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Optionally add hostnames to known_hosts

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This commit is contained in:
Alexander Weidinger
2017-08-08 07:51:38 +02:00
parent 75e582a7bc
commit e523ae5281
2 changed files with 27 additions and 0 deletions
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openssh/files/ssh_known_hosts
+16
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@@ -13,6 +13,18 @@
{#- If there are none, the host is used directly. #}
{%- set names = [host_names.get(host, host)] -%}
{#- Extract the hostname from the FQDN and add it to the names. #}
{%- if use_hostnames is iterable -%}
{%- for name in names | sort -%}
{%- if salt["match.{}".format(hostnames_expr_form)](hostnames_target, minion_id=name) -%}
{%- set hostname = name.split('.')|first -%}
{%- if hostname not in names -%}
{%- do names.append(hostname) -%}
{%- endif -%}
{%- endif -%}
{%- endfor -%}
{%- endif -%}
{#- Append IP addresses and aliases (if they are not already present) #}
{%- for ip in (ip4 + ip6)|sort -%}
{%- do names.append(ip) -%}
@@ -36,6 +48,10 @@
{%- set expr_form = salt['pillar.get']('openssh:known_hosts:expr_form', 'glob') -%}
{%- set keys_function = salt['pillar.get']('openssh:known_hosts:mine_keys_function', 'public_ssh_host_keys') -%}
{%- set hostname_function = salt['pillar.get']('openssh:known_hosts:mine_hostname_function', 'public_ssh_hostname') -%}
{%- set use_hostnames = salt['pillar.get']('openssh:known_hosts:hostnames', False) -%}
{%- set hostnames_target_default = '*' if grains['domain'] == '' else "*.{}".format(grains['domain']) -%}
{%- set hostnames_target = salt['pillar.get']('openssh:known_hosts:hostnames:target', hostnames_target_default) -%}
{%- set hostnames_expr_form = salt['pillar.get']('openssh:known_hosts:hostnames:expr_form', 'glob') -%}
{#- Lookup IP of all aliases so that when we have a matching IP, we inject the alias name
in the SSH known_hosts entry -#}