local-config: Configure proxy for zypper repos

This allows using the local-config element with openSUSE based images.

Closes-Bug: #1256982
Change-Id: I670c938a44095ea7e7c31b81194acc1555212f06

elements/local-config/install.d/61-http-proxy

@@ -11,6 +11,9 @@ fi
 if [ -e /etc/yum.conf ] ; then
   have_yum=1
 fi
+if [ -d /etc/zypp ] ; then
+  have_zypper=1
+fi
 
 if [ -n "$http_proxy" ]; then
    if [ -d ~stack ]; then
@@ -22,6 +25,9 @@ if [ -n "$http_proxy" ]; then
    if [ -n "$have_yum" ] ; then
      sed -i -e "s,\[main\],[main]\nproxy=$http_proxy," /etc/yum.conf
    fi
+   if [ -n "$have_zypper" ] ; then
+     sed -i -e "s,^HTTP_PROXY=.*$,HTTP_PROXY=\"$http_proxy\"," /etc/sysconfig/proxy
+   fi
 fi
 
 if [ -n "$https_proxy" ]; then
@@ -31,10 +37,17 @@ if [ -n "$https_proxy" ]; then
    if [ -n "$have_apt" ] ; then
      echo "Acquire::https::Proxy \"$https_proxy\";"  > /etc/apt/apt.conf.d/61-use-https-proxy
    fi
+   if [ -n "$have_zypper" ] ; then
+     sed -i -e "s,^HTTPS_PROXY=.*$,HTTPS_PROXY=\"$https_proxy\"," /etc/sysconfig/proxy
+   fi
 fi
 
 if [ -n "$http_proxy" -o -n "$https_proxy" ]; then
    if [ -d ~stack ]; then
       echo export no_proxy=192.0.2.1 >> ~stack/.profile
    fi
+   if [ -n "$have_zypper" ] ; then
+      sed -i -e "s,^PROXY_ENABLED=.*$,PROXY_ENABLED=\"yes\"," \
+             -e "s,^\(NO_PROXY=.*\)\"$,\1\, 192.0.2.1\"," /etc/sysconfig/proxy
+   fi
 fi

elements/opensuse/README.md

@@ -20,7 +20,3 @@ Notes:
   hooks.  The exceptions are 01-install-bin, which has been copied to
   this element, and 01-override-zypp-arch (which is something that
   could probably be jammed into the base image...).
-* We might want to use the local-config element (after updating that element to
-  inject http\_proxy properly for openSUSE, of course).
-  (https://bugs.launchpad.net/diskimage-builder/+bug/1256982)
-