Class: DevLXC::ChefCluster

Inherits:
Object
  • Object
show all
Defined in:
lib/dev-lxc/chef-cluster.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cluster_config) ⇒ ChefCluster

Returns a new instance of ChefCluster.



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/dev-lxc/chef-cluster.rb', line 7

def initialize(cluster_config)
  @cluster_config = cluster_config
  @api_fqdn = @cluster_config["api_fqdn"]
  @analytics_fqdn = @cluster_config["analytics_fqdn"]
  @topology = @cluster_config["topology"]
  @servers = @cluster_config["servers"]
  @frontends = Array.new
  @servers.each do |name, config|
    case @topology
    when 'open-source', 'standalone'
      @bootstrap_backend = name if config["role"].nil?
    when 'tier'
      @bootstrap_backend = name if config["role"] == "backend" && config["bootstrap"] == true
      @frontends << name if config["role"] == "frontend"
    end
    @analytics_server = name if config["role"] == "analytics"
  end
end

Instance Attribute Details

#bootstrap_backend ⇒ Object (readonly)

Returns the value of attribute bootstrap_backend.



5
6
7
 
# File 'lib/dev-lxc/chef-cluster.rb', line 5

def bootstrap_backend
  @bootstrap_backend
end

Instance Method Details

#chef_repo ⇒ Object 



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
 
# File 'lib/dev-lxc/chef-cluster.rb', line 38

def chef_repo
  if @topology == "open-source"
    puts "Unable to create a chef-repo for an Open Source Chef Server"
    exit 1
  end
  chef_server = ChefServer.new(@bootstrap_backend, @cluster_config)
  if ! chef_server.server.defined?
    puts "The '#{chef_server.server.name}' Chef Server does not exist. Please create it first."
    exit 1
  end
  puts "Creating chef-repo with pem files and knife.rb in the current directory"
  FileUtils.mkdir_p("./chef-repo/.chef")
  knife_rb = %Q(
current_dir = File.dirname(__FILE__)

chef_server_url "https://#{@api_fqdn}/organizations/ponyville"

node_name "rainbowdash"
client_key "\#{current_dir}/rainbowdash.pem"

validation_client_name "ponyville-validator"
validation_key "\#{current_dir}/ponyville-validator.pem"

cookbook_path Dir.pwd + "/cookbooks"
knife[:chef_repo_path] = Dir.pwd
)
  IO.write("./chef-repo/.chef/knife.rb", knife_rb)
  if Dir.glob("#{chef_server.abspath('/root/chef-repo/.chef')}/*.pem").empty?
    puts "The pem files can not be copied because they do not exist in '#{chef_server.server.name}' Chef Server's `/root/chef-repo/.chef` directory"
  else
    FileUtils.cp( Dir.glob("#{chef_server.abspath('/root/chef-repo/.chef')}/*.pem"), "./chef-repo/.chef" )
  end
end

#chef_server_config ⇒ Object 



72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
 
# File 'lib/dev-lxc/chef-cluster.rb', line 72

def chef_server_config
  chef_server_config = %Q(api_fqdn "#{@api_fqdn}"\n)
  if @topology == 'tier'
    chef_server_config += %Q(
topology "#{@topology}"

server "#{@bootstrap_backend}",
  :ipaddress => "#{@servers[@bootstrap_backend]["ipaddress"]}",
  :role => "backend",
  :bootstrap => true

backend_vip "#{@bootstrap_backend}",
  :ipaddress => "#{@servers[@bootstrap_backend]["ipaddress"]}"
)
    @frontends.each do |frontend_name|
      chef_server_config += %Q(
server "#{frontend_name}",
  :ipaddress => "#{@servers[frontend_name]["ipaddress"]}",
  :role => "frontend"
)
    end
  end
  return chef_server_config
end

#chef_servers ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/dev-lxc/chef-cluster.rb', line 26

def chef_servers
  chef_servers = Array.new
  chef_servers << ChefServer.new(@bootstrap_backend, @cluster_config)
  if @topology == "tier"
    @frontends.each do |frontend_name|
      chef_servers << ChefServer.new(frontend_name, @cluster_config)
    end
  end
  chef_servers << ChefServer.new(@analytics_server, @cluster_config) if @analytics_server
  chef_servers
end