diff --git a/sd-ran/sdran-install-scripts/MakefileVar.mk b/sd-ran/sdran-install-scripts/MakefileVar.mk
new file mode 100644
index 0000000000000000000000000000000000000000..c8e98a2016dcf8f321175e7aec6e3ce15f7bff11
--- /dev/null
+++ b/sd-ran/sdran-install-scripts/MakefileVar.mk
@@ -0,0 +1,121 @@
+# Copyright 2020-present Open Networking Foundation
+# SPDX-License-Identifier: Apache-2.0
+
+# Directory arguments
+SHELL := /bin/bash
+RIABDIR := $(dir $(realpath $(firstword $(MAKEFILE_LIST))))
+WORKSPACE ?= $(RIABDIR)/workspace
+M ?= $(WORKSPACE)/milestones
+BUILD ?= $(WORKSPACE)/build
+VENV ?= $(BUILD)/venv/riab
+SCRIPTDIR ?= $(RIABDIR)/scripts
+CHARTDIR ?= $(WORKSPACE)/helm-charts
+AETHERCHARTDIR ?= $(CHARTDIR)/aether-helm-charts
+SDRANCHARTDIR ?= $(CHARTDIR)/sdran-helm-charts
+RESOURCEDIR ?= $(RIABDIR)/resources
+
+# Commit IDs
+AETHERCHARTCID-V1.0.0 ?= 6b3a267e428402d6bb8531bd921c1d202bb338b2
+AETHERCHARTCID-V1.3.0 ?= 9f79ab87a96ae9ee2bb9a1540f4cd1574261611b
+AETHERCHARTCID-V1.4.0 ?= 9f79ab87a96ae9ee2bb9a1540f4cd1574261611b
+AETHERCHARTCID-LATEST ?= 9f79ab87a96ae9ee2bb9a1540f4cd1574261611b
+SDRANCHARTCID-LATEST ?= origin/master
+SDRANCHARTCID-E2AP101-LATEST ?= origin/e2ap101
+SDRANCHARTCID-E2AP101-V1.3.0 ?= sd-ran-1.2.129
+SDRANCHARTCID-E2AP101-V1.4.0 ?= sd-ran-1.2.129
+SDRANCHARTCID-V1.0.0 ?= v1.0.0 #branch: v1.0.0
+SDRANCHARTCID-V1.1.0 ?= 6670e6da25129b665b024a7c6d0fd79cfda52f25
+SDRANCHARTCID-V1.1.1 ?= origin/rel-1.1.1
+SDRANCHARTCID-V1.2.0 ?= origin/rel-1.2
+SDRANCHARTCID-V1.3.0 ?= origin/rel-1.3
+SDRANCHARTCID-V1.4.0 ?= sd-ran-1.4.2
+
+# Helm arguments
+DEFAULT_HELM_ARGS := --set import.ran-simulator.enabled=true --set import.onos-pci.enabled=true
+HELM_ARGS ?= $(DEFAULT_HELM_ARGS)
+HELM_ARGS_RANSIM ?= --set import.ran-simulator.enabled=true --set import.onos-pci.enabled=true
+HELM_ARGS_OAI ?= --set import.onos-rsm.enabled=true
+HELM_ARGS_RIC ?= --set import.onos-pci.enabled=false --set import.onos-rsm.enabled=true
+HELM_ARGS_RIC_E2AP101 ?= --set import.onos-pci.enabled=false --set import.onos-rsm.enabled=true
+HELM_ARGS_FBAH ?= --set import.fb-ah-xapp.enabled=true --set import.fb-ah-gui.enabled=true --set import.ah-eson-test-server.enabled=true --set import.ran-simulator.enabled=true --set import.fb-kpimon-xapp.enabled=true
+HELM_ARGS_MLB ?= --set import.ran-simulator.enabled=true --set import.onos-pci.enabled=true --set import.onos-mlb.enabled=true --set ran-simulator.pci.modelName=three-cell-n-node-model --set ran-simulator.pci.metricName=three-cell-n-node-metrics
+HELM_ARGS_MHO ?= --set import.ran-simulator.enabled=true --set import.onos-mho.enabled=true --set ran-simulator.pci.modelName=two-cell-two-node-model
+HELM_ARGS_RIMEDOTS ?= --set import.ran-simulator.enabled=true --set import.rimedo-ts.enabled=true --set ran-simulator.pci.modelName=two-cell-two-node-model
+
+# Helm values file
+DEFAULT_HELM_VALUES := $(RIABDIR)/sdran-in-a-box-values-master-stable.yaml
+HELM_VALUES ?= $(DEFAULT_HELM_VALUES)
+HELM_VALUES_V1.0.0 ?= $(RIABDIR)/sdran-in-a-box-values-v1.0.0.yaml
+HELM_VALUES_V1.1.0 ?= $(RIABDIR)/sdran-in-a-box-values-v1.1.0.yaml
+HELM_VALUES_V1.1.1 ?= $(RIABDIR)/sdran-in-a-box-values-v1.1.1.yaml
+HELM_VALUES_V1.2.0 ?= $(RIABDIR)/sdran-in-a-box-values-v1.2.0.yaml
+HELM_VALUES_V1.3.0 ?= $(RIABDIR)/sdran-in-a-box-values-v1.3.0.yaml
+HELM_VALUES_V1.4.0 ?= $(RIABDIR)/sdran-in-a-box-values-v1.4.0.yaml
+HELM_VALUES_STABLE ?= $(RIABDIR)/sdran-in-a-box-values-master-stable.yaml
+HELM_VALUES_LATEST ?= $(RIABDIR)/sdran-in-a-box-values.yaml
+HELM_VALUES_DEV ?= $(RIABDIR)/sdran-in-a-box-values.yaml
+
+# Options - ransim (by default), oai, ric, and fbah
+DEFAULT_OPT := ransim
+OPT ?= $(DEFAULT_OPT)
+
+# Versions - v1.0.0, v1.1.0, v1.1.1, v1.2.0, v1.3.0, v1.4.0, stable, latest, and dev
+DEFAULT_VER := stable
+VER ?= $(DEFAULT_VER)
+
+# Default RiaB namespace
+DEFAULT_RIAB_NAMESPACE := riab
+RIAB_NAMESPACE ?= $(DEFAULT_RIAB_NAMESPACE)
+
+# URLs
+CORD_GERRIT_URL ?= https://gerrit.opencord.org
+ONOS_GITHUB_URL ?= https://github.com/onosproject
+HELM_INCUBATOR_URL ?= https://charts.helm.sh/incubator
+HELM_OPENCORD_URL ?= https://charts.opencord.org
+HELM_SDRAN_URL ?= https://sdrancharts.onosproject.org
+
+# Infrastructure component version
+KUBESPRAY_VERSION ?= release-2.18
+
+# OMEC parameters
+UE_IP_POOL ?= 172.250.0.0
+UE_IP_MASK ?= 16
+STATIC_UE_IP_POOL ?= 172.249.0.0
+STATIC_UE_IP_MASK ?= 16
+MME_IP_ADDR ?= $(shell ip -4 a show $(S1MME_CU_INTERFACE) | grep inet | awk '{print $$2}' | awk -F '/' '{print $$1}' | tail -n 1)
+
+# For system check
+CPU_FAMILY := $(shell lscpu | grep 'CPU family:' | awk '{print $$3}')
+CPU_MODEL := $(shell lscpu | grep 'Model:' | awk '{print $$2}')
+OS_VENDOR := $(shell lsb_release -i -s)
+OS_RELEASE := $(shell lsb_release -r -s)
+
+# For RIC
+E2_F1_CU_INTERFACE := cu_e2f1_if
+E2_F1_CU_IPADDR := 192.168.200.21/24
+E2_F1_DU_INTERFACE := du_e2f1_if
+E2_F1_DU_IPADDR := 192.168.200.22/24
+S1MME_CU_INTERFACE := $(shell ip -4 route list default | awk -F 'dev' '{ print $$2; exit }' | awk '{ print $$1 }')
+NFAPI_DU_INTERFACE := $(shell ip -4 route list default | awk -F 'dev' '{ print $$2; exit }' | awk '{ print $$1 }')
+NFAPI_DU_IPADDR := $(shell ip -4 a show $(NFAPI_DU_INTERFACE) | grep inet | awk '{print $$2}' | awk -F '/' '{print $$1}' | tail -n 1)
+NFAPI_UE_INTERFACE := $(shell ip -4 route list default | awk -F 'dev' '{ print $$2; exit }' | awk '{ print $$1 }')
+NFAPI_UE_IPADDR := $(shell ip -4 a show $(NFAPI_UE_INTERFACE) | grep inet | awk '{print $$2}' | awk -F '/' '{print $$1}' | tail -n 1)
+E2T_NODEPORT_INTERFACE := eno1
+E2T_NODEPORT_IPADDR := 192.168.10.22
+E2_F1_BRIDGE_NAME := br-e2f1-net
+
+# For routing configuarion
+ENB_SUBNET := 192.168.11.8/29
+ENB_GATEWAY := 192.168.11.9/29
+ACCESS_SUBNET := 192.168.11.16/29
+UPF_ACCESS_NET_IP := 192.168.11.19/29
+ACCESS_GATEWAY := 192.168.11.17/29
+CORE_SUBNET := 192.168.11.0/29
+UPF_CORE_NET_IP := 192.168.11.3/29
+CORE_GATEWAY := 192.168.11.1/29
+OAI_ENB_NET_IP := 192.168.11.10/29
+OAI_MACHINE_IP := 192.168.13.21/16
+OAI_ENB_NET_INTERFACE := $(shell ip -4 route list default | awk -F 'dev' '{ print $$2; exit }' | awk '{ print $$1 }')
+OMEC_ENB_NET_IP := 192.168.11.12/29
+OMEC_DEFAULT_INTERFACE := $(shell ip -4 route list default | awk -F 'dev' '{ print $$2; exit }' | awk '{ print $$1 }')
+OMEC_MACHINE_IP := 192.168.10.21/29