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README.rst
ldappool
A simple connector pool for python-ldap.
The pool keeps LDAP connectors alive and let you reuse them, drastically reducing the time spent to initiate a ldap connection.
The pool has useful features like:
- transparent reconnection on failures or server restarts
- configurable pool size and connectors timeouts
- configurable max lifetime for connectors
- a context manager to simplify acquiring and releasing a connector
You need python-ldap in order to use this library
Quickstart
To work with the pool, you just need to create it, then use it as a context manager with the connection method:
from ldappool import ConnectionManager
cm = ConnectionManager('ldap://localhost')
with cm.connection('uid=adminuser,ou=logins,dc=mozilla', 'password') as conn:
.. do something with conn ..The connector returned by connection is a LDAPObject, that's binded to the server. See https://pypi.org/project/python-ldap/ for details on how to use a connector.
It is possible to check the state of the pool by representing the pool as a string:
from ldappool import ConnectionManager
cm = ConnectionManager('ldap://localhost', size=2)
.. do something with cm ..
print(cm)This will result in output similar to this table:
+--------------+-----------+----------+------------------+--------------------+------------------------------+
| Slot (2 max) | Connected | Active | URI | Lifetime (600 max) | Bind DN |
+--------------+-----------+----------+------------------+--------------------+------------------------------+
| 1 | connected | inactive | ldap://localhost | 0.00496101379395 | uid=tuser,dc=example,dc=test |
| 2 | connected | inactive | ldap://localhost | 0.00532603263855 | uid=tuser,dc=example,dc=test |
+--------------+-----------+----------+------------------+--------------------+------------------------------+ConnectionManager options
Here are the options you can use when instanciating the pool:
- uri: ldap server uri [mandatory]
- bind: default bind that will be used to bind a connector. default: None
- passwd: default password that will be used to bind a connector. default: None
- size: pool size. default: 10
- retry_max: number of attempts when a server is down. default: 3
- retry_delay: delay in seconds before a retry. default: .1
- use_tls: activate TLS when connecting. default: False
- timeout: connector timeout. default: -1
- use_pool: activates the pool. If False, will recreate a connector each time. default: True
The uri option will accept a comma or whitespace separated list of LDAP server URIs to allow for failover behavior when connection errors are encountered. Connections will be attempted against the servers in order, with retry_max attempts per URI before failing over to the next server.
The connection method takes two options:
- bind: bind used to connect. If None, uses the pool default's. default: None
- passwd: password used to connect. If None, uses the pool default's. default: None