clean up whitespace issues on exercises and friends

Change-Id: I812a73e46ddd4d5fed4d304d9ef92c1de243f497
diff --git a/exercises/boot_from_volume.sh b/exercises/boot_from_volume.sh
index fe27bd0..634a6d5 100755
--- a/exercises/boot_from_volume.sh
+++ b/exercises/boot_from_volume.sh
@@ -119,7 +119,7 @@
 INSTANCE_TYPE=$(nova flavor-list | grep $DEFAULT_INSTANCE_TYPE | get_field 1)
 if [[ -z "$INSTANCE_TYPE" ]]; then
     # grab the first flavor in the list to launch if default doesn't exist
-   INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
+    INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
 fi
 
 # Clean-up from previous runs
diff --git a/exercises/docker.sh b/exercises/docker.sh
index 0672bc0..10c5436 100755
--- a/exercises/docker.sh
+++ b/exercises/docker.sh
@@ -62,7 +62,7 @@
 INSTANCE_TYPE=$(nova flavor-list | grep $DEFAULT_INSTANCE_TYPE | get_field 1)
 if [[ -z "$INSTANCE_TYPE" ]]; then
     # grab the first flavor in the list to launch if default doesn't exist
-   INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
+    INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
 fi
 
 # Clean-up from previous runs
@@ -102,4 +102,3 @@
 echo "*********************************************************************"
 echo "SUCCESS: End DevStack Exercise: $0"
 echo "*********************************************************************"
-
diff --git a/exercises/euca.sh b/exercises/euca.sh
index 64c0014..ed521e4 100755
--- a/exercises/euca.sh
+++ b/exercises/euca.sh
@@ -87,31 +87,31 @@
 # Volumes
 # -------
 if is_service_enabled c-vol && ! is_service_enabled n-cell; then
-   VOLUME_ZONE=`euca-describe-availability-zones | head -n1 | cut -f2`
-   die_if_not_set $LINENO VOLUME_ZONE "Failure to find zone for volume"
+    VOLUME_ZONE=`euca-describe-availability-zones | head -n1 | cut -f2`
+    die_if_not_set $LINENO VOLUME_ZONE "Failure to find zone for volume"
 
-   VOLUME=`euca-create-volume -s 1 -z $VOLUME_ZONE | cut -f2`
-   die_if_not_set $LINENO VOLUME "Failure to create volume"
+    VOLUME=`euca-create-volume -s 1 -z $VOLUME_ZONE | cut -f2`
+    die_if_not_set $LINENO VOLUME "Failure to create volume"
 
-   # Test that volume has been created
-   VOLUME=`euca-describe-volumes $VOLUME | cut -f2`
-   die_if_not_set $LINENO VOLUME "Failure to get volume"
+    # Test that volume has been created
+    VOLUME=`euca-describe-volumes $VOLUME | cut -f2`
+    die_if_not_set $LINENO VOLUME "Failure to get volume"
 
-   # Test volume has become available
-   if ! timeout $RUNNING_TIMEOUT sh -c "while ! euca-describe-volumes $VOLUME | grep -q available; do sleep 1; done"; then
-       die $LINENO "volume didn't become available within $RUNNING_TIMEOUT seconds"
-   fi
+    # Test volume has become available
+    if ! timeout $RUNNING_TIMEOUT sh -c "while ! euca-describe-volumes $VOLUME | grep -q available; do sleep 1; done"; then
+        die $LINENO "volume didn't become available within $RUNNING_TIMEOUT seconds"
+    fi
 
-   # Attach volume to an instance
-   euca-attach-volume -i $INSTANCE -d $ATTACH_DEVICE $VOLUME || \
-       die $LINENO "Failure attaching volume $VOLUME to $INSTANCE"
-   if ! timeout $ACTIVE_TIMEOUT sh -c "while ! euca-describe-volumes $VOLUME | grep -A 1 in-use | grep -q attach; do sleep 1; done"; then
-       die $LINENO "Could not attach $VOLUME to $INSTANCE"
-   fi
+    # Attach volume to an instance
+    euca-attach-volume -i $INSTANCE -d $ATTACH_DEVICE $VOLUME || \
+        die $LINENO "Failure attaching volume $VOLUME to $INSTANCE"
+    if ! timeout $ACTIVE_TIMEOUT sh -c "while ! euca-describe-volumes $VOLUME | grep -A 1 in-use | grep -q attach; do sleep 1; done"; then
+        die $LINENO "Could not attach $VOLUME to $INSTANCE"
+    fi
 
-   # Detach volume from an instance
-   euca-detach-volume $VOLUME || \
-       die $LINENO "Failure detaching volume $VOLUME to $INSTANCE"
+    # Detach volume from an instance
+    euca-detach-volume $VOLUME || \
+        die $LINENO "Failure detaching volume $VOLUME to $INSTANCE"
     if ! timeout $ACTIVE_TIMEOUT sh -c "while ! euca-describe-volumes $VOLUME | grep -q available; do sleep 1; done"; then
         die $LINENO "Could not detach $VOLUME to $INSTANCE"
     fi
@@ -120,7 +120,7 @@
     euca-delete-volume $VOLUME || \
         die $LINENO "Failure to delete volume"
     if ! timeout $ACTIVE_TIMEOUT sh -c "while euca-describe-volumes | grep $VOLUME; do sleep 1; done"; then
-       die $LINENO "Could not delete $VOLUME"
+        die $LINENO "Could not delete $VOLUME"
     fi
 else
     echo "Volume Tests Skipped"
diff --git a/exercises/floating_ips.sh b/exercises/floating_ips.sh
index 2833b65..1a1608c 100755
--- a/exercises/floating_ips.sh
+++ b/exercises/floating_ips.sh
@@ -113,7 +113,7 @@
 INSTANCE_TYPE=$(nova flavor-list | grep $DEFAULT_INSTANCE_TYPE | get_field 1)
 if [[ -z "$INSTANCE_TYPE" ]]; then
     # grab the first flavor in the list to launch if default doesn't exist
-   INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
+    INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
 fi
 
 # Clean-up from previous runs
@@ -168,7 +168,7 @@
     # list floating addresses
     if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! nova floating-ip-list | grep $TEST_FLOATING_POOL | grep -q $TEST_FLOATING_IP; do sleep 1; done"; then
         die $LINENO "Floating IP not allocated"
-     fi
+    fi
 fi
 
 # Dis-allow icmp traffic (ping)
diff --git a/exercises/neutron-adv-test.sh b/exercises/neutron-adv-test.sh
index e0c37ef..7dfa5dc 100755
--- a/exercises/neutron-adv-test.sh
+++ b/exercises/neutron-adv-test.sh
@@ -273,12 +273,12 @@
 }
 
 function ping_ip {
-     # Test agent connection.  Assumes namespaces are disabled, and
-     # that DHCP is in use, but not L3
-     local VM_NAME=$1
-     local NET_NAME=$2
-     IP=$(get_instance_ip $VM_NAME $NET_NAME)
-     ping_check $NET_NAME $IP $BOOT_TIMEOUT
+    # Test agent connection.  Assumes namespaces are disabled, and
+    # that DHCP is in use, but not L3
+    local VM_NAME=$1
+    local NET_NAME=$2
+    IP=$(get_instance_ip $VM_NAME $NET_NAME)
+    ping_check $NET_NAME $IP $BOOT_TIMEOUT
 }
 
 function check_vm {
@@ -330,12 +330,12 @@
 }
 
 function delete_networks {
-   foreach_tenant_net 'delete_network ${%TENANT%_NAME} %NUM%'
-   #TODO(nati) add secuirty group check after it is implemented
-   # source $TOP_DIR/openrc demo1 demo1
-   # nova secgroup-delete-rule default icmp -1 -1 0.0.0.0/0
-   # source $TOP_DIR/openrc demo2 demo2
-   # nova secgroup-delete-rule default icmp -1 -1 0.0.0.0/0
+    foreach_tenant_net 'delete_network ${%TENANT%_NAME} %NUM%'
+    # TODO(nati) add secuirty group check after it is implemented
+    # source $TOP_DIR/openrc demo1 demo1
+    # nova secgroup-delete-rule default icmp -1 -1 0.0.0.0/0
+    # source $TOP_DIR/openrc demo2 demo2
+    # nova secgroup-delete-rule default icmp -1 -1 0.0.0.0/0
 }
 
 function create_all {
diff --git a/exercises/volumes.sh b/exercises/volumes.sh
index e536d16..9ee9fa9 100755
--- a/exercises/volumes.sh
+++ b/exercises/volumes.sh
@@ -117,7 +117,7 @@
 INSTANCE_TYPE=$(nova flavor-list | grep $DEFAULT_INSTANCE_TYPE | get_field 1)
 if [[ -z "$INSTANCE_TYPE" ]]; then
     # grab the first flavor in the list to launch if default doesn't exist
-   INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
+    INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
 fi
 
 # Clean-up from previous runs