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ssl-certificate-expiry: fix handling domains starting with digits

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resolves #1224
This commit is contained in:
Adam Mizerski 2021-07-12 09:54:09 +02:00 • committed by Lars Kruse
parent e794a441e4
commit 09974133b3
1 changed files with 7 additions and 2 deletions
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9
plugins/ssl/ssl-certificate-expiry
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@ -165,6 +165,11 @@ print_expire_days() {
fi
}
my_clean_fieldname() {
# if a domain starts with a digit, or its an IP address, prepend '_'
clean_fieldname "$(echo "$@" | sed -E 's/^([0-9])/_\1/')"
}
main() {
for service in $services; do
if echo "$service" | grep -q "_"; then
@ -176,7 +181,7 @@ main() {
port=443
starttls=""
fi
fieldname="$(clean_fieldname "$service")"
fieldname="$(my_clean_fieldname "$service")"
valid_days=$(print_expire_days "$host" "$port" "$starttls")
extinfo=""
[ -z "$valid_days" ] && valid_days="U"
@ -197,7 +202,7 @@ case ${1:-} in
echo 'graph_category security'
echo "graph_info This graph shows the numbers of days before certificate expiry"
for service in $services; do
fieldname=$(clean_fieldname "$service")
fieldname=$(my_clean_fieldname "$service")
echo "${fieldname}.label $(echo "${service}" | sed 's/_/:/')"
print_thresholds "${fieldname}" warning critical
done