diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/admin_api/room_membership.md | 34 | ||||
| -rw-r--r-- | docs/dev/cas.md | 64 | ||||
| -rw-r--r-- | docs/dev/saml.md | 8 | ||||
| -rw-r--r-- | docs/log_contexts.md | 5 | ||||
| -rw-r--r-- | docs/password_auth_providers.md | 6 | ||||
| -rw-r--r-- | docs/postgres.md | 73 | ||||
| -rw-r--r-- | docs/reverse_proxy.md | 3 | ||||
| -rw-r--r-- | docs/sample_config.yaml | 220 | ||||
| -rw-r--r-- | docs/systemd-with-workers/README.md | 67 | ||||
| -rw-r--r-- | docs/systemd-with-workers/system/matrix-synapse-worker@.service | 20 | ||||
| -rw-r--r-- | docs/systemd-with-workers/system/matrix-synapse.service | 21 | ||||
| -rw-r--r-- | docs/systemd-with-workers/system/matrix-synapse.target | 6 | ||||
| -rw-r--r-- | docs/systemd-with-workers/workers/federation_reader.yaml | 13 | ||||
| -rw-r--r-- | docs/tcp_replication.md | 50 | ||||
| -rw-r--r-- | docs/turn-howto.md | 7 | ||||
| -rw-r--r-- | docs/workers.md | 48 |
16 files changed, 535 insertions, 110 deletions
diff --git a/docs/admin_api/room_membership.md b/docs/admin_api/room_membership.md new file mode 100644 index 0000000000..16736d3d37 --- /dev/null +++ b/docs/admin_api/room_membership.md @@ -0,0 +1,34 @@ +# Edit Room Membership API + +This API allows an administrator to join an user account with a given `user_id` +to a room with a given `room_id_or_alias`. You can only modify the membership of +local users. The server administrator must be in the room and have permission to +invite users. + +## Parameters + +The following parameters are available: + +* `user_id` - Fully qualified user: for example, `@user:server.com`. +* `room_id_or_alias` - The room identifier or alias to join: for example, + `!636q39766251:server.com`. + +## Usage + +``` +POST /_synapse/admin/v1/join/<room_id_or_alias> + +{ + "user_id": "@user:server.com" +} +``` + +Including an `access_token` of a server admin. + +Response: + +``` +{ + "room_id": "!636q39766251:server.com" +} +``` diff --git a/docs/dev/cas.md b/docs/dev/cas.md new file mode 100644 index 0000000000..f8d02cc82c --- /dev/null +++ b/docs/dev/cas.md @@ -0,0 +1,64 @@ +# How to test CAS as a developer without a server + +The [django-mama-cas](https://github.com/jbittel/django-mama-cas) project is an +easy to run CAS implementation built on top of Django. + +## Prerequisites + +1. Create a new virtualenv: `python3 -m venv <your virtualenv>` +2. Activate your virtualenv: `source /path/to/your/virtualenv/bin/activate` +3. Install Django and django-mama-cas: + ``` + python -m pip install "django<3" "django-mama-cas==2.4.0" + ``` +4. Create a Django project in the current directory: + ``` + django-admin startproject cas_test . + ``` +5. Follow the [install directions](https://django-mama-cas.readthedocs.io/en/latest/installation.html#configuring) for django-mama-cas +6. Setup the SQLite database: `python manage.py migrate` +7. Create a user: + ``` + python manage.py createsuperuser + ``` + 1. Use whatever you want as the username and password. + 2. Leave the other fields blank. +8. Use the built-in Django test server to serve the CAS endpoints on port 8000: + ``` + python manage.py runserver + ``` + +You should now have a Django project configured to serve CAS authentication with +a single user created. + +## Configure Synapse (and Riot) to use CAS + +1. Modify your `homeserver.yaml` to enable CAS and point it to your locally + running Django test server: + ```yaml + cas_config: + enabled: true + server_url: "http://localhost:8000" + service_url: "http://localhost:8081" + #displayname_attribute: name + #required_attributes: + # name: value + ``` +2. Restart Synapse. + +Note that the above configuration assumes the homeserver is running on port 8081 +and that the CAS server is on port 8000, both on localhost. + +## Testing the configuration + +Then in Riot: + +1. Visit the login page with a Riot pointing at your homeserver. +2. Click the Single Sign-On button. +3. Login using the credentials created with `createsuperuser`. +4. You should be logged in. + +If you want to repeat this process you'll need to manually logout first: + +1. http://localhost:8000/admin/ +2. Click "logout" in the top right. diff --git a/docs/dev/saml.md b/docs/dev/saml.md index f41aadce47..a9bfd2dc05 100644 --- a/docs/dev/saml.md +++ b/docs/dev/saml.md @@ -18,9 +18,13 @@ To make Synapse (and therefore Riot) use it: metadata: local: ["samling.xml"] ``` -5. Run `apt-get install xmlsec1` and `pip install --upgrade --force 'pysaml2>=4.5.0'` to ensure +5. Ensure that your `homeserver.yaml` has a setting for `public_baseurl`: + ```yaml + public_baseurl: http://localhost:8080/ + ``` +6. Run `apt-get install xmlsec1` and `pip install --upgrade --force 'pysaml2>=4.5.0'` to ensure the dependencies are installed and ready to go. -6. Restart Synapse. +7. Restart Synapse. Then in Riot: diff --git a/docs/log_contexts.md b/docs/log_contexts.md index 5331e8c88b..fe30ca2791 100644 --- a/docs/log_contexts.md +++ b/docs/log_contexts.md @@ -29,14 +29,13 @@ from synapse.logging import context # omitted from future snippets def handle_request(request_id): request_context = context.LoggingContext() - calling_context = context.LoggingContext.current_context() - context.LoggingContext.set_current_context(request_context) + calling_context = context.set_current_context(request_context) try: request_context.request = request_id do_request_handling() logger.debug("finished") finally: - context.LoggingContext.set_current_context(calling_context) + context.set_current_context(calling_context) def do_request_handling(): logger.debug("phew") # this will be logged against request_id diff --git a/docs/password_auth_providers.md b/docs/password_auth_providers.md index 0db1a3804a..5d9ae67041 100644 --- a/docs/password_auth_providers.md +++ b/docs/password_auth_providers.md @@ -9,7 +9,11 @@ into Synapse, and provides a number of methods by which it can integrate with the authentication system. This document serves as a reference for those looking to implement their -own password auth providers. +own password auth providers. Additionally, here is a list of known +password auth provider module implementations: + +* [matrix-synapse-ldap3](https://github.com/matrix-org/matrix-synapse-ldap3/) +* [matrix-synapse-shared-secret-auth](https://github.com/devture/matrix-synapse-shared-secret-auth) ## Required methods diff --git a/docs/postgres.md b/docs/postgres.md index e0793ecee8..70fe29cdcc 100644 --- a/docs/postgres.md +++ b/docs/postgres.md @@ -61,7 +61,33 @@ Note that the PostgreSQL database *must* have the correct encoding set You may need to enable password authentication so `synapse_user` can connect to the database. See -<https://www.postgresql.org/docs/11/auth-pg-hba-conf.html>. +<https://www.postgresql.org/docs/current/auth-pg-hba-conf.html>. + +If you get an error along the lines of `FATAL: Ident authentication failed for +user "synapse_user"`, you may need to use an authentication method other than +`ident`: + +* If the `synapse_user` user has a password, add the password to the `database:` + section of `homeserver.yaml`. Then add the following to `pg_hba.conf`: + + ``` + host synapse synapse_user ::1/128 md5 # or `scram-sha-256` instead of `md5` if you use that + ``` + +* If the `synapse_user` user does not have a password, then a password doesn't + have to be added to `homeserver.yaml`. But the following does need to be added + to `pg_hba.conf`: + + ``` + host synapse synapse_user ::1/128 trust + ``` + +Note that line order matters in `pg_hba.conf`, so make sure that if you do add a +new line, it is inserted before: + +``` +host all all ::1/128 ident +``` ### Fixing incorrect `COLLATE` or `CTYPE` @@ -72,8 +98,7 @@ underneath the database, or if a different version of the locale is used on any replicas. The safest way to fix the issue is to take a dump and recreate the database with -the correct `COLLATE` and `CTYPE` parameters (as per -[docs/postgres.md](docs/postgres.md)). It is also possible to change the +the correct `COLLATE` and `CTYPE` parameters (as shown above). It is also possible to change the parameters on a live database and run a `REINDEX` on the entire database, however extreme care must be taken to avoid database corruption. @@ -105,19 +130,41 @@ of free memory the database host has available. When you are ready to start using PostgreSQL, edit the `database` section in your config file to match the following lines: - database: - name: psycopg2 - args: - user: <user> - password: <pass> - database: <db> - host: <host> - cp_min: 5 - cp_max: 10 +```yaml +database: + name: psycopg2 + args: + user: <user> + password: <pass> + database: <db> + host: <host> + cp_min: 5 + cp_max: 10 +``` All key, values in `args` are passed to the `psycopg2.connect(..)` function, except keys beginning with `cp_`, which are consumed by the -twisted adbapi connection pool. +twisted adbapi connection pool. See the [libpq +documentation](https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-PARAMKEYWORDS) +for a list of options which can be passed. + +You should consider tuning the `args.keepalives_*` options if there is any danger of +the connection between your homeserver and database dropping, otherwise Synapse +may block for an extended period while it waits for a response from the +database server. Example values might be: + +```yaml +# seconds of inactivity after which TCP should send a keepalive message to the server +keepalives_idle: 10 + +# the number of seconds after which a TCP keepalive message that is not +# acknowledged by the server should be retransmitted +keepalives_interval: 10 + +# the number of TCP keepalives that can be lost before the client's connection +# to the server is considered dead +keepalives_count: 3 +``` ## Porting from SQLite diff --git a/docs/reverse_proxy.md b/docs/reverse_proxy.md index af6d73927a..c7222f73b9 100644 --- a/docs/reverse_proxy.md +++ b/docs/reverse_proxy.md @@ -42,6 +42,9 @@ the reverse proxy and the homeserver. location /_matrix { proxy_pass http://localhost:8008; proxy_set_header X-Forwarded-For $remote_addr; + # Nginx by default only allows file uploads up to 1M in size + # Increase client_max_body_size to match max_upload_size defined in homeserver.yaml + client_max_body_size 10M; } } diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index 2ff0dd05a2..ca8accbc6e 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -33,10 +33,15 @@ server_name: "SERVERNAME" # pid_file: DATADIR/homeserver.pid -# The path to the web client which will be served at /_matrix/client/ -# if 'webclient' is configured under the 'listeners' configuration. +# The absolute URL to the web client which /_matrix/client will redirect +# to if 'webclient' is configured under the 'listeners' configuration. # -#web_client_location: "/path/to/web/root" +# This option can be also set to the filesystem path to the web client +# which will be served at /_matrix/client/ if 'webclient' is configured +# under the 'listeners' configuration, however this is a security risk: +# https://github.com/matrix-org/synapse#security-note +# +#web_client_location: https://riot.example.com/ # The public-facing base URL that clients use to access this HS # (not including _matrix/...). This is the same URL a user would @@ -578,13 +583,46 @@ acme: ## Database ## +# The 'database' setting defines the database that synapse uses to store all of +# its data. +# +# 'name' gives the database engine to use: either 'sqlite3' (for SQLite) or +# 'psycopg2' (for PostgreSQL). +# +# 'args' gives options which are passed through to the database engine, +# except for options starting 'cp_', which are used to configure the Twisted +# connection pool. For a reference to valid arguments, see: +# * for sqlite: https://docs.python.org/3/library/sqlite3.html#sqlite3.connect +# * for postgres: https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-PARAMKEYWORDS +# * for the connection pool: https://twistedmatrix.com/documents/current/api/twisted.enterprise.adbapi.ConnectionPool.html#__init__ +# +# +# Example SQLite configuration: +# +#database: +# name: sqlite3 +# args: +# database: /path/to/homeserver.db +# +# +# Example Postgres configuration: +# +#database: +# name: psycopg2 +# args: +# user: synapse +# password: secretpassword +# database: synapse +# host: localhost +# cp_min: 5 +# cp_max: 10 +# +# For more information on using Synapse with Postgres, see `docs/postgres.md`. +# database: - # The database engine name - name: "sqlite3" - # Arguments to pass to the engine + name: sqlite3 args: - # Path to the database - database: "DATADIR/homeserver.db" + database: DATADIR/homeserver.db # Number of events to cache in memory. # @@ -697,12 +735,11 @@ media_store_path: "DATADIR/media_store" # #media_storage_providers: # - module: file_system -# # Whether to write new local files. +# # Whether to store newly uploaded local files # store_local: false -# # Whether to write new remote media +# # Whether to store newly downloaded remote files # store_remote: false -# # Whether to block upload requests waiting for write to this -# # provider to complete +# # Whether to wait for successful storage for local uploads # store_synchronous: false # config: # directory: /mnt/some/other/directory @@ -821,6 +858,31 @@ media_store_path: "DATADIR/media_store" # #max_spider_size: 10M +# A list of values for the Accept-Language HTTP header used when +# downloading webpages during URL preview generation. This allows +# Synapse to specify the preferred languages that URL previews should +# be in when communicating with remote servers. +# +# Each value is a IETF language tag; a 2-3 letter identifier for a +# language, optionally followed by subtags separated by '-', specifying +# a country or region variant. +# +# Multiple values can be provided, and a weight can be added to each by +# using quality value syntax (;q=). '*' translates to any language. +# +# Defaults to "en". +# +# Example: +# +# url_preview_accept_language: +# - en-UK +# - en-US;q=0.9 +# - fr;q=0.8 +# - *;q=0.7 +# +url_preview_accept_language: +# - en + ## Captcha ## # See docs/CAPTCHA_SETUP for full details of configuring this. @@ -839,10 +901,6 @@ media_store_path: "DATADIR/media_store" # #enable_registration_captcha: false -# A secret key used to bypass the captcha test entirely. -# -#captcha_bypass_secret: "YOUR_SECRET_HERE" - # The API endpoint to use for verifying m.login.recaptcha responses. # #recaptcha_siteverify_api: "https://www.recaptcha.net/recaptcha/api/siteverify" @@ -1057,6 +1115,29 @@ account_threepid_delegates: #email: https://example.com # Delegate email sending to example.com #msisdn: http://localhost:8090 # Delegate SMS sending to this local process +# Whether users are allowed to change their displayname after it has +# been initially set. Useful when provisioning users based on the +# contents of a third-party directory. +# +# Does not apply to server administrators. Defaults to 'true' +# +#enable_set_displayname: false + +# Whether users are allowed to change their avatar after it has been +# initially set. Useful when provisioning users based on the contents +# of a third-party directory. +# +# Does not apply to server administrators. Defaults to 'true' +# +#enable_set_avatar_url: false + +# Whether users can change the 3PIDs associated with their accounts +# (email address and msisdn). +# +# Defaults to 'true' +# +#enable_3pid_changes: false + # Users who register on this homeserver will automatically be joined # to these rooms # @@ -1092,7 +1173,7 @@ account_threepid_delegates: # enabled by default, either for performance reasons or limited use. # metrics_flags: - # Publish synapse_federation_known_servers, a g auge of the number of + # Publish synapse_federation_known_servers, a gauge of the number of # servers this homeserver knows about, including itself. May cause # performance problems on large homeservers. # @@ -1258,32 +1339,32 @@ saml2_config: # remote: # - url: https://our_idp/metadata.xml # - # # By default, the user has to go to our login page first. If you'd like - # # to allow IdP-initiated login, set 'allow_unsolicited: true' in a - # # 'service.sp' section: - # # - # #service: - # # sp: - # # allow_unsolicited: true - # - # # The examples below are just used to generate our metadata xml, and you - # # may well not need them, depending on your setup. Alternatively you - # # may need a whole lot more detail - see the pysaml2 docs! - # - # description: ["My awesome SP", "en"] - # name: ["Test SP", "en"] - # - # organization: - # name: Example com - # display_name: - # - ["Example co", "en"] - # url: "http://example.com" - # - # contact_person: - # - given_name: Bob - # sur_name: "the Sysadmin" - # email_address": ["admin@example.com"] - # contact_type": technical + # # By default, the user has to go to our login page first. If you'd like + # # to allow IdP-initiated login, set 'allow_unsolicited: true' in a + # # 'service.sp' section: + # # + # #service: + # # sp: + # # allow_unsolicited: true + # + # # The examples below are just used to generate our metadata xml, and you + # # may well not need them, depending on your setup. Alternatively you + # # may need a whole lot more detail - see the pysaml2 docs! + # + # description: ["My awesome SP", "en"] + # name: ["Test SP", "en"] + # + # organization: + # name: Example com + # display_name: + # - ["Example co", "en"] + # url: "http://example.com" + # + # contact_person: + # - given_name: Bob + # sur_name: "the Sysadmin" + # email_address": ["admin@example.com"] + # contact_type": technical # Instead of putting the config inline as above, you can specify a # separate pysaml2 configuration file: @@ -1392,6 +1473,10 @@ sso: # phishing attacks from evil.site. To avoid this, include a slash after the # hostname: "https://my.client/". # + # If public_baseurl is set, then the login fallback page (used by clients + # that don't natively support the required login flows) is whitelisted in + # addition to any URLs in this list. + # # By default, this list is empty. # #client_whitelist: @@ -1453,6 +1538,41 @@ password_config: # #pepper: "EVEN_MORE_SECRET" + # Define and enforce a password policy. Each parameter is optional. + # This is an implementation of MSC2000. + # + policy: + # Whether to enforce the password policy. + # Defaults to 'false'. + # + #enabled: true + + # Minimum accepted length for a password. + # Defaults to 0. + # + #minimum_length: 15 + + # Whether a password must contain at least one digit. + # Defaults to 'false'. + # + #require_digit: true + + # Whether a password must contain at least one symbol. + # A symbol is any character that's not a number or a letter. + # Defaults to 'false'. + # + #require_symbol: true + + # Whether a password must contain at least one lowercase letter. + # Defaults to 'false'. + # + #require_lowercase: true + + # Whether a password must contain at least one lowercase letter. + # Defaults to 'false'. + # + #require_uppercase: true + # Configuration for sending emails from Synapse. # @@ -1561,7 +1681,19 @@ email: #template_dir: "res/templates" -#password_providers: +# Password providers allow homeserver administrators to integrate +# their Synapse installation with existing authentication methods +# ex. LDAP, external tokens, etc. +# +# For more information and known implementations, please see +# https://github.com/matrix-org/synapse/blob/master/docs/password_auth_providers.md +# +# Note: instances wishing to use SAML or CAS authentication should +# instead use the `saml2_config` or `cas_config` options, +# respectively. +# +password_providers: +# # Example config for an LDAP auth provider # - module: "ldap_auth_provider.LdapAuthProvider" # config: # enabled: true diff --git a/docs/systemd-with-workers/README.md b/docs/systemd-with-workers/README.md new file mode 100644 index 0000000000..257c09446f --- /dev/null +++ b/docs/systemd-with-workers/README.md @@ -0,0 +1,67 @@ +# Setting up Synapse with Workers and Systemd + +This is a setup for managing synapse with systemd, including support for +managing workers. It provides a `matrix-synapse` service for the master, as +well as a `matrix-synapse-worker@` service template for any workers you +require. Additionally, to group the required services, it sets up a +`matrix-synapse.target`. + +See the folder [system](system) for the systemd unit files. + +The folder [workers](workers) contains an example configuration for the +`federation_reader` worker. + +## Synapse configuration files + +See [workers.md](../workers.md) for information on how to set up the +configuration files and reverse-proxy correctly. You can find an example worker +config in the [workers](workers) folder. + +Systemd manages daemonization itself, so ensure that none of the configuration +files set either `daemonize` or `worker_daemonize`. + +The config files of all workers are expected to be located in +`/etc/matrix-synapse/workers`. If you want to use a different location, edit +the provided `*.service` files accordingly. + +There is no need for a separate configuration file for the master process. + +## Set up + +1. Adjust synapse configuration files as above. +1. Copy the `*.service` and `*.target` files in [system](system) to +`/etc/systemd/system`. +1. Run `systemctl deamon-reload` to tell systemd to load the new unit files. +1. Run `systemctl enable matrix-synapse.service`. This will configure the +synapse master process to be started as part of the `matrix-synapse.target` +target. +1. For each worker process to be enabled, run `systemctl enable +matrix-synapse-worker@<worker_name>.service`. For each `<worker_name>`, there +should be a corresponding configuration file +`/etc/matrix-synapse/workers/<worker_name>.yaml`. +1. Start all the synapse processes with `systemctl start matrix-synapse.target`. +1. Tell systemd to start synapse on boot with `systemctl enable matrix-synapse.target`/ + +## Usage + +Once the services are correctly set up, you can use the following commands +to manage your synapse installation: + +```sh +# Restart Synapse master and all workers +systemctl restart matrix-synapse.target + +# Stop Synapse and all workers +systemctl stop matrix-synapse.target + +# Restart the master alone +systemctl start matrix-synapse.service + +# Restart a specific worker (eg. federation_reader); the master is +# unaffected by this. +systemctl restart matrix-synapse-worker@federation_reader.service + +# Add a new worker (assuming all configs are set up already) +systemctl enable matrix-synapse-worker@federation_writer.service +systemctl restart matrix-synapse.target +``` diff --git a/docs/systemd-with-workers/system/matrix-synapse-worker@.service b/docs/systemd-with-workers/system/matrix-synapse-worker@.service new file mode 100644 index 0000000000..70589a7a51 --- /dev/null +++ b/docs/systemd-with-workers/system/matrix-synapse-worker@.service @@ -0,0 +1,20 @@ +[Unit] +Description=Synapse %i + +# This service should be restarted when the synapse target is restarted. +PartOf=matrix-synapse.target + +[Service] +Type=notify +NotifyAccess=main +User=matrix-synapse +WorkingDirectory=/var/lib/matrix-synapse +EnvironmentFile=/etc/default/matrix-synapse +ExecStart=/opt/venvs/matrix-synapse/bin/python -m synapse.app.generic_worker --config-path=/etc/matrix-synapse/homeserver.yaml --config-path=/etc/matrix-synapse/conf.d/ --config-path=/etc/matrix-synapse/workers/%i.yaml +ExecReload=/bin/kill -HUP $MAINPID +Restart=always +RestartSec=3 +SyslogIdentifier=matrix-synapse-%i + +[Install] +WantedBy=matrix-synapse.target diff --git a/docs/systemd-with-workers/system/matrix-synapse.service b/docs/systemd-with-workers/system/matrix-synapse.service new file mode 100644 index 0000000000..c7b5ddfa49 --- /dev/null +++ b/docs/systemd-with-workers/system/matrix-synapse.service @@ -0,0 +1,21 @@ +[Unit] +Description=Synapse master + +# This service should be restarted when the synapse target is restarted. +PartOf=matrix-synapse.target + +[Service] +Type=notify +NotifyAccess=main +User=matrix-synapse +WorkingDirectory=/var/lib/matrix-synapse +EnvironmentFile=/etc/default/matrix-synapse +ExecStartPre=/opt/venvs/matrix-synapse/bin/python -m synapse.app.homeserver --config-path=/etc/matrix-synapse/homeserver.yaml --config-path=/etc/matrix-synapse/conf.d/ --generate-keys +ExecStart=/opt/venvs/matrix-synapse/bin/python -m synapse.app.homeserver --config-path=/etc/matrix-synapse/homeserver.yaml --config-path=/etc/matrix-synapse/conf.d/ +ExecReload=/bin/kill -HUP $MAINPID +Restart=always +RestartSec=3 +SyslogIdentifier=matrix-synapse + +[Install] +WantedBy=matrix-synapse.target diff --git a/docs/systemd-with-workers/system/matrix-synapse.target b/docs/systemd-with-workers/system/matrix-synapse.target new file mode 100644 index 0000000000..e0eba1b342 --- /dev/null +++ b/docs/systemd-with-workers/system/matrix-synapse.target @@ -0,0 +1,6 @@ +[Unit] +Description=Synapse parent target +After=network.target + +[Install] +WantedBy=multi-user.target diff --git a/docs/systemd-with-workers/workers/federation_reader.yaml b/docs/systemd-with-workers/workers/federation_reader.yaml new file mode 100644 index 0000000000..5b65c7040d --- /dev/null +++ b/docs/systemd-with-workers/workers/federation_reader.yaml @@ -0,0 +1,13 @@ +worker_app: synapse.app.federation_reader + +worker_replication_host: 127.0.0.1 +worker_replication_port: 9092 +worker_replication_http_port: 9093 + +worker_listeners: + - type: http + port: 8011 + resources: + - names: [federation] + +worker_log_config: /etc/matrix-synapse/federation-reader-log.yaml diff --git a/docs/tcp_replication.md b/docs/tcp_replication.md index e3a4634b14..3be8e50c4c 100644 --- a/docs/tcp_replication.md +++ b/docs/tcp_replication.md @@ -14,16 +14,16 @@ example flow would be (where '>' indicates master to worker and '<' worker to master flows): > SERVER example.com - < REPLICATE events 53 + < REPLICATE + > POSITION events 53 > RDATA events 54 ["$foo1:bar.com", ...] > RDATA events 55 ["$foo4:bar.com", ...] -The example shows the server accepting a new connection and sending its -identity with the `SERVER` command, followed by the client asking to -subscribe to the `events` stream from the token `53`. The server then -periodically sends `RDATA` commands which have the format -`RDATA <stream_name> <token> <row>`, where the format of `<row>` is -defined by the individual streams. +The example shows the server accepting a new connection and sending its identity +with the `SERVER` command, followed by the client server to respond with the +position of all streams. The server then periodically sends `RDATA` commands +which have the format `RDATA <stream_name> <token> <row>`, where the format of +`<row>` is defined by the individual streams. Error reporting happens by either the client or server sending an ERROR command, and usually the connection will be closed. @@ -32,9 +32,6 @@ Since the protocol is a simple line based, its possible to manually connect to the server using a tool like netcat. A few things should be noted when manually using the protocol: -- When subscribing to a stream using `REPLICATE`, the special token - `NOW` can be used to get all future updates. The special stream name - `ALL` can be used with `NOW` to subscribe to all available streams. - The federation stream is only available if federation sending has been disabled on the main process. - The server will only time connections out that have sent a `PING` @@ -91,9 +88,7 @@ The client: - Sends a `NAME` command, allowing the server to associate a human friendly name with the connection. This is optional. - Sends a `PING` as above -- For each stream the client wishes to subscribe to it sends a - `REPLICATE` with the `stream_name` and token it wants to subscribe - from. +- Sends a `REPLICATE` to get the current position of all streams. - On receipt of a `SERVER` command, checks that the server name matches the expected server name. @@ -140,9 +135,7 @@ the wire: > PING 1490197665618 < NAME synapse.app.appservice < PING 1490197665618 - < REPLICATE events 1 - < REPLICATE backfill 1 - < REPLICATE caches 1 + < REPLICATE > POSITION events 1 > POSITION backfill 1 > POSITION caches 1 @@ -181,9 +174,9 @@ client (C): #### POSITION (S) - The position of the stream has been updated. Sent to the client - after all missing updates for a stream have been sent to the client - and they're now up to date. + On receipt of a POSITION command clients should check if they have missed any + updates, and if so then fetch them out of band. Sent in response to a + REPLICATE command (but can happen at any time). #### ERROR (S, C) @@ -199,24 +192,17 @@ client (C): #### REPLICATE (C) -Asks the server to replicate a given stream. The syntax is: +Asks the server for the current position of all streams. -``` - REPLICATE <stream_name> <token> -``` +#### USER_SYNC (C) -Where `<token>` may be either: - * a numeric stream_id to stream updates since (exclusive) - * `NOW` to stream all subsequent updates. + A user has started or stopped syncing -The `<stream_name>` is the name of a replication stream to subscribe -to (see [here](../synapse/replication/tcp/streams/_base.py) for a list -of streams). It can also be `ALL` to subscribe to all known streams, -in which case the `<token>` must be set to `NOW`. +#### CLEAR_USER_SYNC (C) -#### USER_SYNC (C) + The server should clear all associated user sync data from the worker. - A user has started or stopped syncing + This is used when a worker is shutting down. #### FEDERATION_ACK (C) diff --git a/docs/turn-howto.md b/docs/turn-howto.md index 1bd3943f54..b26e41f19e 100644 --- a/docs/turn-howto.md +++ b/docs/turn-howto.md @@ -11,6 +11,13 @@ TURN server. The following sections describe how to install [coturn](<https://github.com/coturn/coturn>) (which implements the TURN REST API) and integrate it with synapse. +## Requirements + +For TURN relaying with `coturn` to work, it must be hosted on a server/endpoint with a public IP. + +Hosting TURN behind a NAT (even with appropriate port forwarding) is known to cause issues +and to often not work. + ## `coturn` Setup ### Initial installation diff --git a/docs/workers.md b/docs/workers.md index cf460283d5..2ce2259b22 100644 --- a/docs/workers.md +++ b/docs/workers.md @@ -52,24 +52,20 @@ synapse process.) You then create a set of configs for the various worker processes. These should be worker configuration files, and should be stored in a dedicated -subdirectory, to allow synctl to manipulate them. An additional configuration -for the master synapse process will need to be created because the process will -not be started automatically. That configuration should look like this: - - worker_app: synapse.app.homeserver - daemonize: true +subdirectory, to allow synctl to manipulate them. Each worker configuration file inherits the configuration of the main homeserver configuration file. You can then override configuration specific to that worker, e.g. the HTTP listener that it provides (if any); logging configuration; etc. You should minimise the number of overrides though to maintain a usable config. -You must specify the type of worker application (`worker_app`). The currently -available worker applications are listed below. You must also specify the -replication endpoints that it's talking to on the main synapse process. -`worker_replication_host` should specify the host of the main synapse, -`worker_replication_port` should point to the TCP replication listener port and -`worker_replication_http_port` should point to the HTTP replication port. +In the config file for each worker, you must specify the type of worker +application (`worker_app`). The currently available worker applications are +listed below. You must also specify the replication endpoints that it's talking +to on the main synapse process. `worker_replication_host` should specify the +host of the main synapse, `worker_replication_port` should point to the TCP +replication listener port and `worker_replication_http_port` should point to +the HTTP replication port. Currently, the `event_creator` and `federation_reader` workers require specifying `worker_replication_http_port`. @@ -90,8 +86,6 @@ For instance: - names: - client - worker_daemonize: True - worker_pid_file: /home/matrix/synapse/synchrotron.pid worker_log_config: /home/matrix/synapse/config/synchrotron_log_config.yaml ...is a full configuration for a synchrotron worker instance, which will expose a @@ -101,7 +95,31 @@ by the main synapse. Obviously you should configure your reverse-proxy to route the relevant endpoints to the worker (`localhost:8083` in the above example). -Finally, to actually run your worker-based synapse, you must pass synctl the -a +Finally, you need to start your worker processes. This can be done with either +`synctl` or your distribution's preferred service manager such as `systemd`. We +recommend the use of `systemd` where available: for information on setting up +`systemd` to start synapse workers, see +[systemd-with-workers](systemd-with-workers). To use `synctl`, see below. + +### Using synctl + +If you want to use `synctl` to manage your synapse processes, you will need to +create an an additional configuration file for the master synapse process. That +configuration should look like this: + +```yaml +worker_app: synapse.app.homeserver +``` + +Additionally, each worker app must be configured with the name of a "pid file", +to which it will write its process ID when it starts. For example, for a +synchrotron, you might write: + +```yaml +worker_pid_file: /home/matrix/synapse/synchrotron.pid +``` + +Finally, to actually run your worker-based synapse, you must pass synctl the `-a` commandline option to tell it to operate on all the worker configurations found in the given directory, e.g.: |