(maint) Add prune-reports subcommand

This adds a puppetserver subcommand to help garbage-collect old reports.

The default TTL is the same as the one used for PuppetDB (14d), where
this garbage collection is done automatically.

Author: jcharaoui

resources/ext/cli/prune-reports.erb

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+usage() {
+    echo "Usage: puppetserver prune-reports [<ttl>]"
+    echo "  <ttl>         delete reports older than this amount of time (default: 14d)"
+    exit 0
+}
+
+prune() {
+   AGE=${1:-14d}
+   puppet apply --no-report --log_level=warning -e "tidy { \$settings::reportdir: age=>'$AGE', recurse=>true, rmdirs=>true }"
+}
+
+case $1 in
+    -h|--help)
+        usage
+    ;;
+    *)
+    prune "$1"
+    ;;
+esac