122 lines
2.7 KiB
Go
122 lines
2.7 KiB
Go
package cluster
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import (
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"fmt"
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"github.com/zalando-incubator/postgres-operator/pkg/spec"
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"github.com/zalando-incubator/postgres-operator/pkg/util"
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"k8s.io/api/core/v1"
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)
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var NoActions []Action = []Action{}
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type MetaData struct {
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cluster *Cluster
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namespace string
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}
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type CreateSecret struct {
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ActionSecret
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}
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func NewCreateSecret(username string, secret *v1.Secret, cluster *Cluster) CreateSecret {
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return CreateSecret{ActionSecret{
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meta: MetaData{
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cluster: cluster,
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},
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secretUsername: username,
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secret: secret,
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}}
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}
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func NewUpdateSecret(username string, secret *v1.Secret, cluster *Cluster) UpdateSecret {
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return UpdateSecret{ActionSecret{
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meta: MetaData{
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cluster: cluster,
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},
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secretUsername: username,
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secret: secret,
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}}
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}
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type UpdateSecret struct {
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ActionSecret
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}
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type ActionSecret struct {
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meta MetaData
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secretUsername string
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secret *v1.Secret
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}
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type Action interface {
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Name() string
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Validate() error
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Apply() error
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}
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func (action CreateSecret) Apply() error {
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cluster := action.meta.cluster
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secret, err := cluster.KubeClient.
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Secrets(action.secret.Namespace).
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Create(action.secret)
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if err != nil {
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return fmt.Errorf("Cannot apply action %s: %v", action.Name(), err)
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}
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cluster.Secrets[secret.UID] = secret
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cluster.logger.Debugf(
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"created new secret %q, uid: %q",
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util.NameFromMeta(secret.ObjectMeta),
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secret.UID)
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return nil
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}
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func (action ActionSecret) Validate() error {
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if action.secret.Data["username"] == nil {
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return fmt.Errorf("Field 'username' is empty for %v", action.secret)
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}
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return nil
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}
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func (action CreateSecret) Name() string {
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return fmt.Sprintf("Create secret %v", action.secret)
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}
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func (action UpdateSecret) Apply() error {
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cluster := action.meta.cluster
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user := cluster.getSecretUser(action.secretUsername)
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// if this secret belongs to the infrastructure role and the password has
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// changed - replace it in the secret
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updateSecret := (user.Password != string(action.secret.Data["password"]) &&
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user.Origin == spec.RoleOriginInfrastructure)
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if updateSecret {
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msg := "Updating the secret %q from the infrastructure roles"
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cluster.logger.Debugf(msg, action.secret.Name)
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_, err := cluster.KubeClient.
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Secrets(action.secret.Namespace).
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Update(action.secret)
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if err != nil {
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msg = "Could not update infrastructure role secret for role %q: %v"
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return fmt.Errorf(msg, action.secretUsername, err)
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}
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} else {
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// for non-infrastructure role - update the role with the password from
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// the secret
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user.Password = string(action.secret.Data["password"])
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cluster.setSecretUser(action.secretUsername, user)
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}
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return nil
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}
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func (action UpdateSecret) Name() string {
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return fmt.Sprintf("Update secret %v", action.secret)
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}
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