Module: Lono::Template::Strategy::Common::Helpers

Included in:
Dsl::Builder::Helpers
Defined in:
lib/lono/template/strategy/common/helpers.rb

Instance Method Summary collapse

Instance Method Details

#extract_scripts(options = {}) ⇒ Object

Bash code that is meant to included in user-data



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/lono/template/strategy/common/helpers.rb', line 4

def extract_scripts(options={})
  settings = setting.data["extract_scripts"] || {}
  options = settings.merge(options)
  # defaults also here in case they are removed from settings
  to = options[:to] || "/opt"
  user = options[:as] || "ec2-user"

  if Dir.glob("#{Lono.config.scripts_path}/*").empty?
    puts "WARN: you are using the extract_scripts helper method but you do not have any app/scripts.".color(:yellow)
    calling_line = caller[0].split(':')[0..1].join(':')
    puts "Called from: #{calling_line}"
    return ""
  end

  <<~BASH_CODE
    # Generated from the lono extract_scripts helper.
    # Downloads scripts from s3, extract them, and setup.
    mkdir -p #{to}
    aws s3 cp #{scripts_s3_path} #{to}/
    (
      cd #{to}
      tar zxf #{to}/#{scripts_name}
      chown -R #{user}:#{user} #{to}/scripts
    )
  BASH_CODE
end

#scripts_name ⇒ Object 



31
32
33
 
# File 'lib/lono/template/strategy/common/helpers.rb', line 31

def scripts_name
  File.basename(scripts_s3_path)
end

#scripts_s3_path ⇒ Object 



35
36
37
38
 
# File 'lib/lono/template/strategy/common/helpers.rb', line 35

def scripts_s3_path
  upload = Lono::Script::Upload.new(@options)
  upload.s3_dest
end

#setting ⇒ Object 



40
41
42
 
# File 'lib/lono/template/strategy/common/helpers.rb', line 40

def setting
  @setting ||= Lono::Setting.new
end