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-rw-r--r--CHANGES.rst9
-rw-r--r--UPGRADE.rst9
-rw-r--r--docs/metrics-howto.rst11
-rwxr-xr-xscripts/synapse_port_db81
-rw-r--r--synapse/federation/transport/client.py19
-rw-r--r--synapse/federation/transport/server.py20
-rw-r--r--synapse/groups/groups_server.py78
-rw-r--r--synapse/handlers/groups_local.py40
-rw-r--r--synapse/http/matrixfederationclient.py6
-rw-r--r--synapse/http/server.py33
-rw-r--r--synapse/storage/group_server.py5
-rw-r--r--synapse/util/metrics.py25
12 files changed, 247 insertions, 89 deletions
diff --git a/CHANGES.rst b/CHANGES.rst
index 5fbad54427..38372381ac 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,12 +1,3 @@
-Changes in synapse v0.28.0 (2018-xx-xx)
-=======================================
-
-As previously advised, this release removes a number of redundant Prometheus
-metrics. Administrators may need to update their dashboards and alerting rules
-to use the updated metric names, if they have not already done so. See
-`docs/metrics-howto.rst <docs/metrics-howto.rst#deprecated-metrics-removed-in-0-28-0>`_
-for more details.
-
 Changes in synapse v0.27.2 (2018-03-26)
 =======================================
 
diff --git a/UPGRADE.rst b/UPGRADE.rst
index 39a16b1c0c..f6bb1070b1 100644
--- a/UPGRADE.rst
+++ b/UPGRADE.rst
@@ -52,7 +52,7 @@ Upgrading to $NEXT_VERSION
 ====================
 
 This release expands the anonymous usage stats sent if the opt-in
-``report_stats`` configuration is set to ``true``. We now capture RSS memory
+``report_stats`` configuration is set to ``true``. We now capture RSS memory 
 and cpu use at a very coarse level. This requires administrators to install
 the optional ``psutil`` python module.
 
@@ -60,13 +60,6 @@ We would appreciate it if you could assist by ensuring this module is available
 and ``report_stats`` is enabled. This will let us see if performance changes to
 synapse are having an impact to the general community.
 
-This release also removes a number of redundant Prometheus metrics.
-Administrators may need to update their dashboards and alerting rules to use
-the updated metric names, if they have not already done so. See
-`docs/metrics-howto.rst <docs/metrics-howto.rst#deprecated-metrics-removed-in-0-28-0>`_
-for more details.
-
-
 Upgrading to v0.15.0
 ====================
 
diff --git a/docs/metrics-howto.rst b/docs/metrics-howto.rst
index 5e2d7c52ec..8acc479bc3 100644
--- a/docs/metrics-howto.rst
+++ b/docs/metrics-howto.rst
@@ -34,17 +34,6 @@ How to monitor Synapse metrics using Prometheus
    Restart prometheus.
 
 
-Deprecated metrics removed in 0.28.0
-------------------------------------
-
-Synapse 0.28.0 removes all of the metrics deprecated by 0.27.0, which are those
-listed under "Old name" below. This has been done to reduce the bandwidth used
-by gathering metrics and the storage requirements for the Prometheus server, as
-well as reducing CPU overhead for both Synapse and Prometheus.
-
-Administrators should update any alerts or monitoring dashboards to use the
-"New name" listed below.
-
 Block and response metrics renamed for 0.27.0
 ---------------------------------------------
 
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
index d46581e4e1..7b23a44854 100755
--- a/scripts/synapse_port_db
+++ b/scripts/synapse_port_db
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 # Copyright 2015, 2016 OpenMarket Ltd
+# Copyright 2018 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -250,6 +251,12 @@ class Porter(object):
     @defer.inlineCallbacks
     def handle_table(self, table, postgres_size, table_size, forward_chunk,
                      backward_chunk):
+        logger.info(
+            "Table %s: %i/%i (rows %i-%i) already ported",
+            table, postgres_size, table_size,
+            backward_chunk+1, forward_chunk-1,
+        )
+
         if not table_size:
             return
 
@@ -467,31 +474,10 @@ class Porter(object):
             self.progress.set_state("Preparing PostgreSQL")
             self.setup_db(postgres_config, postgres_engine)
 
-            # Step 2. Get tables.
-            self.progress.set_state("Fetching tables")
-            sqlite_tables = yield self.sqlite_store._simple_select_onecol(
-                table="sqlite_master",
-                keyvalues={
-                    "type": "table",
-                },
-                retcol="name",
-            )
-
-            postgres_tables = yield self.postgres_store._simple_select_onecol(
-                table="information_schema.tables",
-                keyvalues={},
-                retcol="distinct table_name",
-            )
-
-            tables = set(sqlite_tables) & set(postgres_tables)
-
-            self.progress.set_state("Creating tables")
-
-            logger.info("Found %d tables", len(tables))
-
+            self.progress.set_state("Creating port tables")
             def create_port_table(txn):
                 txn.execute(
-                    "CREATE TABLE port_from_sqlite3 ("
+                    "CREATE TABLE IF NOT EXISTS port_from_sqlite3 ("
                     " table_name varchar(100) NOT NULL UNIQUE,"
                     " forward_rowid bigint NOT NULL,"
                     " backward_rowid bigint NOT NULL"
@@ -517,18 +503,33 @@ class Porter(object):
                     "alter_table", alter_table
                 )
             except Exception as e:
-                logger.info("Failed to create port table: %s", e)
+                pass
 
-            try:
-                yield self.postgres_store.runInteraction(
-                    "create_port_table", create_port_table
-                )
-            except Exception as e:
-                logger.info("Failed to create port table: %s", e)
+            yield self.postgres_store.runInteraction(
+                "create_port_table", create_port_table
+            )
+
+            # Step 2. Get tables.
+            self.progress.set_state("Fetching tables")
+            sqlite_tables = yield self.sqlite_store._simple_select_onecol(
+                table="sqlite_master",
+                keyvalues={
+                    "type": "table",
+                },
+                retcol="name",
+            )
 
-            self.progress.set_state("Setting up")
+            postgres_tables = yield self.postgres_store._simple_select_onecol(
+                table="information_schema.tables",
+                keyvalues={},
+                retcol="distinct table_name",
+            )
 
-            # Set up tables.
+            tables = set(sqlite_tables) & set(postgres_tables)
+            logger.info("Found %d tables", len(tables))
+
+            # Step 3. Figure out what still needs copying
+            self.progress.set_state("Checking on port progress")
             setup_res = yield defer.gatherResults(
                 [
                     self.setup_table(table)
@@ -539,7 +540,8 @@ class Porter(object):
                 consumeErrors=True,
             )
 
-            # Process tables.
+            # Step 4. Do the copying.
+            self.progress.set_state("Copying to postgres")
             yield defer.gatherResults(
                 [
                     self.handle_table(*res)
@@ -548,6 +550,9 @@ class Porter(object):
                 consumeErrors=True,
             )
 
+            # Step 5. Do final post-processing
+            yield self._setup_state_group_id_seq()
+
             self.progress.done()
         except:
             global end_error_exec_info
@@ -707,6 +712,16 @@ class Porter(object):
 
         defer.returnValue((done, remaining + done))
 
+    def _setup_state_group_id_seq(self):
+        def r(txn):
+            txn.execute("SELECT MAX(id) FROM state_groups")
+            next_id = txn.fetchone()[0]+1
+            txn.execute(
+                "ALTER SEQUENCE state_group_id_seq RESTART WITH %s",
+                (next_id,),
+            )
+        return self.postgres_store.runInteraction("setup_state_group_id_seq", r)
+
 
 ##############################################
 ###### The following is simply UI stuff ######
diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 1fe162d55b..50a967a7ec 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -615,6 +615,19 @@ class TransportLayerClient(object):
         )
 
     @log_function
+    def join_group(self, destination, group_id, user_id, content):
+        """Attempts to join a group
+        """
+        path = PREFIX + "/groups/%s/users/%s/join" % (group_id, user_id)
+
+        return self.client.post_json(
+            destination=destination,
+            path=path,
+            data=content,
+            ignore_backoff=True,
+        )
+
+    @log_function
     def invite_to_group(self, destination, group_id, user_id, requester_user_id, content):
         """Invite a user to a group
         """
@@ -858,13 +871,13 @@ class TransportLayerClient(object):
         )
 
     @log_function
-    def set_group_joinable(self, destination, group_id, requester_user_id,
-                           content):
+    def set_group_join_policy(self, destination, group_id, requester_user_id,
+                              content):
         """Sets the join policy for a group
         """
         path = PREFIX + "/groups/%s/settings/m.join_policy" % (group_id,)
 
-        return self.client.post_json(
+        return self.client.put_json(
             destination=destination,
             path=path,
             args={"requester_user_id": requester_user_id},
diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py
index 3658ca75f3..4c94d5a36c 100644
--- a/synapse/federation/transport/server.py
+++ b/synapse/federation/transport/server.py
@@ -803,6 +803,23 @@ class FederationGroupsAcceptInviteServlet(BaseFederationServlet):
         defer.returnValue((200, new_content))
 
 
+class FederationGroupsJoinServlet(BaseFederationServlet):
+    """Attempt to join a group
+    """
+    PATH = "/groups/(?P<group_id>[^/]*)/users/(?P<user_id>[^/]*)/join$"
+
+    @defer.inlineCallbacks
+    def on_POST(self, origin, content, query, group_id, user_id):
+        if get_domain_from_id(user_id) != origin:
+            raise SynapseError(403, "user_id doesn't match origin")
+
+        new_content = yield self.handler.join_group(
+            group_id, user_id, content,
+        )
+
+        defer.returnValue((200, new_content))
+
+
 class FederationGroupsRemoveUserServlet(BaseFederationServlet):
     """Leave or kick a user from the group
     """
@@ -1131,7 +1148,7 @@ class FederationGroupsSettingJoinPolicyServlet(BaseFederationServlet):
     PATH = "/groups/(?P<group_id>[^/]*)/settings/m.join_policy$"
 
     @defer.inlineCallbacks
-    def on_POST(self, origin, content, query, group_id):
+    def on_PUT(self, origin, content, query, group_id):
         requester_user_id = parse_string_from_args(query, "requester_user_id")
         if get_domain_from_id(requester_user_id) != origin:
             raise SynapseError(403, "requester_user_id doesn't match origin")
@@ -1182,6 +1199,7 @@ GROUP_SERVER_SERVLET_CLASSES = (
     FederationGroupsInvitedUsersServlet,
     FederationGroupsInviteServlet,
     FederationGroupsAcceptInviteServlet,
+    FederationGroupsJoinServlet,
     FederationGroupsRemoveUserServlet,
     FederationGroupsSummaryRoomsServlet,
     FederationGroupsCategoriesServlet,
diff --git a/synapse/groups/groups_server.py b/synapse/groups/groups_server.py
index 70781e1854..2d95b04e0c 100644
--- a/synapse/groups/groups_server.py
+++ b/synapse/groups/groups_server.py
@@ -404,9 +404,16 @@ class GroupsServerHandler(object):
 
         yield self.check_group_is_ours(group_id, requester_user_id)
 
-        group_description = yield self.store.get_group(group_id)
+        group = yield self.store.get_group(group_id)
+
+        if group:
+            cols = [
+                "name", "short_description", "long_description",
+                "avatar_url", "is_public",
+            ]
+            group_description = {key: group[key] for key in cols}
+            group_description["is_openly_joinable"] = group["join_policy"] == "open"
 
-        if group_description:
             defer.returnValue(group_description)
         else:
             raise SynapseError(404, "Unknown group")
@@ -678,30 +685,21 @@ class GroupsServerHandler(object):
             raise SynapseError(502, "Unknown state returned by HS")
 
     @defer.inlineCallbacks
-    def accept_invite(self, group_id, requester_user_id, content):
-        """User tries to accept an invite to the group.
+    def _add_user(self, group_id, user_id, content):
+        """Add a user to a group based on a content dict.
 
-        This is different from them asking to join, and so should error if no
-        invite exists (and they're not a member of the group)
+        See accept_invite, join_group.
         """
-
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
-
-        is_invited = yield self.store.is_user_invited_to_local_group(
-            group_id, requester_user_id,
-        )
-        if not is_invited:
-            raise SynapseError(403, "User not invited to group")
-
-        if not self.hs.is_mine_id(requester_user_id):
+        if not self.hs.is_mine_id(user_id):
             local_attestation = self.attestations.create_attestation(
-                group_id, requester_user_id,
+                group_id, user_id,
             )
+
             remote_attestation = content["attestation"]
 
             yield self.attestations.verify_attestation(
                 remote_attestation,
-                user_id=requester_user_id,
+                user_id=user_id,
                 group_id=group_id,
             )
         else:
@@ -711,13 +709,53 @@ class GroupsServerHandler(object):
         is_public = _parse_visibility_from_contents(content)
 
         yield self.store.add_user_to_group(
-            group_id, requester_user_id,
+            group_id, user_id,
             is_admin=False,
             is_public=is_public,
             local_attestation=local_attestation,
             remote_attestation=remote_attestation,
         )
 
+        defer.returnValue(local_attestation)
+
+    @defer.inlineCallbacks
+    def accept_invite(self, group_id, requester_user_id, content):
+        """User tries to accept an invite to the group.
+
+        This is different from them asking to join, and so should error if no
+        invite exists (and they're not a member of the group)
+        """
+
+        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+
+        is_invited = yield self.store.is_user_invited_to_local_group(
+            group_id, requester_user_id,
+        )
+        if not is_invited:
+            raise SynapseError(403, "User not invited to group")
+
+        local_attestation = yield self._add_user(group_id, requester_user_id, content)
+
+        defer.returnValue({
+            "state": "join",
+            "attestation": local_attestation,
+        })
+
+    @defer.inlineCallbacks
+    def join_group(self, group_id, requester_user_id, content):
+        """User tries to join the group.
+
+        This will error if the group requires an invite/knock to join
+        """
+
+        group_info = yield self.check_group_is_ours(
+            group_id, requester_user_id, and_exists=True
+        )
+        if group_info['join_policy'] != "open":
+            raise SynapseError(403, "Group is not publicly joinable")
+
+        local_attestation = yield self._add_user(group_id, requester_user_id, content)
+
         defer.returnValue({
             "state": "join",
             "attestation": local_attestation,
@@ -874,7 +912,7 @@ def _parse_join_policy_dict(join_policy_dict):
     """
     join_policy_type = join_policy_dict.get("type")
     if not join_policy_type:
-        return True
+        return "invite"
 
     if join_policy_type not in ("invite", "open"):
         raise SynapseError(
diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py
index 5f7b0ff305..977993e7d4 100644
--- a/synapse/handlers/groups_local.py
+++ b/synapse/handlers/groups_local.py
@@ -229,7 +229,45 @@ class GroupsLocalHandler(object):
     def join_group(self, group_id, user_id, content):
         """Request to join a group
         """
-        raise NotImplementedError()  # TODO
+        if self.is_mine_id(group_id):
+            yield self.groups_server_handler.join_group(
+                group_id, user_id, content
+            )
+            local_attestation = None
+            remote_attestation = None
+        else:
+            local_attestation = self.attestations.create_attestation(group_id, user_id)
+            content["attestation"] = local_attestation
+
+            res = yield self.transport_client.join_group(
+                get_domain_from_id(group_id), group_id, user_id, content,
+            )
+
+            remote_attestation = res["attestation"]
+
+            yield self.attestations.verify_attestation(
+                remote_attestation,
+                group_id=group_id,
+                user_id=user_id,
+                server_name=get_domain_from_id(group_id),
+            )
+
+        # TODO: Check that the group is public and we're being added publically
+        is_publicised = content.get("publicise", False)
+
+        token = yield self.store.register_user_group_membership(
+            group_id, user_id,
+            membership="join",
+            is_admin=False,
+            local_attestation=local_attestation,
+            remote_attestation=remote_attestation,
+            is_publicised=is_publicised,
+        )
+        self.notifier.on_new_event(
+            "groups_key", token, users=[user_id],
+        )
+
+        defer.returnValue({})
 
     @defer.inlineCallbacks
     def accept_invite(self, group_id, user_id, content):
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index 9145405cb0..60a29081e8 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -286,7 +286,8 @@ class MatrixFederationHttpClient(object):
         headers_dict[b"Authorization"] = auth_headers
 
     @defer.inlineCallbacks
-    def put_json(self, destination, path, data={}, json_data_callback=None,
+    def put_json(self, destination, path, args={}, data={},
+                 json_data_callback=None,
                  long_retries=False, timeout=None,
                  ignore_backoff=False,
                  backoff_on_404=False):
@@ -296,6 +297,7 @@ class MatrixFederationHttpClient(object):
             destination (str): The remote server to send the HTTP request
                 to.
             path (str): The HTTP path.
+            args (dict): query params
             data (dict): A dict containing the data that will be used as
                 the request body. This will be encoded as JSON.
             json_data_callback (callable): A callable returning the dict to
@@ -342,6 +344,7 @@ class MatrixFederationHttpClient(object):
             path,
             body_callback=body_callback,
             headers_dict={"Content-Type": ["application/json"]},
+            query_bytes=encode_query_args(args),
             long_retries=long_retries,
             timeout=timeout,
             ignore_backoff=ignore_backoff,
@@ -373,6 +376,7 @@ class MatrixFederationHttpClient(object):
                 giving up. None indicates no timeout.
             ignore_backoff (bool): true to ignore the historical backoff data and
                 try the request anyway.
+            args (dict): query params
         Returns:
             Deferred: Succeeds when we get a 2xx HTTP response. The result
             will be the decoded JSON body.
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 02c7e46f08..64e083ebfc 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -47,6 +47,17 @@ metrics = synapse.metrics.get_metrics_for(__name__)
 response_count = metrics.register_counter(
     "response_count",
     labels=["method", "servlet", "tag"],
+    alternative_names=(
+        # the following are all deprecated aliases for the same metric
+        metrics.name_prefix + x for x in (
+            "_requests",
+            "_response_time:count",
+            "_response_ru_utime:count",
+            "_response_ru_stime:count",
+            "_response_db_txn_count:count",
+            "_response_db_txn_duration:count",
+        )
+    )
 )
 
 requests_counter = metrics.register_counter(
@@ -62,24 +73,39 @@ outgoing_responses_counter = metrics.register_counter(
 response_timer = metrics.register_counter(
     "response_time_seconds",
     labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_time:total",
+    ),
 )
 
 response_ru_utime = metrics.register_counter(
     "response_ru_utime_seconds", labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_ru_utime:total",
+    ),
 )
 
 response_ru_stime = metrics.register_counter(
     "response_ru_stime_seconds", labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_ru_stime:total",
+    ),
 )
 
 response_db_txn_count = metrics.register_counter(
     "response_db_txn_count", labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_db_txn_count:total",
+    ),
 )
 
 # seconds spent waiting for db txns, excluding scheduling time, when processing
 # this request
 response_db_txn_duration = metrics.register_counter(
     "response_db_txn_duration_seconds", labels=["method", "servlet", "tag"],
+    alternative_names=(
+        metrics.name_prefix + "_response_db_txn_duration:total",
+    ),
 )
 
 # seconds spent waiting for a db connection, when processing this request
@@ -87,6 +113,11 @@ response_db_sched_duration = metrics.register_counter(
     "response_db_sched_duration_seconds", labels=["method", "servlet", "tag"]
 )
 
+# size in bytes of the response written
+response_size = metrics.register_counter(
+    "response_size", labels=["method", "servlet", "tag"]
+)
+
 _next_request_id = 0
 
 
@@ -400,6 +431,8 @@ class RequestMetrics(object):
             context.db_sched_duration_ms / 1000., request.method, self.name, tag
         )
 
+        response_size.inc_by(request.sentLength, request.method, self.name, tag)
+
 
 class RootRedirect(resource.Resource):
     """Redirects the root '/' path to another path."""
diff --git a/synapse/storage/group_server.py b/synapse/storage/group_server.py
index db316a27ec..da05ccb027 100644
--- a/synapse/storage/group_server.py
+++ b/synapse/storage/group_server.py
@@ -55,10 +55,11 @@ class GroupServerStore(SQLBaseStore):
                 "group_id": group_id,
             },
             retcols=(
-                "name", "short_description", "long_description", "avatar_url", "is_public"
+                "name", "short_description", "long_description",
+                "avatar_url", "is_public", "join_policy",
             ),
             allow_none=True,
-            desc="is_user_in_group",
+            desc="get_group",
         )
 
     def get_users_in_group(self, group_id, include_private=False):
diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py
index c3d8237e8f..e4b5687a4b 100644
--- a/synapse/util/metrics.py
+++ b/synapse/util/metrics.py
@@ -31,28 +31,53 @@ metrics = synapse.metrics.get_metrics_for(__name__)
 block_counter = metrics.register_counter(
     "block_count",
     labels=["block_name"],
+    alternative_names=(
+        # the following are all deprecated aliases for the same metric
+        metrics.name_prefix + x for x in (
+            "_block_timer:count",
+            "_block_ru_utime:count",
+            "_block_ru_stime:count",
+            "_block_db_txn_count:count",
+            "_block_db_txn_duration:count",
+        )
+    )
 )
 
 block_timer = metrics.register_counter(
     "block_time_seconds",
     labels=["block_name"],
+    alternative_names=(
+        metrics.name_prefix + "_block_timer:total",
+    ),
 )
 
 block_ru_utime = metrics.register_counter(
     "block_ru_utime_seconds", labels=["block_name"],
+    alternative_names=(
+        metrics.name_prefix + "_block_ru_utime:total",
+    ),
 )
 
 block_ru_stime = metrics.register_counter(
     "block_ru_stime_seconds", labels=["block_name"],
+    alternative_names=(
+        metrics.name_prefix + "_block_ru_stime:total",
+    ),
 )
 
 block_db_txn_count = metrics.register_counter(
     "block_db_txn_count", labels=["block_name"],
+    alternative_names=(
+        metrics.name_prefix + "_block_db_txn_count:total",
+    ),
 )
 
 # seconds spent waiting for db txns, excluding scheduling time, in this block
 block_db_txn_duration = metrics.register_counter(
     "block_db_txn_duration_seconds", labels=["block_name"],
+    alternative_names=(
+        metrics.name_prefix + "_block_db_txn_duration:total",
+    ),
 )
 
 # seconds spent waiting for a db connection, in this block