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fancy autogenerated help text

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This commit is contained in:
Lukas Schauer
2015-12-12 02:01:56 +01:00
parent 81882a64c2
commit 0a859a1906
1 changed files with 43 additions and 12 deletions
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55
letsencrypt.sh
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@@ -371,7 +371,8 @@ sign_domain() {
}
# --cron / -c
# Usage: --cron (-c)
# Description: Sign/renew non-existant/changed(TODO)/expiring certificates.
command_cron() {
# Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire
<"${DOMAINS_TXT}" sed 's/^\s*//g;s/\s*$//g' | grep -v '^#' | grep -v '^$' | while read -r line; do
@@ -397,7 +398,8 @@ command_cron() {
done
}
# --sign / -s domain.tld
# Usage: --sign (-s) domain.tld
# Description: Force-sign specific certificate from domains.txt, even if not yet expiring or changed.
command_sign() {
# Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire
<"${DOMAINS_TXT}" sed 's/^\s*//g;s/\s*$//g' | grep -E "^${1}($|\s)" | head -1 | while read -r line; do
@@ -414,7 +416,8 @@ command_sign() {
done || (echo "No entry for ${1} found in ${DOMAINS_TXT}."; exit 1)
}
# --revoke / -r path/to/cert.pem
# Usage: --revoke (-r) path/to/cert.pem
# Description: Revoke specified certificate
command_revoke() {
cert="${1}"
echo "Revoking ${cert}"
@@ -431,17 +434,41 @@ command_revoke() {
mv -f "${cert}" "${cert}-revoked"
}
# --help / -h
# Usage: --help (-h)
# Description: Show help text
command_help() {
echo "Usage: ${0} [-h] [[-c|-s|-r] [parameter]] [-p keyfile] [-f configfile]"
echo "Usage: ${0} [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ..."
echo
echo "Mode:"
echo " --help (-h) show this help"
echo " --cron (-c) (default) cron-mode, renews all nearly expired or non-existing certificates found in domains.txt"
echo " --sign (-s) domain.tld force-sign a specific certificate using domains.txt entry"
echo " --revoke (-r) path/to/cert.pem revoke given certificate file (uses account key by default)"
echo " --privkey (-p) path/to/key.pem use given private key for specified command (useful for revocation)"
echo " --config (-f) path/to/config.sh use given config file"
echo "Default command: cron"
echo
(
echo "Commands:"
grep -e '# Usage:' -e '# Description:' -e '^command_.*()\s*{' letsencrypt.sh | while read -r usage; read -r description; read -r command; do
if [[ ! "${usage}" =~ Usage ]]; then
echo "Error generating help text."
exit 1
elif [[ ! "${description}" =~ Description ]]; then
echo "Error generating help text."
exit 1
elif [[ ! "${command}" =~ ^command_ ]]; then
echo "Error generating help text."
exit 1
fi
printf " %s\t%s\n" "${usage##"# Usage: "}" "${description##"# Description: "}"
done
echo "---"
echo "Parameters:"
grep -E -e '^\s*# PARAM_Usage:' -e '^\s*# PARAM_Description:' letsencrypt.sh | while read -r usage; read -r description; do
if [[ ! "${usage}" =~ Usage ]]; then
echo "Error generating help text."
exit 1
elif [[ ! "${description}" =~ Description ]]; then
echo "Error generating help text."
exit 1
fi
printf " %s\t%s\n" "${usage##"# PARAM_Usage: "}" "${description##"# PARAM_Description: "}"
done
) | column -t -s $'\t' | sed 's/^---$//g'
}
args=""
@@ -508,10 +535,14 @@ while getopts ":hcr:s:f:p:" option; do
sign_me="${OPTARG}"
;;
f)
# PARAM_Usage: --config (-f) path/to/config.sh
# PARAM_Description: Use specified config file
check_parameters "${OPTARG:-}"
CONFIG="${OPTARG}"
;;
p)
# PARAM_Usage: --privkey (-p) path/to/key.pem
# PARAM_Description: Use specified private key instead of account key (useful for revocation)
check_parameters "${OPTARG:-}"
USEPRIVATEKEY="${OPTARG}"
;;