| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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: Check OS Version |
| fail: msg="Ambari HDP deployment supports CentOS 6 only." |
| when: (ansible_distribution != "CentOS" or ansible_distribution_major_version != "6") |
| |
| - include: passwd_less_ssh.yml |
| |
| - name: Ensure iptables is stopped and is not running at boot time. |
| ignore_errors: yes |
| service: name=iptables state=stopped enabled=no |
| |
| # |
| # ambari uses socket.getfqdn() to find the hostname. with 'localhost.localdomain' |
| # in '/etc/hosts' this function will report the hostname as 'localhost.localdomain' |
| # rather than 'node1' as would be expected. other functions like socket.gethostname() |
| # will always return 'node1' as expected. ambari needs to see 'node1' to be able to |
| # communicate between the master and agents. |
| |
| - name: Remove ipv4 'localhost.localdomain' from /etc/hosts |
| lineinfile: dest=/etc/hosts state=absent regexp="^127.0.0.1(.*)localdomain(.*)$" |
| |
| - name: Remove ipv6 'localhost.localdomain' from /etc/hosts |
| lineinfile: dest=/etc/hosts state=absent regexp="^::1(.*)localdomain(.*)$" |
| |
| - name: Add localhost to /etc/hosts |
| lineinfile: dest=/etc/hosts line="127.0.0.1 localhost" |
| |
| - name: Download Ambari repo |
| get_url: url="{{ rhel_ambari_install_url }}" dest=/etc/yum.repos.d/ambari.repo |
| |