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linode-cli

The Linode Command Line Interface

.. image:: https://raw.githubusercontent.com/linode/linode-cli/master/demo.gif

Installation

From pypi::

pip install linode-cli

From source::

git clone [email protected]:linode/linode-cli.git cd linode-cli make install

This will need to be repeated on each pull. For a build to succeed, see Building from Source_ below.

.. _Building from Source: #building-from-source

Upgrading

To upgrade to the latest version of the Linode CLI::

pip install linode-cli --upgrade

Usage

The Linode CLI is invoked with the linode-cli. The CLI accepts two primary arguments, command and action::

linode-cli

command is the part of the CLI you are interacting with, for example "linodes". You can see a list of all available commands by using --help::

linode-cli --help

action is the action you want to perform on a given command, for example "list". You can see a list of all available actions for a command with the --help for that command::

linode-cli linodes --help

Some actions don't require any parameters, but many do. To see details on how to invoke a specific action, use --help for that action::

linode-cli linodes create --help

The first time you invoke the CLI, you will be asked to configure (see "Configuration" below for details), and optionally select some default values for "region," "image," and "type." If you configure these defaults, you may omit them as parameters to actions and the default value will be used.

Common Operations ^^^^^^^^^^^^^^^^^

List Linodes::

linode-cli linodes list

List Linodes in a Region::

linode-cli linodes list --region us-east

Make a Linode::

linode-cli linodes create --type g5-standard-2 --region us-east --image linode/debian9 --label cli-1 --root_pass

Make a Linode using Default Settings::

linode-cli linodes create --label cli-2 --root_pass

Reboot a Linode::

linode-cli linodes reboot 12345

View available Linode types::

linode-cli linodes types

View your Volumes::

linode-cli volumes list

View your Domains::

linode-cli domains list

View records for a single Domain::

linode-cli domains records-list 12345

View your user::

linode-cli profile view

Configuration """""""""""""

The first time the CLI runs, it will prompt you to configure it. The CLI defaults to using web-based configuration, which is fast and convenient for users who have access to a browser.

To manually configure the CLI or reconfigure it if your token expires, you can run the configure command::

linode-cli configure

If you prefer to provide a token directly through the terminal, possibly because you don't have access to a browser where you're configuring the CLI, pass the --token flag to the configure command as shown::

linode-cli configure --token

When configuring multiple users using web-based configuration, you may need to log out of cloud.linode.com before configuring a second user.

Suppressing Defaults """"""""""""""""""""

If you configured default values for image, region, and Linode type, they will be sent for all requests that accept them if you do not specify a different value. If you want to send a request without these arguments, you must invoke the CLI with the --no-defaults option. For example, to create a Linode with no image after a default Image has been configured, you would do this::

linode-cli linodes create --region us-east --type g5-standard-2 --no-defaults

Suppressing Warnings """"""""""""""""""""

In some situations, like when the CLI is out of date, it will generate a warning in addition to its normal output. If these warnings can interfere with your scripts or you otherwise want them disabled, simply add the --suppress-warnings flag to prevent them from being emitted.

Shell Completion """"""""""""""""

To generate a completion file for a given shell type, use the completion command; for example to generate completions for bash run::

linode-cli completion bash

The output of this command is suitable to be included in the relevant completion files to enable command completion on your shell.

Environment Variables """""""""""""""""""""

If you prefer, you may store your token in an environment variable named LINODE_CLI_TOKEN instead of using the configuration file. Doing so allows you to bypass the initial configuration, and subsequent calls to linode-cli configure will allow you to set defaults without having to set a token. Be aware that if the environment variable should be unset, the Linode CLI will stop working until it is set again or the CLI is reconfigured with a token.

You may also use environment variables to store your Object Storage Keys for the obj plugin that ships with the CLI. To do so, simply set LINODE_CLI_OBJ_ACCESS_KEY and LINODE_CLI_OBJ_SECRET_KEY to the appropriate values. This allows using Linode Object Storage through the CLI without having a configuration file, which is desirable in some situations.

Multiple Users ^^^^^^^^^^^^^^

If you use the Linode CLI to manage multiple Linode accounts, you may configure additional users using the linode-cli configure command. The CLI will automatically detect that a new user is being configured based on the token given.

Displaying Configured Users """""""""""""""""""""""""""

To see what users are configured, simply run the following::

linode-cli show-users

The user who is currently active will be indicated by an asterisk.

Changing the Active User """"""""""""""""""""""""

You may change the active user for all requests as follows::

linode-cli set-user USERNAME

Subsequent CLI commands will be executed as that user by default.

Should you wish to execute a single request as a different user, you can supply the --as-user argument to specify the username you wish to act as for that command. This will not change the active user.

Removing Configured Users """""""""""""""""""""""""

To remove a user from you previously configured, run::

linode-cli remove-user USERNAME

Once a user is removed, they will need to be reconfigured if you wish to use the CLI for them again.

Customizing Output

Changing Output Fields ^^^^^^^^^^^^^^^^^^^^^^

By default, the CLI displays on some pre-selected fields for a given type of response. If you want to see everything, just ask::

linode-cli linodes list --all

Using --all will cause the CLI to display all returned columns of output. Note that this will probably be hard to read on normal-sized screens for most actions.

If you want even finer control over your output, you can request specific columns be displayed::

linode-cli linodes list --format 'id,region,status,disk,memory,vcpus,transfer'

This will show some identifying information about your Linode as well as the resources it has access to. Some of these fields would be hidden by default - that's ok. If you ask for a field, it'll be displayed.

Output Formatting ^^^^^^^^^^^^^^^^^

While the CLI by default outputs human-readable tables of data, you can use the CLI to generate output that is easier to process.

Machine Readable Output """""""""""""""""""""""

To get more machine-readable output, simply request it::

linode-cli linodes list --text

If a tab is a bad delimiter, you can configure that as well::

linode-cli linodes list --text --delimiter ';'

You may also disable header rows (in any output format)::

linode-cli linodes list --no-headers --text

JSON Output """""""""""

To get JSON output from the CLI, simple request it::

linode-cli linodes list --json --all

While the --all is optional, you probably want to see all output fields in your JSON output. If you want your JSON pretty-printed, we can do that too::

linode-cli linodes list --json --pretty --all

Plugins

The Linode CLI allows its features to be expanded with plugins. Some official plugins come bundled with the CLI and are documented above. Additionally, anyone can write and distribute plugins for the CLI - these are called Third Party Plugins.

To register a Third Party Plugin, use the following command::

linode-cli register-plugin PLUGIN_MODULE_NAME

Plugins should give the exact command required to register them.

Once registered, the command to invoke the Third Party Plugin will be printed, and it will appear in the plugin list when invoking linode-cli --help.

To remove a previously registered plugin, use the following command::

linode-cli remove-plugin PLUGIN_NAME

This command accepts the name used to invoke the plugin in the CLI as it appears in linode-cli --help, which may not be the same as the module name used to register it.

Developing Plugins ^^^^^^^^^^^^^^^^^^

For information on how To write your own Third Party Plugin, see the Plugins documentation_.

.. _Plugins documentation: https://github.com/linode/linode-cli/blob/master/linodecli/plugins/README.md

Building from Source

In order to successfully build the CLI, your system will require the following:

  • The make command
  • python and python3 (both versions are required to build a package)
  • pip and pip3 (to install requirements.txt for both python versions)

Before attempting a build, install python dependencies like this::

make requirements

Once everything is set up, you can initiate a build like so::

make build

If desired, you may pass in SPEC=/path/to/openapi-spec when running build or install. This can be a URL or a path to a local spec, and that spec will be used when generating the CLI. A yaml or json file is accepted.

To install the package as part of the build process, use this command::

make install PYTHON=3

When using install, the PYTHON argument is optional - if provided, it will install the CLI for that version of python. Valid values are 2 and 3, and it will default to 3.

Testing

WARNING! Running the CLI tests will remove all linodes and data associated with the account. It is only recommended to run these tests if you are an advanced user.

Installation ^^^^^^^^^^^^

The CLI uses the Bash Automated Testing System (BATS) for testing. To install run the following:

OSX users::

brew install bats-core

Installing Bats from source

Check out a copy of the Bats repository. Then, either add the Bats bin directory to your $PATH, or run the provided install.sh command with the location to the prefix in which you want to install Bats. For example, to install Bats into /usr/local::

git clone https://github.com/bats-core/bats-core.git cd bats-core ./install.sh /usr/local

Running the Tests ^^^^^^^^^^^^^^^^^

Running the tests is simple. The only requirements are that you have a .linode-cli in your user folder containing your test user token::

./test/test-runner.sh

Running Tests via Docker

The openapi spec must first be saved to the base of the linode-cli project:

curl -o ./openapi.yaml https://www.linode.com/docs/api/openapi.yaml

Run the following command to build the tests container:

docker build -f Dockerfile-bats -t linode-cli-tests .

Run the following command to run the test

docker run -e TOKEN_1=$INSERT_YOUR_TOKEN_HERE -e TOKEN_2=$INSERT_YOUR_TOKEN_HERE --rm linode-cli-tests

Contributing

This CLI is generated based on the OpenAPI specification for Linode's API. As such, many changes are made directly to the spec.

Specification Extensions ^^^^^^^^^^^^^^^^^^^^^^^^

In order to be more useful, the following Specification Extensions_ have been added to Linode's OpenAPI spec:

+---------------------+----------+-------------------------------------------------------------------------------------------+ |Attribute | Location | Purpose | +---------------------+----------+-------------------------------------------------------------------------------------------+ |x-linode-cli-action | method | The action name for operations under this path. If not present, operationId is used. | +---------------------+----------+-------------------------------------------------------------------------------------------+ |x-linode-cli-color   | property | If present, defines key-value pairs of property value: color. Colors must be understood | |                     |         | by colorclass.Color. Must include a default.                         | +---------------------+----------+-------------------------------------------------------------------------------------------+ |x-linode-cli-command | path | The command name for operations under this path. If not present, "default" is used. | +---------------------+----------+-------------------------------------------------------------------------------------------+ |x-linode-cli-display | property | If truthy, displays this as a column in output. If a number, determines the ordering | |                     | | (left to right). | +---------------------+----------+-------------------------------------------------------------------------------------------+ |x-linode-cli-format | property | Overrides the "format" given in this property for the CLI only. Valid values are file | | | | and json. | +---------------------+----------+-------------------------------------------------------------------------------------------+ |x-linode-cli-skip | path | If present and truthy, this method will not be available in the CLI. | +---------------------+----------+-------------------------------------------------------------------------------------------+

.. _Specification Extensions: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.1.md#specificationExtensions


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