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secrets.go
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secrets.go
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package google
import (
"context"
"fmt"
"os"
"regexp"
"strings"
secretmanager "cloud.google.com/go/secretmanager/apiv1"
"github.com/menta2l/secret-helper/pkg/secrets"
"golang.org/x/oauth2/google"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
secretmanagerpb "google.golang.org/genproto/googleapis/cloud/secretmanager/v1"
)
const oauth2scope = "https://www.googleapis.com/auth/cloud-platform"
// SecretsProvider Google Cloud secrets provider
type SecretsProvider struct {
ctx context.Context
credentials *google.Credentials
client *secretmanager.Client
clientError error
project string
}
func NewGoogleSecretsProvider(ctx context.Context) (secrets.Provider, error) {
sp := SecretsProvider{}
sp.ctx = ctx
sp.credentials, sp.clientError = google.FindDefaultCredentials(sp.ctx, oauth2scope)
if sp.clientError != nil {
return nil, sp.clientError
}
if project, ok := os.LookupEnv("GOOGLE_CLOUD_PROJECT"); ok {
sp.credentials.ProjectID = project
}
if sp.project != "" {
sp.credentials.ProjectID = sp.project
}
if sp.credentials.ProjectID == "" {
return nil, fmt.Errorf("no project specified and no default project set")
}
sp.project = sp.credentials.ProjectID
sp.client, sp.clientError = secretmanager.NewClient(sp.ctx, option.WithCredentials(sp.credentials))
if sp.clientError != nil {
return nil, sp.clientError
}
return &sp, nil
}
func (sp SecretsProvider) ListSecrets(ctx context.Context, prefix string) ([]string, error) {
var envs []string
// Build the request.
req := &secretmanagerpb.ListSecretsRequest{
Parent: "projects/" + sp.project,
}
// Call the API.
it := sp.client.ListSecrets(ctx, req)
for {
resp, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
return envs, fmt.Errorf("failed to list secret versions: %v", err)
}
path := resp.GetName()
if match, _ := regexp.MatchString("projects/[^/]+/secrets/"+prefix+".*", path); match {
parts := strings.Split(path, "/")
envs = append(envs, parts[len(parts)-1])
}
}
return envs, nil
}
func (sp SecretsProvider) GetSecret(ctx context.Context, preffix string, key string) (string, error) {
path := fmt.Sprintf("projects/%s/secrets/%s/versions/latest", sp.project, key)
accessRequest := &secretmanagerpb.AccessSecretVersionRequest{
Name: path,
}
result, err := sp.client.AccessSecretVersion(sp.ctx, accessRequest)
if err != nil {
return "", err
}
return string(result.Payload.Data), nil
}
func (sp SecretsProvider) GetSecrets(ctx context.Context, preffix string) ([]string, error) {
var envs []string
return envs, nil
}