Add a standard exception holding file.

1 files changed, 62 insertions, 0 deletions

diff --git a/cloudinit/exceptions.py b/cloudinit/exceptions.py
new file mode 100644
index 00000000..235ded7a
--- /dev/null
+++ b/cloudinit/exceptions.py
@@ -0,0 +1,62 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+
+class ProcessExecutionError(IOError):
+
+    message_tmpl = ('%(description)s\nCommand: %(cmd)s\n'
+                    'Exit code: %(exit_code)s\nStdout: %(stdout)r\n'
+                    'Stderr: %(stderr)r')
+
+    def __init__(self, stdout=None, stderr=None,
+                 exit_code=None, cmd=None,
+                 description=None, reason=None):
+        if not cmd:
+            self.cmd = '-'
+        else:
+            self.cmd = cmd
+
+        if not description:
+            self.description = 'Unexpected error while running command.'
+        else:
+            self.description = description
+
+        if not isinstance(exit_code, (long, int)):
+            self.exit_code = '-'
+        else:
+            self.exit_code = exit_code
+
+        if not stderr:
+            self.stderr = ''
+        else:
+            self.stderr = stderr
+
+        if not stdout:
+            self.stdout = ''
+        else:
+            self.stdout = stdout
+
+        message = self.message_tmpl % {
+            'description': self.description,
+            'cmd': self.cmd,
+            'exit_code': self.exit_code,
+            'stdout': self.stdout,
+            'stderr': self.stderr,
+        }
+        IOError.__init__(self, message)
+        self.reason = reason
+
+
+class MountFailedError(Exception):
+    pass
+
+
+class StackExceeded(Exception):
+    pass
+
+
+class RecursiveInclude(Exception):
+    pass
+
+
+class DataSourceNotFoundException(Exception):
+    pass