From 4bd5435cab38818318818906c5f864a599990e26 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sun, 27 Feb 2011 00:46:25 -0300
Subject: Lockfile enhancement at check-puppetd

---
 templates/check-puppetd.sh.erb | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

(limited to 'templates')

diff --git a/templates/check-puppetd.sh.erb b/templates/check-puppetd.sh.erb
index 1340315..d467ad6 100644
--- a/templates/check-puppetd.sh.erb
+++ b/templates/check-puppetd.sh.erb
@@ -49,14 +49,18 @@ function check_lockfile {
   local pid process
 
   if [ ! -z "$LOCKFILE" ] && [ -f "$LOCKFILE" ]; then
-    pid="`cat $LOCKFILE`"
+    pid="`cat $LOCKFILE 2> /dev/null`"
     process="`ps --no-headers -o comm $pid`"
-    if [ "$?" == "0" ] && [ "`ps --no-headers -o comm $$`" == "$process" ]; then
-      echo "Another backup is running for $LOCKFILE, skipping run"
-      exit
-    else
-      echo "Found old lockfile $LOCKFILE, removing it"
-      unset_lockfile  
+
+    # Check lockfile again
+    if [ -f "$LOCKFILE" ]; then
+      if [ "$?" == "0" ] && [ "`ps --no-headers -o comm $$`" == "$process" ]; then
+        echo "Another backup is running for $LOCKFILE, skipping run"
+        exit
+      else
+        echo "Found old lockfile $LOCKFILE, removing it"
+        unset_lockfile  
+      fi
     fi
   fi
 
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