a32f34b408
Knife-Zero doesn't include Berkshelf support, so vendoring everything in the repo is convenient again
140 lines
3.9 KiB
Ruby
140 lines
3.9 KiB
Ruby
#
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# Copyright 2015-2017, Noah Kantrowitz
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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require 'chef/resource'
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require 'chef/provider'
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require 'poise'
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module PoiseLanguages
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module Static
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# A `poise_languages_static` resource to manage installing a language from
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# static binary archives. This is an internal implementation detail of
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# poise-languages.
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#
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# @api private
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# @since 1.1.0
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# @provides poise_languages_static
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# @action install
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# @action uninstall
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class Resource < Chef::Resource
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include Poise
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provides(:poise_languages_static)
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actions(:install, :uninstall)
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# @!attribute path
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# Directory to install to.
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# @return [String]
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attribute(:path, kind_of: String, name_attribute: true)
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# @!attribute download_retries
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# Number of times to retry failed downloads. Defaults to 5.
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# @return [Integer]
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attribute(:download_retries, kind_of: Integer, default: 5)
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# @!attribute source
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# URL to download from.
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# @return [String]
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attribute(:source, kind_of: String, required: true)
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# @!attribute strip_components
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# Value to pass to tar --strip-components.
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# @return [String, Integer, nil]
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attribute(:strip_components, kind_of: [String, Integer, NilClass], default: 1)
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def cache_path
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@cache_path ||= ::File.join(Chef::Config[:file_cache_path], source.split(/\//).last)
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end
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end
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# The default provider for `poise_languages_static`.
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#
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# @api private
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# @since 1.0
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# @see Resource
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# @provides poise_languages_static
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class Provider < Chef::Provider
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include Poise
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provides(:poise_languages_static)
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# The `install` action for the `poise_languages_static` resource.
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#
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# @return [void]
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def action_install
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notifying_block do
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download_archive
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create_directory
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# Unpack is handled as a notification from download_archive.
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end
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end
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# The `uninstall` action for the `poise_languages_static` resource.
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#
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# @return [void]
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def action_uninstall
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notifying_block do
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delete_archive
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delete_directory
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end
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end
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private
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def create_directory
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unpack_resource = unpack_archive
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directory new_resource.path do
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user 0
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group 0
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mode '755'
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notifies :unpack, unpack_resource, :immediately
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end
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end
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def download_archive
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unpack_resource = unpack_archive
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remote_file new_resource.cache_path do
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source new_resource.source
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owner 0
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group 0
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mode '644'
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notifies :unpack, unpack_resource, :immediately if ::File.exist?(new_resource.path)
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retries new_resource.download_retries
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end
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end
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def unpack_archive
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@unpack_archive ||= poise_archive new_resource.cache_path do
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# Run via notification from #download_archive and #create_directory.
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action :nothing
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destination new_resource.path
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strip_components new_resource.strip_components
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end
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end
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def delete_archive
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file new_resource.cache_path do
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action :delete
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end
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end
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def delete_directory
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directory new_resource.path do
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action :delete
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recursive true
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end
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end
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end
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end
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end
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