585 lines
16 KiB
Go
585 lines
16 KiB
Go
package cloudstack
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import (
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"crypto/sha1"
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"encoding/base64"
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"encoding/hex"
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"fmt"
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"log"
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"strings"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/xanzy/go-cloudstack/cloudstack"
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)
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func resourceCloudStackInstance() *schema.Resource {
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return &schema.Resource{
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Create: resourceCloudStackInstanceCreate,
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Read: resourceCloudStackInstanceRead,
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Update: resourceCloudStackInstanceUpdate,
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Delete: resourceCloudStackInstanceDelete,
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Schema: map[string]*schema.Schema{
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"name": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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},
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"display_name": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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},
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"service_offering": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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"network_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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ForceNew: true,
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},
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"ip_address": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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ForceNew: true,
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},
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"template": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"root_disk_size": &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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ForceNew: true,
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},
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"group": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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},
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"affinity_group_ids": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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ConflictsWith: []string{"affinity_group_names"},
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},
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"affinity_group_names": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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ConflictsWith: []string{"affinity_group_ids"},
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},
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"security_group_ids": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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ForceNew: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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ConflictsWith: []string{"security_group_names"},
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},
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"security_group_names": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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ForceNew: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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Set: schema.HashString,
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ConflictsWith: []string{"security_group_ids"},
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},
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"project": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Computed: true,
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ForceNew: true,
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},
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"zone": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"keypair": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"user_data": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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StateFunc: func(v interface{}) string {
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switch v.(type) {
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case string:
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hash := sha1.Sum([]byte(v.(string)))
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return hex.EncodeToString(hash[:])
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default:
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return ""
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}
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},
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},
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"expunge": &schema.Schema{
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Type: schema.TypeBool,
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Optional: true,
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Default: false,
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},
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},
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}
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}
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func resourceCloudStackInstanceCreate(d *schema.ResourceData, meta interface{}) error {
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cs := meta.(*cloudstack.CloudStackClient)
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// Retrieve the service_offering ID
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serviceofferingid, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
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if e != nil {
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return e.Error()
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}
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// Retrieve the zone ID
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zoneid, e := retrieveID(cs, "zone", d.Get("zone").(string))
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if e != nil {
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return e.Error()
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}
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// Retrieve the zone object
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zone, _, err := cs.Zone.GetZoneByID(zoneid)
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if err != nil {
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return err
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}
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// Retrieve the template ID
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templateid, e := retrieveTemplateID(cs, zone.Id, d.Get("template").(string))
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if e != nil {
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return e.Error()
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}
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// Create a new parameter struct
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p := cs.VirtualMachine.NewDeployVirtualMachineParams(serviceofferingid, templateid, zone.Id)
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// Set the name
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name, hasName := d.GetOk("name")
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if hasName {
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p.SetName(name.(string))
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}
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// Set the display name
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if displayname, ok := d.GetOk("display_name"); ok {
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p.SetDisplayname(displayname.(string))
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} else if hasName {
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p.SetDisplayname(name.(string))
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}
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// If there is a root_disk_size supplied, add it to the parameter struct
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if rootdisksize, ok := d.GetOk("root_disk_size"); ok {
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p.SetRootdisksize(int64(rootdisksize.(int)))
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}
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if zone.Networktype == "Advanced" {
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// Set the default network ID
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p.SetNetworkids([]string{d.Get("network_id").(string)})
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}
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// If there is a ipaddres supplied, add it to the parameter struct
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if ipaddress, ok := d.GetOk("ip_address"); ok {
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p.SetIpaddress(ipaddress.(string))
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}
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// If there is a group supplied, add it to the parameter struct
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if group, ok := d.GetOk("group"); ok {
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p.SetGroup(group.(string))
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}
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// If there are affinity group IDs supplied, add them to the parameter struct
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if agIDs := d.Get("affinity_group_ids").(*schema.Set); agIDs.Len() > 0 {
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var groups []string
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for _, group := range agIDs.List() {
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groups = append(groups, group.(string))
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}
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p.SetAffinitygroupids(groups)
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}
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// If there are affinity group names supplied, add them to the parameter struct
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if agNames := d.Get("affinity_group_names").(*schema.Set); agNames.Len() > 0 {
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var groups []string
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for _, group := range agNames.List() {
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groups = append(groups, group.(string))
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}
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p.SetAffinitygroupnames(groups)
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}
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// If there are security group IDs supplied, add them to the parameter struct
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if sgIDs := d.Get("security_group_ids").(*schema.Set); sgIDs.Len() > 0 {
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var groups []string
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for _, group := range sgIDs.List() {
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groups = append(groups, group.(string))
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}
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p.SetSecuritygroupids(groups)
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}
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// If there are security group names supplied, add them to the parameter struct
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if sgNames := d.Get("security_group_names").(*schema.Set); sgNames.Len() > 0 {
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var groups []string
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for _, group := range sgNames.List() {
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groups = append(groups, group.(string))
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}
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p.SetSecuritygroupnames(groups)
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}
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// If there is a project supplied, we retrieve and set the project id
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if err := setProjectid(p, cs, d); err != nil {
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return err
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}
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// If a keypair is supplied, add it to the parameter struct
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if keypair, ok := d.GetOk("keypair"); ok {
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p.SetKeypair(keypair.(string))
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}
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if userData, ok := d.GetOk("user_data"); ok {
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ud, err := getUserData(userData.(string), cs.HTTPGETOnly)
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if err != nil {
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return err
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}
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p.SetUserdata(ud)
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}
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// Create the new instance
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r, err := cs.VirtualMachine.DeployVirtualMachine(p)
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if err != nil {
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return fmt.Errorf("Error creating the new instance %s: %s", name, err)
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}
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d.SetId(r.Id)
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// Set the connection info for any configured provisioners
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d.SetConnInfo(map[string]string{
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"host": r.Nic[0].Ipaddress,
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"password": r.Password,
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})
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return resourceCloudStackInstanceRead(d, meta)
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}
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func resourceCloudStackInstanceRead(d *schema.ResourceData, meta interface{}) error {
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cs := meta.(*cloudstack.CloudStackClient)
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// Get the virtual machine details
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vm, count, err := cs.VirtualMachine.GetVirtualMachineByID(
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d.Id(),
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cloudstack.WithProject(d.Get("project").(string)),
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)
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if err != nil {
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if count == 0 {
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log.Printf("[DEBUG] Instance %s does no longer exist", d.Get("name").(string))
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d.SetId("")
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return nil
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}
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return err
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}
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// Update the config
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d.Set("name", vm.Name)
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d.Set("display_name", vm.Displayname)
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d.Set("network_id", vm.Nic[0].Networkid)
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d.Set("ip_address", vm.Nic[0].Ipaddress)
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d.Set("group", vm.Group)
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if _, ok := d.GetOk("affinity_group_ids"); ok {
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groups := &schema.Set{F: schema.HashString}
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for _, group := range vm.Affinitygroup {
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groups.Add(group.Id)
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}
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d.Set("affinity_group_ids", groups)
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}
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if _, ok := d.GetOk("affinity_group_names"); ok {
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groups := &schema.Set{F: schema.HashString}
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for _, group := range vm.Affinitygroup {
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groups.Add(group.Name)
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}
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d.Set("affinity_group_names", groups)
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}
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if _, ok := d.GetOk("security_group_ids"); ok {
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groups := &schema.Set{F: schema.HashString}
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for _, group := range vm.Securitygroup {
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groups.Add(group.Id)
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}
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d.Set("security_group_ids", groups)
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}
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if _, ok := d.GetOk("security_group_names"); ok {
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groups := &schema.Set{F: schema.HashString}
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for _, group := range vm.Securitygroup {
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groups.Add(group.Name)
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}
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d.Set("security_group_names", groups)
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}
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setValueOrID(d, "service_offering", vm.Serviceofferingname, vm.Serviceofferingid)
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setValueOrID(d, "template", vm.Templatename, vm.Templateid)
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setValueOrID(d, "project", vm.Project, vm.Projectid)
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setValueOrID(d, "zone", vm.Zonename, vm.Zoneid)
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return nil
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}
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func resourceCloudStackInstanceUpdate(d *schema.ResourceData, meta interface{}) error {
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cs := meta.(*cloudstack.CloudStackClient)
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d.Partial(true)
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name := d.Get("name").(string)
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// Check if the display name is changed and if so, update the virtual machine
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if d.HasChange("display_name") {
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log.Printf("[DEBUG] Display name changed for %s, starting update", name)
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// Create a new parameter struct
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p := cs.VirtualMachine.NewUpdateVirtualMachineParams(d.Id())
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// Set the new display name
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p.SetDisplayname(d.Get("display_name").(string))
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// Update the display name
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_, err := cs.VirtualMachine.UpdateVirtualMachine(p)
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if err != nil {
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return fmt.Errorf(
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"Error updating the display name for instance %s: %s", name, err)
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}
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d.SetPartial("display_name")
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}
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// Check if the group is changed and if so, update the virtual machine
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if d.HasChange("group") {
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log.Printf("[DEBUG] Group changed for %s, starting update", name)
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// Create a new parameter struct
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p := cs.VirtualMachine.NewUpdateVirtualMachineParams(d.Id())
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// Set the new group
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p.SetGroup(d.Get("group").(string))
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// Update the display name
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_, err := cs.VirtualMachine.UpdateVirtualMachine(p)
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if err != nil {
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return fmt.Errorf(
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"Error updating the group for instance %s: %s", name, err)
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}
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d.SetPartial("group")
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}
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// Attributes that require reboot to update
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if d.HasChange("name") || d.HasChange("service_offering") || d.HasChange("affinity_group_ids") ||
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d.HasChange("affinity_group_names") || d.HasChange("keypair") || d.HasChange("user_data") {
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// Before we can actually make these changes, the virtual machine must be stopped
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_, err := cs.VirtualMachine.StopVirtualMachine(
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cs.VirtualMachine.NewStopVirtualMachineParams(d.Id()))
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if err != nil {
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return fmt.Errorf(
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"Error stopping instance %s before making changes: %s", name, err)
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}
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// Check if the name has changed and if so, update the name
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if d.HasChange("name") {
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log.Printf("[DEBUG] Name for %s changed to %s, starting update", d.Id(), name)
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// Create a new parameter struct
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p := cs.VirtualMachine.NewUpdateVirtualMachineParams(d.Id())
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// Set the new name
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p.SetName(name)
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// Update the display name
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_, err := cs.VirtualMachine.UpdateVirtualMachine(p)
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if err != nil {
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return fmt.Errorf(
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"Error updating the name for instance %s: %s", name, err)
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}
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d.SetPartial("name")
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}
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// Check if the service offering is changed and if so, update the offering
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if d.HasChange("service_offering") {
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log.Printf("[DEBUG] Service offering changed for %s, starting update", name)
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// Retrieve the service_offering ID
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serviceofferingid, e := retrieveID(cs, "service_offering", d.Get("service_offering").(string))
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if e != nil {
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return e.Error()
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}
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// Create a new parameter struct
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p := cs.VirtualMachine.NewChangeServiceForVirtualMachineParams(d.Id(), serviceofferingid)
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// Change the service offering
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_, err = cs.VirtualMachine.ChangeServiceForVirtualMachine(p)
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if err != nil {
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return fmt.Errorf(
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"Error changing the service offering for instance %s: %s", name, err)
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}
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d.SetPartial("service_offering")
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}
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// Check if the affinity group IDs have changed and if so, update the IDs
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if d.HasChange("affinity_group_ids") {
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p := cs.AffinityGroup.NewUpdateVMAffinityGroupParams(d.Id())
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groups := []string{}
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if agIDs := d.Get("affinity_group_ids").(*schema.Set); agIDs.Len() > 0 {
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for _, group := range agIDs.List() {
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groups = append(groups, group.(string))
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}
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}
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// Set the new groups
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p.SetAffinitygroupids(groups)
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// Update the affinity groups
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_, err = cs.AffinityGroup.UpdateVMAffinityGroup(p)
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if err != nil {
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return fmt.Errorf(
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"Error updating the affinity groups for instance %s: %s", name, err)
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}
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d.SetPartial("affinity_group_ids")
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}
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// Check if the affinity group names have changed and if so, update the names
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if d.HasChange("affinity_group_names") {
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p := cs.AffinityGroup.NewUpdateVMAffinityGroupParams(d.Id())
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groups := []string{}
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if agNames := d.Get("affinity_group_names").(*schema.Set); agNames.Len() > 0 {
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for _, group := range agNames.List() {
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groups = append(groups, group.(string))
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}
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}
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// Set the new groups
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p.SetAffinitygroupnames(groups)
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// Update the affinity groups
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_, err = cs.AffinityGroup.UpdateVMAffinityGroup(p)
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if err != nil {
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return fmt.Errorf(
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"Error updating the affinity groups for instance %s: %s", name, err)
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}
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d.SetPartial("affinity_group_names")
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}
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// Check if the keypair has changed and if so, update the keypair
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if d.HasChange("keypair") {
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log.Printf("[DEBUG] SSH keypair changed for %s, starting update", name)
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p := cs.SSH.NewResetSSHKeyForVirtualMachineParams(d.Id(), d.Get("keypair").(string))
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// Change the ssh keypair
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_, err = cs.SSH.ResetSSHKeyForVirtualMachine(p)
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if err != nil {
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return fmt.Errorf(
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"Error changing the SSH keypair for instance %s: %s", name, err)
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}
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d.SetPartial("keypair")
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}
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// Check if the user data has changed and if so, update the user data
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if d.HasChange("user_data") {
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log.Printf("[DEBUG] user_data changed for %s, starting update", name)
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ud, err := getUserData(d.Get("user_data").(string), cs.HTTPGETOnly)
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if err != nil {
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return err
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}
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p := cs.VirtualMachine.NewUpdateVirtualMachineParams(d.Id())
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p.SetUserdata(ud)
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_, err = cs.VirtualMachine.UpdateVirtualMachine(p)
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if err != nil {
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return fmt.Errorf(
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"Error updating user_data for instance %s: %s", name, err)
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}
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d.SetPartial("user_data")
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}
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// Start the virtual machine again
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_, err = cs.VirtualMachine.StartVirtualMachine(
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cs.VirtualMachine.NewStartVirtualMachineParams(d.Id()))
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if err != nil {
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return fmt.Errorf(
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"Error starting instance %s after making changes", name)
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}
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}
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d.Partial(false)
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return resourceCloudStackInstanceRead(d, meta)
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}
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func resourceCloudStackInstanceDelete(d *schema.ResourceData, meta interface{}) error {
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cs := meta.(*cloudstack.CloudStackClient)
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// Create a new parameter struct
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p := cs.VirtualMachine.NewDestroyVirtualMachineParams(d.Id())
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if d.Get("expunge").(bool) {
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p.SetExpunge(true)
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}
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log.Printf("[INFO] Destroying instance: %s", d.Get("name").(string))
|
|
if _, err := cs.VirtualMachine.DestroyVirtualMachine(p); err != nil {
|
|
// This is a very poor way to be told the ID does no longer exist :(
|
|
if strings.Contains(err.Error(), fmt.Sprintf(
|
|
"Invalid parameter id value=%s due to incorrect long value format, "+
|
|
"or entity does not exist", d.Id())) {
|
|
return nil
|
|
}
|
|
|
|
return fmt.Errorf("Error destroying instance: %s", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// getUserData returns the user data as a base64 encoded string
|
|
func getUserData(userData string, httpGetOnly bool) (string, error) {
|
|
ud := base64.StdEncoding.EncodeToString([]byte(userData))
|
|
|
|
// deployVirtualMachine uses POST by default, so max userdata is 32K
|
|
maxUD := 32768
|
|
|
|
if httpGetOnly {
|
|
// deployVirtualMachine using GET instead, so max userdata is 2K
|
|
maxUD = 2048
|
|
}
|
|
|
|
if len(ud) > maxUD {
|
|
return "", fmt.Errorf(
|
|
"The supplied user_data contains %d bytes after encoding, "+
|
|
"this exeeds the limit of %d bytes", len(ud), maxUD)
|
|
}
|
|
|
|
return ud, nil
|
|
}
|