def prepare_certs_and_keys_on_host(session, host, certs_dir, key_name):
"""
Prepare certificates and keys on the host
:param session: RemoteSession object for host connection
:param host: dictionary with the host information
:param certs_dir: path pointing to directory with certificates
:param key_name: string with a name used for a key and certificate
:returns: tuple of paths for key and certificate
"""
libvirt_pki_private_dir = '/etc/pki/libvirt/private'
libvirt_pki_dir = '/etc/pki/libvirt'
cmd = "mkdir -p {}".format(libvirt_pki_private_dir)
status, output = session.cmd_status_output(cmd)
logging.debug(
"Making directory for certificates has failed due to: {}".format(
output))
src_key_path = os.path.join(certs_dir, key_name + 'key.pem')
src_cert_path = os.path.join(certs_dir, key_name + 'cert.pem')
dest_key_path = os.path.join(libvirt_pki_private_dir,
key_name[:-1] + 'key.pem')
dest_cert_path = os.path.join(libvirt_pki_dir, key_name[:-1] + 'cert.pem')
# SCP server cert and server key to server
remote.copy_files_to(host['ip'], 'scp', host['user'], host['pwd'], '22',
src_key_path, dest_key_path)
remote.copy_files_to(host['ip'], 'scp', host['user'], host['pwd'], '22',
src_cert_path, dest_cert_path)
return dest_key_path, dest_cert_path
def _reset_file(self):
"""
Copy backup from local to remote.
"""
if self.client == "test":
shutil.copy(self.backup_path, self.remote_path)
else:
remote.copy_files_to(self.address, self.client, self.username,
self.password, self.port, self.backup_path,
self.remote_path, self.limit,
self.log_filename, self.verbose, self.timeout)
def push_file(self, local_path, timeout=600):
"""
Copy file from local to remote.
"""
logging.debug("Push local: '%s' to remote: '%s'." %
(local_path, self.remote_path))
remote.copy_files_to(self.address,
self.cp_client,
self.username,
self.password,
self.cp_port,
local_path,
self.remote_path,
timeout=timeout)
def copy_ca_certs_to_hosts(certs_dir, *host_info):
"""
Copy certificates to required destination path
:param certs_dir: path pointing to directory with certificates
:param host_info: multiple dictionaries with the host information
:returns: path to destination CA certificate
"""
ca_cert_path = os.path.join(certs_dir, 'cacert.pem')
remote_ca_cert_path = '/etc/pki/CA/cacert.pem'
try:
for host in host_info:
remote.copy_files_to(host['ip'], 'scp', host['user'], host['pwd'],
'22', ca_cert_path, remote_ca_cert_path)
except remote.SCPError as detail:
raise exceptions.TestError(detail)
return remote_ca_cert_path
def _copy_control(session, control_path, is_utility=False):
remote_dir = REMOTE_PYTHON_PATH if is_utility else REMOTE_CONTROL_DIR
# run on remote Linux hosts
if session.client == "ssh":
transfer_client = "scp"
transfer_port = 22
remote_control_path = os.path.join(remote_dir,
os.path.basename(control_path))
# run on remote Windows hosts
elif session.client == "nc":
transfer_client = "rss"
transfer_port = 10023
# ..todo:: use `remote_dir` here
remote_control_path = "%TEMP%\\" + os.path.basename(control_path)
else:
raise NotImplementedError(
"run_subcontrol not implemented for client %s" % session.client)
remote.copy_files_to(session.host, transfer_client, session.username,
session.password, transfer_port, control_path,
remote_control_path)
return remote_control_path
def share_remote_objects(session,
control_path,
host="localhost",
port=9090,
os_type="windows",
extra_params=None):
"""
Create and share remote objects from a remote location over the network.
:param session: remote session to the platform
:type session: RemoteSession
:param str control_path: path to the control on the host
:param str host: ip address of the remote sharing server
:param int port: port of the remote sharing server
:param str os_type: OS type of the session, either "linux" or "windows"
:param extra_params: extra parameters to pass to the remote object sharing
control file (sismilarly to subcontrol setting above),
with keys usually prepended with "ro_" prefix
:type extra_params: {str, str}
:returns: newly created middleware session for the remote object server
:rtype: :py:class:`RemoteSession`
:raises: :py:class:`RuntimeError` if the object server failed to start
In comparison to :py:func:`share_local_object`, this function fires up a
name server from a second spawned session (not remote util call) and uses
static (template) control as a remote object server which has to be
preprogrammed but thus also customized (e.g. sharing multiple objects).
In comparison to :py:func:`share_local_objects`, this function is not
an internal implementation sharing everything on the other side but only
what is dicated by the remote object server module and thus its creator.
.. note:: Created and works specifically for Windows and Linux.
"""
LOG.info("Sharing the remote objects over the network")
extra_params = {} if extra_params is None else extra_params
# setup remote objects server
LOG.info("Starting nameserver for the remote objects")
cmd = "python -m Pyro4.naming -n %s -p %s" % (host, port)
session.cmd("START " + cmd if os_type == "windows" else cmd + " &")
LOG.info("Starting the server daemon for the remote objects")
# ..todo:: later on we can dynamize this further depending on usage of this alternative function
transfer_client = "rss" if os_type == "windows" else "scp"
transfer_port = 10023 if os_type == "windows" else 22
local_path = set_subcontrol_parameter(control_path, "ro_server_ip", host)
# optional parameters (set only if present and/or available)
for key in extra_params.keys():
local_path = set_subcontrol_parameter(local_path, key,
extra_params[key])
remote_path = os.path.join(REMOTE_CONTROL_DIR,
os.path.basename(control_path))
# NOTE: since we are creating the path in Linux but use it in Windows,
# we replace some of the backslashes
if os_type == "windows":
remote_path = remote_path.replace("/", "\\")
remote.copy_files_to(session.host,
transfer_client,
session.username,
session.password,
transfer_port,
local_path,
remote_path,
timeout=10)
middleware_session = remote.wait_for_login(session.client, session.host,
session.port, session.username,
session.password,
session.prompt, session.linesep)
middleware_session.set_status_test_command(session.status_test_command)
middleware_session.set_output_func(LOG.info)
middleware_session.set_output_params(())
middleware_session.sendline("python %s" % remote_path)
# HACK: not the best way to do this but the stderr and stdout are mixed and we
# cannot get the exit status so we rely on the mixed stdout/stderr output
output, attempts = "", 30
while "Remote objects shared over the network" not in output:
output = middleware_session.get_output()
LOG.debug(output)
if attempts <= 0 or "Traceback (most recent call last):" in output:
raise RuntimeError("The remote objects server failed to start")
attempts -= 1
time.sleep(1)
Pyro4.config.NS_HOST = host
logging.getLogger("Pyro4").setLevel(10)
return middleware_session
def sync_directories(self):
"""
Synchronize the directories between the local and remote machines
:returns: True if any files needed to be copied; False otherwise. Does
not support symlinks.
"""
def get_local_hashes(path):
"""
Create a dict of the hashes of all files in path on the local
machine.
:param path: Path to search
"""
def hash_file(file_name):
"""
Calculate hex-encoded hash of a file
:param file_name: File to hash
"""
f = open(file_name, mode='r')
h = hashlib.sha1()
while True:
buf = f.read(4096)
if not buf:
break
h.update(buf)
return h.hexdigest()
def visit(arg, dir_name, file_names):
"""
Callback function to calculate and store hashes
:param arg: Tuple with base path and the hash that will contain
the results.
:param dir_name: Current directory
:param file_names: File names in the current directory
"""
(base_path, result) = arg
for file_name in file_names:
path = os.path.join(dir_name, file_name)
if os.path.isfile(path):
result[os.path.relpath(path,
base_path)] = hash_file(path)
result = {}
os.path.walk(path, visit, (path, result))
return result
def get_remote_hashes(path, session, linesep):
"""
Create a dict of the hashes of all files in path on the remote
machine.
:param path: Path to search
:param session: Session object to use
:param linesep: Line separation string for the remote system
"""
cmd = 'test \! -d %s || find %s -type f | xargs sha1sum' % (path,
path)
status, output = session.cmd_status_output(cmd)
if not status == 0:
raise BuildError("Unable to get hashes of remote files: '%s'" %
output)
result = {}
# Output is "<sum> <filename><linesep><sum> <filename>..."
for line in output.split(linesep):
if re.match("^[a-f0-9]{32,} [^ ].*$", line):
(h, f) = line.split(None, 1)
result[os.path.relpath(f, path)] = h
return result
def list_recursive_dirnames(path):
"""
List all directories that exist in path on the local machine
:param path: Path to search
"""
def visit(arg, dir_name, file_names):
"""
Callback function list all directories
:param arg: Tuple with base path and the list that will contain
the results.
:param dir_name: Current directory
:param file_names: File names in the current directory
"""
(base_path, result) = arg
for file_name in file_names:
path = os.path.join(dir_name, file_name)
if os.path.isdir(path):
result.append(os.path.relpath(path, base_path))
result = []
os.path.walk(path, visit, (path, result))
return result
remote_hashes = get_remote_hashes(self.full_build_path, self.session,
self.linesep)
local_hashes = get_local_hashes(self.source)
to_transfer = []
for rel_path in list(local_hashes.keys()):
rhash = remote_hashes.get(rel_path)
if rhash is None or not rhash == local_hashes[rel_path]:
to_transfer.append(rel_path)
need_build = False
if to_transfer:
logging.info("Need to copy files to %s on target" %
self.full_build_path)
need_build = True
# Create all directories
dirs = list_recursive_dirnames(self.source)
if dirs:
dirs_text = " ".join(dirs)
fmt_arg = (self.full_build_path, self.full_build_path,
dirs_text)
cmd = 'mkdir -p %s && cd %s && mkdir -p %s' % fmt_arg
else:
cmd = 'mkdir -p %s' % self.full_build_path
status, output = self.session.cmd_status_output(cmd)
if not status == 0:
raise BuildError("Unable to create remote directories: '%s'" %
output)
# Copy files
for file_name in to_transfer:
local_path = os.path.join(self.source, file_name)
remote_path = os.path.join(self.full_build_path, file_name)
remote.copy_files_to(self.address, self.file_transfer_client,
self.username, self.password,
self.file_transfer_port, local_path,
remote_path)
else:
logging.info("Directory %s on target already up-to-date" %
self.full_build_path)
return need_build