Class: TerraspaceBundler::Exporter::Stacks::Rewrite

Inherits:
Base
  • Object
show all
Defined in:
lib/terraspace_bundler/exporter/stacks/rewrite.rb

Instance Method Summary collapse

Constructor Details

#initialize(stack) ⇒ Rewrite

Returns a new instance of Rewrite.



3
4
5
 
# File 'lib/terraspace_bundler/exporter/stacks/rewrite.rb', line 3

def initialize(stack)
  @stack = stack
end

Instance Method Details

#new_line(line) ⇒ Object 



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
 
# File 'lib/terraspace_bundler/exporter/stacks/rewrite.rb', line 30

def new_line(line)
  # marker comment so files dont get updated twice when purge is false
  terraspace_comment = "# updated by terraspace"
  return line unless line.include?("../")
  return line if line.include?(terraspace_comment)

  md = line.match(/^\s*source\s*=\s*"(.*)?"/)
  unless md
    logger.error "ERROR: unable to find the module source".color(:red)
    logger.error line
    exit 1
  end
  # Lots of cases covered by specs
  #
  #     ../..
  #     ../../
  #     ../../modules/iam-user
  #     ../../../modules/compute_instance
  #
  source_value = md[1] # IE: ""../../../modules/compute_instance"
  dirs = source_value.split('/')
  count = dirs.count('..')
  mod_dir = dirs[count..-1].join('/')
  full_dir = [@stack.mod.name, mod_dir].reject(&:empty?).join('/')
  %Q|  source = "../../modules/#{full_dir}" #{terraspace_comment}\n|
end

#new_lines(lines) ⇒ Object 



22
23
24
25
26
27
28
 
# File 'lib/terraspace_bundler/exporter/stacks/rewrite.rb', line 22

def new_lines(lines)
  lines.map do |line|
    # leading spaces or no space. but cannot have any other chars
    # can have space betweens source and =
    line =~ /^\s*source\s*=/ ? new_line(line) : line
  end
end

#replace(path) ⇒ Object 



15
16
17
18
19
20
 
# File 'lib/terraspace_bundler/exporter/stacks/rewrite.rb', line 15

def replace(path)
  lines = IO.readlines(path)
  new_lines = new_lines(lines)
  text = new_lines.join('')
  IO.write(path, text)
end

#run ⇒ Object 



7
8
9
10
11
12
13
 
# File 'lib/terraspace_bundler/exporter/stacks/rewrite.rb', line 7

def run
  expr = "#{@stack.dest}/*.tf"
  Dir.glob(expr).each do |path|
    next unless File.file?(path) # skip symlinks and dirs
    replace(path)
  end
end