138 lines
3.3 KiB
Go
138 lines
3.3 KiB
Go
package cloudstack
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import (
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"fmt"
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"log"
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"regexp"
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"time"
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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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type retrieveError struct {
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name string
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value string
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err error
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}
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func (e *retrieveError) Error() error {
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return fmt.Errorf("Error retrieving UUID of %s %s: %s", e.name, e.value, e.err)
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}
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func setValueOrUUID(d *schema.ResourceData, key string, value string, uuid string) {
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if isUUID(d.Get(key).(string)) {
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d.Set(key, uuid)
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} else {
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d.Set(key, value)
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}
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}
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func retrieveUUID(cs *cloudstack.CloudStackClient, name, value string) (uuid string, e *retrieveError) {
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// If the supplied value isn't a UUID, try to retrieve the UUID ourselves
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if isUUID(value) {
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return value, nil
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}
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log.Printf("[DEBUG] Retrieving UUID of %s: %s", name, value)
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var err error
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switch name {
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case "disk_offering":
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uuid, err = cs.DiskOffering.GetDiskOfferingID(value)
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case "virtual_machine":
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uuid, err = cs.VirtualMachine.GetVirtualMachineID(value)
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case "service_offering":
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uuid, err = cs.ServiceOffering.GetServiceOfferingID(value)
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case "network_offering":
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uuid, err = cs.NetworkOffering.GetNetworkOfferingID(value)
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case "vpc_offering":
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uuid, err = cs.VPC.GetVPCOfferingID(value)
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case "vpc":
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uuid, err = cs.VPC.GetVPCID(value)
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case "network":
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uuid, err = cs.Network.GetNetworkID(value)
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case "zone":
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uuid, err = cs.Zone.GetZoneID(value)
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case "ipaddress":
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p := cs.Address.NewListPublicIpAddressesParams()
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p.SetIpaddress(value)
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l, e := cs.Address.ListPublicIpAddresses(p)
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if e != nil {
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err = e
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break
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}
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if l.Count == 1 {
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uuid = l.PublicIpAddresses[0].Id
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break
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}
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err = fmt.Errorf("Could not find UUID of IP address: %s", value)
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case "os_type":
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p := cs.GuestOS.NewListOsTypesParams()
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p.SetDescription(value)
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l, e := cs.GuestOS.ListOsTypes(p)
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if e != nil {
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err = e
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break
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}
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if l.Count == 1 {
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uuid = l.OsTypes[0].Id
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break
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}
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err = fmt.Errorf("Could not find UUID of OS Type: %s", value)
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case "project":
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uuid, err = cs.Project.GetProjectID(value)
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default:
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return uuid, &retrieveError{name: name, value: value,
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err: fmt.Errorf("Unknown request: %s", name)}
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}
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if err != nil {
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return uuid, &retrieveError{name: name, value: value, err: err}
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}
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return uuid, nil
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}
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func retrieveTemplateUUID(cs *cloudstack.CloudStackClient, zoneid, value string) (uuid string, e *retrieveError) {
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// If the supplied value isn't a UUID, try to retrieve the UUID ourselves
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if isUUID(value) {
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return value, nil
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}
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log.Printf("[DEBUG] Retrieving UUID of template: %s", value)
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uuid, err := cs.Template.GetTemplateID(value, "executable", zoneid)
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if err != nil {
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return uuid, &retrieveError{name: "template", value: value, err: err}
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}
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return uuid, nil
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}
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func isUUID(s string) bool {
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re := regexp.MustCompile(`^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$`)
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return re.MatchString(s)
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}
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// RetryFunc is the function retried n times
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type RetryFunc func() (interface{}, error)
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// Retry is a wrapper around a RetryFunc that will retry a function
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// n times or until it succeeds.
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func Retry(n int, f RetryFunc) (interface{}, error) {
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var lastErr error
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for i := 0; i < n; i++ {
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r, err := f()
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if err == nil {
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return r, nil
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}
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lastErr = err
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time.Sleep(30 * time.Second)
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}
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return nil, lastErr
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}
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