/
stream.go
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/
stream.go
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// Copyright 2023 The Okteto Authors
// 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 okteto
import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/url"
oktetoLog "github.com/okteto/okteto/pkg/log"
"github.com/okteto/okteto/pkg/stream"
)
var (
// gitDeployUrlTemplate (baseURL, namespace, dev environment name, action name)
gitDeployUrlTemplate = "%s/sse/logs/%s/gitdeploy/%s?action=%s"
// destroyAllUrlTempleate (baseURL, namespace)
destroyAllUrlTempleate = "%s/sse/logs/%s/destroy-all"
)
type streamClient struct {
client *http.Client
}
func newStreamClient(httpClient *http.Client) *streamClient {
return &streamClient{
client: httpClient,
}
}
type pipelineLogFormat oktetoLog.JSONLogFormat
type destroyAllLogFormat struct {
Line string `json:"line"`
}
// PipelineLogs retrieves logs from the pipeline provided and prints them, returns error
func (c *streamClient) PipelineLogs(ctx context.Context, name, namespace, actionName string) error {
streamURL := fmt.Sprintf(gitDeployUrlTemplate, GetContext().Name, namespace, name, actionName)
url, err := url.Parse(streamURL)
if err != nil {
return err
}
return stream.GetLogsFromURL(ctx, c.client, url.String(), handlerPipelineLogLine)
}
// handlerPipelineLog prints a line with the Message unmarshalled from line
// returns true when stream has to stop
func handlerPipelineLogLine(line string) bool {
pipelineLogList := []pipelineLogFormat{}
if err := json.Unmarshal([]byte(line), &pipelineLogList); err != nil {
// if not slice, try to unmarshall to log format
pLog := pipelineLogFormat{}
if err := json.Unmarshal([]byte(line), &pLog); err != nil {
oktetoLog.Infof("error unmarshalling pipelineLog: %v", err)
}
// stop when the event log is in stage done and message is EOF
if pLog.Stage == "done" && pLog.Message == "EOF" {
return true
}
oktetoLog.Println(pLog.Message)
return false
}
for _, pLog := range pipelineLogList {
// stop when the event log is in stage done and message is EOF
if pLog.Stage == "done" && pLog.Message == "EOF" {
return true
}
oktetoLog.Println(pLog.Message)
}
return false
}
// DestroyAllLogs retrieves logs from the pipeline provided and prints them, returns error
func (c *streamClient) DestroyAllLogs(ctx context.Context, namespace string) error {
// GetContext().Name represents baseURL for SSE subscription endpoints
streamURL := fmt.Sprintf(destroyAllUrlTempleate, GetContext().Name, namespace)
url, err := url.Parse(streamURL)
if err != nil {
return err
}
return stream.GetLogsFromURL(ctx, c.client, url.String(), handlerDestroyAllLog)
}
// handlerDestroyAllLog prints a line with the Message unmarshalled from line
// returns true when line message is `Done` to break the scanner
func handlerDestroyAllLog(line string) bool {
destroyAllLogList := []destroyAllLogFormat{}
if err := json.Unmarshal([]byte(line), &destroyAllLogList); err != nil {
dLog := destroyAllLogFormat{}
if err := json.Unmarshal([]byte(line), &dLog); err != nil {
oktetoLog.Infof("error unmarshalling destroyAllLogFormat: %v", err)
return false
}
// skip when the event log line is "Done"
if dLog.Line == "Done" {
return true
}
oktetoLog.Println(dLog.Line)
return false
}
for _, dLog := range destroyAllLogList {
// skip when the event log line is "Done"
if dLog.Line == "Done" {
return true
}
oktetoLog.Println(dLog.Line)
}
return false
}