mirror of https://github.com/dapr/cli.git
100 lines
3.3 KiB
Go
100 lines
3.3 KiB
Go
// ------------------------------------------------------------
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// Copyright (c) Microsoft Corporation and Dapr Contributors.
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// Licensed under the MIT License.
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// ------------------------------------------------------------
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package cmd
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"runtime"
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"github.com/spf13/cobra"
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"github.com/dapr/cli/pkg/print"
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"github.com/dapr/cli/pkg/standalone"
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)
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const defaultHTTPVerb = http.MethodPost
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var (
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invokeAppID string
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invokeAppMethod string
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invokeData string
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invokeVerb string
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invokeDataFile string
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invokeSocket string
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)
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var InvokeCmd = &cobra.Command{
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Use: "invoke",
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Short: "Invoke a method on a given Dapr application. Supported platforms: Self-hosted",
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Example: `
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# Invoke a sample method on target app with POST Verb
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dapr invoke --app-id target --method sample --data '{"key":"value"}
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# Invoke a sample method on target app with GET Verb
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dapr invoke --app-id target --method sample --verb GET
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# Invoke a sample method on target app with GET Verb using Unix domain socket
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dapr invoke --unix-domain-socket --app-id target --method sample --verb GET
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`,
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Run: func(cmd *cobra.Command, args []string) {
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bytePayload := []byte{}
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var err error
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if invokeDataFile != "" && invokeData != "" {
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print.FailureStatusEvent(os.Stderr, "Only one of --data and --data-file allowed in the same invoke command")
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os.Exit(1)
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}
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if invokeDataFile != "" {
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bytePayload, err = ioutil.ReadFile(invokeDataFile)
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if err != nil {
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print.FailureStatusEvent(os.Stderr, "Error reading payload from '%s'. Error: %s", invokeDataFile, err)
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os.Exit(1)
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}
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} else if invokeData != "" {
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bytePayload = []byte(invokeData)
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}
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client := standalone.NewClient()
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// TODO(@daixiang0): add Windows support
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if invokeSocket != "" {
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if runtime.GOOS == "windows" {
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print.FailureStatusEvent(os.Stderr, "The unix-domain-socket option is not supported on Windows")
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os.Exit(1)
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} else {
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print.WarningStatusEvent(os.Stdout, "Unix domain sockets are currently a preview feature")
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}
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}
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response, err := client.Invoke(invokeAppID, invokeAppMethod, bytePayload, invokeVerb, invokeSocket)
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if err != nil {
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err = fmt.Errorf("error invoking app %s: %s", invokeAppID, err)
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print.FailureStatusEvent(os.Stderr, err.Error())
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return
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}
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if response != "" {
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fmt.Println(response)
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}
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print.SuccessStatusEvent(os.Stdout, "App invoked successfully")
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},
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}
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func init() {
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InvokeCmd.Flags().StringVarP(&invokeAppID, "app-id", "a", "", "The application id to invoke")
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InvokeCmd.Flags().StringVarP(&invokeAppMethod, "method", "m", "", "The method to invoke")
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InvokeCmd.Flags().StringVarP(&invokeData, "data", "d", "", "The JSON serialized data string (optional)")
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InvokeCmd.Flags().StringVarP(&invokeVerb, "verb", "v", defaultHTTPVerb, "The HTTP verb to use")
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InvokeCmd.Flags().StringVarP(&invokeDataFile, "data-file", "f", "", "A file containing the JSON serialized data (optional)")
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InvokeCmd.Flags().BoolP("help", "h", false, "Print this help message")
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InvokeCmd.Flags().StringVarP(&invokeSocket, "unix-domain-socket", "u", "", "Path to a unix domain socket dir. If specified, Dapr API servers will use Unix Domain Sockets")
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InvokeCmd.MarkFlagRequired("app-id")
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InvokeCmd.MarkFlagRequired("method")
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RootCmd.AddCommand(InvokeCmd)
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}
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