Class: ChefApply::Action::GenerateTempCookbook::TempCookbook
- Inherits:
-
Object
- Object
- ChefApply::Action::GenerateTempCookbook::TempCookbook
show all
- Defined in:
- lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb
Overview
This class knows how to create a local cookbook in a temp file, populate it with various recipes, attributes, config, etc. and delete it when the cookbook is no longer necessary
Defined Under Namespace
Classes: UnsupportedExtension
Instance Attribute Summary collapse
Instance Method Summary
collapse
Constructor Details
Returns a new instance of TempCookbook.
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 31
def initialize
@path = Dir.mktmpdir("cw")
end
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Instance Attribute Details
#descriptor ⇒ Object
Returns the value of attribute descriptor.
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 30
def descriptor
@descriptor
end
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#from ⇒ Object
Returns the value of attribute from.
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 30
def from
@from
end
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#path ⇒ Object
Returns the value of attribute path.
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 30
def path
@path
end
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Instance Method Details
#cookbook_for_recipe(existing_recipe_path) ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 92
def cookbook_for_recipe(existing_recipe_path)
metadata = File.expand_path(File.join(existing_recipe_path, "../../metadata.rb"))
if File.file?(metadata)
require "chef/cookbook/metadata"
m = Chef::Cookbook::Metadata.new
m.from_file(metadata)
{
name: m.name,
recipe_name: File.basename(existing_recipe_path, File.extname(existing_recipe_path)),
path: File.expand_path(File.join(metadata, "../")),
}
else
nil
end
end
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#create_resource_definition(resource_type, resource_name, properties) ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 146
def create_resource_definition(resource_type, resource_name, properties)
r = "#{resource_type} '#{resource_name}'"
unless properties.empty?
r += " do\n"
properties.each do |k, v|
v = "'#{v}'" if v.is_a? String
r += " #{k} #{v}\n"
end
r += "end"
end
r += "\n"
r
end
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#delete ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 88
def delete
FileUtils.remove_entry path
end
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#export_path ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 165
def export_path
File.join(path, "export")
end
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#from_existing_recipe(existing_recipe_path) ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 35
def from_existing_recipe(existing_recipe_path)
ext_name = File.extname(existing_recipe_path)
raise UnsupportedExtension.new(ext_name) unless ext_name == ".rb" || ext_name == ".yml"
cb = cookbook_for_recipe(existing_recipe_path)
if cb
ChefApply::Log.debug("Found full cookbook at path '#{cb[:path]}' and using recipe '#{cb[:recipe_name]}'")
@descriptor = "#{cb[:name]}::#{cb[:recipe_name]}"
@from = "#{cb[:path]}"
recipe_name = cb[:recipe_name]
cb_name = cb[:name]
FileUtils.cp_r(cb[:path], path)
@path = File.join(path, File.basename(cb[:path]))
else
ChefApply::Log.debug("Found single recipe at path '#{existing_recipe_path}'")
recipe = File.basename(existing_recipe_path)
recipe_name = File.basename(recipe, ext_name)
cb_name = "cw_recipe"
@descriptor = "#{recipe_name}"
@from = existing_recipe_path
recipes_dir = generate_recipes_dir
FileUtils.cp(existing_recipe_path, File.join(recipes_dir, recipe))
generate_metadata(cb_name)
end
generate_policyfile(cb_name, recipe_name)
end
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#from_resource(resource_type, resource_name, properties) ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 70
def from_resource(resource_type, resource_name, properties)
@descriptor = "#{resource_type}[#{resource_name}]"
@from = "resource"
ChefApply::Log.debug("Generating cookbook for single resource '#{resource_type}[#{resource_name}]'")
name = "cw_#{resource_type}"
recipe_name = "default"
recipes_dir = generate_recipes_dir
File.open(File.join(recipes_dir, "#{recipe_name}.rb"), "w+") do |f|
f.print(create_resource_definition(resource_type, resource_name, properties))
end
generate_metadata(name)
generate_policyfile(name, recipe_name)
end
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 114
def generate_metadata(name)
metadata_file = File.join(path, "metadata.rb")
File.open(metadata_file, "w+") do |f|
f.print("name \"#{name}\"\n")
end
metadata_file
end
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#generate_policyfile(name, recipe_name) ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 122
def generate_policyfile(name, recipe_name)
policy_file = File.join(path, "Policyfile.rb")
if File.exist?(policy_file)
File.open(policy_file, "a") do |f|
f.print("\n# Overriding run_list with command line specified value\n")
f.print("run_list \"#{name}::#{recipe_name}\"\n")
end
else
File.open(policy_file, "w+") do |f|
f.print("name \"#{name}_policy\"\n")
ChefApply::Config.chef.cookbook_repo_paths.each do |p|
f.print("default_source :chef_repo, \"#{p}\"\n")
end
f.print("default_source :supermarket\n")
f.print("run_list \"#{name}::#{recipe_name}\"\n")
f.print("cookbook \"#{name}\", path: \".\"\n")
end
end
policy_file
end
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#generate_recipes_dir ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 108
def generate_recipes_dir
recipes_path = File.join(path, "recipes")
FileUtils.mkdir_p(recipes_path)
recipes_path
end
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#policyfile_lock_path ⇒ Object
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# File 'lib/chef_apply/action/generate_temp_cookbook/temp_cookbook.rb', line 161
def policyfile_lock_path
File.join(path, "Policyfile.lock.json")
end
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