From: Zack Cerza <zack@redhat.com>
Date: Tue, 2 May 2017 17:09:40 +0000 (-0600)
Subject: Remote: add init_system property
X-Git-Tag: 1.1.0~384^2~6
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=15d2edded116ba0866f4700181e89bcc38e0119c;p=teuthology.git

Remote: add init_system property

So far, this only exists to answer the question: "does this host use
systemd?" - in which case it will return 'systemd'. Else it will return
None.

Signed-off-by: Zack Cerza <zack@redhat.com>
---

diff --git a/teuthology/orchestra/remote.py b/teuthology/orchestra/remote.py
index 441ece30..7d064459 100644
--- a/teuthology/orchestra/remote.py
+++ b/teuthology/orchestra/remote.py
@@ -451,6 +451,23 @@ class Remote(object):
             self._is_vm = teuthology.lock.query.is_vm(self.name)
         return self._is_vm
 
+    @property
+    def init_system(self):
+        """
+        Which init system does the remote use?
+
+        :returns: 'systemd' or None
+        """
+        if not hasattr(self, '_init_system'):
+            self._init_system = None
+            proc = self.run(
+                args=['which', 'systemctl'],
+                check_status=False,
+            )
+            if proc.returncode == 0:
+                self._init_system = 'systemd'
+        return self._init_system
+
     def __del__(self):
         if self.ssh is not None:
             self.ssh.close()