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Remove default token from all service accounts
Instead of only removing the default token from a service account when it already exists in the cluster, always remove it. If the service account already exists, continue to do the merging logic. Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| Copyright 2018 the Heptio Ark contributors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package restore | ||
|
|
||
| import ( | ||
| "strings" | ||
|
|
||
| "github.com/pkg/errors" | ||
| "github.com/sirupsen/logrus" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
|
|
||
| api "github.com/heptio/ark/pkg/apis/ark/v1" | ||
| "github.com/heptio/ark/pkg/util/kube" | ||
| ) | ||
|
|
||
| type serviceAccountAction struct { | ||
| logger logrus.FieldLogger | ||
| } | ||
|
|
||
| func NewServiceAccountAction(logger logrus.FieldLogger) ItemAction { | ||
| return &serviceAccountAction{logger: logger} | ||
| } | ||
|
|
||
| func (a *serviceAccountAction) AppliesTo() (ResourceSelector, error) { | ||
| return ResourceSelector{ | ||
| IncludedResources: []string{"serviceaccounts"}, | ||
| }, nil | ||
| } | ||
|
|
||
| func (a *serviceAccountAction) Execute(obj runtime.Unstructured, restore *api.Restore) (runtime.Unstructured, error, error) { | ||
| a.logger.Info("Executing serviceAccountAction") | ||
| defer a.logger.Info("Done executing serviceAccountAction") | ||
|
|
||
| var serviceAccount corev1.ServiceAccount | ||
| if err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.UnstructuredContent(), &serviceAccount); err != nil { | ||
| return nil, nil, errors.Wrap(err, "unable to convert serviceaccount from runtime.Unstructured") | ||
| } | ||
|
|
||
| log := a.logger.WithField("serviceaccount", kube.NamespaceAndName(&serviceAccount)) | ||
|
|
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| log.Debug("Checking secrets") | ||
| check := serviceAccount.Name + "-token-" | ||
| for i := len(serviceAccount.Secrets) - 1; i >= 0; i-- { | ||
| secret := &serviceAccount.Secrets[i] | ||
| log.Debugf("Checking if secret %s matches %s", secret.Name, check) | ||
|
|
||
| if strings.HasPrefix(secret.Name, check) { | ||
| // Copy all secrets *except* -token- | ||
| log.Debug("Match found - excluding this secret") | ||
| serviceAccount.Secrets = append(serviceAccount.Secrets[:i], serviceAccount.Secrets[i+1:]...) | ||
| break | ||
| } else { | ||
| log.Debug("No match found - including this secret") | ||
| } | ||
| } | ||
|
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| res, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&serviceAccount) | ||
| if err != nil { | ||
| return nil, nil, errors.Wrap(err, "unable to convert serviceaccount to runtime.Unstructured") | ||
| } | ||
|
|
||
| return &unstructured.Unstructured{Object: res}, nil, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /* | ||
| Copyright 2018 the Heptio Ark contributors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package restore | ||
|
|
||
| import ( | ||
| "sort" | ||
| "testing" | ||
|
|
||
| "github.com/heptio/ark/pkg/util/test" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| ) | ||
|
|
||
| func TestServiceAccountActionAppliesTo(t *testing.T) { | ||
| action := NewServiceAccountAction(test.NewLogger()) | ||
| actual, err := action.AppliesTo() | ||
| require.NoError(t, err) | ||
| assert.Equal(t, ResourceSelector{IncludedResources: []string{"serviceaccounts"}}, actual) | ||
| } | ||
|
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| func TestServiceAccountActionExecute(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| secrets []string | ||
| expected []string | ||
| }{ | ||
| { | ||
| name: "no secrets", | ||
| secrets: []string{}, | ||
| expected: []string{}, | ||
| }, | ||
| { | ||
| name: "no match", | ||
| secrets: []string{"a", "bar-TOKN-nomatch", "baz"}, | ||
| expected: []string{"a", "bar-TOKN-nomatch", "baz"}, | ||
| }, | ||
| { | ||
| name: "match - first", | ||
| secrets: []string{"bar-token-a1b2c", "a", "baz"}, | ||
| expected: []string{"a", "baz"}, | ||
| }, | ||
| { | ||
| name: "match - middle", | ||
| secrets: []string{"a", "bar-token-a1b2c", "baz"}, | ||
| expected: []string{"a", "baz"}, | ||
| }, | ||
| { | ||
| name: "match - end", | ||
| secrets: []string{"a", "baz", "bar-token-a1b2c"}, | ||
| expected: []string{"a", "baz"}, | ||
| }, | ||
| } | ||
|
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| for _, tc := range tests { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| sa := corev1.ServiceAccount{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Namespace: "foo", | ||
| Name: "bar", | ||
| }, | ||
| } | ||
|
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| for _, secret := range tc.secrets { | ||
| sa.Secrets = append(sa.Secrets, corev1.ObjectReference{ | ||
| Name: secret, | ||
| }) | ||
| } | ||
|
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| saUnstructured, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&sa) | ||
| require.NoError(t, err) | ||
|
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| action := NewServiceAccountAction(test.NewLogger()) | ||
| res, warning, err := action.Execute(&unstructured.Unstructured{Object: saUnstructured}, nil) | ||
| require.NoError(t, warning) | ||
| require.NoError(t, err) | ||
|
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| var resSA *corev1.ServiceAccount | ||
| err = runtime.DefaultUnstructuredConverter.FromUnstructured(res.UnstructuredContent(), &resSA) | ||
| require.NoError(t, err) | ||
|
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| actual := []string{} | ||
| for _, secret := range resSA.Secrets { | ||
| actual = append(actual, secret.Name) | ||
| } | ||
|
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| sort.Strings(tc.expected) | ||
| sort.Strings(actual) | ||
|
|
||
| assert.Equal(t, tc.expected, actual) | ||
| }) | ||
| } | ||
| } |