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*: fix ineffassign lint #16605

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Sep 20, 2023
Merged

*: fix ineffassign lint #16605

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11 changes: 10 additions & 1 deletion Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -85,8 +85,13 @@ fix-bom:
verify-dep:
PASSES="dep" ./scripts/test.sh

# TODO: https://github.com/etcd-io/etcd/issues/16610
#
# The golangci-lint doesn't verify sub modules. Before #16610 fixed, verify-lint
# still depends on legacy {ineffassign,nakedret,unparam,...}_pass. These X_pass
# will be removed when the golangci-lint covers all the sub modules.
.PHONY: verify-lint
verify-lint:
verify-lint: verify-ineffassign
golangci-lint run --config tools/.golangci.yaml

.PHONY: fix-lint
Expand Down Expand Up @@ -145,6 +150,10 @@ verify-yamllint:
verify-govet-shadow:
PASSES="govet_shadow" ./scripts/test.sh

.PHONY: verify-ineffassign
verify-ineffassign:
PASSES="ineffassign" ./scripts/test.sh

YAMLFMT_VERSION = $(shell cd tools/mod && go list -m -f '{{.Version}}' github.com/google/yamlfmt)

.PHONY: fix-yamllint
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11 changes: 1 addition & 10 deletions scripts/test.sh
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Expand Up @@ -442,17 +442,8 @@ function unconvert_pass {
run_for_modules generic_checker run_go_tool "github.com/mdempsky/unconvert" unconvert -v
}

function ineffassign_per_package {
# bash 3.x compatible replacement of: mapfile -t gofiles < <(go_srcs_in_module)
local gofiles=()
while IFS= read -r line; do gofiles+=("$line"); done < <(go_srcs_in_module)

# TODO: ineffassign should work with package instead of files
run_go_tool github.com/gordonklaus/ineffassign "${gofiles[@]}"
}

function ineffassign_pass {
run_for_modules generic_checker ineffassign_per_package
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Shouldn't ineffassign be enabled as part of golangci? Check tools/.golangci.yaml

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@fuweid fuweid Sep 19, 2023 •
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Thanks for the reminder! The tools/.golangci.yaml already has the ineffassign. But the golangci-lint doesn't support multiple modules so... currently the make verify-lint doesn't work.

# at root (no error)
➜  etcd git:(main) golangci-lint run --config ./tools/.golangci.yaml  -v
INFO [config_reader] Used config file tools/.golangci.yaml
INFO [lintersdb] Active 7 linters: [goimports ineffassign revive staticcheck stylecheck unconvert unused]
INFO [loader] Go packages loading at mode 575 (types_sizes|compiled_files|deps|exports_file|files|imports|name) took 412.865392ms
INFO [runner/filename_unadjuster] Pre-built 0 adjustments in 6.088202ms
INFO [linters_context/goanalysis] analyzers took 0s with no stages
INFO [runner] Issues before processing: 10, after processing: 0
INFO [runner] Processors filtering stat (out/in): exclude-rules: 0/10, identifier_marker: 10/10, skip_dirs: 10/10, filename_unadjuster: 10/10, path_prettifier: 10/10, skip_files: 10/10, autogenerated_exclude: 10/10, exclude: 10/10, cgo: 10/10
INFO [runner] processing took 1.314322ms with stages: path_prettifier: 465.208µs, exclude-rules: 277.505µs, autogenerated_exclude: 251.005µs, identifier_marker: 221.403µs, skip_dirs: 70.401µs, skip_files: 19µs, cgo: 3µs, filename_unadjuster: 1.4µs, max_same_issues: 1.4µs, nolint: 900ns, fixer: 900ns, diff: 400ns, source_code: 400ns, max_from_linter: 300ns, max_per_file_from_linter: 200ns, uniq_by_line: 200ns, path_prefixer: 200ns, exclude: 200ns, severity-rules: 100ns, path_shortener: 100ns, sort_results: 100ns
INFO [runner] linters took 154.52938ms with stages: goanalysis_metalinter: 152.939553ms
INFO File cache stats: 0 entries of total size 0B
INFO Memory: 7 samples, avg is 33.4MB, max is 50.9MB
INFO Execution took 588.932231ms


# cd ./server
➜  server git:(main) golangci-lint run --config ../tools/.golangci.yaml
lease/lease_queue.go:25:6: exported: type name will be used as lease.LeaseWithTime by other packages, and that stutters; consider calling this WithTime (revive)
type LeaseWithTime struct {
     ^
lease/lessor.go:823:39: unused-parameter: parameter 'dr' seems to be unused, consider removing or renaming it as _ (revive)
func (fl *FakeLessor) SetRangeDeleter(dr RangeDeleter) {}
                                      ^
lease/lease.go:119:6: exported: type name will be used as lease.LeaseItem by other packages, and that stutters; consider calling this Item (revive)
type LeaseItem struct {
     ^
lease/lease_queue.go:31:6: exported: type name will be used as lease.LeaseQueue by other packages, and that stutters; consider calling this Queue (revive)
type LeaseQueue []*LeaseWithTime

May I fix the lint one by one and then fix the make verify-lint after that? The small changeset is easy to be reviewed.

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Oh, that's unfortunate. Fixing golangci sounds good to me. Thanks for investigating this!

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After fixing all the lint's issues, I will fix golangci-lint issue.

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Can you file an issue about golangci being broken so we can track fixes to lint issues in one place?

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Filed #16610 .

run_for_modules generic_checker run_go_tool "github.com/gordonklaus/ineffassign"
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What's your plan for ineffassign_pass if this will be covered by make verify-lint? Should we maybe remove it?

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# TODO: https://github.com/etcd-io/etcd/issues/16610
#
# The golangci-lint doesn't verify sub modules. Before #16610 fixed, verify-lint
# still depends on legacy {ineffassign,nakedret,unparam,...}_pass. These X_pass
# will be removed when the golangci-lint covers all the sub modules.
.PHONY: verify-lint
verify-lint: verify-ineffassign
	golangci-lint run --config tools/.golangci.yaml

I add new recipe verify-ineffassign and verify-lint depends on it. So, it can cover the new change.
when all the lint issues are covered by _pass, we can switch to golangci-lint. After that, all the legacy lint_pass can be removed. Does it make senses?

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@serathius serathius Sep 19, 2023 •
edited
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Makes sense, should be good to prevent regressions until we fix golangci.

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when all the lint issues are covered by _pass, we can switch to golangci-lint. After that, all the legacy lint_pass can be removed.

I assume there is a ticket to track this.

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Yes. #16610 is tracking this

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thx

}

function nakedret_pass {
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4 changes: 0 additions & 4 deletions server/lease/lessor_bench_test.go
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Expand Up @@ -90,7 +90,6 @@ func benchmarkLessorGrant(benchSize int, b *testing.B) {
b.StopTimer()
if tearDown != nil {
tearDown()
tearDown = nil
}
le, tearDown = setUp(b)
b.StartTimer()
Expand All @@ -117,7 +116,6 @@ func benchmarkLessorRevoke(benchSize int, b *testing.B) {
b.StopTimer()
if tearDown != nil {
tearDown()
tearDown = nil
}
le, tearDown = setUp(b)
for j := 1; j <= benchSize; j++ {
Expand Down Expand Up @@ -148,7 +146,6 @@ func benchmarkLessorRenew(benchSize int, b *testing.B) {
b.StopTimer()
if tearDown != nil {
tearDown()
tearDown = nil
}
le, tearDown = setUp(b)
for j := 1; j <= benchSize; j++ {
Expand Down Expand Up @@ -181,7 +178,6 @@ func benchmarkLessorFindExpired(benchSize int, b *testing.B) {
b.StopTimer()
if tearDown != nil {
tearDown()
tearDown = nil
}
le, tearDown = setUp(b)
for j := 1; j <= benchSize; j++ {
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2 changes: 1 addition & 1 deletion tests/common/compact_test.go
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Expand Up @@ -69,7 +69,7 @@ func TestCompact(t *testing.T) {
t.Fatalf("compactTest: Compact error (%v)", err)
}

get, err = cc.Get(ctx, "key", config.GetOptions{Revision: 3})
_, err = cc.Get(ctx, "key", config.GetOptions{Revision: 3})
if err != nil {
if !strings.Contains(err.Error(), "required revision has been compacted") {
t.Fatalf("compactTest: Get compact key error (%v)", err)
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2 changes: 2 additions & 0 deletions tests/e2e/corrupt_test.go
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Expand Up @@ -324,6 +324,7 @@ func TestCompactHashCheckDetectCorruptionInterrupt(t *testing.T) {

t.Log("compaction started...")
_, err = cc.Compact(ctx, 5, config.CompactOption{})
require.NoError(t, err)

err = epc.Procs[slowCompactionNodeIndex].Close()
require.NoError(t, err)
Expand All @@ -333,6 +334,7 @@ func TestCompactHashCheckDetectCorruptionInterrupt(t *testing.T) {

t.Logf("restart proc %d to interrupt its compaction...", slowCompactionNodeIndex)
err = epc.Procs[slowCompactionNodeIndex].Restart(ctx)
require.NoError(t, err)

// Wait until the node finished compaction and the leader finished compaction hash check
_, err = epc.Procs[slowCompactionNodeIndex].Logs().ExpectWithContext(ctx, expect.ExpectedResponse{Value: "finished scheduled compaction"})
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1 change: 1 addition & 0 deletions tests/e2e/ctl_v3_member_test.go
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Expand Up @@ -71,6 +71,7 @@ func memberListSerializableTest(cx ctlCtx) {
require.NoError(cx.t, err)

resp, err = getMemberList(cx, true)
require.NoError(cx.t, err)
require.Equal(cx.t, 2, len(resp.Members))
}

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2 changes: 2 additions & 0 deletions tests/e2e/v3_curl_cluster_test.go
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Expand Up @@ -71,6 +71,8 @@ func testCurlV3ClusterOperations(cx ctlCtx) {
// update member
cx.t.Logf("Update peerURL from %q to %q for member %q", peerURL, updatedPeerURL, newMemberIDStr)
newMemberID, err := strconv.ParseUint(newMemberIDStr, 10, 64)
require.NoError(cx.t, err)

updateMemberReq, err := json.Marshal(&pb.MemberUpdateRequest{ID: newMemberID, PeerURLs: []string{updatedPeerURL}})
require.NoError(cx.t, err)

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2 changes: 1 addition & 1 deletion tests/framework/e2e/cluster.go
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Expand Up @@ -510,7 +510,7 @@ func (cfg *EtcdProcessClusterConfig) EtcdServerProcessConfig(tb testing.TB, i in

name := fmt.Sprintf("%s-test-%d", testNameCleanRegex.ReplaceAllString(tb.Name(), ""), i)

dataDirPath := cfg.DataDirPath
var dataDirPath string
if cfg.DataDirPath == "" {
dataDirPath = tb.TempDir()
} else {
Expand Down
4 changes: 2 additions & 2 deletions tests/integration/v3_auth_test.go
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Expand Up @@ -444,12 +444,12 @@ func TestV3AuthWatchAndTokenExpire(t *testing.T) {
// The first watch gets a valid auth token through watcher.newWatcherGrpcStream()
// We should discard the first one by waiting TTL after the first watch.
wChan := c.Watch(ctx, "key", clientv3.WithRev(1))
watchResponse := <-wChan
<-wChan

time.Sleep(5 * time.Second)

wChan = c.Watch(ctx, "key", clientv3.WithRev(1))
watchResponse = <-wChan
watchResponse := <-wChan
testutil.AssertNil(t, watchResponse.Err())
}

Expand Down
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