CKAN Cloudstorage API

Extension to manage CKAN resources in any S3-like object storage.

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Documentation: https://envidat.gitlab-pages.wsl.ch/ckanext-cloudstorage_api/

Source Code: https://gitlabext.wsl.ch/EnviDat/ckanext-cloudstorage_api

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This plugin is primarily intended for custom frontends built on the CKAN API.

Supports any S3-like API, e.g. Minio, Ceph Object Gateway.

Full support for all Apache libcloud drivers was dropped, due to primarily relying on S3 multipart and pre-signed URL capabilities.

Install

pip install ckanext-cloudstorage-api

Config

Required variables are set in your ckan.ini:

• ckanext.cloudstorage_api.host
  • Type: str.
  • Description: The S3 host URL.
• ckanext.cloudstorage_api.region
  • Type: str.
  • Description: The S3 host region.
• ckanext.cloudstorage_api.access_key
  • Type: str.
  • Description: Access key for S3.
• ckanext.cloudstorage_api.secret_key
  • Type: str.
  • Description: Secret key for S3.
• ckanext.cloudstorage_api.bucket_name
  • Type: str.
  • Description: The name of the S3 bucket to store files.
• ckanext.cloudstorage_api.bucket_path
  • Type: str.
  • Description: (Optional) The path within the S3 to store files. Default: "/", i.e. bucket root.
• ckanext.cloudstorage_api.max_multipart_lifetime
  • Type: str.
  • Description: (Optional) maximum time a multipart part can exist. Multiparts will be cleaned if older than this by calling the cloudstorage_clean_multiparts endpoint.
• ckanext.cloudstorage_api.leave_files
  • Type: bool.
  • Description: (Optional) leave files on S3 after resource deletion.

Endpoints

Actions

{CKAN_HOST}/api/3/action/{ACTION_NAME}

• cloudstorage_initiate_multipart
• cloudstorage_get_presigned_url_download
• cloudstorage_get_presigned_url_multipart
• cloudstorage_get_presigned_url_list_multipart
• cloudstorage_multipart_list_parts
• cloudstorage_finish_multipart
• cloudstorage_abort_multipart
• cloudstorage_check_multipart
• cloudstorage_clean_multipart

Blueprints

• /download/<resource_id>
  • Description: redirect to download a resource directly.