10.2.13. Configuration¶

The CouchDB Server Configuration API provide an interface to query and update the various configuration values within a running CouchDB instance.

`/_config`¶

GET /_config¶

Returns the entire CouchDB server configuration as a JSON structure. The structure is organized by different configuration sections, with individual values.

Request Headers:
	Accept – application/json text/plain
Response Headers:
	Content-Type – application/json text/plain; charset=utf-8
Status Codes:	200 OK – Request completed successfully 401 Unauthorized – CouchDB Server Administrator privileges required

Request

GET /_config HTTP/1.1
Accept: application/json
Host: localhost:5984

Response:

HTTP/1.1 200 OK
Cache-Control: must-revalidate
Content-Length: 4148
Content-Type: application/json
Date: Sat, 10 Aug 2013 12:01:42 GMT
Server: CouchDB (Erlang/OTP)

{
  "attachments": {
      "compressible_types": "text/*, application/javascript, application/json,  application/xml",
      "compression_level": "8"
  },
  "couch_httpd_auth": {
      "auth_cache_size": "50",
      "authentication_db": "_users",
      "authentication_redirect": "/_utils/session.html",
      "require_valid_user": "false",
      "timeout": "600"
  },
  "couchdb": {
      "database_dir": "/var/lib/couchdb",
      "delayed_commits": "true",
      "max_attachment_chunk_size": "4294967296",
      "max_dbs_open": "100",
      "max_document_size": "4294967296",
      "os_process_timeout": "5000",
      "uri_file": "/var/lib/couchdb/couch.uri",
      "util_driver_dir": "/usr/lib64/couchdb/erlang/lib/couch-1.5.0/priv/lib",
      "view_index_dir": "/var/lib/couchdb"
  },
  "daemons": {
      "auth_cache": "{couch_auth_cache, start_link, []}",
      "db_update_notifier": "{couch_db_update_notifier_sup, start_link, []}",
      "external_manager": "{couch_external_manager, start_link, []}",
      "httpd": "{couch_httpd, start_link, []}",
      "query_servers": "{couch_query_servers, start_link, []}",
      "stats_aggregator": "{couch_stats_aggregator, start, []}",
      "stats_collector": "{couch_stats_collector, start, []}",
      "uuids": "{couch_uuids, start, []}",
      "view_manager": "{couch_view, start_link, []}"
  },
  "httpd": {
      "allow_jsonp": "false",
      "authentication_handlers": "{couch_httpd_oauth, oauth_authentication_handler}, {couch_httpd_auth, cookie_authentication_handler}, {couch_httpd_auth, default_authentication_handler}",
      "bind_address": "192.168.0.2",
      "default_handler": "{couch_httpd_db, handle_request}",
      "max_connections": "2048",
      "port": "5984",
      "secure_rewrites": "true",
      "vhost_global_handlers": "_utils, _uuids, _session, _oauth, _users"
  },
  "httpd_db_handlers": {
      "_changes": "{couch_httpd_db, handle_changes_req}",
      "_compact": "{couch_httpd_db, handle_compact_req}",
      "_design": "{couch_httpd_db, handle_design_req}",
      "_temp_view": "{couch_httpd_view, handle_temp_view_req}",
      "_view_cleanup": "{couch_httpd_db, handle_view_cleanup_req}"
  },
  "httpd_design_handlers": {
      "_info": "{couch_httpd_db,   handle_design_info_req}",
      "_list": "{couch_httpd_show, handle_view_list_req}",
      "_rewrite": "{couch_httpd_rewrite, handle_rewrite_req}",
      "_show": "{couch_httpd_show, handle_doc_show_req}",
      "_update": "{couch_httpd_show, handle_doc_update_req}",
      "_view": "{couch_httpd_view, handle_view_req}"
  },
  "httpd_global_handlers": {
      "/": "{couch_httpd_misc_handlers, handle_welcome_req, <<\"Welcome\">>}",
      "_active_tasks": "{couch_httpd_misc_handlers, handle_task_status_req}",
      "_all_dbs": "{couch_httpd_misc_handlers, handle_all_dbs_req}",
      "_config": "{couch_httpd_misc_handlers, handle_config_req}",
      "_log": "{couch_httpd_misc_handlers, handle_log_req}",
      "_oauth": "{couch_httpd_oauth, handle_oauth_req}",
      "_replicate": "{couch_httpd_misc_handlers, handle_replicate_req}",
      "_restart": "{couch_httpd_misc_handlers, handle_restart_req}",
      "_session": "{couch_httpd_auth, handle_session_req}",
      "_stats": "{couch_httpd_stats_handlers, handle_stats_req}",
      "_utils": "{couch_httpd_misc_handlers, handle_utils_dir_req, \"/usr/share/couchdb/www\"}",
      "_uuids": "{couch_httpd_misc_handlers, handle_uuids_req}",
      "favicon.ico": "{couch_httpd_misc_handlers, handle_favicon_req, \"/usr/share/couchdb/www\"}"
  },
  "log": {
      "file": "/var/log/couchdb/couch.log",
      "include_sasl": "true",
      "level": "info"
  },
  "query_server_config": {
      "reduce_limit": "true"
  },
  "query_servers": {
      "javascript": "/usr/bin/couchjs /usr/share/couchdb/server/main.js"
  },
  "replicator": {
      "max_http_pipeline_size": "10",
      "max_http_sessions": "10"
  },
  "stats": {
      "rate": "1000",
      "samples": "[0, 60, 300, 900]"
  },
  "uuids": {
      "algorithm": "utc_random"
  }
}

`/_config/section`¶

GET /_config/{section}¶

Gets the configuration structure for a single section.

Request Headers:
Parameters:	section – Configuration section name
	Accept – application/json text/plain
Response Headers:
	Content-Type – application/json text/plain; charset=utf-8
Status Codes:	200 OK – Request completed successfully 401 Unauthorized – CouchDB Server Administrator privileges required

Request:

GET /_config/httpd HTTP/1.1
Accept: application/json
Host: localhost:5984

Response:

HTTP/1.1 200 OK
Cache-Control: must-revalidate
Content-Length: 444
Content-Type: application/json
Date: Sat, 10 Aug 2013 12:10:40 GMT
Server: CouchDB (Erlang/OTP)

{
    "allow_jsonp": "false",
    "authentication_handlers": "{couch_httpd_oauth, oauth_authentication_handler}, {couch_httpd_auth, cookie_authentication_handler}, {couch_httpd_auth, default_authentication_handler}",
    "bind_address": "127.0.0.1",
    "default_handler": "{couch_httpd_db, handle_request}",
    "enable_cors": "false",
    "log_max_chunk_size": "1000000",
    "port": "5984",
    "secure_rewrites": "true",
    "vhost_global_handlers": "_utils, _uuids, _session, _oauth, _users"
}

`/_config/section/key`¶

GET /_config/{section}/{key}¶

Gets a single configuration value from within a specific configuration section.

Request Headers:
Parameters:	section – Configuration section name key – Configuration option name
	Accept – application/json text/plain
Response Headers:
	Content-Type – application/json text/plain; charset=utf-8
Status Codes:	200 OK – Request completed successfully 401 Unauthorized – CouchDB Server Administrator privileges required

Request:

GET /_config/log/level HTTP/1.1
Accept: application/json
Host: localhost:5984

Response:

HTTP/1.1 200 OK
Cache-Control: must-revalidate
Content-Length: 8
Content-Type: application/json
Date: Sat, 10 Aug 2013 12:12:59 GMT
Server: CouchDB (Erlang/OTP)

"debug"

Note

The returned value will be the JSON of the value, which may be a string or numeric value, or an array or object. Some client environments may not parse simple strings or numeric values as valid JSON.

PUT /_config/{section}/{key}¶

Updates a configuration value. The new value should be supplied in the request body in the corresponding JSON format. If you are setting a string value, you must supply a valid JSON string. In response CouchDB sends old value for target section key.

Request Headers:
Parameters:	section – Configuration section name key – Configuration option name
	Accept – application/json text/plain Content-Type – application/json
Response Headers:
	Content-Type – application/json text/plain; charset=utf-8
Status Codes:	200 OK – Request completed successfully 400 Bad Request – Invalid JSON request body 401 Unauthorized – CouchDB Server Administrator privileges required 500 Internal Server Error – Error setting configuration

Request:

PUT /_config/log/level HTTP/1.1
Accept: application/json
Content-Length: 7
Content-Type: application/json
Host: localhost:5984

"info"

Response:

HTTP/1.1 200 OK
Cache-Control: must-revalidate
Content-Length: 8
Content-Type: application/json
Date: Sat, 10 Aug 2013 12:12:59 GMT
Server: CouchDB (Erlang/OTP)

"debug"

DELETE /_config/{section}/{key}¶

Deletes a configuration value. The returned JSON will be the value of the configuration parameter before it was deleted.

Request Headers:
Parameters:	section – Configuration section name key – Configuration option name
	Accept – application/json text/plain
Response Headers:
	Content-Type – application/json text/plain; charset=utf-8
Status Codes:	200 OK – Request completed successfully 401 Unauthorized – CouchDB Server Administrator privileges required 404 Not Found – Specified configuration option not found

Request:

DELETE /_config/log/level HTTP/1.1
Accept: application/json
Host: localhost:5984

Response:

HTTP/1.1 200 OK
Cache-Control: must-revalidate
Content-Length: 7
Content-Type: application/json
Date: Sat, 10 Aug 2013 12:29:03 GMT
Server: CouchDB (Erlang/OTP)

"info"

10.2.13. Configuration¶

`/_config`¶

`/_config/section`¶

`/_config/section/key`¶

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