-pip install -q --upgrade pip
-pip --version
-pip install -q docker-py importlib requests scapy netifaces netaddr ipaddr
-pip install -q robotframework{,-{httplibrary,requests,sshlibrary,selenium2library}}
-# jsonpath is needed by current AAA idmlite suite
-pip install -q --allow-external jsonpath --allow-unverified jsonpath jsonpath
+
+set -exu
+
+# Make sure pip itself us up-to-date.
+pip install --upgrade pip
+
+pip install --upgrade docker-py importlib requests scapy netifaces netaddr ipaddr
+pip install --upgrade robotframework{,-{httplibrary,requests,sshlibrary,selenium2library}}
+
+# Module jsonpath is needed by current AAA idmlite suite.
+pip install --upgrade jsonpath-rw
+
+# Modules for longevity framework robot library
+pip install elasticsearch==1.7.0 elasticsearch-dsl==0.0.11
+
+# Module for pyangbind used by lispflowmapping project
+pip install pyangbind==0.5.6
+
+# Print installed versions.
+pip freeze