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climsoft-api

To run this project, do the following (assuming you have docker-compose installed)

$ git clone https://github.com/opencdms/climsoft-api.git
$ cd climsoft-api
$ docker-compose up -d --build

Configure climsoft-api

We can configure the API using different environment variables. Here is a list of them:

CLIMSOFT_SECRET_KEY
CLIMSOFT_DATABASE_URI
CLIMSOFT_FILE_STORAGE ["disk" or "s3"]
CLIMSOFT_S3_BUCKET
CLIMSOFT_AWS_REGION
CLIMSOFT_AWS_ACCESS_KEY_ID
CLIMSOFT_AWS_SECRET_ACCESS_KEY
CLIMSOFT_UPLOAD_DIR
CLIMSOFT_S3_SIGNED_URL_VALIDITY [in hours as integer]
CLIMSOFT_AUTH_ENABLED [true, false]

There is also an .env.example file. You can copy/rename this to .env and put correct values. This will automatically be loaded when you run docker-compose up -d --build

Serving images

When you upload an image via /v1/file-upload/image you get a response either like

{
  "status": "success",
  "message": "Image uploaded successfully!",
  "result": [
    {
      "uploaded_to": {
        "storage": "s3",
        "object_key": "ddd77aa358c946aea925fcaee40ae8d9.png"
      }
    }
  ]
}

or like

{
  "status": "success",
  "message": "Image uploaded successfully!",
  "result": [
    {
      "uploaded_to": {
        "storage": "disk",
        "filepath": "climsoft_uploads/ddd77aa358c946aea925fcaee40ae8d9.png"
      }
    }
  ]
}

To retrieve the images, if the storage is s3, you will get the image at

https://serveraddress/v1/s3/image/ddd77aa358c946aea925fcaee40ae8d9.png

if the storage is disk, you will get the image at

https://serveraddress/climsoft_uploads/ddd77aa358c946aea925fcaee40ae8d9.png

Multi Deployments

There is a deployment.yml file in the repository root that you can use to deploy multiple instance at once. This will run one independent instance for each deployment of Climsoft API on this root URL: http://domain.tld/{deployment_key}/climsoft. You can configure database uri and server name for each deployment.

Here is an example deployment.yml file for you:

empty-database:
  NAME: Climsoft Deployment With Empty DB
  DATABASE_URI: "mysql+mysqldb://root:password@mariadb/climsoft"
  S3_BUCKET: bucket-for-empty-db
  AWS_REGION: aws-region
  AWS_ACCESS_KEY_ID: ACCESS_KEY_ID
  AWS_SECRET_ACCESS_KEY: SECRET_ACCESS_KEY

test-database:
  NAME: Climsoft Deployment With Test Data
  DATABASE_URI: "mysql+mysqldb://root:password@mariadb/mariadb_climsoft_test_db_v4"
  S3_BUCKET: bucket-for-test-db
  AWS_REGION: aws-region
  AWS_ACCESS_KEY_ID: ACCESS_KEY_ID
  AWS_SECRET_ACCESS_KEY: SECRET_ACCESS_KEY

Selecting database

Whe you are on a server where multiple instances of climsoft were deployed, you need to choose a database when you authenticate. This choice is stored in your access token and used later for making queries.

Look at the following screenshot,

login form modal

When you are using multi-deployment, all the deployment keys will be listed as scopes. You can choose any of the scopes and that database will be used to authenticate you.

Keep in mind that,

  • if you choose multiple scopes, only the first one will be used
  • if you choose none, database uri configured by CLIMSOFT_DATABSE_URI will be used.

When you are using the swagger doc located in http(s)://domain.tld/docs#/default/authenticate_token_post (see the following screenshot),

login form

you have to put the scope yourself as, deployment_key:{key} (omit the curly braces), such that for the following config;

test:
  NAME: Climsoft Test
  DATABASE_URI: "mysql+mysqldb://root:password@mariadb/climsoft"

if you want to choose database uri for test deployment, you have to put deployment_key:test in scope (marked in screenshot)

Design Exceptions

Climsoft tables often has composite primary keys. In that case, we usually receive all the primary keys as path parameters and then use them to make distinction between rows. But there is some exceptions. Such as -

  • Physical Feature model has a column named description, but we are not using it in path parameters. Instead, we are raising an exception where other primary keys are same but description is different.

Deployment

The default deployment config of this repository contains two deployments. One with an empty database and another one with a seeded database with test data. If you do not want multi-deployment, delete deployment.yml from repository root. It will deploy an instance with an empty database.

When you run single instance, the URL to sawgger doc is: http(s)://domain.tld

When you run multi-deplyment, the URL to swagger doc is: http(s)://domain.tld/{deployment_key}

Steps to follow

There are some scripts in scripts directory that can help you to deploy this repository on a server.

$ cd scripts
$ chmod +x install-docker.sh
$ chmod +x install-docker-compose.sh
$ ./install-docker.sh
$ newgrp docker
$ ./install-docker-compose.sh
$ cd ..
$ cp deployment.yml.sample deployment.yml # and refactor according to your need
$ docker-compose -f docker-compose.reference.yml up -d --build

If you want to restore database and other volumes each hour,

$ cd scripts
$ chmod +x restore-db.sh 
$ crontab e
$ 0 0 * * * /path/to/this/repo/root/scripts/restore-db.sh /path/to/this/repo/root/docker-compose.reference.yml

Swagger docs

Go to http://localhost:5080 for swagger doc

A copy of autogenerated OpenAPI definition is available here

Swagger doc screenshot

swagger doc

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