graphql: T3993: reorganize/rename directory structure

1 files changed, 207 insertions, 0 deletions

diff --git a/src/services/api/graphql/session/session.py b/src/services/api/graphql/session/session.py
new file mode 100644
index 000000000..23bc7154c
--- /dev/null
+++ b/src/services/api/graphql/session/session.py
@@ -0,0 +1,207 @@
+# Copyright 2021-2022 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# 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, see <http://www.gnu.org/licenses/>.
+
+import os
+import json
+
+from ariadne import convert_camel_case_to_snake
+
+from vyos.config import Config
+from vyos.configtree import ConfigTree
+from vyos.defaults import directories
+from vyos.template import render
+
+from api.graphql.utils.util import load_op_mode_as_module, split_compound_op_mode_name
+
+op_mode_include_file = os.path.join(directories['data'], 'op-mode-standardized.json')
+
+class Session:
+    """
+    Wrapper for calling configsession functions based on GraphQL requests.
+    Non-nullable fields in the respective schema allow avoiding a key check
+    in 'data'.
+    """
+    def __init__(self, session, data):
+        self._session = session
+        self._data = data
+        self._name = convert_camel_case_to_snake(type(self).__name__)
+
+        try:
+            with open(op_mode_include_file) as f:
+                self._op_mode_list = json.loads(f.read())
+        except Exception:
+            self._op_mode_list = None
+
+    def configure(self):
+        session = self._session
+        data = self._data
+        func_base_name = self._name
+
+        tmpl_file = f'{func_base_name}.tmpl'
+        cmd_file = f'/tmp/{func_base_name}.cmds'
+        tmpl_dir = directories['api_templates']
+
+        try:
+            render(cmd_file, tmpl_file, data, location=tmpl_dir)
+            commands = []
+            with open(cmd_file) as f:
+                lines = f.readlines()
+            for line in lines:
+                commands.append(line.split())
+            for cmd in commands:
+                if cmd[0] == 'set':
+                    session.set(cmd[1:])
+                elif cmd[0] == 'delete':
+                    session.delete(cmd[1:])
+                else:
+                    raise ValueError('Operation must be "set" or "delete"')
+            session.commit()
+        except Exception as error:
+            raise error
+
+    def delete_path_if_childless(self, path):
+        session = self._session
+        config = Config(session.get_session_env())
+        if not config.list_nodes(path):
+            session.delete(path)
+            session.commit()
+
+    def show_config(self):
+        session = self._session
+        data = self._data
+        out = ''
+
+        try:
+            out = session.show_config(data['path'])
+            if data.get('config_format', '') == 'json':
+                config_tree = vyos.configtree.ConfigTree(out)
+                out = json.loads(config_tree.to_json())
+        except Exception as error:
+            raise error
+
+        return out
+
+    def save(self):
+        session = self._session
+        data = self._data
+        if 'file_name' not in data or not data['file_name']:
+            data['file_name'] = '/config/config.boot'
+
+        try:
+            session.save_config(data['file_name'])
+        except Exception as error:
+            raise error
+
+    def load(self):
+        session = self._session
+        data = self._data
+
+        try:
+            session.load_config(data['file_name'])
+            session.commit()
+        except Exception as error:
+            raise error
+
+    def show(self):
+        session = self._session
+        data = self._data
+        out = ''
+
+        try:
+            out = session.show(data['path'])
+        except Exception as error:
+            raise error
+
+        return out
+
+    def add(self):
+        session = self._session
+        data = self._data
+
+        try:
+            res = session.install_image(data['location'])
+        except Exception as error:
+            raise error
+
+        return res
+
+    def delete(self):
+        session = self._session
+        data = self._data
+
+        try:
+            res = session.remove_image(data['name'])
+        except Exception as error:
+            raise error
+
+        return res
+
+    def system_status(self):
+        import api.graphql.session.composite.system_status as system_status
+
+        session = self._session
+        data = self._data
+
+        status = {}
+        status['host_name'] = session.show(['host', 'name']).strip()
+        status['version'] = system_status.get_system_version()
+        status['uptime'] = system_status.get_system_uptime()
+        status['ram'] = system_status.get_system_ram_usage()
+
+        return status
+
+    def gen_op_query(self):
+        session = self._session
+        data = self._data
+        name = self._name
+        op_mode_list = self._op_mode_list
+
+        # handle the case that the op-mode file contains underscores:
+        if op_mode_list is None:
+            raise FileNotFoundError(f"No op-mode file list at '{op_mode_include_file}'")
+        (func_name, scriptname) = split_compound_op_mode_name(name, op_mode_list)
+        if scriptname == '':
+            raise FileNotFoundError(f"No op-mode file named in string '{name}'")
+
+        mod = load_op_mode_as_module(f'{scriptname}')
+        func = getattr(mod, func_name)
+        if len(list(data)) > 0:
+            res = func(True, **data)
+        else:
+            res = func(True)
+
+        return res
+
+    def gen_op_mutation(self):
+        session = self._session
+        data = self._data
+        name = self._name
+        op_mode_list = self._op_mode_list
+
+        # handle the case that the op-mode file name contains underscores:
+        if op_mode_list is None:
+            raise FileNotFoundError(f"No op-mode file list at '{op_mode_include_file}'")
+        (func_name, scriptname) = split_compound_op_mode_name(name, op_mode_list)
+        if scriptname == '':
+            raise FileNotFoundError(f"No op-mode file named in string '{name}'")
+
+        mod = load_op_mode_as_module(f'{scriptname}')
+        func = getattr(mod, func_name)
+        if len(list(data)) > 0:
+            res = func(**data)
+        else:
+            res = func()
+
+        return res