[ Agent ] [ Executor ] - 增加Pipeline部分的代码

agent-go/executor/FunctionalExecutor.go

@@ -2,9 +2,11 @@ package executor
 
 import (
 	"bufio"
+	"bytes"
 	"fmt"
 	"io"
 	"os/exec"
+	"strings"
 )
 
 // AllCommandExecutor 正确或者错误的信息全部收集，共同返回
@@ -100,6 +102,39 @@ func FormatAllCommandExecutor(singleLineCommand []string) ([]string, error) {
 	return resultSlice, resultError
 }
 
+func PipelineCommandExecutor() {
+
+	cmd1 := exec.Command("ps", "aux")
+	cmd2 := exec.Command("grep", "apipe")
+
+	var outputBuf1 bytes.Buffer
+	cmd1.Stdout = &outputBuf1
+	if err := cmd1.Start(); err != nil {
+		fmt.Printf("Error: The first command can not be startup %s\n", err)
+		return
+	}
+	if err := cmd1.Wait(); err != nil {
+		fmt.Printf("Error: Couldn't wait for the first command: %s\n", err)
+		return
+	}
+	cmd2.Stdin = &outputBuf1
+	var outputBuf2 bytes.Buffer
+	cmd2.Stdout = &outputBuf2
+	if err := cmd2.Start(); err != nil {
+		fmt.Printf("Error: The second command can not be startup: %s\n", err)
+		return
+	}
+	if err := cmd2.Wait(); err != nil {
+		fmt.Printf("Error: Couldn't wait for the second command: %s\n", err)
+		return
+	}
+
+	s := outputBuf2.String()
+	split := strings.Split(s, "\n")
+
+	BasicPrettyPrint(true, split)
+}
+
 // PureResultSingleExecute 执行单行命令，忽略输出，只对执行成功与否负责
 func PureResultSingleExecute(singleCommand []string) (resultOK bool) {