1 files changed, 133 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/controllers/cluster_configuration.py b/src/pybind/mgr/dashboard/controllers/cluster_configuration.py
new file mode 100644
index 000000000..1cfd06059
--- /dev/null
+++ b/src/pybind/mgr/dashboard/controllers/cluster_configuration.py
@@ -0,0 +1,133 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import
+
+import cherrypy
+
+from .. import mgr
+from ..exceptions import DashboardException
+from ..security import Scope
+from ..services.ceph_service import CephService
+from . import APIDoc, APIRouter, EndpointDoc, RESTController
+
+FILTER_SCHEMA = [{
+    "name": (str, 'Name of the config option'),
+    "type": (str, 'Config option type'),
+    "level": (str, 'Config option level'),
+    "desc": (str, 'Description of the configuration'),
+    "long_desc": (str, 'Elaborated description'),
+    "default": (str, 'Default value for the config option'),
+    "daemon_default": (str, 'Daemon specific default value'),
+    "tags": ([str], 'Tags associated with the cluster'),
+    "services": ([str], 'Services associated with the config option'),
+    "see_also": ([str], 'Related config options'),
+    "enum_values": ([str], 'List of enums allowed'),
+    "min": (str, 'Minimum value'),
+    "max": (str, 'Maximum value'),
+    "can_update_at_runtime": (bool, 'Check if can update at runtime'),
+    "flags": ([str], 'List of flags associated')
+}]
+
+
+@APIRouter('/cluster_conf', Scope.CONFIG_OPT)
+@APIDoc("Manage Cluster Configurations", "ClusterConfiguration")
+class ClusterConfiguration(RESTController):
+
+    def _append_config_option_values(self, options):
+        """
+        Appends values from the config database (if available) to the given options
+        :param options: list of config options
+        :return: list of config options extended by their current values
+        """
+        config_dump = CephService.send_command('mon', 'config dump')
+        mgr_config = mgr.get('config')
+        config_dump.append({'name': 'fsid', 'section': 'mgr', 'value': mgr_config['fsid']})
+
+        for config_dump_entry in config_dump:
+            for i, elem in enumerate(options):
+                if config_dump_entry['name'] == elem['name']:
+                    if 'value' not in elem:
+                        options[i]['value'] = []
+                        options[i]['source'] = 'mon'
+
+                    options[i]['value'].append({'section': config_dump_entry['section'],
+                                                'value': config_dump_entry['value']})
+        return options
+
+    def list(self):
+        options = mgr.get('config_options')['options']
+        return self._append_config_option_values(options)
+
+    def get(self, name):
+        return self._get_config_option(name)
+
+    @RESTController.Collection('GET', query_params=['name'])
+    @EndpointDoc("Get Cluster Configuration by name",
+                 parameters={
+                     'names': (str, 'Config option names'),
+                 },
+                 responses={200: FILTER_SCHEMA})
+    def filter(self, names=None):
+        config_options = []
+
+        if names:
+            for name in names.split(','):
+                try:
+                    config_options.append(self._get_config_option(name))
+                except cherrypy.HTTPError:
+                    pass
+
+        if not config_options:
+            raise cherrypy.HTTPError(404, 'Config options `{}` not found'.format(names))
+
+        return config_options
+
+    def create(self, name, value):
+        # Check if config option is updateable at runtime
+        self._updateable_at_runtime([name])
+
+        # Update config option
+        avail_sections = ['global', 'mon', 'mgr', 'osd', 'mds', 'client']
+
+        for section in avail_sections:
+            for entry in value:
+                if entry['value'] is None:
+                    break
+
+                if entry['section'] == section:
+                    CephService.send_command('mon', 'config set', who=section, name=name,
+                                             value=str(entry['value']))
+                    break
+            else:
+                CephService.send_command('mon', 'config rm', who=section, name=name)
+
+    def delete(self, name, section):
+        return CephService.send_command('mon', 'config rm', who=section, name=name)
+
+    def bulk_set(self, options):
+        self._updateable_at_runtime(options.keys())
+
+        for name, value in options.items():
+            CephService.send_command('mon', 'config set', who=value['section'],
+                                     name=name, value=str(value['value']))
+
+    def _get_config_option(self, name):
+        for option in mgr.get('config_options')['options']:
+            if option['name'] == name:
+                return self._append_config_option_values([option])[0]
+
+        raise cherrypy.HTTPError(404)
+
+    def _updateable_at_runtime(self, config_option_names):
+        not_updateable = []
+
+        for name in config_option_names:
+            config_option = self._get_config_option(name)
+            if not config_option['can_update_at_runtime']:
+                not_updateable.append(name)
+
+        if not_updateable:
+            raise DashboardException(
+                msg='Config option {} is/are not updatable at runtime'.format(
+                    ', '.join(not_updateable)),
+                code='config_option_not_updatable_at_runtime',
+                component='cluster_configuration')