_response))
# adding a tempo when failure
if not copy_status:
time.sleep(1)
count += 1
if copy_status:
pass
else:
sys.exit('SCP failed')