require 'faraday' require 'faraday_middleware' module ContainerRegistry class Client attr_accessor :uri MANIFEST_VERSION = 'application/vnd.docker.distribution.manifest.v2+json' def initialize(base_uri, options = {}) @base_uri = base_uri @faraday = Faraday.new(@base_uri) do |conn| initialize_connection(conn, options) end end def repository_tags(name) @faraday.get("/v2/#{name}/tags/list").body end def repository_manifest(name, reference) @faraday.get("/v2/#{name}/manifests/#{reference}").body end def repository_tag_digest(name, reference) response = @faraday.head("/v2/#{name}/manifests/#{reference}") response.headers['docker-content-digest'] if response.success? end def delete_repository_tag(name, reference) @faraday.delete("/v2/#{name}/manifests/#{reference}").success? end def blob(name, digest, type = nil) headers = {} headers['Accept'] = type if type @faraday.get("/v2/#{name}/blobs/#{digest}", nil, headers).body end def delete_blob(name, digest) @faraday.delete("/v2/#{name}/blobs/#{digest}").success? end private def initialize_connection(conn, options) conn.request :json conn.headers['Accept'] = MANIFEST_VERSION conn.response :json, content_type: /\bjson$/ if options[:user] && options[:password] conn.request(:basic_auth, options[:user].to_s, options[:password].to_s) elsif options[:token] conn.request(:authorization, :bearer, options[:token].to_s) end conn.adapter :net_http end end end