community.mongodb.mongodb_shard – Add or remove shards from a MongoDB Cluster

Note

This plugin is part of the community.mongodb collection (version 1.3.2).

You might already have this collection installed if you are using the ansible package. It is not included in ansible-core. To check whether it is installed, run ansible-galaxy collection list.

To install it, use: ansible-galaxy collection install community.mongodb.

To use it in a playbook, specify: community.mongodb.mongodb_shard.

New in version 1.0.0: of community.mongodb

Synopsis

  • Add or remove shards from a MongoDB Cluster.

Requirements

The below requirements are needed on the host that executes this module.

  • pymongo

Parameters

Parameter

Comments

auth_mechanism

string

Authentication type.

Choices:

  • SCRAM-SHA-256

  • SCRAM-SHA-1

  • MONGODB-X509

  • GSSAPI

  • PLAIN

connection_options

list / elements=raw

Additional connection options.

Supply as a list of dicts or strings containing key value pairs seperated with ‘=’.

login_database

string

The database where login credentials are stored.

Default: “admin”

login_host

string

The host running MongoDB instance to login to.

Default: “localhost”

login_password

string

The password used to authenticate with.

Required when login_user is specified.

login_port

integer

The MongoDB server port to login to.

Default: 27017

login_user

string

The MongoDB user to login with.

Required when login_password is specified.

mongos_process

string

Provide a custom name for the mongos process you are connecting to.

Most users can ignore this setting.

Default: “mongos”

shard

string / required

The shard connection string.

Should be supplied in the form <replicaset>/host:port as detailed in https://docs.mongodb.com/manual/tutorial/add-shards-to-shard-cluster/.

For example rs0/example1.mongodb.com:27017.

sharded_databases

raw

Enable sharding on the listed database.

Can be supplied as a string or a list of strings.

Sharding cannot be disabled on a database.

ssl

boolean

Whether to use an SSL connection when connecting to the database.

Choices:

  • no ← (default)

  • yes

ssl_ca_certs

string

The ssl_ca_certs option takes a path to a CA file.

ssl_cert_reqs

string

Specifies whether a certificate is required from the other side of the connection, and whether it will be validated if provided.

Choices:

  • CERT_NONE

  • CERT_OPTIONAL

  • CERT_REQUIRED ← (default)

ssl_certfile

string

Present a client certificate using the ssl_certfile option.

ssl_crlfile

string

The ssl_crlfile option takes a path to a CRL file.

ssl_keyfile

string

Private key for the client certificate.

ssl_pem_passphrase

string

Passphrase to decrypt encrypted private keys.

state

string

Whether the shard should be present or absent from the Cluster.

Choices:

  • absent

  • present ← (default)

Notes

Note

  • Requires the pymongo Python package on the remote host, version 2.4.2+.

Examples

- name: Add a replicaset shard named rs1 with a member running on port 27018 on mongodb0.example.net
  community.mongodb.mongodb_shard:
    login_user: admin
    login_password: admin
    shard: "rs1/mongodb0.example.net:27018"
    state: present

- name: Add a standalone mongod shard running on port 27018 of mongodb0.example.net
  community.mongodb.mongodb_shard:
    login_user: admin
    login_password: admin
    shard: "mongodb0.example.net:27018"
    state: present

- name: To remove a shard called 'rs1'
  community.mongodb.mongodb_shard:
    login_user: admin
    login_password: admin
    shard: rs1
    state: absent

# Single node shard running on localhost
- name: Ensure shard rs0 exists
  community.mongodb.mongodb_shard:
    login_user: admin
    login_password: secret
    shard: "rs0/localhost:3001"
    state: present

# Single node shard running on localhost
- name: Ensure shard rs1 exists
  community.mongodb.mongodb_shard:
    login_user: admin
    login_password: secret
    shard: "rs1/localhost:3002"
    state: present

# Enable sharding on a few databases when creating the shard
- name: To remove a shard called 'rs1'
  community.mongodb.mongodb_shard:
    login_user: admin
    login_password: admin
    shard: rs1
    sharded_databases:
      - db1
      - db2
    state: present

Return Values

Common return values are documented here, the following are the fields unique to this module:

Key

Description

mongodb_shard

string

The name of the shard to create.

Returned: success

sharded_enabled

list / elements=string

Databases that have had sharding enabled during module execution.

Returned: success when sharding is enabled

Authors

  • Rhys Campbell (@rhysmeister)