Install linux_crashdump and update grub file

Also, reboot the compute node even when running in container mode.

Change-Id: I1dca538ed21e78fc360842f24a26decefdc42221
partial-bug: #1694216

playbooks/roles/node/tasks/agent.yml

@@ -81,6 +81,21 @@
 - name: Create /var/crash on host for kernel dump
   file: path=/var/crash state=directory mode=777
 
+- name: Install kernel crashdump
+  package: name=linux-crashdump state=present
+
+- name: Update the grub configuration for ubuntu 16.04
+  shell: 'sudo sed -i "s/crashkernel=.*\([ | \"]\)/crashkernel=384M-2G:64M,2G-16G:128M,16G-:256M\1/g" /etc/default/grub.d/kexec-tools.cfg; sudo update-grub'
+  when:
+    - ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'
+    - ansible_distribution_version == '16.04'
+
+- name: Update the grub configuration for ubuntu 14.04
+  shell: 'sudo sed -i "s/crashkernel=.*\([ | \"]\)/crashkernel=384M-2G:64M,2G-16G:128M,16G-:256M\1/g" /etc/default/grub.d/kexec-tools.cfg; [ -f /etc/default/kdump-tools ] &&      sudo sed -i "s/USE_KDUMP=0/USE_KDUMP=1/" /etc/default/kdump-tools; sudo update-grub'
+  when:
+    - ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'
+    - ansible_distribution_version == '14.04'
+
 - name: "Start contrail agent container (non-kubernetes)"
   docker_container:
     name: agent

playbooks/site.yml

@@ -68,12 +68,12 @@
       poll: 0
       sudo: true
       ignore_errors: true
-      when: contrail_compute_mode == 'bare_metal'
+      when: contrail_compute_mode == 'bare_metal' or contrail_compute_mode == 'container'
 
     - name: Waiting for server to come back
       local_action: wait_for port=22 host={{ inventory_hostname }} state=started delay=30 timeout=600
       sudo: false
-      when: contrail_compute_mode == 'bare_metal'
+      when: contrail_compute_mode == 'bare_metal' or contrail_compute_mode == 'container'
 
 - name: Setup ceph compute node
   hosts: ceph-compute