From 9acf62d867145a071ad715020292bbb887289ba0 Mon Sep 17 00:00:00 2001 From: Mateusz Gozdek Date: Sun, 26 Sep 2021 19:44:22 +0200 Subject: [PATCH] images/kube-webhook-certgen/rootfs: add support for patching APIService objects (#7641) * images/kube-webhook-certgen/rootfs/pkg/k8s: return err from functions Initially only from some to preserve existing behavior. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs: make patching return error So we don't call log.Fatal in so many places, which makes code testable. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs/pkg/k8s: require context So initialize top-level contexts in tests and CLI, then pass them around all the way down, so there is an ability e.g. to add timeouts to patch operations, if needed and to follow general conventions. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs/pkg/k8s: support patching APIService APIService object is very similar to MutatingWebhookConfiguration and ValidatingWebhookConfiguration objects, so support for patching it shouldn't be too much of a burden. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs/cmd: use new patch API So old function PatchWebhookConfigurations can be unexported and CLI can be extended to also support patching APIService. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs/pkg/k8s: unexport old patch function PatchObjects should be now used instead. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs: add .gitignore To ignore manually built binaries during development process. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs/cmd: test patching By adding a PatchConfig and Patch function, it is now possible to test logic of flag validation, which was previously tied to CLI options. This commit adds nice set of tests covering existing logic. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs/cmd: improve formatting Those strings will be changed anyway in future commits, so at first we can properly capitalize used names. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs/cmd: support patching APIService As logic for creating a CA certificate and patching an object is almost the same for both webhook configuration and API services, this commit adds support to kube-webhook-certgen CLI to also patch APIService objects, so they can be served over TLS as well. Signed-off-by: Mateusz Gozdek * images/kube-webhook-certgen/rootfs: pass failure policy by value k8s.k8s.patchWebhookConfigurations() always dereferences it and we do not do a nil check, so the code may panic in some conditions, so it's safer to just pass it by value, as it's just a wrapped string. Signed-off-by: Mateusz Gozdek --- images/kube-webhook-certgen/rootfs/.gitignore | 1 + .../kube-webhook-certgen/rootfs/cmd/create.go | 12 +- .../kube-webhook-certgen/rootfs/cmd/patch.go | 102 +++++-- .../rootfs/cmd/patch_test.go | 254 ++++++++++++++++++ .../kube-webhook-certgen/rootfs/cmd/root.go | 14 +- images/kube-webhook-certgen/rootfs/go.mod | 1 + images/kube-webhook-certgen/rootfs/go.sum | 179 ++++++++++++ .../rootfs/pkg/k8s/k8s.go | 168 ++++++++++-- .../rootfs/pkg/k8s/k8s_test.go | 52 +++- 9 files changed, 723 insertions(+), 60 deletions(-) create mode 100644 images/kube-webhook-certgen/rootfs/.gitignore create mode 100644 images/kube-webhook-certgen/rootfs/cmd/patch_test.go diff --git a/images/kube-webhook-certgen/rootfs/.gitignore b/images/kube-webhook-certgen/rootfs/.gitignore new file mode 100644 index 000000000..f82bfe10c --- /dev/null +++ b/images/kube-webhook-certgen/rootfs/.gitignore @@ -0,0 +1 @@ +/kube-webhook-certgen diff --git a/images/kube-webhook-certgen/rootfs/cmd/create.go b/images/kube-webhook-certgen/rootfs/cmd/create.go index 576a59bc0..e61d2c4a1 100644 --- a/images/kube-webhook-certgen/rootfs/cmd/create.go +++ b/images/kube-webhook-certgen/rootfs/cmd/create.go @@ -1,6 +1,8 @@ package cmd import ( + "context" + "github.com/jet/kube-webhook-certgen/pkg/certs" "github.com/jet/kube-webhook-certgen/pkg/k8s" log "github.com/sirupsen/logrus" @@ -16,13 +18,17 @@ var create = &cobra.Command{ } func createCommand(cmd *cobra.Command, args []string) { - k := k8s.New(newKubernetesClient(cfg.kubeconfig)) - ca := k.GetCaFromSecret(cfg.secretName, cfg.namespace) + clientset, aggregatorClientset := newKubernetesClients(cfg.kubeconfig) + k := k8s.New(clientset, aggregatorClientset) + + ctx := context.TODO() + + ca := k.GetCaFromSecret(ctx, cfg.secretName, cfg.namespace) if ca == nil { log.Info("creating new secret") newCa, newCert, newKey := certs.GenerateCerts(cfg.host) ca = newCa - k.SaveCertsToSecret(cfg.secretName, cfg.namespace, cfg.certName, cfg.keyName, ca, newCert, newKey) + k.SaveCertsToSecret(ctx, cfg.secretName, cfg.namespace, cfg.certName, cfg.keyName, ca, newCert, newKey) } else { log.Info("secret already exists") } diff --git a/images/kube-webhook-certgen/rootfs/cmd/patch.go b/images/kube-webhook-certgen/rootfs/cmd/patch.go index d139b37c0..dd41103ca 100644 --- a/images/kube-webhook-certgen/rootfs/cmd/patch.go +++ b/images/kube-webhook-certgen/rootfs/cmd/patch.go @@ -1,6 +1,10 @@ package cmd import ( + "context" + "errors" + "fmt" + "github.com/jet/kube-webhook-certgen/pkg/k8s" log "github.com/sirupsen/logrus" "github.com/spf13/cobra" @@ -9,49 +13,109 @@ import ( var patch = &cobra.Command{ Use: "patch", - Short: "Patch a validatingwebhookconfiguration and mutatingwebhookconfiguration 'webhook-name' by using the ca from 'secret-name' in 'namespace'", - Long: "Patch a validatingwebhookconfiguration and mutatingwebhookconfiguration 'webhook-name' by using the ca from 'secret-name' in 'namespace'", - PreRun: prePatchCommand, + Short: "Patch a ValidatingWebhookConfiguration, MutatingWebhookConfiguration or APIService 'object-name' by using the ca from 'secret-name' in 'namespace'", + Long: "Patch a ValidatingWebhookConfiguration, MutatingWebhookConfiguration or APIService 'object-name' by using the ca from 'secret-name' in 'namespace'", + PreRun: configureLogging, Run: patchCommand, } -func prePatchCommand(cmd *cobra.Command, args []string) { - configureLogging(cmd, args) - if !cfg.patchMutating && !cfg.patchValidating { - log.Fatal("patch-validating=false, patch-mutating=false. You must patch at least one kind of webhook, otherwise this command is a no-op") +type PatchConfig struct { + PatchMutating bool + PatchValidating bool + PatchFailurePolicy string + APIServiceName string + WebhookName string + + SecretName string + Namespace string + + Patcher Patcher +} + +type Patcher interface { + PatchObjects(ctx context.Context, options k8s.PatchOptions) error + GetCaFromSecret(ctx context.Context, secretName, namespace string) []byte +} + +func Patch(ctx context.Context, cfg *PatchConfig) error { + if cfg.Patcher == nil { + return fmt.Errorf("no patcher defined") } - switch cfg.patchFailurePolicy { + + if !cfg.PatchMutating && !cfg.PatchValidating && cfg.APIServiceName == "" { + return fmt.Errorf("patch-validating=false, patch-mutating=false. You must patch at least one kind of webhook, otherwise this command is a no-op") + } + + var failurePolicy admissionv1.FailurePolicyType + + switch cfg.PatchFailurePolicy { case "": break case "Ignore": case "Fail": - failurePolicy = admissionv1.FailurePolicyType(cfg.patchFailurePolicy) + failurePolicy = admissionv1.FailurePolicyType(cfg.PatchFailurePolicy) break default: - log.Fatalf("patch-failure-policy %s is not valid", cfg.patchFailurePolicy) + return fmt.Errorf("patch-failure-policy %s is not valid", cfg.PatchFailurePolicy) } + + ca := cfg.Patcher.GetCaFromSecret(ctx, cfg.SecretName, cfg.Namespace) + + if ca == nil { + return fmt.Errorf("no secret with '%s' in '%s'", cfg.SecretName, cfg.Namespace) + } + + options := k8s.PatchOptions{ + CABundle: ca, + FailurePolicyType: failurePolicy, + APIServiceName: cfg.APIServiceName, + } + + if cfg.PatchMutating { + options.MutatingWebhookConfigurationName = cfg.WebhookName + } + + if cfg.PatchValidating { + options.ValidatingWebhookConfigurationName = cfg.WebhookName + } + + return cfg.Patcher.PatchObjects(ctx, options) } func patchCommand(_ *cobra.Command, _ []string) { - k := k8s.New(newKubernetesClient(cfg.kubeconfig)) - ca := k.GetCaFromSecret(cfg.secretName, cfg.namespace) + client, aggregationClient := newKubernetesClients(cfg.kubeconfig) - if ca == nil { - log.Fatalf("no secret with '%s' in '%s'", cfg.secretName, cfg.namespace) + config := &PatchConfig{ + SecretName: cfg.secretName, + Namespace: cfg.namespace, + PatchMutating: cfg.patchMutating, + PatchValidating: cfg.patchValidating, + PatchFailurePolicy: cfg.patchFailurePolicy, + APIServiceName: cfg.apiServiceName, + WebhookName: cfg.webhookName, + Patcher: k8s.New(client, aggregationClient), } - k.PatchWebhookConfigurations(cfg.webhookName, ca, &failurePolicy, cfg.patchMutating, cfg.patchValidating) + ctx := context.TODO() + + if err := Patch(ctx, config); err != nil { + if wrappedErr := errors.Unwrap(err); wrappedErr != nil { + log.WithField("err", wrappedErr).Fatal(err.Error()) + } + + log.Fatal(err.Error()) + } } func init() { rootCmd.AddCommand(patch) patch.Flags().StringVar(&cfg.secretName, "secret-name", "", "Name of the secret where certificate information will be read from") patch.Flags().StringVar(&cfg.namespace, "namespace", "", "Namespace of the secret where certificate information will be read from") - patch.Flags().StringVar(&cfg.webhookName, "webhook-name", "", "Name of validatingwebhookconfiguration and mutatingwebhookconfiguration that will be updated") - patch.Flags().BoolVar(&cfg.patchValidating, "patch-validating", true, "If true, patch validatingwebhookconfiguration") - patch.Flags().BoolVar(&cfg.patchMutating, "patch-mutating", true, "If true, patch mutatingwebhookconfiguration") + patch.Flags().StringVar(&cfg.webhookName, "webhook-name", "", "Name of ValidatingWebhookConfiguration and MutatingWebhookConfiguration that will be updated") + patch.Flags().StringVar(&cfg.apiServiceName, "apiservice-name", "", "Name of APIService that will be patched") + patch.Flags().BoolVar(&cfg.patchValidating, "patch-validating", true, "If true, patch ValidatingWebhookConfiguration") + patch.Flags().BoolVar(&cfg.patchMutating, "patch-mutating", true, "If true, patch MutatingWebhookConfiguration") patch.Flags().StringVar(&cfg.patchFailurePolicy, "patch-failure-policy", "", "If set, patch the webhooks with this failure policy. Valid options are Ignore or Fail") patch.MarkFlagRequired("secret-name") patch.MarkFlagRequired("namespace") - patch.MarkFlagRequired("webhook-name") } diff --git a/images/kube-webhook-certgen/rootfs/cmd/patch_test.go b/images/kube-webhook-certgen/rootfs/cmd/patch_test.go new file mode 100644 index 000000000..2bec3b871 --- /dev/null +++ b/images/kube-webhook-certgen/rootfs/cmd/patch_test.go @@ -0,0 +1,254 @@ +package cmd_test + +import ( + "context" + "fmt" + "reflect" + "testing" + + "github.com/jet/kube-webhook-certgen/cmd" + "github.com/jet/kube-webhook-certgen/pkg/k8s" +) + +func Test_Patch(t *testing.T) { + t.Parallel() + + ctx := context.TODO() + + t.Run("patches_APIService_object_when_requested", func(t *testing.T) { + t.Parallel() + + config := testPatchConfig() + config.APIServiceName = "bar" + + patcher := testPatcher() + patcher.patchObjects = func(_ context.Context, options k8s.PatchOptions) error { + if options.APIServiceName != config.APIServiceName { + return fmt.Errorf("unexpected APIService name %q, expected %q", options.APIServiceName, config.APIServiceName) + } + + return nil + } + config.Patcher = patcher + + if err := cmd.Patch(ctx, config); err != nil { + t.Fatalf("Unexpected patching error: %v", err) + } + }) + + t.Run("use_configured_webhook_name_for_patching", func(t *testing.T) { + t.Parallel() + + config := testPatchConfig() + config.WebhookName = "foo" + + patcher := testPatcher() + patcher.patchObjects = func(_ context.Context, options k8s.PatchOptions) error { + if options.ValidatingWebhookConfigurationName != config.WebhookName { + return fmt.Errorf("unexpected object name %q, expected %q", options.ValidatingWebhookConfigurationName, config.WebhookName) + } + + return nil + } + config.Patcher = patcher + + if err := cmd.Patch(ctx, config); err != nil { + t.Fatalf("Unexpected patching error: %v", err) + } + }) + + t.Run("patches_only_validating_webhook_when_requested", func(t *testing.T) { + t.Parallel() + + config := testPatchConfig() + config.PatchValidating = true + config.PatchMutating = false + + patcher := testPatcher() + patcher.patchObjects = func(_ context.Context, options k8s.PatchOptions) error { + if options.ValidatingWebhookConfigurationName == "" { + t.Error("expected validating webhook to be patched") + } + + if options.MutatingWebhookConfigurationName != "" { + t.Error("expected mutating webhook to not be patched") + } + + if options.APIServiceName != "" { + t.Error("expected APIService to not be patched") + } + + return nil + } + config.Patcher = patcher + + if err := cmd.Patch(ctx, config); err != nil { + t.Fatalf("Unexpected patching error: %v", err) + } + }) + + t.Run("patches_both_webhooks_when_requested", func(t *testing.T) { + t.Parallel() + + config := testPatchConfig() + config.PatchValidating = true + config.PatchMutating = true + + patcher := testPatcher() + patcher.patchObjects = func(_ context.Context, options k8s.PatchOptions) error { + if options.ValidatingWebhookConfigurationName == "" { + t.Error("expected validating webhook to be patched") + } + + if options.MutatingWebhookConfigurationName == "" { + t.Error("expected mutating webhook to be patched") + } + + if options.APIServiceName != "" { + t.Error("expected APIService to not be patched") + } + + return nil + } + config.Patcher = patcher + + if err := cmd.Patch(ctx, config); err != nil { + t.Fatalf("Unexpected patching error: %v", err) + } + }) + + t.Run("use_empty_policy_when_ignore_is_requested", func(t *testing.T) { + t.Parallel() + + config := testPatchConfig() + config.PatchFailurePolicy = "Ignore" + + patcher := testPatcher() + patcher.patchObjects = func(_ context.Context, options k8s.PatchOptions) error { + if options.FailurePolicyType != "" { + return fmt.Errorf("expected policy to be nil. got: %q", options.FailurePolicyType) + } + + return nil + } + config.Patcher = patcher + + if err := cmd.Patch(ctx, config); err != nil { + t.Fatalf("Unexpected patching error: %v", err) + } + }) + + t.Run("use_fail_policy_when_fail_is_requested", func(t *testing.T) { + t.Parallel() + + config := testPatchConfig() + config.PatchFailurePolicy = "Fail" + + patcher := testPatcher() + patcher.patchObjects = func(_ context.Context, options k8s.PatchOptions) error { + if options.FailurePolicyType == "" || options.FailurePolicyType != "Fail" { + return fmt.Errorf("unexpected policy: %q", options.FailurePolicyType) + } + + return nil + } + config.Patcher = patcher + + if err := cmd.Patch(ctx, config); err != nil { + t.Fatalf("Unexpected patching error: %v", err) + } + }) + + t.Run("use_obtained_ca_certificate_for_patching", func(t *testing.T) { + t.Parallel() + + expectedCA := []byte("foo") + + config := testPatchConfig() + + patcher := testPatcher() + patcher.patchObjects = func(_ context.Context, options k8s.PatchOptions) error { + if !reflect.DeepEqual(options.CABundle, expectedCA) { + return fmt.Errorf("unexpected CA, expected %q, got %q", string(expectedCA), string(options.CABundle)) + } + + return nil + } + patcher.getCaFromSecret = func(context.Context, string, string) []byte { + return expectedCA + } + config.Patcher = patcher + + if err := cmd.Patch(ctx, config); err != nil { + t.Fatalf("Unexpected patching error: %v", err) + } + }) + + t.Run("returns_error_when", func(t *testing.T) { + t.Parallel() + + for name, mutateF := range map[string]func(*cmd.PatchConfig){ + "no_patcher_is_defined": func(c *cmd.PatchConfig) { + c.Patcher = nil + }, + "no_webhooks_are_requested_for_patching": func(c *cmd.PatchConfig) { + c.PatchValidating = false + c.PatchMutating = false + c.APIServiceName = "" + }, + "unsupported_patch_failure_policy_is_defined": func(c *cmd.PatchConfig) { + c.PatchFailurePolicy = "foo" + }, + "ca_certificate_from_secret_is_empty": func(c *cmd.PatchConfig) { + patcher := testPatcher() + patcher.getCaFromSecret = func(_ context.Context, _, _ string) []byte { + return nil + } + c.Patcher = patcher + }, + } { + mutateF := mutateF + + t.Run(name, func(t *testing.T) { + t.Parallel() + + config := testPatchConfig() + mutateF(config) + + if err := cmd.Patch(ctx, config); err == nil { + t.Fatalf("Expected error while patching") + } + }) + } + }) +} + +type patcher struct { + patchObjects func(context.Context, k8s.PatchOptions) error + getCaFromSecret func(context.Context, string, string) []byte +} + +func (p *patcher) PatchObjects(ctx context.Context, options k8s.PatchOptions) error { + return p.patchObjects(ctx, options) +} + +func (p *patcher) GetCaFromSecret(ctx context.Context, secretName, namespace string) []byte { + return p.getCaFromSecret(ctx, secretName, namespace) +} + +func testPatcher() *patcher { + return &patcher{ + patchObjects: func(context.Context, k8s.PatchOptions) error { + return nil + }, + getCaFromSecret: func(context.Context, string, string) []byte { return []byte{} }, + } +} + +func testPatchConfig() *cmd.PatchConfig { + return &cmd.PatchConfig{ + PatchValidating: true, + WebhookName: "foo", + Patcher: testPatcher(), + } +} diff --git a/images/kube-webhook-certgen/rootfs/cmd/root.go b/images/kube-webhook-certgen/rootfs/cmd/root.go index 03f87ac06..7db870d15 100644 --- a/images/kube-webhook-certgen/rootfs/cmd/root.go +++ b/images/kube-webhook-certgen/rootfs/cmd/root.go @@ -6,9 +6,9 @@ import ( "github.com/onrik/logrus/filename" log "github.com/sirupsen/logrus" "github.com/spf13/cobra" - admissionv1 "k8s.io/api/admissionregistration/v1" "k8s.io/client-go/kubernetes" "k8s.io/client-go/tools/clientcmd" + "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset" ) var ( @@ -29,14 +29,13 @@ var ( certName string keyName string host string + apiServiceName string webhookName string patchValidating bool patchMutating bool patchFailurePolicy string kubeconfig string }{} - - failurePolicy admissionv1.FailurePolicyType ) // Execute is the main entry point for the program @@ -84,7 +83,7 @@ func getFormatter(logfmt string) log.Formatter { return nil } -func newKubernetesClient(kubeconfig string) kubernetes.Interface { +func newKubernetesClients(kubeconfig string) (kubernetes.Interface, clientset.Interface) { config, err := clientcmd.BuildConfigFromFlags("", kubeconfig) if err != nil { log.WithError(err).Fatal("error building kubernetes config") @@ -95,5 +94,10 @@ func newKubernetesClient(kubeconfig string) kubernetes.Interface { log.WithError(err).Fatal("error creating kubernetes client") } - return c + aggregatorClientset, err := clientset.NewForConfig(config) + if err != nil { + log.WithError(err).Fatal("error creating kubernetes aggregator client") + } + + return c, aggregatorClientset } diff --git a/images/kube-webhook-certgen/rootfs/go.mod b/images/kube-webhook-certgen/rootfs/go.mod index 092a1aa82..edd26c0df 100644 --- a/images/kube-webhook-certgen/rootfs/go.mod +++ b/images/kube-webhook-certgen/rootfs/go.mod @@ -10,4 +10,5 @@ require ( k8s.io/api v0.22.0 k8s.io/apimachinery v0.22.0 k8s.io/client-go v0.22.0 + k8s.io/kube-aggregator v0.22.0 ) diff --git a/images/kube-webhook-certgen/rootfs/go.sum b/images/kube-webhook-certgen/rootfs/go.sum index c7667b99a..c1592f68d 100644 --- a/images/kube-webhook-certgen/rootfs/go.sum +++ b/images/kube-webhook-certgen/rootfs/go.sum @@ -37,6 +37,8 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs= cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0= dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= +github.com/Azure/go-ansiterm v0.0.0-20210608223527-2377c96fe795/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8= +github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E= github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24= 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v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= @@ -370,7 +509,9 @@ golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73r golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= @@ -378,6 +519,7 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= +golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= @@ -400,6 +542,7 @@ golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81R golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= +golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= @@ -433,11 +576,15 @@ golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -450,6 +597,7 @@ golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -463,13 +611,18 @@ golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200923182605-d9f96fdee20d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -478,6 +631,7 @@ golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20210616094352-59db8d763f22 h1:RqytpXGR1iVNX7psjB3ff8y7sNFinVFvkx1c8SjBkio= golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= @@ -496,9 +650,12 @@ golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= +golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac h1:7zkz7BUtwNFFqcowJ+RIgu2MaV/MapERkDIy+mwPyjs= golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= +golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY= golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= @@ -510,10 +667,12 @@ golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBn golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= +golang.org/x/tools v0.0.0-20190624222133-a101b041ded4/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= @@ -534,6 +693,7 @@ golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb/go.mod h1:o4KQGtdN14AW+yjs golang.org/x/tools v0.0.0-20200312045724-11d5b4c81c7d/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw= golang.org/x/tools v0.0.0-20200331025713-a30bf2db82d4/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= golang.org/x/tools v0.0.0-20200501065659-ab2804fb9c9d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= +golang.org/x/tools v0.0.0-20200505023115-26f46d2f7ef8/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200512131952-2bc93b1c0c88/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200515010526-7d3b6ebf133d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= @@ -605,6 +765,7 @@ google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfG google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= +google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= @@ -645,6 +806,7 @@ google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA5 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU= google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU= google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU= +google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM= google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= @@ -659,6 +821,7 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk= google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= +gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= @@ -668,13 +831,19 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc= gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw= +gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= +gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= +gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= +gopkg.in/square/go-jose.v2 v2.2.2/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY= @@ -683,6 +852,8 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo= gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk= +gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= @@ -694,12 +865,19 @@ k8s.io/api v0.22.0 h1:elCpMZ9UE8dLdYxr55E06TmSeji9I3KH494qH70/y+c= k8s.io/api v0.22.0/go.mod h1:0AoXXqst47OI/L0oGKq9DG61dvGRPXs7X4/B7KyjBCU= k8s.io/apimachinery v0.22.0 h1:CqH/BdNAzZl+sr3tc0D3VsK3u6ARVSo3GWyLmfIjbP0= k8s.io/apimachinery v0.22.0/go.mod h1:O3oNtNadZdeOMxHFVxOreoznohCpy0z6mocxbZr7oJ0= +k8s.io/apiserver v0.22.0/go.mod h1:04kaIEzIQrTGJ5syLppQWvpkLJXQtJECHmae+ZGc/nc= k8s.io/client-go v0.22.0 h1:sD6o9O6tCwUKCENw8v+HFsuAbq2jCu8cWC61/ydwA50= k8s.io/client-go v0.22.0/go.mod h1:GUjIuXR5PiEv/RVK5OODUsm6eZk7wtSWZSaSJbpFdGg= +k8s.io/code-generator v0.22.0/go.mod h1:eV77Y09IopzeXOJzndrDyCI88UBok2h6WxAlBwpxa+o= +k8s.io/component-base v0.22.0/go.mod h1:SXj6Z+V6P6GsBhHZVbWCw9hFjUdUYnJerlhhPnYCBCg= k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= +k8s.io/gengo v0.0.0-20201214224949-b6c5ce23f027/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E= k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE= +k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y= k8s.io/klog/v2 v2.9.0 h1:D7HV+n1V57XeZ0m6tdRkfknthUaM06VFbWldOFh8kzM= k8s.io/klog/v2 v2.9.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec= +k8s.io/kube-aggregator v0.22.0 h1:he3plI8vlaPJxR9vsy/lL5ga1V8CoA8M8x1Bn8eTCeM= +k8s.io/kube-aggregator v0.22.0/go.mod h1:zHTepg0Q4tKzru7Pwg1QYHWrU/wrvIXM8hUdDAH66qg= k8s.io/kube-openapi v0.0.0-20210421082810-95288971da7e h1:KLHHjkdQFomZy8+06csTWZ0m1343QqxZhR2LJ1OxCYM= k8s.io/kube-openapi v0.0.0-20210421082810-95288971da7e/go.mod h1:vHXdDvt9+2spS2Rx9ql3I8tycm3H9FDfdUoIuKCefvw= k8s.io/utils v0.0.0-20210707171843-4b05e18ac7d9 h1:imL9YgXQ9p7xmPzHFm/vVd/cF78jad+n4wK1ABwYtMM= @@ -707,6 +885,7 @@ k8s.io/utils v0.0.0-20210707171843-4b05e18ac7d9/go.mod h1:jPW/WVKK9YHAvNhRxK0md/ rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= +sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.22/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg= sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw= sigs.k8s.io/structured-merge-diff/v4 v4.1.2 h1:Hr/htKFmJEbtMgS/UD0N+gtgctAqz81t3nu+sPzynno= sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4= diff --git a/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s.go b/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s.go index 2d2000a8a..ccd8970c5 100644 --- a/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s.go +++ b/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s.go @@ -2,6 +2,7 @@ package k8s import ( "context" + "fmt" log "github.com/sirupsen/logrus" admissionv1 "k8s.io/api/admissionregistration/v1" @@ -9,103 +10,214 @@ import ( k8serrors "k8s.io/apimachinery/pkg/api/errors" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/client-go/kubernetes" + "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset" ) type k8s struct { - clientset kubernetes.Interface + clientset kubernetes.Interface + aggregatorClientset clientset.Interface } -func New(clientset kubernetes.Interface) *k8s { +func New(clientset kubernetes.Interface, aggregatorClientset clientset.Interface) *k8s { if clientset == nil { log.Fatal("no kubernetes client given") } - return &k8s{ - clientset: clientset, + if aggregatorClientset == nil { + log.Fatal("no kubernetes aggregator client given") } + + return &k8s{ + clientset: clientset, + aggregatorClientset: aggregatorClientset, + } +} + +type PatchOptions struct { + ValidatingWebhookConfigurationName string + MutatingWebhookConfigurationName string + APIServiceName string + CABundle []byte + FailurePolicyType admissionv1.FailurePolicyType +} + +func (k8s *k8s) PatchObjects(ctx context.Context, options PatchOptions) error { + patchMutating := options.MutatingWebhookConfigurationName != "" + patchValidating := options.ValidatingWebhookConfigurationName != "" + patchAPIService := options.APIServiceName != "" + + if !patchMutating && !patchValidating && options.FailurePolicyType != "" { + return fmt.Errorf("failurePolicy specified, but no webhook will be patched") + } + + if options.MutatingWebhookConfigurationName != options.ValidatingWebhookConfigurationName { + return fmt.Errorf("webhook names must be the same") + } + + if patchAPIService { + log.Infof("patching APIService %q", options.APIServiceName) + + if err := k8s.patchAPIService(ctx, options.APIServiceName, options.CABundle); err != nil { + // Intentionally don't wrap error here to preserve old behavior and be able to log both + // original error and a message. + return err + } + } + + if patchMutating || patchValidating { + return k8s.patchWebhookConfigurations(ctx, options.ValidatingWebhookConfigurationName, options.CABundle, options.FailurePolicyType, patchMutating, patchValidating) + } + + return nil +} + +func (k8s *k8s) patchAPIService(ctx context.Context, objectName string, ca []byte) error { + log.Infof("patching APIService %q", objectName) + + c := k8s.aggregatorClientset.ApiregistrationV1().APIServices() + + apiService, err := c.Get(ctx, objectName, metav1.GetOptions{}) + if err != nil { + return &wrappedError{ + err: err, + message: fmt.Sprintf("failed getting APIService %q", objectName), + } + } + + apiService.Spec.CABundle = ca + apiService.Spec.InsecureSkipTLSVerify = false + + if _, err := c.Update(ctx, apiService, metav1.UpdateOptions{}); err != nil { + return &wrappedError{ + err: err, + message: fmt.Sprintf("failed patching APIService %q", objectName), + } + } + + log.Debug("patched APIService") + + return nil } // PatchWebhookConfigurations will patch validatingWebhook and mutatingWebhook clientConfig configurations with // the provided ca data. If failurePolicy is provided, patch all webhooks with this value -func (k8s *k8s) PatchWebhookConfigurations( +func (k8s *k8s) patchWebhookConfigurations( + ctx context.Context, configurationName string, ca []byte, - failurePolicy *admissionv1.FailurePolicyType, + failurePolicy admissionv1.FailurePolicyType, patchMutating bool, patchValidating bool, -) { - log.Infof("patching webhook configurations '%s' mutating=%t, validating=%t, failurePolicy=%s", configurationName, patchMutating, patchValidating, *failurePolicy) +) error { + log.Infof("patching webhook configurations '%s' mutating=%t, validating=%t, failurePolicy=%s", configurationName, patchMutating, patchValidating, failurePolicy) if patchValidating { - k8s.patchValidating(configurationName, ca, failurePolicy) + if err := k8s.patchValidating(ctx, configurationName, ca, failurePolicy); err != nil { + // Intentionally don't wrap error here to preserve old behavior and be able to log both original error and a message. + return err + } } else { log.Debug("validating hook patching not required") } if patchMutating { - k8s.patchMutating(configurationName, ca, failurePolicy) + if err := k8s.patchMutating(ctx, configurationName, ca, failurePolicy); err != nil { + // Intentionally don't wrap error here to preserve old behavior and be able to log both original error and a message. + return err + } } else { log.Debug("mutating hook patching not required") } log.Info("Patched hook(s)") + + return nil } -func (k8s *k8s) patchValidating(configurationName string, ca []byte, failurePolicy *admissionv1.FailurePolicyType) { +type wrappedError struct { + err error + message string +} + +func (err wrappedError) Error() string { + return err.message +} + +func (err wrappedError) Unwrap() error { + return err.err +} + +func (k8s *k8s) patchValidating(ctx context.Context, configurationName string, ca []byte, failurePolicy admissionv1.FailurePolicyType) error { valHook, err := k8s.clientset. AdmissionregistrationV1(). ValidatingWebhookConfigurations(). - Get(context.TODO(), configurationName, metav1.GetOptions{}) + Get(ctx, configurationName, metav1.GetOptions{}) if err != nil { - log.WithField("err", err).Fatal("failed getting validating webhook") + return &wrappedError{ + err: err, + message: "failed getting validating webhook", + } } for i := range valHook.Webhooks { h := &valHook.Webhooks[i] h.ClientConfig.CABundle = ca - if *failurePolicy != "" { - h.FailurePolicy = failurePolicy + if failurePolicy != "" { + h.FailurePolicy = &failurePolicy } } if _, err = k8s.clientset.AdmissionregistrationV1(). ValidatingWebhookConfigurations(). - Update(context.TODO(), valHook, metav1.UpdateOptions{}); err != nil { - log.WithField("err", err).Fatal("failed patching validating webhook") + Update(ctx, valHook, metav1.UpdateOptions{}); err != nil { + return &wrappedError{ + err: err, + message: "failed patching validating webhook", + } } log.Debug("patched validating hook") + + return nil } -func (k8s *k8s) patchMutating(configurationName string, ca []byte, failurePolicy *admissionv1.FailurePolicyType) { +func (k8s *k8s) patchMutating(ctx context.Context, configurationName string, ca []byte, failurePolicy admissionv1.FailurePolicyType) error { mutHook, err := k8s.clientset. AdmissionregistrationV1(). MutatingWebhookConfigurations(). - Get(context.TODO(), configurationName, metav1.GetOptions{}) + Get(ctx, configurationName, metav1.GetOptions{}) if err != nil { - log.WithField("err", err).Fatal("failed getting mutating webhook") + return &wrappedError{ + err: err, + message: "failed getting mutating webhook", + } } for i := range mutHook.Webhooks { h := &mutHook.Webhooks[i] h.ClientConfig.CABundle = ca - if *failurePolicy != "" { - h.FailurePolicy = failurePolicy + if failurePolicy != "" { + h.FailurePolicy = &failurePolicy } } if _, err = k8s.clientset.AdmissionregistrationV1(). MutatingWebhookConfigurations(). - Update(context.TODO(), mutHook, metav1.UpdateOptions{}); err != nil { - log.WithField("err", err).Fatal("failed patching mutating webhook") + Update(ctx, mutHook, metav1.UpdateOptions{}); err != nil { + return &wrappedError{ + err: err, + message: "failed patching mutating webhook", + } } log.Debug("patched mutating hook") + + return nil } // GetCaFromSecret will check for the presence of a secret. If it exists, will return the content of the // "ca" from the secret, otherwise will return nil -func (k8s *k8s) GetCaFromSecret(secretName string, namespace string) []byte { +func (k8s *k8s) GetCaFromSecret(ctx context.Context, secretName string, namespace string) []byte { log.Debugf("getting secret '%s' in namespace '%s'", secretName, namespace) - secret, err := k8s.clientset.CoreV1().Secrets(namespace).Get(context.TODO(), secretName, metav1.GetOptions{}) + secret, err := k8s.clientset.CoreV1().Secrets(namespace).Get(ctx, secretName, metav1.GetOptions{}) if err != nil { if k8serrors.IsNotFound(err) { log.WithField("err", err).Info("no secret found") @@ -123,7 +235,7 @@ func (k8s *k8s) GetCaFromSecret(secretName string, namespace string) []byte { } // SaveCertsToSecret saves the provided ca, cert and key into a secret in the specified namespace. -func (k8s *k8s) SaveCertsToSecret(secretName, namespace, certName, keyName string, ca, cert, key []byte) { +func (k8s *k8s) SaveCertsToSecret(ctx context.Context, secretName, namespace, certName, keyName string, ca, cert, key []byte) { log.Debugf("saving to secret '%s' in namespace '%s'", secretName, namespace) secret := &v1.Secret{ ObjectMeta: metav1.ObjectMeta{ @@ -133,7 +245,7 @@ func (k8s *k8s) SaveCertsToSecret(secretName, namespace, certName, keyName strin } log.Debug("saving secret") - _, err := k8s.clientset.CoreV1().Secrets(namespace).Create(context.TODO(), secret, metav1.CreateOptions{}) + _, err := k8s.clientset.CoreV1().Secrets(namespace).Create(ctx, secret, metav1.CreateOptions{}) if err != nil { log.WithField("err", err).Fatal("failed creating secret") } diff --git a/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s_test.go b/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s_test.go index 1a7444613..0cddcb99e 100644 --- a/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s_test.go +++ b/images/kube-webhook-certgen/rootfs/pkg/k8s/k8s_test.go @@ -3,6 +3,7 @@ package k8s import ( "bytes" "context" + "errors" "math/rand" "testing" @@ -52,7 +53,7 @@ func TestGetCaFromCertificate(t *testing.T) { k.clientset.CoreV1().Secrets(testNamespace).Create(context.Background(), secret, metav1.CreateOptions{}) - retrievedCa := k.GetCaFromSecret(testSecretName, testNamespace) + retrievedCa := k.GetCaFromSecret(context.TODO(), testSecretName, testNamespace) if !bytes.Equal(retrievedCa, ca) { t.Error("Was not able to retrieve CA information that was saved") } @@ -63,7 +64,7 @@ func TestSaveCertsToSecret(t *testing.T) { ca, cert, key := genSecretData() - k.SaveCertsToSecret(testSecretName, testNamespace, "cert", "key", ca, cert, key) + k.SaveCertsToSecret(context.TODO(), testSecretName, testNamespace, "cert", "key", ca, cert, key) secret, _ := k.clientset.CoreV1().Secrets(testNamespace).Get(context.Background(), testSecretName, metav1.GetOptions{}) @@ -79,8 +80,9 @@ func TestSaveCertsToSecret(t *testing.T) { func TestSaveThenLoadSecret(t *testing.T) { k := newTestSimpleK8s() ca, cert, key := genSecretData() - k.SaveCertsToSecret(testSecretName, testNamespace, "cert", "key", ca, cert, key) - retrievedCert := k.GetCaFromSecret(testSecretName, testNamespace) + ctx := context.TODO() + k.SaveCertsToSecret(ctx, testSecretName, testNamespace, "cert", "key", ca, cert, key) + retrievedCert := k.GetCaFromSecret(ctx, testSecretName, testNamespace) if !bytes.Equal(retrievedCert, ca) { t.Error("Was not able to retrieve CA information that was saved") } @@ -113,7 +115,9 @@ func TestPatchWebhookConfigurations(t *testing.T) { Webhooks: []admissionv1.ValidatingWebhook{{Name: "v1"}, {Name: "v2"}}, }, metav1.CreateOptions{}) - k.PatchWebhookConfigurations(testWebhookName, ca, &fail, true, true) + if err := k.patchWebhookConfigurations(context.TODO(), testWebhookName, ca, fail, true, true); err != nil { + t.Fatalf("Unexpected error patching webhooks: %s: %v", err.Error(), errors.Unwrap(err)) + } whmut, err := k.clientset. AdmissionregistrationV1(). @@ -156,3 +160,41 @@ func TestPatchWebhookConfigurations(t *testing.T) { t.Errorf("Expected second validating webhook failure policy to be set to %s", fail) } } + +func Test_Patching_objects(t *testing.T) { + t.Parallel() + + t.Run("returns_error_when", func(t *testing.T) { + t.Parallel() + + t.Run("failure_policy_is_defined_but_no_webhooks_will_be_patched", func(t *testing.T) { + t.Parallel() + }) + + // This is to preserve old behavior and log format, it could be improved. + t.Run("diffent_names_are_specified_for_validating_and_mutating_webhook", func(t *testing.T) { + t.Parallel() + }) + + t.Run("patching_APIService_is_requested_and_it_does_not_exist", func(t *testing.T) { + t.Parallel() + }) + + t.Run("patching_webhook_is_requested_and_it_does_not_exist", func(t *testing.T) { + t.Parallel() + }) + }) + + t.Run("when_patching_APIService_object", func(t *testing.T) { + t.Parallel() + + // This is required when CABundle field is populated. + t.Run("sets_insecure_skip_tls_verity_to_false", func(t *testing.T) { + t.Parallel() + }) + + t.Run("sets_ca_bundle_with_ca_certificate_from_created_secret", func(t *testing.T) { + t.Parallel() + }) + }) +}