Prometheus Kafka Writer Microservice

This patch implents Prometheus to remote Kafka Writer Microservice
Added sample day-2 config to configure prometheus

PS4: Fixed Review comments

Issue-ID: ONAPARC-393
Signed-off-by: Dileep Ranganathan <dileep.ranganathan@intel.com>
Change-Id: I0bc77175593a165effd7bb1cb4802c988a5ef4ec

1 files changed, 73 insertions, 0 deletions

diff --git a/vnfs/DAaaS/microservices/prom-kafka-writer/Makefile b/vnfs/DAaaS/microservices/prom-kafka-writer/Makefile
new file mode 100644
index 00000000..5d8ba317
--- /dev/null
+++ b/vnfs/DAaaS/microservices/prom-kafka-writer/Makefile
@@ -0,0 +1,73 @@
+# SPDX-license-identifier: Apache-2.0
+##############################################################################
+# Copyright (c) 2019 Intel Corporation
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# Common
+VERSION := $(shell git describe --tags)
+BUILD := $(shell git rev-parse --short HEAD)
+PROJECTNAME := $(shell basename "$(PWD)")
+
+ROOTPATH := $(shell realpath "$(PWD)/../")
+PKA := prom-kafka-writer
+ifndef IMAGE_NAME
+override IMAGE_NAME := dcr.cluster.local:32644/prom-kafka-writer:latest
+endif
+
+export GO111MODULE=on
+
+.PHONY: clean plugins
+
+## build: Build the binary for prom-kafka-writer
+build: clean format
+	GOOS=linux GOARCH=amd64
+	@go mod download
+	@go build -o ./bin/prom-kafka-writer -v ./cmd/prom-kafka-writer
+
+## all: Delete the image, binary, complete build, test and run coverage
+all: build test cover
+## debug: Build local binary for debugging
+debug:
+	@echo "Use Cloud Code VSCode plugin or Skaffold to debug"
+
+## deploy: Build Dockerfile and publish to repository
+deploy: build test publish
+
+## publish: Push docker image to repository
+publish:
+	@docker push ${IMAGE_NAME}
+.PHONY: test
+## test: run tests
+test: clean
+	@go test -v ./...
+## format: format source code
+format:
+	@go fmt ./...
+
+## clean: clean build artifacts, image, binary 
+clean: format
+	@echo "Deleting the prom-kafka-writer binary"
+	@rm -rf ${PKA}
+	@echo "Deleting the prom-kafka-writer docker image"
+	@docker 2>/dev/null rmi ${IMAGE_NAME} | true
+
+.PHONY: cover
+## cover: run tests and generate coverage report
+cover:
+	@go test ./... -coverprofile=coverage.out
+	@go tool cover -html=coverage.out -o coverage.html
+
+.PHONY: help
+## help: Print help message
+help: Makefile
+	@echo
+	@echo " Requires librdkafka v1.1.0 or later, go1.12.5+"
+	@echo
+	@echo " Choose a command run in "$(PROJECTNAME)":"
+	@echo
+	@sed -n 's/^## //p' $< | column -t -s ':' |  sed -e 's/^/ /'
+	@echo