Class: KnifeFlow::Increment

Inherits:
Chef::Knife
  • Object
show all
Defined in:
lib/chef/knife/increment.rb

Constant Summary collapse

WORKING_BRANCH = 
"develop"

Instance Method Summary collapse

Instance Method Details

#check_branch(name) ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 93

def check_branch(name)
  if (`git status` =~ /#{name}/) != nil
    return true
  else
    ui.error("USAGE: you must be in the #{name} branch")
    exit 1
  end
end

#commit_and_push_branch(branch, comment) ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 78

def commit_and_push_branch(branch, comment)
  print "--------------------------------- \n"
  system("git pull origin #{branch}") 
  system("git add .")
  system("git commit -am  '#{comment}'")
  system("git push origin #{branch}")
  print "--------------------------------- \n"
end

#find_version(name) ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 102

def find_version(name)
 loader = Chef::CookbookLoader.new(@cookbook_path)
 return loader[name].version
end

#increment_version(version) ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 107

def increment_version(version)
 current_version = version.split(".").map{|i| i.to_i}
 current_version[2] = current_version[2] + 1
 return current_version.join('.')
end

#parse_name_args! ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 69

def parse_name_args!
  if name_args.empty?
    ui.error("USAGE: knife increment COOKBOOK COOKBOOK COOKBOOK")
    exit 1
  else
    return name_args
  end
end

#pull_branch(name) ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 87

def pull_branch(name)
  print "--------------------------------- \n"
  system("git pull origin #{name}")
  print "--------------------------------- \n"
end

#replace_version(search_string, replace_string, file) ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 113

def replace_version(search_string, replace_string, file)
  open_file = File.open(file, "r")
  body_of_file = open_file.read
  open_file.close
  body_of_file.gsub!(search_string, replace_string)
  File.open(file, "w") { |file| file << body_of_file }
end

#run ⇒ Object 



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# File 'lib/chef/knife/increment.rb', line 32

def run
 
  @cookbooks = parse_name_args!

  self.config = Chef::Config.merge!(config)
  
  if !config[:cookbook_path]
    raise ArgumentError, "Default cookbook_path is not specified in the knife.rb config file, and a value to -o is not provided. Nowhere to write the new cookbook to." 
  end
  
  if check_branch(WORKING_BRANCH)

    pull_branch(WORKING_BRANCH) 

    @cookbook_path = Array(config[:cookbook_path]).first
 
    @cookbooks.each do | book |
      metadata_file = File.join(@cookbook_path, book, "metadata.rb")

      # 1) increase version on the metadata file
      replace_version(find_version(book), increment_version(find_version(book)), metadata_file )
    
    end
  
    # 2) upload cookbooks to chef server
    cookbook_up = Chef::Knife::CookbookUpload.new
    cookbook_up.name_args = @cookbooks 
    cookbook_up.config[:freeze] = true
    cookbook_up.run  
    
    # 3) commit and push WORKING_BRANCH
    commit_and_push_branch(WORKING_BRANCH, "#{@cookbooks} have been incremented")
  
  end

end