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mf-chsdi3

Branch Status
master Build Status

Table of contents

Description

Next generation services https://api3.geo.admin.ch for https://map.geo.admin.ch In mid August 2022 the project has been migrated to python3, docker and eu-central-1.

Install

The required environment variables are set in .env.default. They can be adapted or you can use a copy of .env.default, e.g. .env.mine and use that instead.

Install the python virtual environment (still virtualenvat this point)

make setup

Build the Pylons settings files and run the local waitress server

summon -p ssm make serve

You may want to customize the variables. Copy the file .env.default as .ven.mine, change the variables you want and use them with

summon -p ssm make ENV_FILE=.env.mine serve

📖 You need some external ressource to run the service, see External ressources dependencies

External Ressources Dependencies

To run the service locally you need to have access to the following external ressources:

  • Postgresql database pg-geodata-replica.bgdi.ch
  • S3 bucket service-mf-chsdi3-grid-geojsons-dev-swisstopo (NOTE: this bucket is only required by some of the Identity endpoints)

Postgresql Port Forwarding

You can use the ssh port forwarding feature to have access to pg-geodata-replica.bgdi.ch by using the jump host:

ssh ssh0a.prod.bgdi.ch -L 5432:pg-geodata-replica.bgdi.ch:5432

Then set the DBHOST environment variable to localhost (you can do this in your own environment file e.g. .env.mine and run the make file as follow: summon -p ssm make ENV_FILE=.env.mine serve)

S3 Vector Bucket Access

To have access to the S3 bucket, you can either set your AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variable. ⚠️ When using those variables make sure that the command are not saved into history file !

Alternatively if you are using zsh you can use the aws plugin (see oh-my-zsh aws plugin) with the following command:

acp swisstopo-bgdi-dev

This command will automatically use your AWS profile swisstopo-bgdi-dev for any AWS connection services.

Docker

Docker build locally

make dockerbuild

Docker run locally

summon -p ssm make dockerrun

📖 You need some external ressource to run the service, see External ressources dependencies

Push the locally built docker image to ECR

First log in to the AWS ECR registry with:

make dockerlogin

afterwards you can push the locally built image to ECR with:

make dockerpush

Unit Testing

Prerequisites

  • PostgreSQL DB pg-geodata-replica.bgdi.ch must be reachable
  • Access to AWS services
    • Read access to S3 bucket service-mf-chsdi3-grid-geojsons-dev-swisstopo (can be disable with S3_TESTS=0)

See External Ressources Dependencies for more infos on those prerequisites.

Starting the tests

To run the tests enter

summon -p ssm make test

Or if you use your own environment file

summon -p ssm make ENV_FILE=.env.mine test

⚠️ If you don't have AWS Access you can disable the S3 tests as follow

summon -p ssm make S3_TESTS=0 test

Download WMS image legends

In order to download all images of a layer in the correct format and with the correct dimensions, simply use:

make legends BODID=ch.layername WMSHOST=wms.geo.admin.ch

Alternatively, you can also download a WMS legend for a specific scale.

make legends BODID=ch.layername WMSHOST=wms.geo.admin.ch WMSSCALELEGEND=1000

You will need the optipgn tool order to download the legends, use sudo apt install optipng to install it.

Python Code Styling

We are currently using the FLAKES 8 convention for Python code. You can find more information about our code styling here:

You can find additional information about autopep8 here:

To check the code styling:

make lint

To autocorrect most linting mistakes

make autolint

Varia

Lint a JSON file

export PATH=$(npm bin):$PATH
jsonlint-cli --pretty temp.json > chsdi/static/vectorStyles/ch.meteoschweiz.messwerte-foehn-10min.json