.golangci.yml

# This code is licensed under the terms of the MIT license https://opensource.org/license/mit
# Copyright (c) 2021 Marat Reymers

## Golden config for golangci-lint
version: "2"

# This file contains only configs which differ from defaults.
# All possible options can be found here https://github.com/golangci/golangci-lint/blob/master/.golangci.reference.yml
linters:
  default: none
  enable:
    # enabled by default
    - errcheck # checking for unchecked errors, these unchecked errors can be critical bugs in some cases
    - govet # reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
    - ineffassign # detects when assignments to existing variables are not used
    - staticcheck # is a go vet on steroids, applying a ton of static analysis checks
    - unused # checks for unused constants, variables, functions and types
    # disabled by default
    - asasalint # checks for pass []any as any in variadic func(...any)
    - asciicheck # checks that your code does not contain non-ASCII identifiers
    - bidichk # checks for dangerous unicode character sequences
    - bodyclose # checks whether HTTP response body is closed successfully
    - canonicalheader # checks whether net/http.Header uses canonical header
    - cyclop # checks function and package cyclomatic complexity
    - dupl # tool for code clone detection
    - durationcheck # checks for two durations multiplied together
    - errname # checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error
    - errorlint # finds code that will cause problems with the error wrapping scheme introduced in Go 1.13
    - exhaustive # checks exhaustiveness of enum switch statements
    - fatcontext # detects nested contexts in loops
    - forbidigo # forbids identifiers
    - funlen # tool for detection of long functions
    - gocheckcompilerdirectives # validates go compiler directive comments (//go:)
    - gochecknoglobals # checks that no global variables exist
    - gochecknoinits # checks that no init functions are present in Go code
    - gochecksumtype # checks exhaustiveness on Go "sum types"
    - gocognit # computes and checks the cognitive complexity of functions
    - goconst # finds repeated strings that could be replaced by a constant
    - gocritic # provides diagnostics that check for bugs, performance and style issues
    - gocyclo # computes and checks the cyclomatic complexity of functions
    - godot # checks if comments end in a period
    - gomoddirectives # manages the use of 'replace', 'retract', and 'excludes' directives in go.mod
    - gomodguard # allow and block lists linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations
    - goprintffuncname # checks that printf-like functions are named with f at the end
    - intrange # finds places where for loops could make use of an integer range
    - lll # reports long lines
    - loggercheck # checks key value pairs for common logger libraries (kitlog,klog,logr,zap)
    - makezero # finds slice declarations with non-zero initial length
    - mirror # reports wrong mirror patterns of bytes/strings usage
    - mnd # detects magic numbers
    - musttag # enforces field tags in (un)marshaled structs
    - nakedret # finds naked returns in functions greater than a specified function length
    - nestif # reports deeply nested if statements
    - nilerr # finds the code that returns nil even if it checks that the error is not nil
    - nilnil # checks that there is no simultaneous return of nil error and an invalid value
    - noctx # finds sending http request without context.Context
    - nolintlint # reports ill-formed or insufficient nolint directives
    - nonamedreturns # reports all named returns
    - nosprintfhostport # checks for misuse of Sprintf to construct a host with port in a URL
    - perfsprint # checks that fmt.Sprintf can be replaced with a faster alternative
    - predeclared # finds code that shadows one of Go's predeclared identifiers
    - promlinter # checks Prometheus metrics naming via promlint
    - protogetter # reports direct reads from proto message fields when getters should be used
    - reassign # checks that package variables are not reassigned
    - revive # fast, configurable, extensible, flexible, and beautiful linter for Go, drop-in replacement of golint
    - rowserrcheck # checks whether Err of rows is checked successfully
    - sloglint # ensure consistent code style when using log/slog
    - spancheck # checks for mistakes with OpenTelemetry/Census spans
    - sqlclosecheck # checks that sql.Rows and sql.Stmt are closed
    - testableexamples # checks if examples are testable (have an expected output)
    - testifylint # checks usage of github.com/stretchr/testify
    - testpackage # makes you use a separate _test package
    - tparallel # detects inappropriate usage of t.Parallel() method in your Go test codes
    - unconvert # removes unnecessary type conversions
    - unparam # reports unused function parameters
    - usestdlibvars # detects the possibility to use variables/constants from the Go standard library
    - wastedassign # finds wasted assignment statements
    - whitespace # detects leading and trailing whitespace
  settings:
    cyclop:
      # The maximal code complexity to report.
      # Default: 10
      max-complexity: 30
      # The maximal average package complexity.
      # If it's higher than 0.0 (float) the check is enabled
      # Default: 0.0
      package-average: 10
    errcheck:
      # Report about not checking of errors in type assertions: `a := b.(MyStruct)`.
      # Such cases aren't reported by default.
      # Default: false
      check-type-assertions: true
    exhaustive:
      # Program elements to check for exhaustiveness.
      # Default: [ switch ]
      check:
        - switch
        - map
    exhaustruct:
      # List of regular expressions to exclude struct packages and their names from checks.
      # Regular expressions must match complete canonical struct package/name/structname.
      # Default: []
      exclude:
        # std libs
        - ^net/http.Client$
        - ^net/http.Cookie$
        - ^net/http.Request$
        - ^net/http.Response$
        - ^net/http.Server$
        - ^net/http.Transport$
        - ^net/url.URL$
        - ^os/exec.Cmd$
        - ^reflect.StructField$
        - ^github.com/Shopify/sarama.Config$
        - ^github.com/Shopify/sarama.ProducerMessage$
        - ^github.com/mitchellh/mapstructure.DecoderConfig$
        - ^github.com/prometheus/client_golang/.+Opts$
        # public libs
        - ^github.com/spf13/cobra.Command$
        - ^github.com/spf13/cobra.CompletionOptions$
        - ^github.com/stretchr/testify/mock.Mock$
        - ^github.com/testcontainers/testcontainers-go.+Request$
        - ^github.com/testcontainers/testcontainers-go.FromDockerfile$
        - ^golang.org/x/tools/go/analysis.Analyzer$
        - ^google.golang.org/protobuf/.+Options$
        - ^gopkg.in/yaml.v3.Node$
    funlen:
      # Checks the number of lines in a function.
      # If lower than 0, disable the check.
      # Default: 60
      lines: 100
      # Checks the number of statements in a function.
      # If lower than 0, disable the check.
      # Default: 40
      statements: 50
      # Ignore comments when counting lines.
      # Default false
      ignore-comments: true
    gocognit:
      # Minimal code complexity to report.
      # Default: 30 (but we recommend 10-20)
      min-complexity: 20
    gocritic:
      # Settings passed to gocritic.
      # The settings key is the name of a supported gocritic checker.
      # The list of supported checkers can be find in https://go-critic.github.io/overview.
      settings:
        captLocal:
          # Whether to restrict checker to params only.
          # Default: true
          paramsOnly: false
        underef:
          # Whether to skip (*x).method() calls where x is a pointer receiver.
          # Default: true
          skipRecvDeref: false
    gomodguard:
      blocked:
        # List of blocked modules.
        # Default: []
        modules:
          - github.com/golang/protobuf:
              recommendations:
                - google.golang.org/protobuf
              reason: see https://developers.google.com/protocol-buffers/docs/reference/go/faq#modules
          - github.com/satori/go.uuid:
              recommendations:
                - github.com/google/uuid
              reason: satori's package is not maintained
          - github.com/gofrs/uuid:
              recommendations:
                - github.com/gofrs/uuid/v5
              reason: gofrs' package was not go module before v5
    govet:
      # Disable analyzers by name.
      # Run `go tool vet help` to see all analyzers.
      # Default: []
      disable:
        - fieldalignment # too strict
        - shadow # too noisy
      # Enable all analyzers.
      # Default: false
      enable-all: true
    inamedparam:
      # Skips check for interface methods with only a single parameter.
      # Default: false
      skip-single-param: true
    mnd:
      # List of function patterns to exclude from analysis.
      # Values always ignored: `time.Date`,
      # `strconv.FormatInt`, `strconv.FormatUint`, `strconv.FormatFloat`,
      # `strconv.ParseInt`, `strconv.ParseUint`, `strconv.ParseFloat`.
      # Default: []
      ignored-functions:
        - args.Error
        - flag.Arg
        - flag.Duration.*
        - flag.Float.*
        - flag.Int.*
        - flag.Uint.*
        - os.Chmod
        - os.Mkdir.*
        - os.OpenFile
        - os.WriteFile
        - prometheus.ExponentialBuckets.*
        - prometheus.LinearBuckets
        - qdrant.NewQuery
        - qdrant.NewVectors
    nakedret:
      # Make an issue if func has more lines of code than this setting, and it has naked returns.
      # Default: 30
      max-func-lines: 0
    nolintlint:
      # Enable to require an explanation of nonzero length after each nolint directive.
      # Default: false
      require-explanation: true
      # Enable to require nolint directives to mention the specific linter being suppressed.
      # Default: false
      require-specific: true
      # Exclude following linters from requiring an explanation.
      # Default: []
      allow-no-explanation:
        - funlen
        - gocognit
        - lll
    perfsprint:
      # Optimizes into strings concatenation.
      # Default: true
      strconcat: false
    rowserrcheck:
      # database/sql is always checked
      # Default: []
      packages:
        - github.com/jmoiron/sqlx
    sloglint:
      # Enforce not using global loggers.
      # Values:
      # - "": disabled
      # - "all": report all global loggers
      # - "default": report only the default slog logger
      # https://github.com/go-simpler/sloglint?tab=readme-ov-file#no-global
      # Default: ""
      no-global: all
      # Enforce using methods that accept a context.
      # Values:
      # - "": disabled
      # - "all": report all contextless calls
      # - "scope": report only if a context exists in the scope of the outermost function
      # https://github.com/go-simpler/sloglint?tab=readme-ov-file#context-only
      # Default: ""
      context: scope
  exclusions:
    generated: lax
    presets:
      - comments
      - common-false-positives
      - legacy
      - std-error-handling
    rules:
      - linters:
          - godot
        source: (noinspection|TODO)
      - linters:
          - gocritic
        source: //noinspection
      - linters:
          - bodyclose
          - dupl
          - funlen
          - goconst
          - noctx
          - wrapcheck
        path: _test\.go
    paths:
      - third_party$
      - builtin$
      - examples$
issues:
  # Maximum count of issues with the same text.
  # Set to 0 to disable.
  # Default: 3
  max-same-issues: 50
formatters:
  enable:
    - goimports
  exclusions:
    generated: lax
    paths:
      - third_party$
      - builtin$
      - examples$