Class: Kontena::Machine::Azure::NodeProvisioner

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api_client, subscription_id, certificate) ⇒ NodeProvisioner 



18
19
20
21
22
23
24
25
26
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 18

def initialize(api_client, subscription_id, certificate)
  @api_client = api_client
  abort('Invalid management certificate') unless File.exists?(File.expand_path(certificate))

  @client = ::Azure
  client.management_certificate = File.expand_path(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

#api_client ⇒ Object (readonly)

Returns the value of attribute api_client.



13
14
15
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 13

def api_client
  @api_client
end

#client ⇒ Object (readonly)

Returns the value of attribute client.



13
14
15
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 13

def client
  @client
end

Instance Method Details

#cloud_service(name) ⇒ Object 



108
109
110
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 108

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

#cloud_service_exist?(name) ⇒ Boolean 



104
105
106
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 104

def cloud_service_exist?(name)
  cloud_service(name)
end

#create_virtual_network(name, location) ⇒ Object 



116
117
118
119
120
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 116

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 



100
101
102
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 100

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

#generate_cloud_service_name(name, grid) ⇒ Object 



92
93
94
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 92

def generate_cloud_service_name(name, grid)
  "kontena-#{grid}-#{name}"
end

#generate_name ⇒ Object 



88
89
90
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 88

def generate_name
  "#{super}-#{rand(1..99)}"
end

#run!(opts) ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 28

def run!(opts)
  abort('Invalid ssh key') unless File.exists?(File.expand_path(opts[:ssh_key]))
  node = nil
  vm_name = opts[:name] || generate_name
  cloud_service_name = generate_cloud_service_name(vm_name, opts[:grid])

  ShellSpinner "Creating Azure Virtual Machine #{vm_name.colorize(:cyan)}" do
    if opts[:virtual_network].nil?
      location = opts[:location].downcase.gsub(' ', '-')
      default_network_name = "kontena-#{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 = {
      version: opts[:version],
      master_uri: opts[:master_uri],
      grid_token: opts[:grid_token],
    }

    params = {
      vm_name: vm_name,
      vm_user: 'core',
      location: opts[:location],
      image: '2b171e93f07c4903bcad35bda10acf22__CoreOS-Stable-1010.5.0',
      custom_data: Base64.encode64(user_data(userdata_vars)),
      ssh_key: File.expand_path(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',
      private_key_file: opts[:ssh_key],
      ssh_port: 22,
      vm_size: opts[:size],
    }


    client.vm_management.create_virtual_machine(params,options)
  end
  ShellSpinner "Waiting for node #{vm_name.colorize(:cyan)} join to grid #{opts[:grid].colorize(:cyan)} " do
    sleep 2 until node = vm_exists_in_grid?(opts[:grid], vm_name)
  end
  if node
    labels = [
      "region=#{cloud_service(cloud_service_name).location}",
      "az=#{cloud_service(cloud_service_name).location}"
    ]
    set_labels(node, labels)
  end
end

#set_labels(node, labels) ⇒ Object 



122
123
124
125
126
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 122

def set_labels(node, labels)
  data = {}
  data[:labels] = labels
  api_client.put("nodes/#{node['id']}", data, {}, {'Kontena-Grid-Token' => node['grid']['token']})
end

#user_data(vars) ⇒ Object 



83
84
85
86
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 83

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

#virtual_network_exist?(name) ⇒ Boolean 



112
113
114
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 112

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

#vm_exists_in_grid?(grid, name) ⇒ Boolean 



96
97
98
 
# File 'lib/kontena/machine/azure/node_provisioner.rb', line 96

def vm_exists_in_grid?(grid, name)
  api_client.get("grids/#{grid}/nodes")['nodes'].find{|n| n['name'] == name}
end