Sanket SudakeandGitHub
4e91579ef2
We are removing Fission deprecated Nats connector and planning to adopt Keda going forward to have better delegated functionality and more rich support. Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
114 lines
2.9 KiB
Go
114 lines
2.9 KiB
Go
/*
|
|
Copyright 2016 The Fission 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 mqtrigger
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
"go.uber.org/zap"
|
|
|
|
fv1 "github.com/fission/fission/pkg/apis/core/v1"
|
|
"github.com/fission/fission/pkg/crd"
|
|
"github.com/fission/fission/pkg/mqtrigger"
|
|
"github.com/fission/fission/pkg/mqtrigger/factory"
|
|
"github.com/fission/fission/pkg/mqtrigger/messageQueue"
|
|
_ "github.com/fission/fission/pkg/mqtrigger/messageQueue/azurequeuestorage"
|
|
_ "github.com/fission/fission/pkg/mqtrigger/messageQueue/kafka"
|
|
)
|
|
|
|
func Start(ctx context.Context, logger *zap.Logger, routerUrl string) error {
|
|
fissionClient, _, _, _, err := crd.MakeFissionClient()
|
|
|
|
if err != nil {
|
|
return errors.Wrap(err, "failed to get fission or kubernetes client")
|
|
}
|
|
|
|
err = fissionClient.WaitForCRDs()
|
|
if err != nil {
|
|
return errors.Wrap(err, "error waiting for CRDs")
|
|
}
|
|
|
|
mqType := (fv1.MessageQueueType)(os.Getenv("MESSAGE_QUEUE_TYPE"))
|
|
mqUrl := os.Getenv("MESSAGE_QUEUE_URL")
|
|
|
|
secretsPath := strings.TrimSpace(os.Getenv("MESSAGE_QUEUE_SECRETS"))
|
|
|
|
var secrets map[string][]byte
|
|
if len(secretsPath) > 0 {
|
|
// For authentication with message queue
|
|
secrets, err = readSecrets(logger, secretsPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
mq, err := factory.Create(
|
|
logger,
|
|
mqType,
|
|
messageQueue.Config{
|
|
MQType: (string)(mqType),
|
|
Url: mqUrl,
|
|
Secrets: secrets,
|
|
},
|
|
routerUrl,
|
|
)
|
|
if err != nil {
|
|
logger.Fatal("failed to connect to remote message queue server", zap.Error(err))
|
|
}
|
|
mqtMgr := mqtrigger.MakeMessageQueueTriggerManager(logger, fissionClient, mqType, mq)
|
|
mqtMgr.Run(ctx)
|
|
return nil
|
|
}
|
|
|
|
func readSecrets(logger *zap.Logger, secretsPath string) (map[string][]byte, error) {
|
|
// return if no secrets exist
|
|
if _, err := os.Stat(secretsPath); os.IsNotExist(err) {
|
|
return nil, err
|
|
}
|
|
|
|
secretFiles, err := os.ReadDir(secretsPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
secrets := make(map[string][]byte)
|
|
for _, secretFile := range secretFiles {
|
|
|
|
fileName := secretFile.Name()
|
|
// /etc/secrets contain some hidden directories (like .data)
|
|
// ignore them
|
|
if !secretFile.IsDir() && !strings.HasPrefix(fileName, ".") {
|
|
logger.Info(fmt.Sprintf("Reading secret from %s", fileName))
|
|
|
|
filePath := path.Join(secretsPath, fileName)
|
|
secret, fileReadErr := os.ReadFile(filePath)
|
|
if fileReadErr != nil {
|
|
return nil, fileReadErr
|
|
}
|
|
|
|
secrets[fileName] = secret
|
|
}
|
|
}
|
|
|
|
return secrets, nil
|
|
}
|