977f82c32c
Rename nodnsupdate hook the resolvconf hook to be sourced always before it. Ensure dhclient restarted via network restart to apply the nodnsupdate hook. Ensure additional nameserver/search, if defined as vars. Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
126 lines
3.4 KiB
YAML
126 lines
3.4 KiB
YAML
---
|
|
- name: ensure dnsmasq.d directory exists
|
|
file:
|
|
path: /etc/dnsmasq.d
|
|
state: directory
|
|
|
|
- name: ensure dnsmasq.d-available directory exists
|
|
file:
|
|
path: /etc/dnsmasq.d-available
|
|
state: directory
|
|
|
|
- name: Write dnsmasq configuration
|
|
template:
|
|
src: 01-kube-dns.conf.j2
|
|
dest: /etc/dnsmasq.d-available/01-kube-dns.conf
|
|
mode: 0755
|
|
backup: yes
|
|
|
|
- name: Stat dnsmasq configuration
|
|
stat: path=/etc/dnsmasq.d/01-kube-dns.conf
|
|
register: sym
|
|
|
|
- name: Move previous configuration
|
|
command: mv /etc/dnsmasq.d/01-kube-dns.conf /etc/dnsmasq.d-available/01-kube-dns.conf.bak
|
|
changed_when: False
|
|
when: sym.stat.islnk is defined and sym.stat.islnk == False
|
|
|
|
- name: Enable dnsmasq configuration
|
|
file:
|
|
src: /etc/dnsmasq.d-available/01-kube-dns.conf
|
|
dest: /etc/dnsmasq.d/01-kube-dns.conf
|
|
state: link
|
|
|
|
- name: Create dnsmasq manifests
|
|
template: src={{item.file}} dest=/etc/kubernetes/{{item.file}}
|
|
with_items:
|
|
- {file: dnsmasq-ds.yml, type: ds}
|
|
- {file: dnsmasq-svc.yml, type: svc}
|
|
register: manifests
|
|
when: inventory_hostname == groups['kube-master'][0]
|
|
|
|
- name: Start Resources
|
|
kube:
|
|
name: dnsmasq
|
|
namespace: kube-system
|
|
kubectl: "{{bin_dir}}/kubectl"
|
|
resource: "{{item.item.type}}"
|
|
filename: /etc/kubernetes/{{item.item.file}}
|
|
state: "{{item.changed | ternary('latest','present') }}"
|
|
with_items: "{{ manifests.results }}"
|
|
when: inventory_hostname == groups['kube-master'][0]
|
|
|
|
- name: Check for dnsmasq port (pulling image and running container)
|
|
wait_for:
|
|
host: "{{dns_server}}"
|
|
port: 53
|
|
delay: 5
|
|
when: inventory_hostname == groups['kube-node'][0]
|
|
|
|
|
|
- name: check resolvconf
|
|
shell: which resolvconf
|
|
register: resolvconf
|
|
ignore_errors: yes
|
|
|
|
- name: target resolv.conf file
|
|
set_fact:
|
|
resolvconffile: >-
|
|
{%- if resolvconf.rc == 0 -%}/etc/resolvconf/resolv.conf.d/head{%- else -%}/etc/resolv.conf{%- endif -%}
|
|
|
|
- name: generate search domains to resolvconf
|
|
set_fact:
|
|
searchentries="{{ ([ 'default.svc.' + dns_domain, 'svc.' + dns_domain ] + searchdomains|default([])) | join(' ') }}"
|
|
|
|
- name: generate nameservers to resolvconf
|
|
set_fact:
|
|
nameserverentries="{{ nameservers|default([]) + [ dns_server ] }}"
|
|
|
|
- name: Add search resolv.conf
|
|
lineinfile:
|
|
line: "search {{searchentries}}"
|
|
dest: "{{resolvconffile}}"
|
|
state: present
|
|
insertbefore: BOF
|
|
backup: yes
|
|
follow: yes
|
|
|
|
- name: Add local dnsmasq to resolv.conf
|
|
lineinfile:
|
|
line: "nameserver {{item}}"
|
|
dest: "{{resolvconffile}}"
|
|
state: present
|
|
insertafter: "^search.*$"
|
|
backup: yes
|
|
follow: yes
|
|
with_items: "{{nameserverentries}}"
|
|
|
|
- name: Add options to resolv.conf
|
|
lineinfile:
|
|
line: options {{ item }}
|
|
dest: "{{resolvconffile}}"
|
|
state: present
|
|
regexp: "^options.*{{ item }}$"
|
|
insertafter: EOF
|
|
backup: yes
|
|
follow: yes
|
|
with_items:
|
|
- timeout:2
|
|
- attempts:2
|
|
|
|
- name: disable resolv.conf modification by dhclient
|
|
copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient-enter-hooks.d/znodnsupdate mode=0755 backup=yes
|
|
notify: Dnsmasq | restart network
|
|
when: ansible_os_family == "Debian"
|
|
|
|
- name: disable resolv.conf modification by dhclient
|
|
copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient.d/znodnsupdate mode=u+x backup=yes
|
|
notify: Dnsmasq | restart network
|
|
when: ansible_os_family == "RedHat"
|
|
|
|
- name: update resolvconf
|
|
command: resolvconf -u
|
|
changed_when: False
|
|
when: resolvconf.rc == 0
|
|
|
|
- meta: flush_handlers
|