Add golangci-lint config (#55)

* Update Makefile

* Prepare Linting

* Importas

* importas

* Importas

* eppnats

* emlogger

* ceeventv2

* eppapi

* matsgo

* cev2

* eventingv1alpha1, eventingv2alpha1, epptestingutils

* ocpropagation

* Hint for naming convention

* Rename alias golog --> log

* Cloud Events without version

* Remove versions

* Centralized

* Go lint

* Importas lint

.github/workflows/lint-go.yml

@@ -0,0 +1,19 @@
+name: Lint Go code
+
+on:
+  pull_request:
+    branches:
+      - "main"
+      - "release-*"
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+      - 'sec-scanners-config.yaml'
+
+jobs:
+  code-linter:
+    name: "Run golangci-lint"
+    uses: kyma-project/eventing-tools/.github/workflows/lint-go-reusable.yml@main
+    with:
+        go-version: '1.21'
+        lint-config-uri: https://raw.githubusercontent.com/kyma-project/eventing-tools/b740019d37e5b69c1a1383c71bb5fb5a44c6534e/config/lint/.golangci.yaml

.gitignore

@@ -41,3 +41,9 @@ vendor/
 
 **/.env
 **/.env.dev
+
+
+# Lint files
+lint-report.json
+.golangci.yaml
+

Makefile

@@ -5,6 +5,9 @@ IMG_REGISTRY_PORT ?= 8888
 IMG_REGISTRY ?= op-skr-registry.localhost:$(IMG_REGISTRY_PORT)/unsigned/eventing-images
 IMG ?= $(IMG_REGISTRY)/$(APP_NAME):$(APP_VERSION)
 
+# Lint issue category
+CATEGORY = "default"
+
 # Setting SHELL to bash allows bash commands to be executed by recipes.
 # Options are set to exit when a recipe line exits non-zero or a piped command fails.
 SHELL = /usr/bin/env bash -o pipefail
@@ -40,9 +43,41 @@ help: ## Display this help.
 ##@ Development
 
 .PHONY: lint
-lint: ## Check and fix lint issues using `golangci-lint`
+lint: ## Check lint issues using `golangci-lint`
+	golangci-lint run --timeout 5m --config=./.golangci.yaml
+
+.PHONY: lint-compact
+lint-compact: ## Check lint issues using `golangci-lint` in compact result format
+	golangci-lint run --timeout 5m --config=./.golangci.yaml --print-issued-lines=false
+
+.PHONY: lint-fix
+lint-fix: ## Check and fix lint issues using `golangci-lint`
 	golangci-lint run --fix --timeout 5m --config=./.golangci.yaml
 
+.PHONY: lint-report
+lint-report: ## Check lint issues using `golangci-lint` then export them to a file, then print the list of linters used
+	golangci-lint run --timeout 5m --config=./.golangci.yaml --issues-exit-code 0 --out-format json > ./lint-report.json
+
+.PHONY: lint-report-issue-category
+lint-report-issue-category: ## Get lint issues categories
+	make lint-report-clean
+	make lint-report
+	cat ./lint-report.json | jq '.Issues[].FromLinter' | jq -s 'map({(.):1})|add|keys_unsorted'
+
+.PHONY: lint-report-get-category
+lint-report-get-category: ## Get lint issues by category
+	cat ./lint-report.json | jq --arg CATEGORY $$CATEGORY '.Issues[] | select(.FromLinter==$$CATEGORY)'
+
+.PHONY: lint-report-count-issue
+lint-report-count-issue: ## Count lint issues
+	make lint-report-clean
+	make lint-report
+	cat ./lint-report.json | jq '.Issues | length'
+
+.PHONY: lint-report-clean
+lint-report-clean: ## Clean lint report
+	rm -f ./lint-report.json
+
 .PHONY: fmt
 fmt: ## Reformat files using `go fmt`
 	go fmt $$($(DIRS_TO_CHECK))