lmn-client/tools/emitter
2023-12-21 22:37:02 +01:00

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2.3 KiB
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Executable file

#!/usr/bin/bash
set -eu
## maximal age of file in minutes:
age="15"
pbook="lmn-client"
logdir="/tmp/collector"
debug=false
## date of latest git commit in ansible repository:
git_date="$(date --iso-8601=seconds --date="$(git log --date=iso-strict | \
head -3 | sed -nE "s/^Date:\s+(.+)$/\1/p")")"
#dir="$(mktemp -d)"
dir="/tmp/emitter"
mkdir -vp "$dir"
touch "$dir/${git_date//T*/}"
hlist=""
n=0
find_outdated(){
hlist=""
n=0
while IFS= read -r -d '' file ; do
$debug && echo -n "Processing host '$file' with IP address "
d="$(sed -nE "s/\s+drwx.+([0-9]{4}-[0-9]{2}-[0-9]{2} \S+).*/\1/p" "$file" | head -1)"
if [[ -z "$d" ]] || [[ $(date --date="$d" +%s) -lt $(date --date="$git_date" +%s) ]] ; then
r='([0-9]{1,3}\.){3}[0-9]{1,3}'
ipa="$(sed -nE "s|^\s+default via.+ src ($r) metric.+|\1|p" "$file")"
if [[ -z "$ipa" ]] ; then
# FIXME: Outdated report format, trying fallback:
ipa="$(grep -E "\s+2: en" -A3 "$file" | \
sed -nE "s|.+inet (10\.190\.[[:digit:]]{1,3}\.[[:digit:]]{1,3})/.+|\1|p")"
fi
$debug && echo "'$ipa'."
if ! grep -q "$ipa" "$dir/${git_date//T*/}" ; then
echo "$ipa" >> "$dir/${git_date//T*/}"
hlist="$hlist,$ipa"
n=$(( n + 1 ))
else
$debug && echo "Host already processed before."
fi
fi
done < <(find "$logdir" -maxdepth 1 -type f -mmin -$age -print0)
hlist="${hlist//^,/}"
}
run_ansible(){
local hsts="$1"
if [[ -n "$hsts" ]] ; then
if ! echo | ANSIBLE_RETRY_FILES_ENABLED=1 \
ANSIBLE_RETRY_FILES_SAVE_PATH="$dir" \
ansible-playbook --vault-password-file ~/.vaultpwd \
-bi inventory.yml "$pbook.yml" -l "$hsts" ; then
while IFS= read -r ipa ; do
sed -i "/$ipa/d" "$dir/${git_date//T*/}"
echo "IP address '$ipa' removed from '$dir/${git_date//T*/}'."
done < "$dir/$pbook.retry"
fi
fi
}
#################
while true ; do
date --rfc-3339=seconds
find_outdated
run_ansible "$hlist"
t=$(( 600/(n*n+1) ))
echo -n "Sleeping for $t seconds now ... "
sleep $t
done