Make all scripts under labs folder Bashate clean

Writing style for bash script is corrected.

Closes-Bug: #1430649
Change-Id: I8c8a73364922d418c47e7cd8ee372710cafab5ce

labs/lib/osbash/lib.ubuntu-12.04.4-server-amd64

@@ -15,17 +15,17 @@ readonly _PS_vbadd=http://git.openstack.org/cgit/openstack/training-guides/plain
 readonly _PS_all=http://git.openstack.org/cgit/openstack/training-guides/plain/labs/lib/osbash/netboot/preseed-all-v2.cfg
 
 readonly _BOOT_ARGS="/install/vmlinuz
- noapic
- preseed/url=%s
- debian-installer=en_US
- auto=true
- locale=en_US
- hostname=osbash
- fb=false
- debconf/frontend=noninteractive
- keyboard-configuration/modelcode=SKIP
- initrd=/install/initrd.gz
- console-setup/ask_detect=false"
+    noapic
+    preseed/url=%s
+    debian-installer=en_US
+    auto=true
+    locale=en_US
+    hostname=osbash
+    fb=false
+    debconf/frontend=noninteractive
+    keyboard-configuration/modelcode=SKIP
+    initrd=/install/initrd.gz
+    console-setup/ask_detect=false"
 
 function vbox_distro_start_installer {
     local vm_name=$1

labs/lib/osbash/lib.ubuntu-14.04-server-amd64

@@ -15,17 +15,17 @@ readonly _PS_vbadd=http://git.openstack.org/cgit/openstack/training-guides/plain
 readonly _PS_all=http://git.openstack.org/cgit/openstack/training-guides/plain/labs/lib/osbash/netboot/preseed-all-v2.cfg
 
 readonly _BOOT_ARGS="/install/vmlinuz
- noapic
- preseed/url=%s
- debian-installer=en_US
- auto=true
- locale=en_US
- hostname=osbash
- fb=false
- debconf/frontend=noninteractive
- keyboard-configuration/modelcode=SKIP
- initrd=/install/initrd.gz
- console-setup/ask_detect=false"
+    noapic
+    preseed/url=%s
+    debian-installer=en_US
+    auto=true
+    locale=en_US
+    hostname=osbash
+    fb=false
+    debconf/frontend=noninteractive
+    keyboard-configuration/modelcode=SKIP
+    initrd=/install/initrd.gz
+    console-setup/ask_detect=false"
 
 function vbox_distro_start_installer {
     local vm_name=$1

labs/lib/osbash/virtualbox.install_base

@@ -5,11 +5,11 @@ function check_md5 {
     local csum=$2
     local md5exe
     if ! md5exe=$(which md5sum); then
-      # On Mac OS X, the tool is called md5
-      if ! md5exe=$(which md5); then
-        echo >&2 "Neither md5sum nor md5 found. Aborting."
-        exit 1
-      fi
+        # On Mac OS X, the tool is called md5
+        if ! md5exe=$(which md5); then
+            echo >&2 "Neither md5sum nor md5 found. Aborting."
+            exit 1
+        fi
     fi
     echo >&2 -n "Verifying ISO image MD5 checksum: "
     if $md5exe "$file" | grep -q "$csum"; then

labs/osbash.sh

@@ -24,7 +24,7 @@ source "$LIB_DIR/osbash/lib.color"
 function usage {
     echo "Usage: $0 {-b|-w} [-g GUI] [--no-color] [-n] {basedisk|NODE [NODE..]}"
     # Don't advertise export until it is working properly
-    #echo "       $0 [-e EXPORT] [-n] NODE [NODE..]"
+    # echo "       $0 [-e EXPORT] [-n] NODE [NODE..]"
     echo ""
     echo "-h        Help"
     echo "-n        Print configuration status and exit"

labs/scripts/config_tenant_network.sh

@@ -37,5 +37,5 @@ echo "Attaching the router to the demo tenant subnet."
 neutron router-interface-add demo-router demo-subnet
 
 echo "Attaching the router to the external network by setting it as the" \
-     "gateway."
+    "gateway."
 neutron router-gateway-set demo-router ext-net

labs/scripts/yum_init.sh

@@ -13,7 +13,9 @@ exec_logfile
 
 function set_yum_proxy {
     local YUM_FILE=/etc/yum.conf
-    if [ -z "${VM_PROXY-}" ]; then return 0; fi
+    if [ -z "${VM_PROXY-}" ]; then
+        return 0;
+    fi
     echo "proxy=${VM_PROXY}" | sudo tee -a $YUM_FILE
 }