Class: Chef::Knife::InstanceCreate

Inherits:
ZestKnife show all
Defined in:
lib/chef/knife/instance_create.rb

Constant Summary

Constants inherited from ZestKnife

ZestKnife::OPTS, ZestKnife::VALIDATORS

Instance Attribute Summary collapse

Attributes inherited from ZestKnife

#base_domain, #internal_domain

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ZestKnife

AWS_REGIONS, aws_for_region, #check_services, #domain, #domain_prefix, #environment_prefix, #errors, #errors?, #find_ec2, #find_item, #find_r53, #fqdn, #generate_hostname, in_all_aws_regions, #msg_pair, #random_hostname, #random_three_digit_number, #setup_config, #validate_color, #validate_domain, #validate_env, #validate_force_deploy, #validate_hostname, #validate_prod, #validate_region, validates, with_opts, with_validated_opts, #zone, #zone_from_name

Instance Attribute Details

#hostname ⇒ Object

Returns the value of attribute hostname.



21
22
23
 
# File 'lib/chef/knife/instance_create.rb', line 21

def hostname
  @hostname
end

Class Method Details

.new_with_defaults(environment, region, color, base_domain, opts) ⇒ Object 



147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
 
# File 'lib/chef/knife/instance_create.rb', line 147

def self.new_with_defaults environment, region, color, base_domain, opts
  new.tap do |ic|
    ic.config[:environment]               = environment
    ic.config[:cluster_tag]               = color
    ic.config[:region]                    = region
    ic.config[:base_domain]               = base_domain
    ic.config[:aws_ssh_key_id]            = opts[:aws_ssh_key_id]
    ic.config[:aws_access_key_id]         = opts[:aws_access_key_id]
    ic.config[:aws_secret_access_key]     = opts[:aws_secret_access_key]
    ic.config[:availability_zone]         = opts[:availability_zone]
    ic.config[:encrypted_data_bag_secret] = opts[:encrypted_data_bag_secret]
    ic.config[:wait_for_it]               = opts[:wait_for_it]
    ic.config[:image]                     = opts[:image]
    ic.config[:subnet_id]                 = opts[:subnet_id]
  end
end

Instance Method Details

#ami ⇒ Object 



197
198
199
 
# File 'lib/chef/knife/instance_create.rb', line 197

def ami
  @ami ||= ZestKnife.aws_for_region(@region).compute.images.get(image)
end

#availability_zone ⇒ Object 



193
194
195
 
# File 'lib/chef/knife/instance_create.rb', line 193

def availability_zone
  config[:availability_zone]
end

#create_server_def ⇒ Object 



164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
 
# File 'lib/chef/knife/instance_create.rb', line 164

def create_server_def
  server_def = {
      :image_id           => image,
      :groups             => config[:security_groups],
      :security_group_ids => config[:security_group_ids],
      :flavor_id          => config[:flavor],
      :key_name           => config[:aws_ssh_key_id],
      :availability_zone  => availability_zone,
      :subnet_id          => config[:subnet_id],
      :tags => {
          'Name'        => hostname,
          'environment' => @environment
      },
      :user_data                 => config[:without_user_data] ? "" : get_user_data,
      :iam_instance_profile_name => config[:iam_role]
  }
  server_def[:associate_public_ip] = true if vpc_mode?

  server_def
end

#get_user_data ⇒ Object 



216
217
218
219
220
221
222
223
224
225
226
 
# File 'lib/chef/knife/instance_create.rb', line 216

def get_user_data
  generator = Zest::BootstrapGenerator.new(Chef::Config[:validation_key], Chef::Config[:validation_client_name], Chef::Config[:chef_server_url], config[:encrypted_data_bag_secret],
    :environment => @environment,
    :run_list => config[:run_list],
    :hostname => hostname,
    :color => @color,
    :base_domain => @base_domain,
    :domain => domain
  )
  generator.generate
end

#image ⇒ Object 



189
190
191
 
# File 'lib/chef/knife/instance_create.rb', line 189

def image
  config[:image]
end

#run ⇒ Object 



83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
 
# File 'lib/chef/knife/instance_create.rb', line 83

def run
  $stdout.sync = true
  setup_config

  @environment = config[:environment]
  @base_domain = config[:base_domain]
  @hostname    = config[:hostname] || generate_hostname(@environment)
  @color       = config[:cluster_tag]
  @region      = config[:region]

  validate!

  get_user_data

  if config[:show_server_options]
    details = create_server_def
    ui.info(
        ui.color("Creating server with options\n", :bold) +
            ui.color(JSON.pretty_generate(details.reject { |k, v| k == :user_data }), :blue) +
            ui.color("\nWith user script\n", :bold) +
            ui.color(details[:user_data], :cyan)
    )
    exit 0
  end

  server = ZestKnife.aws_for_region(@region).compute.servers.create(create_server_def)

  msg_pair("Zest Hostname", fqdn(hostname))
  msg_pair("Environment", @environment)
  msg_pair("Run List", config[:run_list].join(', '))
  msg_pair("Instance ID", server.id)
  msg_pair("Flavor", server.flavor_id)
  msg_pair("Image", server.image_id)
  msg_pair("Region", @region)
  msg_pair("Availability Zone", server.availability_zone)
  msg_pair("Security Groups", server.groups.join(", "))
  msg_pair("SSH Key", server.key_name)

  return unless config[:wait_for_it]

  print "\n#{ui.color("Waiting for server", :magenta)}"

  # wait for it to be ready to do stuff
  server.wait_for { print "."; ready? }

  puts "\n"
  msg_pair("Public DNS Name", server.dns_name)
  msg_pair("Public IP Address", server.public_ip_address)
  msg_pair("Private DNS Name", server.private_dns_name)
  msg_pair("Private IP Address", server.private_ip_address)
  msg_pair("Instance ID", server.id)
  msg_pair("Flavor", server.flavor_id)
  msg_pair("Image", server.image_id)
  msg_pair("Region", @region)
  msg_pair("Availability Zone", server.availability_zone)
  msg_pair("Security Groups", server.groups.join(", "))
  msg_pair("SSH Key", server.key_name)
  msg_pair("Root Device Type", server.root_device_type)

  zone.records.create(:name => fqdn(hostname), :type => 'A', :value => server.private_ip_address, :ttl => 300)

  server
end

#validate! ⇒ Object 



201
202
203
204
205
206
207
208
209
210
211
212
213
214
 
# File 'lib/chef/knife/instance_create.rb', line 201

def validate!
  unless File.exists?(config[:encrypted_data_bag_secret])
    errors << "Could not find encrypted data bag secret. Tried #{config[:encrypted_data_bag_secret]}"
  end

  if ami.nil?
    errors << "You have not provided a valid image. Tried to find '#{image}'."
  end

  validate_hostname hostname

  super([:aws_access_key_id, :aws_secret_access_key,
         :flavor, :aws_ssh_key_id, :run_list])
end

#vpc_mode? ⇒ Boolean

Returns:

  • (Boolean) 


185
186
187
 
# File 'lib/chef/knife/instance_create.rb', line 185

def vpc_mode?
  config[:subnet_id]
end