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Merge remote-tracking branch 'origin/rob/docker' into feat-dockerfile

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# Synapse Docker
## Build
Build the docker image with the `docker build` command from the root of the synapse repository.
```
docker build -t matrixdotorg/synapse:v0.22.1 .
```
The `-t` option sets the image tag. Official images are tagged `matrixdotorg/synapse:<version>` where `<version>` is the same as the release tag in the synapse git repository.
## Configure
Synapse provides a command for generating homeserver configuration files. These are a good starting point for setting up your own deployment.
The documentation below will refer to a `CONFIG_PATH` shell variable. This is a path to a directory where synapse configuration will be stored. It needs to be mapped into the container as a volume at `/synapse/config/` as can be seen in the example `docker run` command.
Docker container environment variables:
* `GENERATE_CONFIG` - Set this to any non-empty string, such as `yes`, to trigger generation of configuration files. Existing files in the `CONFIG_PATH` will **not** be overwritten.
* `POSTGRES_DATABASE` - The database name for the synapse postgres database. [default: `synapse`]
* `POSTGRES_HOST` - The host of the postgres database if you wish to use postgresql instead of sqlite3. [default: `postgres` which is useful when using a container on the same docker network in a compose file where the postgres service is called `postgres`] **NOTE**: `localhost` and `127.0.0.1` refer to the container itself unless running the container with `host` networking.
* `POSTGRES_PASSWORD` - The password for the synapse postgres database. **If this is set then postgres will be used instead of sqlite3.** [default: none] **NOTE**: You are highly encouraged to use postgresql! Please use the compose file to make it easier to deploy.
* `POSTGRES_USER` - The user for the synapse postgres database. [default: `postgres`]
* `REPORT_STATS` - Whether to send anonymous usage statistics back to the Matrix project which helps us to get funding! Must be `yes` or `no`. [default: `yes`]
* `SERVER_NAME` - The domain used for the Matrix homeserver. If you intend to run this synapse instance on a public domain, use that domain. [default: `localhost`]
```
CONFIG_PATH=/my/magical/config/path/
mkdir -p ${CONFIG_PATH}
docker run \
--rm \
-e GENERATE_CONFIG=yes \
-e POSTGRES_PASSWORD=MyVerySecretPassword \
-e REPORT_STATS=yes \
-e SERVER_NAME=example.com \
-v ${CONFIG_PATH}:/synapse/config/ \
matrixdotorg/synapse:v0.22.1
```
This will create a temporary container from the image and use the synapse code for generating configuration files and TLS keys and certificates for the specified `SERVER_NAME` domain. The files are written to `CONFIG_PATH`.
## Run
**NOTE**: If you are not using postgresql and are using sqlite3 as your database, you will need to make a directory to store the sqlite3 database file in and then mount this volume into the container at `/synapse/data/`. As it is so easy to use postgresql, when using Docker containers, this is not documented to somewhat discourage it. Choose a `POSTGRES_PASSWORD` instead.
### Docker Compose
A `docker-compose.yaml` file is included to ease deployment of the basic synapse and postgres setup. Remember to set a `POSTGRES_PASSWORD` when generating your configuration above. You will need it for running the containers in the composition.
From the `docker/` subdirectory of the synapse repository:
```
CONFIG_PATH=/my/magical/config/path/
POSTGRES_PASSWORD=MyVerySecretPassword \
docker-compose \
-p synapse \
up -d
```
### Docker
Note that the following is just a guideline and you may need to add parameters to the docker run command to account for the network situation with your postgres database.
```
docker run \
-d \
--name synapse \
-v ${CONFIG_PATH}:/synapse/config/ \
matrixdotorg/synapse:v0.22.1
```

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# Copyright 2017 Vector Creations Ltd
#
# 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.
version: '3'
services:
postgres:
image: postgres:9.6.5-alpine
environment:
POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
POSTGRES_DB: synapse
expose:
- 5432
restart: unless-stopped
volumes:
- postgres-data:/var/lib/postgresql/data/
synapse:
image: matrixdotorg/synapse:v0.22.1
ports:
- 8008:8008
- 8448:8448
restart: unless-stopped
volumes:
- ${CONFIG_PATH}:/synapse/config/
volumes:
postgres-data:

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contrib/docker/rob/rootfs/etc/service/synapse/finish Executable file
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#!/bin/bash
#
# Copyright 2017 Vector Creations Ltd
#
# 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.
kill -TERM 1

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#!/bin/bash
#
# Copyright 2017 Vector Creations Ltd
#
# 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.
set -e
: ${CONFIG_PATH:="/synapse/config"}
: ${POSTGRES_DATABASE:="synapse"}
: ${POSTGRES_HOST:="postgres"}
: ${POSTGRES_USER:="postgres"}
: ${REPORT_STATS:="yes"}
: ${SERVER_NAME:="localhost"}
DATABASE_CONFIG_PATH="${CONFIG_PATH}/database.yaml"
HOMESERVER_CONFIG_PATH="${CONFIG_PATH}/homeserver.yaml"
SYNAPSE_COMMAND="python -m synapse.app.homeserver"
. /synapse/bin/activate
cd /synapse
if [[ -n "${GENERATE_CONFIG}" ]]; then
${SYNAPSE_COMMAND} \
--server-name ${SERVER_NAME} \
--config-path ${HOMESERVER_CONFIG_PATH} \
--generate-config \
--report-stats=${REPORT_STATS}
if [[ -f "${DATABASE_CONFIG_PATH}" ]]; then
echo "Config file '${DATABASE_CONFIG_PATH}' already exists. Remove it if you want it to be generated."
else
echo "Generating ${DATABASE_CONFIG_PATH}..."
if [[ -n "${POSTGRES_PASSWORD}" ]]; then
(cat > ${DATABASE_CONFIG_PATH}) <<EOF
database:
name: psycopg2
args:
host: ${POSTGRES_HOST}
user: ${POSTGRES_USER}
password: ${POSTGRES_PASSWORD}
database: ${POSTGRES_DATABASE}
cp_min: 5
cp_max: 10
EOF
else
(cat > ${DATABASE_CONFIG_PATH}) <<EOF
database:
name: "sqlite3"
args:
database: "/synapse/data/homeserver.db"
EOF
fi
cat ${DATABASE_CONFIG_PATH} | grep -v password
fi
exit 0
fi
COMMAND="${SYNAPSE_COMMAND} --config-path ${HOMESERVER_CONFIG_PATH}"
if [[ -r "${DATABASE_CONFIG_PATH}" ]]; then
COMMAND="${COMMAND} --config-path ${DATABASE_CONFIG_PATH}"
fi
exec ${COMMAND}