c12s-kubespray/roles/kubernetes/preinstall/tasks/set_resolv_facts.yml
Andrew Greenwood ca9ea097df Cleanup legacy syntax, spacing, files all to yml
Migrate older inline= syntax to pure yml syntax for module args as to be consistant with most of the rest of the tasks
Cleanup some spacing in various files
Rename some files named yaml to yml for consistancy
2017-02-17 16:22:34 -05:00

103 lines
3.4 KiB
YAML

---
- name: check resolvconf
shell: which resolvconf
register: resolvconf
failed_when: false
changed_when: false
check_mode: no
- set_fact:
resolvconf: >-
{%- if resolvconf.rc == 0 -%}true{%- else -%}false{%- endif -%}
- set_fact:
bogus_domains: |-
{% for d in [ 'default.svc.' + dns_domain, 'svc.' + dns_domain ] + searchdomains|default([]) -%}
{{dns_domain}}.{{d}}./{{d}}.{{d}}./com.{{d}}./
{%- endfor %}
default_resolver: >-
{%- if cloud_provider is defined and cloud_provider == 'gce' -%}169.254.169.254{%- else -%}8.8.8.8{%- endif -%}
- name: check if kubelet is configured
stat:
path: "{{ kube_config_dir }}/kubelet.env"
register: kubelet_configured
changed_when: false
- name: check if early DNS configuration stage
set_fact:
dns_early: >-
{%- if kubelet_configured.stat.exists -%}false{%- else -%}true{%- endif -%}
- name: target resolv.conf files
set_fact:
resolvconffile: /etc/resolv.conf
base: >-
{%- if resolvconf|bool -%}/etc/resolvconf/resolv.conf.d/base{%- endif -%}
head: >-
{%- if resolvconf|bool -%}/etc/resolvconf/resolv.conf.d/head{%- endif -%}
when: not ansible_os_family in ["CoreOS", "Container Linux by CoreOS"]
- name: target temporary resolvconf cloud init file (Container Linux by CoreOS)
set_fact:
resolvconffile: /tmp/resolveconf_cloud_init_conf
when: ansible_os_family in ["CoreOS", "Container Linux by CoreOS"]
- name: check if /etc/dhclient.conf exists
stat:
path: /etc/dhclient.conf
register: dhclient_stat
- name: target dhclient conf file for /etc/dhclient.conf
set_fact:
dhclientconffile: /etc/dhclient.conf
when: dhclient_stat.stat.exists
- name: check if /etc/dhcp/dhclient.conf exists
stat:
path: /etc/dhcp/dhclient.conf
register: dhcp_dhclient_stat
- name: target dhclient conf file for /etc/dhcp/dhclient.conf
set_fact:
dhclientconffile: /etc/dhcp/dhclient.conf
when: dhcp_dhclient_stat.stat.exists
- name: target dhclient hook file for Red Hat family
set_fact:
dhclienthookfile: /etc/dhcp/dhclient.d/zdnsupdate.sh
when: ansible_os_family == "RedHat"
- name: target dhclient hook file for Debian family
set_fact:
dhclienthookfile: /etc/dhcp/dhclient-exit-hooks.d/zdnsupdate
when: ansible_os_family == "Debian"
- name: generate search domains to resolvconf
set_fact:
searchentries:
search {{ ([ 'default.svc.' + dns_domain, 'svc.' + dns_domain ] + searchdomains|default([])) | join(' ') }}
domainentry:
domain {{ dns_domain }}
supersede_search:
supersede domain-search "{{ ([ 'default.svc.' + dns_domain, 'svc.' + dns_domain ] + searchdomains|default([])) | join('", "') }}";
supersede_domain:
supersede domain-name "{{ dns_domain }}";
- name: pick dnsmasq cluster IP or default resolver
set_fact:
dnsmasq_server: |-
{%- if dns_mode == 'kubedns' and not dns_early|bool -%}
{{ [ skydns_server ] + upstream_dns_servers|default([]) }}
{%- elif dns_early|bool -%}
{{ upstream_dns_servers|default([]) }}
{%- else -%}
{{ [ dns_server ] }}
{%- endif -%}
- name: generate nameservers to resolvconf
set_fact:
nameserverentries:
nameserver {{( dnsmasq_server + nameservers|default([default_resolver])) | join(',nameserver ')}}
supersede_nameserver:
supersede domain-name-servers {{( dnsmasq_server + nameservers|default([default_resolver])) | join(', ') }};