def ensure_downloaded(url, dest, sha256sum=None, use_sudo=False):
if files.exists(dest, use_sudo):
if sha256sum is None:
return
result = calc_sha256sum(dest, use_sudo)
if sha256sum == result:
return
download(url, dest, use_sudo)
def ensure_downloaded(url, dest, sha256sum=None, use_sudo=False):
if files.exists(dest, use_sudo):
if sha256sum is None:
return
result = calc_sha256sum(dest, use_sudo)
if sha256sum == result:
return
download(url, dest, use_sudo)
def ensure_template(filename,
destination,
context=None,
template_dir=None,
use_sudo=False,
backup=True,
mirror_local_mode=False,
mode=None,
fabric_managed_format=FABRIC_MANAGED_DEFAULT_FORMAT):
run_fn = run_or_sudo(use_sudo)
# Normalize destination to be an actual filename, due to using StringIO
with settings(hide('everything'), warn_only=True):
if run_fn('test -d %s' % _expand_path(destination)).succeeded:
sep = "" if destination.endswith('/') else "/"
destination += sep + os.path.basename(filename)
context = modify_context(filename,
destination,
context=context,
fabric_managed_format=fabric_managed_format)
text = render_as_text(filename, context=context, template_dir=template_dir)
local_sum = hashlib.sha256(text).hexdigest()
remote_sum = file.calc_sha256sum(destination, use_sudo=use_sudo)
if remote_sum == local_sum:
return False
# Use mode kwarg to implement mirror_local_mode, again due to using
# StringIO
if mirror_local_mode and mode is None:
mode = os.stat(filename).st_mode
# To prevent put() from trying to do this
# logic itself
mirror_local_mode = False
# Back up original file
if backup and exists(destination):
run_fn("cp %s{,.bak}" % _expand_path(destination))
# Upload the file.
put(local_path=StringIO(text),
remote_path=destination,
use_sudo=use_sudo,
mirror_local_mode=mirror_local_mode,
mode=mode)
return True
def ensure_template(filename, destination, context=None, template_dir=None, use_sudo=False, backup=True, mirror_local_mode=False, mode=None, fabric_managed_format=FABRIC_MANAGED_DEFAULT_FORMAT):
run_fn = run_or_sudo(use_sudo)
# Normalize destination to be an actual filename, due to using StringIO
with settings(hide('everything'), warn_only=True):
if run_fn('test -d %s' % _expand_path(destination)).succeeded:
sep = "" if destination.endswith('/') else "/"
destination += sep + os.path.basename(filename)
context = modify_context(filename, destination, context=context,
fabric_managed_format=fabric_managed_format)
text = render_as_text(filename, context=context, template_dir=template_dir)
local_sum = hashlib.sha256(text).hexdigest()
remote_sum = file.calc_sha256sum(destination, use_sudo=use_sudo)
if remote_sum == local_sum:
return False
# Use mode kwarg to implement mirror_local_mode, again due to using
# StringIO
if mirror_local_mode and mode is None:
mode = os.stat(filename).st_mode
# To prevent put() from trying to do this
# logic itself
mirror_local_mode = False
# Back up original file
if backup and exists(destination):
run_fn("cp %s{,.bak}" % _expand_path(destination))
# Upload the file.
put(
local_path=StringIO(text),
remote_path=destination,
use_sudo=use_sudo,
mirror_local_mode=mirror_local_mode,
mode=mode
)
return True
