uservice-dynconf

The service to control dynamic configs of the other userver-based services.

Service using postgres db version 10+

The service is ready to use. Web interface for configs administration would be added soon.

Run uservice-dynconf

# Clone the service
git clone [email protected]:userver-framework/uservice-dynconf.git
cd uservice-dynconf
git submodule update --init

# Create schemas and struct db for storage configs
psql -f ./postgresql/schemas/uservice_dynconf.sql

# Full db default value configs
psql -f ./postgresql/data/default_configs.sql

# Run build or install (optional Env PREFIX set install dir)
make install

# Run service
uservice-dynconf --config /etc/uservice-dynconf/config_vars.yaml

HowTo configure other userver-based microservices to use uservice-dynconf

In file static_configs.yaml of the microservice add the following lines to connect and retrieve configurations from the uservice-dynconf:

        dynamic-config-client:
            # uservice-dynconf address
            config-url: http://localhost:8083
            # service name to send to uservice-dynconf
            service-name: microservice-name
            http-retries: 5
            http-timeout: 20s
        dynamic-config-client-updater:
            config-settings: false
            fallback-path: dynamic_config_fallback.json
            full-update-interval: 1m
            load-only-my-values: true
            store-enabled: true
            update-interval: 5s

HTTP API

HTTP REST API of the uservice-dynconf is described in OpenAPI format in file

Makefile

Makefile contains useful targets for development:

• make build-debug - debug build of the service with all the assertions and sanitizers enabled
• make build-release - release build of the service with LTO
• make test-debug - does a make build-debug and runs all the tests on the result
• make test-release - does a make build-release and runs all the tests on the result
• make or make all - builds and runs all the tests in release and debug modes
• make format - autoformat all the C++ and Python sources
• make clean- - cleans the object files
• make dist-clean - clean all, including the CMake cached configurations
• make install - does a make build-release and runs install in directory set in environment PREFIX
• make install-debug - does a make build-debug and runs install in directory set in environment PREFIX
• make docker-COMMAND - run make COMMAND in docker environment
• make docker-build-debug - debug build of the service with all the assertions and sanitizers enabled in docker environment
• make docker-test-debug - does a make build-debug and runs all the tests on the result in docker environment
• make docker-start-service - does a make install and runs service in docker environment
• make docker-start-service-debug - does a make install-debug and runs service in docker environment
• make docker-clean-data - stop docker containers and clean database data

Edit Makefile.local to change the default configuration and build options.

License

Distributed under the Apache-2.0 License with the CLA.