Get rid of usage of stackuser element on the undercloud and overcloud. Use

local-config for the undercloud image in a virt setup instead. That will allow
ssh'ing as root to the instack vm, and then su'ing to the stack user.

elements/instack-vm/element-deps

@@ -1,2 +1,2 @@
-stackuser
 vm
+local-config

elements/instack-vm/install.d/51-instack-files

@@ -5,6 +5,15 @@ set -o pipefail
 
 install-packages net-tools yum-utils git
 
+useradd -m stack
+
+cat > /etc/sudoers.d/stack <<eof
+stack ALL=(ALL) NOPASSWD:ALL
+eof
+
+chmod 0440 /etc/sudoers.d/stack
+visudo -c
+
 mkdir -p /home/stack/.ssh
 cp /tmp/in_target.d/id_rsa_virt_power /home/stack/.ssh/id_rsa_virt_power
 cp /tmp/in_target.d/id_rsa_virt_power.pub /home/stack/.ssh/id_rsa_virt_power.pub
@@ -13,4 +22,3 @@ cp /tmp/in_target.d/instack.answers.sample /home/stack/instack.answers
 cp /tmp/in_target.d/$TE_DATAFILE /home/stack/instackenv.json
 
 chown -R stack:stack /home/stack
-

scripts/instack-build-images

@@ -82,7 +82,6 @@ pip-cache \
 rabbitmq-server \
 snmpd \
 stable-interface-names \
-stackuser \
 swift-proxy \
 swift-storage \
 use-ephemeral \
@@ -105,7 +104,6 @@ pip-cache \
 pypi-openstack \
 snmpd \
 stable-interface-names \
-stackuser \
 use-ephemeral \
 sysctl \
 "}
@@ -124,7 +122,6 @@ pip-cache \
 pypi-openstack \
 snmpd \
 stable-interface-names \
-stackuser \
 use-ephemeral \
 sysctl \
 "}
@@ -141,7 +138,6 @@ dhcp-all-interfaces \
 hosts \
 ntp \
 snmpd \
-stackuser \
 stable-interface-names \
 use-ephemeral \
 os-refresh-config-reboot \

scripts/instack-virt-setup

@@ -103,6 +103,10 @@ while true; do
     IP=$(cat /var/lib/libvirt/dnsmasq/default.leases | grep $(tripleo get-vm-mac $UNDERCLOUD_VM_NAME) | awk '{print $3;}')
     if [ -n "$IP" ]; then
         echo "$UNDERCLOUD_VM_NAME vm IP address is $IP"
+        echo "You can connect by running:"
+        echo "ssh root@$IP"
+        echo "And then su to the stack user:"
+        echo "su - stack"
         break
     fi
     sleep 3