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111 lines
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Markdown
111 lines
5 KiB
Markdown
# Dendrite [](https://buildkite.com/matrix-dot-org/dendrite) [](https://matrix.to/#/#dendrite-dev:matrix.org) [](https://matrix.to/#/#dendrite:matrix.org)
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Dendrite is a second-generation Matrix homeserver written in Go. It is not recommended to use Dendrite as
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a production homeserver at this time as there is no stable release.
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Dendrite will start to receive versioned releases stable enough to run [once we enter beta](https://github.com/matrix-org/dendrite/milestone/8).
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# Quick start
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Requires Go 1.13+ and SQLite3 (Postgres is also supported):
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```bash
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$ git clone https://github.com/matrix-org/dendrite
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$ cd dendrite
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# generate self-signed certificate and an event signing key for federation
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$ go build ./cmd/generate-keys
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$ ./generate-keys --private-key matrix_key.pem --tls-cert server.crt --tls-key server.key
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# Copy and modify the config file:
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# you'll need to set a server name and paths to the keys at the very least, along with setting
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# up the database filenames
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$ cp dendrite-config.yaml dendrite.yaml
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# build and run the server
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$ go build ./cmd/dendrite-monolith-server
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$ ./dendrite-monolith-server --tls-cert server.crt --tls-key server.key --config dendrite.yaml
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```
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Then point your favourite Matrix client at `http://localhost:8008`. For full installation information, see
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[INSTALL.md](docs/INSTALL.md). For running in Docker, see [build/docker](build/docker).
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# Progress
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We use a script called Are We Synapse Yet which checks Sytest compliance rates. Sytest is a black-box homeserver
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test rig with around 900 tests. The script works out how many of these tests are passing on Dendrite and it
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updates with CI. As of August 2020 we're at around 52% CS API coverage and 65% Federation coverage, though check
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CI for the latest numbers. In practice, this means you can communicate locally and via federation with Synapse
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servers such as matrix.org reasonably well. There's a long list of features that are not implemented, notably:
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- Receipts
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- Push
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- Search and Context
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- User Directory
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- Presence
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- Guests
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We are prioritising features that will benefit single-user homeservers first (e.g Receipts, E2E) rather
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than features that massive deployments may be interested in (User Directory, OpenID, Guests, Admin APIs, AS API).
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This means Dendrite supports amongst others:
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- Core room functionality (creating rooms, invites, auth rules)
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- Federation in rooms v1-v6
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- Backfilling locally and via federation
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- Accounts, Profiles and Devices
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- Published room lists
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- Typing
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- Media APIs
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- Redaction
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- Tagging
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- E2E keys and device lists
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# Contributing
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We would be grateful for any help on issues marked as
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[Are We Synapse Yet](https://github.com/matrix-org/dendrite/labels/are-we-synapse-yet). These issues
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all have related Sytests which need to pass in order for the issue to be closed. Once you've written your
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code, you can quickly run Sytest to ensure that the test names are now passing.
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For example, if the test `Local device key changes get to remote servers` was marked as failing, find the
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test file (e.g via `grep` or via the
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[CI log output](https://buildkite.com/matrix-dot-org/dendrite/builds/2826#39cff5de-e032-4ad0-ad26-f819e6919c42)
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it's `tests/50federation/40devicelists.pl` ) then to run Sytest:
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```
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docker run --rm --name sytest
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-v "/Users/kegan/github/sytest:/sytest"
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-v "/Users/kegan/github/dendrite:/src"
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-v "/Users/kegan/logs:/logs"
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-v "/Users/kegan/go/:/gopath"
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-e "POSTGRES=1" -e "DENDRITE_TRACE_HTTP=1"
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matrixdotorg/sytest-dendrite:latest tests/50federation/40devicelists.pl
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```
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See [sytest.md](docs/sytest.md) for the full description of these flags.
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You can try running sytest outside of docker for faster runs, but the dependencies can be temperamental
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and we recommend using docker where possible.
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```
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cd sytest
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export PERL5LIB=$HOME/lib/perl5
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export PERL_MB_OPT=--install_base=$HOME
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export PERL_MM_OPT=INSTALL_BASE=$HOME
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./install-deps.pl
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./run-tests.pl -I Dendrite::Monolith -d $PATH_TO_DENDRITE_BINARIES
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```
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Sometimes Sytest is testing the wrong thing or is flakey, so it will need to be patched.
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Ask on `#dendrite-dev:matrix.org` if you think this is the case for you and we'll be happy to help.
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If you're new to the project, see [CONTRIBUTING.md](docs/CONTRIBUTING.md) to get up to speed then
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look for [Good First Issues](https://github.com/matrix-org/dendrite/labels/good%20first%20issue). If you're
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familiar with the project, look for [Help Wanted](https://github.com/matrix-org/dendrite/labels/help-wanted)
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issues.
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# Discussion
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For questions about Dendrite we have a dedicated room on Matrix
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[#dendrite:matrix.org](https://matrix.to/#/#dendrite:matrix.org). Development
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discussion should happen in
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[#dendrite-dev:matrix.org](https://matrix.to/#/#dendrite-dev:matrix.org).
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