/
filecontent.go
99 lines (90 loc) · 3.26 KB
/
filecontent.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package storage
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apiserver/pkg/registry/generic/registry"
"k8s.io/apiserver/pkg/registry/rest"
platformversionedclient "tkestack.io/tke/api/client/clientset/versioned/typed/platform/v1"
"tkestack.io/tke/api/logagent"
"tkestack.io/tke/pkg/logagent/util"
"tkestack.io/tke/pkg/util/log"
)
// TokenREST implements the REST endpoint.
type FileContentREST struct {
//apiKeyStore *registry.Store
//rest.Storage
apiKeyStore *registry.Store
PlatformClient platformversionedclient.PlatformV1Interface
//*registry.Store
}
var _ = rest.Creater(&FileContentREST{})
func (r *FileContentREST) New() runtime.Object {
return &logagent.LogFileContent{}
}
type FileContentProxy struct {
Req logagent.LogFileContentSpec
IP string
Port string
}
func (p *FileContentProxy) GetReaderCloser() (io.ReadCloser, error) {
jsonStr, err := json.Marshal(p.Req)
if err != nil {
log.Errorf("unable to marshal request to json %v", err)
return nil, fmt.Errorf("unable to marshal request")
}
url := "http://" + p.IP + ":" + p.Port + "/v1/logfile/content"
log.Infof("url is %v", url)
httpReq, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonStr))
httpReq.Header.Set("Content-Type", "application/json")
if err != nil {
log.Errorf("unable to generate request %v", err)
return nil, fmt.Errorf("unable to generate request")
}
client := &http.Client{}
resp, err := client.Do(httpReq)
if err != nil {
log.Errorf("unable to connect to log-agent %v", err)
return nil, fmt.Errorf("unable to connect log-agent")
}
return resp.Body, nil
}
func (r *FileContentREST) Create(ctx context.Context, obj runtime.Object, createValidation rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
//TODO: get cluster id from parent resource
//userName, tenantID := authentication.GetUsernameAndTenantID(ctx)
fileContent := obj.(*logagent.LogFileContent)
//log.Infof("get userNmae %v tenantId %v and fileNode spec=%+v", userName, tenantID, fileContent.Spec)
hostIP, err := util.GetClusterPodIP(ctx, fileContent.Spec.ClusterId, fileContent.Spec.Namespace, fileContent.Spec.Pod, r.PlatformClient)
if err != nil {
return nil, errors.NewInternalError(fmt.Errorf("unable to get pod ip %v", err))
}
return &util.LocationStreamer{
Request: &FileContentProxy{Req: fileContent.Spec, IP: hostIP, Port: util.LogagentPort},
Transport: nil,
ContentType: "application/json",
IP: hostIP,
}, nil
}