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filesystem.go
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filesystem.go
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package snapshot
import (
"bufio"
"bytes"
"context"
"crypto/md5"
"crypto/sha256"
"encoding/json"
"fmt"
"strconv"
"time"
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/replicatedhq/kots/pkg/image"
"github.com/replicatedhq/kots/pkg/k8sutil"
kotsadmresources "github.com/replicatedhq/kots/pkg/kotsadm/resources"
kotsadmtypes "github.com/replicatedhq/kots/pkg/kotsadm/types"
kotsadmversion "github.com/replicatedhq/kots/pkg/kotsadm/version"
"github.com/replicatedhq/kots/pkg/kotsutil"
kotss3 "github.com/replicatedhq/kots/pkg/s3"
types "github.com/replicatedhq/kots/pkg/snapshot/types"
"github.com/replicatedhq/kots/pkg/util"
velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
kuberneteserrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/client-go/kubernetes"
"k8s.io/utils/pointer"
k8syaml "sigs.k8s.io/yaml"
)
const (
FileSystemMinioConfigMapName, FileSystemMinioSecretName = "kotsadm-fs-minio", "kotsadm-fs-minio-creds"
FileSystemMinioDeploymentName, FileSystemMinioServiceName = "kotsadm-fs-minio", "kotsadm-fs-minio"
FileSystemMinioProvider, FileSystemMinioBucketName, FileSystemMinioRegion = "aws", "velero", "minio"
FileSystemMinioServicePort = 9000
)
type FileSystemDeployOptions struct {
Namespace string
IsOpenShift bool
ForceReset bool
FileSystemConfig types.FileSystemConfig
}
type ResetFileSystemError struct {
Message string
}
func (e ResetFileSystemError) Error() string {
return e.Message
}
type HostPathNotFoundError struct {
Message string
}
func (e HostPathNotFoundError) Error() string {
return e.Message
}
func DeployFileSystemMinio(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) error {
// file system minio can be deployed before installing kotsadm or the application (e.g. disaster recovery)
err := kotsadmresources.EnsurePrivateKotsadmRegistrySecret(deployOptions.Namespace, registryOptions, clientset)
if err != nil {
return errors.Wrap(err, "failed to ensure private kotsadm registry secret")
}
// configure fs directory/mount
shouldReset, hasMinioConfig, _, err := shouldResetFileSystemMount(ctx, clientset, deployOptions, registryOptions)
if err != nil {
return errors.Wrap(err, "failed to check if should reset file system mount")
}
if shouldReset {
if !deployOptions.ForceReset {
return &ResetFileSystemError{Message: getFileSystemResetWarningMsg(deployOptions.FileSystemConfig)}
}
err := resetFileSystemMount(ctx, clientset, deployOptions, registryOptions)
if err != nil {
return errors.Wrap(err, "failed to reset file system mount")
}
}
if shouldReset || !hasMinioConfig {
// restart file system minio to regenerate the config
err := k8sutil.ScaleDownDeployment(ctx, clientset, deployOptions.Namespace, FileSystemMinioDeploymentName)
if err != nil {
return errors.Wrap(err, "failed to scale down file system minio")
}
}
// deploy resources
err = ensureFileSystemConfigMap(ctx, clientset, deployOptions)
if err != nil {
return errors.Wrap(err, "failed to ensure file system minio secret")
}
secret, err := ensureFileSystemMinioSecret(ctx, clientset, deployOptions.Namespace)
if err != nil {
return errors.Wrap(err, "failed to ensure file system minio secret")
}
err = writeMinioKeysSHAFile(ctx, clientset, secret, deployOptions, registryOptions)
if err != nil {
return errors.Wrap(err, "failed to write minio keys sha file")
}
marshalledSecret, err := k8syaml.Marshal(secret)
if err != nil {
return errors.Wrap(err, "failed to marshal file system minio secret")
}
if err := ensureFileSystemMinioDeployment(ctx, clientset, deployOptions, registryOptions, marshalledSecret); err != nil {
return errors.Wrap(err, "failed to ensure file system minio deployment")
}
if err := ensureFileSystemMinioService(ctx, clientset, deployOptions.Namespace); err != nil {
return errors.Wrap(err, "failed to ensure service")
}
return nil
}
func DeployFileSystemLvp(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) error {
veleroNamespace, err := DetectVeleroNamespace(ctx, clientset, deployOptions.Namespace)
if err != nil {
return errors.Wrap(err, "failed to detect velero namespace")
}
// Deploy the config map exists for the plugin
if err = EnsureLocalVolumeProviderConfigMap(deployOptions, veleroNamespace); err != nil {
return errors.Wrap(err, "failed to configure local volume provider plugin config map")
}
return nil
}
func ValidateFileSystemDeployment(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) (bool, bool, error) {
// configure fs directory/mount. This is a legacy check to see if this directory was migrated from Minio and has an intermediate directory
_, hasMinioConfig, writable, err := shouldResetFileSystemMount(ctx, clientset, deployOptions, registryOptions)
if err != nil {
return false, false, errors.Wrap(err, "failed to check if should reset file system mount")
}
return hasMinioConfig, writable, nil
}
func ensureFileSystemConfigMap(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions) error {
configmap := fileSystemConfigMapResource(deployOptions.FileSystemConfig)
existingConfigMap, err := clientset.CoreV1().ConfigMaps(deployOptions.Namespace).Get(ctx, configmap.Name, metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get existing configmap")
}
_, err := clientset.CoreV1().ConfigMaps(deployOptions.Namespace).Create(ctx, configmap, metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create configmap")
}
return nil
}
existingConfigMap = updateFileSystemConfigMap(existingConfigMap, configmap)
_, err = clientset.CoreV1().ConfigMaps(deployOptions.Namespace).Update(ctx, existingConfigMap, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update deployment")
}
return nil
}
func fileSystemConfigMapResource(fileSystemConfig types.FileSystemConfig) *corev1.ConfigMap {
data := map[string]string{}
if fileSystemConfig.HostPath != nil {
data["HOSTPATH"] = *fileSystemConfig.HostPath
} else if fileSystemConfig.NFS != nil {
data["NFS_PATH"] = fileSystemConfig.NFS.Path
data["NFS_SERVER"] = fileSystemConfig.NFS.Server
}
return &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "Secret",
},
ObjectMeta: metav1.ObjectMeta{
Name: FileSystemMinioConfigMapName,
},
Data: data,
}
}
func updateFileSystemConfigMap(existingConfigMap, desiredConfigMap *corev1.ConfigMap) *corev1.ConfigMap {
existingConfigMap.Data = desiredConfigMap.Data
return existingConfigMap
}
func ensureFileSystemMinioSecret(ctx context.Context, clientset kubernetes.Interface, namespace string) (*corev1.Secret, error) {
secret := fileSystemMinioSecretResource()
existingSecret, err := clientset.CoreV1().Secrets(namespace).Get(ctx, secret.Name, metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
return nil, errors.Wrap(err, "failed to get existing secret")
}
s, err := clientset.CoreV1().Secrets(namespace).Create(ctx, secret, metav1.CreateOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to create secret")
}
return s, nil
}
// no patch needed
return existingSecret, nil
}
func fileSystemMinioSecretResource() *corev1.Secret {
accessKey := "kotsadm"
secretKey := uuid.New().String()
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "Secret",
},
ObjectMeta: metav1.ObjectMeta{
Name: FileSystemMinioSecretName,
},
Data: map[string][]byte{
"MINIO_ACCESS_KEY": []byte(accessKey),
"MINIO_SECRET_KEY": []byte(secretKey),
},
}
}
func ensureFileSystemMinioDeployment(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions, marshalledSecret []byte) error {
secretChecksum := fmt.Sprintf("%x", md5.Sum(marshalledSecret))
deployment, err := fileSystemMinioDeploymentResource(clientset, secretChecksum, deployOptions, registryOptions)
if err != nil {
return errors.Wrap(err, "failed to get deployment resource")
}
existingDeployment, err := clientset.AppsV1().Deployments(deployOptions.Namespace).Get(ctx, deployment.Name, metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get existing deployment")
}
_, err = clientset.AppsV1().Deployments(deployOptions.Namespace).Create(ctx, deployment, metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create deployment")
}
return nil
}
existingDeployment, err = updateFileSystemMinioDeployment(existingDeployment, deployment)
if err != nil {
return errors.Wrap(err, "failed to modify deployment fields")
}
_, err = clientset.AppsV1().Deployments(deployOptions.Namespace).Update(ctx, existingDeployment, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update deployment")
}
return nil
}
func fileSystemMinioDeploymentResource(clientset kubernetes.Interface, secretChecksum string, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) (*appsv1.Deployment, error) {
existingImage, err := image.GetMinioImage(clientset, deployOptions.Namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to find minio image")
}
minioTag, err := image.GetTag(existingImage)
if err != nil {
return nil, errors.Wrap(err, "failed to get minio image tag")
}
minioImage := fmt.Sprintf("minio/minio:%s", minioTag)
imagePullSecrets := []corev1.LocalObjectReference{}
if !kotsutil.IsKurl(clientset) || deployOptions.Namespace != metav1.NamespaceDefault {
var err error
imageRewriteFn := kotsadmversion.DependencyImageRewriteKotsadmRegistry(deployOptions.Namespace, ®istryOptions)
minioImage, imagePullSecrets, err = imageRewriteFn(minioImage, false)
if err != nil {
return nil, errors.Wrap(err, "failed to rewrite image")
}
}
var securityContext corev1.PodSecurityContext
if !deployOptions.IsOpenShift {
securityContext = corev1.PodSecurityContext{
RunAsUser: util.IntPointer(1001),
FSGroup: util.IntPointer(1001),
}
}
env := []corev1.EnvVar{
{
Name: "MINIO_UPDATE",
Value: "off",
},
{
Name: "MINIO_ACCESS_KEY",
ValueFrom: &corev1.EnvVarSource{
SecretKeyRef: &corev1.SecretKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: FileSystemMinioSecretName,
},
Key: "MINIO_ACCESS_KEY",
},
},
},
{
Name: "MINIO_SECRET_KEY",
ValueFrom: &corev1.EnvVarSource{
SecretKeyRef: &corev1.SecretKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: FileSystemMinioSecretName,
},
Key: "MINIO_SECRET_KEY",
},
},
},
}
return &appsv1.Deployment{
TypeMeta: metav1.TypeMeta{
APIVersion: "apps/v1",
Kind: "Deployment",
},
ObjectMeta: metav1.ObjectMeta{
Name: FileSystemMinioDeploymentName,
},
Spec: appsv1.DeploymentSpec{
Replicas: pointer.Int32Ptr(1),
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"app": "kotsadm-fs-minio",
},
},
Strategy: appsv1.DeploymentStrategy{
Type: appsv1.RecreateDeploymentStrategyType,
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"app": "kotsadm-fs-minio",
},
Annotations: map[string]string{
"kots.io/fs-minio-creds-secret-checksum": secretChecksum,
},
},
Spec: corev1.PodSpec{
SecurityContext: &securityContext,
ImagePullSecrets: imagePullSecrets,
Containers: []corev1.Container{
{
Image: minioImage,
ImagePullPolicy: corev1.PullIfNotPresent,
Name: "minio",
Ports: []corev1.ContainerPort{
{Name: "http", ContainerPort: 9000},
},
Env: env,
VolumeMounts: []corev1.VolumeMount{
{
Name: "data",
MountPath: "/data",
},
{
Name: "minio-config-dir",
MountPath: "/home/minio/.minio/",
},
{
Name: "minio-cert-dir",
MountPath: "/.minio/",
},
},
Args: []string{"--quiet", "server", "data"},
LivenessProbe: &corev1.Probe{
ProbeHandler: corev1.ProbeHandler{
HTTPGet: &corev1.HTTPGetAction{
Path: "/minio/health/live",
Port: intstr.FromInt(9000),
},
},
InitialDelaySeconds: 5,
PeriodSeconds: 20,
},
ReadinessProbe: &corev1.Probe{
ProbeHandler: corev1.ProbeHandler{
HTTPGet: &corev1.HTTPGetAction{
Path: "/minio/health/ready",
Port: intstr.FromInt(9000),
},
},
InitialDelaySeconds: 5,
PeriodSeconds: 20,
},
},
},
Volumes: []corev1.Volume{
{
Name: "data",
VolumeSource: volumeSourceFromFileSystemConfig(deployOptions.FileSystemConfig),
},
{
Name: "minio-config-dir",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: "minio-cert-dir",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
},
},
},
},
}, nil
}
func updateFileSystemMinioDeployment(existingDeployment, desiredDeployment *appsv1.Deployment) (*appsv1.Deployment, error) {
if len(existingDeployment.Spec.Template.Spec.Containers) == 0 {
// hmm
return desiredDeployment, nil
}
existingDeployment.Spec.Replicas = desiredDeployment.Spec.Replicas
if existingDeployment.Spec.Template.Annotations == nil {
existingDeployment.Spec.Template.ObjectMeta.Annotations = map[string]string{}
}
existingDeployment.Spec.Template.ObjectMeta.Annotations["kots.io/fs-minio-creds-secret-checksum"] = desiredDeployment.Spec.Template.ObjectMeta.Annotations["kots.io/fs-minio-creds-secret-checksum"]
containerIdx := -1
for idx, c := range existingDeployment.Spec.Template.Spec.Containers {
if c.Name == "minio" {
containerIdx = idx
}
}
if containerIdx == -1 {
return nil, errors.New("failed to find minio container in deployment")
}
existingDeployment.Spec.Template.Spec.Containers[containerIdx].Image = desiredDeployment.Spec.Template.Spec.Containers[containerIdx].Image
existingDeployment.Spec.Template.Spec.Containers[containerIdx].LivenessProbe = desiredDeployment.Spec.Template.Spec.Containers[containerIdx].LivenessProbe
existingDeployment.Spec.Template.Spec.Containers[containerIdx].ReadinessProbe = desiredDeployment.Spec.Template.Spec.Containers[containerIdx].ReadinessProbe
existingDeployment.Spec.Template.Spec.Containers[containerIdx].Env = desiredDeployment.Spec.Template.Spec.Containers[containerIdx].Env
existingDeployment.Spec.Template.Spec.Volumes = desiredDeployment.Spec.Template.Spec.Volumes
return existingDeployment, nil
}
func volumeSourceFromFileSystemConfig(fileSystemConfig types.FileSystemConfig) corev1.VolumeSource {
volumeSource := corev1.VolumeSource{}
if fileSystemConfig.HostPath != nil {
volumeSource.HostPath = &corev1.HostPathVolumeSource{
Path: *fileSystemConfig.HostPath,
}
} else if fileSystemConfig.NFS != nil {
volumeSource.NFS = &corev1.NFSVolumeSource{
Path: fileSystemConfig.NFS.Path,
Server: fileSystemConfig.NFS.Server,
}
}
return volumeSource
}
func ensureFileSystemMinioService(ctx context.Context, clientset kubernetes.Interface, namespace string) error {
service := fileSystemMinioServiceResource()
existingService, err := clientset.CoreV1().Services(namespace).Get(ctx, service.Name, metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get existing service")
}
_, err = clientset.CoreV1().Services(namespace).Create(ctx, service, metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create service")
}
return nil
}
existingService = updateFileSystemMinioService(existingService, service)
_, err = clientset.CoreV1().Services(namespace).Update(ctx, existingService, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update service")
}
return nil
}
func fileSystemMinioServiceResource() *corev1.Service {
return &corev1.Service{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "Service",
},
ObjectMeta: metav1.ObjectMeta{
Name: FileSystemMinioServiceName,
},
Spec: corev1.ServiceSpec{
Type: corev1.ServiceTypeClusterIP,
Selector: map[string]string{
"app": "kotsadm-fs-minio",
},
Ports: []corev1.ServicePort{
{
Protocol: corev1.ProtocolTCP,
Port: FileSystemMinioServicePort,
TargetPort: intstr.FromInt(9000),
},
},
},
}
}
func updateFileSystemMinioService(existingService, desiredService *corev1.Service) *corev1.Service {
existingService.Spec.Ports = desiredService.Spec.Ports
return existingService
}
func shouldResetFileSystemMount(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) (shouldReset bool, hasMinioConfig bool, writable bool, finalErr error) {
checkPod, err := createFileSystemMinioCheckPod(ctx, clientset, deployOptions, registryOptions)
if err != nil {
finalErr = errors.Wrap(err, "failed to create file system minio check pod")
return
}
if err := k8sutil.WaitForPod(ctx, clientset, deployOptions.Namespace, checkPod.Name, time.Minute*2); err != nil {
finalErr = errors.Wrap(err, "failed to wait for file system minio check pod to complete")
return
}
logs, err := k8sutil.GetPodLogs(ctx, clientset, checkPod, true, nil)
if err != nil {
finalErr = errors.Wrap(err, "failed to get file system minio check pod logs")
return
}
if len(logs) == 0 {
finalErr = errors.New("no logs found")
return
}
type FileSystemMinioCheckPodOutput struct {
HasMinioConfig bool `json:"hasMinioConfig"`
MinioKeysSHA string `json:"minioKeysSHA"`
Writable bool `json:"writable"`
}
checkPodOutput := FileSystemMinioCheckPodOutput{}
scanner := bufio.NewScanner(bytes.NewReader(logs))
for scanner.Scan() {
line := scanner.Text()
if err := json.Unmarshal([]byte(line), &checkPodOutput); err != nil {
continue
}
break
}
writable = checkPodOutput.Writable
// only delete pod if we know we have an actionable output
clientset.CoreV1().Pods(deployOptions.Namespace).Delete(ctx, checkPod.Name, metav1.DeleteOptions{})
if !checkPodOutput.HasMinioConfig {
shouldReset = false
hasMinioConfig = false
return
}
if checkPodOutput.MinioKeysSHA == "" {
shouldReset = true
hasMinioConfig = true
return
}
minioSecret, err := clientset.CoreV1().Secrets(deployOptions.Namespace).Get(ctx, FileSystemMinioSecretName, metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
finalErr = errors.Wrap(err, "failed to get existing minio secret")
return
}
shouldReset = true
hasMinioConfig = true
return
}
newMinioKeysSHA := getMinioKeysSHA(string(minioSecret.Data["MINIO_ACCESS_KEY"]), string(minioSecret.Data["MINIO_SECRET_KEY"]))
if newMinioKeysSHA == checkPodOutput.MinioKeysSHA {
shouldReset = false
hasMinioConfig = true
return
}
shouldReset = true
hasMinioConfig = true
return
}
func resetFileSystemMount(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) error {
resetPod, err := createFileSystemMinioResetPod(ctx, clientset, deployOptions, registryOptions)
if err != nil {
return errors.Wrap(err, "failed to create file system minio reset pod")
}
if err := k8sutil.WaitForPod(ctx, clientset, deployOptions.Namespace, resetPod.Name, time.Minute*2); err != nil {
return errors.Wrap(err, "failed to wait for file system minio reset pod")
}
logs, err := k8sutil.GetPodLogs(ctx, clientset, resetPod, true, nil)
if err != nil {
return errors.Wrap(err, "failed to get file system minio reset pod logs")
}
if len(logs) == 0 {
return errors.New("no logs found")
}
type FileSystemMinioResetPodOutput struct {
Success bool `json:"success"`
}
resetPodOutput := FileSystemMinioResetPodOutput{}
scanner := bufio.NewScanner(bytes.NewReader(logs))
for scanner.Scan() {
line := scanner.Text()
if err := json.Unmarshal([]byte(line), &resetPodOutput); err != nil {
continue
}
break
}
if !resetPodOutput.Success {
return errors.Wrapf(err, "failed to reset, please check %s pod logs for more details", resetPod.Name)
}
// only delete the pod on success
clientset.CoreV1().Pods(deployOptions.Namespace).Delete(ctx, resetPod.Name, metav1.DeleteOptions{})
return nil
}
func writeMinioKeysSHAFile(ctx context.Context, clientset kubernetes.Interface, minioSecret *corev1.Secret, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) error {
minioKeysSHA := getMinioKeysSHA(string(minioSecret.Data["MINIO_ACCESS_KEY"]), string(minioSecret.Data["MINIO_SECRET_KEY"]))
keysSHAPod, err := createFileSystemMinioKeysSHAPod(ctx, clientset, deployOptions, registryOptions, minioKeysSHA)
if err != nil {
return errors.Wrap(err, "failed to create file system minio keysSHA pod")
}
if err := k8sutil.WaitForPod(ctx, clientset, deployOptions.Namespace, keysSHAPod.Name, time.Minute*2); err != nil {
return errors.Wrap(err, "failed to wait for file system minio keysSHA pod to complete")
}
logs, err := k8sutil.GetPodLogs(ctx, clientset, keysSHAPod, true, nil)
if err != nil {
return errors.Wrap(err, "failed to get file system minio keysSHA pod logs")
}
if len(logs) == 0 {
return errors.New("no logs found")
}
type FileSystemMinioKeysSHAPodOutput struct {
Success bool `json:"success"`
}
keysSHAPodOutput := FileSystemMinioKeysSHAPodOutput{}
scanner := bufio.NewScanner(bytes.NewReader(logs))
for scanner.Scan() {
line := scanner.Text()
if err := json.Unmarshal([]byte(line), &keysSHAPodOutput); err != nil {
continue
}
break
}
if !keysSHAPodOutput.Success {
return errors.Wrapf(err, "failed to write keys sha, please check %s pod logs for more details", keysSHAPod.Name)
}
// only delete the pod on success
clientset.CoreV1().Pods(deployOptions.Namespace).Delete(ctx, keysSHAPod.Name, metav1.DeleteOptions{})
return nil
}
func getMinioKeysSHA(accessKey, secretKey string) string {
return fmt.Sprintf("%x", sha256.Sum256([]byte(fmt.Sprintf("%s,%s", accessKey, secretKey))))
}
func createFileSystemMinioCheckPod(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) (*corev1.Pod, error) {
pod, err := fileSystemMinioCheckPod(ctx, clientset, deployOptions, registryOptions)
if err != nil {
return nil, errors.Wrap(err, "failed to get pod resource")
}
p, err := clientset.CoreV1().Pods(deployOptions.Namespace).Create(ctx, pod, metav1.CreateOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to create pod")
}
return p, nil
}
func createFileSystemMinioResetPod(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) (*corev1.Pod, error) {
pod, err := fileSystemMinioResetPod(ctx, clientset, deployOptions, registryOptions)
if err != nil {
return nil, errors.Wrap(err, "failed to get pod resource")
}
p, err := clientset.CoreV1().Pods(deployOptions.Namespace).Create(ctx, pod, metav1.CreateOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to create pod")
}
return p, nil
}
func createFileSystemMinioKeysSHAPod(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions, minioKeysSHA string) (*corev1.Pod, error) {
pod, err := fileSystemMinioKeysSHAPod(ctx, clientset, deployOptions, registryOptions, minioKeysSHA)
if err != nil {
return nil, errors.Wrap(err, "failed to get pod resource")
}
p, err := clientset.CoreV1().Pods(deployOptions.Namespace).Create(ctx, pod, metav1.CreateOptions{})
if err != nil {
return nil, errors.Wrap(err, "failed to create pod")
}
return p, nil
}
func fileSystemMinioCheckPod(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) (*corev1.Pod, error) {
podName := fmt.Sprintf("kotsadm-fs-minio-check-%d", time.Now().Unix())
command := []string{"/fs-minio-check.sh"}
return fileSystemMinioConfigPod(clientset, deployOptions, registryOptions, podName, command, nil, true)
}
func fileSystemMinioResetPod(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions) (*corev1.Pod, error) {
podName := fmt.Sprintf("kotsadm-fs-minio-reset-%d", time.Now().Unix())
command := []string{"/fs-minio-reset.sh"}
return fileSystemMinioConfigPod(clientset, deployOptions, registryOptions, podName, command, nil, false)
}
func fileSystemMinioKeysSHAPod(ctx context.Context, clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions, minioKeysSHA string) (*corev1.Pod, error) {
podName := fmt.Sprintf("kotsadm-fs-minio-keys-sha-%d", time.Now().Unix())
command := []string{"/fs-minio-keys-sha.sh"}
args := []string{minioKeysSHA}
return fileSystemMinioConfigPod(clientset, deployOptions, registryOptions, podName, command, args, false)
}
func fileSystemMinioConfigPod(clientset kubernetes.Interface, deployOptions FileSystemDeployOptions, registryOptions kotsadmtypes.KotsadmOptions, podName string, command []string, args []string, readOnly bool) (*corev1.Pod, error) {
var securityContext corev1.PodSecurityContext
if !deployOptions.IsOpenShift {
securityContext = corev1.PodSecurityContext{
RunAsUser: util.IntPointer(1001),
FSGroup: util.IntPointer(1001),
}
}
kotsadmTag := kotsadmversion.KotsadmTag(kotsadmtypes.KotsadmOptions{}) // default tag
image := fmt.Sprintf("kotsadm/kotsadm:%s", kotsadmTag)
imagePullSecrets := []corev1.LocalObjectReference{}
if !kotsutil.IsKurl(clientset) || deployOptions.Namespace != metav1.NamespaceDefault {
var err error
imageRewriteFn := kotsadmversion.KotsadmImageRewriteKotsadmRegistry(deployOptions.Namespace, ®istryOptions)
image, imagePullSecrets, err = imageRewriteFn(image, false)
if err != nil {
return nil, errors.Wrap(err, "failed to rewrite image")
}
}
pod := &corev1.Pod{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "Pod",
},
ObjectMeta: metav1.ObjectMeta{
Name: podName,
Namespace: deployOptions.Namespace,
Labels: map[string]string{
"app": "kotsadm-fs-minio",
},
},
Spec: corev1.PodSpec{
SecurityContext: &securityContext,
RestartPolicy: corev1.RestartPolicyOnFailure,
ImagePullSecrets: imagePullSecrets,
Volumes: []corev1.Volume{
{
Name: "fs",
VolumeSource: volumeSourceFromFileSystemConfig(deployOptions.FileSystemConfig),
},
},
Containers: []corev1.Container{
{
Image: image,
ImagePullPolicy: corev1.PullIfNotPresent,
Name: "fs-minio",
Command: command,
Args: args,
VolumeMounts: []corev1.VolumeMount{
{
Name: "fs",
MountPath: "/fs",
},
},
Resources: corev1.ResourceRequirements{
Limits: corev1.ResourceList{
"cpu": resource.MustParse("100m"),
"memory": resource.MustParse("100Mi"),
},
Requests: corev1.ResourceList{
"cpu": resource.MustParse("50m"),
"memory": resource.MustParse("50Mi"),
},
},
},
},
},
}
return pod, nil
}
func CreateFileSystemMinioBucket(ctx context.Context, clientset kubernetes.Interface, namespace string, registryOptions kotsadmtypes.KotsadmOptions) error {
storeFileSystem, err := BuildMinioStoreFileSystem(ctx, clientset, namespace)
if err != nil {
return errors.Wrap(err, "failed to build file system store")
}
podName := fmt.Sprintf("kotsadm-fs-minio-bucket-%d", time.Now().Unix())
options := kotss3.S3OpsPodOptions{
PodName: podName,
Endpoint: storeFileSystem.Endpoint,
BucketName: FileSystemMinioBucketName,
AccessKeyID: storeFileSystem.AccessKeyID,
SecretAccessKey: storeFileSystem.SecretAccessKey,
Namespace: namespace,
IsOpenShift: k8sutil.IsOpenShift(clientset),
RegistryOptions: ®istryOptions,
}
return kotss3.CreateS3BucketUsingAPod(ctx, clientset, options)
}
func getFileSystemResetWarningMsg(fileSystemConfig types.FileSystemConfig) string {
path := ""
if fileSystemConfig.HostPath != nil {
path = *fileSystemConfig.HostPath
} else if fileSystemConfig.NFS != nil {
path = fileSystemConfig.NFS.Path
}
return fmt.Sprintf("The %s directory was previously configured by a different minio instance.\nProceeding will re-configure it to be used only by the minio instance we deploy to configure the file system, and any other minio instance using this location will no longer have access.\nIf you are attempting to fully restore a prior installation, such as a disaster recovery scenario, this action is expected.", path)
}
func GetCurrentFileSystemConfig(ctx context.Context, namespace string, isMinioDisabled bool) (*types.FileSystemConfig, error) {
var fileSystemConfig *types.FileSystemConfig
if !isMinioDisabled {
fileSystemConfig, err := GetCurrentMinioFileSystemConfig(ctx, namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to get current minio file system config")
}
if fileSystemConfig != nil {
return fileSystemConfig, nil
}
return nil, nil
}
fileSystemConfig, err := GetCurrentLvpFileSystemConfig(ctx, namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to get current lvp file system config")
}
return fileSystemConfig, nil
}
func GetCurrentLvpFileSystemConfig(ctx context.Context, namespace string) (*types.FileSystemConfig, error) {
bsl, err := FindBackupStoreLocation(ctx, namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to find velero backup storage location")
}
if bsl == nil {
return nil, nil
}
var fileSystemConfig *types.FileSystemConfig
switch bsl.Spec.Provider {
case "replicated.com/hostpath":
fileSystemConfig = &types.FileSystemConfig{}
hostPath := bsl.Spec.Config["path"]
fileSystemConfig.HostPath = &hostPath
return fileSystemConfig, nil
case "replicated.com/nfs":
fileSystemConfig = &types.FileSystemConfig{
NFS: &types.NFSConfig{
Path: bsl.Spec.Config["path"],
Server: bsl.Spec.Config["server"],
},
}
return fileSystemConfig, nil
}
return nil, nil
}
func GetCurrentMinioFileSystemConfig(ctx context.Context, namespace string) (*types.FileSystemConfig, error) {
clientset, err := k8sutil.GetClientset()
if err != nil {
return nil, errors.Wrap(err, "failed to get k8s clientset")
}
fileSystemConfigMap, err := clientset.CoreV1().ConfigMaps(namespace).Get(ctx, FileSystemMinioConfigMapName, metav1.GetOptions{})
if err != nil {
if kuberneteserrors.IsNotFound(err) {
return nil, nil
}
return nil, errors.Wrap(err, "failed to get file system configmap")
}
if fileSystemConfigMap.Data == nil {
return &types.FileSystemConfig{}, nil
}
fileSystemConfig := types.FileSystemConfig{}
if hostPath, ok := fileSystemConfigMap.Data["HOSTPATH"]; ok {
fileSystemConfig.HostPath = &hostPath
} else if _, ok := fileSystemConfigMap.Data["NFS_PATH"]; ok {
fileSystemConfig.NFS = &types.NFSConfig{
Path: fileSystemConfigMap.Data["NFS_PATH"],
Server: fileSystemConfigMap.Data["NFS_SERVER"],
}
}
return &fileSystemConfig, nil
}
// RevertToMinioFS will apply the spec of the previous BSL to the current one and then update.
// Used for recovery during a failed migration from Minio to LVP.
func RevertToMinioFS(ctx context.Context, kotsadmNamespace, veleroNamespace string, previousBsl *velerov1api.BackupStorageLocation) error {
bsl, err := FindBackupStoreLocation(context.TODO(), kotsadmNamespace)
if err != nil {
return errors.Wrap(err, "failed to find backupstoragelocations")
}
bsl.Spec = previousBsl.Spec
err = UpdateBackupStorageLocation(ctx, veleroNamespace, bsl)
if err != nil {
return errors.Wrap(err, "failed to revert to minio backup storage location")
}
return nil
}
// DeleteFileSystemMinio cleans up the minio resources for hostpath and nfs snapshot deployments.
// The secret is not deleted, just in case.
func DeleteFileSystemMinio(ctx context.Context, kotsadmNamespace string) error {
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get kubernetes clientset")
}
if err := clientset.CoreV1().ConfigMaps(kotsadmNamespace).Delete(ctx, FileSystemMinioConfigMapName, metav1.DeleteOptions{}); err != nil {
return errors.Wrap(err, "failed to delete fs minio config map")
}
if err := clientset.AppsV1().Deployments(kotsadmNamespace).Delete(ctx, FileSystemMinioDeploymentName, metav1.DeleteOptions{}); err != nil {