github.com/vtorhonen/terraform@v0.9.0-beta2.0.20170307220345-5d894e4ffda7/builtin/providers/cobbler/resource_cobbler_distro.go

package cobbler

import (
	"fmt"
	"log"

	"github.com/hashicorp/terraform/helper/schema"
	cobbler "github.com/jtopjian/cobblerclient"
)

func resourceDistro() *schema.Resource {
	return &schema.Resource{
		Create: resourceDistroCreate,
		Read:   resourceDistroRead,
		Update: resourceDistroUpdate,
		Delete: resourceDistroDelete,

		Schema: map[string]*schema.Schema{
			"arch": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				ForceNew: true,
				Computed: true,
			},

			"breed": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},

			"boot_files": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				ForceNew: true,
				Computed: true,
			},

			"comment": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
			},

			"fetchable_files": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
			},

			"kernel": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
			},

			"kernel_options": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
			},

			"kernel_options_post": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
			},

			"initrd": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
			},

			"mgmt_classes": &schema.Schema{
				Type:     schema.TypeList,
				Optional: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
				Computed: true,
			},

			"name": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
			},

			"os_version": &schema.Schema{
				Type:     schema.TypeString,
				Required: true,
			},

			"owners": &schema.Schema{
				Type:     schema.TypeList,
				Optional: true,
				Elem:     &schema.Schema{Type: schema.TypeString},
				Computed: true,
			},

			"redhat_management_key": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
			},

			"redhat_management_server": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
			},

			"template_files": &schema.Schema{
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
			},
		},
	}
}

func resourceDistroCreate(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)

	// Create a cobblerclient.Distro
	distro := buildDistro(d, config)

	// Attempte to create the Distro
	log.Printf("[DEBUG] Cobbler Distro: Create Options: %#v", distro)
	newDistro, err := config.cobblerClient.CreateDistro(distro)
	if err != nil {
		return fmt.Errorf("Cobbler Distro: Error Creating: %s", err)
	}

	d.SetId(newDistro.Name)

	return resourceDistroRead(d, meta)
}

func resourceDistroRead(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)

	// Retrieve the distro from cobbler
	distro, err := config.cobblerClient.GetDistro(d.Id())
	if err != nil {
		return fmt.Errorf("Cobbler Distro: Error Reading (%s): %s", d.Id(), err)
	}

	// Set all fields
	d.Set("arch", distro.Arch)
	d.Set("breed", distro.Breed)
	d.Set("boot_files", distro.BootFiles)
	d.Set("comment", distro.Comment)
	d.Set("fetchable_files", distro.FetchableFiles)
	d.Set("kernel", distro.Kernel)
	d.Set("kernel_options", distro.KernelOptions)
	d.Set("kernel_options_post", distro.KernelOptionsPost)
	d.Set("initrd", distro.Initrd)
	d.Set("mgmt_classes", distro.MGMTClasses)
	d.Set("os_version", distro.OSVersion)
	d.Set("owners", distro.Owners)
	d.Set("redhat_management_key", distro.RedHatManagementKey)
	d.Set("redhat_management_server", distro.RedHatManagementServer)
	d.Set("template_files", distro.TemplateFiles)

	return nil
}

func resourceDistroUpdate(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)

	// create a cobblerclient.Distro
	distro := buildDistro(d, config)

	// Attempt to updateh the distro with new information
	log.Printf("[DEBUG] Cobbler Distro: Updating Distro (%s) with options: %+v", d.Id(), distro)
	err := config.cobblerClient.UpdateDistro(&distro)
	if err != nil {
		return fmt.Errorf("Cobbler Distro: Error Updating (%s): %s", d.Id(), err)
	}

	return resourceDistroRead(d, meta)
}

func resourceDistroDelete(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)

	// Attempt to delete the distro
	if err := config.cobblerClient.DeleteDistro(d.Id()); err != nil {
		return fmt.Errorf("Cobbler Distro: Error Deleting (%s): %s", d.Id(), err)
	}

	return nil
}

// buildDistro builds a cobbler.Distro from the Terraform attributes
func buildDistro(d *schema.ResourceData, meta interface{}) cobbler.Distro {
	mgmtClasses := []string{}
	for _, i := range d.Get("mgmt_classes").([]interface{}) {
		mgmtClasses = append(mgmtClasses, i.(string))
	}

	owners := []string{}
	for _, i := range d.Get("owners").([]interface{}) {
		owners = append(owners, i.(string))
	}

	distro := cobbler.Distro{
		Arch:                   d.Get("arch").(string),
		Breed:                  d.Get("breed").(string),
		BootFiles:              d.Get("boot_files").(string),
		Comment:                d.Get("comment").(string),
		FetchableFiles:         d.Get("fetchable_files").(string),
		Kernel:                 d.Get("kernel").(string),
		KernelOptions:          d.Get("kernel_options").(string),
		KernelOptionsPost:      d.Get("kernel_options_post").(string),
		Initrd:                 d.Get("initrd").(string),
		MGMTClasses:            mgmtClasses,
		Name:                   d.Get("name").(string),
		OSVersion:              d.Get("os_version").(string),
		Owners:                 owners,
		RedHatManagementKey:    d.Get("redhat_management_key").(string),
		RedHatManagementServer: d.Get("redhat_management_server").(string),
		TemplateFiles:          d.Get("template_files").(string),
	}

	return distro
}