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Fix docker dns host scenario with no search domains

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Fixes scenario where docker-dns.conf tries to create an empty
search entry
This commit is contained in:
Matthew Mosesohn 2017-01-09 15:46:05 +03:00
parent d296284bfa
commit 846b96efa1
1 changed files with 4 additions and 4 deletions
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8
roles/docker/tasks/set_facts_dns.yml
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@ -40,13 +40,13 @@
- name: add system nameservers to docker options
set_fact:
docker_dns_servers: "{{ docker_dns_servers + [item] }}"
with_items: "{{ system_nameservers.stdout_lines|default([]) }}"
docker_dns_servers: "{{ docker_dns_servers | union(system_nameservers.stdout_lines) | unique }}"
when: system_nameservers.stdout != ""
- name: add system search domains to docker options
set_fact:
docker_dns_search_domains: "{{ docker_dns_search_domains + [item] }}"
with_items: "{{ system_search_domains.stdout.split(' ') }}"
docker_dns_search_domains: "{{ docker_dns_search_domains | union(system_search_domains.stdout.split(' ')|default([])) | unique }}"
when: system_search_domains.stdout != ""
- name: check number of nameservers
fail: msg="Too many nameservers"