1 files changed, 51 insertions, 0 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py
index 8b3de7999..3c454ed4a 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -14,7 +14,13 @@
 # License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 import re
+import psutil
 
+def read_file(path):
+    """ Read a file to string """
+    with open(path, 'r') as f:
+        data = f.read().strip()
+    return data
 
 def colon_separated_to_dict(data_string, uniquekeys=False):
     """ Converts a string containing newline-separated entries
@@ -63,3 +69,48 @@ def colon_separated_to_dict(data_string, uniquekeys=False):
             pass
 
     return data
+
+def process_running(pid_file):
+    """ Checks if a process with PID in pid_file is running """
+    with open(pid_file, 'r') as f:
+        pid = f.read().strip()
+    return psutil.pid_exists(int(pid))
+
+def seconds_to_human(s, separator=""):
+    """ Converts number of seconds passed to a human-readable
+    interval such as 1w4d18h35m59s
+    """
+    s = int(s)
+
+    week = 60 * 60 * 24 * 7
+    day = 60 * 60 * 24
+    hour = 60 * 60
+
+    remainder = 0
+    result = ""
+
+    weeks = s // week
+    if weeks > 0:
+        result = "{0}w".format(weeks)
+        s = s % week
+
+    days = s // day
+    if days > 0:
+        result = "{0}{1}{2}d".format(result, separator, days)
+        s = s % day
+
+    hours = s // hour
+    if hours > 0:
+        result = "{0}{1}{2}h".format(result, separator, hours)
+        s = s % hour
+
+    minutes = s // 60
+    if minutes > 0:
+        result = "{0}{1}{2}m".format(result, separator, minutes)
+        s = s % 60
+
+    seconds = s
+    if seconds > 0:
+        result = "{0}{1}{2}s".format(result, separator, seconds)
+
+    return result