refactoring using Go

Author: genegr

.gitignore

@@ -1,59 +1,21 @@
-# Temporary and binary files
-*~
-*.py[cod]
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
 *.so
-*.cfg
-!.isort.cfg
-!setup.cfg
-*.orig
-*.log
-*.pot
-__pycache__/*
-.cache/*
-.*.swp
-*/.ipynb_checkpoints/*
-.DS_Store
+*.dylib
 
-# Project files
-.ropeproject
-.project
-.pydevproject
-.settings
-.idea
-.vscode
-tags
+# Test binary, built with `go test -c`
+*.test
 
-# Package files
-*.egg
-*.eggs/
-.installed.cfg
-*.egg-info
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
 
-# Unittest and coverage
-htmlcov/*
-.coverage
-.coverage.*
-.tox
-junit*.xml
-coverage.xml
-.pytest_cache/
+# Dependency directories (remove the comment below to include it)
+vendor/
 
-# Build and docs folder/files
-build/*
-dist/*
-sdist/*
-docs/api/*
-docs/_rst/*
-docs/_build/*
-cover/*
-MANIFEST
-.pybuild
-debian/purity-fa-prometheus-exporter
-debian/.debhelper
-debian/debhelper-build-stamp
-debian/*debhelper
-debian/*substvars
+# Go workspace file
+go.work
 
-# Per-project virtualenvs
-.venv*/
-.conda*/
+# Build directory
+out/

Dockerfile.rhubi

@@ -0,0 +1,100 @@
+GOCMD=go
+GOTEST=$(GOCMD) test
+GOVET=$(GOCMD) vet
+BINARY_NAME=pure-fa-om-exporter
+MODULE_NAME=go mod init purestorage/fa-openmetrics-exporter
+VERSION?=0.2.0
+SERVICE_PORT?=9491
+DOCKER_REGISTRY?= quay.io/purestorage/
+EXPORT_RESULT?=false # for CI please set EXPORT_RESULT to true
+
+GREEN  := $(shell tput -Txterm setaf 2)
+YELLOW := $(shell tput -Txterm setaf 3)
+WHITE  := $(shell tput -Txterm setaf 7)
+CYAN   := $(shell tput -Txterm setaf 6)
+RESET  := $(shell tput -Txterm sgr0)
+
+.PHONY: all test build
+
+all: help
+
+## Build:
+init:
+	$(GOCMD) init go mod init $(MODULE_NAME)
+	$(GOCMD) mod tidy
+
+build: ## Build your project and put the output binary in out/bin/
+	mkdir -p out/bin
+	GO111MODULE=on $(GOCMD) build -o out/bin/$(BINARY_NAME) cmd/fa-om-exporter/main.go
+
+clean: ## Remove build related file
+	rm -fr ./bin
+	rm -fr ./out
+	rm -f ./junit-report.xml checkstyle-report.xml ./coverage.xml ./profile.cov yamllint-checkstyle.xml
+
+watch: ## Run the code with cosmtrek/air to have automatic reload on changes
+	$(eval PACKAGE_NAME=$(shell head -n 1 go.mod | cut -d ' ' -f2))
+	docker run -it --rm -w /go/src/$(PACKAGE_NAME) -v $(shell pwd):/go/src/$(PACKAGE_NAME) -p $(SERVICE_PORT):$(SERVICE_PORT) cosmtrek/air
+
+## Test:
+test: ## Run the tests of the project
+ifeq ($(EXPORT_RESULT), true)
+	GO111MODULE=off go get -u github.com/jstemmer/go-junit-report
+	$(eval OUTPUT_OPTIONS = | tee /dev/tty | go-junit-report -set-exit-code > junit-report.xml)
+endif
+	$(GOTEST) -v -race ./... $(OUTPUT_OPTIONS)
+
+coverage: ## Run the tests of the project and export the coverage
+	$(GOTEST) -cover -covermode=count -coverprofile=profile.cov ./...
+	$(GOCMD) tool cover -func profile.cov
+ifeq ($(EXPORT_RESULT), true)
+	GO111MODULE=off go get -u github.com/AlekSi/gocov-xml
+	GO111MODULE=off go get -u github.com/axw/gocov/gocov
+	gocov convert profile.cov | gocov-xml > coverage.xml
+endif
+
+## Lint:
+lint: lint-go lint-dockerfile lint-yaml ## Run all available linters
+
+lint-dockerfile: ## Lint your Dockerfile
+# If dockerfile is present we lint it.
+ifeq ($(shell test -e ./Dockerfile && echo -n yes),yes)
+	$(eval CONFIG_OPTION = $(shell [ -e $(shell pwd)/.hadolint.yaml ] && echo "-v $(shell pwd)/.hadolint.yaml:/root/.config/hadolint.yaml" || echo "" ))
+	$(eval OUTPUT_OPTIONS = $(shell [ "${EXPORT_RESULT}" == "true" ] && echo "--format checkstyle" || echo "" ))
+	$(eval OUTPUT_FILE = $(shell [ "${EXPORT_RESULT}" == "true" ] && echo "| tee /dev/tty > checkstyle-report.xml" || echo "" ))
+	docker run --rm -i $(CONFIG_OPTION) hadolint/hadolint hadolint $(OUTPUT_OPTIONS) - < ./Dockerfile $(OUTPUT_FILE)
+endif
+
+lint-go: ## Use golintci-lint on your project
+	$(eval OUTPUT_OPTIONS = $(shell [ "${EXPORT_RESULT}" == "true" ] && echo "--out-format checkstyle ./... | tee /dev/tty > checkstyle-report.xml" || echo "" ))
+	docker run --rm -v $(shell pwd):/app -w /app golangci/golangci-lint:latest-alpine golangci-lint run --deadline=65s $(OUTPUT_OPTIONS)
+
+lint-yaml: ## Use yamllint on the yaml file of your projects
+ifeq ($(EXPORT_RESULT), true)
+	GO111MODULE=off go get -u github.com/thomaspoignant/yamllint-checkstyle
+	$(eval OUTPUT_OPTIONS = | tee /dev/tty | yamllint-checkstyle > yamllint-checkstyle.xml)
+endif
+	docker run --rm -it -v $(shell pwd):/data cytopia/yamllint -f parsable $(shell git ls-files '*.yml' '*.yaml') $(OUTPUT_OPTIONS)
+
+## Docker:
+docker-build: ## Use the dockerfile to build the container
+	docker build --rm --tag $(BINARY_NAME) --file build/docker/Dockerfile .
+
+docker-release: ## Release the container with tag latest and version
+	docker tag $(BINARY_NAME) $(DOCKER_REGISTRY)$(BINARY_NAME):latest
+	docker tag $(BINARY_NAME) $(DOCKER_REGISTRY)$(BINARY_NAME):$(VERSION)
+	# Push the docker images
+	docker push $(DOCKER_REGISTRY)$(BINARY_NAME):latest
+	docker push $(DOCKER_REGISTRY)$(BINARY_NAME):$(VERSION)
+
+## Help:
+help: ## Show this help.
+	@echo ''
+	@echo 'Usage:'
+	@echo '  ${YELLOW}make${RESET} ${GREEN}<target>${RESET}'
+	@echo ''
+	@echo 'Targets:'
+	@awk 'BEGIN {FS = ":.*?## "} { \
+		if (/^[a-zA-Z_-]+:.*?##.*$$/) {printf "    ${YELLOW}%-20s${GREEN}%s${RESET}\n", $$1, $$2} \
+		else if (/^## .*$$/) {printf "  ${CYAN}%s${RESET}\n", substr($$1,4)} \
+		}' $(MAKEFILE_LIST)

Dockerfile.slim

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"purestorage/fa-openmetrics-exporter/internal/rest-client"
+)
+
+
+func main() {
+	c := client.NewRestClient("10.225.112.90", "b5cb29e7-a93c-b40a-b02f-da2b90c8c65e", "latest")
+        defer c.Close()
+        var cli client.Client
+        cli = c
+        al := cli.GetArrays()
+        for _, a := range al.Items {
+		fmt.Println(a)
+        }
+}