Initial commit

[ta/distributed-state-server.git] / src / dss / cli / dss_clihandlers.py

diff --git a/src/dss/cli/dss_clihandlers.py b/src/dss/cli/dss_clihandlers.py
new file mode 100644 (file)
index 0000000..84e65bf
--- /dev/null
+++ b/src/dss/cli/dss_clihandlers.py
@@ -0,0 +1,174 @@
+# Copyright 2019 Nokia
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import socket
+import sys
+import json
+
+from dss.api import dss_error
+from dss.client import dss_client
+
+class VerboseLogger:
+    def __call__(self, msg):
+        print(msg)
+
+class CLIHandler:
+    def __init__(self):
+        self.sock = None
+        self.verbose_logger = VerboseLogger()
+
+    def _init_api(self, server, verbose):
+        logger = None
+        if verbose:
+            logger = self.verbose_logger
+
+        self.client = dss_client.Client(server)
+
+    def set_handler(self, subparser):
+        subparser.set_defaults(handler=self)
+
+    def init_subparser(self, subparsers):
+        raise dss_error.Error('Not implemented')
+
+    def __call__(self, args):
+        raise dss_error.Error('Not implemented')
+    
+
+class CLIGetHandler(CLIHandler):
+    def init_subparser(self, subparsers):
+        subparser = subparsers.add_parser('get', help='Get the value of an attribute')
+        subparser.add_argument('--domain',
+                required=True,
+                dest='domain',
+                metavar='DOMAIN',
+                action='store')
+
+        subparser.add_argument('--name',
+                required=True,
+                dest='name',
+                metavar='NAME',
+                action='store')
+
+        self.set_handler(subparser)
+    
+    def __call__(self, args):
+        self._init_api(args.server, args.verbose)
+        value = self.client.get(args.domain, args.name)
+        print('%s' % value)
+
+class CLIGetDomainHandler(CLIHandler):
+    def init_subparser(self, subparsers):
+        subparser = subparsers.add_parser('get-domain', help='Get the domain attributes')
+        subparser.add_argument('--domain',
+                required=True,
+                dest='domain',
+                metavar='DOMAIN',
+                action='store')
+
+        self.set_handler(subparser)
+
+    def __call__(self, args):
+        self._init_api(args.server, args.verbose)
+        attrs = self.client.get_domain(args.domain)
+        for name, value in attrs.iteritems():
+            print('%s = %s' % (name, value))
+
+class CLIGetDomainsHandler(CLIHandler):
+    def init_subparser(self, subparsers):
+        subparser = subparsers.add_parser('get-domains', help='Get the domains')
+        self.set_handler(subparser)
+
+    def __call__(self, args):
+        self._init_api(args.server, args.verbose)
+        domains = self.client.get_domains()
+        for domain in domains:
+            print('%s' % domain)
+
+class CLISetHandler(CLIHandler):
+    def init_subparser(self, subparsers):
+        subparser = subparsers.add_parser('set', help='Set an attribute to some value')
+        subparser.add_argument('--domain',
+                required=True,
+                dest='domain',
+                metavar='DOMAIN',
+                action='store')
+        subparser.add_argument('--name',
+                required=True,
+                dest='name',
+                metavar='NAME',
+                action='store')
+        subparser.add_argument('--value',
+                required=True,
+                dest='value',
+                metavar='VALUE',
+                action='store')
+
+        self.set_handler(subparser)
+
+    def __call__(self, args):
+        self._init_api(args.server, args.verbose)
+        self.client.set(args.domain, args.name, args.value)
+
+class CLIDeleteHandler(CLIHandler):
+    def init_subparser(self, subparsers):
+        subparser = subparsers.add_parser('delete', help='Delete an attribute')
+        subparser.add_argument('--domain',
+                required=True,
+                dest='domain',
+                metavar='DOMAIN',
+                action='store')
+        subparser.add_argument('--name',
+                required=True,
+                dest='name',
+                metavar='NAME',
+                action='store')
+
+        self.set_handler(subparser)
+
+    def __call__(self, args):
+        self._init_api(args.server, args.verbose)
+        self.client.delete(args.domain, args.name)
+
+class CLIDeleteDomainHandler(CLIHandler):
+    def init_subparser(self, subparsers):
+        subparser = subparsers.add_parser('delete-domain', help='Delete a domain')
+        subparser.add_argument('--domain',
+                required=True,
+                dest='domain',
+                metavar='DOMAIN',
+                action='store')
+
+        self.set_handler(subparser)
+
+    def __call__(self, args):
+        self._init_api(args.server, args.verbose)
+        self.client.delete_domain(args.domain)
+
+import sys
+import inspect
+
+def get_handlers_list():
+    handlers = []
+    for name, obj in inspect.getmembers(sys.modules[__name__]):
+        if inspect.isclass(obj):
+            if name is not 'CLIHandler':
+                if issubclass(obj, CLIHandler):
+                    handlers.append(obj())
+    return handlers
+
+if __name__ == '__main__':
+    handlers = get_handlers_list()
+    for handler in handlers:
+        print('handler is ', handler)