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Cleanups to synchronize including:

* Better comments
* Reorganize code so related settings are close to each other
* Add ::1 to the "localhost" patterns we look for
* Make the dest_port parameter override the ansible_ssh_port setting
* Fix dest_port (wasn't being set)
* more complete detection of delegate_to
* Fix set_remote_user (wasn't being looked for in parameters)
* Instead of removing mode here, have the ansible module accept it
  (better documents the parameters doing it htat way)
This commit is contained in:
Toshio Kuratomi 2015-08-05 13:06:39 -07:00
parent 37e38924de
commit 308bf80055
2 changed files with 53 additions and 51 deletions

View file

@ -18,7 +18,7 @@ Major Changes:
* big_ip modules now support turning off ssl certificate validation (use only for self signed) * big_ip modules now support turning off ssl certificate validation (use only for self signed)
* template code now retains types for bools and numbers instead of turning them into strings. * template code now retains types for bools and numbers instead of turning them into strings.
If you need the old behaviour, quote the value and it will get passed around as a string If you need the old behaviour, quote the value and it will get passed around as a string
* Consiidated code from modules using urllib2 to normalize features, TLS and SNI support * Consolidated code from modules using urllib2 to normalize features, TLS and SNI support
Deprecated Modules (new ones in parens): Deprecated Modules (new ones in parens):
* ec2_ami_search (ec2_ami_find) * ec2_ami_search (ec2_ami_find)
@ -150,6 +150,8 @@ New Inventory scripts:
Other Notable Changes: Other Notable Changes:
* synchronize module's dest_port parameter now takes precedence over the ansible_ssh_port inventory setting
## 1.9.2 "Dancing In the Street" - Jun 26, 2015 ## 1.9.2 "Dancing In the Street" - Jun 26, 2015
* Security fixes to check that hostnames match certificates with https urls (CVE-2015-3908) * Security fixes to check that hostnames match certificates with https urls (CVE-2015-3908)

View file

@ -18,7 +18,6 @@
from __future__ import (absolute_import, division, print_function) from __future__ import (absolute_import, division, print_function)
__metaclass__ = type __metaclass__ = type
import sys
import os.path import os.path
from ansible.plugins.action import ActionBase from ansible.plugins.action import ActionBase
@ -77,7 +76,7 @@ class ActionModule(ActionBase):
if key.startswith("ansible_") and key.endswith("_interpreter"): if key.startswith("ansible_") and key.endswith("_interpreter"):
del task_vars[key] del task_vars[key]
# Add the definition from localhost # Add the definitions from localhost
localhost = task_vars['hostvars']['localhost'] localhost = task_vars['hostvars']['localhost']
if 'ansible_syslog_facility' in localhost: if 'ansible_syslog_facility' in localhost:
task_vars['ansible_syslog_facility'] = localhost['ansible_syslog_facility'] task_vars['ansible_syslog_facility'] = localhost['ansible_syslog_facility']
@ -89,7 +88,10 @@ class ActionModule(ActionBase):
''' generates params and passes them on to the rsync module ''' ''' generates params and passes them on to the rsync module '''
original_transport = task_vars.get('ansible_connection') or self._play_context.connection original_transport = task_vars.get('ansible_connection') or self._play_context.connection
transport_overridden = False remote_transport = False
if original_transport != 'local':
remote_transport = True
try: try:
delegate_to = self._play_context.delegate_to delegate_to = self._play_context.delegate_to
except (AttributeError, KeyError): except (AttributeError, KeyError):
@ -100,74 +102,65 @@ class ActionModule(ActionBase):
# Parameter name needed by the ansible module # Parameter name needed by the ansible module
self._task.args['_local_rsync_path'] = task_vars.get('ansible_rsync_path') or 'rsync' self._task.args['_local_rsync_path'] = task_vars.get('ansible_rsync_path') or 'rsync'
# from the perspective of the rsync call the delegate is the localhost # rsync thinks that one end of the connection is localhost and the
# other is the host we're running the task for (Note: We use
# ansible's delegate_to mechanism to determine which host rsync is
# running on so localhost could be a non-controller machine if
# delegate_to is used)
src_host = '127.0.0.1' src_host = '127.0.0.1'
dest_host = task_vars.get('ansible_ssh_host') or task_vars.get('inventory_hostname') dest_host = task_vars.get('ansible_ssh_host') or task_vars.get('inventory_hostname')
### FIXME: do we still need to explicitly template ansible_ssh_host here in v2? dest_is_local = dest_host in ('127.0.0.1', 'localhost', '::1')
dest_is_local = dest_host in ['127.0.0.1', 'localhost']
# CHECK FOR NON-DEFAULT SSH PORT # CHECK FOR NON-DEFAULT SSH PORT
dest_port = task_vars.get('ansible_ssh_port') or self._task.args.get('dest_port') or 22 if self._task.args.get('dest_port', None) is None:
inv_port = task_vars.get('ansible_ssh_port', None) or constants.DEFAULT_REMOTE_PORT
if inv_port is not None:
self._task.args['dest_port'] = inv_port
# CHECK DELEGATE HOST INFO # Set use_delegate if we are going to run rsync on a delegated host
# instead of localhost
use_delegate = False use_delegate = False
if dest_host == delegate_to: if dest_host == delegate_to:
# edge case: explicit delegate and dest_host are the same # edge case: explicit delegate and dest_host are the same
# so we run rsync on the remote machine targetting its localhost # so we run rsync on the remote machine targetting its localhost
# (itself) # (itself)
dest_host = '127.0.0.1' dest_host = '127.0.0.1'
use_delegate = True use_delegate = True
else: elif delegate_to is not None and remote_transport:
if 'hostvars' in task_vars: # If we're delegating to a remote host then we need to use the
if delegate_to in task_vars['hostvars'] and original_transport != 'local': # delegate_to settings
# use a delegate host instead of localhost
use_delegate = True use_delegate = True
# COMPARE DELEGATE, HOST AND TRANSPORT
process_args = False
if dest_host != src_host and original_transport != 'local':
# interpret and task_vars remote host info into src or dest
process_args = True
# SWITCH SRC AND DEST PER MODE
if self._task.args.get('mode', 'push') == 'pull':
(dest_host, src_host) = (src_host, dest_host)
# Delegate to localhost as the source of the rsync unless we've been # Delegate to localhost as the source of the rsync unless we've been
# told (via delegate_to) that a different host is the source of the # told (via delegate_to) that a different host is the source of the
# rsync # rsync
transport_overridden = False transport_overridden = False
if not use_delegate and original_transport != 'local': if not use_delegate and remote_transport:
# Create a connection to localhost to run rsync on # Create a connection to localhost to run rsync on
new_stdin = self._connection._new_stdin new_stdin = self._connection._new_stdin
new_connection = connection_loader.get('local', self._play_context, new_stdin) new_connection = connection_loader.get('local', self._play_context, new_stdin)
self._connection = new_connection self._connection = new_connection
transport_overridden = True transport_overridden = True
self._override_module_replaced_vars(task_vars) self._override_module_replaced_vars(task_vars)
### FIXME: We think that this was here for v1 because the local
# connection didn't support sudo. In v2 it does so we think it's
# safe to remove this now.
# Also disable sudo # COMPARE DELEGATE, HOST AND TRANSPORT
#self._play_context.become = False process_args = False
if dest_host != src_host and remote_transport:
# We're not copying two filesystem trees on the same host so we
# need to correctly format the paths for rsync (like
# user@host:path/to/tree
process_args = True
# SWITCH SRC AND DEST HOST PER MODE
if self._task.args.get('mode', 'push') == 'pull':
(dest_host, src_host) = (src_host, dest_host)
# MUNGE SRC AND DEST PER REMOTE_HOST INFO # MUNGE SRC AND DEST PER REMOTE_HOST INFO
src = self._task.args.get('src', None) src = self._task.args.get('src', None)
dest = self._task.args.get('dest', None) dest = self._task.args.get('dest', None)
if process_args or use_delegate: if process_args or use_delegate:
# Private key handling
user = None
if boolean(task_vars.get('set_remote_user', 'yes')):
if use_delegate:
user = task_vars['hostvars'][delegate_to].get('ansible_ssh_user')
if not use_delegate or not user:
user = task_vars.get('ansible_ssh_user') or self._play_context.remote_user
if use_delegate: if use_delegate:
private_key = task_vars.get('ansible_ssh_private_key_file') or self._play_context.private_key_file private_key = task_vars.get('ansible_ssh_private_key_file') or self._play_context.private_key_file
else: else:
@ -177,6 +170,17 @@ class ActionModule(ActionBase):
private_key = os.path.expanduser(private_key) private_key = os.path.expanduser(private_key)
self._task.args['private_key'] = private_key self._task.args['private_key'] = private_key
# Src and dest rsync "path" handling
# Determine if we need a user@
user = None
if boolean(self._task.args.get('set_remote_user', 'yes')):
if use_delegate:
if 'hostvars' in task_vars and delegate_to in task_vars['hostvars']:
user = task_vars['hostvars'][delegate_to].get('ansible_ssh_user', None)
if not use_delegate or not user:
user = task_vars.get('ansible_ssh_user') or self._play_context.remote_user
# use the mode to define src and dest's url # use the mode to define src and dest's url
if self._task.args.get('mode', 'push') == 'pull': if self._task.args.get('mode', 'push') == 'pull':
# src is a remote path: <user>@<host>, dest is a local path # src is a remote path: <user>@<host>, dest is a local path
@ -190,14 +194,10 @@ class ActionModule(ActionBase):
self._task.args['src'] = src self._task.args['src'] = src
self._task.args['dest'] = dest self._task.args['dest'] = dest
# Remove mode as it is handled purely in this action module # Allow custom rsync path argument
if 'mode' in self._task.args:
del self._task.args['mode']
# Allow custom rsync path argument.
rsync_path = self._task.args.get('rsync_path', None) rsync_path = self._task.args.get('rsync_path', None)
# If no rsync_path is set, sudo was originally set, and dest is remote then add 'sudo rsync' argument. # If no rsync_path is set, sudo was originally set, and dest is remote then add 'sudo rsync' argument
if not rsync_path and transport_overridden and self._play_context.become and self._play_context.become_method == 'sudo' and not dest_is_local: if not rsync_path and transport_overridden and self._play_context.become and self._play_context.become_method == 'sudo' and not dest_is_local:
rsync_path = 'sudo rsync' rsync_path = 'sudo rsync'