def handle(self, *labels, **options):
init_logging(logger, 3)
try:
# Make sure the directory and the file exist
dirname = os.path.dirname(settings.SSH_KNOWN_HOSTS)
os.makedirs(dirname, exist_ok=True)
open(settings.SSH_KNOWN_HOSTS, 'a')
client = SSHClient()
client.load_host_keys(settings.SSH_KNOWN_HOSTS)
client.set_missing_host_key_policy(AutoAddPolicy())
client.set_log_channel('paramiko')
# Filter Paramiko message to only show host key messages
logging.getLogger('paramiko').addFilter(ParamikoLogFilter())
hostnames = [
settings.V4_HOST,
settings.V6_HOST,
settings.NAT64_HOST
]
for hostname in hostnames:
logger.info("Connecting to {}".format(hostname))
client.connect(hostname, key_filename=settings.SSH_PRIVATE_KEY, allow_agent=False, look_for_keys=False)
stdin, stdout, stderr = client.exec_command('phantomjs --version')
stdout_lines = stdout.readlines()
if stdout_lines:
logger.info("PhantomJS version: {}".format(stdout_lines[0].strip()))
else:
logger.error(''.join([line.strip() for line in stderr.readlines()][:1]))
client.close()
except Exception as e:
logger.critical(str(e))
