Class: ChefDK::PolicyfileServices::Install
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods included from Helpers
#chefdk_home, #err, #msg, #omnibus_apps_dir, #omnibus_bin_dir, #omnibus_chefdk_location, #omnibus_embedded_bin_dir, #omnibus_install?, #omnibus_root, #stderr, #stdout, #system_command
#cache_path, #policyfile_expanded_path, #policyfile_filename, #policyfile_lock_expanded_path, #relative_paths_root
Constructor Details
#initialize(policyfile: nil, ui: nil, root_dir: nil, overwrite: false) ⇒ Install
Returns a new instance of Install.
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# File 'lib/chef-dk/policyfile_services/install.rb', line 38
def initialize(policyfile: nil, ui: nil, root_dir: nil, overwrite: false)
@ui = ui
@overwrite = overwrite
policyfile_rel_path = policyfile || "Policyfile.rb"
policyfile_full_path = File.expand_path(policyfile_rel_path, root_dir)
@storage_config = Policyfile::StorageConfig.new.use_policyfile(policyfile_full_path)
@policyfile_content = nil
@policyfile_compiler = nil
end
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Instance Attribute Details
#overwrite ⇒ Object
Returns the value of attribute overwrite.
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# File 'lib/chef-dk/policyfile_services/install.rb', line 36
def overwrite
@overwrite
end
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#storage_config ⇒ Object
Returns the value of attribute storage_config.
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# File 'lib/chef-dk/policyfile_services/install.rb', line 35
def storage_config
@storage_config
end
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#ui ⇒ Object
Returns the value of attribute ui.
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# File 'lib/chef-dk/policyfile_services/install.rb', line 34
def ui
@ui
end
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Instance Method Details
#expanded_run_list ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 72
def expanded_run_list
policyfile_compiler.expanded_run_list.to_s
end
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#generate_lock_and_install ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 88
def generate_lock_and_install
policyfile_compiler.error!
ui.msg "Building policy #{policyfile_compiler.name}"
ui.msg "Expanded run list: " + expanded_run_list + "\n"
ui.msg "Caching Cookbooks..."
policyfile_compiler.install
lock_data = policyfile_compiler.lock.to_lock
with_file(policyfile_lock_expanded_path) do |f|
f.print(FFI_Yajl::Encoder.encode(lock_data, pretty: true ))
end
ui.msg ""
ui.msg "Lockfile written to #{policyfile_lock_expanded_path}"
rescue => error
raise PolicyfileInstallError.new("Failed to generate Policyfile.lock", error)
end
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#install_from_lock ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 111
def install_from_lock
ui.msg "Installing cookbooks from lock"
policyfile_lock.install_cookbooks
rescue => error
raise PolicyfileInstallError.new("Failed to install cookbooks from lockfile", error)
end
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#installing_from_lock? ⇒ Boolean
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# File 'lib/chef-dk/policyfile_services/install.rb', line 119
def installing_from_lock?
!@overwrite && File.exist?(policyfile_lock_expanded_path)
end
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#policyfile_compiler ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 68
def policyfile_compiler
@policyfile_compiler ||= ChefDK::PolicyfileCompiler.evaluate(policyfile_content, policyfile_expanded_path, ui: ui)
end
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#policyfile_content ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 64
def policyfile_content
@policyfile_content ||= IO.read(policyfile_expanded_path)
end
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#policyfile_lock ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 80
def policyfile_lock
return nil if policyfile_lock_content.nil?
@policyfile_lock ||= begin
lock_data = FFI_Yajl::Parser.new.parse(policyfile_lock_content)
PolicyfileLock.new(storage_config, ui: ui).build_from_lock_data(lock_data)
end
end
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#policyfile_lock_content ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 76
def policyfile_lock_content
@policyfile_lock_content ||= IO.read(policyfile_lock_expanded_path) if File.exist?(policyfile_lock_expanded_path)
end
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#run ⇒ Object
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# File 'lib/chef-dk/policyfile_services/install.rb', line 50
def run
unless File.exist?(policyfile_expanded_path)
raise PolicyfileNotFound, "Policyfile not found at path #{policyfile_expanded_path}"
end
if installing_from_lock?
install_from_lock
else
generate_lock_and_install
end
end
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