Don't create files in the scripts dir

The subctl command creates a broker info file (and backups). Have it
created in the output directory instead of the scripts directory which
is mounted from the host.

Dockerfile.dapper

@@ -1,8 +1,8 @@
 FROM quay.io/submariner/shipyard-dapper-base
 
 ENV DAPPER_ENV=REPO DAPPER_ENV=TAG \
-    DAPPER_SOURCE=/go/src/github.com/submariner-io/shipyard DAPPER_DOCKER_SOCKET=true \
-    TRASH_CACHE=${DAPPER_SOURCE}/.trash-cache HOME=${DAPPER_SOURCE} DAPPER_OUTPUT=output
+    DAPPER_SOURCE=/go/src/github.com/submariner-io/shipyard DAPPER_DOCKER_SOCKET=true
+ENV DAPPER_OUTPUT=${DAPPER_SOURCE}/output
 
 WORKDIR ${DAPPER_SOURCE}
 

scripts/shared/lib/deploy_operator

@@ -34,10 +34,12 @@ function deploytool_prereqs() {
 }
 
 function setup_broker() {
-    cluster=$1
     echo "Installing broker..."
-    subctl --kubeconfig ${KUBECONFIGS_DIR}/kind-config-$cluster deploy-broker --no-dataplane
-    unset cluster
+    (
+        cluster=$1
+        cd ${OUTPUT_DIR}
+        subctl --kubeconfig ${KUBECONFIGS_DIR}/kind-config-$cluster deploy-broker --no-dataplane
+    )
 }
 
 function subctl_install_subm() {
@@ -49,7 +51,7 @@ function subctl_install_subm() {
                 --ikeport ${CE_IPSEC_IKEPORT} \
                 --colorcodes ${SUBM_COLORCODES} \
                 --disable-nat \
-                broker-info.subm
+                ${OUTPUT_DIR}/broker-info.subm
 }
 
 function install_subm_all_clusters() {