Correct minor issues in onap deployment scripts

Generated by deploy.sh heat template has been fixed to allow
provisioning onap without proxy. Some minor fixes have been
also implemented in openstack resources checks and git operations.

Issue-ID: MULTICLOUD-708

Signed-off-by: Konrad Bańka <k.banka@samsung.com>
Change-Id: Ie97b1845e217068a1c5634fbf8f2864cd4a4da29
diff --git a/deployment/heat/onap-rke/nfs_vm_entrypoint.sh b/deployment/heat/onap-rke/nfs_vm_entrypoint.sh
index f8997c9..bbab5df 100644
--- a/deployment/heat/onap-rke/nfs_vm_entrypoint.sh
+++ b/deployment/heat/onap-rke/nfs_vm_entrypoint.sh
@@ -93,14 +93,18 @@
 
 nfs_volume_dev="/dev/disk/by-id/virtio-$(echo "__nfs_volume_id__" | cut -c -20)"
 
+until [ -b "$nfs_volume_dev" ]; do
+    sleep 1m
+done
+
 zpool create -f -m /dockerdata-nfs dockerdata-nfs $nfs_volume_dev
 zfs set compression=lz4 dockerdata-nfs
 zfs set sharenfs="rw=*" dockerdata-nfs
 
 # update and initialize git
-git config --global user.email root@nfs
-git config --global user.name root@nfs
-git config --global log.decorate auto
+git config --system user.email root@nfs
+git config --system user.name root@nfs
+git config --system log.decorate auto
 
 # version control the persistence volume to see what's happening
 chmod 777 /dockerdata-nfs/
@@ -108,7 +112,7 @@
 cd /dockerdata-nfs/
 git init
 git add -A
-git commit -m "initial commit"
+git commit -m "initial commit" --allow-empty