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Various improvements and developments to tasks execution logic

loop_loop_execution
Paulo Truta 2021-02-14 04:22:08 +00:00
parent 461a9e6558
commit 1e9be94851
1 changed files with 30 additions and 26 deletions
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56
internal/tasks/tasks.go
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@ -1,6 +1,7 @@
package tasks package tasks
import ( import (
"bytes"
"database/sql" "database/sql"
"encoding/json" "encoding/json"
"fmt" "fmt"
@ -43,7 +44,7 @@ type Task struct {
Updated string `json:"updated"` Updated string `json:"updated"`
} }
type taskSetupBootnodeArgs struct { type taskSetupTunnelArgs struct {
BootnodeAddress string `json:"bootnode_address"` BootnodeAddress string `json:"bootnode_address"`
BootnodeToken string `json:"bootnode_token"` BootnodeToken string `json:"bootnode_token"`
AssignedAddress string `json:"assigned_address"` AssignedAddress string `json:"assigned_address"`
@ -114,16 +115,17 @@ func ExecuteTask(task Task) Task {
if Version == "dev" { if Version == "dev" {
log.Printf("Dev environemnt. Not executing tasks.") log.Printf("Dev environemnt. Not executing tasks.")
} else { } else {
log.Println("Task: " + task.Task)
switch task.Task { switch task.Task {
case "setup_bootnode": case "setup_tunnel":
log.Println("Setting up bootnode connection...") log.Println("Setting up bootnode connection...")
var args taskSetupBootnodeArgs var args taskSetupTunnelArgs
err := json.Unmarshal([]byte(task.Args), &args) err := json.Unmarshal([]byte(task.Args), &args)
if err != nil { if err != nil {
log.Printf("Error reading arguments of setup_bootnode task: %s", err) log.Printf("Error reading arguments of setup_bootnode task: %s", err)
} else { } else {
taskResult = taskSetupBootnode(args) taskResult := taskSetupTunnel(args)
task.Result = sql.NullString{String: taskResult, Valid: true} task.Result = sql.NullString{String: taskResult, Valid: true}
} }
@ -154,33 +156,35 @@ func ExecuteTask(task Task) Task {
} }
// Internal functions, for each task func executeCommand(command string, args []string) string {
cmd := exec.Command(command, args...)
func taskSetupBootnode(args taskSetupBootnodeArgs) string { var out bytes.Buffer
var stderr bytes.Buffer
fmt.Println("Executing taskSetupBootnode") cmd.Stdout = &out
cmd.Stderr = &stderr
out, err := exec.Command("tinc-boot", "gen", "--name "+args.NodeName, "--token "+args.BootnodeToken, args.BootnodeAddress+":8655", "--prefix "+args.AssignedAddress).Output() err := cmd.Run()
if err != nil { if err != nil {
log.Printf("Error: %s", err) log.Println(fmt.Sprint(err) + ": " + stderr.String())
} }
output := string(out[:]) log.Println("Result: " + out.String())
fmt.Println(output)
return out.String()
}
out, err = exec.Command("systemctl", "start", "tinc@dnet").Output() func taskSetupTunnel(args taskSetupTunnelArgs) string {
if err != nil {
log.Printf("Error: %s", err)
}
output = string(out[:])
log.Printf(output)
out, err = exec.Command("systemctl", "enable", "tinc@dnet").Output() fmt.Println("Executing taskSetupTunnel")
if err != nil {
log.Printf("Error: %s", err)
}
output = string(out[:])
log.Printf(output)
cmdargs := []string{"gen", "--name", args.NodeName, "--token", args.BootnodeToken, args.BootnodeAddress+":8655", "--prefix", args.AssignedAddress}
executeCommand("tinc-boot", cmdargs)
cmdargs = []string{"start", "tinc@dnet"}
executeCommand("systemctl", cmdargs)
cmdargs = []string{"enable", "tinc@dnet"}
executeCommand("systemctl", cmdargs)
output := "OK" // Better check / logging of command execution result.
return output return output
} }