Allow user to specify task_timeout (#27)

* Adding task_timeout option

Fixes #20

* Updated hcl2 config

* Updating docs for task_timeout

Author: AaronJackson

builder/proxmox/clone/config.hcl2spec.go

@@ -3,19 +3,16 @@ package proxmox
 import (
 	"crypto/tls"
 	"log"
-	"time"
 
 	"github.com/Telmate/proxmox-api-go/proxmox"
 )
 
-const defaultTaskTimeout = 30 * time.Second
-
 func newProxmoxClient(config Config) (*proxmox.Client, error) {
 	tlsConfig := &tls.Config{
 		InsecureSkipVerify: config.SkipCertValidation,
 	}
 
-	client, err := proxmox.NewClient(config.proxmoxURL.String(), nil, tlsConfig, int(defaultTaskTimeout.Seconds()))
+	client, err := proxmox.NewClient(config.proxmoxURL.String(), nil, tlsConfig, int(config.TaskTimeout.Seconds()))
 	if err != nil {
 		return nil, err
 	}

builder/proxmox/common/client.go

@@ -40,6 +40,7 @@ type Config struct {
 	Token              string `mapstructure:"token"`
 	Node               string `mapstructure:"node"`
 	Pool               string `mapstructure:"pool"`
+	TaskTimeout        time.Duration `mapstructure:"task_timeout"`
 
 	VMName string `mapstructure:"vm_name"`
 	VMID   int    `mapstructure:"vm_id"`
@@ -143,6 +144,9 @@ func (c *Config) Prepare(upper interface{}, raws ...interface{}) ([]string, []st
 	if c.Token == "" {
 		c.Token = os.Getenv("PROXMOX_TOKEN")
 	}
+	if c.TaskTimeout == 0 {
+		c.TaskTimeout = 60 * time.Second
+	}
 	if c.BootKeyInterval == 0 && os.Getenv(bootcommand.PackerKeyEnv) != "" {
 		var err error
 		c.BootKeyInterval, err = time.ParseDuration(os.Getenv(bootcommand.PackerKeyEnv))

builder/proxmox/common/config.go

@@ -16,6 +16,8 @@
 
 - `pool` (string) - Pool
 
+- `task_timeout` (duration string | ex: "1h5m2s") - Task Timeout
+
 - `vm_name` (string) - VM Name
 
 - `vm_id` (int) - VMID
@@ -38,7 +40,7 @@
 
 - `disks` ([]diskConfig) - Disks
 
-- `qemu_agent` (bool) - Agent
+- `qemu_agent` (boolean) - Agent
 
 - `scsi_controller` (string) - SCSI Controller
 

builder/proxmox/common/config.hcl2spec.go

@@ -68,6 +68,9 @@ in the image's Cloud-Init settings for provisioning.
 
 - `insecure_skip_tls_verify` (bool) - Skip validating the certificate.
 
+- `task_timeout` (duration string | ex: "10m") - The timeout for
+  Promox API operations, e.g. clones. Defaults to 1 minute.
+
 - `pool` (string) - Name of resource pool to create virtual machine in.
 
 - `vm_name` (string) - Name of the virtual machine during creation. If not