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

Note

This module is part of the community.mongodb collection (version 1.4.0).

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_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

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 ‘=’.

indexes

list / elements=raw / required

List of indexes to create or drop

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.

replica_set

string

Replica set to connect to (automatically connects to primary for writes).

ssl

aliases: tls

boolean

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

Choices:

  • no ← (default)

  • yes

ssl_ca_certs

aliases: tlsCAFile

string

The ssl_ca_certs option takes a path to a CA file.

ssl_cert_reqs

aliases: tlsAllowInvalidCertificates

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

aliases: tlsCertificateKeyFile

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

aliases: tlsCertificateKeyFilePassword

string

Passphrase to decrypt encrypted private keys.

strict_compatibility

boolean

Enforce strict requirements for pymongo and MongoDB software versions

Choices:

  • no

  • yes ← (default)

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

Description

changed

boolean

Indicates the module has changed something.

Returned: When the module has changed something.

failed

boolean

Indicates the module has failed.

Returned: When the module has encountered an error.

indexes_created

list / elements=string

List of indexes created.

Returned: always

Sample: [“myindex”, “myindex2”]

indexes_dropped

list / elements=string

List of indexes dropped.

Returned: always

Sample: [“myindex”, “myindex2”]

Authors

  • Rhys Campbell (@rhysmeister)