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node-triton

triton is a CLI tool for working with the CloudAPI for Joyent's Triton [Public Cloud] (https://docs.joyent.com/public-cloud) and [Private Cloud] (https://docs.joyent.com/private-cloud). CloudAPI is a RESTful API for end users of the cloud to manage their accounts, instances, networks, images, and to inquire other relevant details. CloudAPI provides a single view of docker containers, infrastructure containers and hardware virtual machines available in the Triton solution.

There is currently another CLI tool known as node-smartdc for CloudAPI. node-smartdc CLI works off the 32-character object UUID to uniquely identify object instances in API requests, and returns response payload in JSON format. The CLI covers both basic and advanced usage of CloudAPI.

As a lightweight programmable interface for CloudAPI, the triton CLI supports both name or UUID identification of object instances and the use of short ID, as well as the choice between concise tabular responses and full JSON responses.

The triton CLI is currently in beta and will be expanded over time to support all CloudAPI commands, eventually replacing node-smartdc as both the API client library for Triton cloud and the command line tool.

Setup

User accounts, authentication, and security

Before you can use the CLI you'll need an account on the cloud to which you are connecting and an SSH key uploaded. The SSH key is used to identify and secure SSH access to containers and other resources in Triton.

If you do not already have an account on Joyent Public Cloud, sign up here.

API endpoint

Each data center has a single CloudAPI endpoint. For Joyent Public Cloud, you can find the list of data centers here. For private cloud implementations, please consult the private cloud operator for the correct URL. Have the URL handy as you'll need it in the next step.

Installation

  1. Install node.js.
  2. npm install -g triton

Verify that it is installed and on your PATH:

$ triton --version
Triton CLI 1.0.0

Configure the proper environmental variables that correspond to the API endpoint and account, for example:

SDC_URL=https://us-east-3b.api.joyent.com
SDC_ACCOUNT=dave.eddy@joyent.com
SDC_KEY_ID=04:0c:22:25:c9:85:d8:e4:fa:27:0d:67:94:68:9e:e9

Bash completion

You can quickly source triton bash completions in your current shell with:

source <(triton completion)

For a more permanent installation:

triton completion >> ~/.bashrc

# Or maybe:
triton completion > /usr/local/etc/bash_completion.d/triton

triton CLI Usage

Create and view instances

$ triton instances
SHORTID  NAME  IMG  STATE  PRIMARYIP  AGO

We have no instances created yet, so let's create some. In order to create an instance we need to specify two things: an image and a package. An image represents what will be used as the root of the instances filesystem, and the package represents the size of the instance, eg. ram, disk size, cpu shares, etc. More information on images and packages below - for now we'll just use SmartOS 64bit and a small 128M ram package which is a combo available on the Joyent Public Cloud.

$ triton create-instance base-64 t4-standard-128M

Without a name specified, the container created will have a generated ID. Now to create a container-native Ubuntu 14.04 container with 2GB of ram with the name "server-1"

$ triton create-instance --name=server-1 ubuntu-14.04 t4-standard-2G

Now list your instances again

$ triton instances
SHORTID   NAME      IMG                     STATE         PRIMARYIP        AGO
7db6c907  b851ba9   base-64@15.2.0          running       165.225.169.63   9m
9cf1f427  server-1  ubuntu-14.04@20150819   provisioning  -                0s

Get a quick overview of your account

$ triton info
login: dave.eddy@joyent.com
name: Dave Eddy
email: dave.eddy@joyent.com
url: https://us-east-3b.api.joyent.com
totalDisk: 50.5 GiB
totalMemory: 2.0 MiB
instances: 2
    running: 1
    provisioning: 1

To obtain more detailed information of your instance

$ triton instance server-1
{
    "id": "9cf1f427-9a40-c188-ce87-fd0c4a5a2c2c",
    "name": "251d4fd",
    "type": "smartmachine",
    "state": "running",
    "image": "c8d68a9e-4682-11e5-9450-4f4fadd0936d",
    "ips": [
        "165.225.169.54",
        "192.168.128.16"
    ],
    "memory": 2048,
    "disk": 51200,
    "metadata": {
        "root_authorized_keys": "(...ssh keys...)"
    },
    "tags": {},
    "created": "2015-09-08T04:56:27.734Z",
    "updated": "2015-09-08T04:56:43.000Z",
    "networks": [
        "feb7b2c5-0063-42f0-a4e6-b812917397f7",
        "726379ac-358b-4fb4-bb7c-8bc4548bac1e"
    ],
    "dataset": "c8d68a9e-4682-11e5-9450-4f4fadd0936d",
    "primaryIp": "165.225.169.54",
    "firewall_enabled": false,
    "compute_node": "44454c4c-5400-1034-8053-b5c04f383432",
    "package": "t4-standard-2G"
}

SSH to an instance

Connect to an instance over SSH

$ triton ssh b851ba9
Last login: Wed Aug 26 17:59:35 2015 from 208.184.5.170
   __        .                   .
 _|  |_      | .-. .  . .-. :--. |-
|_    _|     ;|   ||  |(.-' |  | |
  |__|   `--'  `-' `;-| `-' '  ' `-'
                   /  ; Instance (base-64 15.2.0)
                   `-'  https://docs.joyent.com/images/smartos/base

[root@7db6c907-2693-42bc-ea9b-f38678f2554b ~]# uptime
 20:08pm  up   2:27,  0 users,  load average: 0.00, 0.00, 0.01
[root@7db6c907-2693-42bc-ea9b-f38678f2554b ~]# logout
Connection to 165.225.169.63 closed.

Or non-interactively

$ triton ssh b851ba9 uname -v
joyent_20150826T120743Z

Manage an instance

Commonly used container operations are supported in the Triton CLI. More operations will be added to the list over time.

$ triton help
...
instance-audit            List instance actions.
start-instance (start)    Start a single instance.
stop-instance (stop)      Stop a single instance.
reboot-instance (reboot)  Reboot a single instance.
delete-instance (delete)  Delete a single instance.
wait-instance (wait)      Wait on instances changing state.
...

View packages and images

Package definitions and images available vary between different data centers and different Triton cloud implementations.

To see all the packages offered in the data center and specific package information, use

$ triton packages
$ triton package ID|NAME

Similarly, to find out the available images and their details, do

$ triton images
$ triton image ID|NAME

Note that docker images are not shown in triton images as they are maintained in Docker Hub and other third-party registries configured to be used with Joyent's Triton clouds. In general, docker containers should be provisioned and managed with the regular docker CLI (Triton provides an endpoint that represents the entire datacenter as a single DOCKER_HOST. See the Triton Docker documentation for more information.)

TritonApi Module Usage

Node-triton can also be used as a node module for your own node.js tooling. A basic example:

var triton = require('triton');

// See `createClient` block comment for full usage details:
//      https://github.com/joyent/node-triton/blob/master/lib/index.js
var client = triton.createClient({
    profile: {
        url: URL,
        account: ACCOUNT,
        keyId: KEY_ID
    }
});
client.listImages(function (err, images) {
    client.close();   // Remember to close the client to close TCP conn.
    if (err) {
        console.error('listImages err:', err);
    } else {
        console.log(JSON.stringify(images, null, 4));
    }
});

Configuration

This section defines all the vars in a TritonApi config. The baked in defaults are in "etc/defaults.json" and can be overriden for the CLI in "~/.triton/config.json".

Name Description
profile The name of the triton profile to use. The default with the CLI is "env", i.e. take config from SDC_* envvars.
cacheDir The path (relative to the config dir, "~/.triton") where cache data is stored. The default is "cache", i.e. the triton CLI caches at "~/.triton/cache".

node-triton differences with node-smartdc

  • There is a single triton command instead of a number of sdc-* commands.
  • TRITON_* environment variables are preferred to the SDC_* environment variables. However the SDC_* envvars are still supported.

cloudapi2.js differences with node-smartdc/lib/cloudapi.js

The old node-smartdc module included an lib for talking directly to the SDC Cloud API (node-smartdc/lib/cloudapi.js). Part of this module (node-triton) is a re-write of the Cloud API lib with some backward incompatibilities. The differences and backward incompatibilities are discussed here.

  • Currently no caching options in cloudapi2.js (this should be re-added in some form). The noCache option to many of the cloudapi.js methods will not be re-added, it was a wart.
  • The leading account option to each cloudapi.js method has been dropped. It was redundant for the constructor account option.
  • "account" is now "user" in the CloudAPI constructor.
  • All (all? at least at the time of this writing) methods in cloudapi2.js have a signature of function (options, callback) instead of the sometimes haphazard extra arguments.

Development Hooks

Before commiting be sure to, at least:

make check      # lint and style checks
make test-unit  # run unit tests

A good way to do that is to install the stock pre-commit hook in your clone via:

make git-hooks

Also please run the full (longer) test suite (make test). See the next section.

Test suite

node-triton has both unit tests (make test-unit) and integration tests (make test-integration). Integration tests require a config file, by default at "test/config.json". For example:

$ cat test/config.json
{
    "profileName": "east3b",
    "allowWriteActions": true,
    "image": "minimal-64",
    "package": "t4-standard-128M"
}

See "test/config.json.sample" for a description of all config vars. Minimally just a "profileName" or "profile" is required.

Run all tests:

make test

You can use TRITON_TEST_CONFIG to override the test file, e.g.:

$ cat test/coal.json
{
    "profileName": "coal",
    "allowWriteActions": true
}
$ TRITON_TEST_CONFIG=test/coal.json make test

where "coal" here refers to a development Triton (a.k.a SDC) "Cloud On A Laptop" standup.

License

MPL 2.0