132 lines
3.1 KiB
Go
132 lines
3.1 KiB
Go
package main
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import (
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"context"
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"encoding/base64"
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"fmt"
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"os"
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"time"
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"git.cloud.cluster.fun/AverageMarcus/kube-1password-secrets/internal/onepassword"
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apiv1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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)
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const (
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idAnnotation = "kube-1password"
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vaultAnnotation = "kube-1password/vault"
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usernameAnnotation = "kube-1password/username-key"
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passwordAnnotation = "kube-1password/password-key"
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secretTextAnnotation = "kube-1password/secret-text-key"
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)
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func main() {
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opClient, err := buildOpClient()
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if err != nil {
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panic(err.Error())
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}
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config, err := rest.InClusterConfig()
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if err != nil {
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panic(err.Error())
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}
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clientset, err := kubernetes.NewForConfig(config)
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if err != nil {
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panic(err)
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}
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secretsClient := clientset.CoreV1().Secrets(apiv1.NamespaceAll)
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for {
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list, err := secretsClient.List(context.Background(), metav1.ListOptions{})
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if err != nil {
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panic(err)
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}
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for _, s := range list.Items {
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if passwordID, exists := s.ObjectMeta.Annotations[idAnnotation]; exists {
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keys := parseAnnotations(s.ObjectMeta.Annotations)
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vault := keys["vault"]
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item, err := opClient.GetSecret(vault, passwordID)
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if err != nil {
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fmt.Println("[ERROR] Could not get secret", err)
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continue
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}
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if item.Username != "" {
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var username []byte
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base64.StdEncoding.Encode(username, []byte(item.Username))
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s.Data[keys["username"]] = username
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}
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if item.Password != "" {
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var password []byte
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base64.StdEncoding.Encode(password, []byte(item.Password))
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s.Data[keys["password"]] = password
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}
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if item.SecretText != "" {
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var secretText []byte
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base64.StdEncoding.Encode(secretText, []byte(item.SecretText))
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s.Data[keys["secretText"]] = secretText
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}
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if _, err := secretsClient.Update(context.Background(), &s, metav1.UpdateOptions{}); err != nil {
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fmt.Println("[ERROR] Could not update secret value", err)
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continue
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}
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}
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}
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time.Sleep(5 * time.Minute)
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}
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}
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func buildOpClient() (*onepassword.Client, error) {
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domain, ok := os.LookupEnv("OP_DOMAIN")
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if !ok {
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return nil, fmt.Errorf("OP_DOMAIN not specified")
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}
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email, ok := os.LookupEnv("OP_EMAIL")
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if !ok {
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return nil, fmt.Errorf("OP_EMAIL not specified")
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}
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password, ok := os.LookupEnv("OP_PASSWORD")
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if !ok {
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return nil, fmt.Errorf("OP_PASSWORD not specified")
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}
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secretKey, ok := os.LookupEnv("OP_SECRET_KEY")
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if !ok {
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return nil, fmt.Errorf("OP_SECRET_KEY not specified")
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}
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return onepassword.New(domain, email, password, secretKey)
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}
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func parseAnnotations(annotations map[string]string) map[string]string {
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keys := map[string]string{
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"username": "username",
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"password": "password",
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"secretText": "secretText",
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"vault": os.Getenv("OP_VAULT"),
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}
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for k, v := range annotations {
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switch k {
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case vaultAnnotation:
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keys["vault"] = v
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case usernameAnnotation:
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keys["username"] = v
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case passwordAnnotation:
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keys["password"] = v
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case secretTextAnnotation:
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keys["secretText"] = v
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}
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}
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return keys
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}
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