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settings.go
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/
settings.go
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/*
Copyright 2020 The Kubermatic Kubernetes Platform contributors.
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 admin
import (
"context"
"encoding/json"
"io/ioutil"
"net/http"
jsonpatch "github.com/evanphx/json-patch"
"github.com/go-kit/kit/endpoint"
v1 "github.com/kubermatic/kubermatic/api/pkg/api/v1"
kubermaticv1 "github.com/kubermatic/kubermatic/api/pkg/crd/kubermatic/v1"
"github.com/kubermatic/kubermatic/api/pkg/handler/v1/common"
"github.com/kubermatic/kubermatic/api/pkg/provider"
"github.com/kubermatic/kubermatic/api/pkg/util/errors"
)
// KubermaticSettingsEndpoint returns global settings
func KubermaticSettingsEndpoint(settingsProvider provider.SettingsProvider) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
globalSettings, err := settingsProvider.GetGlobalSettings()
if err != nil {
return nil, common.KubernetesErrorToHTTPError(err)
}
return v1.GlobalSettings(globalSettings.Spec), nil
}
}
// KubermaticCustomLinksEndpoint returns custom links
func KubermaticCustomLinksEndpoint(settingsProvider provider.SettingsProvider) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
globalSettings, err := settingsProvider.GetGlobalSettings()
if err != nil {
return nil, common.KubernetesErrorToHTTPError(err)
}
return v1.GlobalCustomLinks(globalSettings.Spec.CustomLinks), nil
}
}
// UpdateKubermaticSettingsEndpoint updates global settings
func UpdateKubermaticSettingsEndpoint(userInfoGetter provider.UserInfoGetter, settingsProvider provider.SettingsProvider) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(patchKubermaticSettingsReq)
userInfo, err := userInfoGetter(ctx, "")
if err != nil {
return nil, common.KubernetesErrorToHTTPError(err)
}
existingGlobalSettings, err := settingsProvider.GetGlobalSettings()
if err != nil {
return nil, common.KubernetesErrorToHTTPError(err)
}
existingGlobalSettingsSpecJSON, err := json.Marshal(existingGlobalSettings.Spec)
if err != nil {
return nil, errors.NewBadRequest("cannot decode existing settings: %v", err)
}
patchedGlobalSettingsSpecJSON, err := jsonpatch.MergePatch(existingGlobalSettingsSpecJSON, req.Patch)
if err != nil {
return nil, errors.NewBadRequest("cannot patch global settings: %v", err)
}
var patchedGlobalSettingsSpec *kubermaticv1.SettingSpec
err = json.Unmarshal(patchedGlobalSettingsSpecJSON, &patchedGlobalSettingsSpec)
if err != nil {
return nil, errors.NewBadRequest("cannot decode patched settings: %v", err)
}
existingGlobalSettings.Spec = *patchedGlobalSettingsSpec
globalSettings, err := settingsProvider.UpdateGlobalSettings(userInfo, existingGlobalSettings)
if err != nil {
return nil, common.KubernetesErrorToHTTPError(err)
}
return v1.GlobalSettings(globalSettings.Spec), nil
}
}
// patchKubermaticSettingsReq defines HTTP request for patchKubermaticSettings endpoint
// swagger:parameters patchKubermaticSettings
type patchKubermaticSettingsReq struct {
// in: body
Patch json.RawMessage
}
func DecodePatchKubermaticSettingsReq(c context.Context, r *http.Request) (interface{}, error) {
var req patchKubermaticSettingsReq
var err error
if req.Patch, err = ioutil.ReadAll(r.Body); err != nil {
return nil, err
}
return req, nil
}