Modify cloud-init for virtual-mcp-trusty/sl-os templates

Change-Id: I14f6e531eaeb1b327fe6f75738ec6b82501d7de2
diff --git a/tcp_tests/templates/virtual-mcp-sl-os/underlay--user-data-cfg01.yaml b/tcp_tests/templates/virtual-mcp-sl-os/underlay--user-data-cfg01.yaml
index 600f6fb..a8afd05 100644
--- a/tcp_tests/templates/virtual-mcp-sl-os/underlay--user-data-cfg01.yaml
+++ b/tcp_tests/templates/virtual-mcp-sl-os/underlay--user-data-cfg01.yaml
@@ -18,8 +18,6 @@
    expire: False
 
   bootcmd:
-   # Block access to SSH while node is preparing
-   - cloud-init-per once sudo iptables -A INPUT -p tcp --dport 22 -j DROP
    # Enable root access
    - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config
    - service sshd restart
@@ -44,36 +42,18 @@
    - swapon /swapfile
    - echo "/swapfile   none    swap    defaults    0   0" >> /etc/fstab
 
-   ############## TCP Cloud cfg01 node ##################
-   #- sleep 120
-   - echo "Preparing base OS"
-
    - echo "nameserver 172.18.208.44" >> /etc/resolv.conf;
-   - which wget >/dev/null || (apt-get update; apt-get install -y wget);
 
-   # Configure Ubuntu mirrors
-   - echo "deb [arch=amd64] http://mirror.mirantis.com/{{ REPOSITORY_SUITE }}/ubuntu/ xenial main restricted universe" > /etc/apt/sources.list
-   - echo "deb [arch=amd64] http://mirror.mirantis.com/{{ REPOSITORY_SUITE }}/ubuntu/ xenial-updates main restricted universe" >> /etc/apt/sources.list
-   - echo "deb [arch=amd64] http://mirror.mirantis.com/{{ REPOSITORY_SUITE }}/ubuntu/ xenial-security main restricted universe" >> /etc/apt/sources.list
-
-   - echo "deb [arch=amd64] http://apt.mirantis.com/xenial {{ REPOSITORY_SUITE }} salt extra" > /etc/apt/sources.list.d/mcp_salt.list;
-   - wget -O - http://apt.mirantis.com/public.gpg | apt-key add -;
-   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }} xenial main" > /etc/apt/sources.list.d/saltstack.list;
-   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/{{ SALT_VERSION }}/SALTSTACK-GPG-KEY.pub | apt-key add -;
-
-   - apt-get clean
-   - apt-get update
-
-   # Install common packages
-   - eatmydata apt-get install -y python-pip git curl tmux byobu iputils-ping traceroute htop tree
-
-   ########################################################
-   # Node is ready, allow SSH access
-   - echo "Allow SSH access ..."
-   - sudo iptables -D INPUT -p tcp --dport 22 -j DROP
-   ########################################################
+   # Enable grub menu using updated config below
+   - update-grub
 
   write_files:
+   - path: /etc/default/grub.d/97-enable-grub-menu.cfg
+     content: |
+         GRUB_RECORDFAIL_TIMEOUT=30
+         GRUB_TIMEOUT=3
+         GRUB_TIMEOUT_STYLE=menu
+
    - path: /etc/network/interfaces
      content: |
           auto ens3
@@ -87,4 +67,4 @@
             ServerAliveInterval 300
             ServerAliveCountMax 10
             StrictHostKeyChecking no
-            UserKnownHostsFile /dev/null
+            UserKnownHostsFile /dev/null
\ No newline at end of file