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tag what container to backup and to run the steps against

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This commit is contained in:
jandre 2021-06-03 17:17:34 +02:00
parent 3a7dd1d2b2
commit 1b09212f6d
3 changed files with 13 additions and 1 deletions
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2
api/v1alpha1/backupconfiguration_types.go
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@ -44,6 +44,8 @@ type Target struct {
Kind string `json:"kind"` Kind string `json:"kind"`
Name string `json:"name"` Name string `json:"name"`
// +optional // +optional
ContainerName string `json:"containerName"`
// +optional
ApiVersion string `json:"apiVersion,omitempty"` ApiVersion string `json:"apiVersion,omitempty"`
// +optional // +optional
VolumeMounts []corev1.VolumeMount `json:"volumeMounts,omitempty"` VolumeMounts []corev1.VolumeMount `json:"volumeMounts,omitempty"`

2
api/v1alpha1/common.go
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@ -19,6 +19,8 @@ const (
RESTORE_ANNOTATION = "restore" RESTORE_ANNOTATION = "restore"
// the name of the sidecar container // the name of the sidecar container
SIDECARCONTAINER_NAME string = "formol" SIDECARCONTAINER_NAME string = "formol"
// the name of the container we backup when there are more than 1 container in the pod
TARGETCONTAINER_TAG string = "FORMOL_TARGET"
// Used by both the backupsession and restoresession controllers to identified the target deployment // Used by both the backupsession and restoresession controllers to identified the target deployment
TARGET_NAME string = "TARGET_NAME" TARGET_NAME string = "TARGET_NAME"
// Used by restoresession controller // Used by restoresession controller

10
controllers/backupconfiguration_controller.go
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@ -214,11 +214,19 @@ func (r *BackupConfigurationReconciler) Reconcile(ctx context.Context, req recon
return err return err
} }
log.V(1).Info("got deployment", "Deployment", deployment) log.V(1).Info("got deployment", "Deployment", deployment)
for _, container := range deployment.Spec.Template.Spec.Containers { for i, container := range deployment.Spec.Template.Spec.Containers {
if container.Name == formolv1alpha1.SIDECARCONTAINER_NAME { if container.Name == formolv1alpha1.SIDECARCONTAINER_NAME {
log.V(0).Info("There is already a backup sidecar container. Skipping", "container", container) log.V(0).Info("There is already a backup sidecar container. Skipping", "container", container)
return nil return nil
} }
if target.ContainerName != "" && target.ContainerName == container.Name {
// Put a tag so we can find what container we are supposed to backup
// and what process we are supposed to chroot to run the init steps
deployment.Spec.Template.Spec.Containers[i].Env = append(container.Env, corev1.EnvVar{
Name: formolv1alpha1.TARGETCONTAINER_TAG,
Value: "True",
})
}
} }
sidecar := corev1.Container{ sidecar := corev1.Container{
Name: formolv1alpha1.SIDECARCONTAINER_NAME, Name: formolv1alpha1.SIDECARCONTAINER_NAME,