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311 changes: 149 additions & 162 deletions .golangci.yml
Original file line number Diff line number Diff line change
@@ -1,183 +1,160 @@
linters-settings:
errcheck:
# report about not checking of errors in type assetions: `a := b.(MyStruct)`;
# default is false: such cases aren't reported by default.
check-type-assertions: false

# report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`;
# default is false: such cases aren't reported by default.
check-blank: false

# [deprecated] comma-separated list of pairs of the form pkg:regex
# the regex is used to ignore names within pkg. (default "fmt:.*").
# see https://github.com/kisielk/errcheck#the-deprecated-method for details
exclude-functions:
- fmt:.*
- io/ioutil:^Read.*

govet:
# report about shadowed variables
disable:
- shadow
gofmt:
# simplify code: gofmt with `-s` option, true by default
simplify: true

goimports:
# put imports beginning with prefix after 3rd-party packages;
# it's a comma-separated list of prefixes
local-prefixes: github.com/SAP/metrics-operator

gocyclo:
# minimal code complexity to report, 30 by default (but we recommend 10-20)
min-complexity: 10

dupl:
# tokens count to trigger issue, 150 by default
threshold: 100

goconst:
# minimal length of string constant, 3 by default
min-len: 3
# minimal occurrences count to trigger, 3 by default
min-occurrences: 5

lll:
# Max line length, lines longer will be reported.
# '\t' is counted as 1 character by default, and can be changed with the tab-width option.
# Default: 120.
line-length: 120
# Tab width in spaces.
# Default: 1
tab-width: 1

unused:
# treat code as a program (not a library) and report unused exported identifiers; default is false.
# XXX: if you enable this setting, unused will report a lot of false-positives in text editors:
# if it's called for subdir of a project it can't find funcs usages. All text editor integrations
# with golangci-lint call it on a directory with the changed file.
exported-fields-are-used: false

unparam:
# Inspect exported functions, default is false. Set to true if no external program/library imports your code.
# XXX: if you enable this setting, unparam will report a lot of false-positives in text editors:
# if it's called for subdir of a project it can't find external interfaces. All text editor integrations
# with golangci-lint call it on a directory with the changed file.
check-exported: false

nakedret:
# make an issue if func has more lines of code than this setting and it has naked returns; default is 30
max-func-lines: 30

prealloc:
# XXX: we don't recommend using this linter before doing performance profiling.
# For most programs usage of prealloc will be a premature optimization.

# Report preallocation suggestions only on simple loops that have no returns/breaks/continues/gotos in them.
# True by default.
simple: true
range-loops: true # Report preallocation suggestions on range loops, true by default
for-loops: false # Report preallocation suggestions on for loops, false by default

gocritic:
# Enable multiple checks by tags, run `GL_DEBUG=gocritic golangci-lint` run to see all tags and checks.
# Empty list by default. See https://github.com/go-critic/go-critic#usage -> section "Tags".
enabled-tags:
- performance

settings: # settings passed to gocritic
captLocal: # must be valid enabled check name
paramsOnly: true
rangeValCopy:
sizeThreshold: 32
version: "2"

linters:
enable:
- gosimple
- staticcheck
- unused
- govet
- gocyclo
- gocritic
- goconst
- goimports
- gofmt # We enable this as well as goimports for its simplify mode.
- prealloc
- revive
- unconvert
- misspell
- nakedret
disable:
- nilnesserr
presets:
- bugs
- unused
fast: false

settings:
errcheck:
# report about not checking of errors in type assetions: `a := b.(MyStruct)`;
# default is false: such cases aren't reported by default.
check-type-assertions: false

# report about assignment of errors to blank identifier: `num, _ := strconv.Atoi(numStr)`;
# default is false: such cases aren't reported by default.
check-blank: false

# [deprecated] comma-separated list of pairs of the form pkg:regex
# the regex is used to ignore names within pkg. (default "fmt:.*").
# see https://github.com/kisielk/errcheck#the-deprecated-method for details
exclude-functions:
- fmt:.*
- io/ioutil:^Read.*

govet:
# report about shadowed variables
disable:
- shadow
gocyclo:
# minimal code complexity to report, 30 by default (but we recommend 10-20)
min-complexity: 10

dupl:
# tokens count to trigger issue, 150 by default
threshold: 100

goconst:
# minimal length of string constant, 3 by default
min-len: 3
# minimal occurrences count to trigger, 3 by default
min-occurrences: 5

lll:
# Max line length, lines longer will be reported.
# '\t' is counted as 1 character by default, and can be changed with the tab-width option.
# Default: 120.
line-length: 120
# Tab width in spaces.
# Default: 1
tab-width: 1

unused:
# treat code as a program (not a library) and report unused exported identifiers; default is false.
# XXX: if you enable this setting, unused will report a lot of false-positives in text editors:
# if it's called for subdir of a project it can't find funcs usages. All text editor integrations
# with golangci-lint call it on a directory with the changed file.
exported-fields-are-used: false

unparam:
# Inspect exported functions, default is false. Set to true if no external program/library imports your code.
# XXX: if you enable this setting, unparam will report a lot of false-positives in text editors:
# if it's called for subdir of a project it can't find external interfaces. All text editor integrations
# with golangci-lint call it on a directory with the changed file.
check-exported: false

nakedret:
# make an issue if func has more lines of code than this setting and it has naked returns; default is 30
max-func-lines: 30

prealloc:
# XXX: we don't recommend using this linter before doing performance profiling.
# For most programs usage of prealloc will be a premature optimization.

# Report preallocation suggestions only on simple loops that have no returns/breaks/continues/gotos in them.
# True by default.
simple: true
range-loops: true # Report preallocation suggestions on range loops, true by default
for-loops: false # Report preallocation suggestions on for loops, false by default

gocritic:
# Enable multiple checks by tags, run `GL_DEBUG=gocritic golangci-lint` run to see all tags and checks.
# Empty list by default. See https://github.com/go-critic/go-critic#usage -> section "Tags".
enabled-tags:
- performance

settings: # settings passed to gocritic
captLocal: # must be valid enabled check name
paramsOnly: true
rangeValCopy:
sizeThreshold: 32

exclusions:
generated: strict
rules:
# Exclude some linters from running on tests files.
- path: _test(ing)?\.go
linters:
- gocyclo
- errcheck
- dupl
- gosec
- scopelint
- unparam
- revive

# Ease some gocritic warnings on test files.
- path: _test\.go
text: "(unnamedResult|exitAfterDefer)"
linters:
- gocritic

# These are performance optimisations rather than style issues per se.
# They warn when function arguments or range values copy a lot of memory
# rather than using a pointer.
- text: "(hugeParam|rangeValCopy):"
linters:
- gocritic

# This "TestMain should call os.Exit to set exit code" warning is not clever
# enough to notice that we call a helper method that calls os.Exit.
- text: "SA3000:"
linters:
- staticcheck

- text: "k8s.io/api/core/v1"
linters:
- goimports

# This is a "potential hardcoded credentials" warning. It's triggered by
# any variable with 'secret' in the same, and thus hits a lot of false
# positives in Kubernetes land where a Secret is an object type.
- text: "G101:"
linters:
- gosec
- gas

# This is an 'errors unhandled' warning that duplicates errcheck.
- text: "G104:"
linters:
- gosec
- gas
# ease package comments rule
- text: "package-comments:"
linters:
- revive

issues:
exclude-files:
- 'zz_generated.*\.go'
# Excluding configuration per-path and per-linter
exclude-rules:
# Exclude some linters from running on tests files.
- path: _test(ing)?\.go
linters:
- gocyclo
- errcheck
- dupl
- gosec
- scopelint
- unparam
- revive

# Ease some gocritic warnings on test files.
- path: _test\.go
text: "(unnamedResult|exitAfterDefer)"
linters:
- gocritic

# These are performance optimisations rather than style issues per se.
# They warn when function arguments or range values copy a lot of memory
# rather than using a pointer.
- text: "(hugeParam|rangeValCopy):"
linters:
- gocritic

# This "TestMain should call os.Exit to set exit code" warning is not clever
# enough to notice that we call a helper method that calls os.Exit.
- text: "SA3000:"
linters:
- staticcheck

- text: "k8s.io/api/core/v1"
linters:
- goimports

# This is a "potential hardcoded credentials" warning. It's triggered by
# any variable with 'secret' in the same, and thus hits a lot of false
# positives in Kubernetes land where a Secret is an object type.
- text: "G101:"
linters:
- gosec
- gas

# This is an 'errors unhandled' warning that duplicates errcheck.
- text: "G104:"
linters:
- gosec
- gas
# ease package comments rule
- text: "package-comments:"
linters:
- revive

# Independently from option `exclude` we use default exclude patterns,
# it can be disabled by this option. To list all
# excluded by default patterns execute `golangci-lint run --help`.
# Default value for this option is true.
exclude-use-default: false

# Show only new issues: if there are unstaged changes or untracked files,
# only those changes are analyzed, else only changes in HEAD~ are analyzed.
# It's a super-useful option for integration of golangci-lint into existing
Expand All @@ -192,5 +169,15 @@ issues:
# Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
max-same-issues: 0

formatters:
enable:
- gofmt
- goimports
settings:

gofmt:
# simplify code: gofmt with `-s` option, true by default
simplify: true

run:
timeout: 10m
4 changes: 2 additions & 2 deletions Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,7 @@ GOLANGCILINT ?= $(LOCALBIN)/golangci-lint
## Tool Versions
KUSTOMIZE_VERSION ?= v5.4.1
CONTROLLER_TOOLS_VERSION ?= v0.17.2
GOLANGCILINT_VERSION ?= v1.64.8
GOLANGCILINT_VERSION ?= v2.0.2

.PHONY: kustomize
kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
Expand Down Expand Up @@ -289,7 +289,7 @@ $(GOLANGCILINT): $(LOCALBIN)
echo "$(LOCALBIN)/golangci-lint version is not expected $(GOLANGCILINT_VERSION). Removing it before installing."; \
rm -rf $(LOCALBIN)/golangci-lint; \
fi
test -s $(golangci-lint)/golangci-lint || GOBIN=$(LOCALBIN) GO111MODULE=on go install github.com/golangci/golangci-lint/cmd/golangci-lint@$(GOLANGCILINT_VERSION)
test -s $(golangci-lint)/golangci-lint || GOBIN=$(LOCALBIN) GO111MODULE=on go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@$(GOLANGCILINT_VERSION)


.PHONY: lint
Expand Down
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