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---
# NOTE(vponomar): here we use 2 different sources of IP addresses:
# 1) hostvars[item].guest.net exists for old nodes, that haven't been created
# with this playbook run. Such nodes have detailed info in hostvars.
# 2) hostvars[item].ansible_ssh_host is always correct IP address for newly
# created nodes. For such nodes we pick it when variant 1 does not work.
- name: Save matched hosts to temporary var
set_fact:
current_cluster_hosts: "{{
current_cluster_hosts | default([]) | union([{
'name_short': hostvars[item].inventory_hostname_short,
'name': hostvars[item].inventory_hostname,
'net': (hostvars[item].guest | default({})).net | default(
[{'network': vm_network,
'ipaddress': [hostvars[item].ansible_ssh_host]}])
}]) }}"
with_items: "{{ groups.all | select('match', ocp_hostname_prefix) | list }}"
- name: Gather current cluster IP addresses
set_fact:
current_cluster_ips: "{{
current_cluster_ips | default({}) | combine({
(item.1.ipaddress | ipv4 | first): [item.0.name_short, item.0.name]
}) }}"
with_subelements: ["{{ current_cluster_hosts }}", net]
when: "item.1.network == vm_network"
- name: Get current user home dir
shell: 'eval echo "~$USER"'
register: home_dir
- name: Set hosts files paths
set_fact:
home_hosts_file: "{{ home_dir.stdout_lines[0] + '/.ssh/config' }}"
system_hosts_file: "/etc/hosts"
- name: Check 'write' permissions for system hosts file
stat:
path: "{{ system_hosts_file }}"
register: stat_system_hosts
- name: Update system hosts file if writeable
block:
- name: Delete old left-overs if exist
lineinfile:
dest: "{{ system_hosts_file }}"
regexp: '{{ item.name_short }}'
state: absent
create: true
with_items: "{{ current_cluster_hosts }}"
- name: Add domain name mapping of new cluster nodes to the system hosts file
lineinfile:
dest: "{{ system_hosts_file }}"
line: '{{ item.key }} {{ item.value.0 }} {{ item.value.1 }}'
create: true
with_dict: "{{ current_cluster_ips }}"
when: "stat_system_hosts.stat.writeable"
- name: Update user's SSH hosts file
block:
- name: Delete old left-overs if exist
lineinfile:
path: "{{ home_hosts_file }}"
state: absent
regexp: "{{ item.key }}"
create: true
mode: '644'
with_dict: "{{ current_cluster_ips }}"
- name: Write line with option group
lineinfile:
dest: "{{ home_hosts_file }}"
state: present
line: "Host {{ item.value.0 }} {{ item.value.1 }}"
create: true
mode: '644'
with_dict: "{{ current_cluster_ips }}"
- name: Write line with hostname option
lineinfile:
dest: "{{ home_hosts_file }}"
state: present
line: " HostName {{ item.key }}"
insertafter: "Host {{ item.value.0 }} {{ item.value.1 }}"
create: true
mode: '644'
with_dict: "{{ current_cluster_ips }}"
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