Update Dockerfiles for stretch -> buster change

Author: superseb

Dockerfile

@@ -2,15 +2,23 @@ FROM gcr.io/google_containers/hyperkube:v1.18.4
 RUN sed -i -e 's!\bmain\b!main contrib!g' /etc/apt/sources.list && \
     apt-get update && apt-get upgrade -y && apt-get clean && \
     clean-install apt-transport-https gnupg1 curl zfsutils-linux \
-    && echo "deb [arch=amd64] https://packages.microsoft.com/repos/azure-cli/ stretch main" > \
+    && echo "deb [arch=amd64] https://packages.microsoft.com/repos/azure-cli/ buster main" > \
     /etc/apt/sources.list.d/azure-cli.list \
     && curl -L https://packages.microsoft.com/keys/microsoft.asc | apt-key add - \
     && apt-get purge gnupg \
     && clean-install \
     xfsprogs \
     open-iscsi \
-    azure-cli
+    azure-cli \
+    iproute2 \
+    iputils-ping \
+    procps \
+    glusterfs-client \
+    glusterfs-common \
+    samba-common \
+    arptables
 
-RUN echo "deb http://deb.debian.org/debian stretch-backports main" >> \
-    /etc/apt/sources.list.d/backports.list \
-    && clean-install -t stretch-backports glusterfs-client glusterfs-common
+RUN update-alternatives --set iptables /usr/sbin/iptables-legacy && \
+    update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy && \
+    update-alternatives --set arptables /usr/sbin/arptables-legacy && \
+    update-alternatives --set ebtables /usr/sbin/ebtables-legacy

Dockerfile.arm64

@@ -2,11 +2,23 @@ FROM gcr.io/google_containers/hyperkube:v1.18.4
 RUN sed -i -e 's!\bmain\b!main contrib!g' /etc/apt/sources.list && \
     apt-get update && apt-get upgrade -y && apt-get clean && \
     clean-install apt-transport-https gnupg1 curl zfsutils-linux \
+    && echo "deb [arch=arm64] https://packages.microsoft.com/repos/azure-cli/ buster main" > \
+    /etc/apt/sources.list.d/azure-cli.list \
+    && curl -L https://packages.microsoft.com/keys/microsoft.asc | apt-key add - \
     && apt-get purge gnupg \
     && clean-install \
     xfsprogs \
-    open-iscsi
+    open-iscsi \
+    azure-cli \
+    iproute2 \
+    iputils-ping \
+    procps \
+    glusterfs-client \
+    glusterfs-common \
+    samba-common \
+    arptables
 
-RUN echo "deb http://deb.debian.org/debian stretch-backports main" >> \
-    /etc/apt/sources.list.d/backports.list \
-    && clean-install -t stretch-backports glusterfs-client glusterfs-common
+RUN update-alternatives --set iptables /usr/sbin/iptables-legacy && \
+    update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy && \
+    update-alternatives --set arptables /usr/sbin/arptables-legacy && \
+    update-alternatives --set ebtables /usr/sbin/ebtables-legacy