Sekando Cloud APIs Node.js client

This is the official Node.js client library for Sekando Cloud Services APIs

Setup

Before getting started, you will need a Sekando Account and a project. You can sign up for free at https://sekando.com/register. Once you have an account and project, you can install the Node.js client from NPM: npm install sekando-cloud-client

Usage

For examples, see this repository

SekandoCloudClient

A SekandoCloudClient is initialized with your API key and project ID. Cluster Manager and other APIs will use this object's configuration to authenticate requests.

const SekandoCloudClient = require('sekando-cloud-client')
const client = new SekandoCloudClient({
  apiKey: SEKANDO_API_KEY, /* required */
  apiSecret: SEKANDO_API_SECRET, /* required */
  projectId: SEKANDO_PROJECT_ID, /* required */
  id: MACHINE_ID
})

apiKey, apiSecret, and projectId are required for making requests. id is used for making requests that are dependent on identifying each client. You should set this to a per-machine unique ID (such as /etc/machine-id found on most modern linux build) when using features such as Cluster Member update notifications.

ClusterManager

A ClusterManager can be created using a SekandoCloudClient instnace.

const client = new SekandoCloudClient({/*my config*/})
const clusterManager = client.clusterManager()

Functions

getClusterWith(id)

Returns a Cluster object with the given ID.

Example:

const cluster = testClusterManager.clusterWithId(myClusterId)
cluster.get()
  .then(_ => {
    // do something with cluster info
  })

Cluster

Functions

get()

Fetches cluster data. Returns promise. Resolves with modified and created dates. If the cluster does not exist, promise resolves with empty object

const cluster = testClusterManager.clusterWithId(myClusterId)
cluster.get()
  .then(_ => {
    console.log(new Date(cluster.created))
    console.log(new Date(cluster.modified))
  })

getMembers()

Fetches cluster members. Returns promise. Resolves with array of ClusterMember objects.

const cluster = testClusterManager.clusterWithId(myClusterId)
cluster.getMembers()
  .then(members => {
    members.forEach(member => {
      // do something
    })
  })

getMembers()

Fetches cluster members. Returns promise. Resolves with array of ClusterMember objects.

const cluster = testClusterManager.clusterWithId(myClusterId)
cluster.getMembers()
  .then(members => {
    members.forEach(member => {
      // do something
    })
  })

getMemberWithId(memberId)

Fetches member with given ID. Returns promise. Resolves with ClusterMember objects. If the member doesn't exist, prperties of member are unset.

const cluster = testClusterManager.clusterWithId(myClusterId)
cluster.getMemberWithId('test-member')
  .then(member => {
    // do something
  })

ClusterMember

A member of a cluster. Used to fetch/update member metadata. Emits change event when changes to the metadata are found using long polling to the API.

Properties

• id ID of member. Unique within cluster.
• modified Date last modified as milliseconds since epoch.
• created Date last modified as milliseconds since epoch.
• metadata The metadata uploaded to the Cluster Manager API.

Events

change

Emitted when updates are found. Automatically overwrites the metdata property

cluster.getMemberWithId('my-member')
  .then(member => {
    member.on('change', _ => {
      console.log('Member changed!', member.metadata)
    })
  })

Functions

setMetadata(metadata)

Updates cluster metadata. Returns promise.

cluster.getMemberWithId('my-member')
  .then(member => {
    member.setMetadata('all your base are belong to us')
  })