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Signed-off-by: Bence Csati <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| // Copyright © 2024 Bank-Vaults Maintainers | ||
| // | ||
| // 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 aws | ||
|
|
||
| import ( | ||
| "strconv" | ||
|
|
||
| "github.com/spf13/viper" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
|
|
||
| "github.com/bank-vaults/secrets-webhook/pkg/common" | ||
| ) | ||
|
|
||
| type Config struct { | ||
| ObjectNamespace string | ||
| Region string | ||
| LoadFromSharedConfig bool | ||
| } | ||
|
|
||
| func loadConfig(obj metav1.Object) (Config, error) { | ||
| config := Config{ | ||
| ObjectNamespace: obj.GetNamespace(), | ||
| } | ||
|
|
||
| annotations := obj.GetAnnotations() | ||
|
|
||
| if val, ok := annotations[common.AWSRegionAnnotation]; ok { | ||
| config.Region = val | ||
| } else { | ||
| config.Region = viper.GetString(common.AWSRegionEnvVar) | ||
| } | ||
|
|
||
| if val, ok := annotations[common.AWSLoadFromSharedConfigAnnotation]; ok { | ||
| config.LoadFromSharedConfig, _ = strconv.ParseBool(val) | ||
| } else { | ||
| config.LoadFromSharedConfig = viper.GetBool(common.AWSLoadFromSharedConfigEnvVar) | ||
| } | ||
|
|
||
| return config, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // Copyright © 2024 Bank-Vaults Maintainers | ||
| // | ||
| // 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 aws | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/bank-vaults/secrets-webhook/pkg/provider" | ||
| ) | ||
|
|
||
| func (m *mutator) MutateConfigMap(_ context.Context, _ provider.ConfigMapMutateRequest) error { | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| // Copyright © 2024 Bank-Vaults Maintainers | ||
| // | ||
| // 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 aws | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "log/slog" | ||
|
|
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| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/secretsmanager" | ||
| "github.com/aws/aws-sdk-go/service/ssm" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
||
| type mutator struct { | ||
| client *client | ||
| config *Config | ||
| logger *slog.Logger | ||
| } | ||
|
|
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| type client struct { | ||
| smClient *secretsmanager.SecretsManager | ||
| ssmClient *ssm.SSM | ||
| } | ||
|
|
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| func (m *mutator) newClient(ctx context.Context, k8sClient kubernetes.Interface) error { | ||
| sess, err := m.createAWSSession(ctx, k8sClient) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create AWS session: %w", err) | ||
| } | ||
|
|
||
| m.client = &client{ | ||
| smClient: secretsmanager.New(sess), | ||
| ssmClient: ssm.New(sess), | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
|
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| func (m *mutator) createAWSSession(ctx context.Context, k8sClient kubernetes.Interface) (*session.Session, error) { | ||
| // Loading session data from shared config is disabled by default and needs to be | ||
| // explicitly enabled via AWS_LOAD_FROM_SHARED_CONFIG | ||
| options := session.Options{ | ||
| SharedConfigState: session.SharedConfigDisable, | ||
| Config: aws.Config{ | ||
| Region: aws.String(m.config.Region), | ||
| }, | ||
| } | ||
|
|
||
| // Enable loading session data from mounted .aws directory | ||
| if m.config.LoadFromSharedConfig { | ||
| options.SharedConfigState = session.SharedConfigEnable | ||
| } else { | ||
| // Create session using Kubernetes secret credentials | ||
| var err error | ||
| options, err = m.createSessionUsingK8sSecretCredentials(ctx, k8sClient) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create session using Kubernetes secret credentials: %w", err) | ||
| } | ||
| } | ||
|
|
||
| // Create session | ||
| sess, err := session.NewSessionWithOptions(options) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create AWS session: %w", err) | ||
| } | ||
|
|
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| return sess, nil | ||
| } | ||
|
|
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| func (m *mutator) createSessionUsingK8sSecretCredentials(ctx context.Context, k8sClient kubernetes.Interface) (session.Options, error) { | ||
| secret, err := k8sClient.CoreV1().Secrets("default").Get( | ||
| ctx, | ||
| "aws-credentials", | ||
| metav1.GetOptions{}, | ||
| ) | ||
| if err != nil { | ||
| return session.Options{}, fmt.Errorf("failed to get secret: %w", err) | ||
| } | ||
|
|
||
| return session.Options{ | ||
| SharedConfigState: session.SharedConfigDisable, | ||
| Config: aws.Config{ | ||
| Region: aws.String(m.config.Region), | ||
| Credentials: credentials.NewStaticCredentials(string(secret.Data["AWS_ACCESS_KEY_ID"]), string(secret.Data["AWS_SECRET_ACCESS_KEY"]), ""), | ||
| }, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // Copyright © 2024 Bank-Vaults Maintainers | ||
| // | ||
| // 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 aws | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/bank-vaults/secrets-webhook/pkg/provider" | ||
| ) | ||
|
|
||
| func (m *mutator) MutateObject(_ context.Context, _ provider.ObjectMutateRequest) error { | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // Copyright © 2024 Bank-Vaults Maintainers | ||
| // | ||
| // 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 aws | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
|
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| appCommon "github.com/bank-vaults/secrets-webhook/pkg/common" | ||
| "github.com/bank-vaults/secrets-webhook/pkg/provider" | ||
| "github.com/bank-vaults/secrets-webhook/pkg/registry" | ||
| ) | ||
|
|
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| func (m *mutator) MutatePod(_ context.Context, _ provider.PodMutateRequest) error { | ||
| return nil | ||
| } | ||
|
|
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| func (m *mutator) MutateContainers(_ context.Context, _ []corev1.Container, _ *corev1.PodSpec, _ appCommon.Config, _ appCommon.SecretInitConfig, _ kubernetes.Interface, _ registry.ImageRegistry) (bool, error) { | ||
| return false, nil | ||
| } |
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