Implement probe prototype

Change-Id: If30bd80701129d9fa892df0b1d37214a7b6c7a33
diff --git a/Makefile b/Makefile
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+# Copyright 2019-present Open Networking Foundation
+#
+# 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.
+
+# Configure shell
+SHELL = bash -e -o pipefail
+
+# Variables
+VERSION                  ?= $(shell cp -f ../VERSION . && cat ./VERSION)
+SERVICE_NAME             ?= $(notdir $(abspath .))
+SYNCHRONIZER_NAME        ?= cord-workflow-probe-synchronizer
+
+## Docker related
+DOCKER_REGISTRY          ?=
+DOCKER_REPOSITORY        ?=
+DOCKER_BUILD_ARGS        ?=
+DOCKER_TAG               ?= ${VERSION}
+DOCKER_IMAGENAME         := ${DOCKER_REGISTRY}${DOCKER_REPOSITORY}${SYNCHRONIZER_NAME}:${DOCKER_TAG}
+
+## Docker labels. Only set ref and commit date if committed
+DOCKER_LABEL_VCS_URL     ?= $(shell git remote get-url $(shell git remote))
+DOCKER_LABEL_VCS_REF     ?= $(shell git diff-index --quiet HEAD -- && git rev-parse HEAD || echo "unknown")
+DOCKER_LABEL_COMMIT_DATE ?= $(shell git diff-index --quiet HEAD -- && git show -s --format=%cd --date=iso-strict HEAD || echo "unknown" )
+DOCKER_LABEL_BUILD_DATE  ?= $(shell date -u "+%Y-%m-%dT%H:%M:%SZ")
+
+all: test
+
+docker-build:
+	docker build $(DOCKER_BUILD_ARGS) \
+    -t ${DOCKER_IMAGENAME} \
+    --build-arg org_label_schema_version="${VERSION}" \
+    --build-arg org_label_schema_vcs_url="${DOCKER_LABEL_VCS_URL}" \
+    --build-arg org_label_schema_vcs_ref="${DOCKER_LABEL_VCS_REF}" \
+    --build-arg org_label_schema_build_date="${DOCKER_LABEL_BUILD_DATE}" \
+    --build-arg org_opencord_vcs_commit_date="${DOCKER_LABEL_COMMIT_DATE}" \
+    -f Dockerfile.synchronizer .
+
+docker-push:
+	docker push ${DOCKER_IMAGENAME}
+
+test: test-unit
+
+test-unit:
+	tox
+
+venv-service:
+	virtualenv $@;\
+    source ./$@/bin/activate ; set -u ;\
+    pip install -r requirements.txt
+
+clean:
+	find . -name '*.pyc' | xargs rm -f
+	rm -rf \
+    .tox \
+    venv-service \
+    xos/.coverage \
+    xos/coverage.xml \
+    xos/nose2-results.xml
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