def download(hostname, remote_path, local_path, ignore_failure=False, password=None):
"""
Download a file.
"""
# See issue #39.
# XXX: Revise this once we're using Fabric 2.0.
LOG.debug(_("downloading {host}:{path} -> {target}").format(
host=hostname, path=remote_path, target=local_path))
env.host_string = hostname
env.password = password
fabric_result = _fabric_sudo(
"base64 {}".format(quote(remote_path)),
shell=True,
pty=False,
combine_stderr=False,
)
if fabric_result.succeeded:
with open(local_path, "w") as f:
f.write(b64decode(fabric_result.stdout))
elif not ignore_failure:
raise RemoteException(_(
"reading file '{path}' on {host} failed: {error}").format(
error=fabric_result.stderr,
host=hostname,
path=remote_path,
)
)
def remote(hostname, command, ignore_failure=False):
"""
Runs a command on a remote system via sudo.
"""
env.host_string = hostname
LOG.debug("running on {}: {}".format(
hostname,
command
))
with prefix("export LANG=C"):
result = _fabric_sudo(
command,
shell=True,
pty=True,
combine_stderr=False,
)
if not result.succeeded and not ignore_failure:
raise RemoteOperationException(
"Non-zero return code running '{}' on '{}': {}".format(
command,
hostname,
result
)
)
return result
