community.mongodb.mongodb_index – Creates or drops indexes on MongoDB collections.

Note

This plugin is part of the community.mongodb collection (version 1.3.1).

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

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

New in version 1.0.0: of community.mongodb

Synopsis

  • Creates or drops indexes on MongoDB collections.

  • Supports multiple index options, i.e. unique, sparse and partial.

  • Validates existence of indexes by name only.

Requirements

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

  • pymongo

Parameters

Parameter Choices/Defaults Comments
auth_mechanism
string
    Choices:
  • SCRAM-SHA-256
  • SCRAM-SHA-1
  • MONGODB-X509
  • GSSAPI
  • PLAIN
Authentication type.
connection_options
list / elements=raw
Additional connection options.
Supply as a list of dicts or strings containing key value pairs seperated with '='.
indexes
list / elements=raw / required
List of indexes to create or drop
login_database
string
Default:
"admin"
The database where login credentials are stored.
login_host
string
Default:
"localhost"
The host running MongoDB instance to login to.
login_password
string
The password used to authenticate with.
Required when login_user is specified.
login_port
integer
Default:
27017
The MongoDB server port to login to.
login_user
string
The MongoDB user to login with.
Required when login_password is specified.
replica_set
string
Replica set to connect to (automatically connects to primary for writes).
ssl
boolean
    Choices:
  • no ←
  • yes
Whether to use an SSL connection when connecting to the database.
ssl_ca_certs
string
The ssl_ca_certs option takes a path to a CA file.
ssl_cert_reqs
string
    Choices:
  • CERT_NONE
  • CERT_OPTIONAL
  • CERT_REQUIRED ←
Specifies whether a certificate is required from the other side of the connection, and whether it will be validated if provided.
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.

Notes

Note

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

Examples

- name: Create a single index on a collection
  community.mongodb.mongodb_index:
    login_user: admin
    login_password: secret
    indexes:
      - database: mydb
        collection: test
        keys:
          - username: 1
            last_login: -1
        options:
          name: myindex
        state: present

- name: Drop an index on a collection
  community.mongodb.mongodb_index:
    login_user: admin
    login_password: secret
    indexes:
      - database: mydb
        collection: test
        options:
          name: myindex
        state: absent

- name: Create multiple indexes
  community.mongodb.mongodb_index:
    login_user: admin
    login_password: secret
    indexes:
      - database: mydb
        collection: test
        keys:
          - username: 1
            last_login: -1
        options:
          name: myindex
        state: present
      - database: mydb
        collection: test
        keys:
          - email: 1
            last_login: -1
        options:
          name: myindex2
        state: present

- name: Add a unique index
  community.mongodb.mongodb_index:
    login_port: 27017
    login_user: admin
    login_password: secret
    login_database: "admin"
    indexes:
      - database: "test"
        collection: "rhys"
        keys:
          username: 1
        options:
          name: myuniqueindex
          unique: true
        state: present

- name: Add a ttl index
  community.mongodb.mongodb_index:
    login_port: 27017
    login_user: admin
    login_password: secret
    login_database: "admin"
    indexes:
      - database: "test"
        collection: "rhys"
        keys:
          created: 1
        options:
          name: myttlindex
          expireAfterSeconds: 3600
        state: present

- name: Add a sparse index
  community.mongodb.mongodb_index:
    login_port: 27017
    login_user: admin
    login_password: secret
    login_database: "admin"
    indexes:
      - database: "test"
        collection: "rhys"
        keys:
          last_login: -1
        options:
          name: mysparseindex
          sparse: true
        state: present

- name: Add a partial index
  community.mongodb.mongodb_index:
    login_port: 27017
    login_user: admin
    login_password: secret
    login_database: "admin"
    indexes:
      - database: "test"
        collection: "rhys"
        keys:
          last_login: -1
        options:
          name: mypartialindex
          partialFilterExpression:
            rating:
              $gt: 5
        state: present

- name: Add a index in the background (background option is deprecated from 4.2+)
  community.mongodb.mongodb_index:
    login_port: 27017
    login_user: admin
    login_password: secret
    login_database: "admin"
    indexes:
      - database: "test"
        collection: "rhys"
        options:
          name: idxbackground
        keys:
          username: -1
        backgroud: true
        state: present

- name: Check creating 5 index all with multiple options specified
  community.mongodb.mongodb_index:
    login_port: 27017
    login_user: admin
    login_password: secret
    login_database: "admin"
    indexes:
      - database: "test"
        collection: "indextest"
        options:
          name: "idx_unq_username"
          unique: true
        keys:
          username: -1
        state: present
      - database: "test"
        collection: "indextest"
        options:
          name: "idx_last_login"
          sparse: true
        keys:
          last_login: -1
        state: present
      - database: "test"
        collection: "indextest"
        options:
          name: "myindex"
        keys:
          first_name: 1
          last_name: -1
          city: 1
        state: present
      - database: "test"
        collection: partialtest
        options:
          name: "idx_partialtest"
          partialFilterExpression:
            rating:
              $gt: 5
        keys:
          rating: -1
          title: 1
        state: present
      - database: "test"
        collection: "wideindex"
        options:
          name: "mywideindex"
        keys:
          email: -1
          username: 1
          first_name: 1
          last_name: 1
          dob: -1
          city: 1
          last_login: -1
          review_count: 1
          rating_count: 1
          last_post: -1
        state: present

Return Values

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

Key Returned Description
changed
boolean
When the module has changed something.
Indicates the module has changed something.

failed
boolean
When the module has encountered an error.
Indicates the module has failed.

indexes_created
list / elements=string
always
List of indexes created.

Sample:
['myindex', 'myindex2']
indexes_dropped
list / elements=string
always
List of indexes dropped.

Sample:
['myindex', 'myindex2']


Authors

  • Rhys Campbell (@rhysmeister)