diff --git a/python/vyos/configsession.py b/python/vyos/configsession.py
index 90842b749..ab7a631bb 100644
--- a/python/vyos/configsession.py
+++ b/python/vyos/configsession.py
@@ -1,249 +1,268 @@
# configsession -- the write API for the VyOS running config
# Copyright (C) 2019-2023 VyOS maintainers and contributors
#
# This library is free software; you can redistribute it and/or modify it under the terms of
# the GNU Lesser General Public License as published by the Free Software Foundation;
# either version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along with this library;
# if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import re
import sys
import subprocess
from vyos.utils.process import is_systemd_service_running
from vyos.utils.dict import dict_to_paths
CLI_SHELL_API = '/bin/cli-shell-api'
SET = '/opt/vyatta/sbin/my_set'
DELETE = '/opt/vyatta/sbin/my_delete'
COMMENT = '/opt/vyatta/sbin/my_comment'
COMMIT = '/opt/vyatta/sbin/my_commit'
DISCARD = '/opt/vyatta/sbin/my_discard'
SHOW_CONFIG = ['/bin/cli-shell-api', 'showConfig']
LOAD_CONFIG = ['/bin/cli-shell-api', 'loadFile']
MIGRATE_LOAD_CONFIG = ['/usr/libexec/vyos/vyos-load-config.py']
SAVE_CONFIG = ['/usr/libexec/vyos/vyos-save-config.py']
INSTALL_IMAGE = ['/usr/libexec/vyos/op_mode/image_installer.py',
'--action', 'add', '--no-prompt', '--image-path']
REMOVE_IMAGE = ['/usr/libexec/vyos/op_mode/image_manager.py',
'--action', 'delete', '--no-prompt', '--image-name']
GENERATE = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'generate']
SHOW = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'show']
RESET = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'reset']
REBOOT = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'reboot']
POWEROFF = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'poweroff']
OP_CMD_ADD = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'add']
OP_CMD_DELETE = ['/opt/vyatta/bin/vyatta-op-cmd-wrapper', 'delete']
# Default "commit via" string
APP = "vyos-http-api"
# When started as a service rather than from a user shell,
# the process lacks the VyOS-specific environment that comes
# from bash configs, so we have to inject it
# XXX: maybe it's better to do via a systemd environment file
def inject_vyos_env(env):
env['VYATTA_CFG_GROUP_NAME'] = 'vyattacfg'
env['VYATTA_USER_LEVEL_DIR'] = '/opt/vyatta/etc/shell/level/admin'
env['VYATTA_PROCESS_CLIENT'] = 'gui2_rest'
env['VYOS_HEADLESS_CLIENT'] = 'vyos_http_api'
env['vyatta_bindir']= '/opt/vyatta/bin'
env['vyatta_cfg_templates'] = '/opt/vyatta/share/vyatta-cfg/templates'
env['vyatta_configdir'] = '/opt/vyatta/config'
env['vyatta_datadir'] = '/opt/vyatta/share'
env['vyatta_datarootdir'] = '/opt/vyatta/share'
env['vyatta_libdir'] = '/opt/vyatta/lib'
env['vyatta_libexecdir'] = '/opt/vyatta/libexec'
env['vyatta_op_templates'] = '/opt/vyatta/share/vyatta-op/templates'
env['vyatta_prefix'] = '/opt/vyatta'
env['vyatta_sbindir'] = '/opt/vyatta/sbin'
env['vyatta_sysconfdir'] = '/opt/vyatta/etc'
env['vyos_bin_dir'] = '/usr/bin'
env['vyos_cfg_templates'] = '/opt/vyatta/share/vyatta-cfg/templates'
env['vyos_completion_dir'] = '/usr/libexec/vyos/completion'
env['vyos_configdir'] = '/opt/vyatta/config'
env['vyos_conf_scripts_dir'] = '/usr/libexec/vyos/conf_mode'
env['vyos_datadir'] = '/opt/vyatta/share'
env['vyos_datarootdir']= '/opt/vyatta/share'
env['vyos_libdir'] = '/opt/vyatta/lib'
env['vyos_libexec_dir'] = '/usr/libexec/vyos'
env['vyos_op_scripts_dir'] = '/usr/libexec/vyos/op_mode'
env['vyos_op_templates'] = '/opt/vyatta/share/vyatta-op/templates'
env['vyos_prefix'] = '/opt/vyatta'
env['vyos_sbin_dir'] = '/usr/sbin'
env['vyos_validators_dir'] = '/usr/libexec/vyos/validators'
# if running the vyos-configd daemon, inject the vyshim env var
if is_systemd_service_running('vyos-configd.service'):
env['vyshim'] = '/usr/sbin/vyshim'
return env
class ConfigSessionError(Exception):
pass
class ConfigSession(object):
"""
The write API of VyOS.
"""
def __init__(self, session_id, app=APP):
"""
Creates a new config session.
Args:
session_id (str): Session identifier
app (str): Application name, purely informational
Note:
The session identifier MUST be globally unique within the system.
The best practice is to only have one ConfigSession object per process
and used the PID for the session identifier.
"""
env_str = subprocess.check_output([CLI_SHELL_API, 'getSessionEnv', str(session_id)])
self.__session_id = session_id
# Extract actual variables from the chunk of shell it outputs
# XXX: it's better to extend cli-shell-api to provide easily readable output
env_list = re.findall(r'([A-Z_]+)=([^;\s]+)', env_str.decode())
session_env = os.environ
session_env = inject_vyos_env(session_env)
for k, v in env_list:
session_env[k] = v
self.__session_env = session_env
self.__session_env["COMMIT_VIA"] = app
self.__run_command([CLI_SHELL_API, 'setupSession'])
def __del__(self):
try:
output = subprocess.check_output([CLI_SHELL_API, 'teardownSession'], env=self.__session_env).decode().strip()
if output:
print("cli-shell-api teardownSession output for sesion {0}: {1}".format(self.__session_id, output), file=sys.stderr)
except Exception as e:
print("Could not tear down session {0}: {1}".format(self.__session_id, e), file=sys.stderr)
def __run_command(self, cmd_list):
p = subprocess.Popen(cmd_list, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, env=self.__session_env)
(stdout_data, stderr_data) = p.communicate()
output = stdout_data.decode()
result = p.wait()
if result != 0:
raise ConfigSessionError(output)
return output
def get_session_env(self):
return self.__session_env
def set(self, path, value=None):
if not value:
value = []
else:
value = [value]
self.__run_command([SET] + path + value)
def set_section(self, path: list, d: dict):
try:
for p in dict_to_paths(d):
self.set(path + p)
except (ValueError, ConfigSessionError) as e:
raise ConfigSessionError(e)
def delete(self, path, value=None):
if not value:
value = []
else:
value = [value]
self.__run_command([DELETE] + path + value)
def load_section(self, path: list, d: dict):
try:
self.delete(path)
if d:
for p in dict_to_paths(d):
self.set(path + p)
except (ValueError, ConfigSessionError) as e:
raise ConfigSessionError(e)
+ def set_section_tree(self, d: dict):
+ try:
+ if d:
+ for p in dict_to_paths(d):
+ self.set(p)
+ except (ValueError, ConfigSessionError) as e:
+ raise ConfigSessionError(e)
+
+ def load_section_tree(self, mask: dict, d: dict):
+ try:
+ if mask:
+ for p in dict_to_paths(mask):
+ self.delete(p)
+ if d:
+ for p in dict_to_paths(d):
+ self.set(p)
+ except (ValueError, ConfigSessionError) as e:
+ raise ConfigSessionError(e)
+
def comment(self, path, value=None):
if not value:
value = [""]
else:
value = [value]
self.__run_command([COMMENT] + path + value)
def commit(self):
out = self.__run_command([COMMIT])
return out
def discard(self):
self.__run_command([DISCARD])
def show_config(self, path, format='raw'):
config_data = self.__run_command(SHOW_CONFIG + path)
if format == 'raw':
return config_data
def load_config(self, file_path):
out = self.__run_command(LOAD_CONFIG + [file_path])
return out
def migrate_and_load_config(self, file_path):
out = self.__run_command(MIGRATE_LOAD_CONFIG + [file_path])
return out
def save_config(self, file_path):
out = self.__run_command(SAVE_CONFIG + [file_path])
return out
def install_image(self, url):
out = self.__run_command(INSTALL_IMAGE + [url])
return out
def remove_image(self, name):
out = self.__run_command(REMOVE_IMAGE + [name])
return out
def generate(self, path):
out = self.__run_command(GENERATE + path)
return out
def show(self, path):
out = self.__run_command(SHOW + path)
return out
def reboot(self, path):
out = self.__run_command(REBOOT + path)
return out
def reset(self, path):
out = self.__run_command(RESET + path)
return out
def poweroff(self, path):
out = self.__run_command(POWEROFF + path)
return out
def add_container_image(self, name):
out = self.__run_command(OP_CMD_ADD + ['container', 'image'] + [name])
return out
def delete_container_image(self, name):
out = self.__run_command(OP_CMD_DELETE + ['container', 'image'] + [name])
return out
def show_container_image(self):
out = self.__run_command(SHOW + ['container', 'image'])
return out
diff --git a/src/helpers/vyos_config_sync.py b/src/helpers/vyos_config_sync.py
index 77f7cd810..0604b2837 100755
--- a/src/helpers/vyos_config_sync.py
+++ b/src/helpers/vyos_config_sync.py
@@ -1,202 +1,204 @@
#!/usr/bin/env python3
#
# Copyright (C) 2023-2024 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
import os
import json
import requests
import urllib3
import logging
-from typing import Optional, List, Union, Dict, Any
+from typing import Optional, List, Tuple, Dict, Any
from vyos.config import Config
+from vyos.configtree import ConfigTree
+from vyos.configtree import mask_inclusive
from vyos.template import bracketize_ipv6
CONFIG_FILE = '/run/config_sync_conf.conf'
# Logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
logger.name = os.path.basename(__file__)
# API
API_HEADERS = {'Content-Type': 'application/json'}
def post_request(url: str,
data: str,
headers: Dict[str, str]) -> requests.Response:
"""Sends a POST request to the specified URL
Args:
url (str): The URL to send the POST request to.
data (Dict[str, Any]): The data to send with the POST request.
headers (Dict[str, str]): The headers to include with the POST request.
Returns:
requests.Response: The response object representing the server's response to the request
"""
response = requests.post(url,
data=data,
headers=headers,
verify=False,
timeout=timeout)
return response
-def retrieve_config(section: Optional[List[str]] = None) -> Optional[Dict[str, Any]]:
+def retrieve_config(sections: List[list[str]]) -> Tuple[Dict[str, Any], Dict[str, Any]]:
"""Retrieves the configuration from the local server.
Args:
- section: List[str]: The section of the configuration to retrieve.
- Default is None.
+ sections: List[list[str]]: The list of sections of the configuration
+ to retrieve, given as list of paths.
Returns:
- Optional[Dict[str, Any]]: The retrieved configuration as a
- dictionary, or None if an error occurred.
+ Tuple[Dict[str, Any],Dict[str,Any]]: The tuple (mask, config) where:
+ - mask: The tree of paths of sections, as a dictionary.
+ - config: The subtree of masked config data, as a dictionary.
"""
- if section is None:
- section = []
- conf = Config()
- config = conf.get_config_dict(section, get_first_key=True)
- if config:
- return config
- return None
+ mask = ConfigTree('')
+ for section in sections:
+ mask.set(section)
+ mask_dict = json.loads(mask.to_json())
+
+ config = Config()
+ config_tree = config.get_config_tree()
+ masked = mask_inclusive(config_tree, mask)
+ config_dict = json.loads(masked.to_json())
+ return mask_dict, config_dict
def set_remote_config(
address: str,
key: str,
- commands: List[Dict[str, Any]]) -> Optional[Dict[str, Any]]:
+ op: str,
+ mask: Dict[str, Any],
+ config: Dict[str, Any]) -> Optional[Dict[str, Any]]:
"""Loads the VyOS configuration in JSON format to a remote host.
Args:
address (str): The address of the remote host.
key (str): The key to use for loading the configuration.
- commands (list): List of set/load commands for request, given as:
- [{'op': str, 'path': list[str], 'section': dict},
- ...]
+ op (str): The operation to perform (set or load).
+ mask (dict): The dict of paths in sections.
+ config (dict): The dict of masked config data.
Returns:
Optional[Dict[str, Any]]: The response from the remote host as a
dictionary, or None if a RequestException occurred.
"""
headers = {'Content-Type': 'application/json'}
# Disable the InsecureRequestWarning
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
url = f'https://{address}/configure-section'
data = json.dumps({
- 'commands': commands,
+ 'op': op,
+ 'mask': mask,
+ 'config': config,
'key': key
})
try:
config = post_request(url, data, headers)
return config.json()
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
logger.error(f"An error occurred: {e}")
return None
def is_section_revised(section: List[str]) -> bool:
from vyos.config_mgmt import is_node_revised
return is_node_revised(section)
def config_sync(secondary_address: str,
secondary_key: str,
sections: List[list[str]],
mode: str):
"""Retrieve a config section from primary router in JSON format and send it to
secondary router
"""
if not any(map(is_section_revised, sections)):
return
logger.info(
f"Config synchronization: Mode={mode}, Secondary={secondary_address}"
)
# Sync sections ("nat", "firewall", etc)
- commands = []
- for section in sections:
- config_json = retrieve_config(section=section)
- # Check if config path deesn't exist, for example "set nat"
- # we set empty value for config_json data
- # As we cannot send to the remote host section "nat None" config
- if not config_json:
- config_json = {}
- logger.debug(
- f"Retrieved config for section '{section}': {config_json}")
-
- d = {'op': mode, 'path': section, 'section': config_json}
- commands.append(d)
+ mask_dict, config_dict = retrieve_config(sections)
+ logger.debug(
+ f"Retrieved config for sections '{sections}': {config_dict}")
set_config = set_remote_config(address=secondary_address,
key=secondary_key,
- commands=commands)
+ op=mode,
+ mask=mask_dict,
+ config=config_dict)
logger.debug(f"Set config for sections '{sections}': {set_config}")
if __name__ == '__main__':
# Read configuration from file
if not os.path.exists(CONFIG_FILE):
logger.error(f"Post-commit: No config file '{CONFIG_FILE}' exists")
exit(0)
with open(CONFIG_FILE, 'r') as f:
config_data = f.read()
config = json.loads(config_data)
mode = config.get('mode')
secondary_address = config.get('secondary', {}).get('address')
secondary_address = bracketize_ipv6(secondary_address)
secondary_key = config.get('secondary', {}).get('key')
sections = config.get('section')
timeout = int(config.get('secondary', {}).get('timeout'))
if not all([
mode, secondary_address, secondary_key, sections
]):
logger.error(
"Missing required configuration data for config synchronization.")
exit(0)
# Generate list_sections of sections/subsections
# [
# ['interfaces', 'pseudo-ethernet'], ['interfaces', 'virtual-ethernet'], ['nat'], ['nat66']
# ]
list_sections = []
for section, subsections in sections.items():
if subsections:
for subsection in subsections:
list_sections.append([section, subsection])
else:
list_sections.append([section])
config_sync(secondary_address, secondary_key,
list_sections, mode)
diff --git a/src/services/vyos-http-api-server b/src/services/vyos-http-api-server
index 77870a84c..ecbf6fcf9 100755
--- a/src/services/vyos-http-api-server
+++ b/src/services/vyos-http-api-server
@@ -1,938 +1,958 @@
#!/usr/share/vyos-http-api-tools/bin/python3
#
# Copyright (C) 2019-2024 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import grp
import copy
import json
import logging
import signal
import traceback
import threading
from time import sleep
from typing import List, Union, Callable, Dict
from fastapi import FastAPI, Depends, Request, Response, HTTPException
from fastapi import BackgroundTasks
from fastapi.responses import HTMLResponse
from fastapi.exceptions import RequestValidationError
from fastapi.routing import APIRoute
from pydantic import BaseModel, StrictStr, validator
from starlette.middleware.cors import CORSMiddleware
from starlette.datastructures import FormData
from starlette.formparsers import FormParser, MultiPartParser
from multipart.multipart import parse_options_header
from uvicorn import Config as UvicornConfig
from uvicorn import Server as UvicornServer
from ariadne.asgi import GraphQL
from vyos.config import Config
from vyos.configtree import ConfigTree
from vyos.configdiff import get_config_diff
from vyos.configsession import ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.defaults import api_config_state
import api.graphql.state
CFG_GROUP = 'vyattacfg'
debug = True
logger = logging.getLogger(__name__)
logs_handler = logging.StreamHandler()
logger.addHandler(logs_handler)
if debug:
logger.setLevel(logging.DEBUG)
else:
logger.setLevel(logging.INFO)
# Giant lock!
lock = threading.Lock()
def load_server_config():
with open(api_config_state) as f:
config = json.load(f)
return config
def check_auth(key_list, key):
key_id = None
for k in key_list:
if k['key'] == key:
key_id = k['id']
return key_id
def error(code, msg):
resp = {"success": False, "error": msg, "data": None}
resp = json.dumps(resp)
return HTMLResponse(resp, status_code=code)
def success(data):
resp = {"success": True, "data": data, "error": None}
resp = json.dumps(resp)
return HTMLResponse(resp)
# Pydantic models for validation
# Pydantic will cast when possible, so use StrictStr
# validators added as needed for additional constraints
# schema_extra adds anotations to OpenAPI, to add examples
class ApiModel(BaseModel):
key: StrictStr
class BasePathModel(BaseModel):
op: StrictStr
path: List[StrictStr]
@validator("path")
def check_non_empty(cls, path):
if not len(path) > 0:
raise ValueError('path must be non-empty')
return path
class BaseConfigureModel(BasePathModel):
value: StrictStr = None
class ConfigureModel(ApiModel, BaseConfigureModel):
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "set | delete | comment",
"path": ['config', 'mode', 'path'],
}
}
class ConfigureListModel(ApiModel):
commands: List[BaseConfigureModel]
class Config:
schema_extra = {
"example": {
"key": "id_key",
"commands": "list of commands",
}
}
class BaseConfigSectionModel(BasePathModel):
section: Dict
class ConfigSectionModel(ApiModel, BaseConfigSectionModel):
pass
class ConfigSectionListModel(ApiModel):
commands: List[BaseConfigSectionModel]
+class BaseConfigSectionTreeModel(BaseModel):
+ op: StrictStr
+ mask: Dict
+ config: Dict
+
+class ConfigSectionTreeModel(ApiModel, BaseConfigSectionTreeModel):
+ pass
+
class RetrieveModel(ApiModel):
op: StrictStr
path: List[StrictStr]
configFormat: StrictStr = None
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "returnValue | returnValues | exists | showConfig",
"path": ['config', 'mode', 'path'],
"configFormat": "json (default) | json_ast | raw",
}
}
class ConfigFileModel(ApiModel):
op: StrictStr
file: StrictStr = None
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "save | load",
"file": "filename",
}
}
class ImageModel(ApiModel):
op: StrictStr
url: StrictStr = None
name: StrictStr = None
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "add | delete",
"url": "imagelocation",
"name": "imagename",
}
}
class ContainerImageModel(ApiModel):
op: StrictStr
name: StrictStr = None
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "add | delete | show",
"name": "imagename",
}
}
class GenerateModel(ApiModel):
op: StrictStr
path: List[StrictStr]
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "generate",
"path": ["op", "mode", "path"],
}
}
class ShowModel(ApiModel):
op: StrictStr
path: List[StrictStr]
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "show",
"path": ["op", "mode", "path"],
}
}
class RebootModel(ApiModel):
op: StrictStr
path: List[StrictStr]
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "reboot",
"path": ["op", "mode", "path"],
}
}
class ResetModel(ApiModel):
op: StrictStr
path: List[StrictStr]
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "reset",
"path": ["op", "mode", "path"],
}
}
class PoweroffModel(ApiModel):
op: StrictStr
path: List[StrictStr]
class Config:
schema_extra = {
"example": {
"key": "id_key",
"op": "poweroff",
"path": ["op", "mode", "path"],
}
}
class Success(BaseModel):
success: bool
data: Union[str, bool, Dict]
error: str
class Error(BaseModel):
success: bool = False
data: Union[str, bool, Dict]
error: str
responses = {
200: {'model': Success},
400: {'model': Error},
422: {'model': Error, 'description': 'Validation Error'},
500: {'model': Error}
}
def auth_required(data: ApiModel):
key = data.key
api_keys = app.state.vyos_keys
key_id = check_auth(api_keys, key)
if not key_id:
raise HTTPException(status_code=401, detail="Valid API key is required")
app.state.vyos_id = key_id
# override Request and APIRoute classes in order to convert form request to json;
# do all explicit validation here, for backwards compatability of error messages;
# the explicit validation may be dropped, if desired, in favor of native
# validation by FastAPI/Pydantic, as is used for application/json requests
class MultipartRequest(Request):
_form_err = ()
@property
def form_err(self):
return self._form_err
@form_err.setter
def form_err(self, val):
if not self._form_err:
self._form_err = val
@property
def orig_headers(self):
self._orig_headers = super().headers
return self._orig_headers
@property
def headers(self):
self._headers = super().headers.mutablecopy()
self._headers['content-type'] = 'application/json'
return self._headers
async def form(self) -> FormData:
if self._form is None:
assert (
parse_options_header is not None
), "The `python-multipart` library must be installed to use form parsing."
content_type_header = self.orig_headers.get("Content-Type")
content_type, options = parse_options_header(content_type_header)
if content_type == b"multipart/form-data":
multipart_parser = MultiPartParser(self.orig_headers, self.stream())
self._form = await multipart_parser.parse()
elif content_type == b"application/x-www-form-urlencoded":
form_parser = FormParser(self.orig_headers, self.stream())
self._form = await form_parser.parse()
else:
self._form = FormData()
return self._form
async def body(self) -> bytes:
if not hasattr(self, "_body"):
forms = {}
merge = {}
body = await super().body()
self._body = body
form_data = await self.form()
if form_data:
endpoint = self.url.path
logger.debug("processing form data")
for k, v in form_data.multi_items():
forms[k] = v
if 'data' not in forms:
self.form_err = (422, "Non-empty data field is required")
return self._body
else:
try:
tmp = json.loads(forms['data'])
except json.JSONDecodeError as e:
self.form_err = (400, f'Failed to parse JSON: {e}')
return self._body
if isinstance(tmp, list):
merge['commands'] = tmp
else:
merge = tmp
if 'commands' in merge:
cmds = merge['commands']
else:
cmds = copy.deepcopy(merge)
cmds = [cmds]
for c in cmds:
if not isinstance(c, dict):
self.form_err = (400,
f"Malformed command '{c}': any command must be JSON of dict")
return self._body
if 'op' not in c:
self.form_err = (400,
f"Malformed command '{c}': missing 'op' field")
if endpoint not in ('/config-file', '/container-image',
- '/image'):
+ '/image', '/configure-section'):
if 'path' not in c:
self.form_err = (400,
f"Malformed command '{c}': missing 'path' field")
elif not isinstance(c['path'], list):
self.form_err = (400,
f"Malformed command '{c}': 'path' field must be a list")
elif not all(isinstance(el, str) for el in c['path']):
self.form_err = (400,
f"Malformed command '{0}': 'path' field must be a list of strings")
if endpoint in ('/configure'):
if not c['path']:
self.form_err = (400,
f"Malformed command '{c}': 'path' list must be non-empty")
if 'value' in c and not isinstance(c['value'], str):
self.form_err = (400,
f"Malformed command '{c}': 'value' field must be a string")
if endpoint in ('/configure-section'):
- if 'section' not in c:
- self.form_err = (400,
- f"Malformed command '{c}': missing 'section' field")
- elif not isinstance(c['section'], dict):
+ if 'section' not in c and 'config' not in c:
self.form_err = (400,
- f"Malformed command '{c}': 'section' field must be JSON of dict")
+ f"Malformed command '{c}': missing 'section' or 'config' field")
if 'key' not in forms and 'key' not in merge:
self.form_err = (401, "Valid API key is required")
if 'key' in forms and 'key' not in merge:
merge['key'] = forms['key']
new_body = json.dumps(merge)
new_body = new_body.encode()
self._body = new_body
return self._body
class MultipartRoute(APIRoute):
def get_route_handler(self) -> Callable:
original_route_handler = super().get_route_handler()
async def custom_route_handler(request: Request) -> Response:
request = MultipartRequest(request.scope, request.receive)
try:
response: Response = await original_route_handler(request)
except HTTPException as e:
return error(e.status_code, e.detail)
except Exception as e:
form_err = request.form_err
if form_err:
return error(*form_err)
raise e
return response
return custom_route_handler
app = FastAPI(debug=True,
title="VyOS API",
version="0.1.0",
responses={**responses},
dependencies=[Depends(auth_required)])
app.router.route_class = MultipartRoute
@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request, exc):
return error(400, str(exc.errors()[0]))
self_ref_msg = "Requested HTTP API server configuration change; commit will be called in the background"
def call_commit(s: ConfigSession):
try:
s.commit()
except ConfigSessionError as e:
s.discard()
if app.state.vyos_debug:
logger.warning(f"ConfigSessionError:\n {traceback.format_exc()}")
else:
logger.warning(f"ConfigSessionError: {e}")
def _configure_op(data: Union[ConfigureModel, ConfigureListModel,
- ConfigSectionModel, ConfigSectionListModel],
+ ConfigSectionModel, ConfigSectionListModel,
+ ConfigSectionTreeModel],
request: Request, background_tasks: BackgroundTasks):
session = app.state.vyos_session
env = session.get_session_env()
endpoint = request.url.path
# Allow users to pass just one command
if not isinstance(data, (ConfigureListModel, ConfigSectionListModel)):
data = [data]
else:
data = data.commands
# We don't want multiple people/apps to be able to commit at once,
# or modify the shared session while someone else is doing the same,
# so the lock is really global
lock.acquire()
config = Config(session_env=env)
status = 200
msg = None
error_msg = None
try:
for c in data:
op = c.op
- path = c.path
+ if not isinstance(c, BaseConfigSectionTreeModel):
+ path = c.path
if isinstance(c, BaseConfigureModel):
if c.value:
value = c.value
else:
value = ""
# For vyos.configsession calls that have no separate value arguments,
# and for type checking too
cfg_path = " ".join(path + [value]).strip()
elif isinstance(c, BaseConfigSectionModel):
section = c.section
+ elif isinstance(c, BaseConfigSectionTreeModel):
+ mask = c.mask
+ config = c.config
+
if isinstance(c, BaseConfigureModel):
if op == 'set':
session.set(path, value=value)
elif op == 'delete':
if app.state.vyos_strict and not config.exists(cfg_path):
raise ConfigSessionError(f"Cannot delete [{cfg_path}]: path/value does not exist")
session.delete(path, value=value)
elif op == 'comment':
session.comment(path, value=value)
else:
raise ConfigSessionError(f"'{op}' is not a valid operation")
elif isinstance(c, BaseConfigSectionModel):
if op == 'set':
session.set_section(path, section)
elif op == 'load':
session.load_section(path, section)
else:
raise ConfigSessionError(f"'{op}' is not a valid operation")
+
+ elif isinstance(c, BaseConfigSectionTreeModel):
+ if op == 'set':
+ session.set_section_tree(config)
+ elif op == 'load':
+ session.load_section_tree(mask, config)
+ else:
+ raise ConfigSessionError(f"'{op}' is not a valid operation")
# end for
config = Config(session_env=env)
d = get_config_diff(config)
if d.is_node_changed(['service', 'https']):
background_tasks.add_task(call_commit, session)
msg = self_ref_msg
else:
session.commit()
logger.info(f"Configuration modified via HTTP API using key '{app.state.vyos_id}'")
except ConfigSessionError as e:
session.discard()
status = 400
if app.state.vyos_debug:
logger.critical(f"ConfigSessionError:\n {traceback.format_exc()}")
error_msg = str(e)
except Exception as e:
session.discard()
logger.critical(traceback.format_exc())
status = 500
# Don't give the details away to the outer world
error_msg = "An internal error occured. Check the logs for details."
finally:
lock.release()
if status != 200:
return error(status, error_msg)
return success(msg)
@app.post('/configure')
def configure_op(data: Union[ConfigureModel,
ConfigureListModel],
request: Request, background_tasks: BackgroundTasks):
return _configure_op(data, request, background_tasks)
@app.post('/configure-section')
def configure_section_op(data: Union[ConfigSectionModel,
- ConfigSectionListModel],
+ ConfigSectionListModel,
+ ConfigSectionTreeModel],
request: Request, background_tasks: BackgroundTasks):
return _configure_op(data, request, background_tasks)
@app.post("/retrieve")
async def retrieve_op(data: RetrieveModel):
session = app.state.vyos_session
env = session.get_session_env()
config = Config(session_env=env)
op = data.op
path = " ".join(data.path)
try:
if op == 'returnValue':
res = config.return_value(path)
elif op == 'returnValues':
res = config.return_values(path)
elif op == 'exists':
res = config.exists(path)
elif op == 'showConfig':
config_format = 'json'
if data.configFormat:
config_format = data.configFormat
res = session.show_config(path=data.path)
if config_format == 'json':
config_tree = ConfigTree(res)
res = json.loads(config_tree.to_json())
elif config_format == 'json_ast':
config_tree = ConfigTree(res)
res = json.loads(config_tree.to_json_ast())
elif config_format == 'raw':
pass
else:
return error(400, f"'{config_format}' is not a valid config format")
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
@app.post('/config-file')
def config_file_op(data: ConfigFileModel, background_tasks: BackgroundTasks):
session = app.state.vyos_session
env = session.get_session_env()
op = data.op
msg = None
try:
if op == 'save':
if data.file:
path = data.file
else:
path = '/config/config.boot'
msg = session.save_config(path)
elif op == 'load':
if data.file:
path = data.file
else:
return error(400, "Missing required field \"file\"")
session.migrate_and_load_config(path)
config = Config(session_env=env)
d = get_config_diff(config)
if d.is_node_changed(['service', 'https']):
background_tasks.add_task(call_commit, session)
msg = self_ref_msg
else:
session.commit()
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(msg)
@app.post('/image')
def image_op(data: ImageModel):
session = app.state.vyos_session
op = data.op
try:
if op == 'add':
if data.url:
url = data.url
else:
return error(400, "Missing required field \"url\"")
res = session.install_image(url)
elif op == 'delete':
if data.name:
name = data.name
else:
return error(400, "Missing required field \"name\"")
res = session.remove_image(name)
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
@app.post('/container-image')
def container_image_op(data: ContainerImageModel):
session = app.state.vyos_session
op = data.op
try:
if op == 'add':
if data.name:
name = data.name
else:
return error(400, "Missing required field \"name\"")
res = session.add_container_image(name)
elif op == 'delete':
if data.name:
name = data.name
else:
return error(400, "Missing required field \"name\"")
res = session.delete_container_image(name)
elif op == 'show':
res = session.show_container_image()
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
@app.post('/generate')
def generate_op(data: GenerateModel):
session = app.state.vyos_session
op = data.op
path = data.path
try:
if op == 'generate':
res = session.generate(path)
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
@app.post('/show')
def show_op(data: ShowModel):
session = app.state.vyos_session
op = data.op
path = data.path
try:
if op == 'show':
res = session.show(path)
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
@app.post('/reboot')
def reboot_op(data: RebootModel):
session = app.state.vyos_session
op = data.op
path = data.path
try:
if op == 'reboot':
res = session.reboot(path)
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
@app.post('/reset')
def reset_op(data: ResetModel):
session = app.state.vyos_session
op = data.op
path = data.path
try:
if op == 'reset':
res = session.reset(path)
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
@app.post('/poweroff')
def poweroff_op(data: PoweroffModel):
session = app.state.vyos_session
op = data.op
path = data.path
try:
if op == 'poweroff':
res = session.poweroff(path)
else:
return error(400, f"'{op}' is not a valid operation")
except ConfigSessionError as e:
return error(400, str(e))
except Exception as e:
logger.critical(traceback.format_exc())
return error(500, "An internal error occured. Check the logs for details.")
return success(res)
###
# GraphQL integration
###
def graphql_init(app: FastAPI = app):
from api.graphql.libs.token_auth import get_user_context
api.graphql.state.init()
api.graphql.state.settings['app'] = app
# import after initializaion of state
from api.graphql.bindings import generate_schema
schema = generate_schema()
in_spec = app.state.vyos_introspection
if app.state.vyos_origins:
origins = app.state.vyos_origins
app.add_route('/graphql', CORSMiddleware(GraphQL(schema,
context_value=get_user_context,
debug=True,
introspection=in_spec),
allow_origins=origins,
allow_methods=("GET", "POST", "OPTIONS"),
allow_headers=("Authorization",)))
else:
app.add_route('/graphql', GraphQL(schema,
context_value=get_user_context,
debug=True,
introspection=in_spec))
###
# Modify uvicorn to allow reloading server within the configsession
###
server = None
shutdown = False
class ApiServerConfig(UvicornConfig):
pass
class ApiServer(UvicornServer):
def install_signal_handlers(self):
pass
def reload_handler(signum, frame):
global server
logger.debug('Reload signal received...')
if server is not None:
server.handle_exit(signum, frame)
server = None
logger.info('Server stopping for reload...')
else:
logger.warning('Reload called for non-running server...')
def shutdown_handler(signum, frame):
global shutdown
logger.debug('Shutdown signal received...')
server.handle_exit(signum, frame)
logger.info('Server shutdown...')
shutdown = True
def flatten_keys(d: dict) -> list[dict]:
keys_list = []
for el in list(d['keys'].get('id', {})):
key = d['keys']['id'][el].get('key', '')
if key:
keys_list.append({'id': el, 'key': key})
return keys_list
def initialization(session: ConfigSession, app: FastAPI = app):
global server
try:
server_config = load_server_config()
except Exception as e:
logger.critical(f'Failed to load the HTTP API server config: {e}')
sys.exit(1)
app.state.vyos_session = session
app.state.vyos_keys = []
if 'keys' in server_config:
app.state.vyos_keys = flatten_keys(server_config)
app.state.vyos_debug = bool('debug' in server_config)
app.state.vyos_strict = bool('strict' in server_config)
app.state.vyos_origins = server_config.get('cors', {}).get('allow_origin', [])
if 'graphql' in server_config:
app.state.vyos_graphql = True
if isinstance(server_config['graphql'], dict):
if 'introspection' in server_config['graphql']:
app.state.vyos_introspection = True
else:
app.state.vyos_introspection = False
# default values if not set explicitly
app.state.vyos_auth_type = server_config['graphql']['authentication']['type']
app.state.vyos_token_exp = server_config['graphql']['authentication']['expiration']
app.state.vyos_secret_len = server_config['graphql']['authentication']['secret_length']
else:
app.state.vyos_graphql = False
if app.state.vyos_graphql:
graphql_init(app)
config = ApiServerConfig(app, uds="/run/api.sock", proxy_headers=True)
server = ApiServer(config)
def run_server():
try:
server.run()
except OSError as e:
logger.critical(e)
sys.exit(1)
if __name__ == '__main__':
# systemd's user and group options don't work, do it by hand here,
# else no one else will be able to commit
cfg_group = grp.getgrnam(CFG_GROUP)
os.setgid(cfg_group.gr_gid)
# Need to set file permissions to 775 too so that every vyattacfg group member
# has write access to the running config
os.umask(0o002)
signal.signal(signal.SIGHUP, reload_handler)
signal.signal(signal.SIGTERM, shutdown_handler)
config_session = ConfigSession(os.getpid())
while True:
logger.debug('Enter main loop...')
if shutdown:
break
if server is None:
initialization(config_session)
server.run()
sleep(1)