Add logfollower recipe

setup.py

@@ -84,6 +84,7 @@ setup(name=name,
           'lamp.request = slapos.recipe.lamp:Request',
           'lamp.static = slapos.recipe.lamp:Static',
           'lamp.simple = slapos.recipe.lamp:Simple',
+          'logfollower = slapos.recipe.logfollower:Recipe',
           'logrotate = slapos.recipe.logrotate:Recipe',
           'logrotate.d = slapos.recipe.logrotate:Part',
           'pbs = slapos.recipe.pbs:Recipe',

slapos/recipe/logfollower.py

+##############################################################################
+#
+# Copyright (c) 2010 Vifib SARL and Contributors. All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 3
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+from slapos.recipe.librecipe import GenericBaseRecipe
+
+
+class Recipe(GenericBaseRecipe):
+
+  def install(self):
+    command_line = [self.options['binary']]
+
+    timeout = self.options.get('timeout')
+    if timeout is not None:
+      timeout = str(timeout)
+      if not timeout.isdigit():
+        raise ValueError("Timeout isn't a digit")
+      command_line.extend(['-t', timeout])
+
+    if self.optionIsTrue('wait-for-creation'):
+      command_line.append('--wait-for-creation')
+
+    if self.optionIsTrue('rotated'):
+      command_line.append('--rotated')
+
+    command_line.extend(['--regex', self.options['regex']])
+
+    command_line.append(self.options['file'])
+    command_line.append(self.options['url'])
+
+    wrapper = self.createPythonScript(
+      self.options['wrapper'],
+      'slapos.recipe.librecipe.execute.execute',
+      command_line,
+    )
+
+    return [wrapper]