diff --git a/.gitignore b/.gitignore
index 7873c22..27fdd02 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,9 @@
 # tagcollisionreject.sh is downloaded via the Makefile if not present
 tagcollisionreject.sh
 
+# should be working in a temp dir -vs- (read-only) checkout dir.
+tagcollisionreject.tmp.sh
+
 # helm-repo-tools is cloned in the Makefile if not present
 helm-repo-tools/
 
diff --git a/Makefile b/Makefile
index 7386da3..237898b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
 # Copyright 2021-2022 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -11,10 +13,30 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+# -----------------------------------------------------------------------
 
-branch=`awk -F\= '/branch=/ {print $2}' .gitreview`
+.DEFAULT_GOAL := help
 
-help: # @HELP Print the command options
+##-------------------##
+##---]  GLOBALS  [---##
+##-------------------##
+dot         ?= .
+TOP         ?= $(dot)
+MAKEDIR     ?= $(TOP)/makefiles
+
+##--------------------##
+##---]  INCLUDES  [---##
+##--------------------##
+include $(MAKEDIR)/include.mk
+
+branch=`cat .gitreview | grep branch | cut -d '=' -f2`
+
+help:: # @HELP Print the command options
+	@echo "  test                          Sanity check chart versions"
+	@echo
+	@echo "[CHECK: release]"
+	@echo "  helm-repo-tools               Repository clone target"
+	@echo "  tagcollisionreject.sh         404 - raw.github source MIA"
 	@echo
 	@echo "\033[0;31m    VOLTHA HELM CHARTS \033[0m"
 	@echo
@@ -25,6 +47,18 @@
         {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}; \
     '
 
+# -----------------------------------------------------------------------
+# curl: 404: Not Found
+#   https://raw.githubusercontent.com
+# -----------------------------------------------------------------------
+# github no longer supports usercontent retrieval, svc was used as a CDN.
+# 3 distinct versions of tcr.sh are used by jenkins jobs.
+# -----------------------------------------------------------------------
+# Short term answer:
+#   o Find something usable for interactive use.
+# Long term answer:
+#   o Refactor tcr.sh x [n] and support consistent functionality with a single script.
+# -----------------------------------------------------------------------
 tagcollisionreject.sh:
 	@curl -o tagcollisionreject.tmp.sh https://raw.githubusercontent.com/opencord/ci-management/master/jjb/shell/tagcollisionreject.sh
 	@echo 6dc8352d47f415e003dbddc30ede194ca304907d25f1c2a384f928083194860f tagcollisionreject.tmp.sh | sha256sum --check
@@ -42,3 +76,5 @@
 clean: # @HELP Removes all files downloaded to run the tests
 	$(RM) -r helm-repo-tools
 	$(RM) tagcollisionreject.*
+
+# [EOF]
diff --git a/makefiles/consts.mk b/makefiles/consts.mk
new file mode 100644
index 0000000..8d8270d
--- /dev/null
+++ b/makefiles/consts.mk
@@ -0,0 +1,31 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+null        :=#
+space       := $(null) $(null)
+dot         ?= .
+
+HIDE        ?= @
+# SHELL       := bash -e -o pipefail
+
+env-clean   = /usr/bin/env --ignore-environment
+
+
+# [EOF]
diff --git a/makefiles/include.mk b/makefiles/include.mk
new file mode 100644
index 0000000..aa8c402
--- /dev/null
+++ b/makefiles/include.mk
@@ -0,0 +1,32 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+MAKEDIR ?= $(error MAKEDIR= is required)
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help::
+	@echo "USAGE: $(MAKE) [options] [target] ..."
+        # @echo "  test                          Sanity check chart versions"
+
+include $(MAKEDIR)/consts.mk
+include $(MAKEDIR)/lint/include.mk
+
+# [EOF]
diff --git a/makefiles/lint/Makefile b/makefiles/lint/Makefile
new file mode 100644
index 0000000..2754d0f
--- /dev/null
+++ b/makefiles/lint/Makefile
@@ -0,0 +1,93 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2022-present Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+.DEFAULT_GOAL := test
+
+HIDE        ?= @
+SHELL       := bash -e -o pipefail
+
+dot         ?= .
+TOP         ?= $(dot)
+MAKEDIR     ?= $(TOP)/makefiles
+
+env-clean = /usr/bin/env --ignore-environment
+
+jq          = $(env-clean) jq
+jq-args     += --exit-status
+
+YAMLLINT      = $(shell which yamllint)
+yamllint      := $(env-clean) $(YAMLLINT)
+yamllint-args := -c .yamllint
+
+##-------------------##
+##---]  TARGETS  [---##
+##-------------------##
+all:
+
+lint += lint-json
+lint += lint-yaml
+
+lint : $(lint)
+test : lint
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+lint-yaml yaml-lint:
+ifeq ($(null),$(shell which yamllint))
+	$(error "Please install yamllint to run linting")
+endif
+	$(HIDE)$(env-clean) find . -name '*.yaml' -type f -print0 \
+	    | xargs -0 -t -n1 $(yamllint) $(yamllint-args)
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+lint-json:
+	$(HIDE)$(env-clean) find . -name '*.json' -type f -print0 \
+	    | xargs -0 -t -n1 $(jq) $(jq-args) $(dot) >/dev/null
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+pre-check:
+	@echo "[REQUIRED] Checking for linting tools"
+	$(HIDE)which jq
+	$(HIDE)which yamllint
+	@echo
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+clean:
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+todo:
+	@echo
+	@echo "USAGE: $(MAKE)"
+	@echo "[TODO]"
+	@echo "  o Update to support standard makefile target behavior:"
+	@echo "    all taget is test not default behavior for automation."
+	@echo "  o Change lint target dep from test to check -or smoke"
+	@echo "    target test sould be more involved with content validation"
+	@echo "  o Refactor lint target(s) with voltha-system-tests/makefiles"
+	@echo "  o Linting should be dependency driven,"
+	@echo "    only check when sources are modified."
+	@echo
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help:
+	@echo
+	@echo "USAGE: $(MAKE)"
+	@echo "  lint        perform syntax checks on source"
+	@echo "  test        perform syntax checks on source"
+	@echo "  pre-check   Verify tools and deps are available for testing"
+	@echo
+	@echo "[LINT]"
+	@echo "  lint-json   Syntax check .json sources"
+	@echo "  lint-yaml   Syntax check .yaml sources"
+	@echo
+# [EOF]
diff --git a/makefiles/lint/include.mk b/makefiles/lint/include.mk
new file mode 100644
index 0000000..38a7a50
--- /dev/null
+++ b/makefiles/lint/include.mk
@@ -0,0 +1,12 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# -----------------------------------------------------------------------
+
+ifdef YAML_FILES
+  include $(MAKEDIR)/lint/yaml/python.mk
+else
+  include $(MAKEDIR)/lint/yaml/yamllint.mk
+endif
+
+# [EOF]
diff --git a/makefiles/lint/yaml.mk b/makefiles/lint/yaml.mk
new file mode 100644
index 0000000..8a9367b
--- /dev/null
+++ b/makefiles/lint/yaml.mk
@@ -0,0 +1,39 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# -----------------------------------------------------------------------
+
+##-------------------##
+##---]  GLOBALS  [---##
+##-------------------##
+env-clean = /usr/bin/env --ignore-environment
+xargs-n1      := xargs -0 -t -n1 --no-run-if-empty
+
+yamllint      := $(env-clean) $(YAMLLINT)
+yamllint-args := -c .yamllint
+
+##-------------------##
+##---]  TARGETS  [---##
+##-------------------##
+lint : lint-yaml
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+lint-yaml:
+	$(HIDE)$(env-clean) find . -name '*.yaml' -type f -print0 \
+	    | $(xargs-n1) $(yamllint) $(yamllint-args)
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help:
+	@echo
+	@echo "USAGE: $(MAKE)"
+	@echo "  lint        perform syntax checks on source"
+	@echo "  test        perform syntax checks on source"
+	@echo "  pre-check   Verify tools and deps are available for testing"
+	@echo
+	@echo "[LINT]"
+	@echo "  lint-json   Syntax check .json sources"
+	@echo "  lint-yaml   Syntax check .yaml sources"
+	@echo
+# [EOF]
diff --git a/makefiles/lint/yaml/.yamllint b/makefiles/lint/yaml/.yamllint
new file mode 100644
index 0000000..6a4fc1e
--- /dev/null
+++ b/makefiles/lint/yaml/.yamllint
@@ -0,0 +1,45 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+---
+
+yaml-files:
+  - '*.yaml'
+  - '*.yml'
+  - '.yamllint'
+
+rules:
+  document-start: disable
+  line-length:
+    max: 160
+
+# -----------------------------------------------------------------------
+# .. seealso: https://gerrit.opencord.org/plugins/gitiles/helm-repo-tools/+/refs/heads/master/yamllint.conf
+# -----------------------------------------------------------------------
+#
+# extends: default
+#
+#rules:
+#  empty-lines:
+#    max-end: 1
+#  line-length:
+#    max: 120
+#  braces:
+#    min-spaces-inside: 0
+#    max-spaces-inside: 1
diff --git a/makefiles/lint/yaml/python.mk b/makefiles/lint/yaml/python.mk
new file mode 100644
index 0000000..868d9b7
--- /dev/null
+++ b/makefiles/lint/yaml/python.mk
@@ -0,0 +1,41 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+YAML_FILES ?= $(error YAML_FILES= is required)
+
+lint-yaml-dep = $(addsuffix ^lint-yaml,$(YAML_FILES))
+lint-yaml-src = $(firstword $(subst ^,$(space),$(1)))
+
+##-------------------##
+##---]  TARGETS  [---##
+##-------------------##
+.PHONY : lint-yaml
+lint   : lint-yaml
+
+lint-yaml: $(venv-activate)
+lint-yaml: $(lint-yaml-dep)
+
+$(lint-yaml-dep):
+	$(vst-env) && yamllint -s $(call lint-yaml-src,$@)
+
+help::
+	@echo "  lint-yaml            Syntax check yaml sources"
+
+# [EOF]
diff --git a/makefiles/lint/yaml/urls b/makefiles/lint/yaml/urls
new file mode 100644
index 0000000..8747658
--- /dev/null
+++ b/makefiles/lint/yaml/urls
@@ -0,0 +1,5 @@
+# -*- makefile -*-
+
+https://yamllint.readthedocs.io/en/stable/configuration.html
+
+# [EOF]
\ No newline at end of file
diff --git a/makefiles/lint/yaml/yamllint.helm b/makefiles/lint/yaml/yamllint.helm
new file mode 100644
index 0000000..6c7787b
--- /dev/null
+++ b/makefiles/lint/yaml/yamllint.helm
@@ -0,0 +1,32 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+---
+# yamllint.conf
+
+extends: default
+
+rules:
+  empty-lines:
+    max-end: 1
+  line-length:
+    max: 120
+  braces:
+    min-spaces-inside: 0
+    max-spaces-inside: 1
diff --git a/makefiles/lint/yaml/yamllint.mk b/makefiles/lint/yaml/yamllint.mk
new file mode 100644
index 0000000..c83d25d
--- /dev/null
+++ b/makefiles/lint/yaml/yamllint.mk
@@ -0,0 +1,48 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+null    :=#
+space   := $(null) $(null)
+
+yamllint      := $(env-clean) yamllint
+
+## -------------------------------
+## Add requirement(s) for checking
+## -------------------------------
+# yamllint-cfg := .yamllint
+yamllint-cfg := yamllint.helm
+yamllint-conf = $(wildcard $(yamllint-cfg) $(MAKEDIR)/lint/yaml/$(yamllint-cfg))
+yamllint-args += $(addprefix --config-file$(space),$(yamllint-conf))
+
+# yamllint-args := --no-warnings
+# yamllint-args := --strict
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+lint lint-yaml:
+	$(HIDE)$(env-clean) find . -name '*.yaml' -type f -print0 \
+	    | xargs -0 -t -n1 $(yamllint) $(yamllint-args)
+
+## -----------------------------------------------------------------------
+## -----------------------------------------------------------------------
+help::
+	@echo "  lint-yaml                     Syntax check yaml sources"
+
+# [EOF]