Refactor log_header into a method.

https://bugzilla.redhat.com/show_bug.cgi?id=1184465

vmdb/app/models/file_depot_ftp.rb

@@ -5,44 +5,45 @@ def self.uri_prefix
     "ftp"
   end
 
+  def log_header(method = nil)
+    "MIQ(#{self.class.name}##{method})"
+  end
+
   def self.validate_settings(settings)
     depot = new(:uri => settings[:uri])
     depot.with_connection(:username => settings[:username], :password => settings[:password]) { |c| c.last_response }
   end
 
   def upload_file(file)
-    log_header = "MIQ(#{self.class.name}##{__method__})"
     super
     with_connection do |ftp|
       begin
         return if destination_file_exists?(ftp, destination_file)
 
         create_directory_structure(ftp)
-        $log.info("#{log_header} Uploading file: #{destination_file} to File Depot: #{name}...")
         ftp.putbinaryfile(file.local_file, destination_file)
       rescue => err
         msg = "Error '#{err.message.chomp}', writing to FTP: [#{uri}], Username: [#{authentication_userid}]"
-        $log.error("#{log_header} #{msg}")
+        $log.error("#{log_header(__method__)} #{msg}")
         raise msg
       else
         file.update_attributes(
           :state   => "available",
           :log_uri => destination_file
         )
-        $log.info("#{log_header} Uploading file: #{destination_file}... Complete")
+        $log.info("#{log_header(__method__)} Uploading file: #{destination_file}... Complete")
         file.post_upload_tasks
       end
     end
   end
 
   def remove_file(file)
-    log_header = "MIQ(#{self.class.name}##{__method__})"
     @file = file
-    $log.info("#{log_header} Removing log file [#{destination_file}]...")
+    $log.info("#{log_header(__method__)} Removing log file [#{destination_file}]...")
     with_connection do |ftp|
       ftp.delete(destination_file)
     end
-    $log.info("#{log_header} Removing log file [#{destination_file}]...complete")
+    $log.info("#{log_header(__method__)} Removing log file [#{destination_file}]...complete")
   end
 
   def verify_credentials(_auth_type = nil)
@@ -63,22 +64,21 @@ def with_connection(cred_hash = nil)
   end
 
   def connect(cred_hash = nil)
-    log_header = "MIQ(#{self.class.name}##{__method__})"
     host       = URI.split(URI.encode(uri))[2]
 
     begin
-      $log.info("#{log_header} Connecting to #{self.class.name}: #{name} host: #{host}...")
       ftp         = Net::FTP.new(host)
       ftp.passive = true  # Use passive mode to avoid firewall issues see http://slacksite.com/other/ftp.html#passive
       # ftp.debug_mode = true if settings[:debug]  # TODO: add debug option
+      $log.info("#{log_header(__method__)} Connecting to #{self.class.name}: #{name} host: #{host}...")
       creds = cred_hash ? [cred_hash[:username], cred_hash[:password]] : login_credentials
       ftp.login(*creds)
-      $log.info("#{log_header} Connected to #{self.class.name}: #{name} host: #{host}")
+      $log.info("#{log_header(__method__)} Connected to #{self.class.name}: #{name} host: #{host}")
     rescue SocketError => err
-      $log.error("#{log_header} Failed to connect.  #{err.message}")
+      $log.error("#{log_header(__method__)} Failed to connect.  #{err.message}")
       raise
     rescue Net::FTPPermError => err
-      $log.error("#{log_header} Failed to login.  #{err.message}")
+      $log.error("#{log_header(__method__)} Failed to login.  #{err.message}")
       raise
     else
       ftp