def _interpret_host_string(host_string):
"""
Apply given host string to the env dict.
Split it into hostname, username and port (using
`~fabric.network.normalize`) and store the full host string plus its
constituent parts into the appropriate env vars.
Returns the parts as split out by ``normalize`` for convenience.
"""
from fabric.state import env
username, hostname, port = _normalize(host_string)
env.host_string = host_string
env.host = hostname
env.user = username
env.port = port
return username, hostname, port
def _rsync(from_path, to_path, reverse=False,
exclude=(), delete=False, extra_opts="",
ssh_opts="", capture=False):
"""Perform rsync from some remote location to some local location.
Optionally does exactly the reverse (syncs from some local location
to some remote location)
"""
# Adapted from:
# https://github.com/fabric/fabric/blob/master/fabric/contrib/project.py
# Create --exclude options from exclude list
exclude_opts = ' --exclude "%s"' * len(exclude)
# Double-backslash-escape
exclusions = tuple([str(s).replace('"', '\\\\"') for s in exclude])
# Honor SSH key(s)
key_string = ''
keys = _key_filenames()
if keys:
key_string = '-i ' + ' -i '.join(keys)
# Port
user, host, port = _normalize(_env.host_string)
if host.startswith('@'):
host = host[1:]
port_string = '-p {0:s}'.format(port)
# RSH
rsh_string = ''
rsh_parts = [key_string, port_string, ssh_opts]
if any(rsh_parts):
rsh_string = '--rsh="ssh {0:s}"'.format(' '.join(rsh_parts))
# Set remote sudo
if _env.hostout.options.get('remote-sudo') == 'true':
remote_sudo = ' --rsync-path="sudo rsync"'
extra_opts = (extra_opts + remote_sudo).strip()
# Set up options part of string
options_map = {
'delete': '--delete' if delete else '',
'exclude': exclude_opts % exclusions,
'rsh': rsh_string,
'extra': extra_opts
}
options = ('%(delete)s%(exclude)s -pthlrz '
'%(extra)s %(rsh)s') % options_map
# Interpret direction and define command
if not reverse:
cmd = 'rsync {0:s} {1:s}@{2:s}:{3:s} {4:s}'.format(
options, user, host, from_path, to_path)
else:
cmd = 'rsync {0:s} {1:s} {2:s}@{3:s}:{4:s}'.format(
options, to_path, user, host, from_path)
if _env.hostout.options.get('local-sudo') == 'true':
cmd = 'sudo {0:s}'.format(cmd)
if _output.running:
print('[localhost] rsync: {0:s}'.format(cmd))
return _local(cmd, capture=capture)
