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haproxy: use the master CLI for hot update 

DEPLOY_HAPROXY_MASTER_CLI allows to use the HAProxy master CLI instead
of a stats socket for DEPLOY_HAPROXY_HOT_UPDATE="yes"

The syntax of the master CLI is slightly different, a prefix with the
process number need to be added before any command.

This patch uses ${_cmdpfx} in front of every socat commands which is
filled when the master CLI is used.
pull/4581/head
William Lallemand 1 year ago
parent
98a7a01dbb
commit
36fc321096
1 changed files with 33 additions and 10 deletions
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  1. 43
      deploy/haproxy.sh

43
deploy/haproxy.sh
View File

@ -44,6 +44,11 @@
#
# Require the socat binary. DEPLOY_HAPROXY_STATS_SOCKET variable uses the socat
# address format.
#
# export DEPLOY_HAPROXY_MASTER_CLI="UNIX:/run/haproxy-master.sock"
#
# OPTIONAL: To use the master CLI with DEPLOY_HAPROXY_HOT_UPDATE="yes" instead
# of a stats socket, use this variable.
######## Public functions #####################
@ -54,6 +59,7 @@ haproxy_deploy() {
_ccert="$3"
_cca="$4"
_cfullchain="$5"
_cmdpfx=""
# Some defaults
DEPLOY_HAPROXY_PEM_PATH_DEFAULT="/etc/haproxy"
@ -148,6 +154,16 @@ haproxy_deploy() {
Le_Deploy_haproxy_stats_socket="${DEPLOY_HAPROXY_STATS_SOCKET_DEFAULT}"
fi
# MASTER_CLI is optional. No defaults are used. When the master CLI is used,
# all commands are sent with a prefix.
_getdeployconf DEPLOY_HAPROXY_MASTER_CLI
_debug2 DEPLOY_HAPROXY_MASTER_CLI "${DEPLOY_HAPROXY_MASTER_CLI}"
if [ -n "${DEPLOY_HAPROXY_MASTER_CLI}" ]; then
Le_Deploy_haproxy_stats_socket="${DEPLOY_HAPROXY_MASTER_CLI}"
_savedomainconf Le_Deploy_haproxy_stats_socket "${Le_Deploy_haproxy_stats_socket}"
_cmdpfx="@1 " # command prefix used for master CLI only.
fi
# Set the suffix depending if we are creating a bundle or not
if [ "${Le_Deploy_haproxy_bundle}" = "yes" ]; then
_info "Bundle creation requested"
@ -297,18 +313,25 @@ haproxy_deploy() {
fi
if [ "${Le_Deploy_haproxy_hot_update}" = "yes" ]; then
# Update certificate over HAProxy stats socket.
# set the socket name for messages
if [ -n "${_cmdpfx}" ]; then
_socketname="master CLI"
else
_socketname="stats socket"
fi
# Update certificate over HAProxy stats socket or master CLI.
if _exists socat; then
# look for the certificate on the stats socket, to chose between updating or creating one
_socat_cert_cmd="echo 'show ssl cert' | socat '${_statssock}' - | grep -q '^${_pem}$'"
_socat_cert_cmd="echo '${_cmdpfx}show ssl cert' | socat '${_statssock}' - | grep -q '^${_pem}$'"
_debug _socat_cert_cmd "${_socat_cert_cmd}"
eval "${_socat_cert_cmd}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_newcert="1"
_info "Creating new certificate '${_pem}' over HAProxy stats socket."
_info "Creating new certificate '${_pem}' over HAProxy ${_socketname}."
# certificate wasn't found, it's a new one. We should check if the crt-list exists and creates/inserts the certificate.
_socat_crtlist_show_cmd="echo 'show ssl crt-list' | socat '${_statssock}' - | grep -q '^${Le_Deploy_haproxy_pem_path}$'"
_socat_crtlist_show_cmd="echo '${_cmdpfx}show ssl crt-list' | socat '${_statssock}' - | grep -q '^${Le_Deploy_haproxy_pem_path}$'"
_debug _socat_crtlist_show_cmd "${_socat_crtlist_show_cmd}"
eval "${_socat_crtlist_show_cmd}"
_ret=$?
@ -317,7 +340,7 @@ haproxy_deploy() {
return "${_ret}"
fi
# create a new certificate
_socat_new_cmd="echo 'new ssl cert ${_pem}' | socat '${_statssock}' - | grep -q 'New empty'"
_socat_new_cmd="echo '${_cmdpfx}new ssl cert ${_pem}' | socat '${_statssock}' - | grep -q 'New empty'"
_debug _socat_new_cmd "${_socat_new_cmd}"
eval "${_socat_new_cmd}"
_ret=$?
@ -326,9 +349,9 @@ haproxy_deploy() {
return "${_ret}"
fi
else
_info "Update existing certificate '${_pem}' over HAProxy stats socket."
_info "Update existing certificate '${_pem}' over HAProxy ${_socketname}."
fi
_socat_cert_set_cmd="echo -e 'set ssl cert ${_pem} <<\n$(cat "${_pem}")\n' | socat '${_statssock}' - | grep -q 'Transaction created'"
_socat_cert_set_cmd="echo -e '${_cmdpfx}set ssl cert ${_pem} <<\n$(cat "${_pem}")\n' | socat '${_statssock}' - | grep -q 'Transaction created'"
_debug _socat_cert_set_cmd "${_socat_cert_set_cmd}"
eval "${_socat_cert_set_cmd}"
_ret=$?
@ -336,7 +359,7 @@ haproxy_deploy() {
_err "Can't update '${_pem}' in haproxy"
return "${_ret}"
fi
_socat_cert_commit_cmd="echo 'commit ssl cert ${_pem}' | socat '${_statssock}' - | grep -q '^Success!$'"
_socat_cert_commit_cmd="echo '${_cmdpfx}commit ssl cert ${_pem}' | socat '${_statssock}' - | grep -q '^Success!$'"
_debug _socat_cert_commit_cmd "${_socat_cert_commit_cmd}"
eval "${_socat_cert_commit_cmd}"
_ret=$?
@ -346,7 +369,7 @@ haproxy_deploy() {
fi
if [ "${_newcert}" = "1" ]; then
# if this is a new certificate, it needs to be inserted into the crt-list`
_socat_cert_add_cmd="echo 'add ssl crt-list ${Le_Deploy_haproxy_pem_path} ${_pem}' | socat '${_statssock}' - | grep -q 'Success!'"
_socat_cert_add_cmd="echo '${_cmdpfx}add ssl crt-list ${Le_Deploy_haproxy_pem_path} ${_pem}' | socat '${_statssock}' - | grep -q 'Success!'"
_debug _socat_cert_add_cmd "${_socat_cert_add_cmd}"
eval "${_socat_cert_add_cmd}"
_ret=$?
@ -356,7 +379,7 @@ haproxy_deploy() {
fi
fi
else
_err "'socat' is not available, couldn't update over stats socket"
_err "'socat' is not available, couldn't update over ${_socketname}"
fi
else
# Reload HAProxy

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