feat: add the ability to set the haproxy log level

docs/networking/proxies/haproxy.md

@@ -101,6 +101,16 @@ dokku haproxy:logs --tail --num 10
 
 The above command will show logs continually from the vector container, with an initial history of 10 log lines
 
+### Changing the Haproxy log level
+
+Haproxy log output is set to `ERROR` by default. It may be changed by setting the `log-level` property with the `--global` flag:
+
+```shell
+dokku haproxy:set --global log-level DEBUG
+```
+
+After modifying,  the Haproxy container will need to be restarted.
+
 ## Displaying Haproxy reports for an app
 
 You can get a report about the app's Haproxy config using the `haproxy:report` command:

plugins/haproxy-vhosts/command-functions

@@ -36,6 +36,7 @@ cmd-haproxy-report-single() {
   verify_app_name "$APP"
   local flag_map=(
     "--haproxy-image: $(fn-haproxy-image)"
+    "--haproxy-log-level: $(fn-haproxy-log-level)"
   )
 
   if [[ -z "$INFO_FLAG" ]]; then

plugins/haproxy-vhosts/internal-functions

@@ -35,7 +35,8 @@ fn-haproxy-template-compose-file() {
     COMPOSE_TEMPLATE="$CUSTOM_COMPOSE_TEMPLATE"
   fi
 
-  local SIGIL_PARAMS=(HAPROXY_IMAGE="$(fn-haproxy-image)")
+  local SIGIL_PARAMS=(HAPROXY_IMAGE="$(fn-haproxy-image)"
+  HAPROXY_LOG_LEVEL="$(fn-traefik-log-level)")
 
   sigil -f "$COMPOSE_TEMPLATE" "${SIGIL_PARAMS[@]}" | cat -s >"$OUTPUT_PATH"
 }
@@ -43,3 +44,9 @@ fn-haproxy-template-compose-file() {
 fn-haproxy-image() {
   fn-plugin-property-get-default "haproxy" "--global" "image" "byjg/easy-haproxy:4.2.0"
 }
+
+fn-haproxy-log-level() {
+  local log_level
+  log_level="$(fn-plugin-property-get-default "haproxy" "--global" "log-level" "ERROR")"
+  echo "${log_level^^}"
+}

plugins/haproxy-vhosts/subcommands/set

@@ -9,13 +9,13 @@ cmd-haproxy-set() {
   declare cmd="haproxy:set"
   [[ "$1" == "$cmd" ]] && shift 1
   declare APP="$1" KEY="$2" VALUE="$3"
-  local VALID_KEYS=("image")
-  local GLOBAL_KEYS=("image")
+  local VALID_KEYS=("image" "log-level")
+  local GLOBAL_KEYS=("image" "log-level")
 
   [[ -z "$KEY" ]] && dokku_log_fail "No key specified"
 
   if ! fn-in-array "$KEY" "${VALID_KEYS[@]}"; then
-    dokku_log_fail "Invalid key specified, valid keys include: image"
+    dokku_log_fail "Invalid key specified, valid keys include: image log-level"
   fi
 
   if ! fn-in-array "$KEY" "${GLOBAL_KEYS[@]}"; then

plugins/haproxy-vhosts/templates/compose.yml.sigil

@@ -8,6 +8,7 @@ services:
     environment:
       - EASYHAPROXY_DISCOVER=docker
       - EASYHAPROXY_LABEL_PREFIX=haproxy
+      - EASYHAPROXY_LOG_LEVEL={{ $.HAPROXY_LOG_LEVEL }}
 
     network_mode: bridge