diff --git a/app/models/host.rb b/app/models/host.rb index f3f5f6e..f4b11fd 100644 --- a/app/models/host.rb +++ b/app/models/host.rb @@ -1,260 +1,276 @@ # The bacula database must be independent from all of our application logic. # For this reason we have Host which is the application equivalent of a Bacula Client. # # A host is being created from our application. When it receives all the configuration # which is required it gets dispatched to bacula through some configuration files. After # that, a client with the exact same config is generated by bacula. class Host < ActiveRecord::Base STATUSES = { pending: 0, configured: 1, dispatched: 2, deployed: 3, updated: 4, redispatched: 5, for_removal: 6 } has_many :ownerships has_many :users, through: :ownerships, inverse_of: :hosts belongs_to :client, class_name: :Client, foreign_key: :name, primary_key: :name belongs_to :verifier, class_name: :User, foreign_key: :verifier_id, primary_key: :id has_many :filesets, dependent: :destroy has_many :job_templates, dependent: :destroy has_many :schedules, dependent: :destroy validates :file_retention, :job_retention, :port, :password, presence: true validates :port, numericality: true validates :fqdn, presence: true, uniqueness: true validate :fqdn_format scope :not_baculized, -> { joins("left join Client on Client.Name = hosts.name").where(Client: { Name: nil }) } scope :unverified, -> { where(verified: false) } before_validation :set_retention, :unset_baculized, :sanitize_name state_machine :status, initial: :pending do STATUSES.each do |status_name, value| state status_name, value: value end after_transition [:dispatched, :redispatched, :configured, :updated] => :deployed do |host| host.job_templates.enabled. update_all(baculized: true, baculized_at: Time.now, updated_at: Time.now) end event :add_configuration do transition [:pending, :dispatched] => :configured end event :dispatch do transition :configured => :dispatched end event :redispatch do transition :updated => :redispatched end event :set_deployed do transition [:dispatched, :redispatched, :configured, :updated] => :deployed end event :change_deployed_config do transition [:deployed, :redispatched, :for_removal] => :updated end event :mark_for_removal do transition [:dispatched, :deployed, :updated, :redispatched] => :for_removal end event :disable do transition all => :pending end end # Constructs the final Bacula configuration for the host by appending configs for # # * Client # * Jobs # * Schedules # * Filesets # # by calling their `to_bacula_config_array` methods. # # @return [Array] containing each element's configuration line by line def baculize_config templates = job_templates.enabled.includes(:fileset, :schedule) result = [self] + templates.map {|x| [x, x.fileset, x.schedule] }.flatten.compact.uniq result.map(&:to_bacula_config_array) end + # Constructs the final Bacula configuration for the host by appending configs for + # + # * Client + # * Jobs + # * Schedules + # * Filesets + # + # by calling their `to_bacula_config_array` methods. + # + # It hides the password. + # + # @return [Array] containing each element's configuration line by line + def baculize_config_no_pass + baculize_config.join("\n").gsub(/Password = ".*"$/, 'Password = "*************"') + end + # Constructs an array where each element is a line for the Client's bacula config # # @return [Array] def to_bacula_config_array [ "Client {", " Name = #{name}", " Address = #{fqdn}", " FDPort = #{port}", " Catalog = #{client_settings[:catalog]}", " Password = \"#{password}\"", " File Retention = #{file_retention} #{file_retention_period_type}", " Job Retention = #{job_retention} #{job_retention_period_type}", " AutoPrune = #{auto_prune_human}", "}" ] end # Shows the host's auto_prune setting def auto_prune_human client_settings[:autoprune] end # Uploads the host's config to bacula # Reloads bacula server # # It updates the host's status accordingly def dispatch_to_bacula return false if not needs_dispatch? bacula_handler.deploy_config end # Removes a Host from bacula configuration. # Reloads bacula server # # If all go well it changes the host's status and returns true def remove_from_bacula return false unless needs_revoke? bacula_handler.undeploy_config end # Restores a host's backup to a preselected location # # @param location[String] the desired restore location def restore(location) return false if not restorable? bacula_handler.restore(location) end # Runs the given backup job ASAP def backup_now(job_name) bacula_handler.backup_now(job_name) end # Determinex weather a host: # # * has all it takes to be deployed but # * the config is not yet sent to bacula # # @return [Boolean] def needs_dispatch? verified? && (can_dispatch? || can_redispatch?) end # Determines weather a host is marked for removal # # @return [Boolean] def needs_revoke? for_removal? end # Handles the host's job changes by updating the host's status def recalculate if job_templates(true).enabled.any? add_configuration || change_deployed_config else mark_for_removal || disable end end # Fetches an info message concerning the host's deploy status def display_message if !verified? { message: 'Your host needs to be verified by an admin', severity: :alert } elsif pending? { message: 'client not configured yet', severity: :alert } elsif configured? || dispatched? { message: 'client not deployed to Bacula', severity: :alert } elsif updated? || redispatched? { message: 'client configuration changed, deploy needed', severity: :alert } elsif for_removal? { message: 'pending client configuration withdraw', severity: :error } elsif inactive? { message: 'client disabled', severity: :alert } end end # Determines if a host can issue a restore job. # # @returns [Boolean] true if the host's client can issue a restore job def restorable? client.present? && client.is_backed_up? end # @return [User] the first of the host's users def first_user users.order('ownerships.created_at asc').first end # Marks the host as verified and sets the relevant metadata # # @param admin_verifier[Integer] the verifier's id def verify(admin_verifier) self.verified = true self.verifier_id = admin_verifier self.verified_at = Time.now save end private # automatic setters def sanitize_name self.name = fqdn end # Sets the file and job retention according to the global settings def set_retention self.file_retention = client_settings[:file_retention] self.file_retention_period_type = client_settings[:file_retention_period_type] self.job_retention = client_settings[:job_retention] self.job_retention_period_type = client_settings[:job_retention_period_type] end def unset_baculized self.baculized = false if new_record? true end # validation def fqdn_format regex = /(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{1,63}(?
-<%= @host.baculize_config.join("\n") %> +<%= @host.baculize_config_no_pass %>