remove collectd stats when app is uninstalled

src/scripts/configurecollectd.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -eu -o pipefail
+
+if [[ ${EUID} -ne 0 ]]; then
+    echo "This script should be run as root." > /dev/stderr
+    exit 1
+fi
+
+if [[ $# == 1 && "$1" == "--check" ]]; then
+    echo "OK"
+    exit 0
+fi
+
+cmd="$1"
+appid="$2"
+
+if [[ "${BOX_ENV}" == "cloudron" ]]; then
+    # when restoring the cloudron with many apps, the apptasks rush in to restart
+    # collectd which makes systemd/collectd very unhappy and puts the collectd in
+    # inactive state
+    for i in {1..10}; do
+        echo "Restarting collectd"
+        if systemctl restart collectd; then
+            break
+        fi
+        echo "Failed to reload collectd. Maybe some other apptask is restarting it"
+        sleep $((RANDOM%30))
+    done
+
+    # delete old stats when uninstalling an app
+    if [[ "${cmd}" == "remove" ]]; then
+        echo "Removing collectd stats of ${appid}"
+
+        rm -rf ${HOME}/platformdata/graphite/whisper/collectd/localhost/*${appid}*
+    fi
+fi
+