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@contiamo/dev

Dev enviromnent for contiamo

  • 0.4.0-6-gdd5dcc4
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Contiamo Local Dev Environment

Get the dev environment fast!

Quick overview

Get started:

  • make docker-auth
  • make pull

Get the latest versions:

  • git pull
  • make pull

Start everything in normal mode:

  • make start

Stop everything:

  • make stop

Stop everything and clean up:

  • make clean

Prepare for Pantheon-external mode (only do this once):

  • make build
  • sudo bash -c 'echo "127.0.0.1 metadb" >> /etc/hosts'

Start everything in Pantheon-external mode:

  • make pantheon-start
  • (In Pantheon directory) env METADB_URL="jdbc:postgresql://localhost:5433/pantheon?user=pantheon&password=test" DATASTORE_TYPE=external sbt run

Getting started

Prerequisites

Local development is supported via Docker Compose.

Before you start, you must install Docker and Docker-Compose.

Additionally, the development requires access to our private docker registry. To access this ask the Ops team for permissions. Once permissions have been granted you must install the gcloud CLI.

Once installed, run

make docker-auth pull

This will attempt to

  1. authenticate with Google,
  2. configure your Docker installation to use the new Google credentials, and
  3. pull the required Docker images.

Starting The Environment

Finally, to start the development environment, run

make start

Once the environment has started, you should see a message with a URL and credentials, like this

Dev ui:    http://localhost:9898/contiamo/profile
Email:     lemon@example.com
Password:  localdev

Stopping

You can always cleanly stop the environment using

make stop

Any data in the databases will be preserved between stop and start.

Cleaning up

If you need to reclaim space or want to restart your environment from scratch use

make clean

This will stop your current environment and remove any Docker volumes related to it. This includes any data and metadata in the databases.

As time goes on, Docker will download new images, but it does not automatically garbage collect old images. To do so, run docker system prune.

On Mac, all Docker filesystem data is stored in a single file of a fixed size, which is 16GB or 32GB by default. You can configure the size of this file by clicking on the Docker Desktop tray icon -> Preferences -> Disk -> move the slider.

Tips

  • Run make or make help to see all available commands.

  • You can also run these commands from a different directory, with e.g. make -C /path/to/dev start.

  • The commands in the Makefile are very useful, but there's some extra stuff available if you use docker-compose straight. For instance, get all logs with docker-compose logs --follow, or only datastore worker logs with docker-compose logs --follow ds-worker. Refer to docker-compose.yml for the definitions of the services.

  • To use docker-compose without cd'ing to this directory, use e.g. docker-compose -f /path/to/dev/docker-compose.yml logs --follow.

Custom Images

The Compose file supports overriding the Docker tag used for a service by setting several environment variables:

ServerEnvironment VariableDefault
datastoreDATASTORE_TAGdev
idpIDP_TAGdev
pantheonPANTHEON_TAGlatest
contiamo-uiCONTIAMOUI_TAGlatest

Options to Postgres

In environment variable POSTGRES_ARGS, you can pass extra arguments to the PostgreSQL daemon. By defaults, this is set to -c log_connections=on. To log modification statements in addition to connections, start the dev environment with

env POSTGRES_ARGS="-c log_connections=on -c log_statement=mod" make start

You can inspect these logs with docker-compose logs --follow metadb. The four acceptable values for log_statement are none, ddl, mod, and all. Further Postgres options can be found here: https://www.postgresql.org/docs/11/runtime-config.html .

Setting up Pantheon Local Development

Local Pantheon debug development is supported by port redirection. To set this up, you first need to run two extra steps.

  1. Run

    make build
    

    This builds the eu.gcr.io/dev-and-test-env/pantheon:redir Docker image, a "pseudo-Pantheon" that forwards everything to your local Pantheon on 127.0.0.1 port 4300. Do not push this image!

  2. Modify your /etc/hosts file to add

    127.0.0.1 metadb
    

    You can easily do this with sudo bash -c 'echo "127.0.0.1 metadb" >> /etc/hosts'.

    This ensures that Pantheon can correctly resolve the storage database service.

Running the Pantheon Local Development

Make sure you first set up the prerequisites, and also set up for Pantheon local development.

To start the Pantheon dev environment use

make pantheon-start

This will replace the Pantheon image with a simple port redirection image that will enable transparent redirect of

You can then start your local Pantheon debug build, e.g. from your IDE, and have it bind to those ports on localhost. To configure the meta-DB and enable data store from Pantheon, run SBT with

env METADB_URL="jdbc:postgresql://localhost:5433/pantheon?user=pantheon&password=test" DATASTORE_TYPE=external sbt

or set the same environment variables in IntelliJ. You can also use export METADB_URL="jdbc:postgresql://localhost:5433/pantheon?user=pantheon&password=test" DATASTORE_TYPE=external, to set the environment variables in the current terminal.


The docker-compose configuration will expose the following ports for use from local Pantheon:

  • Nginx web server at 127.0.0.1 port 9898 <-- Use this to access Data Hub including UI, IDP, Pantheon, Datastore.
  • PostgreSQL meta-DB at 127.0.0.1 port 5433, username pantheon, password test.
  • Datastore manager at 127.0.0.1 port 9191
  • Minio (for ingested files) at 127.0.0.1 port 9000

When accessing Pantheon via Nginx on port 9898, you need to prepend /pantheon to Pantheon URLs, for instance: http://localhost:9898/pantheon/api/v1/status . Nginx will strip off the /pantheon, authenticate the request with IDP, and forward the request to Pantheon as /api/v1/status.

Using the pantheon/test credentials for Postgres, you also have access to

  • the metadb database, for datastore,
  • collection databases corresponding to a managed DB,
  • collection databases corresponding to materializations for a project,
  • the simpleidp database.

Running a custom Pantheon in prod mode

You can also run Pantheon in prod mode locally, as follows.

  1. In sbt shell, run dist.
  2. From a console, run docker build -t eu.gcr.io/dev-and-test-env/pantheon:local . This will download dependencies if they are not cached yet, build a Docker image for Pantheon, and tag it local.
  3. Run env PANTHEON_TAG=local make start.

Now datastore and metadb will still be available on the usual ports, but Nginx will proxy to a prod-mode Pantheon which runs inside Docker. Pantheon will automatically be run with appropriate environment variables (https://github.com/contiamo/dev/blob/master/docker-compose.yml#L81).

Warning! Do not push this image to GCR. It may accidentally end up being deployed on dev.contiamo.io .

Profiler Server

The Profiler currently lives at http://localhost:8383.

Enjoy!

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Package last updated on 22 Oct 2019

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