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snapshot_logs.go
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/
snapshot_logs.go
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package handlers
import (
"io"
"net/http"
"github.com/gorilla/mux"
"github.com/pkg/errors"
"github.com/replicatedhq/kots/pkg/k8sutil"
snapshot "github.com/replicatedhq/kots/pkg/kotsadmsnapshot"
"github.com/replicatedhq/kots/pkg/logger"
kotssnapshot "github.com/replicatedhq/kots/pkg/snapshot"
"github.com/replicatedhq/kots/pkg/util"
velerov1 "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
veleroclientv1 "github.com/vmware-tanzu/velero/pkg/generated/clientset/versioned/typed/velero/v1"
"k8s.io/client-go/kubernetes"
)
func (h *Handler) DownloadSnapshotLogs(w http.ResponseWriter, r *http.Request) {
backupName := mux.Vars(r)["backup"]
cfg, err := k8sutil.GetClusterConfig()
if err != nil {
err = errors.Wrap(err, "failed to get cluster config")
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
clientset, err := kubernetes.NewForConfig(cfg)
if err != nil {
err = errors.Wrap(err, "failed to create clientset")
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
veleroClient, err := veleroclientv1.NewForConfig(cfg)
if err != nil {
err = errors.Wrap(err, "failed to create velero clientset")
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
bsl, err := kotssnapshot.FindBackupStoreLocation(r.Context(), clientset, veleroClient, util.PodNamespace)
if err != nil {
err = errors.Wrap(err, "failed to find backup store location")
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
if bsl == nil {
err = errors.New("no backup store location found")
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
veleroNamespace := bsl.Namespace
gzipReader, err := snapshot.DownloadRequest(r.Context(), veleroNamespace, velerov1.DownloadTargetKindBackupLog, backupName)
if err != nil {
err = errors.Wrap(err, "failed to download backup log")
logger.Error(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
defer gzipReader.Close()
w.Header().Set("Content-Disposition", "attachment; filename=snapshot.log")
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(http.StatusOK)
_, err = io.Copy(w, gzipReader)
if err != nil {
logger.Error(err)
return
}
}