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secretsync.go
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secretsync.go
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package secret
import (
"context"
"fmt"
"time"
"github.com/gophercloud/utils/openstack/clientconfig"
operatorv1 "github.com/openshift/api/operator/v1"
"github.com/openshift/csi-driver-manila-operator/pkg/util"
"github.com/openshift/library-go/pkg/controller/factory"
"github.com/openshift/library-go/pkg/operator/events"
"github.com/openshift/library-go/pkg/operator/resource/resourceapply"
"github.com/openshift/library-go/pkg/operator/v1helpers"
"gopkg.in/yaml.v2"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
corelisters "k8s.io/client-go/listers/core/v1"
"k8s.io/klog/v2"
)
// This SecretSyncController translates Secret provided by cloud-credential-operator into
// format required by the CSI driver.
type SecretSyncController struct {
operatorClient v1helpers.OperatorClient
kubeClient kubernetes.Interface
secretLister corelisters.SecretLister
eventRecorder events.Recorder
}
const (
// Name of key with clouds.yaml in Secret provided by cloud-credentials-operator.
cloudSecretKey = "clouds.yaml"
// Name of OpenStack in clouds.yaml
// Canonical path for custom ca certificates
cacertPath = "/etc/kubernetes/static-pod-resources/configmaps/cloud-config/ca-bundle.pem"
)
func NewSecretSyncController(
operatorClient v1helpers.OperatorClient,
kubeClient kubernetes.Interface,
informers v1helpers.KubeInformersForNamespaces,
resync time.Duration,
eventRecorder events.Recorder) factory.Controller {
// Read secret from operator namespace and save the translated one to the operand namespace
secretInformer := informers.InformersFor(util.OperatorNamespace)
c := &SecretSyncController{
operatorClient: operatorClient,
kubeClient: kubeClient,
secretLister: secretInformer.Core().V1().Secrets().Lister(),
eventRecorder: eventRecorder.WithComponentSuffix("SecretSync"),
}
return factory.New().WithSync(c.sync).ResyncEvery(resync).WithSyncDegradedOnError(operatorClient).WithInformers(
operatorClient.Informer(),
secretInformer.Core().V1().Secrets().Informer(),
).ToController("SecretSync", eventRecorder)
}
func (c *SecretSyncController) sync(ctx context.Context, syncCtx factory.SyncContext) error {
opSpec, _, _, err := c.operatorClient.GetOperatorState()
if err != nil {
return err
}
if opSpec.ManagementState != operatorv1.Managed {
return nil
}
cloudSecret, err := c.secretLister.Secrets(util.OperatorNamespace).Get(util.CloudCredentialSecretName)
if err != nil {
if errors.IsNotFound(err) {
// TODO: report error after some while?
klog.V(2).Infof("Waiting for secret %s from cloud-credentials-operator", util.CloudCredentialSecretName)
return nil
}
return err
}
driverSecret, err := c.translateSecret(cloudSecret)
if err != nil {
return err
}
_, _, err = resourceapply.ApplySecret(ctx, c.kubeClient.CoreV1(), c.eventRecorder, driverSecret)
if err != nil {
return err
}
return nil
}
func (c *SecretSyncController) translateSecret(cloudSecret *v1.Secret) (*v1.Secret, error) {
content, ok := cloudSecret.Data[cloudSecretKey]
if !ok {
return nil, fmt.Errorf("OpenStack credentials secret %s did not contain key %s", util.CloudCredentialSecretName, cloudSecretKey)
}
var clouds clientconfig.Clouds
err := yaml.Unmarshal(content, &clouds)
if err != nil {
return nil, fmt.Errorf("failed to unmarshal clouds credentials stored in secret %s: %s", util.CloudCredentialSecretName, err)
}
cloud, ok := clouds.Clouds[util.CloudName]
if !ok {
return nil, fmt.Errorf("failed to parse clouds credentials stored in secret %s: cloud %s not found", util.CloudCredentialSecretName, util.CloudName)
}
data := cloudToConf(cloud)
secret := v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: util.ManilaSecretName,
Namespace: util.OperandNamespace,
},
Type: v1.SecretTypeOpaque,
Data: data,
}
return &secret, nil
}
func cloudToConf(cloud clientconfig.Cloud) map[string][]byte {
data := make(map[string][]byte)
if cloud.AuthInfo.AuthURL != "" {
data["os-authURL"] = []byte(cloud.AuthInfo.AuthURL)
}
if cloud.RegionName != "" {
data["os-region"] = []byte(cloud.RegionName)
}
if cloud.AuthInfo.UserID != "" {
data["os-userID"] = []byte(cloud.AuthInfo.UserID)
} else if cloud.AuthInfo.Username != "" {
data["os-userName"] = []byte(cloud.AuthInfo.Username)
}
if cloud.AuthInfo.Password != "" {
data["os-password"] = []byte(cloud.AuthInfo.Password)
}
if cloud.AuthInfo.ApplicationCredentialID != "" {
data["os-applicationCredentialID"] = []byte(cloud.AuthInfo.ApplicationCredentialID)
}
if cloud.AuthInfo.ApplicationCredentialName != "" {
data["os-applicationCredentialName"] = []byte(cloud.AuthInfo.ApplicationCredentialName)
}
if cloud.AuthInfo.ApplicationCredentialSecret != "" {
data["os-applicationCredentialSecret"] = []byte(cloud.AuthInfo.ApplicationCredentialSecret)
}
if cloud.AuthInfo.ProjectID != "" {
data["os-projectID"] = []byte(cloud.AuthInfo.ProjectID)
} else if cloud.AuthInfo.ProjectName != "" {
data["os-projectName"] = []byte(cloud.AuthInfo.ProjectName)
}
if cloud.AuthInfo.DomainID != "" {
data["os-domainID"] = []byte(cloud.AuthInfo.DomainID)
} else if cloud.AuthInfo.DomainName != "" {
data["os-domainName"] = []byte(cloud.AuthInfo.DomainName)
}
if cloud.AuthInfo.ProjectDomainID != "" {
data["os-projectDomainID"] = []byte(cloud.AuthInfo.ProjectDomainID)
} else if cloud.AuthInfo.ProjectDomainName != "" {
data["os-projectDomainName"] = []byte(cloud.AuthInfo.ProjectDomainName)
}
if cloud.AuthInfo.UserDomainID != "" {
data["os-userDomainID"] = []byte(cloud.AuthInfo.UserDomainID)
data["os-domainID"] = []byte(cloud.AuthInfo.UserDomainID)
} else if cloud.AuthInfo.UserDomainName != "" {
data["os-userDomainName"] = []byte(cloud.AuthInfo.UserDomainName)
data["os-domainName"] = []byte(cloud.AuthInfo.UserDomainName)
}
if cloud.CACertFile != "" {
// Replace the original cert authority path from clouds.yaml with the canonical one
data["os-certAuthorityPath"] = []byte(cacertPath)
}
return data
}