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iiab-support: Emulate Ansible & /etc/openvpn/scripts/announcer

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A Holt 2021-08-20 05:58:24 -04:00 committed by GitHub
parent 5fcc91988c
commit 5de9073d48
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1 changed files with 11 additions and 6 deletions
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roles/openvpn/templates/iiab-support
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@ -13,11 +13,16 @@ DEBUG=false # Using /usr/bin/true or /usr/bin/false
# PARSE local_vars.yml JUST AS Ansible & /etc/openvpn/scripts/announcer DO:
# (1) In case var's defined multiple times, 'tail 1' takes the last assignment.
# (2) sed: Strip 'varname:\s' on left.
# (3) sed: Strip '# comment' on right. Optional on live/keyboard input.
# (4) sed: Strip any outer spacing, as Ansible would do. Optional on live input.
# (5) sed: Strip up-to-1 pair of matching outer quotes, as Ansible would do.
# (6) Convert remaining spaces to underscores, just as 'announcer' does.
# (2) sed: Strip 'varname:\s' on left. Not applicable for live/keyboard input.
# (3) sed: Strip '#comment' on right.
# (4) sed: Strip any outer spacing.
# (5) sed: Strip up-to-1 pair of matching outer quotes.
[*] Steps (1) and (2) are not applicable for live/keyboard input.
[*] Steps (3), (4) and (5) are optional for live/keyboard input (we do it!)
# /etc/openvpn/scripts/announcer ALSO GOES ONE STEP FURTHER THAN ANSIBLE:
# (6) Convert remaining spaces to underscores.
# NOTE Ansible vars can have non-string value null. This is different from
# undefined -- from Ansible's perspective -- SEE /opt/iiab/iiab/test.yml
@ -79,7 +84,7 @@ else
# NEXT 4 LINES AREN'T ESSENTIAL: but they allow user to type in a '# comment' for the right side of /etc/iiab/local_vars.yml
# (3) sed: Strip '# comment' on right.
# (3) sed: Strip '# comment' on right, as Ansible would do.
ans=$(echo "$ans" | sed "s/#.*//") # Double quote var to prevent field splitting (eats spaces)
# (4) sed: Strip any outer spacing, as Ansible would do.
ans=$(echo "$ans" | sed "s/^\s*//; s/\s*$//") # Code Safety: lstrip not nec, given "read" command above, but one day $ans might arise from elsewhere