Add new tools to interract with admin api

Dockerfile

@@ -46,4 +46,5 @@ ENV HAPPYDNS_LEVELDB_PATH=/data/happydns.db
 
 VOLUME /data
 
-COPY --from=gobuild /go/src/git.happydns.org/happydns/happydns /usr/sbin/happydns
+COPY --from=gobuild /go/src/git.happydns.org/happydns/happydns /usr/sbin/happydns
+COPY hadmin.sh /usr/bin/hadmin

Dockerfile-builded

@@ -8,4 +8,5 @@ ENV HAPPYDNS_LEVELDB_PATH=/data/happydns.db
 
 VOLUME /data
 
-COPY happydns /usr/sbin/happydns
+COPY happydns /usr/sbin/happydns
+COPY hadmin.sh /usr/bin/hadmin

hadmin.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+[ -z "${HAPPYDNS_SOCKET}" ] &&
+    DEST="./happydns.sock" ||
+        DEST="${HAPPYDNS_SOCKET}"
+
+[ -S "${DEST}" ] && DEST="--unix-socket $DEST http://localhost"
+
+RET=$(curl -s ${DEST}"$@")
+CODE=$?
+
+echo "$RET" | jq . 2> /dev/null ||
+    echo "$RET"
+
+exit $CODE