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secret.go
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secret.go
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/*
Copyright 2019 The Kubernetes Authors.
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 fitasks
import (
"fmt"
"k8s.io/kops/upup/pkg/fi"
)
// +kops:fitask
type Secret struct {
Name *string
Lifecycle fi.Lifecycle
}
var _ fi.HasCheckExisting = &Secret{}
// It's important always to check for the existing Secret, so we don't regenerate tokens e.g. on terraform
func (e *Secret) CheckExisting(c *fi.Context) bool {
return true
}
func (e *Secret) Find(c *fi.Context) (*Secret, error) {
secrets := c.SecretStore
name := fi.StringValue(e.Name)
if name == "" {
return nil, nil
}
secret, err := secrets.FindSecret(name)
if err != nil {
return nil, err
}
if secret == nil {
return nil, nil
}
actual := &Secret{
Name: &name,
}
// Avoid spurious changes
actual.Lifecycle = e.Lifecycle
return actual, nil
}
func (e *Secret) Run(c *fi.Context) error {
return fi.DefaultDeltaRunMethod(e, c)
}
func (s *Secret) CheckChanges(a, e, changes *Secret) error {
if a != nil {
if changes.Name != nil {
return fi.CannotChangeField("Name")
}
}
return nil
}
func (_ *Secret) Render(c *fi.Context, a, e, changes *Secret) error {
name := fi.StringValue(e.Name)
if name == "" {
return fi.RequiredField("Name")
}
secrets := c.SecretStore
secret, err := fi.CreateSecret()
if err != nil {
return fmt.Errorf("error creating secret %q: %v", name, err)
}
_, _, err = secrets.GetOrCreateSecret(name, secret)
if err != nil {
return fmt.Errorf("error creating secret %q: %v", name, err)
}
return nil
}