func ValidateTaskFile(filename string) {
task, err := parser.ParseFile(filename)
if err != nil {
fmt.Printf("\nErrors found in \"%s\"\n", filename)
fmt.Printf(" %s\n", err.Error())
return
}
// Compile the script text
_, err = parser.CompileCommandText(task.DefaultCommandBlock, task)
if err != nil {
if !parser.IsScriptRun(err) {
fmt.Printf("\nErrors found in \"%s\"\n", filename)
fmt.Printf(" %s\n", err.Error())
return
}
}
if verbose {
fmt.Printf("\nInformation for Task \"%s\"\n", task.GetMetadata("name"))
fmt.Printf(" Description: %s\n", task.GetMetadata("description"))
fmt.Printf(" Author: %s\n", task.GetMetadata("author"))
fmt.Printf(" Last Changed: %s\n", task.GetMetadata("date"))
fmt.Printf(" Version: %s\n", task.GetMetadata("version"))
fmt.Printf(" Concurrent Devices: %d\n", task.Concurrent)
fmt.Printf(" Template: %s\n", task.Template)
fmt.Printf(" Inventory File: %s\n\n", task.Inventory)
fmt.Print(" ----Custom Data----\n")
for k, v := range task.Metadata {
if k[0] != '_' {
continue
}
fmt.Printf(" %s: %s\n", k[1:], v)
}
fmt.Print("\n ----Task Device Block----\n")
for _, d := range task.Devices {
fmt.Printf(" Device(s): %s\n", d)
}
fmt.Print("\n ----Task Command Blocks----\n")
for _, c := range task.Commands {
fmt.Printf(" Command block Name: %s\n", c.Name)
fmt.Printf(" Command block Type: %s\n", c.Type)
fmt.Printf(" Commands:\n")
for _, cmd := range c.Commands {
fmt.Printf(" %s\n", cmd)
}
fmt.Println(" ---------------")
}
}
fmt.Printf("The task named \"%s\" has no syntax errors.\n", task.GetMetadata("name"))
}
func RunTaskFile(task *parser.TaskFile) {
// Set scripts package settings
scripts.SetVerbose(verbose)
scripts.SetDebug(debug)
scripts.SetDryRun(dryRun)
os.RemoveAll("tmp")
os.Mkdir("tmp", 0755)
fmt.Printf("Running task %s @ %s\n", task.GetMetadata("name"), time.Now().String())
// If no devices were given, print err and exit
if len(task.Devices) == 0 {
fmt.Println("No devices were given in the task file. Exiting.")
return
}
// Load and filter devices
if verbose {
fmt.Printf("Loading inventory from %s\n", task.Inventory)
}
deviceList, err := devices.ParseFile(task.Inventory)
if err != nil {
fmt.Printf("Error loading devices: %s\n", err.Error())
return
}
deviceList, err = devices.Filter(deviceList, task.Devices)
if err != nil {
fmt.Printf("Error: %s\n", err.Error())
return
}
// If no devices will be affected, exit
if len(deviceList.Devices) == 0 {
fmt.Println("No devices match running task. Exiting.")
return
}
// Compile the script text
text, err := parser.CompileCommandText(task.DefaultCommandBlock, task)
if err != nil {
if parser.IsScriptRun(err) {
// Run straight script file if prompted
if err := scripts.ProcessScriptCommand(text, task, deviceList); err != nil {
fmt.Printf("Error executing task: %s\n", err.Error())
}
return
}
fmt.Printf("Error compiling script: %s\n", err.Error())
return
}
// Get the template file
template := task.Template
if template == "" {
template = "expect"
}
templateFile := "templates/" + template + "-template.tmpl"
if _, err := os.Stat(templateFile); os.IsNotExist(err) {
fmt.Printf("Template not found: %s\n", template)
return
}
// Generate an executable script file
scriptFilename, err := scripts.GenerateBaseScriptFile(templateFile, text, task.GetAllMetadata())
if err != nil {
fmt.Printf("Error generating script: %s\n", err.Error())
return
}
if debug {
fmt.Printf("Script: %s\n", scriptFilename)
}
// Execute the script (the dry run setting will stop before actual execution)
err = scripts.Execute(deviceList, task, scriptFilename, nil)
if err != nil {
fmt.Printf("Error executing task: %s\n", err.Error())
return
}
if !debug {
// Remove base script file
os.Remove(scriptFilename)
}
if dryRun {
fmt.Print("\nDry Run\n\n")
for _, host := range deviceList.Devices {
fmt.Printf("Hostname: %s\n", host.Name)
fmt.Printf("Address: %s\n", host.GetSetting("address"))
proto := host.GetSetting("protocol")
if proto == "" {
proto = "ssh"
}
fmt.Printf("Protocol: %s\n", proto)
fmt.Println("---------")
}
}
fmt.Printf("\nHosts touched: %d\n", len(deviceList.Devices))
}