nfvbenchvm: add 2 debug features to build-image.sh

[nfvbench.git] / nfvbenchvm / dib / elements / nfvbenchvm / post-install.d / 53-sshd-script

diff --git a/nfvbenchvm/dib/elements/nfvbenchvm/post-install.d/53-sshd-script b/nfvbenchvm/dib/elements/nfvbenchvm/post-install.d/53-sshd-script
old mode 100644 (file)
new mode 100755 (executable)
index 64e8877..0c7dfd5
--- a/nfvbenchvm/dib/elements/nfvbenchvm/post-install.d/53-sshd-script
+++ b/nfvbenchvm/dib/elements/nfvbenchvm/post-install.d/53-sshd-script
@@ -1,4 +1,11 @@
 #!/bin/bash
 
+if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
+    set -x
+fi
+
+# Stop on error
+set -euo pipefail
+
 # Set UseDNS no value in sshd_config to reduce time to connect
-echo "UseDNS no" >> /etc/ssh/sshd_config
\ No newline at end of file
+echo "UseDNS no" >> /etc/ssh/sshd_config