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diff --git a/ansible/roles/infra_rampup_stack_nodes/tasks/update_conf_files.yml b/ansible/roles/infra_rampup_stack_nodes/tasks/update_conf_files.yml
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+# Copyright (c) 2018 Intel Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+- name: Set hostname
+  shell: hostname {{ ansible_hostname }}
+
+- name: Delete hosts between markers
+  blockinfile:
+    path: /etc/hosts
+    marker: "# {mark} generated hosts file"
+    content: ""
+
+- set_fact:
+    block_str: "{{ block_str | default('') + hostvars[item].host_ip + ' ' + hostvars[item].ansible_host + '\n'}}"
+  with_items: "{{ groups['ostack'] }}"
+
+- name: Update /etc/hosts
+  blockinfile:
+    path: /etc/hosts
+    block: |
+      {{ block_str }}
+    marker: "# {mark} generated hosts file"
+
+- name: Update /etc/hosts
+  lineinfile:
+    path: /etc/hosts
+    regexp: ".*{{ hostvars[groups['jumphost'][0]].proxy_host }}.*"
+    line: "{{ hostvars[groups['jumphost'][0]].proxy_host_ip }} {{ hostvars[groups['jumphost'][0]].proxy_host }}"
+
+- name: Turn off IPv6
+  lineinfile:
+    path: /etc/sysctl.conf
+    regexp: '^{{ item }}.*'
+    line: "{{ item }} = 1"
+  with_items:
+    - 'net.ipv6.conf.all.disable_ipv6'
+    - 'net.ipv6.conf.default.disable_ipv6'
+    - 'net.ipv6.conf.lo.disable_ipv6'
+
+- name: Update IP configuration
+  shell: sysctl -p
+
+- name: Update resolv.conf
+  shell: echo "{{ 'nameserver ' + hostvars[ansible_host].ansible_default_ipv4.gateway }}" > /etc/resolvconf/resolv.conf.d/base
+
+- name: Update name servers
+  shell: resolvconf -u
+
+- name: Update /etc/environment
+  lineinfile:
+    path: /etc/environment
+    regexp: "{{ item.find }}"
+    line: "{{ item.add }}"
+  with_items:
+   - { find: 'http_proxy=', add: "{{ 'export http_proxy=' + lookup('env', 'http_proxy') }}" }
+   - { find: 'https_proxy=', add: "{{ 'export https_proxy=' + lookup('env', 'https_proxy') }}" }
+   - { find: 'ftp_proxy=', add: "{{ 'export ftp_proxy=' + lookup('env', 'ftp_proxy') }}" }
+   - { find: 'no_proxy=', add: "{{ 'export no_proxy=' + lookup('env', 'no_proxy') + ',' + ansible_host + ',' + hostvars[ansible_host].ansible_default_ipv4.address }}" }