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3 Commits

Author SHA1 Message Date
5a0ac3460a
Updated folder 2024-11-02 21:42:50 +08:00
a4050ac521
added get_changes function . 2024-06-11 06:40:43 +05:30
4b476a8c3d
created common.py for extracting deep comparision function. 2024-06-06 10:36:30 +05:30
3 changed files with 132 additions and 189 deletions

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@ -0,0 +1,36 @@
import json
def deep_equal(a, b):
"""
Compare two data structures for deep equality by converting them to JSON strings.
Parameters:
a (any): First data structure to compare.
b (any): Second data structure to compare.
Returns:
bool: True if the two data structures are equal, False otherwise.
"""
return json.dumps(a, sort_keys=True) == json.dumps(b, sort_keys=True)
def get_changes(module_params, module_args_keys_list, current_config):
"""
Function to get changes by comparing module parameters with current configuration.
Args:
module_params (dict): The parameters of the module.
module_args_keys_list (list): List of keys to check in module parameters.
current_config (dict): The current configuration to compare against.
Returns:
dict: A dictionary containing the changes.
"""
changes = {}
for key, value in module_params.items():
if key in module_args_keys_list:
if value is not None:
if not deep_equal(value, current_config.get(key)):
changes[key] = value
return changes

View File

@ -151,10 +151,7 @@ response:
'''
from ansible_collections.community.syncthing.plugins.module_utils.syncthing_api import SyncthingModule
import json
def deep_equal(a, b):
return json.dumps(a, sort_keys=True) == json.dumps(b, sort_keys=True)
from ansible_collections.community.syncthing.plugins.module_utils.common import get_changes
def run_module():
module_args = dict(
@ -187,17 +184,8 @@ def run_module():
module_args_keys_list = list(module_args.keys())
changes = {}
for key, value in module.params.items():
# Check if the key is in module_args_keys_list
if key in module_args_keys_list:
# Check if the value is not None
if value is not None:
# Check if the value is different from the current_config
if not deep_equal(value, current_config.get(key)):
# If all conditions are met, add the key-value pair to changes
changes[key] = value
# Using get_changes function to determine what has changed
changes = get_changes(module.params, current_config)
if module.check_mode or len(changes.keys()) == 0:
module.result['device_defaults'] = current_config

View File

@ -37,7 +37,7 @@ options:
required: false
devices:
description:
- List of devices to share folder with
- List of device ids to share folder with. Always share with self.
required: false
fs_watcher:
description:
@ -84,12 +84,20 @@ author:
EXAMPLES = '''
# Add a folder to synchronize with another device
- name: Add syncthing folder
syncthing_folder:
id: box
path: ~/box
devices:
- 1234-1234-1234-1234
- name: Create folder
become: yes
become_user: syncthing
community.syncthing.folder:
host: http://localhost
unix_socket: /run/syncthing/syncthing.sock
config_file: /var/lib/syncthing/.config/syncthing/config.xml
id: 'my-folder-1'
label: 'my folder 1'
path: '/root/test-folder-1'
devices:
- '1234-1234-1234'
- '5678-5678-5678'
register: folder
'''
RETURN = '''
@ -98,129 +106,18 @@ response:
type: dict
'''
import os
import json
import platform
from xml.etree.ElementTree import parse
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.urls import fetch_url, url_argument_spec
SYNCTHING_API_BASE_URI = "/rest"
if platform.system() == 'Windows':
DEFAULT_ST_CONFIG_LOCATION = '%localappdata%/Syncthing/config.xml'
elif platform.system() == 'Darwin':
DEFAULT_ST_CONFIG_LOCATION = '$HOME/Library/Application Support/Syncthing/config.xml'
else:
DEFAULT_ST_CONFIG_LOCATION = '$HOME/.config/syncthing/config.xml'
def make_headers(host, api_key, resource):
url = '{}{}/{}'.format(host, SYNCTHING_API_BASE_URI, resource)
headers = {'X-Api-Key': api_key }
return url, headers
def get_key_from_filesystem(module):
try:
if module.params['config_file']:
stconfigfile = module.params['config_file']
else:
stconfigfile = os.path.expandvars(DEFAULT_ST_CONFIG_LOCATION)
stconfig = parse(stconfigfile)
root = stconfig.getroot()
gui = root.find('gui')
api_key = gui.find('apikey').text
return api_key
except Exception:
module.fail_json(msg="Auto-configuration failed. Please specify"
"the API key manually.")
def get_data_from_rest_api(module, resource):
url, headers = make_headers(
module.params['host'], module.params['api_key'], resource
)
resp, info = fetch_url(
module,
url,
data=None,
headers=headers,
method='GET',
timeout=module.params['timeout']
)
if not info or info['status'] != 200:
result['response'] = info
module.fail_json(msg='Error occured while calling host', **result)
try:
content = resp.read()
except AttributeError:
result['content'] = info.pop('body', '')
result['response'] = str(info)
module.fail_json(msg='Error occured while reading response', **result)
return json.loads(content)
# Fetch Syncthing configuration
def get_config(module):
return get_data_from_rest_api(module, 'system/config')
# Fetch Syncthing status
def get_status(module):
return get_data_from_rest_api(module, 'system/status')
# Get the device name -> device ID mapping.
def get_devices_mapping(config):
return {
device['name']: device['deviceID'] for device in config['devices']
}
# Get the folder configuration from the global configuration, if it exists
def get_folder_config(folder_id, config):
for folder in config['folders']:
if folder['id'] == folder_id:
return folder
return None
# Post the new configuration to Syncthing API
def post_config(module, config, result):
url, headers = make_headers(
module.params['host'],
module.params['api_key'],
'system/config',
)
headers['Content-Type'] = 'application/json'
result['msg'] = config
resp, info = fetch_url(
module, url, data=json.dumps(config), headers=headers,
method='POST', timeout=module.params['timeout'])
if not info or info['status'] != 200:
result['response'] = str(info)
module.fail_json(**result)
from ansible_collections.community.syncthing.plugins.module_utils.syncthing_api import SyncthingModule
# Returns an object of a new folder
def create_folder(params, self_id, current_device_ids, devices_mapping):
# We need the current device ID as per the Syncthing API.
# If missing, Syncthing will add it alright, but we don't want to give
# the false idea that this configuration is different just because of that.
def create_folder(params, self_id, existing_device_ids):
wanted_device_ids = {self_id}
for device_name_or_id in params['devices']:
if device_name_or_id in devices_mapping:
wanted_device_ids.add(devices_mapping[device_name_or_id])
else:
# Purposefully do not validate we already know this device ID or
# name as per previous behavior. This will need to be fixed.
wanted_device_ids.add(device_name_or_id)
for device_id in params['devices']:
if device_id in existing_device_ids:
wanted_device_ids.add(device_id)
# Keep the original ordering if collections are equivalent.
# Again, for idempotency reasons.
device_ids = (
current_device_ids
if set(current_device_ids) == wanted_device_ids
else sorted(wanted_device_ids)
)
device_ids = sorted(wanted_device_ids)
# Sort the device IDs to keep idem-potency
devices = [
@ -266,80 +163,102 @@ def create_folder(params, self_id, current_device_ids, devices_mapping):
'weakHashThresholdPct': 25
}
def update_folder(folder, params, self_id, existing_device_ids):
wanted_device_ids = {self_id}
for device_id in params['devices']:
if device_id in existing_device_ids:
wanted_device_ids.add(device_id)
current_device_ids = {d['deviceID'] for d in folder['devices']}
device_ids = (
current_device_ids
if current_device_ids == wanted_device_ids
else sorted(wanted_device_ids)
)
# Sort the device IDs to keep idem-potency
devices = [
{
'deviceID': device_id,
'introducedBy': '',
} for device_id in device_ids
]
folder.update({
'devices': devices,
'fsWatcherEnabled': params['fs_watcher'],
'ignorePerms': params['ignore_perms'],
'label': params['label'] if params['label'] else params['id'],
'path': params['path'],
'paused': True if params['state'] == 'paused' else False,
'type': params['type'],
})
return folder
def run_module():
# module arguments
module_args = url_argument_spec()
module_args = {}
module_args.update(dict(
id=dict(type='str', required=True),
label=dict(type='str', required=False),
path=dict(type='path', required=False),
devices=dict(type='list', required=False, default=False),
devices=dict(type='list', required=False, default=[]),
fs_watcher=dict(type='bool', default=True),
ignore_perms=dict(type='bool', required=False, default=False),
type=dict(type='str', default='sendreceive',
choices=['sendreceive', 'sendonly', 'receiveonly']),
host=dict(type='str', default='http://127.0.0.1:8384'),
api_key=dict(type='str', required=False, no_log=True),
config_file=dict(type='path', required=False),
timeout=dict(type='int', default=30),
state=dict(type='str', default='present',
choices=['absent', 'present', 'pause']),
))
# seed the result dict in the object
result = {
"changed": False,
"response": None,
}
module = SyncthingModule(
api_url='/rest/config/folders',
argument_spec=module_args
)
# the AnsibleModule object will be our abstraction working with Ansible
module = AnsibleModule(
argument_spec=module_args,
supports_check_mode=True
device_module = SyncthingModule(
api_url='/rest/config/devices',
argument_spec=module_args
)
if module.params['state'] != 'absent' and not module.params['path']:
module.fail_json(msg='You must provide a path when creating', **result)
module.fail_json(msg='You must provide a path when creating')
if module.check_mode:
return result
folder_exists = False
folder = module.get_call(target=module.params['id'])
if 'id' in folder and folder['id'] == module.params['id']:
folder_exists = True
# Auto-configuration: Try to fetch API key from filesystem
if not module.params['api_key']:
module.params['api_key'] = get_key_from_filesystem(module)
config = get_config(module)
self_id = get_status(module)['myID']
devices_mapping = get_devices_mapping(config)
if module.params['state'] == 'absent':
# Remove folder from list, if found
for idx, folder in enumerate(config['folders']):
if folder['id'] == module.params['id']:
config['folders'].pop(idx)
result['changed'] = True
break
if folder_exists:
if module.check_mode:
module.result['changed'] = True
else:
module.delete_call(target=folder['id'])
else:
folder_config = get_folder_config(module.params['id'], config)
folder_config_devices = (
[d['deviceID'] for d in folder_config['devices']] if folder_config else []
)
folder_config_wanted = create_folder(
module.params, self_id, folder_config_devices, devices_mapping
)
devices_list = device_module.get_call()
existing_device_ids = [device['deviceID'] for device in devices_list]
self_id = device_module.result['response']['x-syncthing-id']
if folder_config is None:
config['folders'].append(folder_config_wanted)
result['changed'] = True
elif folder_config != folder_config_wanted:
# Update the folder configuration in-place
folder_config.clear()
folder_config.update(folder_config_wanted)
result['changed'] = True
if folder_exists: # exists but maybe needs changing
if module.check_mode:
module.result['changed'] = True
else:
folder_with_updated_data = update_folder(
folder, module.params, self_id, existing_device_ids
)
module.patch_call(data=folder_with_updated_data, target=folder['id'])
else: # Doesn't exist but needs to be added
if module.check_mode:
module.result['changed'] = True
else:
folder_config_wanted = create_folder(
module.params, self_id, existing_device_ids
)
module.post_call(data=folder_config_wanted)
if result['changed']:
post_config(module, config, result)
module.exit_json(**result)
module.exit_json()
def main():
run_module()