Excluding String in Jinja2 Template

[do...@physbio-tech.net]

Hi 

Over IRC Brian was very helpful last night resolving an issue.

To summarize this now works:

{% if inventory_hostname in groups.lab %}

# Lab SSH Rules

{% for host in groups.lab %}

-A INPUT -s {{ lookup('dig', host, '@dns_server')}} -p tcp -m state --state NEW -m tcp --dport 22 -m comment --comment "ssh from {{ host }}" -j ACCEPT

{% endfor %}

{% endif %}

Though I want to exclude some servers in groups.lab from being included in template.   Luckily those I want to exclude contain a particular string which matches subdomain.

So could I use a regex search filter to exclude any server that contains such string?

Eg:

{% if inventory_hostname in groups.lab |  regex_search('(!string)') %}

Thanks!

Doug

[Douglas Duckworth]

Thanks to halberom on IRC!

This works:

{% for host in groups.lab if 'string' not in host %}

I am using something similar to deploy sssd.conf on our compute nodes:

[domain/LDAP]

autofs_provider = ldap

{%if 'dude' in inventory_hostname %}

ldap_autofs_search_base = ou=autofs.maps,cn=dudecluster,ou=blah,dc=domain

{%endif%}

{%if 'bro' in inventory_hostname %}

ldap_autofs_search_base = ou=autofs.maps,cn=brocluster,ou=blah,dc=domain

{%endif%}

Though I didn't know you could add an if within for loop without doing:

{% if %}

{% for %}

{% endfor %} 

{% endif %}

Thanks a lot!

Doug

Thanks,

Douglas Duckworth, MSc, LFCS
HPC System Administrator

Physiology and Biophysics

Weill Cornell Medicine

E: dod...@med.cornell.edu
O: 212-746-5454
F: 212-746-8690

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