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minio/cmd/admin-handlers-users.go

718 lines
20 KiB

/*
* MinIO Cloud Storage, (C) 2019-2020 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"context"
"encoding/json"
"io"
"io/ioutil"
"net/http"
"github.com/gorilla/mux"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/auth"
iampolicy "github.com/minio/minio/pkg/iam/policy"
"github.com/minio/minio/pkg/madmin"
)
func validateAdminUsersReq(ctx context.Context, w http.ResponseWriter, r *http.Request, action iampolicy.AdminAction) (ObjectLayer, auth.Credentials) {
var cred auth.Credentials
var adminAPIErr APIErrorCode
// Get current object layer instance.
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || globalNotificationSys == nil || globalIAMSys == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return nil, cred
}
// Validate request signature.
cred, adminAPIErr = checkAdminRequestAuthType(ctx, r, action, "")
if adminAPIErr != ErrNone {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(adminAPIErr), r.URL)
return nil, cred
}
return objectAPI, cred
}
// RemoveUser - DELETE /minio/admin/v3/remove-user?accessKey=<access_key>
func (a adminAPIHandlers) RemoveUser(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "RemoveUser")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.DeleteUserAdminAction)
if objectAPI == nil {
return
}
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
return
}
vars := mux.Vars(r)
accessKey := vars["accessKey"]
ok, err := globalIAMSys.IsTempUser(accessKey)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
if ok {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errIAMActionNotAllowed), r.URL)
return
}
if err := globalIAMSys.DeleteUser(accessKey); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other MinIO peers to delete user.
for _, nerr := range globalNotificationSys.DeleteUser(accessKey) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}
// ListUsers - GET /minio/admin/v3/list-users
func (a adminAPIHandlers) ListUsers(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "ListUsers")
objectAPI, cred := validateAdminUsersReq(ctx, w, r, iampolicy.ListUsersAdminAction)
if objectAPI == nil {
return
}
password := cred.SecretKey
allCredentials, err := globalIAMSys.ListUsers()
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
data, err := json.Marshal(allCredentials)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
econfigData, err := madmin.EncryptData(password, data)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeSuccessResponseJSON(w, econfigData)
}
// GetUserInfo - GET /minio/admin/v3/user-info
func (a adminAPIHandlers) GetUserInfo(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "GetUserInfo")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetUserAdminAction)
if objectAPI == nil {
return
}
vars := mux.Vars(r)
name := vars["accessKey"]
userInfo, err := globalIAMSys.GetUserInfo(name)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
data, err := json.Marshal(userInfo)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeSuccessResponseJSON(w, data)
}
// UpdateGroupMembers - PUT /minio/admin/v3/update-group-members
func (a adminAPIHandlers) UpdateGroupMembers(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "UpdateGroupMembers")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.AddUserToGroupAdminAction)
if objectAPI == nil {
return
}
defer r.Body.Close()
data, err := ioutil.ReadAll(r.Body)
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
return
}
var updReq madmin.GroupAddRemove
err = json.Unmarshal(data, &updReq)
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
return
}
if updReq.IsRemove {
err = globalIAMSys.RemoveUsersFromGroup(updReq.Group, updReq.Members)
} else {
err = globalIAMSys.AddUsersToGroup(updReq.Group, updReq.Members)
}
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other MinIO peers to load group.
for _, nerr := range globalNotificationSys.LoadGroup(updReq.Group) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}
// GetGroup - /minio/admin/v3/group?group=mygroup1
func (a adminAPIHandlers) GetGroup(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "GetGroup")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetGroupAdminAction)
if objectAPI == nil {
return
}
vars := mux.Vars(r)
group := vars["group"]
gdesc, err := globalIAMSys.GetGroupDescription(group)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
body, err := json.Marshal(gdesc)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeSuccessResponseJSON(w, body)
}
// ListGroups - GET /minio/admin/v3/groups
func (a adminAPIHandlers) ListGroups(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "ListGroups")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.ListGroupsAdminAction)
if objectAPI == nil {
return
}
groups, err := globalIAMSys.ListGroups()
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
body, err := json.Marshal(groups)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeSuccessResponseJSON(w, body)
}
// SetGroupStatus - PUT /minio/admin/v3/set-group-status?group=mygroup1&status=enabled
func (a adminAPIHandlers) SetGroupStatus(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "SetGroupStatus")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.EnableGroupAdminAction)
if objectAPI == nil {
return
}
vars := mux.Vars(r)
group := vars["group"]
status := vars["status"]
var err error
if status == statusEnabled {
err = globalIAMSys.SetGroupStatus(group, true)
} else if status == statusDisabled {
err = globalIAMSys.SetGroupStatus(group, false)
} else {
err = errInvalidArgument
}
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other MinIO peers to reload user.
for _, nerr := range globalNotificationSys.LoadGroup(group) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}
// SetUserStatus - PUT /minio/admin/v3/set-user-status?accessKey=<access_key>&status=[enabled|disabled]
func (a adminAPIHandlers) SetUserStatus(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "SetUserStatus")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.EnableUserAdminAction)
if objectAPI == nil {
return
}
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
return
}
vars := mux.Vars(r)
accessKey := vars["accessKey"]
status := vars["status"]
// Custom IAM policies not allowed for admin user.
if accessKey == globalActiveCred.AccessKey {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
return
}
if err := globalIAMSys.SetUserStatus(accessKey, madmin.AccountStatus(status)); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other MinIO peers to reload user.
for _, nerr := range globalNotificationSys.LoadUser(accessKey, false) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}
// AddUser - PUT /minio/admin/v3/add-user?accessKey=<access_key>
func (a adminAPIHandlers) AddUser(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "AddUser")
objectAPI, cred := validateAdminUsersReq(ctx, w, r, iampolicy.CreateUserAdminAction)
if objectAPI == nil {
return
}
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
return
}
vars := mux.Vars(r)
accessKey := vars["accessKey"]
// Custom IAM policies not allowed for admin user.
if accessKey == globalActiveCred.AccessKey {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAddUserInvalidArgument), r.URL)
return
}
if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
// More than maxConfigSize bytes were available
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
return
}
password := cred.SecretKey
configBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
if err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
return
}
var uinfo madmin.UserInfo
if err = json.Unmarshal(configBytes, &uinfo); err != nil {
logger.LogIf(ctx, err)
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
return
}
if err = globalIAMSys.SetUser(accessKey, uinfo); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other Minio peers to reload user
for _, nerr := range globalNotificationSys.LoadUser(accessKey, false) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}
// AddServiceAccount - PUT /minio/admin/v3/add-service-account
func (a adminAPIHandlers) AddServiceAccount(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "AddServiceAccount")
// Get current object layer instance.
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || globalNotificationSys == nil || globalIAMSys == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
return
}
cred, _, owner, s3Err := validateAdminSignature(ctx, r, "")
if s3Err != ErrNone {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
return
}
password := cred.SecretKey
configBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
if err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
var createReq madmin.AddServiceAccountReq
if err = json.Unmarshal(configBytes, &createReq); err != nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
if createReq.Parent == "" {
apiErr := APIError{
Code: "XMinioAdminInvalidArgument",
Description: "Service account parent cannot be empty",
HTTPStatusCode: http.StatusBadRequest,
}
writeErrorResponseJSON(ctx, w, apiErr, r.URL)
return
}
// Disallow creating service accounts by root user as well.
if createReq.Parent == globalActiveCred.AccessKey {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAddServiceAccountInvalidArgument), r.URL)
return
}
// Disallow creating service accounts by users who are not the requested parent.
// this restriction is not required for Owner account i.e root user.
if createReq.Parent != cred.AccessKey && !owner {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAddServiceAccountInvalidParent), r.URL)
return
}
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
return
}
creds, err := globalIAMSys.NewServiceAccount(ctx, createReq.Parent, createReq.Policy)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other Minio peers to reload user
for _, nerr := range globalNotificationSys.LoadUser(creds.AccessKey, false) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
var createResp = madmin.AddServiceAccountResp{
Credentials: auth.Credentials{
AccessKey: creds.AccessKey,
SecretKey: creds.SecretKey,
},
}
data, err := json.Marshal(createResp)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
econfigData, err := madmin.EncryptData(password, data)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
writeSuccessResponseJSON(w, econfigData)
}
// InfoCannedPolicyV2 - GET /minio/admin/v2/info-canned-policy?name={policyName}
func (a adminAPIHandlers) InfoCannedPolicyV2(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "InfoCannedPolicyV2")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetPolicyAdminAction)
if objectAPI == nil {
return
}
policy, err := globalIAMSys.InfoPolicy(mux.Vars(r)["name"])
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
data, err := json.Marshal(policy)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
w.Write(data)
w.(http.Flusher).Flush()
}
// InfoCannedPolicy - GET /minio/admin/v3/info-canned-policy?name={policyName}
func (a adminAPIHandlers) InfoCannedPolicy(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "InfoCannedPolicy")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.GetPolicyAdminAction)
if objectAPI == nil {
return
}
policy, err := globalIAMSys.InfoPolicy(mux.Vars(r)["name"])
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
json.NewEncoder(w).Encode(policy)
w.(http.Flusher).Flush()
}
// ListCannedPoliciesV2 - GET /minio/admin/v2/list-canned-policies
func (a adminAPIHandlers) ListCannedPoliciesV2(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "ListCannedPoliciesV2")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.ListUserPoliciesAdminAction)
if objectAPI == nil {
return
}
policies, err := globalIAMSys.ListPolicies()
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
policyMap := make(map[string][]byte, len(policies))
for k, p := range policies {
var err error
policyMap[k], err = json.Marshal(p)
if err != nil {
logger.LogIf(ctx, err)
continue
}
}
if err = json.NewEncoder(w).Encode(policyMap); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
w.(http.Flusher).Flush()
}
// ListCannedPolicies - GET /minio/admin/v3/list-canned-policies
func (a adminAPIHandlers) ListCannedPolicies(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "ListCannedPolicies")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.ListUserPoliciesAdminAction)
if objectAPI == nil {
return
}
policies, err := globalIAMSys.ListPolicies()
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
var newPolicies = make(map[string]iampolicy.Policy)
for name, p := range policies {
_, err = json.Marshal(p)
if err != nil {
logger.LogIf(ctx, err)
continue
}
newPolicies[name] = p
}
if err = json.NewEncoder(w).Encode(newPolicies); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
w.(http.Flusher).Flush()
}
// RemoveCannedPolicy - DELETE /minio/admin/v3/remove-canned-policy?name=<policy_name>
func (a adminAPIHandlers) RemoveCannedPolicy(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "RemoveCannedPolicy")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.DeletePolicyAdminAction)
if objectAPI == nil {
return
}
vars := mux.Vars(r)
policyName := vars["name"]
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
return
}
if err := globalIAMSys.DeletePolicy(policyName); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other MinIO peers to delete policy
for _, nerr := range globalNotificationSys.DeletePolicy(policyName) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}
// AddCannedPolicy - PUT /minio/admin/v3/add-canned-policy?name=<policy_name>
func (a adminAPIHandlers) AddCannedPolicy(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "AddCannedPolicy")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.CreatePolicyAdminAction)
if objectAPI == nil {
return
}
vars := mux.Vars(r)
policyName := vars["name"]
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
return
}
// Error out if Content-Length is missing.
if r.ContentLength <= 0 {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMissingContentLength), r.URL)
return
}
// Error out if Content-Length is beyond allowed size.
if r.ContentLength > maxBucketPolicySize {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrEntityTooLarge), r.URL)
return
}
iamPolicy, err := iampolicy.ParseConfig(io.LimitReader(r.Body, r.ContentLength))
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Version in policy must not be empty
if iamPolicy.Version == "" {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMalformedPolicy), r.URL)
return
}
if err = globalIAMSys.SetPolicy(policyName, *iamPolicy); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other MinIO peers to reload policy
for _, nerr := range globalNotificationSys.LoadPolicy(policyName) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}
// SetPolicyForUserOrGroup - PUT /minio/admin/v3/set-policy?policy=xxx&user-or-group=?[&is-group]
func (a adminAPIHandlers) SetPolicyForUserOrGroup(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "SetPolicyForUserOrGroup")
objectAPI, _ := validateAdminUsersReq(ctx, w, r, iampolicy.AttachPolicyAdminAction)
if objectAPI == nil {
return
}
vars := mux.Vars(r)
policyName := vars["policyName"]
entityName := vars["userOrGroup"]
isGroup := vars["isGroup"] == "true"
// Deny if WORM is enabled
if globalWORMEnabled {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrMethodNotAllowed), r.URL)
return
}
if !isGroup {
ok, err := globalIAMSys.IsTempUser(entityName)
if err != nil && err != errNoSuchUser {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
if ok {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errIAMActionNotAllowed), r.URL)
return
}
}
if err := globalIAMSys.PolicyDBSet(entityName, policyName, isGroup); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
// Notify all other MinIO peers to reload policy
for _, nerr := range globalNotificationSys.LoadPolicyMapping(entityName, isGroup) {
if nerr.Err != nil {
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
logger.LogIf(ctx, nerr.Err)
}
}
}