Make the scripts more bulletproof

Author: cityofships

elements/centos-kmods-sig/install.d/95-kmods-sig-packages

@@ -1,5 +1,7 @@
 #!/bin/bash -lv
 
+set -euo pipefail
+
 if [[ ${DISTRO_NAME} == centos && -n ${DIB_CENTOS_KMODS_PKGLIST} ]]; then
     dnf install -y ${DIB_CENTOS_KMODS_PKGLIST}
 else

elements/centos-kmods-sig/pre-install.d/01-kmods-sig-repo

@@ -1,5 +1,7 @@
 #!/bin/bash -lv
 
+set -euo pipefail
+
 case "$DISTRO_NAME" in
     centos* )
 

elements/dhcp-on/install.d/95-dhcp-on

@@ -1,11 +1,13 @@
 #!/bin/bash
 
+set -euo pipefail
+
 if [ ! -d /etc/sysconfig/network-scripts ]
 then
     return -1
 fi
 
-# If there is no existing network configuration for the given device, 
+# If there is no existing network configuration for the given device,
 # create a catch-all DHCP configuration for this network interface.
 if [ ! -e /etc/sysconfig/network-scripts/ifcfg-$DHCP_ON_DEV ]
 then

elements/dhcp-on/post-install.d/95-dhcp-on

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -euo pipefail
+
 # Purge the cloud image default network configuration
 if [ "$DHCP_ON_DEV" != "eth0" ]
 then

elements/elrepo/install.d/95-elrepo-packages

@@ -1,5 +1,7 @@
 #!/bin/bash -lv
 
+set -euo pipefail
+
 if [[ ${DISTRO_NAME} =~ (centos|rhel) && -n ${DIB_ELREPO_PKGLIST} ]]; then
     dnf install -y "${DIB_ELREPO_PKGLIST}"
 else

elements/elrepo/pre-install.d/01-elrepo

@@ -1,5 +1,7 @@
 #!/bin/bash -lv
 
+set -euo pipefail
+
 case "$DISTRO_NAME" in
     centos* | rhel*)
 	rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

elements/nvidia-cuda/install.d/95-nvidia-cuda

@@ -1,5 +1,7 @@
 #!/bin/bash -lv
 
+set -euo pipefail
+
 case "$DISTRO_NAME" in
     centos* | rhel*)
 	KERNEL_VERSION=$(ls /boot/vmlinuz*x86_64 | sort -n | tail -n1 | cut -d'-' -f2-)

elements/nvidia-cuda/post-install.d/95-nvidia-cuda

@@ -1,5 +1,7 @@
 #!/bin/bash -lv
 
+set -euo pipefail
+
 if [ "$NVIDIA_CUDA_DELETE_REPO" = "y" -o "$NVIDIA_CUDA_DELETE_REPO" = "Y" ]
 then
     case "$DISTRO_NAME" in

elements/nvidia-cuda/pre-install.d/01-nvidia-cuda-repo

@@ -1,5 +1,7 @@
 #!/bin/bash -lv
 
+set -euo pipefail
+
 case "$DISTRO_NAME" in
     centos* | rhel*)
 	yum install -y ${NVIDIA_CUDA_REPO}/cuda-repo-${NVIDIA_CUDA_DISTRO}-${NVIDIA_CUDA_VERSION}.x86_64.rpm