Class: Kontena::Cli::Vpn::CreateCommand
Instance Attribute Summary
#arguments, #exit_code, #result
Instance Method Summary
collapse
#wait_for_deploy_to_finish
included
Methods included from Common
#access_token=, #add_master, #any_key_to_continue, #any_key_to_continue_with_timeout, #api_url, #api_url=, #api_url_version, #ask, #clear_current_grid, #client, #cloud_auth?, #cloud_client, #config, #confirm, #confirm_command, #current_account, #current_grid, #current_grid=, #current_master, #current_master=, #current_master_index, #display_account_login_info, #display_login_info, #display_logo, #display_master_login_info, #error, #exit_with_error, #kontena_account, #logger, #pastel, #print, #prompt, #puts, #require_api_url, #require_current_account, #require_current_grid, #require_current_master, #require_token, #reset_client, #reset_cloud_client, #running_silent?, #running_verbose?, #settings, #settings_filename, #spinner, #sprint, #sputs, #use_refresh_token, #vfakespinner, #vputs, #vspinner, #warning, #yes?
banner, callback_matcher, #help_requested?, inherited, requires_current_account_token, requires_current_account_token?, requires_current_grid, requires_current_grid?, requires_current_master, requires_current_master?, requires_current_master_token, requires_current_master_token?, #run, #run_callbacks, #verify_current_account_token, #verify_current_grid, #verify_current_master, #verify_current_master_token
Instance Method Details
#execute ⇒ Object
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# File 'lib/kontena/cli/vpn/create_command.rb', line 12
def execute
require_api_url
token = require_token
preferred_node = node
name = 'vpn'
vpn = client(token).get("stacks/#{current_grid}/#{name}") rescue nil
exit_with_error('Vpn stack already exists') if vpn
node = find_node(token, preferred_node)
vpn_ip = node_vpn_ip(node)
data = {
name: name,
stack: 'kontena/vpn',
version: Kontena::Cli::VERSION,
registry: 'file://',
source: '---',
expose: 'server',
services: [
name: 'server',
stateful: true,
image: 'kontena/openvpn:ethwe',
ports: [
{
container_port: '1194',
node_port: '1194',
protocol: 'udp'
}
],
cap_add: ['NET_ADMIN'],
env: ["OVPN_SERVER_URL=udp://#{vpn_ip}:1194"],
affinity: ["node==#{node['name']}"]
]
}
client(token).post("grids/#{current_grid}/stacks", data)
deployment = client(token).post("stacks/#{current_grid}/#{name}/deploy", {})
spinner "Deploying #{pastel.cyan(name)} service " do
wait_for_deploy_to_finish(deployment)
end
spinner "Generating #{pastel.cyan(name)} keys (this will take a while) " do
wait_for_configuration_to_finish(token)
end
puts "#{name.colorize(:cyan)} service is now started (udp://#{vpn_ip}:1194)."
puts "use 'kontena vpn config' to fetch OpenVPN client config to your machine."
end
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#find_node(token, preferred_node = nil) ⇒ Object
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# File 'lib/kontena/cli/vpn/create_command.rb', line 73
def find_node(token, preferred_node = nil)
nodes = client(token).get("grids/#{current_grid}/nodes")
if preferred_node.nil?
node = nodes['nodes'].find{|n| n['connected'] && !n['public_ip'].to_s.empty?}
exit_with_error('Cannot find any online nodes with public ip. If you want to connect with private address, please use --node and/or --ip options.') if node.nil?
else
node = nodes['nodes'].find{|n| n['connected'] && n['name'] == preferred_node }
exit_with_error('Node not found') if node.nil?
end
node
end
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#node_vpn_ip(node) ⇒ String
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# File 'lib/kontena/cli/vpn/create_command.rb', line 88
def node_vpn_ip(node)
return ip unless ip.nil?
if node['labels'] && node['labels'].include?('provider=vagrant')
node['private_ip'].to_s
else
node['public_ip'].to_s.empty? ? node['private_ip'].to_s : node['public_ip'].to_s
end
end
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#wait_for_configuration_to_finish(token) ⇒ Object
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# File 'lib/kontena/cli/vpn/create_command.rb', line 60
def wait_for_configuration_to_finish(token)
finished = false
payload = {cmd: ['/usr/local/bin/ovpn_getclient', 'KONTENA_VPN_CLIENT']}
service = client(require_token).get("services/#{current_grid}/vpn/server/containers", payload)['containers'][0]
until finished
sleep 3
stdout, stderr = client(require_token).post("containers/#{service['id']}/exec", payload)
finished = true if stdout.join('').include?('BEGIN PRIVATE KEY'.freeze)
end
finished
end
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