From: Alfredo Deza <alfredo.deza@inktank.com>
Date: Mon, 25 Nov 2013 17:31:56 +0000 (-0600)
Subject: create a new 'which' helper to find executable paths
X-Git-Tag: v1.3.3~4^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=b5f4d347c06e42c7965ee52f021e7acf0a23498c;p=ceph-deploy.git

create a new 'which' helper to find executable paths

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
---

diff --git a/ceph_deploy/hosts/remotes.py b/ceph_deploy/hosts/remotes.py
index b5e0420..0c74a4f 100644
--- a/ceph_deploy/hosts/remotes.py
+++ b/ceph_deploy/hosts/remotes.py
@@ -149,6 +149,23 @@ def which_service():
             return location
 
 
+def which(executable):
+    """find the location of an executable"""
+    locations = (
+        '/usr/local/bin',
+        '/bin',
+        '/usr/bin',
+        '/usr/local/sbin',
+        '/usr/sbin',
+        '/sbin',
+    )
+
+    for location in locations:
+        executable_path = os.path.join(location, executable)
+        if os.path.exists(executable_path):
+            return executable_path
+
+
 def make_mon_removed_dir(path, file_name):
     """ move old monitor data """
     try: