134 lines
3.6 KiB
YAML
134 lines
3.6 KiB
YAML
---
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- name: ensure dnsmasq.d directory exists
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file:
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path: /etc/dnsmasq.d
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state: directory
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- name: ensure dnsmasq.d-available directory exists
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file:
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path: /etc/dnsmasq.d-available
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state: directory
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- name: Write dnsmasq configuration
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template:
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src: 01-kube-dns.conf.j2
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dest: /etc/dnsmasq.d-available/01-kube-dns.conf
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mode: 0755
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backup: yes
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- name: Stat dnsmasq configuration
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stat: path=/etc/dnsmasq.d/01-kube-dns.conf
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register: sym
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- name: Move previous configuration
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command: mv /etc/dnsmasq.d/01-kube-dns.conf /etc/dnsmasq.d-available/01-kube-dns.conf.bak
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changed_when: False
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when: sym.stat.islnk is defined and sym.stat.islnk == False
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- name: Enable dnsmasq configuration
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file:
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src: /etc/dnsmasq.d-available/01-kube-dns.conf
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dest: /etc/dnsmasq.d/01-kube-dns.conf
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state: link
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- name: Create dnsmasq manifests
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template: src={{item.file}} dest=/etc/kubernetes/{{item.file}}
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with_items:
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- {file: dnsmasq-ds.yml, type: ds}
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- {file: dnsmasq-svc.yml, type: svc}
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register: manifests
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when: inventory_hostname == groups['kube-master'][0]
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- name: Start Resources
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kube:
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name: dnsmasq
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namespace: kube-system
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kubectl: "{{bin_dir}}/kubectl"
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resource: "{{item.item.type}}"
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filename: /etc/kubernetes/{{item.item.file}}
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state: "{{item.changed | ternary('latest','present') }}"
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with_items: "{{ manifests.results }}"
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when: inventory_hostname == groups['kube-master'][0]
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- name: Check for dnsmasq port (pulling image and running container)
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wait_for:
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host: "{{dns_server}}"
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port: 53
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delay: 5
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when: inventory_hostname == groups['kube-node'][0]
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- name: check resolvconf
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shell: which resolvconf
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register: resolvconf
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ignore_errors: yes
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- name: target resolv.conf file
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set_fact:
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resolvconffile: >-
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{%- if resolvconf.rc == 0 -%}/etc/resolvconf/resolv.conf.d/head{%- else -%}/etc/resolv.conf{%- endif -%}
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- name: generate search domains to resolvconf
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set_fact:
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searchentries="{{ ([ 'default.svc.' + dns_domain, 'svc.' + dns_domain ] + searchdomains|default([])) | join(' ') }}"
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- name: generate nameservers to resolvconf
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set_fact:
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nameserverentries="{{ nameservers|default([]) + [ dns_server ] }}"
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- name: Add search resolv.conf
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lineinfile:
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line: "search {{searchentries}}"
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dest: "{{resolvconffile}}"
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state: present
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insertbefore: BOF
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backup: yes
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follow: yes
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- name: Add local dnsmasq to resolv.conf
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blockinfile:
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dest: "{{resolvconffile}}"
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block: |-
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{% for item in nameserverentries -%}
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nameserver {{ item }}
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{% endfor %}
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state: present
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create: yes
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backup: yes
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follow: yes
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marker: "# Ansible nameservers {mark}"
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- name: Add options to resolv.conf
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lineinfile:
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line: options {{ item }}
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dest: "{{resolvconffile}}"
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state: present
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regexp: "^options.*{{ item }}$"
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insertafter: EOF
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backup: yes
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follow: yes
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with_items:
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- timeout:2
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- attempts:2
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- name: Remove search and nameserver options from resolvconf base
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lineinfile:
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dest: /etc/resolvconf/resolv.conf.d/base
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state: absent
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regexp: "^{{ item }}.*$"
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backup: yes
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follow: yes
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with_items:
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- search
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- nameserver
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when: resolvconf.rc == 0
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- name: disable resolv.conf modification by dhclient
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copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient-enter-hooks.d/znodnsupdate mode=0755
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notify: Dnsmasq | restart network
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when: ansible_os_family == "Debian"
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- name: disable resolv.conf modification by dhclient
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copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient.d/nodnsupdate mode=u+x
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notify: Dnsmasq | restart network
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when: ansible_os_family == "RedHat"
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