community.mongodb.mongodb_shell – Run commands via the MongoDB shell.

Note

This plugin is part of the community.mongodb collection (version 1.2.1).

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

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

Synopsis

• Run commands via the MongoDB shell.

• Commands provided with the eval parameter or included in a Javascript file.

• Attempts to parse returned data into a format that Ansible can use.

Requirements

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

• mongo

Parameters

Parameter	Choices/Defaults	Comments
additional_args raw		Additional arguments to supply to the mongo command. Supply as key-value pairs. If the parameter is a valueless flag supply an empty string as the value.
db string	Default: "test"	The database to run commands against
debug boolean	Choices: no ← yes	show additional debug info.
eval string		A MongoDB command to run.
file string		Path to a file containing MongoDB commands.
idempotent boolean	Choices: no ← yes	Provides a form of pseudo-idempotency to the module. We perform a hash calculation on the contents of the eval key or the file name provided in the file key. When the command is first execute a filed called <hash>.success will be created. The module will not rerun the command if this file exists and idempotent is set to true.
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.
mongo_cmd string	Default: "mongo"	The MongoDB shell command.
nodb boolean	Choices: no ← yes	Specify a non-default encoding for output.
norc boolean	Choices: no ← yes	Prevents the shell from sourcing and evaluating ~/.mongorc.js on start up.
quiet boolean	Choices: no yes ←	Silences output from the shell during the connection process..
split_char string	Default: " "	Used by the split action in the transform stage.
stringify boolean	Choices: no ← yes	Wraps the command in eval in JSON.stringify(<js cmd>). Useful for escaping documents that are returned in Extended JSON format.
transform string	Choices: auto ← split json raw	Transform the output returned to the user. auto - Attempt to automatically decide the best tranformation. split - Split output on a character. json - parse as json. raw - Return the raw output.

Examples

- name: Run the listDatabases command
  community.mongodb.mongodb_shell:
    login_user: user
    login_password: secret
    eval: "db.adminCommand('listDatabases')"

- name: List collections and stringify the output
  community.mongodb.mongodb_shell:
    login_user: user
    login_password: secret
    eval: "db.adminCommand('listCollections')"
    stringify: yes

- name: Run the showBuiltinRoles command
  community.mongodb.mongodb_shell:
    login_user: user
    login_password: secret
    eval: "db.getRoles({showBuiltinRoles: true})"

- name: Run a js file containing MongoDB commands with pseudo-idempotency
  community.mongodb.mongodb_shell:
    login_user: user
    login_password: secret
    file: "/path/to/mongo/file.js"
    idempotent: yes

- name: Provide a couple of additional cmd args
  community.mongodb.mongodb_shell:
    login_user: user
    login_password: secret
    eval: "db.adminCommand('listDatabases')"
    additional_args:
      verbose: True
      networkMessageCompressors: "snappy"

Return Values

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

Key	Returned	Description
changed boolean	always	Change status.
err string	when debug is set to true	Raw stderr from mongo.
failed boolean	on failure	Something went wrong.
file string	When a js file is used.	JS file that was executed successfully.
msg string	always	A message indicating what has happened.
out string	when debug is set to true	Raw stdout from mongo.
rc integer	when debug is set to true	Return code from mongo.
transformed_output list / elements=string	on success	Output from the mongo command. We attempt to parse this into a list or json where possible.

Authors

• Rhys Campbell (@rhysmeister)