Merge pull request kubernetes#81771 from RainbowMango/pr_fix_static_error_for_gce

Cleanup gce static analysis issues

Author: k8s-ci-robot

hack/.staticcheck_failures

@@ -251,7 +251,6 @@ vendor/k8s.io/kubectl/pkg/describe/versioned
 vendor/k8s.io/kubectl/pkg/scale
 vendor/k8s.io/legacy-cloud-providers/aws
 vendor/k8s.io/legacy-cloud-providers/azure
-vendor/k8s.io/legacy-cloud-providers/gce
 vendor/k8s.io/legacy-cloud-providers/vsphere
 vendor/k8s.io/metrics/pkg/client/custom_metrics
 vendor/k8s.io/sample-controller

staging/src/k8s.io/legacy-cloud-providers/gce/gce.go

@@ -863,7 +863,7 @@ func newOauthClient(tokenSource oauth2.TokenSource) (*http.Client, error) {
 	if tokenSource == nil {
 		var err error
 		tokenSource, err = google.DefaultTokenSource(
-			oauth2.NoContext,
+			context.Background(),
 			compute.CloudPlatformScope,
 			compute.ComputeScope)
 		klog.Infof("Using DefaultTokenSource %#v", tokenSource)
@@ -890,7 +890,7 @@ func newOauthClient(tokenSource oauth2.TokenSource) (*http.Client, error) {
 		return nil, err
 	}
 
-	return oauth2.NewClient(oauth2.NoContext, tokenSource), nil
+	return oauth2.NewClient(context.Background(), tokenSource), nil
 }
 
 func (manager *gceServiceManager) getProjectsAPIEndpoint() string {
@@ -901,12 +901,3 @@ func (manager *gceServiceManager) getProjectsAPIEndpoint() string {
 
 	return projectsAPIEndpoint
 }
-
-func (manager *gceServiceManager) getProjectsAPIEndpointBeta() string {
-	projectsAPIEndpoint := gceComputeAPIEndpointBeta + "projects/"
-	if manager.gce.service != nil {
-		projectsAPIEndpoint = manager.gce.serviceBeta.BasePath
-	}
-
-	return projectsAPIEndpoint
-}

staging/src/k8s.io/legacy-cloud-providers/gce/gce_alpha.go

@@ -18,10 +18,6 @@ limitations under the License.
 
 package gce
 
-import (
-	"fmt"
-)
-
 const (
 	// AlphaFeatureNetworkTiers allows Services backed by a GCP load balancer to choose
 	// what network tier to use. Currently supports "Standard" and "Premium" (default).
@@ -54,10 +50,3 @@ func NewAlphaFeatureGate(features []string) *AlphaFeatureGate {
 	}
 	return &AlphaFeatureGate{featureMap}
 }
-
-func (g *Cloud) alphaFeatureEnabled(feature string) error {
-	if !g.AlphaFeatureGate.Enabled(feature) {
-		return fmt.Errorf("alpha feature %q is not enabled", feature)
-	}
-	return nil
-}

staging/src/k8s.io/legacy-cloud-providers/gce/gce_instances.go

@@ -111,15 +111,15 @@ func (g *Cloud) NodeAddresses(_ context.Context, _ types.NodeName) ([]v1.NodeAdd
 // NodeAddressesByProviderID will not be called from the node that is requesting this ID.
 // i.e. metadata service and other local methods cannot be used here
 func (g *Cloud) NodeAddressesByProviderID(ctx context.Context, providerID string) ([]v1.NodeAddress, error) {
-	ctx, cancel := cloud.ContextWithCallTimeout()
+	timeoutCtx, cancel := cloud.ContextWithCallTimeout()
 	defer cancel()
 
 	_, zone, name, err := splitProviderID(providerID)
 	if err != nil {
 		return []v1.NodeAddress{}, err
 	}
 
-	instance, err := g.c.Instances().Get(ctx, meta.ZonalKey(canonicalizeInstanceName(name), zone))
+	instance, err := g.c.Instances().Get(timeoutCtx, meta.ZonalKey(canonicalizeInstanceName(name), zone))
 	if err != nil {
 		return []v1.NodeAddress{}, fmt.Errorf("error while querying for providerID %q: %v", providerID, err)
 	}

staging/src/k8s.io/legacy-cloud-providers/gce/gce_loadbalancer_external_test.go

@@ -571,6 +571,7 @@ func TestTargetPoolNeedsRecreation(t *testing.T) {
 	require.NoError(t, err)
 	hostNames := nodeNames(nodes)
 	hosts, err := gce.getInstancesByNames(hostNames)
+	require.NoError(t, err)
 
 	var instances []string
 	for _, host := range hosts {
@@ -762,6 +763,7 @@ func TestFirewallNeedsUpdate(t *testing.T) {
 			fw.Allowed[0].IPProtocol = "tcp"
 			fw.SourceRanges[0] = trueSourceRange
 			fw, err = gce.GetFirewall(MakeFirewallName(tc.lbName))
+			require.NoError(t, err)
 			require.Equal(t, fw.Allowed[0].IPProtocol, "tcp")
 			require.Equal(t, fw.SourceRanges[0], trueSourceRange)
 
@@ -801,6 +803,7 @@ func TestEnsureTargetPoolAndHealthCheck(t *testing.T) {
 
 	hostNames := nodeNames(nodes)
 	hosts, err := gce.getInstancesByNames(hostNames)
+	require.NoError(t, err)
 	clusterID := vals.ClusterID
 
 	ipAddr := status.Ingress[0].IP
@@ -813,15 +816,19 @@ func TestEnsureTargetPoolAndHealthCheck(t *testing.T) {
 	// Apply a tag on the target pool. By verifying the change of the tag, target pool update can be ensured.
 	tag := "A Tag"
 	pool, err := gce.GetTargetPool(lbName, region)
+	require.NoError(t, err)
 	pool.CreationTimestamp = tag
 	pool, err = gce.GetTargetPool(lbName, region)
+	require.NoError(t, err)
 	require.Equal(t, tag, pool.CreationTimestamp)
 	err = gce.ensureTargetPoolAndHealthCheck(true, true, svc, lbName, clusterID, ipAddr, hosts, hcToCreate, hcToDelete)
 	assert.NoError(t, err)
 	pool, err = gce.GetTargetPool(lbName, region)
+	require.NoError(t, err)
 	assert.NotEqual(t, pool.CreationTimestamp, tag)
 
 	pool, err = gce.GetTargetPool(lbName, region)
+	require.NoError(t, err)
 	assert.Equal(t, 1, len(pool.Instances))
 	var manyNodeName [maxTargetPoolCreateInstances + 1]string
 	for i := 0; i < maxTargetPoolCreateInstances+1; i++ {
@@ -831,15 +838,18 @@ func TestEnsureTargetPoolAndHealthCheck(t *testing.T) {
 	require.NoError(t, err)
 	manyHostNames := nodeNames(manyNodes)
 	manyHosts, err := gce.getInstancesByNames(manyHostNames)
+	require.NoError(t, err)
 	err = gce.ensureTargetPoolAndHealthCheck(true, true, svc, lbName, clusterID, ipAddr, manyHosts, hcToCreate, hcToDelete)
 	assert.NoError(t, err)
 
 	pool, err = gce.GetTargetPool(lbName, region)
+	require.NoError(t, err)
 	assert.Equal(t, maxTargetPoolCreateInstances+1, len(pool.Instances))
 
 	err = gce.ensureTargetPoolAndHealthCheck(true, false, svc, lbName, clusterID, ipAddr, hosts, hcToCreate, hcToDelete)
 	assert.NoError(t, err)
 	pool, err = gce.GetTargetPool(lbName, region)
+	require.NoError(t, err)
 	assert.Equal(t, 1, len(pool.Instances))
 }
 
@@ -1011,6 +1021,7 @@ func TestEnsureExternalLoadBalancerErrors(t *testing.T) {
 	} {
 		t.Run(desc, func(t *testing.T) {
 			gce, err := fakeGCECloud(DefaultTestClusterValues())
+			require.NoError(t, err)
 			nodes, err := createAndInsertNodes(gce, []string{"test-node-1"}, vals.ZoneName)
 			require.NoError(t, err)
 			svc := fakeLoadbalancerService("")

staging/src/k8s.io/legacy-cloud-providers/gce/gce_loadbalancer_internal_test.go

@@ -64,6 +64,7 @@ func TestEnsureInternalBackendServiceUpdates(t *testing.T) {
 	svc := fakeLoadbalancerService(string(LBTypeInternal))
 	lbName := gce.GetLoadBalancerName(context.TODO(), "", svc)
 	nodes, err := createAndInsertNodes(gce, nodeNames, vals.ZoneName)
+	require.NoError(t, err)
 	igName := makeInstanceGroupName(vals.ClusterID)
 	igLinks, err := gce.ensureInternalInstanceGroups(igName, nodes)
 	require.NoError(t, err)
@@ -110,6 +111,7 @@ func TestEnsureInternalBackendServiceGroups(t *testing.T) {
 			svc := fakeLoadbalancerService(string(LBTypeInternal))
 			lbName := gce.GetLoadBalancerName(context.TODO(), "", svc)
 			nodes, err := createAndInsertNodes(gce, nodeNames, vals.ZoneName)
+			require.NoError(t, err)
 			igName := makeInstanceGroupName(vals.ClusterID)
 			igLinks, err := gce.ensureInternalInstanceGroups(igName, nodes)
 			require.NoError(t, err)
@@ -180,6 +182,7 @@ func TestEnsureInternalLoadBalancerWithExistingResources(t *testing.T) {
 	require.NoError(t, err)
 
 	nodes, err := createAndInsertNodes(gce, nodeNames, vals.ZoneName)
+	require.NoError(t, err)
 	igName := makeInstanceGroupName(vals.ClusterID)
 	igLinks, err := gce.ensureInternalInstanceGroups(igName, nodes)
 	require.NoError(t, err)
@@ -499,6 +502,7 @@ func TestClearPreviousInternalResources(t *testing.T) {
 	err = gce.ensureInternalBackendService(svc.ObjectMeta.Name, "", svc.Spec.SessionAffinity, cloud.SchemeInternal, v1.ProtocolTCP, []string{}, "")
 	require.NoError(t, err)
 	backendSvc, err := gce.GetRegionBackendService(svc.ObjectMeta.Name, gce.region)
+	require.NoError(t, err)
 	backendSvc.HealthChecks = []string{hc1.SelfLink, hc2.SelfLink}
 
 	c.MockRegionBackendServices.DeleteHook = mock.DeleteRegionBackendServicesErrHook
@@ -747,6 +751,7 @@ func TestEnsureInternalLoadBalancerErrors(t *testing.T) {
 	} {
 		t.Run(desc, func(t *testing.T) {
 			gce, err := fakeGCECloud(DefaultTestClusterValues())
+			require.NoError(t, err)
 			nodes, err := createAndInsertNodes(gce, []string{"test-node-1"}, vals.ZoneName)
 			require.NoError(t, err)
 			params = newEnsureILBParams(nodes)

staging/src/k8s.io/legacy-cloud-providers/gce/gce_routes.go

@@ -40,13 +40,13 @@ func newRoutesMetricContext(request string) *metricContext {
 
 // ListRoutes in the cloud environment.
 func (g *Cloud) ListRoutes(ctx context.Context, clusterName string) ([]*cloudprovider.Route, error) {
-	ctx, cancel := cloud.ContextWithCallTimeout()
+	timeoutCtx, cancel := cloud.ContextWithCallTimeout()
 	defer cancel()
 
 	mc := newRoutesMetricContext("list")
 	prefix := truncateClusterName(clusterName)
 	f := filter.Regexp("name", prefix+"-.*").AndRegexp("network", g.NetworkURL()).AndRegexp("description", k8sNodeRouteTag)
-	routes, err := g.c.Routes().List(ctx, f)
+	routes, err := g.c.Routes().List(timeoutCtx, f)
 	if err != nil {
 		return nil, mc.Observe(err)
 	}
@@ -66,7 +66,7 @@ func (g *Cloud) ListRoutes(ctx context.Context, clusterName string) ([]*cloudpro
 
 // CreateRoute in the cloud environment.
 func (g *Cloud) CreateRoute(ctx context.Context, clusterName string, nameHint string, route *cloudprovider.Route) error {
-	ctx, cancel := cloud.ContextWithCallTimeout()
+	timeoutCtx, cancel := cloud.ContextWithCallTimeout()
 	defer cancel()
 
 	mc := newRoutesMetricContext("create")
@@ -84,7 +84,7 @@ func (g *Cloud) CreateRoute(ctx context.Context, clusterName string, nameHint st
 		Priority:        1000,
 		Description:     k8sNodeRouteTag,
 	}
-	err = g.c.Routes().Insert(ctx, meta.GlobalKey(cr.Name), cr)
+	err = g.c.Routes().Insert(timeoutCtx, meta.GlobalKey(cr.Name), cr)
 	if isHTTPErrorCode(err, http.StatusConflict) {
 		klog.Infof("Route %q already exists.", cr.Name)
 		err = nil
@@ -94,11 +94,11 @@ func (g *Cloud) CreateRoute(ctx context.Context, clusterName string, nameHint st
 
 // DeleteRoute from the cloud environment.
 func (g *Cloud) DeleteRoute(ctx context.Context, clusterName string, route *cloudprovider.Route) error {
-	ctx, cancel := cloud.ContextWithCallTimeout()
+	timeoutCtx, cancel := cloud.ContextWithCallTimeout()
 	defer cancel()
 
 	mc := newRoutesMetricContext("delete")
-	return mc.Observe(g.c.Routes().Delete(ctx, meta.GlobalKey(route.Name)))
+	return mc.Observe(g.c.Routes().Delete(timeoutCtx, meta.GlobalKey(route.Name)))
 }
 
 func truncateClusterName(clusterName string) string {

staging/src/k8s.io/legacy-cloud-providers/gce/token_source.go

@@ -19,6 +19,7 @@ limitations under the License.
 package gce
 
 import (
+	"context"
 	"encoding/json"
 	"net/http"
 	"strings"
@@ -106,7 +107,7 @@ func (a *AltTokenSource) token() (*oauth2.Token, error) {
 
 // NewAltTokenSource constructs a new alternate token source for generating tokens.
 func NewAltTokenSource(tokenURL, tokenBody string) oauth2.TokenSource {
-	client := oauth2.NewClient(oauth2.NoContext, google.ComputeTokenSource(""))
+	client := oauth2.NewClient(context.Background(), google.ComputeTokenSource(""))
 	a := &AltTokenSource{
 		oauthClient: client,
 		tokenURL:    tokenURL,