Running Kontena on DigitalOcean

Prerequisites

Installing Kontena DigitalOcean Plugin

$ kontena plugin install digitalocean

Installing Kontena Master

Kontena Master is an orchestrator component that manages Kontena Grids/Nodes. Kontena Master can be installed on DigitalOcean by issuing the following command:

$ kontena digitalocean master create \
  --token <do_api_token> \
  --ssh-key ~/.ssh/id_rsa.pub \
  --size 1gb \
  --region am2

After the Kontena Master has been provisioned you will be automatically authenticated as the Kontena Master internal administrator and the default Grid 'test' is set as the current Grid.

Installing Kontena Nodes

Before you can start provisioning Nodes you must first switch the CLI scope to a Grid. A Grid can be thought of as a cluster of Nodes that can have members from multiple clouds and/or regions.

Switch to an existing Grid using the following command:

$ kontena grid use <grid_name>

Or create a new Grid using the command:

$ kontena grid create --initial-size=<initial_size> do-grid

Now you can start provisioning nodes on DigitalOcean. Issue the following command (with the proper options) as many times as desired:

$ kontena digitalocean node create \
  --token <do_api_token> \
  --ssh-key ~/.ssh/id_rsa.pub \
  --size 1gb \
  --region am2

Note! While Kontena will work with just a single Kontena Node, it is recommended to have at least three Kontena Nodes provisioned in a Grid.

After creating Nodes, you can verify that they have joined a Grid:

$ kontena node list

DigitalOcean Plugin Command Reference

Create Master

Usage:
    kontena digitalocean master create [OPTIONS]

Options:
    --token TOKEN                 DigitalOcean API token
    --ssh-key SSH_KEY             Path to ssh public key (default: "~/.ssh/id_rsa.pub")
    --ssl-cert SSL CERT           SSL certificate file  (optional)
    --size SIZE                   Droplet size (default: "1gb")
    --region REGION               Region (default: "ams2")
    --vault-secret VAULT_SECRET   Secret key for Vault (optional)
    --vault-iv VAULT_IV           Initialization vector for Vault (optional)
    --mongodb-uri URI             External MongoDB uri (optional)
    --version VERSION             Define installed Kontena version (default: "latest")

Create Node

Usage:
    kontena digitalocean node create [OPTIONS] [NAME]

Parameters:
    [NAME]                        Node name

Options:
    --grid GRID                   Specify grid to use
    --token TOKEN                 DigitalOcean API token
    --ssh-key SSH_KEY             Path to ssh public key (default: "~/.ssh/id_rsa.pub")
    --size SIZE                   Droplet size (default: "1gb")
    --region REGION               Region (default: "ams2")
    --version VERSION             Define installed Kontena version (default: "latest")

Restart Node

Usage:
    kontena digitalocean node restart [OPTIONS] NAME

Parameters:
    NAME                          Node name

Options:
    --grid GRID                   Specify grid to use
    --token TOKEN                 DigitalOcean API token

Terminate Node

Usage:
    kontena digitalocean node terminate [OPTIONS] NAME

Parameters:
    NAME                          Node name

Options:
    --grid GRID                   Specify grid to use
    --token TOKEN                 DigitalOcean API token

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