diff --git a/lib/bacula_handler.rb b/lib/bacula_handler.rb index 40aa651..a17e5d7 100644 --- a/lib/bacula_handler.rb +++ b/lib/bacula_handler.rb @@ -1,131 +1,184 @@ class BaculaHandler require 'net/scp' - attr_accessor :host, :tempfile + attr_accessor :host, :templates, :client, :jobs, :schedules, :filesets # Initializes a BaculaHandler instance. # - # Sets `host` and `template` attributes. + # Sets `host` and `templates` attributes. + # Sets the temporal files that contain the client's configuration # # @param host[Host] A the host instance the the bacula handler will act upon def initialize(host) @host = host - @tempfile = get_config_file + @templates = host.job_templates.enabled.includes(:fileset, :schedule) + + @client = get_client_file + @jobs = get_jobs_file + @schedules = get_schedules_file + @filesets = get_filesets_file end # Deploys the host's config to the bacula director by # # * uploading the configuration # * reloadind the bacula director # # Updates the host's status accordingly # # @return [Boolean] false if something went wrong def deploy_config return false unless send_config if reload_bacula host.set_deployed else host.dispatch || host.redispatch end end # Removes the host's configuration from the bacula director by # # * removing the host's configuration files # * reloading the bacula director # # Updates the host's status accordingly # # @return [Boolean] false if something went wrong def undeploy_config return false unless remove_config host.disable if reload_bacula end # Schedules an immediate backup to the bacula director for the given host and job # # @param job_name[String] the job's name def backup_now(job_name) job = host.job_templates.enabled.find_by(name: job_name) return false unless job command = "echo \"run job=\\\"#{job.name_for_config}\\\" yes\" | #{bconsole}" log(command) exec_with_timeout(command, 2) end # Schedules an immediate restore to the bacula director for the given host. # # @param location[String] the desired restore location def restore(location="/tmp/bacula-restore") command = "echo \"restore client=\\\"#{host.name}\\\" where=\\\"#{location}\\\" select current all done yes\" | #{bconsole}" log(command) exec_with_timeout(command, 2) end private - def get_config_file - file = Tempfile.new(host.name) - file.chmod(0666) - file.write host.baculize_config.join("\n") + def get_client_file + file = a_tmpfile + file.write host.to_bacula_config_array.join("\n") + file.close + file + end + + def get_jobs_file + file = a_tmpfile + file.write templates.map(&:to_bacula_config_array).join("\n") + file.close + file + end + + def get_schedules_file + file = a_tmpfile + file.write templates.map(&:schedule).uniq.map(&:to_bacula_config_array).join("\n") + file.close + file + end + + def get_filesets_file + file = a_tmpfile + file.write templates.map(&:fileset).uniq.map(&:to_bacula_config_array).join("\n") file.close file end def send_config begin Net::SCP.upload!( ssh_settings[:host], ssh_settings[:username], - tempfile.path, - ssh_settings[:path] + host.name + '.conf', + client.path, + ssh_settings[:path] + 'clients/' + host.name + '.conf', + ssh: { keys: [ssh_settings[:key_file]] } + ) + Net::SCP.upload!( + ssh_settings[:host], + ssh_settings[:username], + jobs.path, + ssh_settings[:path] + 'jobs/' + host.name + '.conf', + ssh: { keys: [ssh_settings[:key_file]] } + ) + Net::SCP.upload!( + ssh_settings[:host], + ssh_settings[:username], + schedules.path, + ssh_settings[:path] + 'schedules/' + host.name + '.conf', + ssh: { keys: [ssh_settings[:key_file]] } + ) + Net::SCP.upload!( + ssh_settings[:host], + ssh_settings[:username], + filesets.path, + ssh_settings[:path] + 'filesets/' + host.name + '.conf', ssh: { keys: [ssh_settings[:key_file]] } ) rescue return false end true end def remove_config begin Net::SSH.start(ssh_settings[:host], ssh_settings[:username], keys: ssh_settings[:key_file]) do |ssh| - ssh.exec!("rm #{ssh_settings[:path] + host.name}.conf") + ssh.exec!("rm #{ssh_settings[:path]}*/#{host.name}.conf") end rescue return false end true end def reload_bacula command = "echo \"reload quit\" | #{bconsole}" exec_with_timeout(command, 2) end def exec_with_timeout(command, sec) begin Timeout::timeout(sec) do `#{command}` end rescue return false end true end def bconsole "bconsole -c #{Rails.root}/config/bconsole.conf" end def ssh_settings @ssh_settings ||= YAML::load(File.open("#{Rails.root}/config/ssh.yml"))[Rails.env]. symbolize_keys end + def a_tmpfile + file = Tempfile.new(host.name) + file.chmod(0666) + file + end + def log(msg) Rails.logger.warn("[BaculaHandler]: #{msg}") end end