Redash

Module redash

This plugin extracts the following:

• Redash dashboards and queries/visualization
• Redash chart table lineages (disabled by default)

CLI based Ingestion

Install the Plugin

pip install 'acryl-datahub[redash]'

Starter Recipe

Check out the following recipe to get started with ingestion! See below for full configuration options.

For general pointers on writing and running a recipe, see our main recipe guide.

source:
  type: "redash"
  config:
    connect_uri: http://localhost:5000/
    api_key: REDASH_API_KEY

    # Optionals
    # api_page_limit: 1 #default: None, no limit on ingested dashboards and charts API pagination
    # skip_draft: true  #default: true, only ingest published dashboards and charts
    # dashboard_patterns:
    #   deny:
    #     - ^denied dashboard.*
    #   allow:
    #     - .*allowed dashboard.*
    # chart_patterns:
    #   deny:
    #     - ^denied chart.*
    #   allow:
    #     - .*allowed chart.*
    # parse_table_names_from_sql: false

Config Details

Options

Note that a . is used to denote nested fields in the YAML recipe.

View All Configuration Options

Field [Required]	Type	Description	Default	Notes
api_key	string	Redash user API key.	REDASH_API_KEY
api_page_limit	integer	Limit on number of pages queried for ingesting dashboards and charts API during pagination.	9223372036854775807
connect_uri	string	Redash base URL.	http://localhost:5000
page_size	integer	Limit on number of items to be queried at once.	25
parallelism	integer	Parallelism to use while processing.	1
parse_table_names_from_sql	boolean	See note below.	None
skip_draft	boolean	Only ingest published dashboards and charts.	True
sql_parser	string	custom SQL parser. See note below for details.	datahub.utilities.sql_parser.DefaultSQLParser
env	string	Environment to use in namespace when constructing URNs.	PROD
chart_patterns	AllowDenyPattern	regex patterns for charts to filter for ingestion.	{'allow': ['.*'], 'deny': [], 'ignoreCase': True}
chart_patterns.allow	array(string)		None
chart_patterns.deny	array(string)		None
chart_patterns.ignoreCase	boolean	Whether to ignore case sensitivity during pattern matching.	True
dashboard_patterns	AllowDenyPattern	regex patterns for dashboards to filter for ingestion.	{'allow': ['.*'], 'deny': [], 'ignoreCase': True}
dashboard_patterns.allow	array(string)		None
dashboard_patterns.deny	array(string)		None
dashboard_patterns.ignoreCase	boolean	Whether to ignore case sensitivity during pattern matching.	True

Schema

The JSONSchema for this configuration is inlined below.

{
  "title": "RedashConfig",
  "type": "object",
  "properties": {
    "connect_uri": {
      "title": "Connect Uri",
      "description": "Redash base URL.",
      "default": "http://localhost:5000",
      "type": "string"
    },
    "api_key": {
      "title": "Api Key",
      "description": "Redash user API key.",
      "default": "REDASH_API_KEY",
      "type": "string"
    },
    "dashboard_patterns": {
      "title": "Dashboard Patterns",
      "description": "regex patterns for dashboards to filter for ingestion.",
      "default": {
        "allow": [
          ".*"
        ],
        "deny": [],
        "ignoreCase": true
      },
      "allOf": [
        {
          "$ref": "#/definitions/AllowDenyPattern"
        }
      ]
    },
    "chart_patterns": {
      "title": "Chart Patterns",
      "description": "regex patterns for charts to filter for ingestion.",
      "default": {
        "allow": [
          ".*"
        ],
        "deny": [],
        "ignoreCase": true
      },
      "allOf": [
        {
          "$ref": "#/definitions/AllowDenyPattern"
        }
      ]
    },
    "skip_draft": {
      "title": "Skip Draft",
      "description": "Only ingest published dashboards and charts.",
      "default": true,
      "type": "boolean"
    },
    "page_size": {
      "title": "Page Size",
      "description": "Limit on number of items to be queried at once.",
      "default": 25,
      "type": "integer"
    },
    "api_page_limit": {
      "title": "Api Page Limit",
      "description": "Limit on number of pages queried for ingesting dashboards and charts API during pagination.",
      "default": 9223372036854775807,
      "type": "integer"
    },
    "parallelism": {
      "title": "Parallelism",
      "description": "Parallelism to use while processing.",
      "default": 1,
      "type": "integer"
    },
    "parse_table_names_from_sql": {
      "title": "Parse Table Names From Sql",
      "description": "See note below.",
      "default": false,
      "type": "boolean"
    },
    "sql_parser": {
      "title": "Sql Parser",
      "description": "custom SQL parser. See note below for details.",
      "default": "datahub.utilities.sql_parser.DefaultSQLParser",
      "type": "string"
    },
    "env": {
      "title": "Env",
      "description": "Environment to use in namespace when constructing URNs.",
      "default": "PROD",
      "type": "string"
    }
  },
  "additionalProperties": false,
  "definitions": {
    "AllowDenyPattern": {
      "title": "AllowDenyPattern",
      "description": "A class to store allow deny regexes",
      "type": "object",
      "properties": {
        "allow": {
          "title": "Allow",
          "description": "List of regex patterns to include in ingestion",
          "default": [
            ".*"
          ],
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "deny": {
          "title": "Deny",
          "description": "List of regex patterns to exclude from ingestion.",
          "default": [],
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "ignoreCase": {
          "title": "Ignorecase",
          "description": "Whether to ignore case sensitivity during pattern matching.",
          "default": true,
          "type": "boolean"
        }
      },
      "additionalProperties": false
    }
  }
}

Note! The integration can use an SQL parser to try to parse the tables the chart depends on. This parsing is disabled by default, but can be enabled by setting parse_table_names_from_sql: true. The default parser is based on the sqllineage package. As this package doesn't officially support all the SQL dialects that Redash supports, the result might not be correct. You can, however, implement a custom parser and take it into use by setting the sql_parser configuration value. A custom SQL parser must inherit from datahub.utilities.sql_parser.SQLParser and must be made available to Datahub by ,for example, installing it. The configuration then needs to be set to module_name.ClassName of the parser.

Code Coordinates

• Class Name: datahub.ingestion.source.redash.RedashSource
• Browse on GitHub

Questions

If you've got any questions on configuring ingestion for Redash, feel free to ping us on our Slack