Introduce basic import/export recipes for slaprunner

setup.py

@@ -179,6 +179,8 @@ setup(name=name,
           'slapreport = slapos.recipe.slapreport:Recipe',
           'slaprunner = slapos.recipe.slaprunner:Recipe',
           'slaprunner.test = slapos.recipe.slaprunner:Test',
+          'slaprunner.export = slapos.recipe.slaprunner.backup:ExportRecipe',
+          'slaprunner.import = slapos.recipe.slaprunner.backup:ImportRecipe',
           'softwaretype = slapos.recipe.softwaretype:Recipe',
           'sphinx= slapos.recipe.sphinx:Recipe',
           'sshkeys_authority = slapos.recipe.sshkeys_authority:Recipe',

slapos/recipe/slaprunner/backup.py

+##############################################################################
+#
+# Copyright (c) 2013 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.
+#
+##############################################################################
+
+import textwrap
+
+from slapos.recipe.librecipe import GenericBaseRecipe
+
+
+
+class ExportRecipe(GenericBaseRecipe):
+    """\
+    This recipe creates an exporter script for using with the resilient stack.
+
+    Required options:
+        backup-directory
+            folder that will contain the dump file.
+        srv-directory
+            folder that contain the runner directory.
+        wrapper
+            full path of the exporter script to create.
+    """
+
+    def install(self):
+        wrapper = self.options['wrapper']
+        self.createBackupScript(wrapper)
+        return [wrapper]
+
+
+    def createBackupScript(self, wrapper):
+        """\
+        Create a script to backup the database in 'custom' format.
+        """
+        content = textwrap.dedent("""\
+                #!%(shell-binary)s
+                umask 077
+                cd ~/%(srv-directory)s/ ; \\
+                tar --exclude=runner/software/* -czf %(backup-directory)s/runner.tgz runner/
+                """ % self.options)
+        self.createExecutable(wrapper, content=content)
+
+
+
+class ImportRecipe(GenericBaseRecipe):
+    """\
+    This recipe creates an importer script for using with the resilient stack.
+
+    Required options:
+        backup-directory
+            folder that will contain the dump file.
+        srv-directory
+            folder that contain the runner directory.
+        wrapper
+            full path of the exporter script to create.
+    """
+
+    def install(self):
+        wrapper = self.options['wrapper']
+        self.createRestoreScript(wrapper)
+        return [wrapper]
+
+
+    def createRestoreScript(self, wrapper):
+        """\
+        Create a script to restore the database from 'custom' format.
+        """
+        content = textwrap.dedent("""\
+                #!%(shell-binary)s \\
+                umask 077  \\
+                cd ~/%(srv-directory)s/ ; \\
+                tar -xzf %(backup-directory)s/runner.tgz runner/ ; \\
+                """ % self.options)
+        self.createExecutable(wrapper, content=content)
+
+