[Agent] [Executor] 优化Functional Executor

agent-go/executor/BasicFunction.go

@@ -0,0 +1,65 @@
+package executor
+
+import "os/exec"
+
+// BasicCommandExists 判定命令是否存在
+func BasicCommandExists(commandName string) bool {
+
+	cmd := exec.Command("command", "-v", commandName)
+	err := cmd.Run()
+	if err != nil {
+		log.DebugF("指令 %s 不存在", commandName)
+		return false
+	} else {
+		return true
+	}
+}
+
+// BasicCommandExistsBatch 判定批量命令是否存在
+func BasicCommandExistsBatch(commandNameList []string) (bool, string) {
+
+	for _, commandName := range commandNameList {
+		if !BasicCommandExists(commandName) {
+			return false, commandName
+		}
+	}
+
+	return true, ""
+}
+
+// BasicReplace 基础替换命令
+func BasicReplace(filename string, origin string, replace string) bool {
+
+	cmd := exec.Command("sed", "-i", "s/"+origin+"/"+replace+"/g", filename)
+	err := cmd.Run()
+	if err != nil {
+		log.DebugF("文件 %s [%s] => [%s] 错误！", filename, origin, replace)
+		return false
+	} else {
+		return true
+	}
+}
+
+func BasicFileExists(filename string) bool {
+
+	cmd := exec.Command("test", "-f", filename)
+	err := cmd.Run()
+	if err != nil {
+		log.DebugF("文件 %s 不存在！", filename)
+		return false
+	} else {
+		return true
+	}
+}
+
+func BasicFileExistAndNotNull(filename string) bool {
+
+	cmd := exec.Command("test", "-z", filename)
+	err := cmd.Run()
+	if err != nil {
+		log.DebugF("文件 %s 不存在！", filename)
+		return false
+	} else {
+		return true
+	}
+}