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Centralized linter #57

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Jan 26, 2024
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38 changes: 38 additions & 0 deletions .github/workflows/lint-go-reusable.yml
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Maybe you want to replace the existing one so we do not have this twice.
https://github.com/kyma-project/eventing-tools/blob/main/.github/workflows/lint-reusable.yml

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You could just apply your changes to the existing file instead.

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@the1bit the1bit Jan 26, 2024

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I want to replace it. The only reason I did not do it, because Eventing Manager uses it. I don't want to kill that solution, until this solution will work fine.

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Thats reasonable. Then, let's keep it for now.

Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
# This workflow defines a reusable Go linting flow, using Golangci-lint: https://golangci-lint.run/
# https://golangci-lint.run/usage/configuration/

name: Lint code (reusable)

on:
workflow_call:
inputs:
go-version:
required: true
type: string
description: "The Go version to use. This can be a specific version. E.g. 1.19 or 1.21.x"
lint-config-uri:
required: true
type: string
description: "The URI to the linter config file. This can be a local file or a remote file. E.g. https://raw.githubusercontent.com/kyma-project/eventing-tools/main/config/lint/.golangci.yaml"

jobs:
unit:
runs-on: ubuntu-latest
steps:
- name: Setup Go
uses: actions/setup-go@v5
with:
go-version: ${{ inputs.go-version }} # This can be a specific version. E.g. 1.19 or 1.21.x
cache: false # Disable cache to avoid issues with different Go versions

- name: Checkout code
uses: actions/checkout@v4

- name: Download linter config
run: wget -O .golangci.yaml ${{ inputs.lint-config-uri }} # This can be a remote file only. E.g. https://raw.githubusercontent.com/kyma-project/eventing-tools/main/config/lint/.golangci.yaml

- name: golangci-lint
uses: golangci/golangci-lint-action@v3
with:
version: v1.55
args: --timeout=5m --config=./.golangci.yaml --issues-exit-code 1 # Failed if any issues are found
2 changes: 1 addition & 1 deletion .github/workflows/lint-reusable.yml
Original file line number Diff line number Diff line change
Expand Up @@ -22,4 +22,4 @@ jobs:
uses: golangci/golangci-lint-action@v3
with:
version: v1.55
args: --timeout=5m
args: --timeout=5m
168 changes: 168 additions & 0 deletions config/lint/.golangci.yaml
Original file line number Diff line number Diff line change
@@ -0,0 +1,168 @@
linters:
enable-all: true
disable:
- contextcheck # too many false positives
- deadcode # deprecated (since v1.49.0) and replaced by 'unused'
- depguard # checks if package imports are whitelisted
- exhaustivestruct # deprecated (since v1.46.0) and replaced by 'exhaustruct'
- exhaustruct # TODO enable and fix, use regex to exclude certain cases
- golint # deprecated (since v1.41.0) and replaced by 'revive'
- ifshort # deprecated (since v1.48.0)
- interfacer # deprecated (since v1.38.0)
- lll
- maligned # deprecated (since v1.38.0)
- nlreturn # too strict and mostly code is not more readable
- nosnakecase # deprecated (since v1.48.1) and replaced by 'revive'
- scopelint # deprecated (since v1.39.0) and replaced by 'exportloopref'
- structcheck # deprecated (since v1.49.0) and replaced by 'unused'
- sqlclosecheck # not needed for this project
- varcheck # deprecated (since v1.49.0) and replaced by 'unused'
- wsl # too strict and mostly code is not more readable
### disabled for now... will be enabled 1 by 1
- dupl
- forcetypeassert
- gosec
- inamedparam
- ireturn
- maintidx
- nolintlint
- paralleltest
- prealloc
- testpackage
- tparallel
- unconvert
- varnamelen
- wrapcheck
### Disable linters one by one
- gci
- tagalign
- dupword
- gomoddirectives
- gofumpt
- goerr113
- funlen
- testifylint
- bodyclose
- containedctx
- thelper
- tagliatelle
- errchkjson
- perfsprint
- noctx
- godox
- goconst


linters-settings:
stylecheck:
dot-import-whitelist:
- github.com/onsi/ginkgo/v2
- github.com/onsi/gomega
revive:
enable-all-rules: false
severity: error
rules:
- name: comment-spacings
disabled: true
- name: dot-imports
severity: warning
disabled: true
- name: line-length-limit
severity: warning
disabled: true
arguments: [ 120 ]
funlen:
lines: 80
cyclop:
max-complexity: 20
nestif:
min-complexity: 6
gci:
sections:
- standard # Standard packages.
- default # Imports that could not be matched to another section type.
- prefix(github.com/kyma-project/eventing-manager) # Imports with the specified prefix.
- blank # Blank imports.
- dot # Dot imports.
custom-order: true
skip-generated: true
importas:
no-unaliased: false
no-extra-aliases: true
## Version number must be added as suffix to the package name. As an example check `k8s.io/api/core/v1`
## kubernetes APIs get the prefix `k`. As an example check `kcorev1`
## Eventing Manager APIs get the prefix `em`. As an example check `emeventingv1alpha1`
## Eventing Publisher Proxy APIs get the prefix `epp`. As an example check `eppapi`
## Cloud Events APIs get the prefix `ce`. As an example check `ce`
## Eventing Auth Manager APIs get the prefix `eam`.
## Kyma Metrics Collector APIs get the prefix `kmc`.
## NATS Manager APIs get the prefix `nm`.

alias:
- pkg: "log"
alias: log
- pkg: k8s.io/api/core/v1
alias: kcorev1
- pkg: k8s.io/apimachinery/pkg/apis/meta/v1
alias: kmetav1
- pkg: k8s.io/client-go/dynamic/fake
alias: kdynamicfake
- pkg: github.com/nats-io/nats.go
alias: natsgo
- pkg: go.opencensus.io/trace/propagation
alias: ocpropagation
- pkg: github.com/kyma-project/eventing-publisher-proxy/testing
alias: epptestingutils
- pkg: github.com/kyma-project/eventing-publisher-proxy/pkg/legacy/api
alias: eppapi
- pkg: github.com/kyma-project/eventing-publisher-proxy/pkg/nats
alias: eppnats
- pkg : github.com/kyma-project/eventing-manager/pkg/logger
alias: emlogger
- pkg: github.com/kyma-project/eventing-manager/api/eventing/v1alpha1
alias: emeventingv1alpha1
- pkg: github.com/kyma-project/eventing-manager/api/eventing/v1alpha2
alias: emeventingv2alpha1
- pkg : github.com/cloudevents/sdk-go/v2
alias: ce
- pkg : github.com/cloudevents/sdk-go/v2/protocol/http
alias: cehttp
- pkg : github.com/cloudevents/sdk-go/v2/event
alias: ceevent
- pkg : github.com/cloudevents/sdk-go/v2/client
alias: ceclient
- pkg : github.com/kyma-project/kyma/components/central-application-gateway/pkg/apis/applicationconnector/v1alpha1
alias: kymaappconnv1alpha1



ireturn:
allow:
- anon
- error
- empty
- stdlib
- Client
- client.Object
- (or|er)$
wrapcheck:
ignorePackageGlobs:
issues:
exclude-rules:
- path: "_test\\.go"
linters:
- wrapcheck
- gochecknoglobals
- funlen # Table driven unit and integration tests exceed function length by design
- maintidx # Table driven unit and integration tests exceed maintainability index by design
- linters:
- importas
text: has alias "" which is not part of config # Ignore false positives that emerged due to https://github.com/julz/importas/issues/15.
max-issues-per-linter: 0
max-same-issues: 0
output:
sort-results: true
run:
timeout: 15m
skip-files:
- zz_generated.deepcopy.go
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