tests: Rename linearizability tests to robustness

Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>

.github/workflows/robustness-nightly.yaml

@@ -1,4 +1,4 @@
-name: Linearizability Nightly
+name: Robustness Nightly
 permissions: read-all
 on:
   # schedules always run against the main branch, hence we have to create separate jobs
@@ -8,21 +8,21 @@ on:
 jobs:
   test-main:
     # GHA has a maximum amount of 6h execution time, we try to get done within 3h
-    uses: ./.github/workflows/linearizability-template.yaml
+    uses: ./.github/workflows/robustness-template.yaml
     with:
       ref: main
       count: 100
       testTimeout: 200m
       artifactName: test-main
   test-35:
-    uses: ./.github/workflows/linearizability-template.yaml
+    uses: ./.github/workflows/robustness-template.yaml
     with:
       ref: release-3.5
       count: 100
       testTimeout: 200m
       artifactName: test-35
   test-34:
-    uses: ./.github/workflows/linearizability-template.yaml
+    uses: ./.github/workflows/robustness-template.yaml
     with:
       ref: release-3.4
       count: 100

.github/workflows/robustness-template.yaml

@@ -1,4 +1,4 @@
-name: Reusable Linearizability Workflow
+name: Reusable Robustness Workflow
 on:
   workflow_call:
     inputs:
@@ -43,12 +43,12 @@ jobs:
             make build
             ;;
           esac
-    - name: test-linearizability
+    - name: test-robustness
       run: |
         # Use --failfast to avoid overriding report generated by failed test
-        EXPECT_DEBUG=true GO_TEST_FLAGS='-v --count ${{ inputs.count }} --timeout ${{ inputs.testTimeout }} --failfast --run TestLinearizability' RESULTS_DIR=/tmp/linearizability make test-linearizability
+        EXPECT_DEBUG=true GO_TEST_FLAGS='-v --count ${{ inputs.count }} --timeout ${{ inputs.testTimeout }} --failfast --run TestRobustness' RESULTS_DIR=/tmp/results make test-robustness
     - uses: actions/upload-artifact@v2
       if: always()
       with:
         name: ${{ inputs.artifactName }}
-        path: /tmp/linearizability/*
+        path: /tmp/results/*

.github/workflows/robustness.yaml

@@ -1,9 +1,9 @@
-name: Linearizability
+name: Robustness
 on: [push, pull_request]
 permissions: read-all
 jobs:
   test:
-    uses: ./.github/workflows/linearizability-template.yaml
+    uses: ./.github/workflows/robustness-template.yaml
     with:
       ref: ${{ github.ref }}
       count: 15

Makefile

@@ -33,9 +33,9 @@ test-e2e: build
 test-e2e-release: build
 	PASSES="release e2e" ./scripts/test.sh $(GO_TEST_FLAGS)
 
-.PHONY: test-linearizability
-test-linearizability:
-	PASSES="linearizability" ./scripts/test.sh $(GO_TEST_FLAGS)
+.PHONY: test-robustness
+test-robustness:
+	PASSES="robustness" ./scripts/test.sh $(GO_TEST_FLAGS)
 
 .PHONY: fuzz
 fuzz: 

README.md

@@ -23,7 +23,7 @@ etcd is a distributed reliable key-value store for the most critical data of a d
 
 etcd is written in Go and uses the [Raft][] consensus algorithm to manage a highly-available replicated log.
 
-etcd is used [in production by many companies](./ADOPTERS.md), and the development team stands behind it in critical deployment scenarios, where etcd is frequently teamed with applications such as [Kubernetes][k8s], [locksmith][], [vulcand][], [Doorman][], and many others. Reliability is further ensured by [**rigorous testing**](https://github.com/etcd-io/etcd/tree/main/tests/linearizability).
+etcd is used [in production by many companies](./ADOPTERS.md), and the development team stands behind it in critical deployment scenarios, where etcd is frequently teamed with applications such as [Kubernetes][k8s], [locksmith][], [vulcand][], [Doorman][], and many others. Reliability is further ensured by rigorous [**robustness testing**](https://github.com/etcd-io/etcd/tree/main/tests/robustness).
 
 See [etcdctl][etcdctl] for a simple command line client.
 

scripts/test.sh

@@ -124,9 +124,9 @@ function e2e_pass {
   run_for_module "tests" go_test "./common/..." "keep_going" : --tags=e2e -timeout="${TIMEOUT:-30m}" "${RUN_ARG[@]}" "$@"
 }
 
-function linearizability_pass {
+function robustness_pass {
   # e2e tests are running pre-build binary. Settings like --race,-cover,-cpu does not have any impact.
-  run_for_module "tests" go_test "./linearizability/..." "keep_going" : -timeout="${TIMEOUT:-30m}" "${RUN_ARG[@]}" "$@"
+  run_for_module "tests" go_test "./robustness/..." "keep_going" : -timeout="${TIMEOUT:-30m}" "${RUN_ARG[@]}" "$@"
 }
 
 function integration_e2e_pass {

tests/robustness/client.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package linearizability
+package robustness
 
 import (
 	"context"
@@ -22,8 +22,8 @@ import (
 
 	"go.etcd.io/etcd/api/v3/mvccpb"
 	clientv3 "go.etcd.io/etcd/client/v3"
-	"go.etcd.io/etcd/tests/v3/linearizability/identity"
-	"go.etcd.io/etcd/tests/v3/linearizability/model"
+	"go.etcd.io/etcd/tests/v3/robustness/identity"
+	"go.etcd.io/etcd/tests/v3/robustness/model"
 )
 
 type recordingClient struct {

tests/robustness/failpoints.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package linearizability
+package robustness
 
 import (
 	"context"

tests/robustness/linearizability_test.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package linearizability
+package robustness
 
 import (
 	"context"
@@ -25,7 +25,7 @@ import (
 	"golang.org/x/sync/errgroup"
 
 	"go.etcd.io/etcd/tests/v3/framework/e2e"
-	"go.etcd.io/etcd/tests/v3/linearizability/model"
+	"go.etcd.io/etcd/tests/v3/robustness/model"
 )
 
 const (
@@ -76,7 +76,7 @@ var (
 	}
 )
 
-func TestLinearizability(t *testing.T) {
+func TestRobustness(t *testing.T) {
 	testRunner.BeforeTest(t)
 	type scenario struct {
 		name      string
@@ -157,7 +157,7 @@ func TestLinearizability(t *testing.T) {
 			lg := zaptest.NewLogger(t)
 			scenario.config.Logger = lg
 			ctx := context.Background()
-			testLinearizability(ctx, t, lg, scenario.config, scenario.traffic, FailpointConfig{
+			testRobustness(ctx, t, lg, scenario.config, scenario.traffic, FailpointConfig{
 				failpoint:           scenario.failpoint,
 				count:               1,
 				retries:             3,
@@ -167,7 +167,7 @@ func TestLinearizability(t *testing.T) {
 	}
 }
 
-func testLinearizability(ctx context.Context, t *testing.T, lg *zap.Logger, config e2e.EtcdProcessClusterConfig, traffic *trafficConfig, failpoint FailpointConfig) {
+func testRobustness(ctx context.Context, t *testing.T, lg *zap.Logger, config e2e.EtcdProcessClusterConfig, traffic *trafficConfig, failpoint FailpointConfig) {
 	r := report{lg: lg}
 	var err error
 	r.clus, err = e2e.NewEtcdProcessCluster(ctx, t, e2e.WithConfig(&config))

tests/robustness/main_test.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package linearizability
+package robustness
 
 import (
 	"testing"

tests/robustness/model/history.go

@@ -24,7 +24,7 @@ import (
 
 	"go.etcd.io/etcd/api/v3/etcdserverpb"
 	clientv3 "go.etcd.io/etcd/client/v3"
-	"go.etcd.io/etcd/tests/v3/linearizability/identity"
+	"go.etcd.io/etcd/tests/v3/robustness/identity"
 )
 
 // ValidateOperationHistoryAndReturnVisualize return visualize as porcupine.linearizationInfo used to generate visualization is private.

tests/robustness/report.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package linearizability
+package robustness
 
 import (
 	"encoding/json"

tests/robustness/traffic.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package linearizability
+package robustness
 
 import (
 	"context"
@@ -30,8 +30,8 @@ import (
 	"go.etcd.io/etcd/api/v3/mvccpb"
 	clientv3 "go.etcd.io/etcd/client/v3"
 	"go.etcd.io/etcd/tests/v3/framework/e2e"
-	"go.etcd.io/etcd/tests/v3/linearizability/identity"
-	"go.etcd.io/etcd/tests/v3/linearizability/model"
+	"go.etcd.io/etcd/tests/v3/robustness/identity"
+	"go.etcd.io/etcd/tests/v3/robustness/model"
 )
 
 var (

tests/robustness/watch.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package linearizability
+package robustness
 
 import (
 	"context"
@@ -28,7 +28,7 @@ import (
 	"go.etcd.io/etcd/api/v3/mvccpb"
 	clientv3 "go.etcd.io/etcd/client/v3"
 	"go.etcd.io/etcd/tests/v3/framework/e2e"
-	"go.etcd.io/etcd/tests/v3/linearizability/model"
+	"go.etcd.io/etcd/tests/v3/robustness/model"
 )
 
 func collectClusterWatchEvents(ctx context.Context, t *testing.T, lg *zap.Logger, clus *e2e.EtcdProcessCluster) [][]watchResponse {