142 lines
4.3 KiB
Markdown
142 lines
4.3 KiB
Markdown
# Development of OpenSlides 4
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## Requirements
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You need git, bash, docker, docker-compose, make and go installed.
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Go is needed to install https://github.com/FiloSottile/mkcert. The development setup uses HTTPS per default. OpenSlides does not work with HTTP anymore since features are required (like http2) that only works in a secure environment.
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## First time checkout
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Clone this repository:
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$ git clone git@github.com:OpenSlides/OpenSlides.git
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$ git checkout openslides4-dev
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TODO: use `--recurse-submodules`, when master is OS4
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After checking out the os4-branch you need to initialize all submodules and install a root-cert:
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$ git submodule update --init
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$ go get https://github.com/FiloSottile/mkcert
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$ sudo mkcert -install
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If you get an error, you might need to install `certutil`. For Debian: `sudo apt install libnss3-tools`.
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Finally, start the dev server:
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$ make run-dev
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## Running tests
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To run all tests of all services, execute `run-service-tests`. TODO: Systemtests in this repo.
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## Adding a new Service
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$ git submodule add <git@myrepo.git>
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Append `branch = master` to the new entry in the `.gitmodules` file. Verify,
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that it is there (the folder should have 160000 permissions: Submodule) with the
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current commit:
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$ git diff --cached
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Then, commit changes and create a pull request.
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## Work in submodules
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- Create your own fork at github.
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- Remove the upstream (main) repo as the origin in the submodule:
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$ cd <submodule>
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$ git remote remove origin
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- Add your fork and the main repo as origin and upstream
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$ git remote add origin <your fork>
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$ git remote add upstream <main repo>
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## Requirements for services
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### Environment variables
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These environment variables are available:
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- `<SERVICE>_HOST`: The host from a required service
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- `<SERVICE>_PORT`: The port from a required service
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Required services can be `MESSAGE_BUS`, `DATASTORE_WRITER`, `PERMISSION`, `AUTOUPDATE`,
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etc. For private services (e.g. a database dedicated to exactly one service),
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use the following syntax: `<SERVICE>_<PRIV_SERVICE>_<ATTRIBUTE>`, e.g. the
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Postgresql user for the datastore: `DATASTORE_POSTGRESQL_USER`.
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### Makefile
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A makefile must be provided at the root-level of the service. The currently
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required (phony) targets are:
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- `run-tests`: Execute all tests from the submodule
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- `build-dev`: Build an image with the tag `openslides-<service>-dev`
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### Build arguments in the Dockerfile
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These build arguments should be supported by every service:
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- `REPOSITORY_URL`: The git-url for the repository to use
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- `GIT_CHECKOUT`: A branch/tag/commit to check out during the build
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Note that meaningful defaults should be provided in the Dockerfile.
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## Developing on a single service
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Go to the serivce and create a new branch (from master):
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$ cd my-service
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$ git status # -> on master?
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$ git checkout -b my-feature
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Run OpenSlides in development mode (e.g. in a new terminal):
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$ make run-dev
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After making some changes in my-service, create a commit and push to your fork
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$ git add -A
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$ git commit -m "A meaningful commit message here"
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$ git push origin my-feature
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As the last step, you can create a PR on Github. After merging, these steps are
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required to be executed in the main repo:
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$ cd my-service
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$ git pull upstream master
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$ cd ..
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$ git diff # -> commit hash changed for my-service
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If the update commit should be a PR:
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$ git checkout -b updated-my-service
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$ git commit -am "Updated my-service"
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$ git push origin updated-my-service
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Or a direct push on master:
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$ git commit -am "Updated my-service"
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$ git push origin master
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## Working with Submodules
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After working in many services with different branches, this command checks
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out `master` (or the given branch in the .gitmodules) in all submodules and
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pulls master from upstream (This requres to have `upstream`set up as a remote
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in all submodules):
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$ git submodule foreach -q --recursive 'git checkout $(git config -f $toplevel/.gitmodules submodule.$name.branch || echo master); git pull upstream $(git config -f $toplevel/.gitmodules submodule.$name.branch || echo master)'
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When changing the branch in the main repo (this one), the submodules do not
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automatically gets changed. THis ocmmand checks out all submodules to the given
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commits in the main repo:
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$ git submodule update
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