Class: Central::Machine::Azure::MasterProvisioner

Inherits:
Object
  • Object
show all
Includes:
RandomName
Defined in:
lib/central/machine/azure/master_provisioner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from RandomName

#generate_name

Constructor Details

#initialize(subscription_id, certificate) ⇒ MasterProvisioner

Returns a new instance of MasterProvisioner.

Parameters:

  • subscription_id (String) —

    Azure subscription id

  • certificate (String) —

    Path to Azure management certificate



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# File 'lib/central/machine/azure/master_provisioner.rb', line 16

def initialize(subscription_id, certificate)
  abort('Invalid management certificate') unless File.exist?(File.expand_path(certificate))

  @client = ::Azure
  client.management_certificate = certificate
  client.subscription_id        = subscription_id
  client.vm_management.initialize_external_logger(Logger.new) # We don't want all the output
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/central/machine/azure/master_provisioner.rb', line 12

def client
  @client
end

#http_client ⇒ Object (readonly)

Returns the value of attribute http_client.



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# File 'lib/central/machine/azure/master_provisioner.rb', line 12

def http_client
  @http_client
end

Instance Method Details

#cloud_service(name) ⇒ Object 



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# File 'lib/central/machine/azure/master_provisioner.rb', line 109

def cloud_service(name)
  client.cloud_service_management.get_cloud_service(name)
end

#create_virtual_network(name, location) ⇒ Object 



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# File 'lib/central/machine/azure/master_provisioner.rb', line 117

def create_virtual_network(name, location)
  address_space = ['10.0.0.0/20']
  options = { subnet: [{ name: 'subnet-1', ip_address: '10.0.0.0', cidr: 23 }] }
  client.network_management.set_network_configuration(name, location, address_space, options)
end

#erb(template, vars) ⇒ Object 



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# File 'lib/central/machine/azure/master_provisioner.rb', line 90

def erb(template, vars)
  ERB.new(template).result(OpenStruct.new(vars).instance_eval { binding })
end

#generate_cloud_service_name ⇒ Object 



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# File 'lib/central/machine/azure/master_provisioner.rb', line 105

def generate_cloud_service_name
  "central-machine-#{generate_name}-#{rand(1..99)}"
end

#master_running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/central/machine/azure/master_provisioner.rb', line 99

def master_running?
  http_client.get(path: '/').status == 200
rescue
  false
end

#run!(opts) ⇒ Object 



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# File 'lib/central/machine/azure/master_provisioner.rb', line 25

def run!(opts)
  abort('Invalid ssh key') unless File.exist?(File.expand_path(opts[:ssh_key]))
  if opts[:ssl_cert]
    abort('Invalid ssl cert') unless File.exist?(File.expand_path(opts[:ssl_cert]))
    ssl_cert = File.read(File.expand_path(opts[:ssl_cert]))
  end
  cloud_service_name = generate_cloud_service_name
  vm_name = cloud_service_name
  master_url = ''
  ShellSpinner "Creating Azure Virtual Machine #{vm_name.colorize(:cyan)}" do
    if opts[:virtual_network].nil?
      location = opts[:location].downcase.tr(' ', '-')
      default_network_name = "central-#{location}"
      create_virtual_network(default_network_name, opts[:location]) unless virtual_network_exist?(default_network_name)
      opts[:virtual_network] = default_network_name
      opts[:subnet] = 'subnet-1'
    end

    userdata_vars = {
      ssl_cert: ssl_cert,
      auth_server: opts[:auth_server],
      version: opts[:version],
      vault_secret: opts[:vault_secret],
      vault_iv: opts[:vault_iv]
    }

    params = {
      vm_name: vm_name,
      vm_user: 'core',
      location: opts[:location],
      image: '2b171e93f07c4903bcad35bda10acf22__CoreOS-Stable-766.3.0',
      custom_data: Base64.encode64(user_data(userdata_vars)),
      ssh_key: opts[:ssh_key]
    }

    options = {
      cloud_service_name: cloud_service_name,
      deployment_name: vm_name,
      virtual_network_name: opts[:virtual_network],
      subnet_name: opts[:subnet],
      tcp_endpoints: '80,443',
      private_key_file: opts[:ssh_key],
      ssh_port: 22,
      vm_size: opts[:size]
    }

    virtual_machine = client.vm_management.create_virtual_machine(params, options)

    master_url = if opts[:ssl_cert]
                   "https://#{virtual_machine.ipaddress}"
                 else
                   "http://#{virtual_machine.ipaddress}"
    end
  end
  Excon.defaults[:ssl_verify_peer] = false
  @http_client = Excon.new(master_url.to_s, connect_timeout: 10)

  ShellSpinner "Waiting for #{vm_name.colorize(:cyan)} to start" do
    sleep 5 until master_running?
  end

  puts "Central Machine is now running at #{master_url}"
  puts "Use #{"cm login #{master_url}".colorize(:light_black)} to complete Central Machine setup"
end

#user_data(vars) ⇒ Object 



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# File 'lib/central/machine/azure/master_provisioner.rb', line 94

def user_data(vars)
  cloudinit_template = File.join(__dir__, '/cloudinit_master.yml')
  erb(File.read(cloudinit_template), vars)
end

#virtual_network_exist?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/central/machine/azure/master_provisioner.rb', line 113

def virtual_network_exist?(name)
  client.network_management.list_virtual_networks.find { |n| n.name == name }
end