feat: implement proxy container :label functionality

plugins/caddy-vhosts/command-functions

@@ -1,9 +1,20 @@
 #!/usr/bin/env bash
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
+source "$PLUGIN_AVAILABLE_PATH/proxy/command-functions"
 source "$PLUGIN_AVAILABLE_PATH/caddy-vhosts/internal-functions"
 set -eo pipefail
 [[ $DOKKU_TRACE ]] && set -x
 
+cmd-caddy-label() {
+  declare desc="set/unset/show container proxy labels"
+  declare cmd="caddy:label"
+  [[ "$1" == "$cmd" ]] && shift 1
+  declare APP="$1"
+
+  set -- caddy "$@"
+  cmd-proxy-label "$@"
+}
+
 cmd-caddy-report() {
   declare desc="displays a caddy report for one or more apps"
   declare cmd="caddy:report"

plugins/caddy-vhosts/docker-args-process-deploy

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
+source "$PLUGIN_AVAILABLE_PATH/proxy/functions"
 source "$PLUGIN_AVAILABLE_PATH/caddy-vhosts/internal-functions"
 set -eo pipefail
 [[ $DOKKU_TRACE ]] && set -x
@@ -129,6 +130,15 @@ trigger-caddy-vhosts-docker-args-process-deploy() {
     fi
   fi
 
+  local proxy_labels_file_path=$(fn-proxy-get-labels-file-path "$APP" caddy)
+  fn-proxy-report-label-overwrite "$output" "$proxy_labels_file_path"
+
+  if [[ -f "$proxy_labels_file_path" ]]; then
+    local user_proxy_labels="$(<"$proxy_labels_file_path")"
+    user_proxy_labels="$(echo "$user_proxy_labels" | tr '\r\n' ' ')"
+    output="$output $user_proxy_labels"
+  fi
+
   echo -n "$STDIN$output"
 }
 

plugins/caddy-vhosts/help-functions

@@ -30,6 +30,7 @@ fn-help-content() {
     caddy:report [<app>] [<flag>], Displays an caddy report for one or more apps
     caddy:set <app> <property> (<value>), Set or clear an caddy property for an app
     caddy:show-config <app>, Display caddy compose config
+    caddy:label <app> <show | set | unset> <property> (<value>), Show, set or clear a caddy label for an app
     caddy:start, Starts the caddy server
     caddy:stop, Stops the caddy server
 help_content

plugins/caddy-vhosts/subcommands/label

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+source "$PLUGIN_AVAILABLE_PATH/caddy-vhosts/command-functions"
+set -eo pipefail
+[[ $DOKKU_TRACE ]] && set -x
+
+cmd-caddy-label "$@"