Apply bash error handling consistently in all bash scripts

Change-Id: I36dcff9cc2593bcfb6aebbe84b59d95c711eb3e4

.alltests

@@ -1,33 +1,22 @@
 #!/bin/bash
 
+set -e
+
 TOP_DIR=$(python -c "import os; print os.path.dirname(os.path.realpath('$0'))")
 
 echo "==== Unit tests ===="
 resetswift
 $TOP_DIR/.unittests $@
-rvalue=$?
-if [ $rvalue != 0 ] ; then
-    exit $rvalue
-fi
 
 echo "==== Func tests ===="
 resetswift
 startmain
 $TOP_DIR/.functests $@
-rvalue=$?
-if [ $rvalue != 0 ] ; then
-    exit $rvalue
-fi
 
 echo "==== Probe tests ===="
 resetswift
 $TOP_DIR/.probetests $@
-rvalue=$?
-if [ $rvalue != 0 ] ; then
-    exit $rvalue
-fi
 
 echo "All tests runs fine"
 
 exit 0
-

.functests

@@ -1,7 +1,6 @@
 #!/bin/bash
 
 SRC_DIR=$(python -c "import os; print os.path.dirname(os.path.realpath('$0'))")
-set -e
 
 cd ${SRC_DIR}
 export TESTS_DIR=${SRC_DIR}/test/functional

doc/saio/bin/remakerings

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 cd /etc/swift
 
 rm -f *.builder *.ring.gz backups/*.builder backups/*.ring.gz

doc/saio/bin/resetswift

@@ -1,9 +1,13 @@
 #!/bin/bash
 
-swift-init all stop
+set -e
+
+swift-init all kill
 # Remove the following line if you did not set up rsyslog for individual logging:
 sudo find /var/log/swift -type f -exec rm -f {} \;
-sudo umount /mnt/sdb1
+if cut -d' ' -f2 /proc/mounts | grep -q /mnt/sdb1 ; then
+    sudo umount /mnt/sdb1
+fi
 # If you are using a loopback device set SAIO_BLOCK_DEVICE to "/srv/swift-disk"
 sudo mkfs.xfs -f ${SAIO_BLOCK_DEVICE:-/dev/sdb1}
 sudo mount /mnt/sdb1

doc/saio/bin/startmain

@@ -1,3 +1,5 @@
 #!/bin/bash
 
-swift-init main start
+set -e
+
+swift-init main start

doc/saio/bin/startrest

@@ -1,3 +1,5 @@
 #!/bin/bash
 
-swift-init rest start
+set -e
+
+swift-init rest start