consolidate dns plugins, add lxml deps

Author: aptalca

Dockerfile

@@ -18,6 +18,8 @@ RUN \
     g++ \
     gcc \
     libffi-dev \
+    libxml2-dev \
+    libxslt-dev \
     openssl-dev \
     python3-dev && \
   echo "**** install runtime packages ****" && \

Dockerfile.aarch64

@@ -18,6 +18,8 @@ RUN \
     g++ \
     gcc \
     libffi-dev \
+    libxml2-dev \
+    libxslt-dev \
     openssl-dev \
     python3-dev && \
   echo "**** install runtime packages ****" && \

Dockerfile.armhf

@@ -18,6 +18,8 @@ RUN \
     g++ \
     gcc \
     libffi-dev \
+    libxml2-dev \
+    libxslt-dev \
     openssl-dev \
     python3-dev && \
   echo "**** install runtime packages ****" && \

root/etc/cont-init.d/50-config

@@ -236,10 +236,7 @@ if [ "$VALIDATION" = "dns" ]; then
     elif [[ "$DNSPLUGIN" =~ ^(google)$ ]]; then
         if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
         PREFCHAL="--dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.json ${PROPAGATIONPARAM}"
-    elif [[ "$DNSPLUGIN" =~ ^(he)$ ]]; then
-        if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
-        PREFCHAL="-a dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"
-    elif [[ "$DNSPLUGIN" =~ ^(aliyun|domeneshop|hetzner|inwx|ionos|netcup|njalla|transip|vultr)$ ]]; then
+    elif [[ "$DNSPLUGIN" =~ ^(aliyun|domeneshop|he|hetzner|inwx|ionos|netcup|njalla|transip|vultr)$ ]]; then
         if [ -n "$PROPAGATION" ];then PROPAGATIONPARAM="--dns-${DNSPLUGIN}-propagation-seconds ${PROPAGATION}"; fi
         PREFCHAL="-a dns-${DNSPLUGIN} --dns-${DNSPLUGIN}-credentials /config/dns-conf/${DNSPLUGIN}.ini ${PROPAGATIONPARAM}"
     elif [[ "$DNSPLUGIN" =~ ^(directadmin)$ ]]; then