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snapshots.go
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snapshots.go
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package handlers
import (
"context"
"encoding/json"
"fmt"
"net/http"
"regexp"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
"github.com/pkg/errors"
"github.com/replicatedhq/kots/pkg/handlers/types"
"github.com/replicatedhq/kots/pkg/k8sutil"
"github.com/replicatedhq/kots/pkg/kotsadm"
kotsadmtypes "github.com/replicatedhq/kots/pkg/kotsadm/types"
snapshot "github.com/replicatedhq/kots/pkg/kotsadmsnapshot"
snapshottypes "github.com/replicatedhq/kots/pkg/kotsadmsnapshot/types"
"github.com/replicatedhq/kots/pkg/kurl"
"github.com/replicatedhq/kots/pkg/logger"
"github.com/replicatedhq/kots/pkg/print"
kotssnapshot "github.com/replicatedhq/kots/pkg/snapshot"
kotssnapshottypes "github.com/replicatedhq/kots/pkg/snapshot/types"
"github.com/replicatedhq/kots/pkg/store"
"github.com/replicatedhq/kots/pkg/util"
"github.com/robfig/cron"
"k8s.io/apimachinery/pkg/util/rand"
"k8s.io/client-go/kubernetes"
)
const (
urlPattern = `\b(https?):\/\/[\-A-Za-z0-9+&@#\/%?=~_|!:,.;]*[\-A-Za-z0-9+&@#\/%=~_|]`
)
type GlobalSnapshotSettingsResponse struct {
VeleroVersion string `json:"veleroVersion"`
VeleroPlugins []string `json:"veleroPlugins"`
VeleroNamespace string `json:"veleroNamespace"`
IsVeleroRunning bool `json:"isVeleroRunning"`
IsMinioDisabled bool `json:"isMinioDisabled"`
VeleroPod string `json:"veleroPod"`
NodeAgentVersion string `json:"nodeAgentVersion"`
IsNodeAgentRunning bool `json:"isNodeAgentRunning"`
NodeAgentPods []string `json:"nodeAgentPods"`
KotsadmNamespace string `json:"kotsadmNamespace"`
IsKurl bool `json:"isKurl"`
IsMinimalRBACEnabled bool `json:"isMinimalRBACEnabled"`
Store *kotssnapshottypes.Store `json:"store,omitempty"`
FileSystemConfig *kotssnapshottypes.FileSystemConfig `json:"fileSystemConfig,omitempty"`
Success bool `json:"success"`
Error string `json:"error,omitempty"`
}
type UpdateGlobalSnapshotSettingsRequest struct {
Provider string `json:"provider"`
Bucket string `json:"bucket"`
Path string `json:"path"`
AWS *kotssnapshottypes.StoreAWS `json:"aws"`
Google *kotssnapshottypes.StoreGoogle `json:"gcp"`
Azure *kotssnapshottypes.StoreAzure `json:"azure"`
Other *kotssnapshottypes.StoreOther `json:"other"`
Internal bool `json:"internal"`
FileSystem *FileSystemOptions `json:"fileSystem"`
CACertData []byte `json:"caCertData"`
}
type GetFileSystemSnapshotProviderInstructionsResponse struct {
Success bool `json:"success"`
Error string `json:"error,omitempty"`
Instructions []print.VeleroInstallationInstruction `json:"instructions,omitempty"`
}
type GetFileSystemSnapshotProviderInstructionsRequest struct {
FileSystemOptions FileSystemOptions `json:"fileSystemOptions"`
}
type FileSystemOptions struct {
kotssnapshottypes.FileSystemConfig `json:",inline"`
ForceReset bool `json:"forceReset,omitempty"`
}
type SnapshotConfig struct {
AutoEnabled bool `json:"autoEnabled"`
AutoSchedule *snapshottypes.SnapshotSchedule `json:"autoSchedule"`
TTl *snapshottypes.SnapshotTTL `json:"ttl"`
}
type VeleroStatus struct {
IsVeleroInstalled bool `json:"isVeleroInstalled"`
}
func (h *Handler) UpdateGlobalSnapshotSettings(w http.ResponseWriter, r *http.Request) {
globalSnapshotSettingsResponse := GlobalSnapshotSettingsResponse{
Success: false,
}
// check minimal rbac
if err := requiresKotsadmVeleroAccess(w, r); err != nil {
return
}
updateGlobalSnapshotSettingsRequest := UpdateGlobalSnapshotSettingsRequest{}
if err := json.NewDecoder(r.Body).Decode(&updateGlobalSnapshotSettingsRequest); err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to decode request body"
JSON(w, http.StatusBadRequest, globalSnapshotSettingsResponse)
return
}
// Validate Endpoint - velero is picky
if updateGlobalSnapshotSettingsRequest.Other != nil {
urlRe := regexp.MustCompile(urlPattern)
if !urlRe.Match([]byte(updateGlobalSnapshotSettingsRequest.Other.Endpoint)) {
globalSnapshotSettingsResponse.Error = "invalid endpoint for S3 compatible storage"
JSON(w, http.StatusUnprocessableEntity, globalSnapshotSettingsResponse)
return
}
}
kotsadmNamespace := util.PodNamespace
isMinioDisabled, err := kotssnapshot.IsFileSystemMinioDisabled(kotsadmNamespace)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to check if file system minio is disabled"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
veleroStatus, err := kotssnapshot.DetectVelero(r.Context(), kotsadmNamespace)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to detect velero"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
if veleroStatus == nil {
JSON(w, http.StatusOK, globalSnapshotSettingsResponse)
return
}
clientset, err := k8sutil.GetClientset()
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to create k8s clientset"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
isKurl, err := kurl.IsKurl(clientset)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to check if cluster is kurl"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
globalSnapshotSettingsResponse.VeleroVersion = veleroStatus.Version
globalSnapshotSettingsResponse.VeleroPlugins = veleroStatus.Plugins
globalSnapshotSettingsResponse.VeleroNamespace = veleroStatus.Namespace
globalSnapshotSettingsResponse.VeleroPod = veleroStatus.VeleroPod
globalSnapshotSettingsResponse.IsVeleroRunning = veleroStatus.Status == "Ready"
globalSnapshotSettingsResponse.NodeAgentVersion = veleroStatus.NodeAgentVersion
globalSnapshotSettingsResponse.IsNodeAgentRunning = veleroStatus.NodeAgentStatus == "Ready"
globalSnapshotSettingsResponse.NodeAgentPods = veleroStatus.NodeAgentPods
globalSnapshotSettingsResponse.KotsadmNamespace = kotsadmNamespace
globalSnapshotSettingsResponse.IsKurl = isKurl
globalSnapshotSettingsResponse.IsMinimalRBACEnabled = !k8sutil.IsKotsadmClusterScoped(r.Context(), clientset, kotsadmNamespace)
globalSnapshotSettingsResponse.IsMinioDisabled = isMinioDisabled
registryConfig, err := kotsadm.GetRegistryConfigFromCluster(kotsadmNamespace, clientset)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to get kotsadm options from cluster"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
if updateGlobalSnapshotSettingsRequest.FileSystem != nil {
if !globalSnapshotSettingsResponse.IsMinioDisabled {
// make sure the file system provider is configured and deployed first
if err := configureMinioFileSystemProvider(r.Context(), clientset, kotsadmNamespace, registryConfig, *updateGlobalSnapshotSettingsRequest.FileSystem); err != nil {
if _, ok := errors.Cause(err).(*kotssnapshot.ResetFileSystemError); ok {
globalSnapshotSettingsResponse.Error = err.Error()
JSON(w, http.StatusConflict, globalSnapshotSettingsResponse)
return
}
if _, ok := errors.Cause(err).(*kotssnapshot.HostPathNotFoundError); ok {
globalSnapshotSettingsResponse.Error = err.Error()
JSON(w, http.StatusBadRequest, globalSnapshotSettingsResponse)
return
}
if err, ok := errors.Cause(err).(util.ActionableError); ok {
globalSnapshotSettingsResponse.Error = err.Error()
JSON(w, http.StatusBadRequest, globalSnapshotSettingsResponse)
return
}
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to configure file system provider"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
} else {
if err := configureLvpFileSystemProvider(r.Context(), clientset, kotsadmNamespace, registryConfig, *updateGlobalSnapshotSettingsRequest.FileSystem); err != nil {
globalSnapshotSettingsResponse.Error = err.Error()
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
}
}
var filesystem *kotssnapshottypes.FileSystemConfig
if updateGlobalSnapshotSettingsRequest.FileSystem != nil {
filesystem = &updateGlobalSnapshotSettingsRequest.FileSystem.FileSystemConfig
}
// update/configure store
options := kotssnapshot.ConfigureStoreOptions{
Provider: updateGlobalSnapshotSettingsRequest.Provider,
Bucket: updateGlobalSnapshotSettingsRequest.Bucket,
Path: updateGlobalSnapshotSettingsRequest.Path,
AWS: updateGlobalSnapshotSettingsRequest.AWS,
Google: updateGlobalSnapshotSettingsRequest.Google,
Azure: updateGlobalSnapshotSettingsRequest.Azure,
Other: updateGlobalSnapshotSettingsRequest.Other,
Internal: updateGlobalSnapshotSettingsRequest.Internal,
FileSystem: filesystem,
KotsadmNamespace: kotsadmNamespace,
RegistryConfig: ®istryConfig,
IsMinioDisabled: globalSnapshotSettingsResponse.IsMinioDisabled,
CACertData: updateGlobalSnapshotSettingsRequest.CACertData,
}
updatedStore, err := kotssnapshot.ConfigureStore(r.Context(), options)
if err != nil {
if _, ok := errors.Cause(err).(*kotssnapshot.InvalidStoreDataError); ok {
logger.Error(err)
globalSnapshotSettingsResponse.Error = fmt.Sprintf("invalid store data: %s", err)
JSON(w, http.StatusBadRequest, globalSnapshotSettingsResponse)
return
}
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to configure store"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
if updatedStore.FileSystem != nil {
fileSystemConfig, err := kotssnapshot.GetCurrentFileSystemConfig(r.Context(), kotsadmNamespace, globalSnapshotSettingsResponse.IsMinioDisabled)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to get file system config"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
globalSnapshotSettingsResponse.FileSystemConfig = fileSystemConfig
}
globalSnapshotSettingsResponse.Store = updatedStore
globalSnapshotSettingsResponse.Success = true
JSON(w, http.StatusOK, globalSnapshotSettingsResponse)
}
func (h *Handler) GetGlobalSnapshotSettings(w http.ResponseWriter, r *http.Request) {
globalSnapshotSettingsResponse := GlobalSnapshotSettingsResponse{
Success: false,
}
// check minimal rbac
if err := requiresKotsadmVeleroAccess(w, r); err != nil {
return
}
kotsadmNamespace := util.PodNamespace
isMinioDisabled, err := kotssnapshot.IsFileSystemMinioDisabled(kotsadmNamespace)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to check if file system minio is disabled"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
veleroStatus, err := kotssnapshot.DetectVelero(r.Context(), kotsadmNamespace)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to detect velero"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
if veleroStatus == nil {
JSON(w, http.StatusOK, globalSnapshotSettingsResponse)
return
}
clientset, err := k8sutil.GetClientset()
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to create k8s clientset"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
isKurl, err := kurl.IsKurl(clientset)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to check if cluster is kurl"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
globalSnapshotSettingsResponse.VeleroVersion = veleroStatus.Version
globalSnapshotSettingsResponse.VeleroPlugins = veleroStatus.Plugins
globalSnapshotSettingsResponse.VeleroNamespace = veleroStatus.Namespace
globalSnapshotSettingsResponse.VeleroPod = veleroStatus.VeleroPod
globalSnapshotSettingsResponse.IsVeleroRunning = veleroStatus.Status == "Ready"
globalSnapshotSettingsResponse.NodeAgentVersion = veleroStatus.NodeAgentVersion
globalSnapshotSettingsResponse.IsNodeAgentRunning = veleroStatus.NodeAgentStatus == "Ready"
globalSnapshotSettingsResponse.NodeAgentPods = veleroStatus.NodeAgentPods
globalSnapshotSettingsResponse.KotsadmNamespace = kotsadmNamespace
globalSnapshotSettingsResponse.IsKurl = isKurl
globalSnapshotSettingsResponse.IsMinimalRBACEnabled = !k8sutil.IsKotsadmClusterScoped(r.Context(), clientset, kotsadmNamespace)
globalSnapshotSettingsResponse.IsMinioDisabled = isMinioDisabled
store, err := kotssnapshot.GetGlobalStore(r.Context(), kotsadmNamespace, nil)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to get store"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
if store != nil {
if err := kotssnapshot.Redact(store); err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to redact"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
if store.FileSystem != nil {
fileSystemConfig, err := kotssnapshot.GetCurrentFileSystemConfig(r.Context(), kotsadmNamespace, globalSnapshotSettingsResponse.IsMinioDisabled)
if err != nil {
logger.Error(err)
globalSnapshotSettingsResponse.Error = "failed to get file system config"
JSON(w, http.StatusInternalServerError, globalSnapshotSettingsResponse)
return
}
globalSnapshotSettingsResponse.FileSystemConfig = fileSystemConfig
}
}
globalSnapshotSettingsResponse.Store = store
globalSnapshotSettingsResponse.Success = true
JSON(w, http.StatusOK, globalSnapshotSettingsResponse)
}
func (h *Handler) GetFileSystemSnapshotProviderInstructions(w http.ResponseWriter, r *http.Request) {
response := GetFileSystemSnapshotProviderInstructionsResponse{
Success: false,
}
request := GetFileSystemSnapshotProviderInstructionsRequest{}
if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
errMsg := "failed to decode request body"
logger.Error(errors.Wrap(err, errMsg))
response.Error = errMsg
JSON(w, http.StatusBadRequest, response)
return
}
clientset, err := k8sutil.GetClientset()
if err != nil {
errMsg := "failed to get k8s client set"
response.Error = errMsg
logger.Error(errors.Wrap(err, errMsg))
w.WriteHeader(http.StatusInternalServerError)
return
}
kotsadmNamespace := util.PodNamespace
registryConfig, err := kotsadm.GetRegistryConfigFromCluster(kotsadmNamespace, clientset)
if err != nil {
errMsg := "failed to get kotsadm options from cluster"
response.Error = errMsg
logger.Error(errors.Wrap(err, errMsg))
w.WriteHeader(http.StatusInternalServerError)
return
}
configureCommand := ""
if request.FileSystemOptions.HostPath != nil {
configureCommand = fmt.Sprintf(`kubectl kots velero configure-hostpath --hostpath %s`, *request.FileSystemOptions.HostPath)
} else if request.FileSystemOptions.NFS != nil {
configureCommand = fmt.Sprintf(`kubectl kots velero configure-nfs --nfs-server %s --nfs-path %s`, request.FileSystemOptions.NFS.Server, request.FileSystemOptions.NFS.Path)
}
configureCommand += fmt.Sprintf(` --namespace %s`, kotsadmNamespace)
if request.FileSystemOptions.ForceReset {
configureCommand += " --force-reset"
}
if registryConfig.OverrideRegistry != "" {
configureCommand += fmt.Sprintf(` --kotsadm-registry %s`, registryConfig.OverrideRegistry)
if registryConfig.OverrideNamespace != "" {
configureCommand += fmt.Sprintf(` --kotsadm-namespace %s`, registryConfig.OverrideNamespace)
}
if registryConfig.Username != "" {
configureCommand += fmt.Sprintf(` --registry-username %s`, registryConfig.Username)
}
if registryConfig.Password != "" {
configureCommand += fmt.Sprintf(` --registry-password %s`, registryConfig.Password)
}
}
isMinioDisabled, err := kotssnapshot.IsFileSystemMinioDisabled(kotsadmNamespace)
if err != nil {
logger.Error(err)
response.Error = "failed to check if file system minio is disabled"
JSON(w, http.StatusInternalServerError, response)
return
}
var plugin kotssnapshottypes.VeleroPlugin
if isMinioDisabled {
plugin = kotssnapshottypes.VeleroLVPPlugin
} else {
plugin = kotssnapshottypes.VeleroAWSPlugin
}
response.Success = true
response.Instructions = print.VeleroInstallationInstructionsForUI(plugin, ®istryConfig, configureCommand)
JSON(w, http.StatusOK, response)
}
func configureLvpFileSystemProvider(ctx context.Context, clientset kubernetes.Interface, namespace string, registryConfig kotsadmtypes.RegistryConfig, fileSystemOptions FileSystemOptions) error {
deployOptions := kotssnapshot.FileSystemDeployOptions{
Namespace: namespace,
IsOpenShift: k8sutil.IsOpenShift(clientset),
ForceReset: fileSystemOptions.ForceReset,
FileSystemConfig: fileSystemOptions.FileSystemConfig,
}
if err := kotssnapshot.DeployFileSystemLvp(ctx, clientset, deployOptions, registryConfig); err != nil {
return err
}
return nil
}
func configureMinioFileSystemProvider(ctx context.Context, clientset kubernetes.Interface, namespace string, registryConfig kotsadmtypes.RegistryConfig, fileSystemOptions FileSystemOptions) error {
deployOptions := kotssnapshot.FileSystemDeployOptions{
Namespace: namespace,
IsOpenShift: k8sutil.IsOpenShift(clientset),
ForceReset: fileSystemOptions.ForceReset,
FileSystemConfig: fileSystemOptions.FileSystemConfig,
}
if err := kotssnapshot.DeployFileSystemMinio(ctx, clientset, deployOptions, registryConfig); err != nil {
return errors.Wrap(err, "failed to deploy file system minio")
}
err := k8sutil.WaitForDeploymentReady(ctx, clientset, namespace, kotssnapshot.FileSystemMinioDeploymentName, time.Minute*3)
if err != nil {
return errors.Wrap(err, "failed to wait for file system minio")
}
err = kotssnapshot.CreateFileSystemMinioBucket(ctx, clientset, namespace, registryConfig)
if err != nil {
return errors.Wrap(err, "failed to create default bucket")
}
return nil
}
func (h *Handler) GetSnapshotConfig(w http.ResponseWriter, r *http.Request) {
appSlug := mux.Vars(r)["appSlug"]
foundApp, err := store.GetStore().GetAppFromSlug(appSlug)
if err != nil {
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
ttl := &snapshottypes.SnapshotTTL{}
if foundApp.SnapshotTTL != "" {
parsedTTL, err := snapshot.ParseTTL(foundApp.SnapshotTTL)
if err != nil {
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
ttl.InputValue = strconv.FormatInt(parsedTTL.Quantity, 10)
ttl.InputTimeUnit = parsedTTL.Unit
ttl.Converted = foundApp.SnapshotTTL
} else {
ttl.InputValue = "1"
ttl.InputTimeUnit = "month"
ttl.Converted = "720h"
}
snapshotSchedule := &snapshottypes.SnapshotSchedule{}
if foundApp.SnapshotSchedule != "" {
snapshotSchedule.Schedule = foundApp.SnapshotSchedule
} else {
snapshotSchedule.Schedule = "0 0 * * MON"
}
getSnapshotConfigResponse := SnapshotConfig{}
getSnapshotConfigResponse.AutoEnabled = foundApp.SnapshotSchedule != ""
getSnapshotConfigResponse.AutoSchedule = snapshotSchedule
getSnapshotConfigResponse.TTl = ttl
JSON(w, http.StatusOK, getSnapshotConfigResponse)
}
func (h *Handler) GetVeleroStatus(w http.ResponseWriter, r *http.Request) {
getVeleroStatusResponse := VeleroStatus{}
detectVelero, err := kotssnapshot.DetectVelero(r.Context(), util.PodNamespace)
if err != nil {
logger.Error(err)
getVeleroStatusResponse.IsVeleroInstalled = false
JSON(w, http.StatusInternalServerError, getVeleroStatusResponse)
return
}
if detectVelero == nil {
getVeleroStatusResponse.IsVeleroInstalled = false
JSON(w, http.StatusOK, getVeleroStatusResponse)
return
}
getVeleroStatusResponse.IsVeleroInstalled = true
JSON(w, http.StatusOK, getVeleroStatusResponse)
}
type SaveSnapshotConfigRequest struct {
AppID string `json:"appId"`
InputValue string `json:"inputValue"`
InputTimeUnit string `json:"inputTimeUnit"`
Schedule string `json:"schedule"`
AutoEnabled bool `json:"autoEnabled"`
}
type SaveSnapshotConfigResponse struct {
Success bool `json:"success"`
Error string `json:"error,omitempty"`
}
func (h *Handler) SaveSnapshotConfig(w http.ResponseWriter, r *http.Request) {
responseBody := SaveSnapshotConfigResponse{}
// check minimal rbac
if err := requiresKotsadmVeleroAccess(w, r); err != nil {
return
}
requestBody := SaveSnapshotConfigRequest{}
if err := json.NewDecoder(r.Body).Decode(&requestBody); err != nil {
logger.Error(err)
responseBody.Error = "failed to decode request body"
JSON(w, http.StatusBadRequest, responseBody)
return
}
app, err := store.GetStore().GetApp(requestBody.AppID)
if err != nil {
logger.Error(err)
responseBody.Error = "Failed to get app"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
retention, err := snapshot.FormatTTL(requestBody.InputValue, requestBody.InputTimeUnit)
if err != nil {
logger.Error(err)
responseBody.Error = fmt.Sprintf("Invalid snapshot retention: %s %s", requestBody.InputValue, requestBody.InputTimeUnit)
JSON(w, http.StatusBadRequest, responseBody)
return
}
if app.SnapshotTTL != retention {
app.SnapshotTTL = retention
if err := store.GetStore().SetSnapshotTTL(app.ID, retention); err != nil {
logger.Error(err)
responseBody.Error = "Failed to set snapshot retention"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
}
if !requestBody.AutoEnabled {
if err := store.GetStore().SetSnapshotSchedule(app.ID, ""); err != nil {
logger.Error(err)
responseBody.Error = "Failed to clear snapshot schedule"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
if err := store.GetStore().DeletePendingScheduledSnapshots(app.ID); err != nil {
logger.Error(err)
responseBody.Error = "Failed to delete scheduled snapshots"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
responseBody.Success = true
JSON(w, http.StatusOK, responseBody)
return
}
cronSchedule, err := cron.NewParser(cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow | cron.Descriptor).Parse(requestBody.Schedule)
if err != nil {
logger.Error(err)
responseBody.Error = fmt.Sprintf("Invalid cron schedule expression: %s", requestBody.Schedule)
JSON(w, http.StatusBadRequest, responseBody)
return
}
if requestBody.Schedule != app.SnapshotSchedule {
if err := store.GetStore().DeletePendingScheduledSnapshots(app.ID); err != nil {
logger.Error(err)
responseBody.Error = "Failed to delete scheduled snapshots"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
if err := store.GetStore().SetSnapshotSchedule(app.ID, requestBody.Schedule); err != nil {
logger.Error(err)
responseBody.Error = "Failed to save snapshot schedule"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
queued := cronSchedule.Next(time.Now())
id := strings.ToLower(rand.String(32))
if err := store.GetStore().CreateScheduledSnapshot(id, app.ID, queued); err != nil {
logger.Error(err)
responseBody.Error = "Failed to create first scheduled snapshot"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
}
responseBody.Success = true
JSON(w, http.StatusOK, responseBody)
}
type InstanceSnapshotConfig struct {
AutoEnabled bool `json:"autoEnabled"`
AutoSchedule *snapshottypes.SnapshotSchedule `json:"autoSchedule"`
TTl *snapshottypes.SnapshotTTL `json:"ttl"`
}
func (h *Handler) GetInstanceSnapshotConfig(w http.ResponseWriter, r *http.Request) {
clusters, err := store.GetStore().ListClusters()
if err != nil {
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
if len(clusters) == 0 {
logger.Error(errors.New("No clusters found"))
w.WriteHeader(http.StatusInternalServerError)
return
}
c := clusters[0]
ttl := &snapshottypes.SnapshotTTL{}
if c.SnapshotTTL != "" {
parsedTTL, err := snapshot.ParseTTL(c.SnapshotTTL)
if err != nil {
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
ttl.InputValue = strconv.FormatInt(parsedTTL.Quantity, 10)
ttl.InputTimeUnit = parsedTTL.Unit
ttl.Converted = c.SnapshotTTL
} else {
ttl.InputValue = "1"
ttl.InputTimeUnit = "month"
ttl.Converted = "720h"
}
snapshotSchedule := &snapshottypes.SnapshotSchedule{}
if c.SnapshotSchedule != "" {
snapshotSchedule.Schedule = c.SnapshotSchedule
} else {
snapshotSchedule.Schedule = "0 0 * * MON"
}
getInstanceSnapshotConfigResponse := InstanceSnapshotConfig{}
getInstanceSnapshotConfigResponse.AutoEnabled = c.SnapshotSchedule != ""
getInstanceSnapshotConfigResponse.AutoSchedule = snapshotSchedule
getInstanceSnapshotConfigResponse.TTl = ttl
JSON(w, http.StatusOK, getInstanceSnapshotConfigResponse)
}
type SaveInstanceSnapshotConfigRequest struct {
InputValue string `json:"inputValue"`
InputTimeUnit string `json:"inputTimeUnit"`
Schedule string `json:"schedule"`
AutoEnabled bool `json:"autoEnabled"`
}
type SaveInstanceSnapshotConfigResponse struct {
Success bool `json:"success"`
Error string `json:"error,omitempty"`
}
func (h *Handler) SaveInstanceSnapshotConfig(w http.ResponseWriter, r *http.Request) {
responseBody := SaveInstanceSnapshotConfigResponse{}
// check minimal rbac
if err := requiresKotsadmVeleroAccess(w, r); err != nil {
return
}
requestBody := SaveInstanceSnapshotConfigRequest{}
if err := json.NewDecoder(r.Body).Decode(&requestBody); err != nil {
logger.Error(err)
responseBody.Error = "failed to decode request body"
JSON(w, http.StatusBadRequest, responseBody)
return
}
clusters, err := store.GetStore().ListClusters()
if err != nil {
logger.Error(err)
responseBody.Error = "Failed to list clusters"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
if len(clusters) == 0 {
err := errors.New("No clusters found")
logger.Error(err)
responseBody.Error = err.Error()
JSON(w, http.StatusInternalServerError, responseBody)
return
}
c := clusters[0]
retention, err := snapshot.FormatTTL(requestBody.InputValue, requestBody.InputTimeUnit)
if err != nil {
logger.Error(err)
responseBody.Error = fmt.Sprintf("Invalid instance snapshot retention: %s %s", requestBody.InputValue, requestBody.InputTimeUnit)
JSON(w, http.StatusBadRequest, responseBody)
return
}
if c.SnapshotTTL != retention {
c.SnapshotTTL = retention
if err := store.GetStore().SetInstanceSnapshotTTL(c.ClusterID, retention); err != nil {
logger.Error(err)
responseBody.Error = "Failed to set instance snapshot retention"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
}
if !requestBody.AutoEnabled {
if err := store.GetStore().SetInstanceSnapshotSchedule(c.ClusterID, ""); err != nil {
logger.Error(err)
responseBody.Error = "Failed to clear instance snapshot schedule"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
if err := store.GetStore().DeletePendingScheduledInstanceSnapshots(c.ClusterID); err != nil {
logger.Error(err)
responseBody.Error = "Failed to delete pending scheduled instance snapshots"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
responseBody.Success = true
JSON(w, http.StatusOK, responseBody)
return
}
cronSchedule, err := cron.ParseStandard(requestBody.Schedule)
if err != nil {
logger.Error(err)
responseBody.Error = fmt.Sprintf("Invalid cron schedule expression: %s", requestBody.Schedule)
JSON(w, http.StatusBadRequest, responseBody)
return
}
if requestBody.Schedule != c.SnapshotSchedule {
if err := store.GetStore().DeletePendingScheduledInstanceSnapshots(c.ClusterID); err != nil {
logger.Error(err)
responseBody.Error = "Failed to delete scheduled snapshots"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
if err := store.GetStore().SetInstanceSnapshotSchedule(c.ClusterID, requestBody.Schedule); err != nil {
logger.Error(err)
responseBody.Error = "Failed to save instance snapshot schedule"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
queued := cronSchedule.Next(time.Now())
id := strings.ToLower(rand.String(32))
if err := store.GetStore().CreateScheduledInstanceSnapshot(id, c.ClusterID, queued); err != nil {
logger.Error(err)
responseBody.Error = "Failed to create first scheduled instance snapshot"
JSON(w, http.StatusInternalServerError, responseBody)
return
}
}
responseBody.Success = true
JSON(w, http.StatusOK, responseBody)
}
func requiresKotsadmVeleroAccess(w http.ResponseWriter, r *http.Request) error {
kotsadmNamespace := util.PodNamespace
requiresVeleroAccess, err := kotssnapshot.CheckKotsadmVeleroAccess(r.Context(), kotsadmNamespace)
if err != nil {
errMsg := "failed to check if kotsadm requires access to velero"
logger.Error(errors.Wrap(err, errMsg))
response := types.ErrorResponse{Error: util.StrPointer(errMsg)}
JSON(w, http.StatusInternalServerError, response)
return errors.New(errMsg)
}
if requiresVeleroAccess {
errMsg := "kotsadm does not have access to velero"
response := VeleroRBACResponse{
Success: false,
Error: errMsg,
KotsadmNamespace: kotsadmNamespace,
KotsadmRequiresVeleroAccess: true,
}
JSON(w, http.StatusConflict, response)
return errors.New(errMsg)
}
return nil
}