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a7b0c454
Commit
a7b0c454
authored
6 years ago
by
Erwan Miran
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Localhost in hosts files should be updated (if necessary), not overriden
parent
73988585
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roles/kubernetes/preinstall/defaults/main.yml
+5
-0
5 additions, 0 deletions
roles/kubernetes/preinstall/defaults/main.yml
roles/kubernetes/preinstall/tasks/etchosts.yml
+43
-10
43 additions, 10 deletions
roles/kubernetes/preinstall/tasks/etchosts.yml
with
48 additions
and
10 deletions
roles/kubernetes/preinstall/defaults/main.yml
+
5
−
0
View file @
a7b0c454
...
...
@@ -33,3 +33,8 @@ populate_inventory_to_hosts_file: true
preinstall_selinux_state
:
permissive
sysctl_file_path
:
"
/etc/sysctl.d/99-sysctl.conf"
etc_hosts_filter
:
::1
:
-
localhost
-
localhost.localdomain
This diff is collapsed.
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roles/kubernetes/preinstall/tasks/etchosts.yml
+
43
−
10
View file @
a7b0c454
...
...
@@ -22,18 +22,51 @@
-
loadbalancer_apiserver is defined
-
loadbalancer_apiserver.address is defined
-
name
:
Hosts | localhost ipv4 in hosts file
lineinfile
:
dest
:
/etc/hosts
line
:
"
127.0.0.1
localhost
localhost.localdomain"
regexp
:
'
^127.0.0.1.*$'
state
:
present
backup
:
yes
-
name
:
Hosts | Retrieve hosts file content
slurp
:
src
:
/etc/hosts
register
:
etc_hosts_content
-
name
:
Hosts | Extract existing entries for localhost from hosts file
set_fact
:
entry
:
"
{{
item
|
regex_replace('[
]+',
'
')|regex_replace('#.+$')|trim
}}"
with_items
:
"
{{
(etc_hosts_content['content']
|
b64decode).split('
\n
')
}}"
register
:
etc_hosts_localhosts
when
:
-
etc_hosts_content.content is defined
-
(item|match('^::1 .*') or item|match('^127.0.0.1 .*'))
-
name
:
Hosts | Convert extract entries for localhost as dict
set_fact
:
etc_hosts_localhosts_dict
:
>-
{% set splitted = item.split(' ') %}{{ etc_hosts_localhosts_dict|default({}) | combine({splitted[0]: splitted[1::] }) }}
with_items
:
"
{{
etc_hosts_localhosts.results
|
selectattr('ansible_facts',
'defined')
|
map(attribute='ansible_facts.entry')
|
list
}}"
-
name
:
Hosts | Initiate target hosts file entries dict and filter unwanted values
set_fact
:
etc_hosts_localhosts_dict_target
:
>-
{%- set target_entries = [] -%}
{%- for entry in item.value -%}
{%- if entry not in etc_hosts_filter.get(item.key,[]) -%}
{%- set DO = target_entries.append(entry) -%}
{%- endif -%}
{%- endfor -%}
{{ etc_hosts_localhosts_dict_target|default({}) | combine({item.key: target_entries}) }}
with_dict
:
"
{{etc_hosts_localhosts_dict}}"
-
name
:
Hosts | Update target hosts file entries dict with required entries
set_fact
:
etc_hosts_localhosts_dict_target
:
>-
{{ etc_hosts_localhosts_dict_target|default({}) | combine({item.ip: (etc_hosts_localhosts_dict_target[item.ip]|default([]) + item.entries)|unique}) }}
with_items
:
-
{
ip
:
'
127.0.0.1'
,
entries
:
[
'
localhost'
,
'
localhost.localdomain'
]}
-
{
ip
:
'
::1'
,
entries
:
[
'
localhost6'
,
'
localhost6.localdomain'
]}
-
name
:
Hosts |
localhost ipv6 in
hosts file
-
name
:
Hosts |
Update (if necessary)
hosts file
lineinfile
:
dest
:
/etc/hosts
line
:
"
::1
localhost6
localhost6.localdomain
"
regexp
:
'
^::1
.*$
'
line
:
"
{{
item.key
}}
{{
item.value|join('
')
}}
"
regexp
:
"
^{{
item.key
}}
.*$
"
state
:
present
backup
:
yes
with_dict
:
"
{{
etc_hosts_localhosts_dict_target
}}"
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