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Added sidecar volume mounts

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This commit is contained in:
Jean-Marc ANDRE 2023-02-07 17:12:17 +01:00
parent e22c29f783
commit aba4ae4620
1 changed files with 21 additions and 2 deletions
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23
controllers/backupconfiguration_controller_helpers.go
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@ -17,6 +17,7 @@ limitations under the License.
package controllers
import (
"fmt"
appsv1 "k8s.io/api/apps/v1"
batchv1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
@ -24,6 +25,7 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"strings"
formolv1alpha1 "github.com/desmo999r/formol/api/v1alpha1"
)
@ -175,17 +177,34 @@ func (r *BackupConfigurationReconciler) AddSidecar(backupConf formolv1alpha1.Bac
// the backupType: Online needs a sidecar container for every single listed 'container'
// if the backupType is something else than Online, the 'container' will still need a sidecar
// if it has 'steps'
addTags := func(podSpec *corev1.PodSpec, target formolv1alpha1.Target) bool {
addTags := func(sideCar *corev1.Container, podSpec *corev1.PodSpec, target formolv1alpha1.Target) bool {
for i, container := range podSpec.Containers {
if container.Name == formolv1alpha1.SIDECARCONTAINER_NAME {
return false
}
for _, targetContainer := range target.Containers {
if targetContainer.Name == container.Name {
// Found a target container. Tag it.
podSpec.Containers[i].Env = append(container.Env, corev1.EnvVar{
Name: formolv1alpha1.TARGETCONTAINER_TAG,
Value: container.Name,
})
// targetContainer.Paths are the paths to backup
// We have to find what volumes are mounted under those paths
// and mount them under a path that exists in the sidecar container
for i, path := range targetContainer.Paths {
vm := corev1.VolumeMount{ReadOnly: true}
for _, volumeMount := range container.VolumeMounts {
var longest int = 0
if strings.HasPrefix(path, volumeMount.MountPath) && len(volumeMount.MountPath) > longest {
longest = len(volumeMount.MountPath)
vm.Name = volumeMount.Name
vm.MountPath = fmt.Sprintf("/backup%d", i)
vm.SubPath = volumeMount.SubPath
}
}
sideCar.VolumeMounts = append(sideCar.VolumeMounts, vm)
}
}
}
}
@ -233,7 +252,7 @@ func (r *BackupConfigurationReconciler) AddSidecar(backupConf formolv1alpha1.Bac
r.Log.Error(err, "cannot get deployment", "Deployment", target.TargetName)
return err
}
if addTags(&deployment.Spec.Template.Spec, target) {
if addTags(&sideCar, &deployment.Spec.Template.Spec, target) {
deployment.Spec.Template.Spec.Containers = append(deployment.Spec.Template.Spec.Containers, sideCar)
r.Log.V(1).Info("Updating deployment", "deployment", deployment, "containers", deployment.Spec.Template.Spec.Containers)
if err := r.Update(r.Context, deployment); err != nil {