145 lines
3.3 KiB
Go
145 lines
3.3 KiB
Go
package alicloud
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import (
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"fmt"
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"github.com/hashicorp/terraform/helper/schema"
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"strings"
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)
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func resourceAliyunSlbAttachment() *schema.Resource {
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return &schema.Resource{
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Create: resourceAliyunSlbAttachmentCreate,
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Read: resourceAliyunSlbAttachmentRead,
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Update: resourceAliyunSlbAttachmentUpdate,
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Delete: resourceAliyunSlbAttachmentDelete,
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Schema: map[string]*schema.Schema{
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"slb_id": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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"instances": &schema.Schema{
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Type: schema.TypeSet,
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Elem: &schema.Schema{Type: schema.TypeString},
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Required: true,
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Set: schema.HashString,
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},
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"backend_servers": &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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},
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}
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}
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func resourceAliyunSlbAttachmentCreate(d *schema.ResourceData, meta interface{}) error {
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slbId := d.Get("slb_id").(string)
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slbconn := meta.(*AliyunClient).slbconn
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loadBalancer, err := slbconn.DescribeLoadBalancerAttribute(slbId)
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if err != nil {
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if notFoundError(err) {
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d.SetId("")
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return fmt.Errorf("Special SLB Id not found: %#v", err)
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}
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return err
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}
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d.SetId(loadBalancer.LoadBalancerId)
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return resourceAliyunSlbAttachmentUpdate(d, meta)
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}
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func resourceAliyunSlbAttachmentRead(d *schema.ResourceData, meta interface{}) error {
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slbconn := meta.(*AliyunClient).slbconn
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loadBalancer, err := slbconn.DescribeLoadBalancerAttribute(d.Id())
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if err != nil {
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if notFoundError(err) {
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d.SetId("")
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return fmt.Errorf("Read special SLB Id not found: %#v", err)
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}
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return err
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}
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backendServerType := loadBalancer.BackendServers
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servers := backendServerType.BackendServer
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instanceIds := make([]string, 0, len(servers))
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if len(servers) > 0 {
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for _, e := range servers {
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instanceIds = append(instanceIds, e.ServerId)
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}
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if err != nil {
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return err
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}
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}
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d.Set("slb_id", d.Id())
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d.Set("instances", instanceIds)
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d.Set("backend_servers", strings.Join(instanceIds, ","))
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return nil
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}
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func resourceAliyunSlbAttachmentUpdate(d *schema.ResourceData, meta interface{}) error {
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slbconn := meta.(*AliyunClient).slbconn
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if d.HasChange("instances") {
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o, n := d.GetChange("instances")
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os := o.(*schema.Set)
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ns := n.(*schema.Set)
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remove := expandBackendServers(os.Difference(ns).List())
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add := expandBackendServers(ns.Difference(os).List())
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if len(add) > 0 {
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_, err := slbconn.AddBackendServers(d.Id(), add)
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if err != nil {
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return err
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}
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}
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if len(remove) > 0 {
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removeBackendServers := make([]string, 0, len(remove))
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for _, e := range remove {
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removeBackendServers = append(removeBackendServers, e.ServerId)
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}
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_, err := slbconn.RemoveBackendServers(d.Id(), removeBackendServers)
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if err != nil {
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return err
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}
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}
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}
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return resourceAliyunSlbAttachmentRead(d, meta)
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}
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func resourceAliyunSlbAttachmentDelete(d *schema.ResourceData, meta interface{}) error {
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slbconn := meta.(*AliyunClient).slbconn
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o := d.Get("instances")
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os := o.(*schema.Set)
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remove := expandBackendServers(os.List())
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if len(remove) > 0 {
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removeBackendServers := make([]string, 0, len(remove))
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for _, e := range remove {
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removeBackendServers = append(removeBackendServers, e.ServerId)
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}
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_, err := slbconn.RemoveBackendServers(d.Id(), removeBackendServers)
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if err != nil {
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return err
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}
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}
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return nil
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}
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