Class: Champu::Step

Inherits:
Object
  • Object
show all
Defined in:
lib/champu/step.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title) ⇒ Step

Returns a new instance of Step.



15
16
17
18
19
 
# File 'lib/champu/step.rb', line 15

def initialize(title)
  @title=title
  Chef::Config[:color]=true
  @config={}
end

Instance Attribute Details

#title ⇒ Object (readonly)

Returns the value of attribute title.



13
14
15
 
# File 'lib/champu/step.rb', line 13

def title
  @title
end

Instance Method Details

#config(opts = {}) ⇒ Object 



29
30
31
32
 
# File 'lib/champu/step.rb', line 29

def config(opts={})
  @config.merge!(opts) unless opts.empty?
  @config
end

#config_value(key) ⇒ Object 



34
35
36
 
# File 'lib/champu/step.rb', line 34

def config_value(key)
  @config.key?(key) ? @config[key] : Champu::Config[key]
end

#execute(command) ⇒ Object 



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/champu/step.rb', line 44

def execute(command)
  Chef::Config[:knife][:ssh_attribute] = config_value :ssh_attribute
  Chef::Config[:knife][:ssh_user]= config_value :ssh_user
  ui.msg(ui.color("Executing command:",:magenta) + ui.color(command,:yellow))
  c=Chef::Knife::Ssh.new
  c.configure_attribute
  c.configure_user
  c.configure_identity_file
  c.config[:attribute]= config_value :ssh_attribute
  c.action_nodes(nodes)

  longest=0
  nodes.collect{|n|c.format_for_display(n)[c.config[:attribute]]}.each do |item|
    hostspec = "#{config_value(:ssh_user)}@#{item}"
    session_opts = {}
    session_opts[:keys] = config_value :identity_file
    session_opts[:keys_only] = true 
    session_opts[:logger] = Chef::Log.logger 
    session_opts[:paranoid] = false
    session_opts[:user_known_hosts_file] = "/dev/null"
    c.session.use(hostspec, session_opts)
    longest = item.length if item.length > longest
  end
  c.fix_longest(longest)
  c.ssh_command(command)
  c.session.close
end

#nodes ⇒ Object 



25
26
27
 
# File 'lib/champu/step.rb', line 25

def nodes
  @nodes
end

#search(term) ⇒ Object 



38
39
40
41
42
 
# File 'lib/champu/step.rb', line 38

def search(term)
  Chef::Config[:knife][:ssh_attribute] = config_value(:ssh_attribute)
  Chef::Config[:knife][:ssh_user]= config_value :ssh_user
  @nodes=Chef::Search::Query.new.search(:node,term).first
end

#ui ⇒ Object 



21
22
23
 
# File 'lib/champu/step.rb', line 21

def ui
  @ui ||= Chef::Knife::UI.new(STDOUT,STDERR,STDIN,Champu::Config)
end