John,
John Oliver schrieb (29.07.2014 19:38 Uhr):
Example:
password sufficient pam_unix.so shadow nullok try_first_pass
use_authtok
And I want to wind up with:
password sufficient pam_unix.so sha512 shadow nullok
try_first_pass use_authtok
And let's assume I don't know what might come after pam_unix.so, and
want to preserve whatever's there, and so can't just use line="string of
text"
Right now, I'd use 'command' or 'shell' to call sed or awk to accomplish
this. But is there a way to massage ansible into doing this?
The second last example for lineinfile does use regex with a backreference:
http://docs.ansible.com/lineinfile_module.html
"- lineinfile: dest=/opt/jboss-as/bin/standalone.conf
regexp='^(.*)Xms(\d+)m(.*)$' line='\1Xms${xms}m\3' backrefs=yes"
For a start something like:
regex='^password sufficient pam_unix.so (.*)' line='password
sufficient pam_unix.so sha512 \1' backrefs=yes
You may have to take care \1 does not contain "sha512", so .* may not be
safe enough.
Marc
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