/
publishMessage.go
94 lines (80 loc) · 2.95 KB
/
publishMessage.go
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// Copyright © 2018 Camunda Services GmbH (info@camunda.com)
//
// 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 commands
import (
"context"
"time"
"errors"
"io/ioutil"
"github.com/camunda-cloud/zeebe/clients/go/internal/utils"
"github.com/spf13/cobra"
)
var (
publishMessageCorrelationKey string
publishMessageID string
publishMessageTTL time.Duration
publishMessageVariables string
)
var publishMessageCmd = &cobra.Command{
Use: "message <messageName>",
Short: "Publish a message by message name and correlation key",
Args: cobra.ExactArgs(1),
PreRunE: initClient,
RunE: func(cmd *cobra.Command, args []string) error {
parsedMessageVariables, err := parsePublishMessageVariables(publishMessageVariables)
if err != nil {
return err
}
request, err := client.NewPublishMessageCommand().
MessageName(args[0]).
CorrelationKey(publishMessageCorrelationKey).
MessageId(publishMessageID).
TimeToLive(publishMessageTTL).
VariablesFromString(parsedMessageVariables)
if err != nil {
return err
}
ctx, cancel := context.WithTimeout(context.Background(), defaultTimeout)
defer cancel()
response, err := request.Send(ctx)
if err != nil {
return err
}
return printJSON(response)
},
}
func init() {
publishCmd.AddCommand(publishMessageCmd)
publishMessageCmd.Flags().StringVar(&publishMessageCorrelationKey, "correlationKey", "", "Specify message correlation key")
publishMessageCmd.Flags().StringVar(&publishMessageID, "messageId", "", "Specify the unique id of the message")
publishMessageCmd.Flags().DurationVar(&publishMessageTTL, "ttl", 5*time.Second, "Specify the time to live of the message. Example values: 300ms, 50s or 1m")
publishMessageCmd.Flags().StringVar(&publishMessageVariables, "variables", "{}", "Specify message variables as JSON string or path to JSON file")
if err := publishMessageCmd.MarkFlagRequired("correlationKey"); err != nil {
panic(err)
}
}
func parsePublishMessageVariables(messageVariables string) (string, error) {
jsStringChecker := utils.NewJSONStringSerializer()
jsonErr := jsStringChecker.Validate("variables", messageVariables)
if jsonErr != nil {
// not a JSON string
fileVariables, err := ioutil.ReadFile(messageVariables)
if err != nil {
// not a file path or valid JSON string
return "", errors.New("invalid --variables passed. Invalid file or " + jsonErr.Error())
}
return string(fileVariables), nil
}
return messageVariables, nil
}