Updates to dockerfile after verification on client offline environment

  - updated toolset
  - additional dockerfile for rally-offline (wip)
  - si-tests fw files updates to use local repos
  - si-env.sh script with env vars for offline use

  Related-PROD: PROD-36128

Change-Id: I16b9236e68e6358c16865ce8ed7f226610e82512
diff --git a/k8s/si-tests-offline.sh b/k8s/si-tests-offline.sh
new file mode 100755
index 0000000..25a3865
--- /dev/null
+++ b/k8s/si-tests-offline.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+# Set region for custom value
+export CDN_REGION='public-offline'
+# Path to image w/o host and version
+export K8S_CONFORMANCE_IMAGE='lcm/kubernetes/k8s-conformance'
+# image version w/o 'v'
+export K8S_CONFORMANCE_IMAGE_VERSION='1.18.19-35'
+
+# var for the k8s-conformance pod, host with local nexus/other storage
+export REPO_PUBLIC='172.20.8.28.8082'
+# openstackdeployment resource name for tempest
+export OSH_DEPLOYMENT_NAME=openstack-cluster-ovs