mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-15 17:51:03 +00:00
96 lines
3.1 KiB
Go
Generated
96 lines
3.1 KiB
Go
Generated
//
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// DISCLAIMER
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//
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// Copyright 2016-2023 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package api
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import (
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"context"
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"fmt"
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"time"
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jg "github.com/golang-jwt/jwt"
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typedCore "k8s.io/client-go/kubernetes/typed/core/v1"
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"github.com/arangodb/kube-arangodb/pkg/util"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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"github.com/arangodb/kube-arangodb/pkg/util/globals"
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"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
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secret "github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector/secret/v1"
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"github.com/arangodb/kube-arangodb/pkg/util/k8sutil/kerrors"
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)
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// ensureJWT ensure that JWT signing key exists or creates a new one.
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// It also saves new token into secret if it is not present.
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// Returns JWT signing key.
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func ensureJWT(cli typedCore.CoreV1Interface, cfg ServerConfig) (string, error) {
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secrets := cli.Secrets(cfg.Namespace)
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signingKey, err := k8sutil.GetTokenSecret(context.Background(), secrets, cfg.JWTKeySecretName)
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if err != nil && kerrors.IsNotFound(err) || signingKey == "" {
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signingKey, err = createSigningKey(secrets, cfg.JWTKeySecretName)
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if err != nil {
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return "", err
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}
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} else if err != nil {
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return "", errors.WithStack(err)
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}
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_, err = k8sutil.GetTokenSecret(context.Background(), secrets, cfg.JWTSecretName)
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if err != nil && kerrors.IsNotFound(err) {
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err = generateAndSaveJWT(secrets, cfg)
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if err != nil {
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return "", err
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}
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} else if err != nil {
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return "", errors.WithStack(err)
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}
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return signingKey, nil
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}
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// generateAndSaveJWT tries to generate new JWT using signing key retrieved from secret.
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// If it is not present, it creates a new key.
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// The resulting JWT is stored in secrets.
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func generateAndSaveJWT(secrets secret.Interface, cfg ServerConfig) error {
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claims := jg.MapClaims{
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"iss": fmt.Sprintf("kube-arangodb/%s", cfg.ServerName),
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"iat": time.Now().Unix(),
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}
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err := k8sutil.CreateJWTFromSecret(context.Background(), secrets, secrets, cfg.JWTSecretName, cfg.JWTKeySecretName, claims, nil)
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if err != nil {
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return errors.WithStack(err)
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}
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return err
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}
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func createSigningKey(secrets secret.ModInterface, keySecretName string) (string, error) {
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signingKey := make([]byte, 32)
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_, err := util.Rand().Read(signingKey)
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if err != nil {
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return "", errors.WithStack(err)
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}
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err = globals.GetGlobalTimeouts().Kubernetes().RunWithTimeout(context.Background(), func(ctxChild context.Context) error {
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return k8sutil.CreateTokenSecret(ctxChild, secrets, keySecretName, string(signingKey), nil)
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})
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if err != nil {
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return "", errors.WithStack(err)
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}
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return string(signingKey), nil
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}
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