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external-secrets/pkg/generator/gcr/gcr.go
Gergely Brautigam a5ddd97c21
chore: update go version of the project to 1.23 (#3829)
* chore: update go version of the project to 1.23

Signed-off-by: Gergely Brautigam <182850+Skarlso@users.noreply.github.com>

* fixed an absurd amount of linter issues

Signed-off-by: Gergely Brautigam <182850+Skarlso@users.noreply.github.com>

---------

Signed-off-by: Gergely Brautigam <182850+Skarlso@users.noreply.github.com>
2024-08-26 11:10:58 +02:00

96 lines
2.8 KiB
Go

/*
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 gcr
import (
"context"
"errors"
"fmt"
"strconv"
"golang.org/x/oauth2"
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/yaml"
esv1beta1 "github.com/external-secrets/external-secrets/apis/externalsecrets/v1beta1"
genv1alpha1 "github.com/external-secrets/external-secrets/apis/generators/v1alpha1"
"github.com/external-secrets/external-secrets/pkg/provider/gcp/secretmanager"
"github.com/external-secrets/external-secrets/pkg/utils/resolvers"
)
type Generator struct{}
const (
defaultLoginUsername = `oauth2accesstoken`
errNoSpec = "no config spec provided"
errParseSpec = "unable to parse spec: %w"
errGetToken = "unable to get authorization token: %w"
)
func (g *Generator) Generate(ctx context.Context, jsonSpec *apiextensions.JSON, kube client.Client, namespace string) (map[string][]byte, error) {
return g.generate(
ctx,
jsonSpec,
kube,
namespace,
secretmanager.NewTokenSource,
)
}
func (g *Generator) generate(
ctx context.Context,
jsonSpec *apiextensions.JSON,
kube client.Client,
namespace string,
tokenSource tokenSourceFunc) (map[string][]byte, error) {
if jsonSpec == nil {
return nil, errors.New(errNoSpec)
}
res, err := parseSpec(jsonSpec.Raw)
if err != nil {
return nil, fmt.Errorf(errParseSpec, err)
}
ts, err := tokenSource(ctx, esv1beta1.GCPSMAuth{
SecretRef: (*esv1beta1.GCPSMAuthSecretRef)(res.Spec.Auth.SecretRef),
WorkloadIdentity: (*esv1beta1.GCPWorkloadIdentity)(res.Spec.Auth.WorkloadIdentity),
}, res.Spec.ProjectID, resolvers.EmptyStoreKind, kube, namespace)
if err != nil {
return nil, err
}
token, err := ts.Token()
if err != nil {
return nil, err
}
exp := strconv.FormatInt(token.Expiry.UTC().Unix(), 10)
return map[string][]byte{
"username": []byte(defaultLoginUsername),
"password": []byte(token.AccessToken),
"expiry": []byte(exp),
}, nil
}
type tokenSourceFunc func(ctx context.Context, auth esv1beta1.GCPSMAuth, projectID string, storeKind string, kube client.Client, namespace string) (oauth2.TokenSource, error)
func parseSpec(data []byte) (*genv1alpha1.GCRAccessToken, error) {
var spec genv1alpha1.GCRAccessToken
err := yaml.Unmarshal(data, &spec)
return &spec, err
}
func init() {
genv1alpha1.Register(genv1alpha1.GCRAccessTokenKind, &Generator{})
}