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Make spliting system_search_domains more robust

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The search line in /etc/resolv.conf could have
multiple spaces or tabs between domains.
split(' ') will give wrong results in some case,
use split() without argument instead.

e.g.
>>> 'domain.tld	cluster.tld '.split(' ')
['domain.tld\tcluster.tld', '']
>>> 'domain.tld cluster.tld '.split()
['domain.tld', 'cluster.tld']
This commit is contained in:
Fang Zhen
2017-12-13 15:39:38 +08:00
parent 39ce1bd8be
commit 91d848f98a
1 changed files with 1 additions and 1 deletions
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2
roles/docker/tasks/set_facts_dns.yml
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@@ -47,7 +47,7 @@
- name: add system search domains to docker options
set_fact:
docker_dns_search_domains: "{{ docker_dns_search_domains | union(system_search_domains.stdout.split(' ')|default([])) | unique }}"
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